diff --git a/CMakeLists.txt b/CMakeLists.txt index 771c585..400347e 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -48,10 +48,8 @@ endif() # Find all headers and implementation files include(cmake/SourcesAndHeaders.cmake) -if(${PROJECT_NAME}_ENABLE_CRYPTO_LIBRARY) - add_subdirectory(src/crypto) -endif() add_subdirectory(external) +add_subdirectory(src/ethyl-keccak) add_library( ${PROJECT_NAME} @@ -99,8 +97,8 @@ target_link_libraries( secp256k1 nlohmann_json::nlohmann_json oxenc::oxenc + ethyl-keccak PRIVATE - cncrypto gmp gmpxx ) diff --git a/include/ethyl/ecdsa_util.h b/include/ethyl/ecdsa_util.h index cc35da7..69565df 100644 --- a/include/ethyl/ecdsa_util.h +++ b/include/ethyl/ecdsa_util.h @@ -41,7 +41,7 @@ /* Returns 1 on success, and 0 on failure. */ -[[maybe_unused]] static int fill_random(unsigned char* data, size_t size) { +[[maybe_unused]] static int ethyl_fill_random(unsigned char* data, size_t size) { #if defined(_WIN32) || defined(__CYGWIN__) NTSTATUS res = BCryptGenRandom(NULL, data, (ULONG)size, BCRYPT_USE_SYSTEM_PREFERRED_RNG); if (res != STATUS_SUCCESS || size > ULONG_MAX) { @@ -70,17 +70,8 @@ return 0; } -[[maybe_unused]] static void print_hex(unsigned char* data, size_t size) { - size_t i; - printf("0x"); - for (i = 0; i < size; i++) { - printf("%02x", data[i]); - } - printf("\n"); -} - /* Cleanses memory to prevent leaking sensitive info. Won't be optimized out. */ -[[maybe_unused]] static void secure_erase(void *ptr, size_t len) { +[[maybe_unused]] static void ethyl_secure_erase(void *ptr, size_t len) { #if defined(_MSC_VER) || defined(__CYGWIN__) /* SecureZeroMemory is guaranteed not to be optimized out by MSVC. */ SecureZeroMemory(ptr, len); diff --git a/include/ethyl/logs.hpp b/include/ethyl/logs.hpp index 1c73faa..986f8be 100644 --- a/include/ethyl/logs.hpp +++ b/include/ethyl/logs.hpp @@ -5,6 +5,8 @@ #include #include +namespace ethyl +{ struct LogEntry { std::string address; // Address from which this log originated std::vector topics; // Array of 0-4 32-byte data of indexed log arguments @@ -16,3 +18,4 @@ struct LogEntry { std::optional logIndex; // Index of the log in the block (optional) bool removed; // True if log was removed due to a chain reorganization }; +} // namespace ethyl diff --git a/include/ethyl/signer.hpp b/include/ethyl/signer.hpp index e0a3957..8546e29 100644 --- a/include/ethyl/signer.hpp +++ b/include/ethyl/signer.hpp @@ -1,45 +1,55 @@ #pragma once -#include -#include +#include "provider.hpp" +#include "utils.hpp" + #include #include #include #include -#include "provider.hpp" - typedef struct secp256k1_context_struct secp256k1_context; // forward decl namespace ethyl { class Signer { -private: - secp256k1_context* ctx; - - uint64_t maxPriorityFeePerGas = 0; - uint64_t maxFeePerGas = 0; - uint64_t gasPrice = 0; - public: Signer(); ~Signer(); // Returns std::pair, std::vector> generate_key_pair(); - std::array secretKeyToAddress(std::span seckey); - std::string secretKeyToAddressString(std::span seckey); + Bytes20 secretKeyToAddress(std::span seckey); + std::string secretKeyToAddressString(std::span seckey); - std::vector sign(const std::array& hash, std::span seckey); - std::vector sign(std::string_view hash, std::span seckey); + /// Sign a 32 byte hash with secp256k1 and return an ECDSA signature in + /// compact form of 65 bytes (64 bytes + recovery ID) + ECDSACompactSignature sign32(std::span bytes, std::span seckey); - // Client usage methods - std::vector signMessage(std::string_view message, std::span seckey); - std::string signTransaction(Transaction& tx, std::span seckey); + /// Sign the message by hashing `message` with keccak into 32 bytes and then + /// sign the 32 bytes using `seckey` with secp256k1. + ECDSACompactSignature signMessage(std::string_view message, std::span seckey); + + /// Sign a transaction with the given `seckey`. The transaction is updated + /// to store the signature as computed by this function. This function + /// returns the the RLP serialised TX. + std::vector signTransaction(Transaction& tx, std::span seckey); + + /// See `signTransaction`. This function returns the RLP serialised TX in + /// hex without a '0x' prefix. + std::string signTransactionAsHex(Transaction& tx, std::span seckey); void populateTransaction(Transaction& tx, std::string sender_address); + std::string sendTransaction(Transaction& tx, std::span seckey); Provider provider; + +private: + secp256k1_context* ctx; + uint64_t maxPriorityFeePerGas = 0; + uint64_t maxFeePerGas = 0; + uint64_t gasPrice = 0; + }; }; // namespace ethyl diff --git a/include/ethyl/transaction.hpp b/include/ethyl/transaction.hpp index 9e2afc1..b9cef91 100644 --- a/include/ethyl/transaction.hpp +++ b/include/ethyl/transaction.hpp @@ -1,37 +1,51 @@ #pragma once +#include "utils.hpp" #include #include #include -struct Signature { +namespace ethyl +{ +struct Signature +{ + bool init = false; uint64_t signatureYParity = 0; - std::vector signatureR = {}; - std::vector signatureS = {}; + Bytes32 signatureR; + Bytes32 signatureS; + void set(ECDSACompactSignature const &signature); +}; - bool isEmpty() const; +struct Transaction +{ + Transaction() = default; - void fromHex(std::string_view hex_str); -}; + Transaction(std::string to, uint64_t value, uint64_t gasLimit = 21000, + std::string data = ""); + + /// Serialise the transaction into a RLP serialised payload. + std::vector serialize() const; + + /// See `serialize`. The RLP payload is returned in hex without a '0x' + /// prefix. + std::string serializeAsHex() const; + + /// Calculate the transaction hash by RLP serializing the contents and + /// applying a keccak hash. + Bytes32 hash() const; + + /// Calculate the transaction hash by calling `hash` and returning the hex + /// representation of the 32 byte hash without a '0x' prefix. + std::string hashAsHex() const; -class Transaction { -public: uint64_t chainId = 0; uint64_t nonce = 0; uint64_t maxPriorityFeePerGas = 0; uint64_t maxFeePerGas = 0; std::string to; - uint64_t value; - uint64_t gasLimit; + uint64_t value = 0; + uint64_t gasLimit = 0; std::string data; Signature sig; - - // Constructor - // (toAddress, value, gasLimit, data) - Transaction(std::string to, uint64_t value, uint64_t gasLimit = 21000, std::string data = "") - : to{std::move(to)}, value{std::move(value)}, gasLimit{gasLimit}, data{std::move(data)} {} - - std::string serialized() const; - std::string hash() const; - }; +} // namespace ethyl diff --git a/include/ethyl/utils.hpp b/include/ethyl/utils.hpp index bef3074..f705eff 100644 --- a/include/ethyl/utils.hpp +++ b/include/ethyl/utils.hpp @@ -6,39 +6,23 @@ #include #include #include -#include -#include -#include #include #include -namespace utils +namespace ethyl { +using ECDSACompactSignature = std::array; +using Bytes20 = std::array; +using Bytes32 = std::array; +namespace utils +{ enum class PaddingDirection { LEFT, RIGHT }; - template - std::string toHexString(const Container& bytes) { - std::ostringstream oss; - for(const auto byte : bytes) { - oss << std::setw(2) << std::setfill('0') << std::hex << static_cast(static_cast(byte)); - } - return oss.str(); - } - - template - std::string toHexStringBigEndian(const Container& bytes) { - std::ostringstream oss; - for(auto it = bytes.rbegin(); it != bytes.rend(); ++it) { - oss << std::setw(2) << std::setfill('0') << std::hex << static_cast(static_cast(*it)); - } - return oss.str(); - } - std::string decimalToHex(uint64_t decimal, bool prefixed_0x = false); std::string_view trimPrefix(std::string_view src, std::string_view prefix); std::string_view trimLeadingZeros(std::string_view src); @@ -47,6 +31,7 @@ namespace utils template std::vector fromHexString(std::string_view hexStr) { hexStr = trimPrefix(hexStr, "0x"); + hexStr = trimPrefix(hexStr, "0X"); if (!oxenc::is_hex(hexStr)) throw std::invalid_argument{"input string is not hex"}; @@ -75,22 +60,21 @@ namespace utils extern template std::array fromHexString32Byte(std::string_view); extern template std::array fromHexString32Byte(std::string_view); + uint64_t hexStringToU64(std::string_view hexStr); - uint64_t fromHexStringToUint64(std::string_view hexStr); + std::string padToNBytes(std::string_view hexInput, size_t bytes, PaddingDirection direction = PaddingDirection::LEFT); - std::string padToNBytes(std::string_view hex_input, size_t bytes, PaddingDirection direction = PaddingDirection::LEFT); - inline std::string padTo8Bytes(std::string_view hex_input, PaddingDirection direction = PaddingDirection::LEFT) { - return padToNBytes(hex_input, 8, direction); + inline std::string padTo8Bytes(std::string_view hexInput, PaddingDirection direction = PaddingDirection::LEFT) { + return padToNBytes(hexInput, 8, direction); } - inline std::string padTo32Bytes(std::string_view hex_input, PaddingDirection direction = PaddingDirection::LEFT) { - return padToNBytes(hex_input, 32, direction); + inline std::string padTo32Bytes(std::string_view hexInput, PaddingDirection direction = PaddingDirection::LEFT) { + return padToNBytes(hexInput, 32, direction); } - - /// Parses an integer of some sort from a string, requiring that the entire string be consumed - /// during parsing. Return false if parsing failed, sets `value` and returns true if the entire - /// string was consumed. + /// Parses an integer of some sort from a string, requiring that the entire + /// string be consumed during parsing. Return false if parsing failed, sets + /// `value` and returns true if the entire string was consumed. template bool parseInt(const std::string_view str, T& value, int base = 10) { T tmp; @@ -102,11 +86,26 @@ namespace utils return true; } - std::array hash(std::string_view in); + /// Hashes a hex string into a 32-byte hash using keccak by first converting + /// the hex to bytes. The hex string is allowed to start with '0x' and '0X'. + /// Passing bytes to this function will throw an `invalid_argument` + /// exception. + Bytes32 hashHex(std::string_view hex); + + /// Hash the bytes into a 32-byte hash using keccak. + Bytes32 hashBytesPtr(const void *bytes, size_t size); + + /// See `hashBytesPtr` + Bytes32 hashBytes(std::span bytes); + + /// See `hashBytesPtr` + Bytes32 hashBytes(std::span bytes); - std::string getFunctionSignature(const std::string& function); + /// Get the function signature for Ethereum contract interaction via an ABI + /// call + std::string toEthFunctionSignature(std::string_view function); std::string trimAddress(const std::string& address); +} // namespace ethyl::utils +}; -// END -} diff --git a/src/crypto/CMakeLists.txt b/src/crypto/CMakeLists.txt deleted file mode 100644 index 7f1a0ee..0000000 --- a/src/crypto/CMakeLists.txt +++ /dev/null @@ -1,103 +0,0 @@ -# Copyright (c) 2018, The Loki Project -# Copyright (c) 2014-2019, The Monero Project -# -# All rights reserved. -# -# Redistribution and use in source and binary forms, with or without modification, are -# permitted provided that the following conditions are met: -# -# 1. Redistributions of source code must retain the above copyright notice, this list of -# conditions and the following disclaimer. -# -# 2. Redistributions in binary form must reproduce the above copyright notice, this list -# of conditions and the following disclaimer in the documentation and/or other -# materials provided with the distribution. -# -# 3. Neither the name of the copyright holder nor the names of its contributors may be -# used to endorse or promote products derived from this software without specific -# prior written permission. -# -# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY -# EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF -# MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL -# THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, -# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, -# STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF -# THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - -add_library(cncrypto - aesb.c - blake256.c - crypto-ops-data.c - crypto-ops.c - groestl.c - hash-extra-blake.c - hash-extra-groestl.c - hash-extra-jh.c - hash-extra-skein.c - hash.c - hmac-keccak.c - jh.c - keccak.c - oaes_lib_expand.c - random.c - skein.c - cn_heavy_hash_hard_arm.cpp - cn_heavy_hash_hard_intel.cpp - cn_heavy_hash_soft.cpp - cn_turtle_hash.c - tree-hash.c) - -if (WIN32 OR CYGWIN) - target_link_libraries(cncrypto PUBLIC bcrypt) -endif() - -set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fPIC") -set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fPIC") - -if (CMAKE_CXX_COMPILER_ID MATCHES Clang OR CMAKE_CXX_COMPILER_ID STREQUAL GNU) - # If we're compiling for x86/amd64 then we need to force on -maes -msse2 for the hard intel code: - # it has a run-time check to not actually call it if not supported by the running CPU. - # Unfortunately CMake sucks for actually reliably giving us the target architecture, so we'll just - # try to compile with these flags if the compiler accepts them. - include(CheckCXXCompilerFlag) - check_cxx_compiler_flag(-msse2 COMPILER_SUPPORTS_SSE2) - if(COMPILER_SUPPORTS_SSE2) - check_cxx_compiler_flag(-maes COMPILER_SUPPORTS_AES) - if(COMPILER_SUPPORTS_AES) - set_source_files_properties(cn_heavy_hash_hard_intel.cpp PROPERTIES COMPILE_FLAGS "-maes -msse2") - set_source_files_properties(cn_monero_slow_hash.c PROPERTIES COMPILE_FLAGS "-maes -msse2") - set_source_files_properties(cn_turtle_hash.c PROPERTIES COMPILE_FLAGS "-maes -msse2") - endif() - endif() -endif() - -# GCC 11 LTO and cn_turtle_hash have some serious disagreements; disable LTO for it. -if(IPO_ENABLED AND (CMAKE_BUILD_TYPE STREQUAL Release OR CMAKE_BUILD_TYPE STREQUAL RelWithDebInfo) - AND CMAKE_C_COMPILER_ID STREQUAL GNU - AND CMAKE_C_COMPILER_VERSION VERSION_GREATER 11 AND CMAKE_C_COMPILER_VERSION VERSION_LESS 12) - message(STATUS "GCC-11 detected; disabling LTO for cncrypto") - set_target_properties(cncrypto PROPERTIES INTERPROCEDURAL_OPTIMIZATION OFF) -endif() - - -if (ARCH STREQUAL "armv8-a" AND (CMAKE_CXX_COMPILER_ID MATCHES Clang OR CMAKE_CXX_COMPILER_ID STREQUAL GNU)) - # Similarly use +crypto extensions for the arm hash code (it also has a run-time check before - # enabling). - include(CheckCXXCompilerFlag) - check_cxx_compiler_flag(-march=armv8-a+crypto COMPILER_SUPPORTS_PLUS_CRYPTO) - if (COMPILER_SUPPORTS_PLUS_CRYPTO) - set_source_files_properties(cn_heavy_hash_hard_arm.cpp PROPERTIES COMPILE_FLAGS "-march=armv8-a+crypto") - endif() -endif() - - -# Because of the way Qt works on android with JNI, the code does not live in the main android thread -# So this code runs with a 1 MB default stack size. -# This will force the use of the heap for the allocation of the scratchpad -if (ANDROID OR IOS) - target_compile_definitions(cncrypto PUBLIC FORCE_USE_HEAP=1) -endif() - diff --git a/src/crypto/aesb.c b/src/crypto/aesb.c deleted file mode 100644 index 04221f8..0000000 --- a/src/crypto/aesb.c +++ /dev/null @@ -1,205 +0,0 @@ -/* ---------------------------------------------------------------------------- -Copyright (c) 1998-2013, Brian Gladman, Worcester, UK. All rights reserved. - -The redistribution and use of this software (with or without changes) -is allowed without the payment of fees or royalties provided that: - - source code distributions include the above copyright notice, this - list of conditions and the following disclaimer; - - binary distributions include the above copyright notice, this list - of conditions and the following disclaimer in their documentation. - -This software is provided 'as is' with no explicit or implied warranties -in respect of its operation, including, but not limited to, correctness -and fitness for purpose. ---------------------------------------------------------------------------- -Issue Date: 20/12/2007 -*/ - -#include - -#include "int-util.h" - -#if defined(__cplusplus) -extern "C" { -#endif - -#define TABLE_ALIGN 32 -#define WPOLY 0x011b -#define N_COLS 4 -#define AES_BLOCK_SIZE 16 -#define RC_LENGTH (5 * (AES_BLOCK_SIZE / 4 - 2)) - -#if defined(_MSC_VER) -#define LOCAL_ALIGN __declspec(align(TABLE_ALIGN)) -#elif defined(__GNUC__) -#define LOCAL_ALIGN __attribute__((aligned(16))) -#else -#define LOCAL_ALIGN -#endif - -#define rf1(r, c) (r) -#define word_in(x, c) (*((uint32_t*)(x) + (c))) -#define word_out(x, c, v) (*((uint32_t*)(x) + (c)) = (v)) - -#define s(x, c) x[c] -#define si(y, x, c) (s(y, c) = word_in(x, c)) -#define so(y, x, c) word_out(y, c, s(x, c)) -#define state_in(y, x) \ - si(y, x, 0); \ - si(y, x, 1); \ - si(y, x, 2); \ - si(y, x, 3) -#define state_out(y, x) \ - so(y, x, 0); \ - so(y, x, 1); \ - so(y, x, 2); \ - so(y, x, 3) -#define round(rm, y, x, k) \ - rm(y, x, k, 0); \ - rm(y, x, k, 1); \ - rm(y, x, k, 2); \ - rm(y, x, k, 3) -#define to_byte(x) ((x)&0xff) -#define bval(x, n) to_byte(SWAP32LE(x) >> (8 * (n))) - -#define fwd_var(x, r, c) \ - (r == 0 ? (c == 0 ? s(x, 0) \ - : c == 1 ? s(x, 1) \ - : c == 2 ? s(x, 2) \ - : s(x, 3)) \ - : r == 1 ? (c == 0 ? s(x, 1) \ - : c == 1 ? s(x, 2) \ - : c == 2 ? s(x, 3) \ - : s(x, 0)) \ - : r == 2 ? (c == 0 ? s(x, 2) \ - : c == 1 ? s(x, 3) \ - : c == 2 ? s(x, 0) \ - : s(x, 1)) \ - : (c == 0 ? s(x, 3) \ - : c == 1 ? s(x, 0) \ - : c == 2 ? s(x, 1) \ - : s(x, 2))) - -#define fwd_rnd(y, x, k, c) \ - (s(y, c) = (k)[c] ^ SWAP32LE(four_tables(x, t_use(f, n), fwd_var, rf1, c))) - -#define sb_data(w) \ - { \ - w(0x63), w(0x7c), w(0x77), w(0x7b), w(0xf2), w(0x6b), w(0x6f), w(0xc5), w(0x30), w(0x01), \ - w(0x67), w(0x2b), w(0xfe), w(0xd7), w(0xab), w(0x76), w(0xca), w(0x82), w(0xc9), \ - w(0x7d), w(0xfa), w(0x59), w(0x47), w(0xf0), w(0xad), w(0xd4), w(0xa2), w(0xaf), \ - w(0x9c), w(0xa4), w(0x72), w(0xc0), w(0xb7), w(0xfd), w(0x93), w(0x26), w(0x36), \ - w(0x3f), w(0xf7), w(0xcc), w(0x34), w(0xa5), w(0xe5), w(0xf1), w(0x71), w(0xd8), \ - w(0x31), w(0x15), w(0x04), w(0xc7), w(0x23), w(0xc3), w(0x18), w(0x96), w(0x05), \ - w(0x9a), w(0x07), w(0x12), w(0x80), w(0xe2), w(0xeb), w(0x27), w(0xb2), w(0x75), \ - w(0x09), w(0x83), w(0x2c), w(0x1a), w(0x1b), w(0x6e), w(0x5a), w(0xa0), w(0x52), \ - w(0x3b), w(0xd6), w(0xb3), w(0x29), w(0xe3), w(0x2f), w(0x84), w(0x53), w(0xd1), \ - w(0x00), w(0xed), w(0x20), w(0xfc), w(0xb1), w(0x5b), w(0x6a), w(0xcb), w(0xbe), \ - w(0x39), w(0x4a), w(0x4c), w(0x58), w(0xcf), w(0xd0), w(0xef), w(0xaa), w(0xfb), \ - w(0x43), w(0x4d), w(0x33), w(0x85), w(0x45), w(0xf9), w(0x02), w(0x7f), w(0x50), \ - w(0x3c), w(0x9f), w(0xa8), w(0x51), w(0xa3), w(0x40), w(0x8f), w(0x92), w(0x9d), \ - w(0x38), w(0xf5), w(0xbc), w(0xb6), w(0xda), w(0x21), w(0x10), w(0xff), w(0xf3), \ - w(0xd2), w(0xcd), w(0x0c), w(0x13), w(0xec), w(0x5f), w(0x97), w(0x44), w(0x17), \ - w(0xc4), w(0xa7), w(0x7e), w(0x3d), w(0x64), w(0x5d), w(0x19), w(0x73), w(0x60), \ - w(0x81), w(0x4f), w(0xdc), w(0x22), w(0x2a), w(0x90), w(0x88), w(0x46), w(0xee), \ - w(0xb8), w(0x14), w(0xde), w(0x5e), w(0x0b), w(0xdb), w(0xe0), w(0x32), w(0x3a), \ - w(0x0a), w(0x49), w(0x06), w(0x24), w(0x5c), w(0xc2), w(0xd3), w(0xac), w(0x62), \ - w(0x91), w(0x95), w(0xe4), w(0x79), w(0xe7), w(0xc8), w(0x37), w(0x6d), w(0x8d), \ - w(0xd5), w(0x4e), w(0xa9), w(0x6c), w(0x56), w(0xf4), w(0xea), w(0x65), w(0x7a), \ - w(0xae), w(0x08), w(0xba), w(0x78), w(0x25), w(0x2e), w(0x1c), w(0xa6), w(0xb4), \ - w(0xc6), w(0xe8), w(0xdd), w(0x74), w(0x1f), w(0x4b), w(0xbd), w(0x8b), w(0x8a), \ - w(0x70), w(0x3e), w(0xb5), w(0x66), w(0x48), w(0x03), w(0xf6), w(0x0e), w(0x61), \ - w(0x35), w(0x57), w(0xb9), w(0x86), w(0xc1), w(0x1d), w(0x9e), w(0xe1), w(0xf8), \ - w(0x98), w(0x11), w(0x69), w(0xd9), w(0x8e), w(0x94), w(0x9b), w(0x1e), w(0x87), \ - w(0xe9), w(0xce), w(0x55), w(0x28), w(0xdf), w(0x8c), w(0xa1), w(0x89), w(0x0d), \ - w(0xbf), w(0xe6), w(0x42), w(0x68), w(0x41), w(0x99), w(0x2d), w(0x0f), w(0xb0), \ - w(0x54), w(0xbb), w(0x16) \ - } - -#define rc_data(w) \ - { w(0x01), w(0x02), w(0x04), w(0x08), w(0x10), w(0x20), w(0x40), w(0x80), w(0x1b), w(0x36) } - -#define bytes2word(b0, b1, b2, b3) \ - (((uint32_t)(b3) << 24) | ((uint32_t)(b2) << 16) | ((uint32_t)(b1) << 8) | (b0)) - -#define h0(x) (x) -#define w0(p) bytes2word(p, 0, 0, 0) -#define w1(p) bytes2word(0, p, 0, 0) -#define w2(p) bytes2word(0, 0, p, 0) -#define w3(p) bytes2word(0, 0, 0, p) - -#define u0(p) bytes2word(f2(p), p, p, f3(p)) -#define u1(p) bytes2word(f3(p), f2(p), p, p) -#define u2(p) bytes2word(p, f3(p), f2(p), p) -#define u3(p) bytes2word(p, p, f3(p), f2(p)) - -#define v0(p) bytes2word(fe(p), f9(p), fd(p), fb(p)) -#define v1(p) bytes2word(fb(p), fe(p), f9(p), fd(p)) -#define v2(p) bytes2word(fd(p), fb(p), fe(p), f9(p)) -#define v3(p) bytes2word(f9(p), fd(p), fb(p), fe(p)) - -#define f2(x) ((x << 1) ^ (((x >> 7) & 1) * WPOLY)) -#define f4(x) ((x << 2) ^ (((x >> 6) & 1) * WPOLY) ^ (((x >> 6) & 2) * WPOLY)) -#define f8(x) \ - ((x << 3) ^ (((x >> 5) & 1) * WPOLY) ^ (((x >> 5) & 2) * WPOLY) ^ (((x >> 5) & 4) * WPOLY)) -#define f3(x) (f2(x) ^ x) -#define f9(x) (f8(x) ^ x) -#define fb(x) (f8(x) ^ f2(x) ^ x) -#define fd(x) (f8(x) ^ f4(x) ^ x) -#define fe(x) (f8(x) ^ f4(x) ^ f2(x)) - -#define t_dec(m, n) t_##m##n -#define t_set(m, n) t_##m##n -#define t_use(m, n) t_##m##n - -#define d_4(t, n, b, e, f, g, h) LOCAL_ALIGN const t n[4][256] = {b(e), b(f), b(g), b(h)} - -#define four_tables(x, tab, vf, rf, c) \ - (tab[0][bval(vf(x, 0, c), rf(0, c))] ^ tab[1][bval(vf(x, 1, c), rf(1, c))] ^ \ - tab[2][bval(vf(x, 2, c), rf(2, c))] ^ tab[3][bval(vf(x, 3, c), rf(3, c))]) - -d_4(uint32_t, t_dec(f, n), sb_data, u0, u1, u2, u3); - -#if !defined(STATIC) -#define STATIC -#endif - -#if !defined(INLINE) -#define INLINE -#endif - -STATIC INLINE void aesb_single_round(const uint8_t* in, uint8_t* out, uint8_t* expandedKey) { - uint32_t b0[4], b1[4]; - const uint32_t* kp = (uint32_t*)expandedKey; - state_in(b0, in); - - round(fwd_rnd, b1, b0, kp); - - state_out(out, b1); -} - -STATIC INLINE void aesb_pseudo_round(const uint8_t* in, uint8_t* out, uint8_t* expandedKey) { - uint32_t b0[4], b1[4]; - const uint32_t* kp = (uint32_t*)expandedKey; - state_in(b0, in); - - round(fwd_rnd, b1, b0, kp); - round(fwd_rnd, b0, b1, kp + 1 * N_COLS); - round(fwd_rnd, b1, b0, kp + 2 * N_COLS); - round(fwd_rnd, b0, b1, kp + 3 * N_COLS); - round(fwd_rnd, b1, b0, kp + 4 * N_COLS); - round(fwd_rnd, b0, b1, kp + 5 * N_COLS); - round(fwd_rnd, b1, b0, kp + 6 * N_COLS); - round(fwd_rnd, b0, b1, kp + 7 * N_COLS); - round(fwd_rnd, b1, b0, kp + 8 * N_COLS); - round(fwd_rnd, b0, b1, kp + 9 * N_COLS); - - state_out(out, b0); -} - -#if defined(__cplusplus) -} -#endif diff --git a/src/crypto/blake256.c b/src/crypto/blake256.c deleted file mode 100644 index 88f5dd7..0000000 --- a/src/crypto/blake256.c +++ /dev/null @@ -1,377 +0,0 @@ -// Copyright (c) 2014-2019, The Monero Project -// -// All rights reserved. -// -// Redistribution and use in source and binary forms, with or without modification, are -// permitted provided that the following conditions are met: -// -// 1. Redistributions of source code must retain the above copyright notice, this list of -// conditions and the following disclaimer. -// -// 2. Redistributions in binary form must reproduce the above copyright notice, this list -// of conditions and the following disclaimer in the documentation and/or other -// materials provided with the distribution. -// -// 3. Neither the name of the copyright holder nor the names of its contributors may be -// used to endorse or promote products derived from this software without specific -// prior written permission. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY -// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF -// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL -// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, -// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, -// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF -// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -// - -/* - * The blake256_* and blake224_* functions are largely copied from - * blake256_light.c and blake224_light.c from the BLAKE website: - * - * https://131002.net/blake/ - * - * The hmac_* functions implement HMAC-BLAKE-256 and HMAC-BLAKE-224. - * HMAC is specified by RFC 2104. - */ - -#include "blake256.h" -#include "../../include/ethyl/ecdsa_util.h" - -#include -#include - -#define U8TO32(p) \ - (((uint32_t)((p)[0]) << 24) | ((uint32_t)((p)[1]) << 16) | ((uint32_t)((p)[2]) << 8) | \ - ((uint32_t)((p)[3]))) -#define U32TO8(p, v) \ - (p)[0] = (uint8_t)((v) >> 24); \ - (p)[1] = (uint8_t)((v) >> 16); \ - (p)[2] = (uint8_t)((v) >> 8); \ - (p)[3] = (uint8_t)((v)); - -const uint8_t sigma[][16] = { - {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15}, - {14, 10, 4, 8, 9, 15, 13, 6, 1, 12, 0, 2, 11, 7, 5, 3}, - {11, 8, 12, 0, 5, 2, 15, 13, 10, 14, 3, 6, 7, 1, 9, 4}, - {7, 9, 3, 1, 13, 12, 11, 14, 2, 6, 5, 10, 4, 0, 15, 8}, - {9, 0, 5, 7, 2, 4, 10, 15, 14, 1, 11, 12, 6, 8, 3, 13}, - {2, 12, 6, 10, 0, 11, 8, 3, 4, 13, 7, 5, 15, 14, 1, 9}, - {12, 5, 1, 15, 14, 13, 4, 10, 0, 7, 6, 3, 9, 2, 8, 11}, - {13, 11, 7, 14, 12, 1, 3, 9, 5, 0, 15, 4, 8, 6, 2, 10}, - {6, 15, 14, 9, 11, 3, 0, 8, 12, 2, 13, 7, 1, 4, 10, 5}, - {10, 2, 8, 4, 7, 6, 1, 5, 15, 11, 9, 14, 3, 12, 13, 0}, - {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15}, - {14, 10, 4, 8, 9, 15, 13, 6, 1, 12, 0, 2, 11, 7, 5, 3}, - {11, 8, 12, 0, 5, 2, 15, 13, 10, 14, 3, 6, 7, 1, 9, 4}, - {7, 9, 3, 1, 13, 12, 11, 14, 2, 6, 5, 10, 4, 0, 15, 8}}; - -const uint32_t cst[16] = { - 0x243F6A88, - 0x85A308D3, - 0x13198A2E, - 0x03707344, - 0xA4093822, - 0x299F31D0, - 0x082EFA98, - 0xEC4E6C89, - 0x452821E6, - 0x38D01377, - 0xBE5466CF, - 0x34E90C6C, - 0xC0AC29B7, - 0xC97C50DD, - 0x3F84D5B5, - 0xB5470917}; - -static const uint8_t padding[] = {0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; - -void blake256_compress(state* S, const uint8_t* block) { - uint32_t v[16], m[16], i; - -#define ROT(x, n) (((x) << (32 - n)) | ((x) >> (n))) -#define G(a, b, c, d, e) \ - v[a] += (m[sigma[i][e]] ^ cst[sigma[i][e + 1]]) + v[b]; \ - v[d] = ROT(v[d] ^ v[a], 16); \ - v[c] += v[d]; \ - v[b] = ROT(v[b] ^ v[c], 12); \ - v[a] += (m[sigma[i][e + 1]] ^ cst[sigma[i][e]]) + v[b]; \ - v[d] = ROT(v[d] ^ v[a], 8); \ - v[c] += v[d]; \ - v[b] = ROT(v[b] ^ v[c], 7); - - for (i = 0; i < 16; ++i) - m[i] = U8TO32(block + i * 4); - for (i = 0; i < 8; ++i) - v[i] = S->h[i]; - v[8] = S->s[0] ^ 0x243F6A88; - v[9] = S->s[1] ^ 0x85A308D3; - v[10] = S->s[2] ^ 0x13198A2E; - v[11] = S->s[3] ^ 0x03707344; - v[12] = 0xA4093822; - v[13] = 0x299F31D0; - v[14] = 0x082EFA98; - v[15] = 0xEC4E6C89; - - if (S->nullt == 0) { - v[12] ^= S->t[0]; - v[13] ^= S->t[0]; - v[14] ^= S->t[1]; - v[15] ^= S->t[1]; - } - - for (i = 0; i < 14; ++i) { - G(0, 4, 8, 12, 0); - G(1, 5, 9, 13, 2); - G(2, 6, 10, 14, 4); - G(3, 7, 11, 15, 6); - G(3, 4, 9, 14, 14); - G(2, 7, 8, 13, 12); - G(0, 5, 10, 15, 8); - G(1, 6, 11, 12, 10); - } - - for (i = 0; i < 16; ++i) - S->h[i % 8] ^= v[i]; - for (i = 0; i < 8; ++i) - S->h[i] ^= S->s[i % 4]; -} - -void blake256_init(state* S) { - S->h[0] = 0x6A09E667; - S->h[1] = 0xBB67AE85; - S->h[2] = 0x3C6EF372; - S->h[3] = 0xA54FF53A; - S->h[4] = 0x510E527F; - S->h[5] = 0x9B05688C; - S->h[6] = 0x1F83D9AB; - S->h[7] = 0x5BE0CD19; - S->t[0] = S->t[1] = S->buflen = S->nullt = 0; - S->s[0] = S->s[1] = S->s[2] = S->s[3] = 0; -} - -void blake224_init(state* S) { - S->h[0] = 0xC1059ED8; - S->h[1] = 0x367CD507; - S->h[2] = 0x3070DD17; - S->h[3] = 0xF70E5939; - S->h[4] = 0xFFC00B31; - S->h[5] = 0x68581511; - S->h[6] = 0x64F98FA7; - S->h[7] = 0xBEFA4FA4; - S->t[0] = S->t[1] = S->buflen = S->nullt = 0; - S->s[0] = S->s[1] = S->s[2] = S->s[3] = 0; -} - -// datalen = number of bits -void blake256_update(state* S, const uint8_t* data, uint64_t datalen) { - int left = S->buflen >> 3; - int fill = 64 - left; - - if (left && (((datalen >> 3)) >= (unsigned)fill)) { - memcpy((void*)(S->buf + left), (void*)data, fill); - S->t[0] += 512; - if (S->t[0] == 0) - S->t[1]++; - blake256_compress(S, S->buf); - data += fill; - datalen -= (fill << 3); - left = 0; - } - - while (datalen >= 512) { - S->t[0] += 512; - if (S->t[0] == 0) - S->t[1]++; - blake256_compress(S, data); - data += 64; - datalen -= 512; - } - - if (datalen > 0) { - memcpy((void*)(S->buf + left), (void*)data, datalen >> 3); - S->buflen = (left << 3) + datalen; - } else { - S->buflen = 0; - } -} - -// datalen = number of bits -void blake224_update(state* S, const uint8_t* data, uint64_t datalen) { - blake256_update(S, data, datalen); -} - -void blake256_final_h(state* S, uint8_t* digest, uint8_t pa, uint8_t pb) { - uint8_t msglen[8]; - uint32_t lo = S->t[0] + S->buflen, hi = S->t[1]; - if (lo < (unsigned)S->buflen) - hi++; - U32TO8(msglen + 0, hi); - U32TO8(msglen + 4, lo); - - if (S->buflen == 440) { /* one padding byte */ - S->t[0] -= 8; - blake256_update(S, &pa, 8); - } else { - if (S->buflen < 440) { /* enough space to fill the block */ - if (S->buflen == 0) - S->nullt = 1; - S->t[0] -= 440 - S->buflen; - blake256_update(S, padding, 440 - S->buflen); - } else { /* need 2 compressions */ - S->t[0] -= 512 - S->buflen; - blake256_update(S, padding, 512 - S->buflen); - S->t[0] -= 440; - blake256_update(S, padding + 1, 440); - S->nullt = 1; - } - blake256_update(S, &pb, 8); - S->t[0] -= 8; - } - S->t[0] -= 64; - blake256_update(S, msglen, 64); - - U32TO8(digest + 0, S->h[0]); - U32TO8(digest + 4, S->h[1]); - U32TO8(digest + 8, S->h[2]); - U32TO8(digest + 12, S->h[3]); - U32TO8(digest + 16, S->h[4]); - U32TO8(digest + 20, S->h[5]); - U32TO8(digest + 24, S->h[6]); - U32TO8(digest + 28, S->h[7]); -} - -void blake256_final(state* S, uint8_t* digest) { - blake256_final_h(S, digest, 0x81, 0x01); -} - -void blake224_final(state* S, uint8_t* digest) { - blake256_final_h(S, digest, 0x80, 0x00); -} - -// inlen = number of bytes -void blake256_hash(uint8_t* out, const uint8_t* in, uint64_t inlen) { - state S; - blake256_init(&S); - blake256_update(&S, in, inlen * 8); - blake256_final(&S, out); -} - -// inlen = number of bytes -void blake224_hash(uint8_t* out, const uint8_t* in, uint64_t inlen) { - state S; - blake224_init(&S); - blake224_update(&S, in, inlen * 8); - blake224_final(&S, out); -} - -// keylen = number of bytes -void hmac_blake256_init(hmac_state* S, const uint8_t* _key, uint64_t keylen) { - const uint8_t* key = _key; - uint8_t keyhash[32]; - uint8_t pad[64]; - uint64_t i; - - if (keylen > 64) { - blake256_hash(keyhash, key, keylen); - key = keyhash; - keylen = 32; - } - - blake256_init(&S->inner); - memset(pad, 0x36, 64); - for (i = 0; i < keylen; ++i) { - pad[i] ^= key[i]; - } - blake256_update(&S->inner, pad, 512); - - blake256_init(&S->outer); - memset(pad, 0x5c, 64); - for (i = 0; i < keylen; ++i) { - pad[i] ^= key[i]; - } - blake256_update(&S->outer, pad, 512); - - secure_erase(keyhash, sizeof(keyhash)); -} - -// keylen = number of bytes -void hmac_blake224_init(hmac_state* S, const uint8_t* _key, uint64_t keylen) { - const uint8_t* key = _key; - uint8_t keyhash[32]; - uint8_t pad[64]; - uint64_t i; - - if (keylen > 64) { - blake256_hash(keyhash, key, keylen); - key = keyhash; - keylen = 28; - } - - blake224_init(&S->inner); - memset(pad, 0x36, 64); - for (i = 0; i < keylen; ++i) { - pad[i] ^= key[i]; - } - blake224_update(&S->inner, pad, 512); - - blake224_init(&S->outer); - memset(pad, 0x5c, 64); - for (i = 0; i < keylen; ++i) { - pad[i] ^= key[i]; - } - blake224_update(&S->outer, pad, 512); - - secure_erase(keyhash, sizeof(keyhash)); -} - -// datalen = number of bits -void hmac_blake256_update(hmac_state* S, const uint8_t* data, uint64_t datalen) { - // update the inner state - blake256_update(&S->inner, data, datalen); -} - -// datalen = number of bits -void hmac_blake224_update(hmac_state* S, const uint8_t* data, uint64_t datalen) { - // update the inner state - blake224_update(&S->inner, data, datalen); -} - -void hmac_blake256_final(hmac_state* S, uint8_t* digest) { - uint8_t ihash[32]; - blake256_final(&S->inner, ihash); - blake256_update(&S->outer, ihash, 256); - blake256_final(&S->outer, digest); - secure_erase(ihash, sizeof(ihash)); -} - -void hmac_blake224_final(hmac_state* S, uint8_t* digest) { - uint8_t ihash[32]; - blake224_final(&S->inner, ihash); - blake224_update(&S->outer, ihash, 224); - blake224_final(&S->outer, digest); - secure_erase(ihash, sizeof(ihash)); -} - -// keylen = number of bytes; inlen = number of bytes -void hmac_blake256_hash( - uint8_t* out, const uint8_t* key, uint64_t keylen, const uint8_t* in, uint64_t inlen) { - hmac_state S; - hmac_blake256_init(&S, key, keylen); - hmac_blake256_update(&S, in, inlen * 8); - hmac_blake256_final(&S, out); -} - -// keylen = number of bytes; inlen = number of bytes -void hmac_blake224_hash( - uint8_t* out, const uint8_t* key, uint64_t keylen, const uint8_t* in, uint64_t inlen) { - hmac_state S; - hmac_blake224_init(&S, key, keylen); - hmac_blake224_update(&S, in, inlen * 8); - hmac_blake224_final(&S, out); -} diff --git a/src/crypto/blake256.h b/src/crypto/blake256.h deleted file mode 100644 index 327ef89..0000000 --- a/src/crypto/blake256.h +++ /dev/null @@ -1,73 +0,0 @@ -// Copyright (c) 2014-2019, The Monero Project -// -// All rights reserved. -// -// Redistribution and use in source and binary forms, with or without modification, are -// permitted provided that the following conditions are met: -// -// 1. Redistributions of source code must retain the above copyright notice, this list of -// conditions and the following disclaimer. -// -// 2. Redistributions in binary form must reproduce the above copyright notice, this list -// of conditions and the following disclaimer in the documentation and/or other -// materials provided with the distribution. -// -// 3. Neither the name of the copyright holder nor the names of its contributors may be -// used to endorse or promote products derived from this software without specific -// prior written permission. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY -// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF -// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL -// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, -// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, -// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF -// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -// -// Parts of this file are originally copyright (c) 2012-2013 The Cryptonote developers - -#ifndef _BLAKE256_H_ -#define _BLAKE256_H_ - -#include - -typedef struct { - uint32_t h[8], s[4], t[2]; - int buflen, nullt; - uint8_t buf[64]; -} state; - -typedef struct { - state inner; - state outer; -} hmac_state; - -void blake256_init(state*); -void blake224_init(state*); - -void blake256_update(state*, const uint8_t*, uint64_t); -void blake224_update(state*, const uint8_t*, uint64_t); - -void blake256_final(state*, uint8_t*); -void blake224_final(state*, uint8_t*); - -void blake256_hash(uint8_t*, const uint8_t*, uint64_t); -void blake224_hash(uint8_t*, const uint8_t*, uint64_t); - -/* HMAC functions: */ - -void hmac_blake256_init(hmac_state*, const uint8_t*, uint64_t); -void hmac_blake224_init(hmac_state*, const uint8_t*, uint64_t); - -void hmac_blake256_update(hmac_state*, const uint8_t*, uint64_t); -void hmac_blake224_update(hmac_state*, const uint8_t*, uint64_t); - -void hmac_blake256_final(hmac_state*, uint8_t*); -void hmac_blake224_final(hmac_state*, uint8_t*); - -void hmac_blake256_hash(uint8_t*, const uint8_t*, uint64_t, const uint8_t*, uint64_t); -void hmac_blake224_hash(uint8_t*, const uint8_t*, uint64_t, const uint8_t*, uint64_t); - -#endif /* _BLAKE256_H_ */ diff --git a/src/crypto/c_threads.h b/src/crypto/c_threads.h deleted file mode 100644 index be1632e..0000000 --- a/src/crypto/c_threads.h +++ /dev/null @@ -1,62 +0,0 @@ -// Copyright (c) 2019, The Monero Project -// -// All rights reserved. -// -// Redistribution and use in source and binary forms, with or without modification, are -// permitted provided that the following conditions are met: -// -// 1. Redistributions of source code must retain the above copyright notice, this list of -// conditions and the following disclaimer. -// -// 2. Redistributions in binary form must reproduce the above copyright notice, this list -// of conditions and the following disclaimer in the documentation and/or other -// materials provided with the distribution. -// -// 3. Neither the name of the copyright holder nor the names of its contributors may be -// used to endorse or promote products derived from this software without specific -// prior written permission. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY -// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF -// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL -// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, -// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, -// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF -// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - -/* Brain-dead simple portability wrapper over thread APIs for C */ -#pragma once - -#ifdef _WIN32 -#include -#define CTHR_MUTEX_TYPE HANDLE -#define CTHR_MUTEX_INIT NULL -#define CTHR_MUTEX_LOCK(x) \ - do { \ - if (x == NULL) { \ - HANDLE p = CreateMutex(NULL, FALSE, NULL); \ - if (InterlockedCompareExchangePointer((PVOID*)&x, (PVOID)p, NULL) != NULL) \ - CloseHandle(p); \ - } \ - WaitForSingleObject(x, INFINITE); \ - } while (0) -#define CTHR_MUTEX_UNLOCK(x) ReleaseMutex(x) -#define CTHR_THREAD_TYPE HANDLE -#define CTHR_THREAD_RTYPE void -#define CTHR_THREAD_RETURN return -#define CTHR_THREAD_CREATE(thr, func, arg) thr = (HANDLE)_beginthread(func, 0, arg) -#define CTHR_THREAD_JOIN(thr) WaitForSingleObject(thr, INFINITE) -#else -#include -#define CTHR_MUTEX_TYPE pthread_mutex_t -#define CTHR_MUTEX_INIT PTHREAD_MUTEX_INITIALIZER -#define CTHR_MUTEX_LOCK(x) pthread_mutex_lock(&x) -#define CTHR_MUTEX_UNLOCK(x) pthread_mutex_unlock(&x) -#define CTHR_THREAD_TYPE pthread_t -#define CTHR_THREAD_RTYPE void* -#define CTHR_THREAD_RETURN return NULL -#define CTHR_THREAD_CREATE(thr, func, arg) pthread_create(&thr, NULL, func, arg) -#define CTHR_THREAD_JOIN(thr) pthread_join(thr, NULL) -#endif diff --git a/src/crypto/cn_heavy_hash.hpp b/src/crypto/cn_heavy_hash.hpp deleted file mode 100644 index e8af2fd..0000000 --- a/src/crypto/cn_heavy_hash.hpp +++ /dev/null @@ -1,194 +0,0 @@ -// Copyright (c) 2017, SUMOKOIN -// -// All rights reserved. -// -// Redistribution and use in source and binary forms, with or without modification, are -// permitted provided that the following conditions are met: -// -// 1. Redistributions of source code must retain the above copyright notice, this list of -// conditions and the following disclaimer. -// -// 2. Redistributions in binary form must reproduce the above copyright notice, this list -// of conditions and the following disclaimer in the documentation and/or other -// materials provided with the distribution. -// -// 3. Neither the name of the copyright holder nor the names of its contributors may be -// used to endorse or promote products derived from this software without specific -// prior written permission. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY -// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF -// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL -// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, -// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, -// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF -// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -// -// Parts of this file are originally copyright (c) 2014-2017, The Monero Project -// Parts of this file are originally copyright (c) 2012-2013, The Cryptonote developers - -#pragma once - -#include -#include -#include -#include -#include - -// NOTE: std::aligned_alloc is not supported in Microsoft C Runtime library -// because its implementation of std::free is unable to handle aligned -// allocations of any kind. Instead, MS CRT provides _aligned_malloc (to be -// freed with _aligned_free). -// https://en.cppreference.com/w/cpp/memory/c/aligned_alloc -#if defined(_MSC_VER) || defined(__MINGW64__) - #include - #define CNHH_ALIGNED_ALLOC(align, size) _aligned_malloc(size, align) - #define CNHH_ALIGNED_FREE(ptr) _aligned_free(ptr) -#else - #define CNHH_ALIGNED_ALLOC(align, size) std::aligned_alloc(align, size) - #define CNHH_ALIGNED_FREE(ptr) std::free(ptr) -#endif - -#if defined(__x86_64__) || defined(__i386__) || defined(_M_X86) || defined(_M_X64) -#define HAS_INTEL_HW -#elif defined(__aarch64__) -#define HAS_ARM_HW -#endif - -#if defined(HAS_INTEL_HW) || defined(HAS_ARM_HW) -inline bool force_software_aes() { - const char* env = getenv("OXEN_USE_SOFTWARE_AES"); - return env && strcmp(env, "0") && strcmp(env, "no"); -} -#endif -extern "C" const bool cpu_aes_enabled; - -// This cruft avoids casting-galore and allows us not to worry about sizeof(void*) -class cn_sptr { - public: - cn_sptr() : base_ptr(nullptr) {} - cn_sptr(uint64_t* ptr) { base_ptr = ptr; } - cn_sptr(uint32_t* ptr) { base_ptr = ptr; } - cn_sptr(uint8_t* ptr) { base_ptr = ptr; } - - inline void set(void* ptr) { base_ptr = ptr; } - inline cn_sptr offset(size_t i) { return reinterpret_cast(base_ptr) + i; } - inline const cn_sptr offset(size_t i) const { return reinterpret_cast(base_ptr) + i; } - - inline void* as_void() { return base_ptr; } - inline uint8_t& as_byte(size_t i) { return *(reinterpret_cast(base_ptr) + i); } - inline uint8_t* as_byte() { return reinterpret_cast(base_ptr); } - inline uint64_t& as_uqword(size_t i) { return *(reinterpret_cast(base_ptr) + i); } - inline const uint64_t& as_uqword(size_t i) const { - return *(reinterpret_cast(base_ptr) + i); - } - inline uint64_t* as_uqword() { return reinterpret_cast(base_ptr); } - inline const uint64_t* as_uqword() const { return reinterpret_cast(base_ptr); } - inline int64_t& as_qword(size_t i) { return *(reinterpret_cast(base_ptr) + i); } - inline int32_t& as_dword(size_t i) { return *(reinterpret_cast(base_ptr) + i); } - inline uint32_t& as_udword(size_t i) { return *(reinterpret_cast(base_ptr) + i); } - inline const uint32_t& as_udword(size_t i) const { - return *(reinterpret_cast(base_ptr) + i); - } - - private: - void* base_ptr; -}; - -template -class cn_heavy_hash; -using cn_heavy_hash_v1 = cn_heavy_hash<2 * 1024 * 1024, 0x80000, 0>; -using cn_heavy_hash_v2 = cn_heavy_hash<4 * 1024 * 1024, 0x40000, 1>; - -template -class cn_heavy_hash { - public: - cn_heavy_hash() : borrowed_pad(false) { - lpad.set(CNHH_ALIGNED_ALLOC(4096, MEMORY)); - spad.set(CNHH_ALIGNED_ALLOC(4096, 4096)); - } - - // Factory function enabling to temporaliy turn v2 object into v1 - // It is caller's responsibility to ensure that v2 object is not hashing at the same time!! - static cn_heavy_hash_v1 make_borrowed(cn_heavy_hash_v2& t) { - return {t.lpad.as_void(), t.spad.as_void()}; - } - - // Disable copy/move ctors; copying, in particular, is going to be really inefficient and we - // don't need to move it anywhere in OXEN code anyway. - cn_heavy_hash(const cn_heavy_hash& other) = delete; - cn_heavy_hash(cn_heavy_hash&& other) = delete; - cn_heavy_hash& operator=(const cn_heavy_hash& other) = delete; - cn_heavy_hash& operator=(cn_heavy_hash&& other) = delete; - - ~cn_heavy_hash() { free_mem(); } - - void hash(const void* in, size_t len, void* out, bool prehashed = false) { - if (cpu_aes_enabled) - hardware_hash(in, len, out, prehashed); - else - software_hash(in, len, out, prehashed); - } - - void software_hash(const void* in, size_t len, void* out, bool prehashed); - -#if !defined(HAS_INTEL_HW) && !defined(HAS_ARM_HW) - inline void hardware_hash(const void* in, size_t len, void* out, bool prehashed) { - assert(false); - } -#else - void hardware_hash(const void* in, size_t len, void* out, bool prehashed); -#endif - - private: - static constexpr size_t MASK = ((MEMORY - 1) >> 4) << 4; - friend cn_heavy_hash_v1; - friend cn_heavy_hash_v2; - - // Constructor enabling v1 hash to borrow v2's buffer - cn_heavy_hash(void* lptr, void* sptr) { - lpad.set(lptr); - spad.set(sptr); - borrowed_pad = true; - } - - inline void free_mem() { - if (!borrowed_pad) { - if (lpad.as_void() != nullptr) - CNHH_ALIGNED_FREE(lpad.as_void()); - if (lpad.as_void() != nullptr) - CNHH_ALIGNED_FREE(spad.as_void()); - } - - lpad.set(nullptr); - spad.set(nullptr); - } - - inline cn_sptr scratchpad_ptr(uint32_t idx) { - return lpad.as_byte() + (idx & MASK); - } - -#if !defined(HAS_INTEL_HW) && !defined(HAS_ARM_HW) - inline void explode_scratchpad_hard() { - assert(false); - } - inline void implode_scratchpad_hard() { - assert(false); - } -#else - void explode_scratchpad_hard(); - void implode_scratchpad_hard(); -#endif - - void explode_scratchpad_soft(); - void implode_scratchpad_soft(); - - cn_sptr lpad; - cn_sptr spad; - bool borrowed_pad; -}; - -extern template class cn_heavy_hash<2 * 1024 * 1024, 0x80000, 0>; -extern template class cn_heavy_hash<4 * 1024 * 1024, 0x40000, 1>; diff --git a/src/crypto/cn_heavy_hash_hard_arm.cpp b/src/crypto/cn_heavy_hash_hard_arm.cpp deleted file mode 100644 index 55367f8..0000000 --- a/src/crypto/cn_heavy_hash_hard_arm.cpp +++ /dev/null @@ -1,413 +0,0 @@ -// Copyright (c) 2017, SUMOKOIN -// -// All rights reserved. -// -// Redistribution and use in source and binary forms, with or without modification, are -// permitted provided that the following conditions are met: -// -// 1. Redistributions of source code must retain the above copyright notice, this list of -// conditions and the following disclaimer. -// -// 2. Redistributions in binary form must reproduce the above copyright notice, this list -// of conditions and the following disclaimer in the documentation and/or other -// materials provided with the distribution. -// -// 3. Neither the name of the copyright holder nor the names of its contributors may be -// used to endorse or promote products derived from this software without specific -// prior written permission. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY -// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF -// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL -// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, -// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, -// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF -// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -// -// Parts of this file are originally copyright (c) 2014-2017, The Monero Project -// Parts of this file are originally copyright (c) 2012-2013, The Cryptonote developers - -#if defined(__aarch64__) - -#include "cn_heavy_hash.hpp" -extern "C" { -#include "jh.h" -#include "keccak.h" -#include "skein.h" -} - -#if !defined(__APPLE__) -#include -#include -#endif -#include - -static bool hw_check_aes() { -#if !defined(__APPLE__) - return (getauxval(AT_HWCAP) & HWCAP_AES) != 0; -#else - return true; -#endif -} - -extern "C" const bool cpu_aes_enabled = hw_check_aes() && !force_software_aes(); - -extern const uint8_t saes_sbox[256]; - -struct aeskeydata { - uint32_t x0; - uint32_t x1; - uint32_t x2; - uint32_t x3; - - aeskeydata(const uint8_t* memory) { - const uint32_t* mem = reinterpret_cast(memory); - x0 = mem[0]; - x1 = mem[1]; - x2 = mem[2]; - x3 = mem[3]; - } - - inline uint8x16_t store() { - uint32x4_t tmp = {x0, x1, x2, x3}; - return vreinterpretq_u8_u32(tmp); - } - - inline aeskeydata& operator^=(uint32_t rhs) noexcept { - x0 ^= rhs; - x1 ^= rhs; - x2 ^= rhs; - x3 ^= rhs; - return *this; - } -}; - -// sl_xor(a1 a2 a3 a4) = a1 (a2^a1) (a3^a2^a1) (a4^a3^a2^a1) -inline void sl_xor(aeskeydata& x) { - x.x1 ^= x.x0; - x.x2 ^= x.x1; - x.x3 ^= x.x2; -} - -inline uint32_t sub_word(uint32_t key) { - return (saes_sbox[key >> 24] << 24) | (saes_sbox[(key >> 16) & 0xff] << 16) | - (saes_sbox[(key >> 8) & 0xff] << 8) | saes_sbox[key & 0xff]; -} - -inline uint32_t rotr(uint32_t value, uint32_t amount) { - return (value >> amount) | (value << ((32 - amount) & 31)); -} - -template -inline void soft_aes_genkey_sub(aeskeydata& xout0, aeskeydata& xout2) { - uint32_t tmp; - sl_xor(xout0); - xout0 ^= rotr(sub_word(xout2.x3), 8) ^ rcon; - sl_xor(xout2); - xout2 ^= sub_word(xout0.x3); -} - -inline void aes_genkey( - const uint8_t* memory, - uint8x16_t& k0, - uint8x16_t& k1, - uint8x16_t& k2, - uint8x16_t& k3, - uint8x16_t& k4, - uint8x16_t& k5, - uint8x16_t& k6, - uint8x16_t& k7, - uint8x16_t& k8, - uint8x16_t& k9) { - aeskeydata xout0(memory); - aeskeydata xout2(memory + 16); - - k0 = xout0.store(); - k1 = xout2.store(); - - soft_aes_genkey_sub<0x01>(xout0, xout2); - k2 = xout0.store(); - k3 = xout2.store(); - - soft_aes_genkey_sub<0x02>(xout0, xout2); - k4 = xout0.store(); - k5 = xout2.store(); - - soft_aes_genkey_sub<0x04>(xout0, xout2); - k6 = xout0.store(); - k7 = xout2.store(); - - soft_aes_genkey_sub<0x08>(xout0, xout2); - k8 = xout0.store(); - k9 = xout2.store(); -} - -inline void aes_round10( - uint8x16_t& x, - const uint8x16_t& k0, - const uint8x16_t& k1, - const uint8x16_t& k2, - const uint8x16_t& k3, - const uint8x16_t& k4, - const uint8x16_t& k5, - const uint8x16_t& k6, - const uint8x16_t& k7, - const uint8x16_t& k8, - const uint8x16_t& k9) { - x = vaesmcq_u8(vaeseq_u8(x, vdupq_n_u8(0))); - x = vaesmcq_u8(vaeseq_u8(x, k0)); - x = vaesmcq_u8(vaeseq_u8(x, k1)); - x = vaesmcq_u8(vaeseq_u8(x, k2)); - x = vaesmcq_u8(vaeseq_u8(x, k3)); - x = vaesmcq_u8(vaeseq_u8(x, k4)); - x = vaesmcq_u8(vaeseq_u8(x, k5)); - x = vaesmcq_u8(vaeseq_u8(x, k6)); - x = vaesmcq_u8(vaeseq_u8(x, k7)); - x = vaesmcq_u8(vaeseq_u8(x, k8)); - x = veorq_u8(x, k9); -} - -inline void xor_shift( - uint8x16_t& x0, - uint8x16_t& x1, - uint8x16_t& x2, - uint8x16_t& x3, - uint8x16_t& x4, - uint8x16_t& x5, - uint8x16_t& x6, - uint8x16_t& x7) { - uint8x16_t tmp0 = x0; - x0 ^= x1; - x1 ^= x2; - x2 ^= x3; - x3 ^= x4; - x4 ^= x5; - x5 ^= x6; - x6 ^= x7; - x7 ^= tmp0; -} - -inline void mem_load( - cn_sptr& lpad, - size_t i, - uint8x16_t& x0, - uint8x16_t& x1, - uint8x16_t& x2, - uint8x16_t& x3, - uint8x16_t& x4, - uint8x16_t& x5, - uint8x16_t& x6, - uint8x16_t& x7) { - x0 ^= vld1q_u8(lpad.as_byte() + i); - x1 ^= vld1q_u8(lpad.as_byte() + i + 16); - x2 ^= vld1q_u8(lpad.as_byte() + i + 32); - x3 ^= vld1q_u8(lpad.as_byte() + i + 48); - x4 ^= vld1q_u8(lpad.as_byte() + i + 64); - x5 ^= vld1q_u8(lpad.as_byte() + i + 80); - x6 ^= vld1q_u8(lpad.as_byte() + i + 96); - x7 ^= vld1q_u8(lpad.as_byte() + i + 112); -} - -template -void cn_heavy_hash::implode_scratchpad_hard() { - uint8x16_t x0, x1, x2, x3, x4, x5, x6, x7; - uint8x16_t k0, k1, k2, k3, k4, k5, k6, k7, k8, k9; - - aes_genkey(spad.as_byte() + 32, k0, k1, k2, k3, k4, k5, k6, k7, k8, k9); - - x0 = vld1q_u8(spad.as_byte() + 64); - x1 = vld1q_u8(spad.as_byte() + 80); - x2 = vld1q_u8(spad.as_byte() + 96); - x3 = vld1q_u8(spad.as_byte() + 112); - x4 = vld1q_u8(spad.as_byte() + 128); - x5 = vld1q_u8(spad.as_byte() + 144); - x6 = vld1q_u8(spad.as_byte() + 160); - x7 = vld1q_u8(spad.as_byte() + 176); - - for (size_t i = 0; i < MEMORY; i += 128) { - mem_load(lpad, i, x0, x1, x2, x3, x4, x5, x6, x7); - - aes_round10(x0, k0, k1, k2, k3, k4, k5, k6, k7, k8, k9); - aes_round10(x1, k0, k1, k2, k3, k4, k5, k6, k7, k8, k9); - aes_round10(x2, k0, k1, k2, k3, k4, k5, k6, k7, k8, k9); - aes_round10(x3, k0, k1, k2, k3, k4, k5, k6, k7, k8, k9); - aes_round10(x4, k0, k1, k2, k3, k4, k5, k6, k7, k8, k9); - aes_round10(x5, k0, k1, k2, k3, k4, k5, k6, k7, k8, k9); - aes_round10(x6, k0, k1, k2, k3, k4, k5, k6, k7, k8, k9); - aes_round10(x7, k0, k1, k2, k3, k4, k5, k6, k7, k8, k9); - - if (VERSION > 0) - xor_shift(x0, x1, x2, x3, x4, x5, x6, x7); - } - - for (size_t i = 0; VERSION > 0 && i < MEMORY; i += 128) { - mem_load(lpad, i, x0, x1, x2, x3, x4, x5, x6, x7); - - aes_round10(x0, k0, k1, k2, k3, k4, k5, k6, k7, k8, k9); - aes_round10(x1, k0, k1, k2, k3, k4, k5, k6, k7, k8, k9); - aes_round10(x2, k0, k1, k2, k3, k4, k5, k6, k7, k8, k9); - aes_round10(x3, k0, k1, k2, k3, k4, k5, k6, k7, k8, k9); - aes_round10(x4, k0, k1, k2, k3, k4, k5, k6, k7, k8, k9); - aes_round10(x5, k0, k1, k2, k3, k4, k5, k6, k7, k8, k9); - aes_round10(x6, k0, k1, k2, k3, k4, k5, k6, k7, k8, k9); - aes_round10(x7, k0, k1, k2, k3, k4, k5, k6, k7, k8, k9); - - xor_shift(x0, x1, x2, x3, x4, x5, x6, x7); - } - - for (size_t i = 0; VERSION > 0 && i < 16; i++) { - aes_round10(x0, k0, k1, k2, k3, k4, k5, k6, k7, k8, k9); - aes_round10(x1, k0, k1, k2, k3, k4, k5, k6, k7, k8, k9); - aes_round10(x2, k0, k1, k2, k3, k4, k5, k6, k7, k8, k9); - aes_round10(x3, k0, k1, k2, k3, k4, k5, k6, k7, k8, k9); - aes_round10(x4, k0, k1, k2, k3, k4, k5, k6, k7, k8, k9); - aes_round10(x5, k0, k1, k2, k3, k4, k5, k6, k7, k8, k9); - aes_round10(x6, k0, k1, k2, k3, k4, k5, k6, k7, k8, k9); - aes_round10(x7, k0, k1, k2, k3, k4, k5, k6, k7, k8, k9); - - xor_shift(x0, x1, x2, x3, x4, x5, x6, x7); - } - - vst1q_u8(spad.as_byte() + 64, x0); - vst1q_u8(spad.as_byte() + 80, x1); - vst1q_u8(spad.as_byte() + 96, x2); - vst1q_u8(spad.as_byte() + 112, x3); - vst1q_u8(spad.as_byte() + 128, x4); - vst1q_u8(spad.as_byte() + 144, x5); - vst1q_u8(spad.as_byte() + 160, x6); - vst1q_u8(spad.as_byte() + 176, x7); -} - -template -void cn_heavy_hash::explode_scratchpad_hard() { - uint8x16_t x0, x1, x2, x3, x4, x5, x6, x7; - uint8x16_t k0, k1, k2, k3, k4, k5, k6, k7, k8, k9; - - aes_genkey(spad.as_byte(), k0, k1, k2, k3, k4, k5, k6, k7, k8, k9); - - x0 = vld1q_u8(spad.as_byte() + 64); - x1 = vld1q_u8(spad.as_byte() + 80); - x2 = vld1q_u8(spad.as_byte() + 96); - x3 = vld1q_u8(spad.as_byte() + 112); - x4 = vld1q_u8(spad.as_byte() + 128); - x5 = vld1q_u8(spad.as_byte() + 144); - x6 = vld1q_u8(spad.as_byte() + 160); - x7 = vld1q_u8(spad.as_byte() + 176); - - for (size_t i = 0; VERSION > 0 && i < 16; i++) { - aes_round10(x0, k0, k1, k2, k3, k4, k5, k6, k7, k8, k9); - aes_round10(x1, k0, k1, k2, k3, k4, k5, k6, k7, k8, k9); - aes_round10(x2, k0, k1, k2, k3, k4, k5, k6, k7, k8, k9); - aes_round10(x3, k0, k1, k2, k3, k4, k5, k6, k7, k8, k9); - aes_round10(x4, k0, k1, k2, k3, k4, k5, k6, k7, k8, k9); - aes_round10(x5, k0, k1, k2, k3, k4, k5, k6, k7, k8, k9); - aes_round10(x6, k0, k1, k2, k3, k4, k5, k6, k7, k8, k9); - aes_round10(x7, k0, k1, k2, k3, k4, k5, k6, k7, k8, k9); - - xor_shift(x0, x1, x2, x3, x4, x5, x6, x7); - } - - for (size_t i = 0; i < MEMORY; i += 128) { - aes_round10(x0, k0, k1, k2, k3, k4, k5, k6, k7, k8, k9); - aes_round10(x1, k0, k1, k2, k3, k4, k5, k6, k7, k8, k9); - aes_round10(x2, k0, k1, k2, k3, k4, k5, k6, k7, k8, k9); - aes_round10(x3, k0, k1, k2, k3, k4, k5, k6, k7, k8, k9); - aes_round10(x4, k0, k1, k2, k3, k4, k5, k6, k7, k8, k9); - aes_round10(x5, k0, k1, k2, k3, k4, k5, k6, k7, k8, k9); - aes_round10(x6, k0, k1, k2, k3, k4, k5, k6, k7, k8, k9); - aes_round10(x7, k0, k1, k2, k3, k4, k5, k6, k7, k8, k9); - - vst1q_u8(lpad.as_byte() + i, x0); - vst1q_u8(lpad.as_byte() + i + 16, x1); - vst1q_u8(lpad.as_byte() + i + 32, x2); - vst1q_u8(lpad.as_byte() + i + 48, x3); - vst1q_u8(lpad.as_byte() + i + 64, x4); - vst1q_u8(lpad.as_byte() + i + 80, x5); - vst1q_u8(lpad.as_byte() + i + 96, x6); - vst1q_u8(lpad.as_byte() + i + 112, x7); - } -} - -inline uint64_t _umul128(uint64_t a, uint64_t b, uint64_t* hi) { - unsigned __int128 r = (unsigned __int128)a * (unsigned __int128)b; - *hi = r >> 64; - return (uint64_t)r; -} - -extern "C" void blake256_hash(uint8_t*, const uint8_t*, uint64_t); -extern "C" void groestl(const unsigned char*, unsigned long long, unsigned char*); - -inline uint8x16_t _mm_set_epi64x(const uint64_t a, const uint64_t b) { - return vreinterpretq_u8_u64(vcombine_u64(vcreate_u64(b), vcreate_u64(a))); -} - -template -void cn_heavy_hash::hardware_hash( - const void* in, size_t len, void* out, bool prehashed) { - if (!prehashed) - keccak((const uint8_t*)in, len, spad.as_byte(), 200); - - explode_scratchpad_hard(); - - uint64_t* h0 = spad.as_uqword(); - - uint64_t al0 = h0[0] ^ h0[4]; - uint64_t ah0 = h0[1] ^ h0[5]; - uint8x16_t bx0 = _mm_set_epi64x(h0[3] ^ h0[7], h0[2] ^ h0[6]); - - uint64_t idx0 = h0[0] ^ h0[4]; - - const uint8x16_t zero = vdupq_n_u8(0); - // Optim - 90% time boundary - for (size_t i = 0; i < ITER; i++) { - uint8x16_t cx; - cx = vld1q_u8(scratchpad_ptr(idx0).as_byte()); - - cx = vaesmcq_u8(vaeseq_u8(cx, zero)) ^ _mm_set_epi64x(ah0, al0); - - vst1q_u8(scratchpad_ptr(idx0).as_byte(), bx0 ^ cx); - - idx0 = vgetq_lane_u64(vreinterpretq_u64_u8(cx), 0); - bx0 = cx; - - uint64_t hi, lo, cl, ch; - cl = scratchpad_ptr(idx0).as_uqword(0); - ch = scratchpad_ptr(idx0).as_uqword(1); - - lo = _umul128(idx0, cl, &hi); - - al0 += hi; - ah0 += lo; - scratchpad_ptr(idx0).as_uqword(0) = al0; - scratchpad_ptr(idx0).as_uqword(1) = ah0; - ah0 ^= ch; - al0 ^= cl; - idx0 = al0; - - if (VERSION > 0) { - int64_t n = scratchpad_ptr(idx0).as_qword(0); - int32_t d = scratchpad_ptr(idx0).as_dword(2); - int64_t q = n / (d | 5); - scratchpad_ptr(idx0).as_qword(0) = n ^ q; - idx0 = d ^ q; - } - } - - implode_scratchpad_hard(); - - keccakf(spad.as_uqword(), 24); - - switch (spad.as_byte(0) & 3) { - case 0: blake256_hash((uint8_t*)out, spad.as_byte(), 200); break; - case 1: groestl(spad.as_byte(), 200 * 8, (uint8_t*)out); break; - case 2: jh_hash(32 * 8, spad.as_byte(), 8 * 200, (uint8_t*)out); break; - case 3: skein_hash(8 * 32, spad.as_byte(), 8 * 200, (uint8_t*)out); break; - } -} - -template class cn_heavy_hash<2 * 1024 * 1024, 0x80000, 0>; -template class cn_heavy_hash<4 * 1024 * 1024, 0x40000, 1>; - -#endif diff --git a/src/crypto/cn_heavy_hash_hard_intel.cpp b/src/crypto/cn_heavy_hash_hard_intel.cpp deleted file mode 100644 index cc2ae80..0000000 --- a/src/crypto/cn_heavy_hash_hard_intel.cpp +++ /dev/null @@ -1,436 +0,0 @@ -// Copyright (c) 2017, SUMOKOIN -// -// All rights reserved. -// -// Redistribution and use in source and binary forms, with or without modification, are -// permitted provided that the following conditions are met: -// -// 1. Redistributions of source code must retain the above copyright notice, this list of -// conditions and the following disclaimer. -// -// 2. Redistributions in binary form must reproduce the above copyright notice, this list -// of conditions and the following disclaimer in the documentation and/or other -// materials provided with the distribution. -// -// 3. Neither the name of the copyright holder nor the names of its contributors may be -// used to endorse or promote products derived from this software without specific -// prior written permission. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY -// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF -// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL -// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, -// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, -// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF -// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -// -// Parts of this file are originally copyright (c) 2014-2017, The Monero Project -// Parts of this file are originally copyright (c) 2012-2013, The Cryptonote developers - -#if defined(__x86_64__) || defined(__i386__) || defined(_M_X86) || defined(_M_X64) - -#ifdef __GNUC__ -#include -#endif - -#include "cn_heavy_hash.hpp" - -extern "C" { -#include "jh.h" -#include "keccak.h" -#include "skein.h" -} - -#if defined(_WIN32) || defined(_WIN64) -#include -#include -#define HAS_WIN_INTRIN_API -#else -#include -#endif - -static bool hw_check_aes() { - int32_t cpu_info[4] = {0}; - -#if defined(HAS_WIN_INTRIN_API) - __cpuidex(cpu_info, 1, 0); -#else - __cpuid_count(1, 0, cpu_info[0], cpu_info[1], cpu_info[2], cpu_info[3]); -#endif - return (cpu_info[2] & (1 << 25)) != 0; -} - -extern "C" const bool cpu_aes_enabled = hw_check_aes() && !force_software_aes(); - -#if !defined(_LP64) && !defined(_WIN64) -#define BUILD32 -#endif - -// sl_xor(a1 a2 a3 a4) = a1 (a2^a1) (a3^a2^a1) (a4^a3^a2^a1) -inline __m128i sl_xor(__m128i tmp1) { - __m128i tmp4; - tmp4 = _mm_slli_si128(tmp1, 0x04); - tmp1 = _mm_xor_si128(tmp1, tmp4); - tmp4 = _mm_slli_si128(tmp4, 0x04); - tmp1 = _mm_xor_si128(tmp1, tmp4); - tmp4 = _mm_slli_si128(tmp4, 0x04); - tmp1 = _mm_xor_si128(tmp1, tmp4); - return tmp1; -} - -template -inline void aes_genkey_sub(__m128i& xout0, __m128i& xout2) { - __m128i xout1 = _mm_aeskeygenassist_si128(xout2, rcon); - xout1 = _mm_shuffle_epi32(xout1, 0xFF); - xout0 = sl_xor(xout0); - xout0 = _mm_xor_si128(xout0, xout1); - xout1 = _mm_aeskeygenassist_si128(xout0, 0x00); - xout1 = _mm_shuffle_epi32(xout1, 0xAA); - xout2 = sl_xor(xout2); - xout2 = _mm_xor_si128(xout2, xout1); -} - -inline void aes_genkey( - const __m128i* memory, - __m128i& k0, - __m128i& k1, - __m128i& k2, - __m128i& k3, - __m128i& k4, - __m128i& k5, - __m128i& k6, - __m128i& k7, - __m128i& k8, - __m128i& k9) { - __m128i xout0, xout2; - - xout0 = _mm_load_si128(memory); - xout2 = _mm_load_si128(memory + 1); - k0 = xout0; - k1 = xout2; - - aes_genkey_sub<0x01>(xout0, xout2); - k2 = xout0; - k3 = xout2; - - aes_genkey_sub<0x02>(xout0, xout2); - k4 = xout0; - k5 = xout2; - - aes_genkey_sub<0x04>(xout0, xout2); - k6 = xout0; - k7 = xout2; - - aes_genkey_sub<0x08>(xout0, xout2); - k8 = xout0; - k9 = xout2; -} - -inline void aes_round8( - const __m128i& key, - __m128i& x0, - __m128i& x1, - __m128i& x2, - __m128i& x3, - __m128i& x4, - __m128i& x5, - __m128i& x6, - __m128i& x7) { - x0 = _mm_aesenc_si128(x0, key); - x1 = _mm_aesenc_si128(x1, key); - x2 = _mm_aesenc_si128(x2, key); - x3 = _mm_aesenc_si128(x3, key); - x4 = _mm_aesenc_si128(x4, key); - x5 = _mm_aesenc_si128(x5, key); - x6 = _mm_aesenc_si128(x6, key); - x7 = _mm_aesenc_si128(x7, key); -} - -inline void xor_shift( - __m128i& x0, - __m128i& x1, - __m128i& x2, - __m128i& x3, - __m128i& x4, - __m128i& x5, - __m128i& x6, - __m128i& x7) { - __m128i tmp0 = x0; - x0 = _mm_xor_si128(x0, x1); - x1 = _mm_xor_si128(x1, x2); - x2 = _mm_xor_si128(x2, x3); - x3 = _mm_xor_si128(x3, x4); - x4 = _mm_xor_si128(x4, x5); - x5 = _mm_xor_si128(x5, x6); - x6 = _mm_xor_si128(x6, x7); - x7 = _mm_xor_si128(x7, tmp0); -} - -static inline __m128i* as_xmm(cn_sptr& x) { - return reinterpret_cast<__m128i*>(x.as_void()); -} -static inline __m128i* as_xmm(cn_sptr&& x) { - return reinterpret_cast<__m128i*>(x.as_void()); -} - -template -void cn_heavy_hash::implode_scratchpad_hard() { - __m128i x0, x1, x2, x3, x4, x5, x6, x7; - __m128i k0, k1, k2, k3, k4, k5, k6, k7, k8, k9; - - aes_genkey(as_xmm(spad) + 2, k0, k1, k2, k3, k4, k5, k6, k7, k8, k9); - - x0 = _mm_load_si128(as_xmm(spad) + 4); - x1 = _mm_load_si128(as_xmm(spad) + 5); - x2 = _mm_load_si128(as_xmm(spad) + 6); - x3 = _mm_load_si128(as_xmm(spad) + 7); - x4 = _mm_load_si128(as_xmm(spad) + 8); - x5 = _mm_load_si128(as_xmm(spad) + 9); - x6 = _mm_load_si128(as_xmm(spad) + 10); - x7 = _mm_load_si128(as_xmm(spad) + 11); - - for (size_t i = 0; i < MEMORY / sizeof(__m128i); i += 8) { - x0 = _mm_xor_si128(_mm_load_si128(as_xmm(lpad) + i + 0), x0); - x1 = _mm_xor_si128(_mm_load_si128(as_xmm(lpad) + i + 1), x1); - x2 = _mm_xor_si128(_mm_load_si128(as_xmm(lpad) + i + 2), x2); - x3 = _mm_xor_si128(_mm_load_si128(as_xmm(lpad) + i + 3), x3); - x4 = _mm_xor_si128(_mm_load_si128(as_xmm(lpad) + i + 4), x4); - x5 = _mm_xor_si128(_mm_load_si128(as_xmm(lpad) + i + 5), x5); - x6 = _mm_xor_si128(_mm_load_si128(as_xmm(lpad) + i + 6), x6); - x7 = _mm_xor_si128(_mm_load_si128(as_xmm(lpad) + i + 7), x7); - - aes_round8(k0, x0, x1, x2, x3, x4, x5, x6, x7); - aes_round8(k1, x0, x1, x2, x3, x4, x5, x6, x7); - aes_round8(k2, x0, x1, x2, x3, x4, x5, x6, x7); - aes_round8(k3, x0, x1, x2, x3, x4, x5, x6, x7); - aes_round8(k4, x0, x1, x2, x3, x4, x5, x6, x7); - aes_round8(k5, x0, x1, x2, x3, x4, x5, x6, x7); - aes_round8(k6, x0, x1, x2, x3, x4, x5, x6, x7); - aes_round8(k7, x0, x1, x2, x3, x4, x5, x6, x7); - aes_round8(k8, x0, x1, x2, x3, x4, x5, x6, x7); - aes_round8(k9, x0, x1, x2, x3, x4, x5, x6, x7); - - if (VERSION > 0) - xor_shift(x0, x1, x2, x3, x4, x5, x6, x7); - } - - for (size_t i = 0; VERSION > 0 && i < MEMORY / sizeof(__m128i); i += 8) { - x0 = _mm_xor_si128(_mm_load_si128(as_xmm(lpad) + i + 0), x0); - x1 = _mm_xor_si128(_mm_load_si128(as_xmm(lpad) + i + 1), x1); - x2 = _mm_xor_si128(_mm_load_si128(as_xmm(lpad) + i + 2), x2); - x3 = _mm_xor_si128(_mm_load_si128(as_xmm(lpad) + i + 3), x3); - x4 = _mm_xor_si128(_mm_load_si128(as_xmm(lpad) + i + 4), x4); - x5 = _mm_xor_si128(_mm_load_si128(as_xmm(lpad) + i + 5), x5); - x6 = _mm_xor_si128(_mm_load_si128(as_xmm(lpad) + i + 6), x6); - x7 = _mm_xor_si128(_mm_load_si128(as_xmm(lpad) + i + 7), x7); - - aes_round8(k0, x0, x1, x2, x3, x4, x5, x6, x7); - aes_round8(k1, x0, x1, x2, x3, x4, x5, x6, x7); - aes_round8(k2, x0, x1, x2, x3, x4, x5, x6, x7); - aes_round8(k3, x0, x1, x2, x3, x4, x5, x6, x7); - aes_round8(k4, x0, x1, x2, x3, x4, x5, x6, x7); - aes_round8(k5, x0, x1, x2, x3, x4, x5, x6, x7); - aes_round8(k6, x0, x1, x2, x3, x4, x5, x6, x7); - aes_round8(k7, x0, x1, x2, x3, x4, x5, x6, x7); - aes_round8(k8, x0, x1, x2, x3, x4, x5, x6, x7); - aes_round8(k9, x0, x1, x2, x3, x4, x5, x6, x7); - - xor_shift(x0, x1, x2, x3, x4, x5, x6, x7); - } - - for (size_t i = 0; VERSION > 0 && i < 16; i++) { - aes_round8(k0, x0, x1, x2, x3, x4, x5, x6, x7); - aes_round8(k1, x0, x1, x2, x3, x4, x5, x6, x7); - aes_round8(k2, x0, x1, x2, x3, x4, x5, x6, x7); - aes_round8(k3, x0, x1, x2, x3, x4, x5, x6, x7); - aes_round8(k4, x0, x1, x2, x3, x4, x5, x6, x7); - aes_round8(k5, x0, x1, x2, x3, x4, x5, x6, x7); - aes_round8(k6, x0, x1, x2, x3, x4, x5, x6, x7); - aes_round8(k7, x0, x1, x2, x3, x4, x5, x6, x7); - aes_round8(k8, x0, x1, x2, x3, x4, x5, x6, x7); - aes_round8(k9, x0, x1, x2, x3, x4, x5, x6, x7); - - xor_shift(x0, x1, x2, x3, x4, x5, x6, x7); - } - - _mm_store_si128(as_xmm(spad) + 4, x0); - _mm_store_si128(as_xmm(spad) + 5, x1); - _mm_store_si128(as_xmm(spad) + 6, x2); - _mm_store_si128(as_xmm(spad) + 7, x3); - _mm_store_si128(as_xmm(spad) + 8, x4); - _mm_store_si128(as_xmm(spad) + 9, x5); - _mm_store_si128(as_xmm(spad) + 10, x6); - _mm_store_si128(as_xmm(spad) + 11, x7); -} - -template -void cn_heavy_hash::explode_scratchpad_hard() { - __m128i x0, x1, x2, x3, x4, x5, x6, x7; - __m128i k0, k1, k2, k3, k4, k5, k6, k7, k8, k9; - - aes_genkey(as_xmm(spad), k0, k1, k2, k3, k4, k5, k6, k7, k8, k9); - - x0 = _mm_load_si128(as_xmm(spad) + 4); - x1 = _mm_load_si128(as_xmm(spad) + 5); - x2 = _mm_load_si128(as_xmm(spad) + 6); - x3 = _mm_load_si128(as_xmm(spad) + 7); - x4 = _mm_load_si128(as_xmm(spad) + 8); - x5 = _mm_load_si128(as_xmm(spad) + 9); - x6 = _mm_load_si128(as_xmm(spad) + 10); - x7 = _mm_load_si128(as_xmm(spad) + 11); - - for (size_t i = 0; VERSION > 0 && i < 16; i++) { - aes_round8(k0, x0, x1, x2, x3, x4, x5, x6, x7); - aes_round8(k1, x0, x1, x2, x3, x4, x5, x6, x7); - aes_round8(k2, x0, x1, x2, x3, x4, x5, x6, x7); - aes_round8(k3, x0, x1, x2, x3, x4, x5, x6, x7); - aes_round8(k4, x0, x1, x2, x3, x4, x5, x6, x7); - aes_round8(k5, x0, x1, x2, x3, x4, x5, x6, x7); - aes_round8(k6, x0, x1, x2, x3, x4, x5, x6, x7); - aes_round8(k7, x0, x1, x2, x3, x4, x5, x6, x7); - aes_round8(k8, x0, x1, x2, x3, x4, x5, x6, x7); - aes_round8(k9, x0, x1, x2, x3, x4, x5, x6, x7); - - xor_shift(x0, x1, x2, x3, x4, x5, x6, x7); - } - - for (size_t i = 0; i < MEMORY / sizeof(__m128i); i += 8) { - aes_round8(k0, x0, x1, x2, x3, x4, x5, x6, x7); - aes_round8(k1, x0, x1, x2, x3, x4, x5, x6, x7); - aes_round8(k2, x0, x1, x2, x3, x4, x5, x6, x7); - aes_round8(k3, x0, x1, x2, x3, x4, x5, x6, x7); - aes_round8(k4, x0, x1, x2, x3, x4, x5, x6, x7); - aes_round8(k5, x0, x1, x2, x3, x4, x5, x6, x7); - aes_round8(k6, x0, x1, x2, x3, x4, x5, x6, x7); - aes_round8(k7, x0, x1, x2, x3, x4, x5, x6, x7); - aes_round8(k8, x0, x1, x2, x3, x4, x5, x6, x7); - aes_round8(k9, x0, x1, x2, x3, x4, x5, x6, x7); - - _mm_store_si128(as_xmm(lpad) + i + 0, x0); - _mm_store_si128(as_xmm(lpad) + i + 1, x1); - _mm_store_si128(as_xmm(lpad) + i + 2, x2); - _mm_store_si128(as_xmm(lpad) + i + 3, x3); - _mm_store_si128(as_xmm(lpad) + i + 4, x4); - _mm_store_si128(as_xmm(lpad) + i + 5, x5); - _mm_store_si128(as_xmm(lpad) + i + 6, x6); - _mm_store_si128(as_xmm(lpad) + i + 7, x7); - } -} - -#ifdef BUILD32 -inline uint64_t _umul128(uint64_t multiplier, uint64_t multiplicand, uint64_t* product_hi) { - // multiplier = ab = a * 2^32 + b - // multiplicand = cd = c * 2^32 + d - // ab * cd = a * c * 2^64 + (a * d + b * c) * 2^32 + b * d - uint64_t a = multiplier >> 32; - uint64_t b = multiplier & 0xFFFFFFFF; - uint64_t c = multiplicand >> 32; - uint64_t d = multiplicand & 0xFFFFFFFF; - - uint64_t ac = a * c; - uint64_t ad = a * d; - uint64_t bc = b * c; - uint64_t bd = b * d; - - uint64_t adbc = ad + bc; - uint64_t adbc_carry = adbc < ad ? 1 : 0; - - // multiplier * multiplicand = product_hi * 2^64 + product_lo - uint64_t product_lo = bd + (adbc << 32); - uint64_t product_lo_carry = product_lo < bd ? 1 : 0; - *product_hi = ac + (adbc >> 32) + (adbc_carry << 32) + product_lo_carry; - - return product_lo; -} -#else -#if !defined(HAS_WIN_INTRIN_API) -inline uint64_t _umul128(uint64_t a, uint64_t b, uint64_t* hi) { - unsigned __int128 r = (unsigned __int128)a * (unsigned __int128)b; - *hi = r >> 64; - return (uint64_t)r; -} -#endif -#endif - -extern "C" void blake256_hash(uint8_t*, const uint8_t*, uint64_t); -extern "C" void groestl(const unsigned char*, unsigned long long, unsigned char*); - -inline uint64_t xmm_extract_64(__m128i x) { -#ifdef BUILD32 - uint64_t r = uint32_t(_mm_cvtsi128_si32(_mm_shuffle_epi32(x, _MM_SHUFFLE(1, 1, 1, 1)))); - r <<= 32; - r |= uint32_t(_mm_cvtsi128_si32(x)); - return r; -#else - return _mm_cvtsi128_si64(x); -#endif -} - -template -void cn_heavy_hash::hardware_hash( - const void* in, size_t len, void* out, bool prehashed) { - if (!prehashed) - keccak((const uint8_t*)in, len, spad.as_byte(), 200); - - explode_scratchpad_hard(); - - uint64_t* h0 = spad.as_uqword(); - - uint64_t al0 = h0[0] ^ h0[4]; - uint64_t ah0 = h0[1] ^ h0[5]; - __m128i bx0 = _mm_set_epi64x(h0[3] ^ h0[7], h0[2] ^ h0[6]); - - uint64_t idx0 = h0[0] ^ h0[4]; - - // Optim - 90% time boundary - for (size_t i = 0; i < ITER; i++) { - __m128i cx; - cx = _mm_load_si128(as_xmm(scratchpad_ptr(idx0))); - - cx = _mm_aesenc_si128(cx, _mm_set_epi64x(ah0, al0)); - - _mm_store_si128(as_xmm(scratchpad_ptr(idx0)), _mm_xor_si128(bx0, cx)); - idx0 = xmm_extract_64(cx); - bx0 = cx; - - uint64_t hi, lo, cl, ch; - cl = scratchpad_ptr(idx0).as_uqword(0); - ch = scratchpad_ptr(idx0).as_uqword(1); - - lo = _umul128(idx0, cl, &hi); - - al0 += hi; - ah0 += lo; - scratchpad_ptr(idx0).as_uqword(0) = al0; - scratchpad_ptr(idx0).as_uqword(1) = ah0; - ah0 ^= ch; - al0 ^= cl; - idx0 = al0; - - if (VERSION > 0) { - int64_t n = scratchpad_ptr(idx0).as_qword(0); - int32_t d = scratchpad_ptr(idx0).as_dword(2); - int64_t q = n / (d | 5); - scratchpad_ptr(idx0).as_qword(0) = n ^ q; - idx0 = d ^ q; - } - } - - implode_scratchpad_hard(); - - keccakf(spad.as_uqword(), 24); - - switch (spad.as_byte(0) & 3) { - case 0: blake256_hash((uint8_t*)out, spad.as_byte(), 200); break; - case 1: groestl(spad.as_byte(), 200 * 8, (uint8_t*)out); break; - case 2: jh_hash(32 * 8, spad.as_byte(), 8 * 200, (uint8_t*)out); break; - case 3: skein_hash(8 * 32, spad.as_byte(), 8 * 200, (uint8_t*)out); break; - } -} - -template class cn_heavy_hash<2 * 1024 * 1024, 0x80000, 0>; -template class cn_heavy_hash<4 * 1024 * 1024, 0x40000, 1>; - -#endif diff --git a/src/crypto/cn_heavy_hash_soft.cpp b/src/crypto/cn_heavy_hash_soft.cpp deleted file mode 100644 index 9067782..0000000 --- a/src/crypto/cn_heavy_hash_soft.cpp +++ /dev/null @@ -1,571 +0,0 @@ -// Copyright (c) 2017, SUMOKOIN -// -// All rights reserved. -// -// Redistribution and use in source and binary forms, with or without modification, are -// permitted provided that the following conditions are met: -// -// 1. Redistributions of source code must retain the above copyright notice, this list of -// conditions and the following disclaimer. -// -// 2. Redistributions in binary form must reproduce the above copyright notice, this list -// of conditions and the following disclaimer in the documentation and/or other -// materials provided with the distribution. -// -// 3. Neither the name of the copyright holder nor the names of its contributors may be -// used to endorse or promote products derived from this software without specific -// prior written permission. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY -// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF -// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL -// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, -// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, -// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF -// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -// -// Parts of this file are originally copyright (c) 2012-2013, The Cryptonote developers - -#include "cn_heavy_hash.hpp" -extern "C" { -#include "jh.h" -#include "keccak.h" -#include "skein.h" -#include "stdlib.h" -#if !defined(__clang__) && defined(HAS_INTEL_HW) -#include -#endif -} - -#if !defined(HAS_INTEL_HW) && !defined(HAS_ARM_HW) -extern "C" const bool cpu_aes_enabled = false; -#endif - -/* -AES Tables Implementation is ---------------------------------------------------------------------------- -Copyright (c) 1998-2013, Brian Gladman, Worcester, UK. All rights reserved. - -The redistribution and use of this software (with or without changes) -is allowed without the payment of fees or royalties provided that: - - source code distributions include the above copyright notice, this - list of conditions and the following disclaimer; - - binary distributions include the above copyright notice, this list - of conditions and the following disclaimer in their documentation. - -This software is provided 'as is' with no explicit or implied warranties -in respect of its operation, including, but not limited to, correctness -and fitness for purpose. ---------------------------------------------------------------------------- -*/ - -#if !defined(_LP64) && !defined(_WIN64) -#define BUILD32 -#endif - -#define saes_data(w) \ - { \ - w(0x63), w(0x7c), w(0x77), w(0x7b), w(0xf2), w(0x6b), w(0x6f), w(0xc5), w(0x30), w(0x01), \ - w(0x67), w(0x2b), w(0xfe), w(0xd7), w(0xab), w(0x76), w(0xca), w(0x82), w(0xc9), \ - w(0x7d), w(0xfa), w(0x59), w(0x47), w(0xf0), w(0xad), w(0xd4), w(0xa2), w(0xaf), \ - w(0x9c), w(0xa4), w(0x72), w(0xc0), w(0xb7), w(0xfd), w(0x93), w(0x26), w(0x36), \ - w(0x3f), w(0xf7), w(0xcc), w(0x34), w(0xa5), w(0xe5), w(0xf1), w(0x71), w(0xd8), \ - w(0x31), w(0x15), w(0x04), w(0xc7), w(0x23), w(0xc3), w(0x18), w(0x96), w(0x05), \ - w(0x9a), w(0x07), w(0x12), w(0x80), w(0xe2), w(0xeb), w(0x27), w(0xb2), w(0x75), \ - w(0x09), w(0x83), w(0x2c), w(0x1a), w(0x1b), w(0x6e), w(0x5a), w(0xa0), w(0x52), \ - w(0x3b), w(0xd6), w(0xb3), w(0x29), w(0xe3), w(0x2f), w(0x84), w(0x53), w(0xd1), \ - w(0x00), w(0xed), w(0x20), w(0xfc), w(0xb1), w(0x5b), w(0x6a), w(0xcb), w(0xbe), \ - w(0x39), w(0x4a), w(0x4c), w(0x58), w(0xcf), w(0xd0), w(0xef), w(0xaa), w(0xfb), \ - w(0x43), w(0x4d), w(0x33), w(0x85), w(0x45), w(0xf9), w(0x02), w(0x7f), w(0x50), \ - w(0x3c), w(0x9f), w(0xa8), w(0x51), w(0xa3), w(0x40), w(0x8f), w(0x92), w(0x9d), \ - w(0x38), w(0xf5), w(0xbc), w(0xb6), w(0xda), w(0x21), w(0x10), w(0xff), w(0xf3), \ - w(0xd2), w(0xcd), w(0x0c), w(0x13), w(0xec), w(0x5f), w(0x97), w(0x44), w(0x17), \ - w(0xc4), w(0xa7), w(0x7e), w(0x3d), w(0x64), w(0x5d), w(0x19), w(0x73), w(0x60), \ - w(0x81), w(0x4f), w(0xdc), w(0x22), w(0x2a), w(0x90), w(0x88), w(0x46), w(0xee), \ - w(0xb8), w(0x14), w(0xde), w(0x5e), w(0x0b), w(0xdb), w(0xe0), w(0x32), w(0x3a), \ - w(0x0a), w(0x49), w(0x06), w(0x24), w(0x5c), w(0xc2), w(0xd3), w(0xac), w(0x62), \ - w(0x91), w(0x95), w(0xe4), w(0x79), w(0xe7), w(0xc8), w(0x37), w(0x6d), w(0x8d), \ - w(0xd5), w(0x4e), w(0xa9), w(0x6c), w(0x56), w(0xf4), w(0xea), w(0x65), w(0x7a), \ - w(0xae), w(0x08), w(0xba), w(0x78), w(0x25), w(0x2e), w(0x1c), w(0xa6), w(0xb4), \ - w(0xc6), w(0xe8), w(0xdd), w(0x74), w(0x1f), w(0x4b), w(0xbd), w(0x8b), w(0x8a), \ - w(0x70), w(0x3e), w(0xb5), w(0x66), w(0x48), w(0x03), w(0xf6), w(0x0e), w(0x61), \ - w(0x35), w(0x57), w(0xb9), w(0x86), w(0xc1), w(0x1d), w(0x9e), w(0xe1), w(0xf8), \ - w(0x98), w(0x11), w(0x69), w(0xd9), w(0x8e), w(0x94), w(0x9b), w(0x1e), w(0x87), \ - w(0xe9), w(0xce), w(0x55), w(0x28), w(0xdf), w(0x8c), w(0xa1), w(0x89), w(0x0d), \ - w(0xbf), w(0xe6), w(0x42), w(0x68), w(0x41), w(0x99), w(0x2d), w(0x0f), w(0xb0), \ - w(0x54), w(0xbb), w(0x16) \ - } - -#define SAES_WPOLY 0x011b - -#define saes_b2w(b0, b1, b2, b3) \ - (((uint32_t)(b3) << 24) | ((uint32_t)(b2) << 16) | ((uint32_t)(b1) << 8) | (b0)) - -#define saes_f2(x) ((x << 1) ^ (((x >> 7) & 1) * SAES_WPOLY)) -#define saes_f3(x) (saes_f2(x) ^ x) -#define saes_h0(x) (x) - -#define saes_u0(p) saes_b2w(saes_f2(p), p, p, saes_f3(p)) -#define saes_u1(p) saes_b2w(saes_f3(p), saes_f2(p), p, p) -#define saes_u2(p) saes_b2w(p, saes_f3(p), saes_f2(p), p) -#define saes_u3(p) saes_b2w(p, p, saes_f3(p), saes_f2(p)) - -alignas(16) const uint32_t saes_table[4][256] = { - saes_data(saes_u0), saes_data(saes_u1), saes_data(saes_u2), saes_data(saes_u3)}; -alignas(16) extern const uint8_t saes_sbox[256] = saes_data(saes_h0); - -struct aesdata { - uint64_t v64x0; - uint64_t v64x1; - - inline void load(const cn_sptr mem) { - v64x0 = mem.as_uqword(0); - v64x1 = mem.as_uqword(1); - } - - inline void xor_load(const cn_sptr mem) { - v64x0 ^= mem.as_uqword(0); - v64x1 ^= mem.as_uqword(1); - } - - inline void write(cn_sptr mem) { - mem.as_uqword(0) = v64x0; - mem.as_uqword(1) = v64x1; - } - - inline aesdata& operator^=(const aesdata& rhs) noexcept { - v64x0 ^= rhs.v64x0; - v64x1 ^= rhs.v64x1; - return *this; - } - - inline aesdata& operator^=(uint32_t rhs) noexcept { - uint64_t t = (uint64_t(rhs) << 32) | uint64_t(rhs); - v64x0 ^= t; - v64x1 ^= t; - return *this; - } - - inline void get_quad(uint32_t& x0, uint32_t& x1, uint32_t& x2, uint32_t& x3) { - x0 = v64x0; - x1 = v64x0 >> 32; - x2 = v64x1; - x3 = v64x1 >> 32; - } - - inline void set_quad(uint32_t x0, uint32_t x1, uint32_t x2, uint32_t x3) { - v64x0 = uint64_t(x0) | uint64_t(x1) << 32; - v64x1 = uint64_t(x2) | uint64_t(x3) << 32; - } -}; - -inline uint32_t sub_word(uint32_t key) { - return (saes_sbox[key >> 24] << 24) | (saes_sbox[(key >> 16) & 0xff] << 16) | - (saes_sbox[(key >> 8) & 0xff] << 8) | saes_sbox[key & 0xff]; -} - -#if defined(__clang__) || !defined(HAS_INTEL_HW) -inline uint32_t rotr(uint32_t value, uint32_t amount) { - return (value >> amount) | (value << ((32 - amount) & 31)); -} -#else -inline uint32_t rotr(uint32_t value, uint32_t amount) { - return _rotr(value, amount); -} -#endif - -// sl_xor(a1 a2 a3 a4) = a1 (a2^a1) (a3^a2^a1) (a4^a3^a2^a1) -inline void sl_xor(aesdata& x) { - uint32_t x0, x1, x2, x3; - x.get_quad(x0, x1, x2, x3); - x1 ^= x0; - x2 ^= x1; - x3 ^= x2; - x.set_quad(x0, x1, x2, x3); -} - -template -inline void soft_aes_genkey_sub(aesdata& xout0, aesdata& xout2) { - sl_xor(xout0); - xout0 ^= rotr(sub_word(xout2.v64x1 >> 32), 8) ^ rcon; - sl_xor(xout2); - xout2 ^= sub_word(xout0.v64x1 >> 32); -} - -inline void aes_genkey( - const cn_sptr memory, - aesdata& k0, - aesdata& k1, - aesdata& k2, - aesdata& k3, - aesdata& k4, - aesdata& k5, - aesdata& k6, - aesdata& k7, - aesdata& k8, - aesdata& k9) { - aesdata xout0, xout2; - - xout0.load(memory); - xout2.load(memory.offset(16)); - k0 = xout0; - k1 = xout2; - - soft_aes_genkey_sub<0x01>(xout0, xout2); - k2 = xout0; - k3 = xout2; - - soft_aes_genkey_sub<0x02>(xout0, xout2); - k4 = xout0; - k5 = xout2; - - soft_aes_genkey_sub<0x04>(xout0, xout2); - k6 = xout0; - k7 = xout2; - - soft_aes_genkey_sub<0x08>(xout0, xout2); - k8 = xout0; - k9 = xout2; -} - -inline void aes_round(aesdata& val, const aesdata& key) { - uint32_t x0, x1, x2, x3; - val.get_quad(x0, x1, x2, x3); - val.set_quad( - saes_table[0][x0 & 0xff] ^ saes_table[1][(x1 >> 8) & 0xff] ^ - saes_table[2][(x2 >> 16) & 0xff] ^ saes_table[3][x3 >> 24], - saes_table[0][x1 & 0xff] ^ saes_table[1][(x2 >> 8) & 0xff] ^ - saes_table[2][(x3 >> 16) & 0xff] ^ saes_table[3][x0 >> 24], - saes_table[0][x2 & 0xff] ^ saes_table[1][(x3 >> 8) & 0xff] ^ - saes_table[2][(x0 >> 16) & 0xff] ^ saes_table[3][x1 >> 24], - saes_table[0][x3 & 0xff] ^ saes_table[1][(x0 >> 8) & 0xff] ^ - saes_table[2][(x1 >> 16) & 0xff] ^ saes_table[3][x2 >> 24]); - val ^= key; -} - -inline void aes_round8( - const aesdata& key, - aesdata& x0, - aesdata& x1, - aesdata& x2, - aesdata& x3, - aesdata& x4, - aesdata& x5, - aesdata& x6, - aesdata& x7) { - aes_round(x0, key); - aes_round(x1, key); - aes_round(x2, key); - aes_round(x3, key); - aes_round(x4, key); - aes_round(x5, key); - aes_round(x6, key); - aes_round(x7, key); -} - -inline void xor_shift( - aesdata& x0, - aesdata& x1, - aesdata& x2, - aesdata& x3, - aesdata& x4, - aesdata& x5, - aesdata& x6, - aesdata& x7) { - aesdata tmp = x0; - x0 ^= x1; - x1 ^= x2; - x2 ^= x3; - x3 ^= x4; - x4 ^= x5; - x5 ^= x6; - x6 ^= x7; - x7 ^= tmp; -} - -template -void cn_heavy_hash::implode_scratchpad_soft() { - aesdata x0, x1, x2, x3, x4, x5, x6, x7; - aesdata k0, k1, k2, k3, k4, k5, k6, k7, k8, k9; - - aes_genkey(spad.as_uqword() + 4, k0, k1, k2, k3, k4, k5, k6, k7, k8, k9); - - x0.load(spad.as_uqword() + 8); - x1.load(spad.as_uqword() + 10); - x2.load(spad.as_uqword() + 12); - x3.load(spad.as_uqword() + 14); - x4.load(spad.as_uqword() + 16); - x5.load(spad.as_uqword() + 18); - x6.load(spad.as_uqword() + 20); - x7.load(spad.as_uqword() + 22); - - for (size_t i = 0; i < MEMORY / sizeof(uint64_t); i += 16) { - x0.xor_load(lpad.as_uqword() + i + 0); - x1.xor_load(lpad.as_uqword() + i + 2); - x2.xor_load(lpad.as_uqword() + i + 4); - x3.xor_load(lpad.as_uqword() + i + 6); - x4.xor_load(lpad.as_uqword() + i + 8); - x5.xor_load(lpad.as_uqword() + i + 10); - x6.xor_load(lpad.as_uqword() + i + 12); - x7.xor_load(lpad.as_uqword() + i + 14); - - aes_round8(k0, x0, x1, x2, x3, x4, x5, x6, x7); - aes_round8(k1, x0, x1, x2, x3, x4, x5, x6, x7); - aes_round8(k2, x0, x1, x2, x3, x4, x5, x6, x7); - aes_round8(k3, x0, x1, x2, x3, x4, x5, x6, x7); - aes_round8(k4, x0, x1, x2, x3, x4, x5, x6, x7); - aes_round8(k5, x0, x1, x2, x3, x4, x5, x6, x7); - aes_round8(k6, x0, x1, x2, x3, x4, x5, x6, x7); - aes_round8(k7, x0, x1, x2, x3, x4, x5, x6, x7); - aes_round8(k8, x0, x1, x2, x3, x4, x5, x6, x7); - aes_round8(k9, x0, x1, x2, x3, x4, x5, x6, x7); - - if (VERSION > 0) - xor_shift(x0, x1, x2, x3, x4, x5, x6, x7); - } - - // Note, this loop is only executed if VERSION > 0 - for (size_t i = 0; VERSION > 0 && i < MEMORY / sizeof(uint64_t); i += 16) { - x0.xor_load(lpad.as_uqword() + i + 0); - x1.xor_load(lpad.as_uqword() + i + 2); - x2.xor_load(lpad.as_uqword() + i + 4); - x3.xor_load(lpad.as_uqword() + i + 6); - x4.xor_load(lpad.as_uqword() + i + 8); - x5.xor_load(lpad.as_uqword() + i + 10); - x6.xor_load(lpad.as_uqword() + i + 12); - x7.xor_load(lpad.as_uqword() + i + 14); - - aes_round8(k0, x0, x1, x2, x3, x4, x5, x6, x7); - aes_round8(k1, x0, x1, x2, x3, x4, x5, x6, x7); - aes_round8(k2, x0, x1, x2, x3, x4, x5, x6, x7); - aes_round8(k3, x0, x1, x2, x3, x4, x5, x6, x7); - aes_round8(k4, x0, x1, x2, x3, x4, x5, x6, x7); - aes_round8(k5, x0, x1, x2, x3, x4, x5, x6, x7); - aes_round8(k6, x0, x1, x2, x3, x4, x5, x6, x7); - aes_round8(k7, x0, x1, x2, x3, x4, x5, x6, x7); - aes_round8(k8, x0, x1, x2, x3, x4, x5, x6, x7); - aes_round8(k9, x0, x1, x2, x3, x4, x5, x6, x7); - - xor_shift(x0, x1, x2, x3, x4, x5, x6, x7); - } - - // Note, this loop is only executed if VERSION > 0 - for (size_t i = 0; VERSION > 0 && i < 16; i++) { - aes_round8(k0, x0, x1, x2, x3, x4, x5, x6, x7); - aes_round8(k1, x0, x1, x2, x3, x4, x5, x6, x7); - aes_round8(k2, x0, x1, x2, x3, x4, x5, x6, x7); - aes_round8(k3, x0, x1, x2, x3, x4, x5, x6, x7); - aes_round8(k4, x0, x1, x2, x3, x4, x5, x6, x7); - aes_round8(k5, x0, x1, x2, x3, x4, x5, x6, x7); - aes_round8(k6, x0, x1, x2, x3, x4, x5, x6, x7); - aes_round8(k7, x0, x1, x2, x3, x4, x5, x6, x7); - aes_round8(k8, x0, x1, x2, x3, x4, x5, x6, x7); - aes_round8(k9, x0, x1, x2, x3, x4, x5, x6, x7); - - xor_shift(x0, x1, x2, x3, x4, x5, x6, x7); - } - - x0.write(spad.as_uqword() + 8); - x1.write(spad.as_uqword() + 10); - x2.write(spad.as_uqword() + 12); - x3.write(spad.as_uqword() + 14); - x4.write(spad.as_uqword() + 16); - x5.write(spad.as_uqword() + 18); - x6.write(spad.as_uqword() + 20); - x7.write(spad.as_uqword() + 22); -} - -template -void cn_heavy_hash::explode_scratchpad_soft() { - aesdata x0, x1, x2, x3, x4, x5, x6, x7; - aesdata k0, k1, k2, k3, k4, k5, k6, k7, k8, k9; - - aes_genkey(spad.as_uqword(), k0, k1, k2, k3, k4, k5, k6, k7, k8, k9); - - x0.load(spad.as_uqword() + 8); - x1.load(spad.as_uqword() + 10); - x2.load(spad.as_uqword() + 12); - x3.load(spad.as_uqword() + 14); - x4.load(spad.as_uqword() + 16); - x5.load(spad.as_uqword() + 18); - x6.load(spad.as_uqword() + 20); - x7.load(spad.as_uqword() + 22); - - // Note, this loop is only executed if VERSION > 0 - for (size_t i = 0; VERSION > 0 && i < 16; i++) { - aes_round8(k0, x0, x1, x2, x3, x4, x5, x6, x7); - aes_round8(k1, x0, x1, x2, x3, x4, x5, x6, x7); - aes_round8(k2, x0, x1, x2, x3, x4, x5, x6, x7); - aes_round8(k3, x0, x1, x2, x3, x4, x5, x6, x7); - aes_round8(k4, x0, x1, x2, x3, x4, x5, x6, x7); - aes_round8(k5, x0, x1, x2, x3, x4, x5, x6, x7); - aes_round8(k6, x0, x1, x2, x3, x4, x5, x6, x7); - aes_round8(k7, x0, x1, x2, x3, x4, x5, x6, x7); - aes_round8(k8, x0, x1, x2, x3, x4, x5, x6, x7); - aes_round8(k9, x0, x1, x2, x3, x4, x5, x6, x7); - - xor_shift(x0, x1, x2, x3, x4, x5, x6, x7); - } - - for (size_t i = 0; i < MEMORY / sizeof(uint64_t); i += 16) { - aes_round8(k0, x0, x1, x2, x3, x4, x5, x6, x7); - aes_round8(k1, x0, x1, x2, x3, x4, x5, x6, x7); - aes_round8(k2, x0, x1, x2, x3, x4, x5, x6, x7); - aes_round8(k3, x0, x1, x2, x3, x4, x5, x6, x7); - aes_round8(k4, x0, x1, x2, x3, x4, x5, x6, x7); - aes_round8(k5, x0, x1, x2, x3, x4, x5, x6, x7); - aes_round8(k6, x0, x1, x2, x3, x4, x5, x6, x7); - aes_round8(k7, x0, x1, x2, x3, x4, x5, x6, x7); - aes_round8(k8, x0, x1, x2, x3, x4, x5, x6, x7); - aes_round8(k9, x0, x1, x2, x3, x4, x5, x6, x7); - - x0.write(lpad.as_uqword() + i + 0); - x1.write(lpad.as_uqword() + i + 2); - x2.write(lpad.as_uqword() + i + 4); - x3.write(lpad.as_uqword() + i + 6); - x4.write(lpad.as_uqword() + i + 8); - x5.write(lpad.as_uqword() + i + 10); - x6.write(lpad.as_uqword() + i + 12); - x7.write(lpad.as_uqword() + i + 14); - } -} - -#ifdef BUILD32 -inline uint64_t _umul128(uint64_t multiplier, uint64_t multiplicand, uint64_t* product_hi) { - // multiplier = ab = a * 2^32 + b - // multiplicand = cd = c * 2^32 + d - // ab * cd = a * c * 2^64 + (a * d + b * c) * 2^32 + b * d - uint64_t a = multiplier >> 32; - uint64_t b = multiplier & 0xFFFFFFFF; - uint64_t c = multiplicand >> 32; - uint64_t d = multiplicand & 0xFFFFFFFF; - - uint64_t ac = a * c; - uint64_t ad = a * d; - uint64_t bc = b * c; - uint64_t bd = b * d; - - uint64_t adbc = ad + bc; - uint64_t adbc_carry = adbc < ad ? 1 : 0; - - // multiplier * multiplicand = product_hi * 2^64 + product_lo - uint64_t product_lo = bd + (adbc << 32); - uint64_t product_lo_carry = product_lo < bd ? 1 : 0; - *product_hi = ac + (adbc >> 32) + (adbc_carry << 32) + product_lo_carry; - - return product_lo; -} -#else -#if !defined(HAS_WIN_INTRIN_API) -inline uint64_t _umul128(uint64_t a, uint64_t b, uint64_t* hi) { - unsigned __int128 r = (unsigned __int128)a * (unsigned __int128)b; - *hi = r >> 64; - return (uint64_t)r; -} -#endif -#endif - -extern "C" void blake256_hash(uint8_t*, const uint8_t*, uint64_t); -extern "C" void groestl(const unsigned char*, unsigned long long, unsigned char*); - -template -void cn_heavy_hash::software_hash( - const void* in, size_t len, void* out, bool prehashed) { - if (!prehashed) - keccak((const uint8_t*)in, len, spad.as_byte(), 200); - - explode_scratchpad_soft(); - - uint64_t* h0 = spad.as_uqword(); - - aesdata ax; - ax.v64x0 = h0[0] ^ h0[4]; - ax.v64x1 = h0[1] ^ h0[5]; - - aesdata bx; - bx.v64x0 = h0[2] ^ h0[6]; - bx.v64x1 = h0[3] ^ h0[7]; - - aesdata cx; - cn_sptr idx = scratchpad_ptr(ax.v64x0); - - for (size_t i = 0; i < ITER / 2; i++) { - uint64_t hi, lo; - cx.load(idx); - - aes_round(cx, ax); - - bx ^= cx; - bx.write(idx); - idx = scratchpad_ptr(cx.v64x0); - bx.load(idx); - - lo = _umul128(cx.v64x0, bx.v64x0, &hi); - - ax.v64x0 += hi; - ax.v64x1 += lo; - ax.write(idx); - - ax ^= bx; - idx = scratchpad_ptr(ax.v64x0); - if (VERSION > 0) { - int64_t n = idx.as_qword(0); - int32_t d = idx.as_dword(2); - -#if defined(__arm__) - asm volatile("nop"); // Fix for RasPi3 ARM - maybe needed on armv8 -#endif - - int64_t q = n / (d | 5); - idx.as_qword(0) = n ^ q; - idx = scratchpad_ptr(d ^ q); - } - - bx.load(idx); - - aes_round(bx, ax); - - cx ^= bx; - cx.write(idx); - idx = scratchpad_ptr(bx.v64x0); - cx.load(idx); - - lo = _umul128(bx.v64x0, cx.v64x0, &hi); - - ax.v64x0 += hi; - ax.v64x1 += lo; - ax.write(idx); - ax ^= cx; - idx = scratchpad_ptr(ax.v64x0); - if (VERSION > 0) { - int64_t n = idx.as_qword(0); // read bytes 0 - 7 - int32_t d = idx.as_dword(2); // read bytes 8 - 11 - -#if defined(__arm__) - asm volatile("nop"); // Fix for RasPi3 ARM - maybe needed on armv8 -#endif - - int64_t q = n / (d | 5); - idx.as_qword(0) = n ^ q; - idx = scratchpad_ptr(d ^ q); - } - } - - implode_scratchpad_soft(); - - keccakf(spad.as_uqword(), 24); - - switch (spad.as_byte(0) & 3) { - case 0: blake256_hash((uint8_t*)out, spad.as_byte(), 200); break; - case 1: groestl(spad.as_byte(), 200 * 8, (uint8_t*)out); break; - case 2: jh_hash(32 * 8, spad.as_byte(), 8 * 200, (uint8_t*)out); break; - case 3: skein_hash(8 * 32, spad.as_byte(), 8 * 200, (uint8_t*)out); break; - } -} - -template class cn_heavy_hash<2 * 1024 * 1024, 0x80000, 0>; -template class cn_heavy_hash<4 * 1024 * 1024, 0x40000, 1>; diff --git a/src/crypto/cn_monero_slow_hash.c b/src/crypto/cn_monero_slow_hash.c deleted file mode 100644 index 0dbab18..0000000 --- a/src/crypto/cn_monero_slow_hash.c +++ /dev/null @@ -1,1560 +0,0 @@ -// Copyright (c) 2014-2018, The Monero Project -// -// All rights reserved. -// -// Redistribution and use in source and binary forms, with or without modification, are -// permitted provided that the following conditions are met: -// -// 1. Redistributions of source code must retain the above copyright notice, this list of -// conditions and the following disclaimer. -// -// 2. Redistributions in binary form must reproduce the above copyright notice, this list -// of conditions and the following disclaimer in the documentation and/or other -// materials provided with the distribution. -// -// 3. Neither the name of the copyright holder nor the names of its contributors may be -// used to endorse or promote products derived from this software without specific -// prior written permission. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY -// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF -// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL -// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, -// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, -// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF -// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -// -// Parts of this file are originally copyright (c) 2012-2013 The Cryptonote developers - -#include -#include -#include -#include -#include -#include -#include - -#include "int-util.h" - -#include "hash-ops.h" -#include "oaes_lib_expand.h" -#include "variant2_int_sqrt.h" - -#define MEMORY (1 << 21) // 2MB scratchpad -#define ITER (1 << 20) -#define AES_BLOCK_SIZE 16 -#define AES_KEY_SIZE 32 -#define AES_EXPANDED_KEY_SIZE 240 -#define INIT_SIZE_BLK 8 -#define INIT_SIZE_BYTE (INIT_SIZE_BLK * AES_BLOCK_SIZE) - -extern void aesb_single_round(const uint8_t* in, uint8_t* out, const uint8_t* expandedKey); -extern void aesb_pseudo_round(const uint8_t* in, uint8_t* out, const uint8_t* expandedKey); - -#define VARIANT1_1(p) \ - do \ - if (variant == 1) { \ - const uint8_t tmp = ((const uint8_t*)(p))[11]; \ - static const uint32_t table = 0x75310; \ - const uint8_t index = (((tmp >> 3) & 6) | (tmp & 1)) << 1; \ - ((uint8_t*)(p))[11] = tmp ^ ((table >> index) & 0x30); \ - } \ - while (0) - -#define VARIANT1_2(p) \ - do \ - if (variant == 1) { \ - xor64(p, tweak1_2); \ - } \ - while (0) - -#define VARIANT1_CHECK() \ - do \ - if (length < 43) { \ - fprintf(stderr, "Cryptonight variant 1 needs at least 43 bytes of data"); \ - _exit(1); \ - } \ - while (0) - -#define NONCE_POINTER (((const uint8_t*)data) + 35) - -#define VARIANT1_PORTABLE_INIT() \ - uint8_t tweak1_2[8]; \ - do \ - if (variant == 1) { \ - VARIANT1_CHECK(); \ - memcpy(&tweak1_2, &state.hs.b[192], sizeof(tweak1_2)); \ - xor64(tweak1_2, NONCE_POINTER); \ - } \ - while (0) - -#define VARIANT1_INIT64() \ - if (variant == 1) { \ - VARIANT1_CHECK(); \ - } \ - const uint64_t tweak1_2 = \ - (variant == 1) ? (state.hs.w[24] ^ (*((const uint64_t*)NONCE_POINTER))) : 0 - -#define VARIANT2_INIT64() \ - uint64_t division_result = 0; \ - uint64_t sqrt_result = 0; \ - do \ - if (variant >= 2) { \ - U64(b)[2] = state.hs.w[8] ^ state.hs.w[10]; \ - U64(b)[3] = state.hs.w[9] ^ state.hs.w[11]; \ - division_result = state.hs.w[12]; \ - sqrt_result = state.hs.w[13]; \ - } \ - while (0) - -#define VARIANT2_PORTABLE_INIT() \ - uint64_t division_result = 0; \ - uint64_t sqrt_result = 0; \ - do \ - if (variant >= 2) { \ - memcpy(b + AES_BLOCK_SIZE, state.hs.b + 64, AES_BLOCK_SIZE); \ - xor64(b + AES_BLOCK_SIZE, state.hs.b + 80); \ - xor64(b + AES_BLOCK_SIZE + 8, state.hs.b + 88); \ - division_result = state.hs.w[12]; \ - sqrt_result = state.hs.w[13]; \ - } \ - while (0) - -#define VARIANT2_SHUFFLE_ADD_SSE2(base_ptr, offset) \ - do \ - if (variant >= 2) { \ - const __m128i chunk1 = _mm_load_si128((__m128i*)((base_ptr) + ((offset) ^ 0x10))); \ - const __m128i chunk2 = _mm_load_si128((__m128i*)((base_ptr) + ((offset) ^ 0x20))); \ - const __m128i chunk3 = _mm_load_si128((__m128i*)((base_ptr) + ((offset) ^ 0x30))); \ - _mm_store_si128( \ - (__m128i*)((base_ptr) + ((offset) ^ 0x10)), _mm_add_epi64(chunk3, _b1)); \ - _mm_store_si128( \ - (__m128i*)((base_ptr) + ((offset) ^ 0x20)), _mm_add_epi64(chunk1, _b)); \ - _mm_store_si128( \ - (__m128i*)((base_ptr) + ((offset) ^ 0x30)), _mm_add_epi64(chunk2, _a)); \ - } \ - while (0) - -#define VARIANT2_SHUFFLE_ADD_NEON(base_ptr, offset) \ - do \ - if (variant >= 2) { \ - const uint64x2_t chunk1 = vld1q_u64(U64((base_ptr) + ((offset) ^ 0x10))); \ - const uint64x2_t chunk2 = vld1q_u64(U64((base_ptr) + ((offset) ^ 0x20))); \ - const uint64x2_t chunk3 = vld1q_u64(U64((base_ptr) + ((offset) ^ 0x30))); \ - vst1q_u64( \ - U64((base_ptr) + ((offset) ^ 0x10)), \ - vaddq_u64(chunk3, vreinterpretq_u64_u8(_b1))); \ - vst1q_u64( \ - U64((base_ptr) + ((offset) ^ 0x20)), \ - vaddq_u64(chunk1, vreinterpretq_u64_u8(_b))); \ - vst1q_u64( \ - U64((base_ptr) + ((offset) ^ 0x30)), \ - vaddq_u64(chunk2, vreinterpretq_u64_u8(_a))); \ - } \ - while (0) - -#define VARIANT2_PORTABLE_SHUFFLE_ADD(base_ptr, offset) \ - do \ - if (variant >= 2) { \ - uint64_t* chunk1 = U64((base_ptr) + ((offset) ^ 0x10)); \ - uint64_t* chunk2 = U64((base_ptr) + ((offset) ^ 0x20)); \ - uint64_t* chunk3 = U64((base_ptr) + ((offset) ^ 0x30)); \ - \ - const uint64_t chunk1_old[2] = {chunk1[0], chunk1[1]}; \ - \ - uint64_t b1[2]; \ - memcpy(b1, b + 16, 16); \ - chunk1[0] = chunk3[0] + b1[0]; \ - chunk1[1] = chunk3[1] + b1[1]; \ - \ - uint64_t a0[2]; \ - memcpy(a0, a, 16); \ - chunk3[0] = chunk2[0] + a0[0]; \ - chunk3[1] = chunk2[1] + a0[1]; \ - \ - uint64_t b0[2]; \ - memcpy(b0, b, 16); \ - chunk2[0] = chunk1_old[0] + b0[0]; \ - chunk2[1] = chunk1_old[1] + b0[1]; \ - } \ - while (0) - -#define VARIANT2_INTEGER_MATH_DIVISION_STEP(b, ptr) \ - ((uint64_t*)(b))[0] ^= division_result ^ (sqrt_result << 32); \ - { \ - const uint64_t dividend = ((uint64_t*)(ptr))[1]; \ - const uint32_t divisor = \ - (((uint64_t*)(ptr))[0] + (uint32_t)(sqrt_result << 1)) | 0x80000001UL; \ - division_result = \ - ((uint32_t)(dividend / divisor)) + (((uint64_t)(dividend % divisor)) << 32); \ - } \ - const uint64_t sqrt_input = ((uint64_t*)(ptr))[0] + division_result - -#define VARIANT2_INTEGER_MATH_SSE2(b, ptr) \ - do \ - if (variant >= 2) { \ - VARIANT2_INTEGER_MATH_DIVISION_STEP(b, ptr); \ - VARIANT2_INTEGER_MATH_SQRT_STEP_SSE2(); \ - VARIANT2_INTEGER_MATH_SQRT_FIXUP(sqrt_result); \ - } \ - while (0) - -#if defined DBL_MANT_DIG && (DBL_MANT_DIG >= 50) -// double precision floating point type has enough bits of precision on current platform -#define VARIANT2_PORTABLE_INTEGER_MATH(b, ptr) \ - do \ - if (variant >= 2) { \ - VARIANT2_INTEGER_MATH_DIVISION_STEP(b, ptr); \ - VARIANT2_INTEGER_MATH_SQRT_STEP_FP64(); \ - VARIANT2_INTEGER_MATH_SQRT_FIXUP(sqrt_result); \ - } \ - while (0) -#else -// double precision floating point type is not good enough on current platform -// fall back to the reference code (integer only) -#define VARIANT2_PORTABLE_INTEGER_MATH(b, ptr) \ - do \ - if (variant >= 2) { \ - VARIANT2_INTEGER_MATH_DIVISION_STEP(b, ptr); \ - VARIANT2_INTEGER_MATH_SQRT_STEP_REF(); \ - } \ - while (0) -#endif - -#define VARIANT2_2_PORTABLE() \ - if (variant >= 2) { \ - xor_blocks(long_state + (j ^ 0x10), d); \ - xor_blocks(d, long_state + (j ^ 0x20)); \ - } - -#define VARIANT2_2() \ - do \ - if (variant >= 2) { \ - *U64(hp_state + (j ^ 0x10)) ^= hi; \ - *(U64(hp_state + (j ^ 0x10)) + 1) ^= lo; \ - hi ^= *U64(hp_state + (j ^ 0x20)); \ - lo ^= *(U64(hp_state + (j ^ 0x20)) + 1); \ - } \ - while (0) - -#if !defined NO_AES && (defined(__x86_64__) || (defined(_MSC_VER) && defined(_WIN64))) -// Optimised code below, uses x86-specific intrinsics, SSE2, AES-NI -// Fall back to more portable code is down at the bottom - -#include - -#if defined(_MSC_VER) -#include -#include -#define STATIC -#define INLINE __inline -#if !defined(RDATA_ALIGN16) -#define RDATA_ALIGN16 __declspec(align(16)) -#endif -#elif defined(__MINGW32__) -#include -#include -#define STATIC static -#define INLINE inline -#if !defined(RDATA_ALIGN16) -#define RDATA_ALIGN16 __attribute__((aligned(16))) -#endif -#else -#include -#include -#define STATIC static -#define INLINE inline -#if !defined(RDATA_ALIGN16) -#define RDATA_ALIGN16 __attribute__((aligned(16))) -#endif -#endif - -#if defined(__INTEL_COMPILER) -#define ASM __asm__ -#elif !defined(_MSC_VER) -#define ASM __asm__ -#else -#define ASM __asm -#endif - -#define TOTALBLOCKS (MEMORY / AES_BLOCK_SIZE) - -#define U64(x) ((uint64_t*)(x)) -#define R128(x) ((__m128i*)(x)) - -#define state_index(x) (((*((uint64_t*)x) >> 4) & (TOTALBLOCKS - 1)) << 4) -#if defined(_MSC_VER) -#if !defined(_WIN64) -#define __mul() lo = mul128(c[0], b[0], &hi); -#else -#define __mul() lo = _umul128(c[0], b[0], &hi); -#endif -#else -#if defined(__x86_64__) -#define __mul() ASM("mulq %3\n\t" : "=d"(hi), "=a"(lo) : "%a"(c[0]), "rm"(b[0]) : "cc"); -#else -#define __mul() lo = mul128(c[0], b[0], &hi); -#endif -#endif - -#define pre_aes() \ - j = state_index(a); \ - _c = _mm_load_si128(R128(&hp_state[j])); \ - _a = _mm_load_si128(R128(a)); - -/* - * An SSE-optimized implementation of the second half of CryptoNight step 3. - * After using AES to mix a scratchpad value into _c (done by the caller), - * this macro xors it with _b and stores the result back to the same index (j) that it - * loaded the scratchpad value from. It then performs a second random memory - * read/write from the scratchpad, but this time mixes the values using a 64 - * bit multiply. - * This code is based upon an optimized implementation by dga. - */ -#define post_aes() \ - VARIANT2_SHUFFLE_ADD_SSE2(hp_state, j); \ - _mm_store_si128(R128(c), _c); \ - _mm_store_si128(R128(&hp_state[j]), _mm_xor_si128(_b, _c)); \ - VARIANT1_1(&hp_state[j]); \ - j = state_index(c); \ - p = U64(&hp_state[j]); \ - b[0] = p[0]; \ - b[1] = p[1]; \ - VARIANT2_INTEGER_MATH_SSE2(b, c); \ - __mul(); \ - VARIANT2_2(); \ - VARIANT2_SHUFFLE_ADD_SSE2(hp_state, j); \ - a[0] += hi; \ - a[1] += lo; \ - p = U64(&hp_state[j]); \ - p[0] = a[0]; \ - p[1] = a[1]; \ - a[0] ^= b[0]; \ - a[1] ^= b[1]; \ - VARIANT1_2(p + 1); \ - _b1 = _b; \ - _b = _c; - -#if defined(_MSC_VER) -#define THREADV __declspec(thread) -#else -#define THREADV __thread -#endif - -#pragma pack(push, 1) -union cn_monero_hash_state { - union hash_state hs; - struct { - uint8_t k[64]; - uint8_t init[INIT_SIZE_BYTE]; - }; -}; -#pragma pack(pop) - -static THREADV uint8_t* hp_state = NULL; -static THREADV int hp_allocated = 0; - -#if defined(_MSC_VER) -#define cpuid(info, x) __cpuidex(info, x, 0) -#else -static void cpuid(int CPUInfo[4], int InfoType) { - ASM __volatile__("cpuid" - : "=a"(CPUInfo[0]), "=b"(CPUInfo[1]), "=c"(CPUInfo[2]), "=d"(CPUInfo[3]) - : "a"(InfoType), "c"(0)); -} -#endif - -/** - * @brief a = (a xor b), where a and b point to 128 bit values - */ - -STATIC INLINE void xor_blocks(uint8_t* a, const uint8_t* b) { - U64(a)[0] ^= U64(b)[0]; - U64(a)[1] ^= U64(b)[1]; -} - -STATIC INLINE void xor64(uint64_t* a, const uint64_t b) { - *a ^= b; -} - -/** - * @brief uses cpuid to determine if the CPU supports the AES instructions - * @return true if the CPU supports AES, false otherwise - */ - -STATIC INLINE int force_software_aes(void) { - static int use = -1; - - if (use != -1) - return use; - - const char* env = getenv("OXEN_USE_SOFTWARE_AES"); - if (!env) { - use = 0; - } else if (!strcmp(env, "0") || !strcmp(env, "no")) { - use = 0; - } else { - use = 1; - } - return use; -} - -STATIC INLINE int check_aes_hw(void) { - int cpuid_results[4]; - static int supported = -1; - - if (supported >= 0) - return supported; - - cpuid(cpuid_results, 1); - return supported = cpuid_results[2] & (1 << 25); -} - -STATIC INLINE void aes_256_assist1(__m128i* t1, __m128i* t2) { - __m128i t4; - *t2 = _mm_shuffle_epi32(*t2, 0xff); - t4 = _mm_slli_si128(*t1, 0x04); - *t1 = _mm_xor_si128(*t1, t4); - t4 = _mm_slli_si128(t4, 0x04); - *t1 = _mm_xor_si128(*t1, t4); - t4 = _mm_slli_si128(t4, 0x04); - *t1 = _mm_xor_si128(*t1, t4); - *t1 = _mm_xor_si128(*t1, *t2); -} - -STATIC INLINE void aes_256_assist2(__m128i* t1, __m128i* t3) { - __m128i t2, t4; - t4 = _mm_aeskeygenassist_si128(*t1, 0x00); - t2 = _mm_shuffle_epi32(t4, 0xaa); - t4 = _mm_slli_si128(*t3, 0x04); - *t3 = _mm_xor_si128(*t3, t4); - t4 = _mm_slli_si128(t4, 0x04); - *t3 = _mm_xor_si128(*t3, t4); - t4 = _mm_slli_si128(t4, 0x04); - *t3 = _mm_xor_si128(*t3, t4); - *t3 = _mm_xor_si128(*t3, t2); -} - -/** - * @brief expands 'key' into a form it can be used for AES encryption. - * - * This is an SSE-optimized implementation of AES key schedule generation. It - * expands the key into multiple round keys, each of which is used in one round - * of the AES encryption used to fill (and later, extract randomness from) - * the large 2MB buffer. Note that CryptoNight does not use a completely - * standard AES encryption for its buffer expansion, so do not copy this - * function outside of Monero without caution! This version uses the hardware - * AESKEYGENASSIST instruction to speed key generation, and thus requires - * CPU AES support. - * For more information about these functions, see page 19 of Intel's AES instructions - * white paper: - * https://www.intel.com/content/dam/doc/white-paper/advanced-encryption-standard-new-instructions-set-paper.pdf - * - * @param key the input 128 bit key - * @param expandedKey An output buffer to hold the generated key schedule - */ - -STATIC INLINE void aes_expand_key(const uint8_t* key, uint8_t* expandedKey) { - __m128i* ek = R128(expandedKey); - __m128i t1, t2, t3; - - t1 = _mm_loadu_si128(R128(key)); - t3 = _mm_loadu_si128(R128(key + 16)); - - ek[0] = t1; - ek[1] = t3; - - t2 = _mm_aeskeygenassist_si128(t3, 0x01); - aes_256_assist1(&t1, &t2); - ek[2] = t1; - aes_256_assist2(&t1, &t3); - ek[3] = t3; - - t2 = _mm_aeskeygenassist_si128(t3, 0x02); - aes_256_assist1(&t1, &t2); - ek[4] = t1; - aes_256_assist2(&t1, &t3); - ek[5] = t3; - - t2 = _mm_aeskeygenassist_si128(t3, 0x04); - aes_256_assist1(&t1, &t2); - ek[6] = t1; - aes_256_assist2(&t1, &t3); - ek[7] = t3; - - t2 = _mm_aeskeygenassist_si128(t3, 0x08); - aes_256_assist1(&t1, &t2); - ek[8] = t1; - aes_256_assist2(&t1, &t3); - ek[9] = t3; - - t2 = _mm_aeskeygenassist_si128(t3, 0x10); - aes_256_assist1(&t1, &t2); - ek[10] = t1; -} - -/** - * @brief a "pseudo" round of AES (similar to but slightly different from normal AES encryption) - * - * To fill its 2MB scratch buffer, CryptoNight uses a nonstandard implementation - * of AES encryption: It applies 10 rounds of the basic AES encryption operation - * to an input 128 bit chunk of data . Unlike normal AES, however, this is - * all it does; it does not perform the initial AddRoundKey step (this is done - * in subsequent steps by aesenc_si128), and it does not use the simpler final round. - * Hence, this is a "pseudo" round - though the function actually implements 10 rounds together. - * - * Note that unlike aesb_pseudo_round, this function works on multiple data chunks. - * - * @param in a pointer to nblocks * 128 bits of data to be encrypted - * @param out a pointer to an nblocks * 128 bit buffer where the output will be stored - * @param expandedKey the expanded AES key - * @param nblocks the number of 128 blocks of data to be encrypted - */ - -STATIC INLINE void aes_pseudo_round( - const uint8_t* in, uint8_t* out, const uint8_t* expandedKey, int nblocks) { - __m128i* k = R128(expandedKey); - __m128i d; - int i; - - for (i = 0; i < nblocks; i++) { - d = _mm_loadu_si128(R128(in + i * AES_BLOCK_SIZE)); - d = _mm_aesenc_si128(d, *R128(&k[0])); - d = _mm_aesenc_si128(d, *R128(&k[1])); - d = _mm_aesenc_si128(d, *R128(&k[2])); - d = _mm_aesenc_si128(d, *R128(&k[3])); - d = _mm_aesenc_si128(d, *R128(&k[4])); - d = _mm_aesenc_si128(d, *R128(&k[5])); - d = _mm_aesenc_si128(d, *R128(&k[6])); - d = _mm_aesenc_si128(d, *R128(&k[7])); - d = _mm_aesenc_si128(d, *R128(&k[8])); - d = _mm_aesenc_si128(d, *R128(&k[9])); - _mm_storeu_si128((R128(out + i * AES_BLOCK_SIZE)), d); - } -} - -/** - * @brief aes_pseudo_round that loads data from *in and xors it with *xor first - * - * This function performs the same operations as aes_pseudo_round, but before - * performing the encryption of each 128 bit block from , it xors - * it with the corresponding block from . - * - * @param in a pointer to nblocks * 128 bits of data to be encrypted - * @param out a pointer to an nblocks * 128 bit buffer where the output will be stored - * @param expandedKey the expanded AES key - * @param xor a pointer to an nblocks * 128 bit buffer that is xored into in before encryption (in - * is left unmodified) - * @param nblocks the number of 128 blocks of data to be encrypted - */ - -STATIC INLINE void aes_pseudo_round_xor( - const uint8_t* in, - uint8_t* out, - const uint8_t* expandedKey, - const uint8_t* xor - , int nblocks) { - __m128i* k = R128(expandedKey); - __m128i* x = R128(xor); - __m128i d; - int i; - - for (i = 0; i < nblocks; i++) { - d = _mm_loadu_si128(R128(in + i * AES_BLOCK_SIZE)); - d = _mm_xor_si128(d, *R128(x++)); - d = _mm_aesenc_si128(d, *R128(&k[0])); - d = _mm_aesenc_si128(d, *R128(&k[1])); - d = _mm_aesenc_si128(d, *R128(&k[2])); - d = _mm_aesenc_si128(d, *R128(&k[3])); - d = _mm_aesenc_si128(d, *R128(&k[4])); - d = _mm_aesenc_si128(d, *R128(&k[5])); - d = _mm_aesenc_si128(d, *R128(&k[6])); - d = _mm_aesenc_si128(d, *R128(&k[7])); - d = _mm_aesenc_si128(d, *R128(&k[8])); - d = _mm_aesenc_si128(d, *R128(&k[9])); - _mm_storeu_si128((R128(out + i * AES_BLOCK_SIZE)), d); - } -} - -#if defined(_MSC_VER) || defined(__MINGW32__) -BOOL SetLockPagesPrivilege(HANDLE hProcess, BOOL bEnable) { - struct { - DWORD count; - LUID_AND_ATTRIBUTES privilege[1]; - } info; - - HANDLE token; - if (!OpenProcessToken(hProcess, TOKEN_ADJUST_PRIVILEGES, &token)) - return FALSE; - - info.count = 1; - info.privilege[0].Attributes = bEnable ? SE_PRIVILEGE_ENABLED : 0; - - if (!LookupPrivilegeValue(NULL, SE_LOCK_MEMORY_NAME, &(info.privilege[0].Luid))) - return FALSE; - - if (!AdjustTokenPrivileges(token, FALSE, (PTOKEN_PRIVILEGES)&info, 0, NULL, NULL)) - return FALSE; - - if (GetLastError() != ERROR_SUCCESS) - return FALSE; - - CloseHandle(token); - - return TRUE; -} -#endif - -/** - * @brief allocate the 2MB scratch buffer using OS support for huge pages, if available - * - * This function tries to allocate the 2MB scratch buffer using a single - * 2MB "huge page" (instead of the usual 4KB page sizes) to reduce TLB misses - * during the random accesses to the scratch buffer. This is one of the - * important speed optimizations needed to make CryptoNight faster. - * - * No parameters. Updates a thread-local pointer, hp_state, to point to - * the allocated buffer. - */ - -void monero_hash_allocate_state(void) { - if (hp_state != NULL) - return; - -#if defined(_MSC_VER) || defined(__MINGW32__) - SetLockPagesPrivilege(GetCurrentProcess(), TRUE); - hp_state = (uint8_t*)VirtualAlloc( - hp_state, MEMORY, MEM_LARGE_PAGES | MEM_COMMIT | MEM_RESERVE, PAGE_READWRITE); -#else -#if defined(__APPLE__) || defined(__FreeBSD__) || defined(__OpenBSD__) || \ - defined(__DragonFly__) || defined(__NetBSD__) - hp_state = mmap(0, MEMORY, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANON, 0, 0); -#else - hp_state = mmap( - 0, MEMORY, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS | MAP_HUGETLB, 0, 0); -#endif - if (hp_state == MAP_FAILED) - hp_state = NULL; -#endif - hp_allocated = 1; - if (hp_state == NULL) { - hp_allocated = 0; - hp_state = (uint8_t*)malloc(MEMORY); - } -} - -/** - *@brief frees the state allocated by monero_hash_allocate_state - */ - -void monero_hash_free_state(void) { - if (hp_state == NULL) - return; - - if (!hp_allocated) - free(hp_state); - else { -#if defined(_MSC_VER) || defined(__MINGW32__) - VirtualFree(hp_state, 0, MEM_RELEASE); -#else - munmap(hp_state, MEMORY); -#endif - } - - hp_state = NULL; - hp_allocated = 0; -} - -/** - * @brief the hash function implementing CryptoNight, used for the Monero proof-of-work - * - * Computes the hash of (which consists of bytes), returning the - * hash in . The CryptoNight hash operates by first using Keccak 1600, - * the 1600 bit variant of the Keccak hash used in SHA-3, to create a 200 byte - * buffer of pseudorandom data by hashing the supplied data. It then uses this - * random data to fill a large 2MB buffer with pseudorandom data by iteratively - * encrypting it using 10 rounds of AES per entry. After this initialization, - * it executes 524,288 rounds of mixing through the random 2MB buffer using - * AES (typically provided in hardware on modern CPUs) and a 64 bit multiply. - * Finally, it re-mixes this large buffer back into - * the 200 byte "text" buffer, and then hashes this buffer using one of four - * pseudorandomly selected hash functions (Blake, Groestl, JH, or Skein) - * to populate the output. - * - * The 2MB buffer and choice of functions for mixing are designed to make the - * algorithm "CPU-friendly" (and thus, reduce the advantage of GPU, FPGA, - * or ASIC-based implementations): the functions used are fast on modern - * CPUs, and the 2MB size matches the typical amount of L3 cache available per - * core on 2013-era CPUs. When available, this implementation will use hardware - * AES support on x86 CPUs. - * - * A diagram of the inner loop of this function can be found at - * https://www.cs.cmu.edu/~dga/crypto/xmr/cryptonight.png - * - * @param data the data to hash - * @param length the length in bytes of the data - * @param hash a pointer to a buffer in which the final 256 bit hash will be stored - */ -void cn_monero_hash( - const void* data, size_t length, unsigned char* hash, int variant, int prehashed) { - RDATA_ALIGN16 uint8_t expandedKey[AES_EXPANDED_KEY_SIZE]; /* These buffers are aligned to use - later with SSE functions */ - - uint8_t text[INIT_SIZE_BYTE]; - RDATA_ALIGN16 uint64_t a[2]; - RDATA_ALIGN16 uint64_t b[4]; - RDATA_ALIGN16 uint64_t c[2]; - union cn_monero_hash_state state; - __m128i _a, _b, _b1, _c; - uint64_t hi, lo; - - size_t i, j; - uint64_t* p = NULL; - int useAes = !force_software_aes() && check_aes_hw(); - - static void (*const extra_hashes[4])(const void*, size_t, char*) = { - hash_extra_blake, hash_extra_groestl, hash_extra_jh, hash_extra_skein}; - - // this isn't supposed to happen, but guard against it for now. - if (hp_state == NULL) - monero_hash_allocate_state(); - - /* CryptoNight Step 1: Use Keccak1600 to initialize the 'state' (and 'text') buffers from the - * data. */ - if (prehashed) { - memcpy(&state.hs, data, length); - } else { - hash_process(&state.hs, data, length); - } - memcpy(text, state.init, INIT_SIZE_BYTE); - - VARIANT1_INIT64(); - VARIANT2_INIT64(); - - /* CryptoNight Step 2: Iteratively encrypt the results from Keccak to fill - * the 2MB large random access buffer. - */ - - if (useAes) { - aes_expand_key(state.hs.b, expandedKey); - for (i = 0; i < MEMORY / INIT_SIZE_BYTE; i++) { - aes_pseudo_round(text, text, expandedKey, INIT_SIZE_BLK); - memcpy(&hp_state[i * INIT_SIZE_BYTE], text, INIT_SIZE_BYTE); - } - } else { - oaes_expand_key_256(state.hs.b, expandedKey); - for (i = 0; i < MEMORY / INIT_SIZE_BYTE; i++) { - for (j = 0; j < INIT_SIZE_BLK; j++) - aesb_pseudo_round( - &text[AES_BLOCK_SIZE * j], &text[AES_BLOCK_SIZE * j], expandedKey); - - memcpy(&hp_state[i * INIT_SIZE_BYTE], text, INIT_SIZE_BYTE); - } - } - - U64(a)[0] = U64(&state.k[0])[0] ^ U64(&state.k[32])[0]; - U64(a)[1] = U64(&state.k[0])[1] ^ U64(&state.k[32])[1]; - U64(b)[0] = U64(&state.k[16])[0] ^ U64(&state.k[48])[0]; - U64(b)[1] = U64(&state.k[16])[1] ^ U64(&state.k[48])[1]; - - /* CryptoNight Step 3: Bounce randomly 1,048,576 times (1<<20) through the mixing buffer, - * using 524,288 iterations of the following mixing function. Each execution - * performs two reads and writes from the mixing buffer. - */ - - _b = _mm_load_si128(R128(b)); - _b1 = _mm_load_si128(R128(b) + 1); - // Two independent versions, one with AES, one without, to ensure that - // the useAes test is only performed once, not every iteration. - if (useAes) { - for (i = 0; i < ITER / 2; i++) { - pre_aes(); - _c = _mm_aesenc_si128(_c, _a); - post_aes(); - } - } else { - for (i = 0; i < ITER / 2; i++) { - pre_aes(); - aesb_single_round((uint8_t*)&_c, (uint8_t*)&_c, (uint8_t*)&_a); - post_aes(); - } - } - - /* CryptoNight Step 4: Sequentially pass through the mixing buffer and use 10 rounds - * of AES encryption to mix the random data back into the 'text' buffer. 'text' - * was originally created with the output of Keccak1600. */ - - memcpy(text, state.init, INIT_SIZE_BYTE); - if (useAes) { - aes_expand_key(&state.hs.b[32], expandedKey); - for (i = 0; i < MEMORY / INIT_SIZE_BYTE; i++) { - // add the xor to the pseudo round - aes_pseudo_round_xor( - text, text, expandedKey, &hp_state[i * INIT_SIZE_BYTE], INIT_SIZE_BLK); - } - } else { - oaes_expand_key_256(&state.hs.b[32], expandedKey); - for (i = 0; i < MEMORY / INIT_SIZE_BYTE; i++) { - for (j = 0; j < INIT_SIZE_BLK; j++) { - xor_blocks( - &text[j * AES_BLOCK_SIZE], - &hp_state[i * INIT_SIZE_BYTE + j * AES_BLOCK_SIZE]); - aesb_pseudo_round( - &text[AES_BLOCK_SIZE * j], &text[AES_BLOCK_SIZE * j], expandedKey); - } - } - } - - /* CryptoNight Step 5: Apply Keccak to the state again, and then - * use the resulting data to select which of four finalizer - * hash functions to apply to the data (Blake, Groestl, JH, or Skein). - * Use this hash to squeeze the state array down - * to the final 256 bit hash output. - */ - - memcpy(state.init, text, INIT_SIZE_BYTE); - hash_permutation(&state.hs); - extra_hashes[state.hs.b[0] & 3](&state, 200, hash); -} - -#elif !defined NO_AES && (defined(__arm__) || defined(__aarch64__)) -void monero_hash_allocate_state(void) { - // Do nothing, this is just to maintain compatibility with the upgraded slow-hash.c - return; -} - -void monero_hash_free_state(void) { - // As above - return; -} - -#if defined(__GNUC__) -#define RDATA_ALIGN16 __attribute__((aligned(16))) -#define STATIC static -#define INLINE inline -#else -#define RDATA_ALIGN16 -#define STATIC static -#define INLINE -#endif - -#define U64(x) ((uint64_t*)(x)) - -STATIC INLINE void xor64(uint64_t* a, const uint64_t b) { - *a ^= b; -} - -#pragma pack(push, 1) -union cn_monero_hash_state { - union hash_state hs; - struct { - uint8_t k[64]; - uint8_t init[INIT_SIZE_BYTE]; - }; -}; -#pragma pack(pop) - -#if defined(__aarch64__) && defined(__ARM_FEATURE_CRYPTO) - -/* ARMv8-A optimized with NEON and AES instructions. - * Copied from the x86-64 AES-NI implementation. It has much the same - * characteristics as x86-64: there's no 64x64=128 multiplier for vectors, - * and moving between vector and regular registers stalls the pipeline. - */ -#include - -#define TOTALBLOCKS (MEMORY / AES_BLOCK_SIZE) - -#define state_index(x) (((*((uint64_t*)x) >> 4) & (TOTALBLOCKS - 1)) << 4) -#define __mul() \ - __asm__("mul %0, %1, %2\n\t" : "=r"(lo) : "r"(c[0]), "r"(b[0])); \ - __asm__("umulh %0, %1, %2\n\t" : "=r"(hi) : "r"(c[0]), "r"(b[0])); - -#define pre_aes() \ - j = state_index(a); \ - _c = vld1q_u8(&hp_state[j]); \ - _a = vld1q_u8((const uint8_t*)a); - -#define post_aes() \ - VARIANT2_SHUFFLE_ADD_NEON(hp_state, j); \ - vst1q_u8((uint8_t*)c, _c); \ - vst1q_u8(&hp_state[j], veorq_u8(_b, _c)); \ - VARIANT1_1(&hp_state[j]); \ - j = state_index(c); \ - p = U64(&hp_state[j]); \ - b[0] = p[0]; \ - b[1] = p[1]; \ - VARIANT2_PORTABLE_INTEGER_MATH(b, c); \ - __mul(); \ - VARIANT2_2(); \ - VARIANT2_SHUFFLE_ADD_NEON(hp_state, j); \ - a[0] += hi; \ - a[1] += lo; \ - p = U64(&hp_state[j]); \ - p[0] = a[0]; \ - p[1] = a[1]; \ - a[0] ^= b[0]; \ - a[1] ^= b[1]; \ - VARIANT1_2(p + 1); \ - _b1 = _b; \ - _b = _c; - -/* Note: this was based on a standard 256bit key schedule but - * it's been shortened since Cryptonight doesn't use the full - * key schedule. Don't try to use this for vanilla AES. - */ -static void aes_expand_key(const uint8_t* key, uint8_t* expandedKey) { - static const int rcon[] = { - 0x01, - 0x01, - 0x01, - 0x01, - 0x0c0f0e0d, - 0x0c0f0e0d, - 0x0c0f0e0d, - 0x0c0f0e0d, // rotate-n-splat - 0x1b, - 0x1b, - 0x1b, - 0x1b}; - __asm__(" eor v0.16b,v0.16b,v0.16b\n" - " ld1 {v3.16b},[%0],#16\n" - " ld1 {v1.4s,v2.4s},[%2],#32\n" - " ld1 {v4.16b},[%0]\n" - " mov w2,#5\n" - " st1 {v3.4s},[%1],#16\n" - "\n" - "1:\n" - " tbl v6.16b,{v4.16b},v2.16b\n" - " ext v5.16b,v0.16b,v3.16b,#12\n" - " st1 {v4.4s},[%1],#16\n" - " aese v6.16b,v0.16b\n" - " subs w2,w2,#1\n" - "\n" - " eor v3.16b,v3.16b,v5.16b\n" - " ext v5.16b,v0.16b,v5.16b,#12\n" - " eor v3.16b,v3.16b,v5.16b\n" - " ext v5.16b,v0.16b,v5.16b,#12\n" - " eor v6.16b,v6.16b,v1.16b\n" - " eor v3.16b,v3.16b,v5.16b\n" - " shl v1.16b,v1.16b,#1\n" - " eor v3.16b,v3.16b,v6.16b\n" - " st1 {v3.4s},[%1],#16\n" - " b.eq 2f\n" - "\n" - " dup v6.4s,v3.s[3] // just splat\n" - " ext v5.16b,v0.16b,v4.16b,#12\n" - " aese v6.16b,v0.16b\n" - "\n" - " eor v4.16b,v4.16b,v5.16b\n" - " ext v5.16b,v0.16b,v5.16b,#12\n" - " eor v4.16b,v4.16b,v5.16b\n" - " ext v5.16b,v0.16b,v5.16b,#12\n" - " eor v4.16b,v4.16b,v5.16b\n" - "\n" - " eor v4.16b,v4.16b,v6.16b\n" - " b 1b\n" - "\n" - "2:\n" - : - : "r"(key), "r"(expandedKey), "r"(rcon)); -} - -/* An ordinary AES round is a sequence of SubBytes, ShiftRows, MixColumns, AddRoundKey. There - * is also an InitialRound which consists solely of AddRoundKey. The ARM instructions slice - * this sequence differently; the aese instruction performs AddRoundKey, SubBytes, ShiftRows. - * The aesmc instruction does the MixColumns. Since the aese instruction moves the AddRoundKey - * up front, and Cryptonight's hash skips the InitialRound step, we have to kludge it here by - * feeding in a vector of zeros for our first step. Also we have to do our own Xor explicitly - * at the last step, to provide the AddRoundKey that the ARM instructions omit. - */ -STATIC INLINE void aes_pseudo_round( - const uint8_t* in, uint8_t* out, const uint8_t* expandedKey, int nblocks) { - const uint8x16_t *k = (const uint8x16_t*)expandedKey, zero = {0}; - uint8x16_t tmp; - int i; - - for (i = 0; i < nblocks; i++) { - uint8x16_t tmp = vld1q_u8(in + i * AES_BLOCK_SIZE); - tmp = vaeseq_u8(tmp, zero); - tmp = vaesmcq_u8(tmp); - tmp = vaeseq_u8(tmp, k[0]); - tmp = vaesmcq_u8(tmp); - tmp = vaeseq_u8(tmp, k[1]); - tmp = vaesmcq_u8(tmp); - tmp = vaeseq_u8(tmp, k[2]); - tmp = vaesmcq_u8(tmp); - tmp = vaeseq_u8(tmp, k[3]); - tmp = vaesmcq_u8(tmp); - tmp = vaeseq_u8(tmp, k[4]); - tmp = vaesmcq_u8(tmp); - tmp = vaeseq_u8(tmp, k[5]); - tmp = vaesmcq_u8(tmp); - tmp = vaeseq_u8(tmp, k[6]); - tmp = vaesmcq_u8(tmp); - tmp = vaeseq_u8(tmp, k[7]); - tmp = vaesmcq_u8(tmp); - tmp = vaeseq_u8(tmp, k[8]); - tmp = vaesmcq_u8(tmp); - tmp = veorq_u8(tmp, k[9]); - vst1q_u8(out + i * AES_BLOCK_SIZE, tmp); - } -} - -STATIC INLINE void aes_pseudo_round_xor( - const uint8_t* in, - uint8_t* out, - const uint8_t* expandedKey, - const uint8_t* xor - , int nblocks) { - const uint8x16_t* k = (const uint8x16_t*)expandedKey; - const uint8x16_t* x = (const uint8x16_t*)xor; - uint8x16_t tmp; - int i; - - for (i = 0; i < nblocks; i++) { - uint8x16_t tmp = vld1q_u8(in + i * AES_BLOCK_SIZE); - tmp = vaeseq_u8(tmp, x[i]); - tmp = vaesmcq_u8(tmp); - tmp = vaeseq_u8(tmp, k[0]); - tmp = vaesmcq_u8(tmp); - tmp = vaeseq_u8(tmp, k[1]); - tmp = vaesmcq_u8(tmp); - tmp = vaeseq_u8(tmp, k[2]); - tmp = vaesmcq_u8(tmp); - tmp = vaeseq_u8(tmp, k[3]); - tmp = vaesmcq_u8(tmp); - tmp = vaeseq_u8(tmp, k[4]); - tmp = vaesmcq_u8(tmp); - tmp = vaeseq_u8(tmp, k[5]); - tmp = vaesmcq_u8(tmp); - tmp = vaeseq_u8(tmp, k[6]); - tmp = vaesmcq_u8(tmp); - tmp = vaeseq_u8(tmp, k[7]); - tmp = vaesmcq_u8(tmp); - tmp = vaeseq_u8(tmp, k[8]); - tmp = vaesmcq_u8(tmp); - tmp = veorq_u8(tmp, k[9]); - vst1q_u8(out + i * AES_BLOCK_SIZE, tmp); - } -} - -#ifdef FORCE_USE_HEAP -STATIC INLINE void* aligned_malloc(size_t size, size_t align) { - void* result; -#ifdef _MSC_VER - result = _aligned_malloc(size, align); -#else - if (posix_memalign(&result, align, size)) - result = NULL; -#endif - return result; -} - -STATIC INLINE void aligned_free(void* ptr) { -#ifdef _MSC_VER - _aligned_free(ptr); -#else - free(ptr); -#endif -} -#endif /* FORCE_USE_HEAP */ - -void cn_monero_hash( - const void* data, size_t length, unsigned char* hash, int variant, int prehashed) { - RDATA_ALIGN16 uint8_t expandedKey[240]; - -#ifndef FORCE_USE_HEAP - RDATA_ALIGN16 uint8_t hp_state[MEMORY]; -#else - uint8_t* hp_state = (uint8_t*)aligned_malloc(MEMORY, 16); -#endif - - uint8_t text[INIT_SIZE_BYTE]; - RDATA_ALIGN16 uint64_t a[2]; - RDATA_ALIGN16 uint64_t b[4]; - RDATA_ALIGN16 uint64_t c[2]; - union cn_monero_hash_state state; - uint8x16_t _a, _b, _b1, _c, zero = {0}; - uint64_t hi, lo; - - size_t i, j; - uint64_t* p = NULL; - - static void (*const extra_hashes[4])(const void*, size_t, char*) = { - hash_extra_blake, hash_extra_groestl, hash_extra_jh, hash_extra_skein}; - - /* CryptoNight Step 1: Use Keccak1600 to initialize the 'state' (and 'text') buffers from the - * data. */ - - if (prehashed) { - memcpy(&state.hs, data, length); - } else { - hash_process(&state.hs, data, length); - } - memcpy(text, state.init, INIT_SIZE_BYTE); - - VARIANT1_INIT64(); - VARIANT2_INIT64(); - - /* CryptoNight Step 2: Iteratively encrypt the results from Keccak to fill - * the 2MB large random access buffer. - */ - - aes_expand_key(state.hs.b, expandedKey); - for (i = 0; i < MEMORY / INIT_SIZE_BYTE; i++) { - aes_pseudo_round(text, text, expandedKey, INIT_SIZE_BLK); - memcpy(&hp_state[i * INIT_SIZE_BYTE], text, INIT_SIZE_BYTE); - } - - U64(a)[0] = U64(&state.k[0])[0] ^ U64(&state.k[32])[0]; - U64(a)[1] = U64(&state.k[0])[1] ^ U64(&state.k[32])[1]; - U64(b)[0] = U64(&state.k[16])[0] ^ U64(&state.k[48])[0]; - U64(b)[1] = U64(&state.k[16])[1] ^ U64(&state.k[48])[1]; - - /* CryptoNight Step 3: Bounce randomly 1,048,576 times (1<<20) through the mixing buffer, - * using 524,288 iterations of the following mixing function. Each execution - * performs two reads and writes from the mixing buffer. - */ - - _b = vld1q_u8((const uint8_t*)b); - _b1 = vld1q_u8(((const uint8_t*)b) + AES_BLOCK_SIZE); - - for (i = 0; i < ITER / 2; i++) { - pre_aes(); - _c = vaeseq_u8(_c, zero); - _c = vaesmcq_u8(_c); - _c = veorq_u8(_c, _a); - post_aes(); - } - - /* CryptoNight Step 4: Sequentially pass through the mixing buffer and use 10 rounds - * of AES encryption to mix the random data back into the 'text' buffer. 'text' - * was originally created with the output of Keccak1600. */ - - memcpy(text, state.init, INIT_SIZE_BYTE); - - aes_expand_key(&state.hs.b[32], expandedKey); - for (i = 0; i < MEMORY / INIT_SIZE_BYTE; i++) { - // add the xor to the pseudo round - aes_pseudo_round_xor(text, text, expandedKey, &hp_state[i * INIT_SIZE_BYTE], INIT_SIZE_BLK); - } - - /* CryptoNight Step 5: Apply Keccak to the state again, and then - * use the resulting data to select which of four finalizer - * hash functions to apply to the data (Blake, Groestl, JH, or Skein). - * Use this hash to squeeze the state array down - * to the final 256 bit hash output. - */ - - memcpy(state.init, text, INIT_SIZE_BYTE); - hash_permutation(&state.hs); - extra_hashes[state.hs.b[0] & 3](&state, 200, hash); - -#ifdef FORCE_USE_HEAP - aligned_free(hp_state); -#endif -} -#else /* aarch64 && crypto */ - -// ND: Some minor optimizations for ARMv7 (raspberrry pi 2), effect seems to be ~40-50% faster. -// Needs more work. - -#ifdef NO_OPTIMIZED_MULTIPLY_ON_ARM -/* The asm corresponds to this C code */ -#define SHORT uint32_t -#define LONG uint64_t - -void mul(const uint8_t* ca, const uint8_t* cb, uint8_t* cres) { - const SHORT* aa = (SHORT*)ca; - const SHORT* bb = (SHORT*)cb; - SHORT* res = (SHORT*)cres; - union { - SHORT tmp[8]; - LONG ltmp[4]; - } t; - LONG A = aa[1]; - LONG a = aa[0]; - LONG B = bb[1]; - LONG b = bb[0]; - - // Aa * Bb = ab + aB_ + Ab_ + AB__ - t.ltmp[0] = a * b; - t.ltmp[1] = a * B; - t.ltmp[2] = A * b; - t.ltmp[3] = A * B; - - res[2] = t.tmp[0]; - t.ltmp[1] += t.tmp[1]; - t.ltmp[1] += t.tmp[4]; - t.ltmp[3] += t.tmp[3]; - t.ltmp[3] += t.tmp[5]; - res[3] = t.tmp[2]; - res[0] = t.tmp[6]; - res[1] = t.tmp[7]; -} -#else // !NO_OPTIMIZED_MULTIPLY_ON_ARM - -#ifdef __aarch64__ /* ARM64, no crypto */ -#define mul(a, b, c) cn_mul128((const uint64_t*)a, (const uint64_t*)b, (uint64_t*)c) -STATIC void cn_mul128(const uint64_t* a, const uint64_t* b, uint64_t* r) { - uint64_t lo, hi; - __asm__("mul %0, %1, %2\n\t" : "=r"(lo) : "r"(a[0]), "r"(b[0])); - __asm__("umulh %0, %1, %2\n\t" : "=r"(hi) : "r"(a[0]), "r"(b[0])); - r[0] = hi; - r[1] = lo; -} -#else /* ARM32 */ -#define mul(a, b, c) cn_mul128((const uint32_t*)a, (const uint32_t*)b, (uint32_t*)c) -STATIC void cn_mul128(const uint32_t* aa, const uint32_t* bb, uint32_t* r) { - uint32_t t0, t1, t2 = 0, t3 = 0; - __asm__ __volatile__( - "umull %[t0], %[t1], %[a], %[b]\n\t" - "str %[t0], %[ll]\n\t" - - // accumulating with 0 can never overflow/carry - "eor %[t0], %[t0]\n\t" - "umlal %[t1], %[t0], %[a], %[B]\n\t" - - "umlal %[t1], %[t2], %[A], %[b]\n\t" - "str %[t1], %[lh]\n\t" - - "umlal %[t0], %[t3], %[A], %[B]\n\t" - - // final add may have a carry - "adds %[t0], %[t0], %[t2]\n\t" - "adc %[t1], %[t3], #0\n\t" - - "str %[t0], %[hl]\n\t" - "str %[t1], %[hh]\n\t" - : [t0] "=&r"(t0), - [t1] "=&r"(t1), - [t2] "+r"(t2), - [t3] "+r"(t3), - [hl] "=m"(r[0]), - [hh] "=m"(r[1]), - [ll] "=m"(r[2]), - [lh] "=m"(r[3]) - : [A] "r"(aa[1]), [a] "r"(aa[0]), [B] "r"(bb[1]), [b] "r"(bb[0]) - : "cc"); -} -#endif /* !aarch64 */ -#endif // NO_OPTIMIZED_MULTIPLY_ON_ARM - -STATIC INLINE void copy_block(uint8_t* dst, const uint8_t* src) { - memcpy(dst, src, AES_BLOCK_SIZE); -} - -STATIC INLINE void sum_half_blocks(uint8_t* a, const uint8_t* b) { - uint64_t a0, a1, b0, b1; - a0 = U64(a)[0]; - a1 = U64(a)[1]; - b0 = U64(b)[0]; - b1 = U64(b)[1]; - a0 += b0; - a1 += b1; - U64(a)[0] = a0; - U64(a)[1] = a1; -} - -STATIC INLINE void swap_blocks(uint8_t* a, uint8_t* b) { - uint64_t t[2]; - U64(t)[0] = U64(a)[0]; - U64(t)[1] = U64(a)[1]; - U64(a)[0] = U64(b)[0]; - U64(a)[1] = U64(b)[1]; - U64(b)[0] = U64(t)[0]; - U64(b)[1] = U64(t)[1]; -} - -STATIC INLINE void xor_blocks(uint8_t* a, const uint8_t* b) { - U64(a)[0] ^= U64(b)[0]; - U64(a)[1] ^= U64(b)[1]; -} - -void cn_monero_hash( - const void* data, size_t length, unsigned char* hash, int variant, int prehashed) { - uint8_t text[INIT_SIZE_BYTE]; - uint8_t a[AES_BLOCK_SIZE]; - uint8_t b[AES_BLOCK_SIZE * 2]; - uint8_t c[AES_BLOCK_SIZE]; - uint8_t c1[AES_BLOCK_SIZE]; - uint8_t d[AES_BLOCK_SIZE]; - uint8_t aes_key[AES_KEY_SIZE]; - RDATA_ALIGN16 uint8_t expandedKey[AES_EXPANDED_KEY_SIZE]; - - union cn_monero_hash_state state; - - size_t i, j; - uint8_t* p = NULL; - static void (*const extra_hashes[4])(const void*, size_t, char*) = { - hash_extra_blake, hash_extra_groestl, hash_extra_jh, hash_extra_skein}; - -#ifndef FORCE_USE_HEAP - uint8_t long_state[MEMORY]; -#else - uint8_t* long_state = (uint8_t*)malloc(MEMORY); -#endif - - if (prehashed) { - memcpy(&state.hs, data, length); - } else { - hash_process(&state.hs, data, length); - } - memcpy(text, state.init, INIT_SIZE_BYTE); - - VARIANT1_INIT64(); - VARIANT2_INIT64(); - - // use aligned data - oaes_expand_key_256(state.hs.b, expandedKey); - for (i = 0; i < MEMORY / INIT_SIZE_BYTE; i++) { - for (j = 0; j < INIT_SIZE_BLK; j++) - aesb_pseudo_round(&text[AES_BLOCK_SIZE * j], &text[AES_BLOCK_SIZE * j], expandedKey); - memcpy(&long_state[i * INIT_SIZE_BYTE], text, INIT_SIZE_BYTE); - } - - U64(a)[0] = U64(&state.k[0])[0] ^ U64(&state.k[32])[0]; - U64(a)[1] = U64(&state.k[0])[1] ^ U64(&state.k[32])[1]; - U64(b)[0] = U64(&state.k[16])[0] ^ U64(&state.k[48])[0]; - U64(b)[1] = U64(&state.k[16])[1] ^ U64(&state.k[48])[1]; - - for (i = 0; i < ITER / 2; i++) { -#define MASK ((uint32_t)(((MEMORY / AES_BLOCK_SIZE) - 1) << 4)) -#define state_index(x) ((*(uint32_t*)x) & MASK) - - // Iteration 1 - j = state_index(a); - p = &long_state[j]; - aesb_single_round(p, p, a); - copy_block(c1, p); - - VARIANT2_PORTABLE_SHUFFLE_ADD(long_state, j); - xor_blocks(p, b); - VARIANT1_1(p); - - // Iteration 2 - j = state_index(c1); - p = &long_state[j]; - copy_block(c, p); - - VARIANT2_PORTABLE_INTEGER_MATH(c, c1); - mul(c1, c, d); - VARIANT2_2_PORTABLE(); - VARIANT2_PORTABLE_SHUFFLE_ADD(long_state, j); - sum_half_blocks(a, d); - swap_blocks(a, c); - xor_blocks(a, c); - VARIANT1_2(U64(c) + 1); - copy_block(p, c); - - if (variant >= 2) { - copy_block(b + AES_BLOCK_SIZE, b); - } - copy_block(b, c1); - } - - memcpy(text, state.init, INIT_SIZE_BYTE); - oaes_expand_key_256(&state.hs.b[32], expandedKey); - for (i = 0; i < MEMORY / INIT_SIZE_BYTE; i++) { - for (j = 0; j < INIT_SIZE_BLK; j++) { - xor_blocks( - &text[j * AES_BLOCK_SIZE], - &long_state[i * INIT_SIZE_BYTE + j * AES_BLOCK_SIZE]); - aesb_pseudo_round(&text[AES_BLOCK_SIZE * j], &text[AES_BLOCK_SIZE * j], expandedKey); - } - } - - memcpy(state.init, text, INIT_SIZE_BYTE); - hash_permutation(&state.hs); - extra_hashes[state.hs.b[0] & 3](&state, 200, hash); -#ifdef FORCE_USE_HEAP - free(long_state); -#endif -} -#endif /* !aarch64 || !crypto */ - -#else -// Portable implementation as a fallback - -void monero_hash_allocate_state(void) { - // Do nothing, this is just to maintain compatibility with the upgraded slow-hash.c - return; -} - -void monero_hash_free_state(void) { - // As above - return; -} - -static void (*const extra_hashes[4])(const void*, size_t, char*) = { - hash_extra_blake, hash_extra_groestl, hash_extra_jh, hash_extra_skein}; - -static size_t e2i(const uint8_t* a, size_t count) { - return (*((uint64_t*)a) / AES_BLOCK_SIZE) & (count - 1); -} - -static void mul(const uint8_t* a, const uint8_t* b, uint8_t* res) { - uint64_t a0, b0; - uint64_t hi, lo; - - a0 = SWAP64LE(((uint64_t*)a)[0]); - b0 = SWAP64LE(((uint64_t*)b)[0]); - lo = mul128(a0, b0, &hi); - ((uint64_t*)res)[0] = SWAP64LE(hi); - ((uint64_t*)res)[1] = SWAP64LE(lo); -} - -static void sum_half_blocks(uint8_t* a, const uint8_t* b) { - uint64_t a0, a1, b0, b1; - - a0 = SWAP64LE(((uint64_t*)a)[0]); - a1 = SWAP64LE(((uint64_t*)a)[1]); - b0 = SWAP64LE(((uint64_t*)b)[0]); - b1 = SWAP64LE(((uint64_t*)b)[1]); - a0 += b0; - a1 += b1; - ((uint64_t*)a)[0] = SWAP64LE(a0); - ((uint64_t*)a)[1] = SWAP64LE(a1); -} -#define U64(x) ((uint64_t*)(x)) - -static void copy_block(uint8_t* dst, const uint8_t* src) { - memcpy(dst, src, AES_BLOCK_SIZE); -} - -static void swap_blocks(uint8_t* a, uint8_t* b) { - uint64_t t[2]; - U64(t)[0] = U64(a)[0]; - U64(t)[1] = U64(a)[1]; - U64(a)[0] = U64(b)[0]; - U64(a)[1] = U64(b)[1]; - U64(b)[0] = U64(t)[0]; - U64(b)[1] = U64(t)[1]; -} - -static void xor_blocks(uint8_t* a, const uint8_t* b) { - size_t i; - for (i = 0; i < AES_BLOCK_SIZE; i++) { - a[i] ^= b[i]; - } -} - -static void xor64(uint8_t* left, const uint8_t* right) { - size_t i; - for (i = 0; i < 8; ++i) { - left[i] ^= right[i]; - } -} - -#pragma pack(push, 1) -union cn_monero_hash_state { - union hash_state hs; - struct { - uint8_t k[64]; - uint8_t init[INIT_SIZE_BYTE]; - }; -}; -#pragma pack(pop) - -void cn_monero_hash( - const void* data, size_t length, unsigned char* hash, int variant, int prehashed) { -#ifndef FORCE_USE_HEAP - uint8_t long_state[MEMORY]; -#else - uint8_t* long_state = (uint8_t*)malloc(MEMORY); -#endif - - union cn_monero_hash_state state; - uint8_t text[INIT_SIZE_BYTE]; - uint8_t a[AES_BLOCK_SIZE]; - uint8_t b[AES_BLOCK_SIZE * 2]; - uint8_t c1[AES_BLOCK_SIZE]; - uint8_t c2[AES_BLOCK_SIZE]; - uint8_t d[AES_BLOCK_SIZE]; - size_t i, j; - uint8_t aes_key[AES_KEY_SIZE]; - uint8_t expandedKey[AES_EXPANDED_KEY_SIZE]; - - if (prehashed) { - memcpy(&state.hs, data, length); - } else { - hash_process(&state.hs, data, length); - } - memcpy(text, state.init, INIT_SIZE_BYTE); - memcpy(aes_key, state.hs.b, AES_KEY_SIZE); - - VARIANT1_PORTABLE_INIT(); - VARIANT2_PORTABLE_INIT(); - - oaes_expand_key_256(aes_key, expandedKey); - for (i = 0; i < MEMORY / INIT_SIZE_BYTE; i++) { - for (j = 0; j < INIT_SIZE_BLK; j++) { - aesb_pseudo_round(&text[AES_BLOCK_SIZE * j], &text[AES_BLOCK_SIZE * j], expandedKey); - } - memcpy(&long_state[i * INIT_SIZE_BYTE], text, INIT_SIZE_BYTE); - } - - for (i = 0; i < AES_BLOCK_SIZE; i++) { - a[i] = state.k[i] ^ state.k[AES_BLOCK_SIZE * 2 + i]; - b[i] = state.k[AES_BLOCK_SIZE + i] ^ state.k[AES_BLOCK_SIZE * 3 + i]; - } - - for (i = 0; i < ITER / 2; i++) { - /* Dependency chain: address -> read value ------+ - * written value <-+ hard function (AES or MUL) <+ - * next address <-+ - */ - /* Iteration 1 */ - j = e2i(a, MEMORY / AES_BLOCK_SIZE) * AES_BLOCK_SIZE; - copy_block(c1, &long_state[j]); - aesb_single_round(c1, c1, a); - VARIANT2_PORTABLE_SHUFFLE_ADD(long_state, j); - copy_block(&long_state[j], c1); - xor_blocks(&long_state[j], b); - assert(j == e2i(a, MEMORY / AES_BLOCK_SIZE) * AES_BLOCK_SIZE); - VARIANT1_1(&long_state[j]); - /* Iteration 2 */ - j = e2i(c1, MEMORY / AES_BLOCK_SIZE) * AES_BLOCK_SIZE; - copy_block(c2, &long_state[j]); - VARIANT2_PORTABLE_INTEGER_MATH(c2, c1); - mul(c1, c2, d); - VARIANT2_2_PORTABLE(); - VARIANT2_PORTABLE_SHUFFLE_ADD(long_state, j); - swap_blocks(a, c1); - sum_half_blocks(c1, d); - swap_blocks(c1, c2); - xor_blocks(c1, c2); - VARIANT1_2(c2 + 8); - copy_block(&long_state[j], c2); - assert(j == e2i(a, MEMORY / AES_BLOCK_SIZE) * AES_BLOCK_SIZE); - if (variant >= 2) { - copy_block(b + AES_BLOCK_SIZE, b); - } - copy_block(b, a); - copy_block(a, c1); - } - - memcpy(text, state.init, INIT_SIZE_BYTE); - oaes_expand_key_256(&state.hs.b[32], expandedKey); - for (i = 0; i < MEMORY / INIT_SIZE_BYTE; i++) { - for (j = 0; j < INIT_SIZE_BLK; j++) { - xor_blocks( - &text[j * AES_BLOCK_SIZE], - &long_state[i * INIT_SIZE_BYTE + j * AES_BLOCK_SIZE]); - aesb_pseudo_round(&text[AES_BLOCK_SIZE * j], &text[AES_BLOCK_SIZE * j], expandedKey); - } - } - memcpy(state.init, text, INIT_SIZE_BYTE); - hash_permutation(&state.hs); - /*memcpy(hash, &state, 32);*/ - extra_hashes[state.hs.b[0] & 3](&state, 200, hash); - -#ifdef FORCE_USE_HEAP - free(long_state); -#endif -} - -#endif diff --git a/src/crypto/cn_turtle_hash-amd64.inl b/src/crypto/cn_turtle_hash-amd64.inl deleted file mode 100644 index 3c86f70..0000000 --- a/src/crypto/cn_turtle_hash-amd64.inl +++ /dev/null @@ -1,546 +0,0 @@ -// Optimised code below, uses x86-specific intrinsics, SSE2, AES-NI. We do a cpuid runtime check -// before actually calling any AES code, and otherwise fall back to more portable code. - -#include -#if defined(_MSC_VER) || defined(__MINGW32__) || defined(__CYGWIN__) -# include -# include -#else -# include -# include -#endif - -#if defined(_MSC_VER) -# define ASM __asm -# define STATIC -# define INLINE __inline -# if !defined(RDATA_ALIGN16) -# define RDATA_ALIGN16 __declspec(align(16)) -# endif -#else -# define ASM __asm__ -# define STATIC static -# define INLINE inline -# if !defined(RDATA_ALIGN16) -# define RDATA_ALIGN16 __attribute__ ((aligned(16))) -# endif -#endif - -#define U64(x) ((uint64_t *) (x)) -#define R128(x) ((__m128i *) (x)) - -#define state_index(x,div) (((*((uint64_t *)x) >> 4) & (TOTALBLOCKS /(div) - 1)) << 4) -#if defined(_MSC_VER) -# if !defined(_WIN64) -# define __mul() lo = mul128(c[0], b[0], &hi); -# else -# define __mul() lo = _umul128(c[0], b[0], &hi); -# endif -#else -# if defined(__x86_64__) -# define __mul() ASM("mulq %3\n\t" : "=d"(hi), "=a"(lo) : "%a" (c[0]), "rm" (b[0]) : "cc"); -# else -# define __mul() lo = mul128(c[0], b[0], &hi); -# endif -#endif - -#define pre_aes() \ - j = state_index(a,lightFlag); \ - _c = _mm_load_si128(R128(&hp_state[j])); \ - _a = _mm_load_si128(R128(a)); \ - -/* - * An SSE-optimized implementation of the second half of CryptoNight step 3. - * After using AES to mix a scratchpad value into _c (done by the caller), - * this macro xors it with _b and stores the result back to the same index (j) that it - * loaded the scratchpad value from. It then performs a second random memory - * read/write from the scratchpad, but this time mixes the values using a 64 - * bit multiply. - * This code is based upon an optimized implementation by dga. - */ -#define post_aes() \ - VARIANT2_SHUFFLE_ADD_SSE2(hp_state, j); \ - _mm_store_si128(R128(c), _c); \ - _mm_store_si128(R128(&hp_state[j]), _mm_xor_si128(_b, _c)); \ - VARIANT1_1(&hp_state[j]); \ - j = state_index(c,lightFlag); \ - p = U64(&hp_state[j]); \ - b[0] = p[0]; b[1] = p[1]; \ - VARIANT2_INTEGER_MATH_SSE2(b, c); \ - __mul(); \ - VARIANT2_2(); \ - VARIANT2_SHUFFLE_ADD_SSE2(hp_state, j); \ - a[0] += hi; a[1] += lo; \ - p = U64(&hp_state[j]); \ - p[0] = a[0]; p[1] = a[1]; \ - a[0] ^= b[0]; a[1] ^= b[1]; \ - VARIANT1_2(p + 1); \ - _b1 = _b; \ - _b = _c; \ - -#if defined(_MSC_VER) -#define THREADV __declspec(thread) -#else -#define THREADV __thread -#endif - -#pragma pack(push, 1) -union cn_turtle_hash_state -{ - union hash_state hs; - struct - { - uint8_t k[64]; - uint8_t init[INIT_SIZE_BYTE]; - }; -}; -#pragma pack(pop) - -THREADV uint8_t *hp_state = NULL; -THREADV int hp_allocated = 0; - -/** - * @brief a = (a xor b), where a and b point to 128 bit values - */ - -STATIC INLINE void xor_blocks(uint8_t *a, const uint8_t *b) -{ - U64(a)[0] ^= U64(b)[0]; - U64(a)[1] ^= U64(b)[1]; -} - -STATIC INLINE void xor64(uint64_t *a, const uint64_t b) -{ - *a ^= b; -} - -STATIC INLINE void aes_256_assist1(__m128i* t1, __m128i * t2) -{ - __m128i t4; - *t2 = _mm_shuffle_epi32(*t2, 0xff); - t4 = _mm_slli_si128(*t1, 0x04); - *t1 = _mm_xor_si128(*t1, t4); - t4 = _mm_slli_si128(t4, 0x04); - *t1 = _mm_xor_si128(*t1, t4); - t4 = _mm_slli_si128(t4, 0x04); - *t1 = _mm_xor_si128(*t1, t4); - *t1 = _mm_xor_si128(*t1, *t2); -} - -STATIC INLINE void aes_256_assist2(__m128i* t1, __m128i * t3) -{ - __m128i t2, t4; - t4 = _mm_aeskeygenassist_si128(*t1, 0x00); - t2 = _mm_shuffle_epi32(t4, 0xaa); - t4 = _mm_slli_si128(*t3, 0x04); - *t3 = _mm_xor_si128(*t3, t4); - t4 = _mm_slli_si128(t4, 0x04); - *t3 = _mm_xor_si128(*t3, t4); - t4 = _mm_slli_si128(t4, 0x04); - *t3 = _mm_xor_si128(*t3, t4); - *t3 = _mm_xor_si128(*t3, t2); -} - -/** - * @brief expands 'key' into a form it can be used for AES encryption. - * - * This is an SSE-optimized implementation of AES key schedule generation. It - * expands the key into multiple round keys, each of which is used in one round - * of the AES encryption used to fill (and later, extract randomness from) - * the large 2MB buffer. Note that CryptoNight does not use a completely - * standard AES encryption for its buffer expansion, so do not copy this - * function outside of Monero without caution! This version uses the hardware - * AESKEYGENASSIST instruction to speed key generation, and thus requires - * CPU AES support. - * For more information about these functions, see page 19 of Intel's AES instructions - * white paper: - * https://www.intel.com/content/dam/doc/white-paper/advanced-encryption-standard-new-instructions-set-paper.pdf - * - * @param key the input 128 bit key - * @param expandedKey An output buffer to hold the generated key schedule - */ - -STATIC INLINE void aes_expand_key(const uint8_t *key, uint8_t *expandedKey) -{ - __m128i *ek = R128(expandedKey); - __m128i t1, t2, t3; - - t1 = _mm_loadu_si128(R128(key)); - t3 = _mm_loadu_si128(R128(key + 16)); - - ek[0] = t1; - ek[1] = t3; - - t2 = _mm_aeskeygenassist_si128(t3, 0x01); - aes_256_assist1(&t1, &t2); - ek[2] = t1; - aes_256_assist2(&t1, &t3); - ek[3] = t3; - - t2 = _mm_aeskeygenassist_si128(t3, 0x02); - aes_256_assist1(&t1, &t2); - ek[4] = t1; - aes_256_assist2(&t1, &t3); - ek[5] = t3; - - t2 = _mm_aeskeygenassist_si128(t3, 0x04); - aes_256_assist1(&t1, &t2); - ek[6] = t1; - aes_256_assist2(&t1, &t3); - ek[7] = t3; - - t2 = _mm_aeskeygenassist_si128(t3, 0x08); - aes_256_assist1(&t1, &t2); - ek[8] = t1; - aes_256_assist2(&t1, &t3); - ek[9] = t3; - - t2 = _mm_aeskeygenassist_si128(t3, 0x10); - aes_256_assist1(&t1, &t2); - ek[10] = t1; -} - -/** - * @brief a "pseudo" round of AES (similar to but slightly different from normal AES encryption) - * - * To fill its 2MB scratch buffer, CryptoNight uses a nonstandard implementation - * of AES encryption: It applies 10 rounds of the basic AES encryption operation - * to an input 128 bit chunk of data . Unlike normal AES, however, this is - * all it does; it does not perform the initial AddRoundKey step (this is done - * in subsequent steps by aesenc_si128), and it does not use the simpler final round. - * Hence, this is a "pseudo" round - though the function actually implements 10 rounds together. - * - * Note that unlike aesb_pseudo_round, this function works on multiple data chunks. - * - * @param in a pointer to nblocks * 128 bits of data to be encrypted - * @param out a pointer to an nblocks * 128 bit buffer where the output will be stored - * @param expandedKey the expanded AES key - * @param nblocks the number of 128 blocks of data to be encrypted - */ - -STATIC INLINE void aes_pseudo_round(const uint8_t *in, uint8_t *out, - const uint8_t *expandedKey, int nblocks) -{ - __m128i *k = R128(expandedKey); - __m128i d; - int i; - - for(i = 0; i < nblocks; i++) - { - d = _mm_loadu_si128(R128(in + i * AES_BLOCK_SIZE)); - d = _mm_aesenc_si128(d, *R128(&k[0])); - d = _mm_aesenc_si128(d, *R128(&k[1])); - d = _mm_aesenc_si128(d, *R128(&k[2])); - d = _mm_aesenc_si128(d, *R128(&k[3])); - d = _mm_aesenc_si128(d, *R128(&k[4])); - d = _mm_aesenc_si128(d, *R128(&k[5])); - d = _mm_aesenc_si128(d, *R128(&k[6])); - d = _mm_aesenc_si128(d, *R128(&k[7])); - d = _mm_aesenc_si128(d, *R128(&k[8])); - d = _mm_aesenc_si128(d, *R128(&k[9])); - _mm_storeu_si128((R128(out + i * AES_BLOCK_SIZE)), d); - } -} - -/** - * @brief aes_pseudo_round that loads data from *in and xors it with *xor first - * - * This function performs the same operations as aes_pseudo_round, but before - * performing the encryption of each 128 bit block from , it xors - * it with the corresponding block from . - * - * @param in a pointer to nblocks * 128 bits of data to be encrypted - * @param out a pointer to an nblocks * 128 bit buffer where the output will be stored - * @param expandedKey the expanded AES key - * @param xor a pointer to an nblocks * 128 bit buffer that is xored into in before encryption (in is left unmodified) - * @param nblocks the number of 128 blocks of data to be encrypted - */ - -STATIC INLINE void aes_pseudo_round_xor(const uint8_t *in, uint8_t *out, - const uint8_t *expandedKey, const uint8_t *xor, int nblocks) -{ - __m128i *k = R128(expandedKey); - __m128i *x = R128(xor); - __m128i d; - int i; - - for(i = 0; i < nblocks; i++) - { - d = _mm_loadu_si128(R128(in + i * AES_BLOCK_SIZE)); - d = _mm_xor_si128(d, *R128(x++)); - d = _mm_aesenc_si128(d, *R128(&k[0])); - d = _mm_aesenc_si128(d, *R128(&k[1])); - d = _mm_aesenc_si128(d, *R128(&k[2])); - d = _mm_aesenc_si128(d, *R128(&k[3])); - d = _mm_aesenc_si128(d, *R128(&k[4])); - d = _mm_aesenc_si128(d, *R128(&k[5])); - d = _mm_aesenc_si128(d, *R128(&k[6])); - d = _mm_aesenc_si128(d, *R128(&k[7])); - d = _mm_aesenc_si128(d, *R128(&k[8])); - d = _mm_aesenc_si128(d, *R128(&k[9])); - _mm_storeu_si128((R128(out + i * AES_BLOCK_SIZE)), d); - } -} - -#if defined(_MSC_VER) || defined(__MINGW32__) || defined(__CYGWIN__) -BOOL SetLockPagesPrivilege(HANDLE hProcess, BOOL bEnable) -{ - struct - { - DWORD count; - LUID_AND_ATTRIBUTES privilege[1]; - } info; - - HANDLE token; - if(!OpenProcessToken(hProcess, TOKEN_ADJUST_PRIVILEGES, &token)) - return FALSE; - - info.count = 1; - info.privilege[0].Attributes = bEnable ? SE_PRIVILEGE_ENABLED : 0; - - if(!LookupPrivilegeValue(NULL, SE_LOCK_MEMORY_NAME, &(info.privilege[0].Luid))) - return FALSE; - - if(!AdjustTokenPrivileges(token, FALSE, (PTOKEN_PRIVILEGES) &info, 0, NULL, NULL)) - return FALSE; - - if (GetLastError() != ERROR_SUCCESS) - return FALSE; - - CloseHandle(token); - - return TRUE; -} -#endif - -/** - * @brief allocate the 2MB scratch buffer using OS support for huge pages, if available - * - * This function tries to allocate the 2MB scratch buffer using a single - * 2MB "huge page" (instead of the usual 4KB page sizes) to reduce TLB misses - * during the random accesses to the scratch buffer. This is one of the - * important speed optimizations needed to make CryptoNight faster. - * - * No parameters. Updates a thread-local pointer, hp_state, to point to - * the allocated buffer. - */ - -void slow_hash_allocate_state(uint32_t page_size) -{ - if(hp_state != NULL) - return; - -#if defined(_MSC_VER) || defined(__MINGW32__) || defined(__CYGWIN__) - SetLockPagesPrivilege(GetCurrentProcess(), TRUE); - hp_state = (uint8_t *) VirtualAlloc(hp_state, page_size, MEM_LARGE_PAGES | - MEM_COMMIT | MEM_RESERVE, PAGE_READWRITE); -#else -#if defined(__APPLE__) || defined(__FreeBSD__) || defined(__OpenBSD__) || \ - defined(__DragonFly__) || defined(__NetBSD__) - hp_state = mmap(0, page_size, PROT_READ | PROT_WRITE, - MAP_PRIVATE | MAP_ANON, 0, 0); -#else - hp_state = mmap(0, page_size, PROT_READ | PROT_WRITE, - MAP_PRIVATE | MAP_ANONYMOUS | MAP_HUGETLB, 0, 0); -#endif - if(hp_state == MAP_FAILED) - hp_state = NULL; -#endif - hp_allocated = 1; - if(hp_state == NULL) - { - hp_allocated = 0; - hp_state = (uint8_t *) malloc(page_size); - } -} - -/** - *@brief frees the state allocated by slow_hash_allocate_state - */ - -void slow_hash_free_state(uint32_t page_size) -{ - if(hp_state == NULL) - return; - - if(!hp_allocated) - free(hp_state); - else - { -#if defined(_MSC_VER) || defined(__MINGW32__) || defined(__CYGWIN__) - VirtualFree(hp_state, 0, MEM_RELEASE); -#else - munmap(hp_state, page_size); -#endif - } - - hp_state = NULL; - hp_allocated = 0; -} - -/** - * @brief the hash function implementing CryptoNight, used for the Monero proof-of-work - * - * Computes the hash of (which consists of bytes), returning the - * hash in . The CryptoNight hash operates by first using Keccak 1600, - * the 1600 bit variant of the Keccak hash used in SHA-3, to create a 200 byte - * buffer of pseudorandom data by hashing the supplied data. It then uses this - * random data to fill a large 2MB buffer with pseudorandom data by iteratively - * encrypting it using 10 rounds of AES per entry. After this initialization, - * it executes 524,288 rounds of mixing through the random 2MB buffer using - * AES (typically provided in hardware on modern CPUs) and a 64 bit multiply. - * Finally, it re-mixes this large buffer back into - * the 200 byte "text" buffer, and then hashes this buffer using one of four - * pseudorandomly selected hash functions (Blake, Groestl, JH, or Skein) - * to populate the output. - * - * The 2MB buffer and choice of functions for mixing are designed to make the - * algorithm "CPU-friendly" (and thus, reduce the advantage of GPU, FPGA, - * or ASIC-based implementations): the functions used are fast on modern - * CPUs, and the 2MB size matches the typical amount of L3 cache available per - * core on 2013-era CPUs. When available, this implementation will use hardware - * AES support on x86 CPUs. - * - * A diagram of the inner loop of this function can be found at - * https://www.cs.cmu.edu/~dga/crypto/xmr/cryptonight.png - * - * @param data the data to hash - * @param length the length in bytes of the data - * @param hash a pointer to a buffer in which the final 256 bit hash will be stored - */ -void cn_turtle_hash(const void *data, size_t length, unsigned char *hash, int light, int variant, int prehashed, uint32_t scratchpad, uint32_t iterations) -{ - uint32_t TOTALBLOCKS = (CN_TURTLE_PAGE_SIZE / AES_BLOCK_SIZE); - uint32_t init_rounds = (scratchpad / INIT_SIZE_BYTE); - uint32_t aes_rounds = (iterations / 2); - size_t lightFlag = (light ? 2: 1); - - RDATA_ALIGN16 uint8_t expandedKey[AES_EXPANDED_KEY_SIZE]; /* These buffers are aligned to use later with SSE functions */ - - uint8_t text[INIT_SIZE_BYTE]; - RDATA_ALIGN16 uint64_t a[2]; - RDATA_ALIGN16 uint64_t b[4]; - RDATA_ALIGN16 uint64_t c[2]; - union cn_turtle_hash_state state; - __m128i _a, _b, _b1, _c; - uint64_t hi, lo; - - size_t i, j; - uint64_t *p = NULL; - - static void (*const extra_hashes[4])(const void *, size_t, unsigned char *) = - { - hash_extra_blake, hash_extra_groestl, hash_extra_jh, hash_extra_skein - }; - - slow_hash_allocate_state(CN_TURTLE_PAGE_SIZE); - - /* CryptoNight Step 1: Use Keccak1600 to initialize the 'state' (and 'text') buffers from the data. */ - if (prehashed) { - memcpy(&state.hs, data, length); - } else { - hash_process(&state.hs, data, length); - } - memcpy(text, state.init, INIT_SIZE_BYTE); - - VARIANT1_INIT64(); - VARIANT2_INIT64(); - - /* CryptoNight Step 2: Iteratively encrypt the results from Keccak to fill - * the 2MB large random access buffer. - */ - - if(cpu_aes_enabled) - { - aes_expand_key(state.hs.b, expandedKey); - for(i = 0; i < init_rounds; i++) - { - aes_pseudo_round(text, text, expandedKey, INIT_SIZE_BLK); - memcpy(&hp_state[i * INIT_SIZE_BYTE], text, INIT_SIZE_BYTE); - } - } - else - { - oaes_expand_key_256(state.hs.b, expandedKey); - for(i = 0; i < init_rounds; i++) - { - for(j = 0; j < INIT_SIZE_BLK; j++) - aesb_pseudo_round(&text[AES_BLOCK_SIZE * j], &text[AES_BLOCK_SIZE * j], expandedKey); - - memcpy(&hp_state[i * INIT_SIZE_BYTE], text, INIT_SIZE_BYTE); - } - } - - U64(a)[0] = U64(&state.k[0])[0] ^ U64(&state.k[32])[0]; - U64(a)[1] = U64(&state.k[0])[1] ^ U64(&state.k[32])[1]; - U64(b)[0] = U64(&state.k[16])[0] ^ U64(&state.k[48])[0]; - U64(b)[1] = U64(&state.k[16])[1] ^ U64(&state.k[48])[1]; - - /* CryptoNight Step 3: Bounce randomly 1,048,576 times (1<<20) through the mixing buffer, - * using 524,288 iterations of the following mixing function. Each execution - * performs two reads and writes from the mixing buffer. - */ - - _b = _mm_load_si128(R128(b)); - _b1 = _mm_load_si128(R128(b) + 1); - // Two independent versions, one with AES, one without, to ensure that - // the cpu_aes_enabled test is only performed once, not every iteration. - if(cpu_aes_enabled) - { - for(i = 0; i < aes_rounds; i++) - { - pre_aes(); - _c = _mm_aesenc_si128(_c, _a); - post_aes(); - } - } - else - { - for(i = 0; i < aes_rounds; i++) - { - pre_aes(); - aesb_single_round((uint8_t *) &_c, (uint8_t *) &_c, (uint8_t *) &_a); - post_aes(); - } - } - - /* CryptoNight Step 4: Sequentially pass through the mixing buffer and use 10 rounds - * of AES encryption to mix the random data back into the 'text' buffer. 'text' - * was originally created with the output of Keccak1600. */ - - memcpy(text, state.init, INIT_SIZE_BYTE); - if(cpu_aes_enabled) - { - aes_expand_key(&state.hs.b[32], expandedKey); - for(i = 0; i < init_rounds; i++) - { - // add the xor to the pseudo round - aes_pseudo_round_xor(text, text, expandedKey, &hp_state[i * INIT_SIZE_BYTE], INIT_SIZE_BLK); - } - } - else - { - oaes_expand_key_256(&state.hs.b[32], expandedKey); - for(i = 0; i < init_rounds; i++) - { - for(j = 0; j < INIT_SIZE_BLK; j++) - { - xor_blocks(&text[j * AES_BLOCK_SIZE], &hp_state[i * INIT_SIZE_BYTE + j * AES_BLOCK_SIZE]); - aesb_pseudo_round(&text[AES_BLOCK_SIZE * j], &text[AES_BLOCK_SIZE * j], expandedKey); - } - } - } - - /* CryptoNight Step 5: Apply Keccak to the state again, and then - * use the resulting data to select which of four finalizer - * hash functions to apply to the data (Blake, Groestl, JH, or Skein). - * Use this hash to squeeze the state array down - * to the final 256 bit hash output. - */ - - memcpy(state.init, text, INIT_SIZE_BYTE); - hash_permutation(&state.hs); - extra_hashes[state.hs.b[0] & 3](&state, 200, hash); - slow_hash_free_state(CN_TURTLE_PAGE_SIZE); -} - diff --git a/src/crypto/cn_turtle_hash-arm.inl b/src/crypto/cn_turtle_hash-arm.inl deleted file mode 100644 index fcdecad..0000000 --- a/src/crypto/cn_turtle_hash-arm.inl +++ /dev/null @@ -1,551 +0,0 @@ - -#if defined(__GNUC__) -#define RDATA_ALIGN16 __attribute__ ((aligned(16))) -#define STATIC static -#define INLINE inline -#else -#define RDATA_ALIGN16 -#define STATIC static -#define INLINE -#endif - -#define U64(x) ((uint64_t *) (x)) - -STATIC INLINE void xor64(uint64_t *a, const uint64_t b) -{ - *a ^= b; -} - -#pragma pack(push, 1) -union cn_turtle_hash_state -{ - union hash_state hs; - struct - { - uint8_t k[64]; - uint8_t init[INIT_SIZE_BYTE]; - }; -}; -#pragma pack(pop) - -#if defined(__aarch64__) && defined(__ARM_FEATURE_CRYPTO) - -/* ARMv8-A optimized with NEON and AES instructions. - * Copied from the x86-64 AES-NI implementation. It has much the same - * characteristics as x86-64: there's no 64x64=128 multiplier for vectors, - * and moving between vector and regular registers stalls the pipeline. - */ -#include - -#define state_index(x,div) (((*((uint64_t *)x) >> 4) & (TOTALBLOCKS /(div) - 1)) << 4) -#define __mul() __asm__("mul %0, %1, %2\n\t" : "=r"(lo) : "r"(c[0]), "r"(b[0]) ); \ - __asm__("umulh %0, %1, %2\n\t" : "=r"(hi) : "r"(c[0]), "r"(b[0]) ); - -#define pre_aes() \ - j = state_index(a,lightFlag); \ - _c = vld1q_u8(&hp_state[j]); \ - _a = vld1q_u8((const uint8_t *)a); \ - -#define post_aes() \ - VARIANT2_SHUFFLE_ADD_NEON(hp_state, j); \ - vst1q_u8((uint8_t *)c, _c); \ - vst1q_u8(&hp_state[j], veorq_u8(_b, _c)); \ - VARIANT1_1(&hp_state[j]); \ - j = state_index(c,lightFlag); \ - p = U64(&hp_state[j]); \ - b[0] = p[0]; b[1] = p[1]; \ - VARIANT2_PORTABLE_INTEGER_MATH(b, c); \ - __mul(); \ - VARIANT2_2(); \ - VARIANT2_SHUFFLE_ADD_NEON(hp_state, j); \ - a[0] += hi; a[1] += lo; \ - p = U64(&hp_state[j]); \ - p[0] = a[0]; p[1] = a[1]; \ - a[0] ^= b[0]; a[1] ^= b[1]; \ - VARIANT1_2(p + 1); \ - _b1 = _b; \ - _b = _c; \ - - -/* Note: this was based on a standard 256bit key schedule but - * it's been shortened since Cryptonight doesn't use the full - * key schedule. Don't try to use this for vanilla AES. -*/ -static void aes_expand_key(const uint8_t *key, uint8_t *expandedKey) { -static const int rcon[] = { - 0x01,0x01,0x01,0x01, - 0x0c0f0e0d,0x0c0f0e0d,0x0c0f0e0d,0x0c0f0e0d, // rotate-n-splat - 0x1b,0x1b,0x1b,0x1b }; -__asm__( -" eor v0.16b,v0.16b,v0.16b\n" -" ld1 {v3.16b},[%0],#16\n" -" ld1 {v1.4s,v2.4s},[%2],#32\n" -" ld1 {v4.16b},[%0]\n" -" mov w2,#5\n" -" st1 {v3.4s},[%1],#16\n" -"\n" -"1:\n" -" tbl v6.16b,{v4.16b},v2.16b\n" -" ext v5.16b,v0.16b,v3.16b,#12\n" -" st1 {v4.4s},[%1],#16\n" -" aese v6.16b,v0.16b\n" -" subs w2,w2,#1\n" -"\n" -" eor v3.16b,v3.16b,v5.16b\n" -" ext v5.16b,v0.16b,v5.16b,#12\n" -" eor v3.16b,v3.16b,v5.16b\n" -" ext v5.16b,v0.16b,v5.16b,#12\n" -" eor v6.16b,v6.16b,v1.16b\n" -" eor v3.16b,v3.16b,v5.16b\n" -" shl v1.16b,v1.16b,#1\n" -" eor v3.16b,v3.16b,v6.16b\n" -" st1 {v3.4s},[%1],#16\n" -" b.eq 2f\n" -"\n" -" dup v6.4s,v3.s[3] // just splat\n" -" ext v5.16b,v0.16b,v4.16b,#12\n" -" aese v6.16b,v0.16b\n" -"\n" -" eor v4.16b,v4.16b,v5.16b\n" -" ext v5.16b,v0.16b,v5.16b,#12\n" -" eor v4.16b,v4.16b,v5.16b\n" -" ext v5.16b,v0.16b,v5.16b,#12\n" -" eor v4.16b,v4.16b,v5.16b\n" -"\n" -" eor v4.16b,v4.16b,v6.16b\n" -" b 1b\n" -"\n" -"2:\n" : : "r"(key), "r"(expandedKey), "r"(rcon)); -} - -/* An ordinary AES round is a sequence of SubBytes, ShiftRows, MixColumns, AddRoundKey. There - * is also an InitialRound which consists solely of AddRoundKey. The ARM instructions slice - * this sequence differently; the aese instruction performs AddRoundKey, SubBytes, ShiftRows. - * The aesmc instruction does the MixColumns. Since the aese instruction moves the AddRoundKey - * up front, and Cryptonight's hash skips the InitialRound step, we have to kludge it here by - * feeding in a vector of zeros for our first step. Also we have to do our own Xor explicitly - * at the last step, to provide the AddRoundKey that the ARM instructions omit. - */ -STATIC INLINE void aes_pseudo_round(const uint8_t *in, uint8_t *out, const uint8_t *expandedKey, int nblocks) -{ - const uint8x16_t *k = (const uint8x16_t *)expandedKey, zero = {0}; - uint8x16_t tmp; - int i; - - for (i=0; i= 2) { - copy_block(b + AES_BLOCK_SIZE, b); - } - copy_block(b, c1); - } - - memcpy(text, state.init, INIT_SIZE_BYTE); - oaes_expand_key_256(&state.hs.b[32], expandedKey); - for(i = 0; i < init_rounds; i++) - { - for(j = 0; j < INIT_SIZE_BLK; j++) - { - xor_blocks(&text[j * AES_BLOCK_SIZE], &long_state[i * INIT_SIZE_BYTE + j * AES_BLOCK_SIZE]); - aesb_pseudo_round(&text[AES_BLOCK_SIZE * j], &text[AES_BLOCK_SIZE * j], expandedKey); - } - } - - memcpy(state.init, text, INIT_SIZE_BYTE); - hash_permutation(&state.hs); - extra_hashes[state.hs.b[0] & 3](&state, 200, hash); -#ifdef FORCE_USE_HEAP - free(long_state); -#endif -} -#endif /* !aarch64 || !crypto */ - diff --git a/src/crypto/cn_turtle_hash-portable.inl b/src/crypto/cn_turtle_hash-portable.inl deleted file mode 100644 index 64ac8b7..0000000 --- a/src/crypto/cn_turtle_hash-portable.inl +++ /dev/null @@ -1,178 +0,0 @@ -// Portable implementation as a fallback - -static void (*const extra_hashes[4])(const void *, size_t, unsigned char *) = { - hash_extra_blake, hash_extra_groestl, hash_extra_jh, hash_extra_skein -}; - -extern int aesb_single_round(const uint8_t *in, uint8_t*out, const uint8_t *expandedKey); -extern int aesb_pseudo_round(const uint8_t *in, uint8_t *out, const uint8_t *expandedKey); - -static void mul(const uint8_t* a, const uint8_t* b, uint8_t* res) { - uint64_t a0, b0; - uint64_t hi, lo; - - a0 = SWAP64LE(((uint64_t*)a)[0]); - b0 = SWAP64LE(((uint64_t*)b)[0]); - lo = mul128(a0, b0, &hi); - ((uint64_t*)res)[0] = SWAP64LE(hi); - ((uint64_t*)res)[1] = SWAP64LE(lo); -} - -static void sum_half_blocks(uint8_t* a, const uint8_t* b) { - uint64_t a0, a1, b0, b1; - - a0 = SWAP64LE(((uint64_t*)a)[0]); - a1 = SWAP64LE(((uint64_t*)a)[1]); - b0 = SWAP64LE(((uint64_t*)b)[0]); - b1 = SWAP64LE(((uint64_t*)b)[1]); - a0 += b0; - a1 += b1; - ((uint64_t*)a)[0] = SWAP64LE(a0); - ((uint64_t*)a)[1] = SWAP64LE(a1); -} -#define U64(x) ((uint64_t *) (x)) - -static void copy_block(uint8_t* dst, const uint8_t* src) { - memcpy(dst, src, AES_BLOCK_SIZE); -} - -static void swap_blocks(uint8_t *a, uint8_t *b){ - uint64_t t[2]; - U64(t)[0] = U64(a)[0]; - U64(t)[1] = U64(a)[1]; - U64(a)[0] = U64(b)[0]; - U64(a)[1] = U64(b)[1]; - U64(b)[0] = U64(t)[0]; - U64(b)[1] = U64(t)[1]; -} - -static void xor_blocks(uint8_t* a, const uint8_t* b) { - size_t i; - for (i = 0; i < AES_BLOCK_SIZE; i++) { - a[i] ^= b[i]; - } -} - -static void xor64(uint8_t* left, const uint8_t* right) -{ - size_t i; - for (i = 0; i < 8; ++i) - { - left[i] ^= right[i]; - } -} - -#pragma pack(push, 1) -union cn_turtle_hash_state { - union hash_state hs; - struct { - uint8_t k[64]; - uint8_t init[INIT_SIZE_BYTE]; - }; -}; -#pragma pack(pop) - -void cn_turtle_hash(const void *data, size_t length, unsigned char *hash, int light, int variant, int prehashed, uint32_t scratchpad, uint32_t iterations) -{ - uint32_t init_rounds = (scratchpad / INIT_SIZE_BYTE); - uint32_t aes_rounds = (iterations / 2); - size_t TOTALBLOCKS = (CN_TURTLE_PAGE_SIZE / AES_BLOCK_SIZE); - size_t lightFlag = (light ? 2: 1); - -#ifndef FORCE_USE_HEAP - uint8_t long_state[CN_TURTLE_PAGE_SIZE]; -#else -#warning "ACTIVATING FORCE_USE_HEAP IN portable slow-hash.c" - uint8_t *long_state = (uint8_t *)malloc(CN_TURTLE_PAGE_SIZE); -#endif - - union cn_turtle_hash_state state; - uint8_t text[INIT_SIZE_BYTE]; - uint8_t a[AES_BLOCK_SIZE]; - uint8_t b[AES_BLOCK_SIZE * 2]; - uint8_t c1[AES_BLOCK_SIZE]; - uint8_t c2[AES_BLOCK_SIZE]; - uint8_t d[AES_BLOCK_SIZE]; - size_t i, j; - uint8_t aes_key[AES_KEY_SIZE]; - uint8_t expandedKey[AES_EXPANDED_KEY_SIZE]; - - if (prehashed) { - memcpy(&state.hs, data, length); - } else { - hash_process(&state.hs, data, length); - } - memcpy(text, state.init, INIT_SIZE_BYTE); - memcpy(aes_key, state.hs.b, AES_KEY_SIZE); - - VARIANT1_PORTABLE_INIT(); - VARIANT2_PORTABLE_INIT(); - - oaes_expand_key_256(aes_key, expandedKey); - for (i = 0; i < init_rounds; i++) { - for (j = 0; j < INIT_SIZE_BLK; j++) { - aesb_pseudo_round(&text[AES_BLOCK_SIZE * j], &text[AES_BLOCK_SIZE * j], expandedKey); - } - memcpy(&long_state[i * INIT_SIZE_BYTE], text, INIT_SIZE_BYTE); - } - - for (i = 0; i < AES_BLOCK_SIZE; i++) { - a[i] = state.k[ i] ^ state.k[AES_BLOCK_SIZE * 2 + i]; - b[i] = state.k[AES_BLOCK_SIZE + i] ^ state.k[AES_BLOCK_SIZE * 3 + i]; - } - - for (i = 0; i < aes_rounds; i++) { - /* Dependency chain: address -> read value ------+ - * written value <-+ hard function (AES or MUL) <+ - * next address <-+ - */ - /* Iteration 1 */ - #define state_index(x,div) (((*((uint64_t *)x) >> 4) & (TOTALBLOCKS /(div) - 1)) << 4) - j = state_index(a, lightFlag); - copy_block(c1, &long_state[j]); - aesb_single_round(c1, c1, a); - - VARIANT2_PORTABLE_SHUFFLE_ADD(long_state, j); - copy_block(&long_state[j], c1); - xor_blocks(&long_state[j], b); - VARIANT1_1(&long_state[j]); - - /* Iteration 2 */ - j = state_index(c1, lightFlag); - copy_block(c2, &long_state[j]); - VARIANT2_PORTABLE_INTEGER_MATH(c2, c1); - mul(c1, c2, d); - VARIANT2_2_PORTABLE(); - VARIANT2_PORTABLE_SHUFFLE_ADD(long_state, j); - swap_blocks(a, c1); - sum_half_blocks(c1, d); - swap_blocks(c1, c2); - xor_blocks(c1, c2); - VARIANT1_2(c2 + 8); - copy_block(&long_state[j], c2); - - if (variant == 2) { - copy_block(b + AES_BLOCK_SIZE, b); - } - copy_block(b, a); - copy_block(a, c1); - } - - memcpy(text, state.init, INIT_SIZE_BYTE); - oaes_expand_key_256(&state.hs.b[32], expandedKey); - for (i = 0; i < init_rounds; i++) { - for (j = 0; j < INIT_SIZE_BLK; j++) { - xor_blocks(&text[j * AES_BLOCK_SIZE], &long_state[i * INIT_SIZE_BYTE + j * AES_BLOCK_SIZE]); - aesb_pseudo_round(&text[AES_BLOCK_SIZE * j], &text[AES_BLOCK_SIZE * j], expandedKey); - } - } - memcpy(state.init, text, INIT_SIZE_BYTE); - hash_permutation(&state.hs); - /*memcpy(hash, &state, 32);*/ - extra_hashes[state.hs.b[0] & 3](&state, 200, hash); - -#ifdef FORCE_USE_HEAP - free(long_state); -#endif -} - diff --git a/src/crypto/cn_turtle_hash.c b/src/crypto/cn_turtle_hash.c deleted file mode 100644 index af46efe..0000000 --- a/src/crypto/cn_turtle_hash.c +++ /dev/null @@ -1,230 +0,0 @@ -// Parts of this file are originally copyright (c) 2012-2013 The Cryptonote developers -// Copyright (c) 2014-2019, The Monero Project -// Copyright (c) 2014-2018, The Aeon Project -// Copyright (c) 2018, The TurtleCoin Developers -// -// Please see the included LICENSE file for more information. - -#include -#include -#include -#include -#include -#include - -#include "int-util.h" -#include "hash-ops.h" -#include "oaes_lib_expand.h" -#include "variant2_int_sqrt.h" - -// Standard Crypto Definitions -#define AES_BLOCK_SIZE 16 -#define AES_KEY_SIZE 32 -#define AES_EXPANDED_KEY_SIZE 240 -#define INIT_SIZE_BLK 8 -#define INIT_SIZE_BYTE (INIT_SIZE_BLK * AES_BLOCK_SIZE) - -extern const bool cpu_aes_enabled; - -extern int aesb_single_round(const uint8_t* in, uint8_t* out, const uint8_t* expandedKey); -extern int aesb_pseudo_round(const uint8_t* in, uint8_t* out, const uint8_t* expandedKey); - -#define VARIANT1_1(p) \ - do \ - if (variant == 1) { \ - const uint8_t tmp = ((const uint8_t*)(p))[11]; \ - static const uint32_t table = 0x75310; \ - const uint8_t index = (((tmp >> 3) & 6) | (tmp & 1)) << 1; \ - ((uint8_t*)(p))[11] = tmp ^ ((table >> index) & 0x30); \ - } \ - while (0) - -#define VARIANT1_2(p) \ - do \ - if (variant == 1) { \ - xor64(p, tweak1_2); \ - } \ - while (0) - -#define VARIANT1_CHECK() \ - do \ - if (length < 43) { \ - fprintf(stderr, "Cryptonight variant 1 need at least 43 bytes of data"); \ - abort(); \ - } \ - while (0) - -#define NONCE_POINTER (((const uint8_t*)data) + 35) - -#define VARIANT1_PORTABLE_INIT() \ - uint8_t tweak1_2[8]; \ - do \ - if (variant == 1) { \ - VARIANT1_CHECK(); \ - memcpy(&tweak1_2, &state.hs.b[192], sizeof(tweak1_2)); \ - xor64(tweak1_2, NONCE_POINTER); \ - } \ - while (0) - -#define VARIANT1_INIT64() \ - if (variant == 1) { \ - VARIANT1_CHECK(); \ - } \ - const uint64_t tweak1_2 = \ - (variant == 1) ? (state.hs.w[24] ^ (*((const uint64_t*)NONCE_POINTER))) : 0 - -#define VARIANT2_INIT64() \ - uint64_t division_result = 0; \ - uint64_t sqrt_result = 0; \ - do \ - if (variant == 2) { \ - U64(b)[2] = state.hs.w[8] ^ state.hs.w[10]; \ - U64(b)[3] = state.hs.w[9] ^ state.hs.w[11]; \ - division_result = SWAP64LE(state.hs.w[12]); \ - sqrt_result = SWAP64LE(state.hs.w[13]); \ - } \ - while (0) - -#define VARIANT2_PORTABLE_INIT() \ - uint64_t division_result = 0; \ - uint64_t sqrt_result = 0; \ - do \ - if (variant == 2) { \ - memcpy(b + AES_BLOCK_SIZE, state.hs.b + 64, AES_BLOCK_SIZE); \ - xor64(b + AES_BLOCK_SIZE, state.hs.b + 80); \ - xor64(b + AES_BLOCK_SIZE + 8, state.hs.b + 88); \ - division_result = state.hs.w[12]; \ - sqrt_result = state.hs.w[13]; \ - } \ - while (0) - -#define VARIANT2_SHUFFLE_ADD_SSE2(base_ptr, offset) \ - do \ - if (variant == 2) { \ - const __m128i chunk1 = _mm_load_si128((__m128i*)((base_ptr) + ((offset) ^ 0x10))); \ - const __m128i chunk2 = _mm_load_si128((__m128i*)((base_ptr) + ((offset) ^ 0x20))); \ - const __m128i chunk3 = _mm_load_si128((__m128i*)((base_ptr) + ((offset) ^ 0x30))); \ - _mm_store_si128( \ - (__m128i*)((base_ptr) + ((offset) ^ 0x10)), _mm_add_epi64(chunk3, _b1)); \ - _mm_store_si128( \ - (__m128i*)((base_ptr) + ((offset) ^ 0x20)), _mm_add_epi64(chunk1, _b)); \ - _mm_store_si128( \ - (__m128i*)((base_ptr) + ((offset) ^ 0x30)), _mm_add_epi64(chunk2, _a)); \ - } \ - while (0) - -#define VARIANT2_SHUFFLE_ADD_NEON(base_ptr, offset) \ - do \ - if (variant == 2) { \ - const uint64x2_t chunk1 = vld1q_u64(U64((base_ptr) + ((offset) ^ 0x10))); \ - const uint64x2_t chunk2 = vld1q_u64(U64((base_ptr) + ((offset) ^ 0x20))); \ - const uint64x2_t chunk3 = vld1q_u64(U64((base_ptr) + ((offset) ^ 0x30))); \ - vst1q_u64( \ - U64((base_ptr) + ((offset) ^ 0x10)), \ - vaddq_u64(chunk3, vreinterpretq_u64_u8(_b1))); \ - vst1q_u64( \ - U64((base_ptr) + ((offset) ^ 0x20)), \ - vaddq_u64(chunk1, vreinterpretq_u64_u8(_b))); \ - vst1q_u64( \ - U64((base_ptr) + ((offset) ^ 0x30)), \ - vaddq_u64(chunk2, vreinterpretq_u64_u8(_a))); \ - } \ - while (0) - -#define VARIANT2_PORTABLE_SHUFFLE_ADD(base_ptr, offset) \ - do \ - if (variant == 2) { \ - uint64_t* chunk1 = U64((base_ptr) + ((offset) ^ 0x10)); \ - uint64_t* chunk2 = U64((base_ptr) + ((offset) ^ 0x20)); \ - uint64_t* chunk3 = U64((base_ptr) + ((offset) ^ 0x30)); \ - \ - const uint64_t chunk1_old[2] = {chunk1[0], chunk1[1]}; \ - \ - uint64_t b1[2]; \ - memcpy(b1, b + 16, 16); \ - chunk1[0] = chunk3[0] + b1[0]; \ - chunk1[1] = chunk3[1] + b1[1]; \ - \ - uint64_t a0[2]; \ - memcpy(a0, a, 16); \ - chunk3[0] = chunk2[0] + a0[0]; \ - chunk3[1] = chunk2[1] + a0[1]; \ - \ - uint64_t b0[2]; \ - memcpy(b0, b, 16); \ - chunk2[0] = chunk1_old[0] + b0[0]; \ - chunk2[1] = chunk1_old[1] + b0[1]; \ - } \ - while (0) - -#define VARIANT2_INTEGER_MATH_DIVISION_STEP(b, ptr) \ - ((uint64_t*)(b))[0] ^= division_result ^ (sqrt_result << 32); \ - { \ - const uint64_t dividend = ((uint64_t*)(ptr))[1]; \ - const uint32_t divisor = \ - (((uint64_t*)(ptr))[0] + (uint32_t)(sqrt_result << 1)) | 0x80000001UL; \ - division_result = \ - ((uint32_t)(dividend / divisor)) + (((uint64_t)(dividend % divisor)) << 32); \ - } \ - const uint64_t sqrt_input = ((uint64_t*)(ptr))[0] + division_result - -#define VARIANT2_INTEGER_MATH_SSE2(b, ptr) \ - do \ - if (variant == 2) { \ - VARIANT2_INTEGER_MATH_DIVISION_STEP(b, ptr); \ - VARIANT2_INTEGER_MATH_SQRT_STEP_SSE2(); \ - VARIANT2_INTEGER_MATH_SQRT_FIXUP(sqrt_result); \ - } \ - while (0) - -#if defined DBL_MANT_DIG && (DBL_MANT_DIG >= 50) -// double precision floating point type has enough bits of precision on current platform -#define VARIANT2_PORTABLE_INTEGER_MATH(b, ptr) \ - do \ - if (variant == 2) { \ - VARIANT2_INTEGER_MATH_DIVISION_STEP(b, ptr); \ - VARIANT2_INTEGER_MATH_SQRT_STEP_FP64(); \ - VARIANT2_INTEGER_MATH_SQRT_FIXUP(sqrt_result); \ - } \ - while (0) -#else -// double precision floating point type is not good enough on current platform -// fall back to the reference code (integer only) -#define VARIANT2_PORTABLE_INTEGER_MATH(b, ptr) \ - do \ - if (variant == 2) { \ - VARIANT2_INTEGER_MATH_DIVISION_STEP(b, ptr); \ - VARIANT2_INTEGER_MATH_SQRT_STEP_REF(); \ - } \ - while (0) -#endif - -#define VARIANT2_2_PORTABLE() \ - if (variant == 2) { \ - xor_blocks(long_state + (j ^ 0x10), d); \ - xor_blocks(d, long_state + (j ^ 0x20)); \ - } - -#define VARIANT2_2() \ - do \ - if (variant == 2) { \ - *U64(hp_state + (j ^ 0x10)) ^= hi; \ - *(U64(hp_state + (j ^ 0x10)) + 1) ^= lo; \ - hi ^= *U64(hp_state + (j ^ 0x20)); \ - lo ^= *(U64(hp_state + (j ^ 0x20)) + 1); \ - } \ - while (0) - -#if (defined(__x86_64__) || defined(_M_X64)) - -#include "cn_turtle_hash-amd64.inl" - -#elif defined(__arm__) || defined(__aarch64__) // ARCH arm - -#include "cn_turtle_hash-arm.inl" - -#else // ARCH fallback - -#include "cn_turtle_hash-portable.inl" - -#endif diff --git a/src/crypto/crypto-ops-data.c b/src/crypto/crypto-ops-data.c deleted file mode 100644 index 28991a6..0000000 --- a/src/crypto/crypto-ops-data.c +++ /dev/null @@ -1,8075 +0,0 @@ -// Copyright (c) 2014-2019, The Monero Project -// -// All rights reserved. -// -// Redistribution and use in source and binary forms, with or without modification, are -// permitted provided that the following conditions are met: -// -// 1. Redistributions of source code must retain the above copyright notice, this list of -// conditions and the following disclaimer. -// -// 2. Redistributions in binary form must reproduce the above copyright notice, this list -// of conditions and the following disclaimer in the documentation and/or other -// materials provided with the distribution. -// -// 3. Neither the name of the copyright holder nor the names of its contributors may be -// used to endorse or promote products derived from this software without specific -// prior written permission. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY -// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF -// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL -// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, -// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, -// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF -// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -// -// Parts of this file are originally copyright (c) 2012-2013 The Cryptonote developers - -#include - -#include "crypto-ops.h" - -/* sqrt(x) is such an integer y that 0 <= y <= p - 1, y % 2 = 0, and y^2 = x (mod p). */ -/* d = -121665 / 121666 */ -const fe fe_d = { - -10913610, - 13857413, - -15372611, - 6949391, - 114729, - -8787816, - -6275908, - -3247719, - -18696448, - -12055116}; /* d */ -const fe fe_sqrtm1 = { - -32595792, - -7943725, - 9377950, - 3500415, - 12389472, - -272473, - -25146209, - -2005654, - 326686, - 11406482}; /* sqrt(-1) */ -const fe fe_d2 = { - -21827239, - -5839606, - -30745221, - 13898782, - 229458, - 15978800, - -12551817, - -6495438, - 29715968, - 9444199}; /* 2 * d */ - -/* base[i][j] = (j+1)*256^i*B */ -const ge_precomp ge_base[32][8] = { - {{{25967493, - -14356035, - 29566456, - 3660896, - -12694345, - 4014787, - 27544626, - -11754271, - -6079156, - 2047605}, - {-12545711, - 934262, - -2722910, - 3049990, - -727428, - 9406986, - 12720692, - 5043384, - 19500929, - -15469378}, - {-8738181, - 4489570, - 9688441, - -14785194, - 10184609, - -12363380, - 29287919, - 11864899, - -24514362, - -4438546}}, - {{-12815894, - -12976347, - -21581243, - 11784320, - -25355658, - -2750717, - -11717903, - -3814571, - -358445, - -10211303}, - {-21703237, - 6903825, - 27185491, - 6451973, - -29577724, - -9554005, - -15616551, - 11189268, - -26829678, - -5319081}, - {26966642, - 11152617, - 32442495, - 15396054, - 14353839, - -12752335, - -3128826, - -9541118, - -15472047, - -4166697}}, - {{15636291, - -9688557, - 24204773, - -7912398, - 616977, - -16685262, - 27787600, - -14772189, - 28944400, - -1550024}, - {16568933, - 4717097, - -11556148, - -1102322, - 15682896, - -11807043, - 16354577, - -11775962, - 7689662, - 11199574}, - {30464156, - -5976125, - -11779434, - -15670865, - 23220365, - 15915852, - 7512774, - 10017326, - -17749093, - -9920357}}, - {{-17036878, - 13921892, - 10945806, - -6033431, - 27105052, - -16084379, - -28926210, - 15006023, - 3284568, - -6276540}, - {23599295, - -8306047, - -11193664, - -7687416, - 13236774, - 10506355, - 7464579, - 9656445, - 13059162, - 10374397}, - {7798556, - 16710257, - 3033922, - 2874086, - 28997861, - 2835604, - 32406664, - -3839045, - -641708, - -101325}}, - {{10861363, - 11473154, - 27284546, - 1981175, - -30064349, - 12577861, - 32867885, - 14515107, - -15438304, - 10819380}, - {4708026, - 6336745, - 20377586, - 9066809, - -11272109, - 6594696, - -25653668, - 12483688, - -12668491, - 5581306}, - {19563160, - 16186464, - -29386857, - 4097519, - 10237984, - -4348115, - 28542350, - 13850243, - -23678021, - -15815942}}, - {{-15371964, - -12862754, - 32573250, - 4720197, - -26436522, - 5875511, - -19188627, - -15224819, - -9818940, - -12085777}, - {-8549212, - 109983, - 15149363, - 2178705, - 22900618, - 4543417, - 3044240, - -15689887, - 1762328, - 14866737}, - {-18199695, - -15951423, - -10473290, - 1707278, - -17185920, - 3916101, - -28236412, - 3959421, - 27914454, - 4383652}}, - {{5153746, - 9909285, - 1723747, - -2777874, - 30523605, - 5516873, - 19480852, - 5230134, - -23952439, - -15175766}, - {-30269007, - -3463509, - 7665486, - 10083793, - 28475525, - 1649722, - 20654025, - 16520125, - 30598449, - 7715701}, - {28881845, - 14381568, - 9657904, - 3680757, - -20181635, - 7843316, - -31400660, - 1370708, - 29794553, - -1409300}}, - {{14499471, - -2729599, - -33191113, - -4254652, - 28494862, - 14271267, - 30290735, - 10876454, - -33154098, - 2381726}, - {-7195431, - -2655363, - -14730155, - 462251, - -27724326, - 3941372, - -6236617, - 3696005, - -32300832, - 15351955}, - {27431194, - 8222322, - 16448760, - -3907995, - -18707002, - 11938355, - -32961401, - -2970515, - 29551813, - 10109425}}}, - {{{-13657040, - -13155431, - -31283750, - 11777098, - 21447386, - 6519384, - -2378284, - -1627556, - 10092783, - -4764171}, - {27939166, - 14210322, - 4677035, - 16277044, - -22964462, - -12398139, - -32508754, - 12005538, - -17810127, - 12803510}, - {17228999, - -15661624, - -1233527, - 300140, - -1224870, - -11714777, - 30364213, - -9038194, - 18016357, - 4397660}}, - {{-10958843, - -7690207, - 4776341, - -14954238, - 27850028, - -15602212, - -26619106, - 14544525, - -17477504, - 982639}, - {29253598, - 15796703, - -2863982, - -9908884, - 10057023, - 3163536, - 7332899, - -4120128, - -21047696, - 9934963}, - {5793303, - 16271923, - -24131614, - -10116404, - 29188560, - 1206517, - -14747930, - 4559895, - -30123922, - -10897950}}, - {{-27643952, - -11493006, - 16282657, - -11036493, - 28414021, - -15012264, - 24191034, - 4541697, - -13338309, - 5500568}, - {12650548, - -1497113, - 9052871, - 11355358, - -17680037, - -8400164, - -17430592, - 12264343, - 10874051, - 13524335}, - {25556948, - -3045990, - 714651, - 2510400, - 23394682, - -10415330, - 33119038, - 5080568, - -22528059, - 5376628}}, - {{-26088264, - -4011052, - -17013699, - -3537628, - -6726793, - 1920897, - -22321305, - -9447443, - 4535768, - 1569007}, - {-2255422, - 14606630, - -21692440, - -8039818, - 28430649, - 8775819, - -30494562, - 3044290, - 31848280, - 12543772}, - {-22028579, - 2943893, - -31857513, - 6777306, - 13784462, - -4292203, - -27377195, - -2062731, - 7718482, - 14474653}}, - {{2385315, - 2454213, - -22631320, - 46603, - -4437935, - -15680415, - 656965, - -7236665, - 24316168, - -5253567}, - {13741529, - 10911568, - -33233417, - -8603737, - -20177830, - -1033297, - 33040651, - -13424532, - -20729456, - 8321686}, - {21060490, - -2212744, - 15712757, - -4336099, - 1639040, - 10656336, - 23845965, - -11874838, - -9984458, - 608372}}, - {{-13672732, - -15087586, - -10889693, - -7557059, - -6036909, - 11305547, - 1123968, - -6780577, - 27229399, - 23887}, - {-23244140, - -294205, - -11744728, - 14712571, - -29465699, - -2029617, - 12797024, - -6440308, - -1633405, - 16678954}, - {-29500620, - 4770662, - -16054387, - 14001338, - 7830047, - 9564805, - -1508144, - -4795045, - -17169265, - 4904953}}, - {{24059557, - 14617003, - 19037157, - -15039908, - 19766093, - -14906429, - 5169211, - 16191880, - 2128236, - -4326833}, - {-16981152, - 4124966, - -8540610, - -10653797, - 30336522, - -14105247, - -29806336, - 916033, - -6882542, - -2986532}, - {-22630907, - 12419372, - -7134229, - -7473371, - -16478904, - 16739175, - 285431, - 2763829, - 15736322, - 4143876}}, - {{2379352, - 11839345, - -4110402, - -5988665, - 11274298, - 794957, - 212801, - -14594663, - 23527084, - -16458268}, - {33431127, - -11130478, - -17838966, - -15626900, - 8909499, - 8376530, - -32625340, - 4087881, - -15188911, - -14416214}, - {1767683, - 7197987, - -13205226, - -2022635, - -13091350, - 448826, - 5799055, - 4357868, - -4774191, - -16323038}}}, - {{{6721966, - 13833823, - -23523388, - -1551314, - 26354293, - -11863321, - 23365147, - -3949732, - 7390890, - 2759800}, - {4409041, - 2052381, - 23373853, - 10530217, - 7676779, - -12885954, - 21302353, - -4264057, - 1244380, - -12919645}, - {-4421239, - 7169619, - 4982368, - -2957590, - 30256825, - -2777540, - 14086413, - 9208236, - 15886429, - 16489664}}, - {{1996075, - 10375649, - 14346367, - 13311202, - -6874135, - -16438411, - -13693198, - 398369, - -30606455, - -712933}, - {-25307465, - 9795880, - -2777414, - 14878809, - -33531835, - 14780363, - 13348553, - 12076947, - -30836462, - 5113182}, - {-17770784, - 11797796, - 31950843, - 13929123, - -25888302, - 12288344, - -30341101, - -7336386, - 13847711, - 5387222}}, - {{-18582163, - -3416217, - 17824843, - -2340966, - 22744343, - -10442611, - 8763061, - 3617786, - -19600662, - 10370991}, - {20246567, - -14369378, - 22358229, - -543712, - 18507283, - -10413996, - 14554437, - -8746092, - 32232924, - 16763880}, - {9648505, - 10094563, - 26416693, - 14745928, - -30374318, - -6472621, - 11094161, - 15689506, - 3140038, - -16510092}}, - {{-16160072, - 5472695, - 31895588, - 4744994, - 8823515, - 10365685, - -27224800, - 9448613, - -28774454, - 366295}, - {19153450, - 11523972, - -11096490, - -6503142, - -24647631, - 5420647, - 28344573, - 8041113, - 719605, - 11671788}, - {8678025, - 2694440, - -6808014, - 2517372, - 4964326, - 11152271, - -15432916, - -15266516, - 27000813, - -10195553}}, - {{-15157904, - 7134312, - 8639287, - -2814877, - -7235688, - 10421742, - 564065, - 5336097, - 6750977, - -14521026}, - {11836410, - -3979488, - 26297894, - 16080799, - 23455045, - 15735944, - 1695823, - -8819122, - 8169720, - 16220347}, - {-18115838, - 8653647, - 17578566, - -6092619, - -8025777, - -16012763, - -11144307, - -2627664, - -5990708, - -14166033}}, - {{-23308498, - -10968312, - 15213228, - -10081214, - -30853605, - -11050004, - 27884329, - 2847284, - 2655861, - 1738395}, - {-27537433, - -14253021, - -25336301, - -8002780, - -9370762, - 8129821, - 21651608, - -3239336, - -19087449, - -11005278}, - {1533110, - 3437855, - 23735889, - 459276, - 29970501, - 11335377, - 26030092, - 5821408, - 10478196, - 8544890}}, - {{32173121, - -16129311, - 24896207, - 3921497, - 22579056, - -3410854, - 19270449, - 12217473, - 17789017, - -3395995}, - {-30552961, - -2228401, - -15578829, - -10147201, - 13243889, - 517024, - 15479401, - -3853233, - 30460520, - 1052596}, - {-11614875, - 13323618, - 32618793, - 8175907, - -15230173, - 12596687, - 27491595, - -4612359, - 3179268, - -9478891}}, - {{31947069, - -14366651, - -4640583, - -15339921, - -15125977, - -6039709, - -14756777, - -16411740, - 19072640, - -9511060}, - {11685058, - 11822410, - 3158003, - -13952594, - 33402194, - -4165066, - 5977896, - -5215017, - 473099, - 5040608}, - {-20290863, - 8198642, - -27410132, - 11602123, - 1290375, - -2799760, - 28326862, - 1721092, - -19558642, - -3131606}}}, - {{{7881532, - 10687937, - 7578723, - 7738378, - -18951012, - -2553952, - 21820786, - 8076149, - -27868496, - 11538389}, - {-19935666, - 3899861, - 18283497, - -6801568, - -15728660, - -11249211, - 8754525, - 7446702, - -5676054, - 5797016}, - {-11295600, - -3793569, - -15782110, - -7964573, - 12708869, - -8456199, - 2014099, - -9050574, - -2369172, - -5877341}}, - {{-22472376, - -11568741, - -27682020, - 1146375, - 18956691, - 16640559, - 1192730, - -3714199, - 15123619, - 10811505}, - {14352098, - -3419715, - -18942044, - 10822655, - 32750596, - 4699007, - -70363, - 15776356, - -28886779, - -11974553}, - {-28241164, - -8072475, - -4978962, - -5315317, - 29416931, - 1847569, - -20654173, - -16484855, - 4714547, - -9600655}}, - {{15200332, - 8368572, - 19679101, - 15970074, - -31872674, - 1959451, - 24611599, - -4543832, - -11745876, - 12340220}, - {12876937, - -10480056, - 33134381, - 6590940, - -6307776, - 14872440, - 9613953, - 8241152, - 15370987, - 9608631}, - {-4143277, - -12014408, - 8446281, - -391603, - 4407738, - 13629032, - -7724868, - 15866074, - -28210621, - -8814099}}, - {{26660628, - -15677655, - 8393734, - 358047, - -7401291, - 992988, - -23904233, - 858697, - 20571223, - 8420556}, - {14620715, - 13067227, - -15447274, - 8264467, - 14106269, - 15080814, - 33531827, - 12516406, - -21574435, - -12476749}, - {236881, - 10476226, - 57258, - -14677024, - 6472998, - 2466984, - 17258519, - 7256740, - 8791136, - 15069930}}, - {{1276410, - -9371918, - 22949635, - -16322807, - -23493039, - -5702186, - 14711875, - 4874229, - -30663140, - -2331391}, - {5855666, - 4990204, - -13711848, - 7294284, - -7804282, - 1924647, - -1423175, - -7912378, - -33069337, - 9234253}, - {20590503, - -9018988, - 31529744, - -7352666, - -2706834, - 10650548, - 31559055, - -11609587, - 18979186, - 13396066}}, - {{24474287, - 4968103, - 22267082, - 4407354, - 24063882, - -8325180, - -18816887, - 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31809243, - 7347066}}, - {{-9606723, - -11874240, - 20414459, - 13033986, - 13716524, - -11691881, - 19797970, - -12211255, - 15192876, - -2087490}, - {-12663563, - -2181719, - 1168162, - -3804809, - 26747877, - -14138091, - 10609330, - 12694420, - 33473243, - -13382104}, - {33184999, - 11180355, - 15832085, - -11385430, - -1633671, - 225884, - 15089336, - -11023903, - -6135662, - 14480053}}, - {{31308717, - -5619998, - 31030840, - -1897099, - 15674547, - -6582883, - 5496208, - 13685227, - 27595050, - 8737275}, - {-20318852, - -15150239, - 10933843, - -16178022, - 8335352, - -7546022, - -31008351, - -12610604, - 26498114, - 66511}, - {22644454, - -8761729, - -16671776, - 4884562, - -3105614, - -13559366, - 30540766, - -4286747, - -13327787, - -7515095}}, - {{-28017847, - 9834845, - 18617207, - -2681312, - -3401956, - -13307506, - 8205540, - 13585437, - -17127465, - 15115439}, - {23711543, - -672915, - 31206561, - -8362711, - 6164647, - -9709987, - -33535882, - -1426096, - 8236921, - 16492939}, - {-23910559, - -13515526, - -26299483, - -4503841, - 25005590, - -7687270, - 19574902, - 10071562, - 6708380, - -6222424}}, - {{2101391, - -4930054, - 19702731, - 2367575, - -15427167, - 1047675, - 5301017, - 9328700, - 29955601, - -11678310}, - {3096359, - 9271816, - -21620864, - -15521844, - -14847996, - -7592937, - -25892142, - -12635595, - -9917575, - 6216608}, - {-32615849, - 338663, - -25195611, - 2510422, - -29213566, - -13820213, - 24822830, - -6146567, - -26767480, - 7525079}}, - {{-23066649, - -13985623, - 16133487, - -7896178, - -3389565, - 778788, - -910336, - -2782495, - -19386633, - 11994101}, - {21691500, - -13624626, - -641331, - -14367021, - 3285881, - -3483596, - -25064666, - 9718258, - -7477437, - 13381418}, - {18445390, - -4202236, - 14979846, - 11622458, - -1727110, - -3582980, - 23111648, - -6375247, - 28535282, - 15779576}}, - {{30098053, - 3089662, - -9234387, - 16662135, - -21306940, - 11308411, - -14068454, - 12021730, - 9955285, - -16303356}, - {9734894, - -14576830, - -7473633, - -9138735, - 2060392, - 11313496, - -18426029, - 9924399, - 20194861, - 13380996}, - {-26378102, - -7965207, - -22167821, - 15789297, - -18055342, - -6168792, - -1984914, - 15707771, - 26342023, - 10146099}}}, - {{{-26016874, - -219943, - 21339191, - -41388, - 19745256, - -2878700, - -29637280, - 2227040, - 21612326, - -545728}, - {-13077387, - 1184228, - 23562814, - -5970442, - -20351244, - -6348714, - 25764461, - 12243797, - -20856566, - 11649658}, - {-10031494, - 11262626, - 27384172, - 2271902, - 26947504, - -15997771, - 39944, - 6114064, - 33514190, - 2333242}}, - {{-21433588, - -12421821, - 8119782, - 7219913, - -21830522, - -9016134, - -6679750, - -12670638, - 24350578, - -13450001}, - {-4116307, - -11271533, - -23886186, - 4843615, - -30088339, - 690623, - -31536088, - -10406836, - 8317860, - 12352766}, - {18200138, - -14475911, - -33087759, - -2696619, - -23702521, - -9102511, - -23552096, - -2287550, - 20712163, - 6719373}}, - {{26656208, - 6075253, - -7858556, - 1886072, - -28344043, - 4262326, - 11117530, - -3763210, - 26224235, - -3297458}, - {-17168938, - -14854097, - -3395676, - -16369877, - -19954045, - 14050420, - 21728352, - 9493610, - 18620611, - -16428628}, - {-13323321, - 13325349, - 11432106, - 5964811, - 18609221, - 6062965, - -5269471, - -9725556, - -30701573, - -16479657}}, - {{-23860538, - -11233159, - 26961357, - 1640861, - -32413112, - -16737940, - 12248509, - -5240639, - 13735342, - 1934062}, - {25089769, - 6742589, - 17081145, - -13406266, - 21909293, - -16067981, - -15136294, - -3765346, - -21277997, - 5473616}, - {31883677, - -7961101, - 1083432, - -11572403, - 22828471, - 13290673, - -7125085, - 12469656, - 29111212, - -5451014}}, - {{24244947, - -15050407, - -26262976, - 2791540, - -14997599, - 16666678, - 24367466, - 6388839, - -10295587, - 452383}, - {-25640782, - -3417841, - 5217916, - 16224624, - 19987036, - -4082269, - -24236251, - -5915248, - 15766062, - 8407814}, - {-20406999, - 13990231, - 15495425, - 16395525, - 5377168, - 15166495, - -8917023, - -4388953, - -8067909, - 2276718}}, - {{30157918, - 12924066, - -17712050, - 9245753, - 19895028, - 3368142, - -23827587, - 5096219, - 22740376, - -7303417}, - {2041139, - -14256350, - 7783687, - 13876377, - -25946985, - -13352459, - 24051124, - 13742383, - -15637599, - 13295222}, - {33338237, - -8505733, - 12532113, - 7977527, - 9106186, - -1715251, - -17720195, - -4612972, - -4451357, - -14669444}}, - {{-20045281, - 5454097, - -14346548, - 6447146, - 28862071, - 1883651, - -2469266, - -4141880, - 7770569, - 9620597}, - {23208068, - 7979712, - 33071466, - 8149229, - 1758231, - -10834995, - 30945528, - -1694323, - -33502340, - -14767970}, - {1439958, - -16270480, - -1079989, - -793782, - 4625402, - 10647766, - -5043801, - 1220118, - 30494170, - -11440799}}, - {{-5037580, - -13028295, - -2970559, - -3061767, - 15640974, - -6701666, - -26739026, - 926050, - -1684339, - -13333647}, - {13908495, - -3549272, - 30919928, - -6273825, - -21521863, - 7989039, - 9021034, - 9078865, - 3353509, - 4033511}, - {-29663431, - -15113610, - 32259991, - -344482, - 24295849, - -12912123, - 23161163, - 8839127, - 27485041, - 7356032}}}, - {{{9661027, - 705443, - 11980065, - -5370154, - -1628543, - 14661173, - -6346142, - 2625015, - 28431036, - -16771834}, - {-23839233, - -8311415, - -25945511, - 7480958, - -17681669, - -8354183, - -22545972, - 14150565, - 15970762, - 4099461}, - {29262576, - 16756590, - 26350592, - -8793563, - 8529671, - -11208050, - 13617293, - -9937143, - 11465739, - 8317062}}, - {{-25493081, - -6962928, - 32500200, - -9419051, - -23038724, - -2302222, - 14898637, - 3848455, - 20969334, - -5157516}, - {-20384450, - -14347713, - -18336405, - 13884722, - -33039454, - 2842114, - -21610826, - -3649888, - 11177095, - 14989547}, - {-24496721, - -11716016, - 16959896, - 2278463, - 12066309, - 10137771, - 13515641, - 2581286, - -28487508, - 9930240}}, - {{-17751622, - -2097826, - 16544300, - -13009300, - -15914807, - -14949081, - 18345767, - -13403753, - 16291481, - -5314038}, - {-33229194, - 2553288, - 32678213, - 9875984, - 8534129, - 6889387, - -9676774, - 6957617, - 4368891, - 9788741}, - {16660756, - 7281060, - -10830758, - 12911820, - 20108584, - -8101676, - -21722536, - -8613148, - 16250552, - -11111103}}, - {{-19765507, - 2390526, - -16551031, - 14161980, - 1905286, - 6414907, - 4689584, - 10604807, - -30190403, - 4782747}, - {-1354539, - 14736941, - -7367442, - -13292886, - 7710542, - -14155590, - -9981571, - 4383045, - 22546403, - 437323}, - {31665577, - -12180464, - -16186830, - 1491339, - -18368625, - 3294682, - 27343084, - 2786261, - -30633590, - -14097016}}, - {{-14467279, - -683715, - -33374107, - 7448552, - 19294360, - 14334329, - -19690631, - 2355319, - -19284671, - -6114373}, - {15121312, - -15796162, - 6377020, - -6031361, - -10798111, - -12957845, - 18952177, - 15496498, - -29380133, - 11754228}, - {-2637277, - -13483075, - 8488727, - -14303896, - 12728761, - -1622493, - 7141596, - 11724556, - 22761615, - -10134141}}, - {{16918416, - 11729663, - -18083579, - 3022987, - -31015732, - -13339659, - -28741185, - -12227393, - 32851222, - 11717399}, - {11166634, - 7338049, - -6722523, - 4531520, - -29468672, - -7302055, - 31474879, - 3483633, - -1193175, - -4030831}, - {-185635, - 9921305, - 31456609, - -13536438, - -12013818, - 13348923, - 33142652, - 6546660, - -19985279, - -3948376}}, - {{-32460596, - 11266712, - -11197107, - -7899103, - 31703694, - 3855903, - -8537131, - -12833048, - -30772034, - -15486313}, - {-18006477, - 12709068, - 3991746, - -6479188, - -21491523, - -10550425, - -31135347, - -16049879, - 10928917, - 3011958}, - {-6957757, - -15594337, - 31696059, - 334240, - 29576716, - 14796075, - -30831056, - -12805180, - 18008031, - 10258577}}, - {{-22448644, - 15655569, - 7018479, - -4410003, - -30314266, - -1201591, - -1853465, - 1367120, - 25127874, - 6671743}, - {29701166, - -14373934, - -10878120, - 9279288, - -17568, - 13127210, - 21382910, - 11042292, - 25838796, - 4642684}, - {-20430234, - 14955537, - -24126347, - 8124619, - -5369288, - -5990470, - 30468147, - -13900640, - 18423289, - 4177476}}}}; - -const ge_precomp ge_Bi[8] = { - {{25967493, - -14356035, - 29566456, - 3660896, - -12694345, - 4014787, - 27544626, - -11754271, - -6079156, - 2047605}, - {-12545711, - 934262, - -2722910, - 3049990, - -727428, - 9406986, - 12720692, - 5043384, - 19500929, - -15469378}, - {-8738181, - 4489570, - 9688441, - -14785194, - 10184609, - -12363380, - 29287919, - 11864899, - -24514362, - -4438546}}, - {{15636291, - -9688557, - 24204773, - -7912398, - 616977, - -16685262, - 27787600, - -14772189, - 28944400, - -1550024}, - {16568933, - 4717097, - -11556148, - -1102322, - 15682896, - -11807043, - 16354577, - -11775962, - 7689662, - 11199574}, - {30464156, - -5976125, - -11779434, - -15670865, - 23220365, - 15915852, - 7512774, - 10017326, - -17749093, - -9920357}}, - {{10861363, - 11473154, - 27284546, - 1981175, - -30064349, - 12577861, - 32867885, - 14515107, - -15438304, - 10819380}, - {4708026, - 6336745, - 20377586, - 9066809, - -11272109, - 6594696, - -25653668, - 12483688, - -12668491, - 5581306}, - {19563160, - 16186464, - -29386857, - 4097519, - 10237984, - -4348115, - 28542350, - 13850243, - -23678021, - -15815942}}, - {{5153746, - 9909285, - 1723747, - -2777874, - 30523605, - 5516873, - 19480852, - 5230134, - -23952439, - -15175766}, - {-30269007, - -3463509, - 7665486, - 10083793, - 28475525, - 1649722, - 20654025, - 16520125, - 30598449, - 7715701}, - {28881845, - 14381568, - 9657904, - 3680757, - -20181635, - 7843316, - -31400660, - 1370708, - 29794553, - -1409300}}, - {{-22518993, - -6692182, - 14201702, - -8745502, - -23510406, - 8844726, - 18474211, - -1361450, - -13062696, - 13821877}, - {-6455177, - -7839871, - 3374702, - -4740862, - -27098617, - -10571707, - 31655028, - -7212327, - 18853322, - -14220951}, - {4566830, - -12963868, - -28974889, - -12240689, - -7602672, - -2830569, - -8514358, - -10431137, - 2207753, - -3209784}}, - {{-25154831, - -4185821, - 29681144, - 7868801, - -6854661, - -9423865, - -12437364, - -663000, - -31111463, - -16132436}, - {25576264, - -2703214, - 7349804, - -11814844, - 16472782, - 9300885, - 3844789, - 15725684, - 171356, - 6466918}, - {23103977, - 13316479, - 9739013, - -16149481, - 817875, - -15038942, - 8965339, - -14088058, - -30714912, - 16193877}}, - {{-33521811, - 3180713, - -2394130, - 14003687, - -16903474, - -16270840, - 17238398, - 4729455, - -18074513, - 9256800}, - {-25182317, - -4174131, - 32336398, - 5036987, - -21236817, - 11360617, - 22616405, - 9761698, - -19827198, - 630305}, - {-13720693, - 2639453, - -24237460, - -7406481, - 9494427, - -5774029, - -6554551, - -15960994, - -2449256, - -14291300}}, - {{-3151181, - -5046075, - 9282714, - 6866145, - -31907062, - -863023, - -18940575, - 15033784, - 25105118, - -7894876}, - {-24326370, - 15950226, - -31801215, - -14592823, - -11662737, - -5090925, - 1573892, - -2625887, - 2198790, - -15804619}, - {-3099351, - 10324967, - -2241613, - 7453183, - -5446979, - -2735503, - -13812022, - -16236442, - -32461234, - -12290683}}}; - -/* A = 2 * (1 - d) / (1 + d) = 486662 */ -const fe fe_ma2 = {-12721188, -3529, 0, 0, 0, 0, 0, 0, 0, 0}; /* -A^2 */ -const fe fe_ma = {-486662, 0, 0, 0, 0, 0, 0, 0, 0, 0}; /* -A */ -const fe fe_fffb1 = { - -31702527, - -2466483, - -26106795, - -12203692, - -12169197, - -321052, - 14850977, - -10296299, - -16929438, - -407568}; /* sqrt(-2 * A * (A + 2)) */ -const fe fe_fffb2 = { - 8166131, - -6741800, - -17040804, - 3154616, - 21461005, - 1466302, - -30876704, - -6368709, - 10503587, - -13363080}; /* sqrt(2 * A * (A + 2)) */ -const fe fe_fffb3 = { - -13620103, - 14639558, - 4532995, - 7679154, - 16815101, - -15883539, - -22863840, - -14813421, - 13716513, - -6477756}; /* sqrt(-sqrt(-1) * A * (A + 2)) */ -const fe fe_fffb4 = { - -21786234, - -12173074, - 21573800, - 4524538, - -4645904, - 16204591, - 8012863, - -8444712, - 3212926, - 6885324}; /* sqrt(sqrt(-1) * A * (A + 2)) */ -const ge_p3 ge_p3_identity = {{0}, {1, 0}, {1, 0}, {0}}; -const ge_p3 ge_p3_H = { - {7329926, - -15101362, - 31411471, - 7614783, - 27996851, - -3197071, - -11157635, - -6878293, - 466949, - -7986503}, - {5858699, - 5096796, - 21321203, - -7536921, - -5553480, - -11439507, - -5627669, - 15045946, - 19977121, - 5275251}, - {1, 0, 0, 0, 0, 0, 0, 0, 0, 0}, - {23443568, - -5110398, - -8776029, - -4345135, - 6889568, - -14710814, - 7474843, - 3279062, - 14550766, - -7453428}}; diff --git a/src/crypto/crypto-ops.c b/src/crypto/crypto-ops.c deleted file mode 100644 index 517c3fd..0000000 --- a/src/crypto/crypto-ops.c +++ /dev/null @@ -1,4779 +0,0 @@ -// Copyright (c) 2014-2019, The Monero Project -// -// All rights reserved. -// -// Redistribution and use in source and binary forms, with or without modification, are -// permitted provided that the following conditions are met: -// -// 1. Redistributions of source code must retain the above copyright notice, this list of -// conditions and the following disclaimer. -// -// 2. Redistributions in binary form must reproduce the above copyright notice, this list -// of conditions and the following disclaimer in the documentation and/or other -// materials provided with the distribution. -// -// 3. Neither the name of the copyright holder nor the names of its contributors may be -// used to endorse or promote products derived from this software without specific -// prior written permission. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY -// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF -// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL -// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, -// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, -// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF -// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -// -// Parts of this file are originally copyright (c) 2012-2013 The Cryptonote developers - -#include "crypto-ops.h" - -#include - -/* Predeclarations */ - -static void fe_mul(fe, const fe, const fe); -static void fe_sq(fe, const fe); -static void ge_madd(ge_p1p1*, const ge_p3*, const ge_precomp*); -static void ge_msub(ge_p1p1*, const ge_p3*, const ge_precomp*); -static void ge_p2_0(ge_p2*); -static void ge_p3_dbl(ge_p1p1*, const ge_p3*); -static void fe_divpowm1(fe, const fe, const fe); - -/* Common functions */ - -uint64_t load_3(const unsigned char* in) { - uint64_t result; - result = (uint64_t)in[0]; - result |= ((uint64_t)in[1]) << 8; - result |= ((uint64_t)in[2]) << 16; - return result; -} - -uint64_t load_4(const unsigned char* in) { - uint64_t result; - result = (uint64_t)in[0]; - result |= ((uint64_t)in[1]) << 8; - result |= ((uint64_t)in[2]) << 16; - result |= ((uint64_t)in[3]) << 24; - return result; -} - -/* From fe_0.c */ - -/* -h = 0 -*/ - -static void fe_0(fe h) { - h[0] = 0; - h[1] = 0; - h[2] = 0; - h[3] = 0; - h[4] = 0; - h[5] = 0; - h[6] = 0; - h[7] = 0; - h[8] = 0; - h[9] = 0; -} - -/* From fe_1.c */ - -/* -h = 1 -*/ - -static void fe_1(fe h) { - h[0] = 1; - h[1] = 0; - h[2] = 0; - h[3] = 0; - h[4] = 0; - h[5] = 0; - h[6] = 0; - h[7] = 0; - h[8] = 0; - h[9] = 0; -} - -/* From fe_add.c */ - -/* -h = f + g -Can overlap h with f or g. - -Preconditions: - |f| bounded by 1.1*2^25,1.1*2^24,1.1*2^25,1.1*2^24,etc. - |g| bounded by 1.1*2^25,1.1*2^24,1.1*2^25,1.1*2^24,etc. - -Postconditions: - |h| bounded by 1.1*2^26,1.1*2^25,1.1*2^26,1.1*2^25,etc. -*/ - -void fe_add(fe h, const fe f, const fe g) { - int32_t f0 = f[0]; - int32_t f1 = f[1]; - int32_t f2 = f[2]; - int32_t f3 = f[3]; - int32_t f4 = f[4]; - int32_t f5 = f[5]; - int32_t f6 = f[6]; - int32_t f7 = f[7]; - int32_t f8 = f[8]; - int32_t f9 = f[9]; - int32_t g0 = g[0]; - int32_t g1 = g[1]; - int32_t g2 = g[2]; - int32_t g3 = g[3]; - int32_t g4 = g[4]; - int32_t g5 = g[5]; - int32_t g6 = g[6]; - int32_t g7 = g[7]; - int32_t g8 = g[8]; - int32_t g9 = g[9]; - int32_t h0 = f0 + g0; - int32_t h1 = f1 + g1; - int32_t h2 = f2 + g2; - int32_t h3 = f3 + g3; - int32_t h4 = f4 + g4; - int32_t h5 = f5 + g5; - int32_t h6 = f6 + g6; - int32_t h7 = f7 + g7; - int32_t h8 = f8 + g8; - int32_t h9 = f9 + g9; - h[0] = h0; - h[1] = h1; - h[2] = h2; - h[3] = h3; - h[4] = h4; - h[5] = h5; - h[6] = h6; - h[7] = h7; - h[8] = h8; - h[9] = h9; -} - -/* From fe_cmov.c */ - -/* -Replace (f,g) with (g,g) if b == 1; -replace (f,g) with (f,g) if b == 0. - -Preconditions: b in {0,1}. -*/ - -static void fe_cmov(fe f, const fe g, unsigned int b) { - int32_t f0 = f[0]; - int32_t f1 = f[1]; - int32_t f2 = f[2]; - int32_t f3 = f[3]; - int32_t f4 = f[4]; - int32_t f5 = f[5]; - int32_t f6 = f[6]; - int32_t f7 = f[7]; - int32_t f8 = f[8]; - int32_t f9 = f[9]; - int32_t g0 = g[0]; - int32_t g1 = g[1]; - int32_t g2 = g[2]; - int32_t g3 = g[3]; - int32_t g4 = g[4]; - int32_t g5 = g[5]; - int32_t g6 = g[6]; - int32_t g7 = g[7]; - int32_t g8 = g[8]; - int32_t g9 = g[9]; - int32_t x0 = f0 ^ g0; - int32_t x1 = f1 ^ g1; - int32_t x2 = f2 ^ g2; - int32_t x3 = f3 ^ g3; - int32_t x4 = f4 ^ g4; - int32_t x5 = f5 ^ g5; - int32_t x6 = f6 ^ g6; - int32_t x7 = f7 ^ g7; - int32_t x8 = f8 ^ g8; - int32_t x9 = f9 ^ g9; - assert((((b - 1) & ~b) | ((b - 2) & ~(b - 1))) == (unsigned int)-1); - b = -b; - x0 &= b; - x1 &= b; - x2 &= b; - x3 &= b; - x4 &= b; - x5 &= b; - x6 &= b; - x7 &= b; - x8 &= b; - x9 &= b; - f[0] = f0 ^ x0; - f[1] = f1 ^ x1; - f[2] = f2 ^ x2; - f[3] = f3 ^ x3; - f[4] = f4 ^ x4; - f[5] = f5 ^ x5; - f[6] = f6 ^ x6; - f[7] = f7 ^ x7; - f[8] = f8 ^ x8; - f[9] = f9 ^ x9; -} - -/* From fe_copy.c */ - -/* -h = f -*/ - -static void fe_copy(fe h, const fe f) { - int32_t f0 = f[0]; - int32_t f1 = f[1]; - int32_t f2 = f[2]; - int32_t f3 = f[3]; - int32_t f4 = f[4]; - int32_t f5 = f[5]; - int32_t f6 = f[6]; - int32_t f7 = f[7]; - int32_t f8 = f[8]; - int32_t f9 = f[9]; - h[0] = f0; - h[1] = f1; - h[2] = f2; - h[3] = f3; - h[4] = f4; - h[5] = f5; - h[6] = f6; - h[7] = f7; - h[8] = f8; - h[9] = f9; -} - -/* From fe_invert.c */ - -void fe_invert(fe out, const fe z) { - fe t0; - fe t1; - fe t2; - fe t3; - int i; - - fe_sq(t0, z); - fe_sq(t1, t0); - fe_sq(t1, t1); - fe_mul(t1, z, t1); - fe_mul(t0, t0, t1); - fe_sq(t2, t0); - fe_mul(t1, t1, t2); - fe_sq(t2, t1); - for (i = 0; i < 4; ++i) { - fe_sq(t2, t2); - } - fe_mul(t1, t2, t1); - fe_sq(t2, t1); - for (i = 0; i < 9; ++i) { - fe_sq(t2, t2); - } - fe_mul(t2, t2, t1); - fe_sq(t3, t2); - for (i = 0; i < 19; ++i) { - fe_sq(t3, t3); - } - fe_mul(t2, t3, t2); - fe_sq(t2, t2); - for (i = 0; i < 9; ++i) { - fe_sq(t2, t2); - } - fe_mul(t1, t2, t1); - fe_sq(t2, t1); - for (i = 0; i < 49; ++i) { - fe_sq(t2, t2); - } - fe_mul(t2, t2, t1); - fe_sq(t3, t2); - for (i = 0; i < 99; ++i) { - fe_sq(t3, t3); - } - fe_mul(t2, t3, t2); - fe_sq(t2, t2); - for (i = 0; i < 49; ++i) { - fe_sq(t2, t2); - } - fe_mul(t1, t2, t1); - fe_sq(t1, t1); - for (i = 0; i < 4; ++i) { - fe_sq(t1, t1); - } - fe_mul(out, t1, t0); - - return; -} - -/* From fe_isnegative.c */ - -/* -return 1 if f is in {1,3,5,...,q-2} -return 0 if f is in {0,2,4,...,q-1} - -Preconditions: - |f| bounded by 1.1*2^26,1.1*2^25,1.1*2^26,1.1*2^25,etc. -*/ - -static int fe_isnegative(const fe f) { - unsigned char s[32]; - fe_tobytes(s, f); - return s[0] & 1; -} - -/* From fe_isnonzero.c, modified */ - -static int fe_isnonzero(const fe f) { - unsigned char s[32]; - fe_tobytes(s, f); - return (((int)(s[0] | s[1] | s[2] | s[3] | s[4] | s[5] | s[6] | s[7] | s[8] | s[9] | s[10] | - s[11] | s[12] | s[13] | s[14] | s[15] | s[16] | s[17] | s[18] | s[19] | s[20] | - s[21] | s[22] | s[23] | s[24] | s[25] | s[26] | s[27] | s[28] | s[29] | s[30] | - s[31]) - - 1) >> - 8) + - 1; -} - -/* From fe_mul.c */ - -/* -h = f * g -Can overlap h with f or g. - -Preconditions: - |f| bounded by 1.65*2^26,1.65*2^25,1.65*2^26,1.65*2^25,etc. - |g| bounded by 1.65*2^26,1.65*2^25,1.65*2^26,1.65*2^25,etc. - -Postconditions: - |h| bounded by 1.01*2^25,1.01*2^24,1.01*2^25,1.01*2^24,etc. -*/ - -/* -Notes on implementation strategy: - -Using schoolbook multiplication. -Karatsuba would save a little in some cost models. - -Most multiplications by 2 and 19 are 32-bit precomputations; -cheaper than 64-bit postcomputations. - -There is one remaining multiplication by 19 in the carry chain; -one *19 precomputation can be merged into this, -but the resulting data flow is considerably less clean. - -There are 12 carries below. -10 of them are 2-way parallelizable and vectorizable. -Can get away with 11 carries, but then data flow is much deeper. - -With tighter constraints on inputs can squeeze carries into int32. -*/ - -static void fe_mul(fe h, const fe f, const fe g) { - int32_t f0 = f[0]; - int32_t f1 = f[1]; - int32_t f2 = f[2]; - int32_t f3 = f[3]; - int32_t f4 = f[4]; - int32_t f5 = f[5]; - int32_t f6 = f[6]; - int32_t f7 = f[7]; - int32_t f8 = f[8]; - int32_t f9 = f[9]; - int32_t g0 = g[0]; - int32_t g1 = g[1]; - int32_t g2 = g[2]; - int32_t g3 = g[3]; - int32_t g4 = g[4]; - int32_t g5 = g[5]; - int32_t g6 = g[6]; - int32_t g7 = g[7]; - int32_t g8 = g[8]; - int32_t g9 = g[9]; - int32_t g1_19 = 19 * g1; /* 1.959375*2^29 */ - int32_t g2_19 = 19 * g2; /* 1.959375*2^30; still ok */ - int32_t g3_19 = 19 * g3; - int32_t g4_19 = 19 * g4; - int32_t g5_19 = 19 * g5; - int32_t g6_19 = 19 * g6; - int32_t g7_19 = 19 * g7; - int32_t g8_19 = 19 * g8; - int32_t g9_19 = 19 * g9; - int32_t f1_2 = 2 * f1; - int32_t f3_2 = 2 * f3; - int32_t f5_2 = 2 * f5; - int32_t f7_2 = 2 * f7; - int32_t f9_2 = 2 * f9; - int64_t f0g0 = f0 * (int64_t)g0; - int64_t f0g1 = f0 * (int64_t)g1; - int64_t f0g2 = f0 * (int64_t)g2; - int64_t f0g3 = f0 * (int64_t)g3; - int64_t f0g4 = f0 * (int64_t)g4; - int64_t f0g5 = f0 * (int64_t)g5; - int64_t f0g6 = f0 * (int64_t)g6; - int64_t f0g7 = f0 * (int64_t)g7; - int64_t f0g8 = f0 * (int64_t)g8; - int64_t f0g9 = f0 * (int64_t)g9; - int64_t f1g0 = f1 * (int64_t)g0; - int64_t f1g1_2 = f1_2 * (int64_t)g1; - int64_t f1g2 = f1 * (int64_t)g2; - int64_t f1g3_2 = f1_2 * (int64_t)g3; - int64_t f1g4 = f1 * (int64_t)g4; - int64_t f1g5_2 = f1_2 * (int64_t)g5; - int64_t f1g6 = f1 * (int64_t)g6; - int64_t f1g7_2 = f1_2 * (int64_t)g7; - int64_t f1g8 = f1 * (int64_t)g8; - int64_t f1g9_38 = f1_2 * (int64_t)g9_19; - int64_t f2g0 = f2 * (int64_t)g0; - int64_t f2g1 = f2 * (int64_t)g1; - int64_t f2g2 = f2 * (int64_t)g2; - int64_t f2g3 = f2 * (int64_t)g3; - int64_t f2g4 = f2 * (int64_t)g4; - int64_t f2g5 = f2 * (int64_t)g5; - int64_t f2g6 = f2 * (int64_t)g6; - int64_t f2g7 = f2 * (int64_t)g7; - int64_t f2g8_19 = f2 * (int64_t)g8_19; - int64_t f2g9_19 = f2 * (int64_t)g9_19; - int64_t f3g0 = f3 * (int64_t)g0; - int64_t f3g1_2 = f3_2 * (int64_t)g1; - int64_t f3g2 = f3 * (int64_t)g2; - int64_t f3g3_2 = f3_2 * (int64_t)g3; - int64_t f3g4 = f3 * (int64_t)g4; - int64_t f3g5_2 = f3_2 * (int64_t)g5; - int64_t f3g6 = f3 * (int64_t)g6; - int64_t f3g7_38 = f3_2 * (int64_t)g7_19; - int64_t f3g8_19 = f3 * (int64_t)g8_19; - int64_t f3g9_38 = f3_2 * (int64_t)g9_19; - int64_t f4g0 = f4 * (int64_t)g0; - int64_t f4g1 = f4 * (int64_t)g1; - int64_t f4g2 = f4 * (int64_t)g2; - int64_t f4g3 = f4 * (int64_t)g3; - int64_t f4g4 = f4 * (int64_t)g4; - int64_t f4g5 = f4 * (int64_t)g5; - int64_t f4g6_19 = f4 * (int64_t)g6_19; - int64_t f4g7_19 = f4 * (int64_t)g7_19; - int64_t f4g8_19 = f4 * (int64_t)g8_19; - int64_t f4g9_19 = f4 * (int64_t)g9_19; - int64_t f5g0 = f5 * (int64_t)g0; - int64_t f5g1_2 = f5_2 * (int64_t)g1; - int64_t f5g2 = f5 * (int64_t)g2; - int64_t f5g3_2 = f5_2 * (int64_t)g3; - int64_t f5g4 = f5 * (int64_t)g4; - int64_t f5g5_38 = f5_2 * (int64_t)g5_19; - int64_t f5g6_19 = f5 * (int64_t)g6_19; - int64_t f5g7_38 = f5_2 * (int64_t)g7_19; - int64_t f5g8_19 = f5 * (int64_t)g8_19; - int64_t f5g9_38 = f5_2 * (int64_t)g9_19; - int64_t f6g0 = f6 * (int64_t)g0; - int64_t f6g1 = f6 * (int64_t)g1; - int64_t f6g2 = f6 * (int64_t)g2; - int64_t f6g3 = f6 * (int64_t)g3; - int64_t f6g4_19 = f6 * (int64_t)g4_19; - int64_t f6g5_19 = f6 * (int64_t)g5_19; - int64_t f6g6_19 = f6 * (int64_t)g6_19; - int64_t f6g7_19 = f6 * (int64_t)g7_19; - int64_t f6g8_19 = f6 * (int64_t)g8_19; - int64_t f6g9_19 = f6 * (int64_t)g9_19; - int64_t f7g0 = f7 * (int64_t)g0; - int64_t f7g1_2 = f7_2 * (int64_t)g1; - int64_t f7g2 = f7 * (int64_t)g2; - int64_t f7g3_38 = f7_2 * (int64_t)g3_19; - int64_t f7g4_19 = f7 * (int64_t)g4_19; - int64_t f7g5_38 = f7_2 * (int64_t)g5_19; - int64_t f7g6_19 = f7 * (int64_t)g6_19; - int64_t f7g7_38 = f7_2 * (int64_t)g7_19; - int64_t f7g8_19 = f7 * (int64_t)g8_19; - int64_t f7g9_38 = f7_2 * (int64_t)g9_19; - int64_t f8g0 = f8 * (int64_t)g0; - int64_t f8g1 = f8 * (int64_t)g1; - int64_t f8g2_19 = f8 * (int64_t)g2_19; - int64_t f8g3_19 = f8 * (int64_t)g3_19; - int64_t f8g4_19 = f8 * (int64_t)g4_19; - int64_t f8g5_19 = f8 * (int64_t)g5_19; - int64_t f8g6_19 = f8 * (int64_t)g6_19; - int64_t f8g7_19 = f8 * (int64_t)g7_19; - int64_t f8g8_19 = f8 * (int64_t)g8_19; - int64_t f8g9_19 = f8 * (int64_t)g9_19; - int64_t f9g0 = f9 * (int64_t)g0; - int64_t f9g1_38 = f9_2 * (int64_t)g1_19; - int64_t f9g2_19 = f9 * (int64_t)g2_19; - int64_t f9g3_38 = f9_2 * (int64_t)g3_19; - int64_t f9g4_19 = f9 * (int64_t)g4_19; - int64_t f9g5_38 = f9_2 * (int64_t)g5_19; - int64_t f9g6_19 = f9 * (int64_t)g6_19; - int64_t f9g7_38 = f9_2 * (int64_t)g7_19; - int64_t f9g8_19 = f9 * (int64_t)g8_19; - int64_t f9g9_38 = f9_2 * (int64_t)g9_19; - int64_t h0 = f0g0 + f1g9_38 + f2g8_19 + f3g7_38 + f4g6_19 + f5g5_38 + f6g4_19 + f7g3_38 + - f8g2_19 + f9g1_38; - int64_t h1 = f0g1 + f1g0 + f2g9_19 + f3g8_19 + f4g7_19 + f5g6_19 + f6g5_19 + f7g4_19 + f8g3_19 + - f9g2_19; - int64_t h2 = f0g2 + f1g1_2 + f2g0 + f3g9_38 + f4g8_19 + f5g7_38 + f6g6_19 + f7g5_38 + f8g4_19 + - f9g3_38; - int64_t h3 = - f0g3 + f1g2 + f2g1 + f3g0 + f4g9_19 + f5g8_19 + f6g7_19 + f7g6_19 + f8g5_19 + f9g4_19; - int64_t h4 = - f0g4 + f1g3_2 + f2g2 + f3g1_2 + f4g0 + f5g9_38 + f6g8_19 + f7g7_38 + f8g6_19 + f9g5_38; - int64_t h5 = f0g5 + f1g4 + f2g3 + f3g2 + f4g1 + f5g0 + f6g9_19 + f7g8_19 + f8g7_19 + f9g6_19; - int64_t h6 = f0g6 + f1g5_2 + f2g4 + f3g3_2 + f4g2 + f5g1_2 + f6g0 + f7g9_38 + f8g8_19 + f9g7_38; - int64_t h7 = f0g7 + f1g6 + f2g5 + f3g4 + f4g3 + f5g2 + f6g1 + f7g0 + f8g9_19 + f9g8_19; - int64_t h8 = f0g8 + f1g7_2 + f2g6 + f3g5_2 + f4g4 + f5g3_2 + f6g2 + f7g1_2 + f8g0 + f9g9_38; - int64_t h9 = f0g9 + f1g8 + f2g7 + f3g6 + f4g5 + f5g4 + f6g3 + f7g2 + f8g1 + f9g0; - int64_t carry0; - int64_t carry1; - int64_t carry2; - int64_t carry3; - int64_t carry4; - int64_t carry5; - int64_t carry6; - int64_t carry7; - int64_t carry8; - int64_t carry9; - - /* - |h0| <= (1.65*1.65*2^52*(1+19+19+19+19)+1.65*1.65*2^50*(38+38+38+38+38)) - i.e. |h0| <= 1.4*2^60; narrower ranges for h2, h4, h6, h8 - |h1| <= (1.65*1.65*2^51*(1+1+19+19+19+19+19+19+19+19)) - i.e. |h1| <= 1.7*2^59; narrower ranges for h3, h5, h7, h9 - */ - - carry0 = (h0 + (int64_t)(1 << 25)) >> 26; - h1 += carry0; - h0 -= carry0 << 26; - carry4 = (h4 + (int64_t)(1 << 25)) >> 26; - h5 += carry4; - h4 -= carry4 << 26; - /* |h0| <= 2^25 */ - /* |h4| <= 2^25 */ - /* |h1| <= 1.71*2^59 */ - /* |h5| <= 1.71*2^59 */ - - carry1 = (h1 + (int64_t)(1 << 24)) >> 25; - h2 += carry1; - h1 -= carry1 << 25; - carry5 = (h5 + (int64_t)(1 << 24)) >> 25; - h6 += carry5; - h5 -= carry5 << 25; - /* |h1| <= 2^24; from now on fits into int32 */ - /* |h5| <= 2^24; from now on fits into int32 */ - /* |h2| <= 1.41*2^60 */ - /* |h6| <= 1.41*2^60 */ - - carry2 = (h2 + (int64_t)(1 << 25)) >> 26; - h3 += carry2; - h2 -= carry2 << 26; - carry6 = (h6 + (int64_t)(1 << 25)) >> 26; - h7 += carry6; - h6 -= carry6 << 26; - /* |h2| <= 2^25; from now on fits into int32 unchanged */ - /* |h6| <= 2^25; from now on fits into int32 unchanged */ - /* |h3| <= 1.71*2^59 */ - /* |h7| <= 1.71*2^59 */ - - carry3 = (h3 + (int64_t)(1 << 24)) >> 25; - h4 += carry3; - h3 -= carry3 << 25; - carry7 = (h7 + (int64_t)(1 << 24)) >> 25; - h8 += carry7; - h7 -= carry7 << 25; - /* |h3| <= 2^24; from now on fits into int32 unchanged */ - /* |h7| <= 2^24; from now on fits into int32 unchanged */ - /* |h4| <= 1.72*2^34 */ - /* |h8| <= 1.41*2^60 */ - - carry4 = (h4 + (int64_t)(1 << 25)) >> 26; - h5 += carry4; - h4 -= carry4 << 26; - carry8 = (h8 + (int64_t)(1 << 25)) >> 26; - h9 += carry8; - h8 -= carry8 << 26; - /* |h4| <= 2^25; from now on fits into int32 unchanged */ - /* |h8| <= 2^25; from now on fits into int32 unchanged */ - /* |h5| <= 1.01*2^24 */ - /* |h9| <= 1.71*2^59 */ - - carry9 = (h9 + (int64_t)(1 << 24)) >> 25; - h0 += carry9 * 19; - h9 -= carry9 << 25; - /* |h9| <= 2^24; from now on fits into int32 unchanged */ - /* |h0| <= 1.1*2^39 */ - - carry0 = (h0 + (int64_t)(1 << 25)) >> 26; - h1 += carry0; - h0 -= carry0 << 26; - /* |h0| <= 2^25; from now on fits into int32 unchanged */ - /* |h1| <= 1.01*2^24 */ - - h[0] = h0; - h[1] = h1; - h[2] = h2; - h[3] = h3; - h[4] = h4; - h[5] = h5; - h[6] = h6; - h[7] = h7; - h[8] = h8; - h[9] = h9; -} - -/* From fe_neg.c */ - -/* -h = -f - -Preconditions: - |f| bounded by 1.1*2^25,1.1*2^24,1.1*2^25,1.1*2^24,etc. - -Postconditions: - |h| bounded by 1.1*2^25,1.1*2^24,1.1*2^25,1.1*2^24,etc. -*/ - -static void fe_neg(fe h, const fe f) { - int32_t f0 = f[0]; - int32_t f1 = f[1]; - int32_t f2 = f[2]; - int32_t f3 = f[3]; - int32_t f4 = f[4]; - int32_t f5 = f[5]; - int32_t f6 = f[6]; - int32_t f7 = f[7]; - int32_t f8 = f[8]; - int32_t f9 = f[9]; - int32_t h0 = -f0; - int32_t h1 = -f1; - int32_t h2 = -f2; - int32_t h3 = -f3; - int32_t h4 = -f4; - int32_t h5 = -f5; - int32_t h6 = -f6; - int32_t h7 = -f7; - int32_t h8 = -f8; - int32_t h9 = -f9; - h[0] = h0; - h[1] = h1; - h[2] = h2; - h[3] = h3; - h[4] = h4; - h[5] = h5; - h[6] = h6; - h[7] = h7; - h[8] = h8; - h[9] = h9; -} - -/* From fe_sq.c */ - -/* -h = f * f -Can overlap h with f. - -Preconditions: - |f| bounded by 1.65*2^26,1.65*2^25,1.65*2^26,1.65*2^25,etc. - -Postconditions: - |h| bounded by 1.01*2^25,1.01*2^24,1.01*2^25,1.01*2^24,etc. -*/ - -/* -See fe_mul.c for discussion of implementation strategy. -*/ - -static void fe_sq(fe h, const fe f) { - int32_t f0 = f[0]; - int32_t f1 = f[1]; - int32_t f2 = f[2]; - int32_t f3 = f[3]; - int32_t f4 = f[4]; - int32_t f5 = f[5]; - int32_t f6 = f[6]; - int32_t f7 = f[7]; - int32_t f8 = f[8]; - int32_t f9 = f[9]; - int32_t f0_2 = 2 * f0; - int32_t f1_2 = 2 * f1; - int32_t f2_2 = 2 * f2; - int32_t f3_2 = 2 * f3; - int32_t f4_2 = 2 * f4; - int32_t f5_2 = 2 * f5; - int32_t f6_2 = 2 * f6; - int32_t f7_2 = 2 * f7; - int32_t f5_38 = 38 * f5; /* 1.959375*2^30 */ - int32_t f6_19 = 19 * f6; /* 1.959375*2^30 */ - int32_t f7_38 = 38 * f7; /* 1.959375*2^30 */ - int32_t f8_19 = 19 * f8; /* 1.959375*2^30 */ - int32_t f9_38 = 38 * f9; /* 1.959375*2^30 */ - int64_t f0f0 = f0 * (int64_t)f0; - int64_t f0f1_2 = f0_2 * (int64_t)f1; - int64_t f0f2_2 = f0_2 * (int64_t)f2; - int64_t f0f3_2 = f0_2 * (int64_t)f3; - int64_t f0f4_2 = f0_2 * (int64_t)f4; - int64_t f0f5_2 = f0_2 * (int64_t)f5; - int64_t f0f6_2 = f0_2 * (int64_t)f6; - int64_t f0f7_2 = f0_2 * (int64_t)f7; - int64_t f0f8_2 = f0_2 * (int64_t)f8; - int64_t f0f9_2 = f0_2 * (int64_t)f9; - int64_t f1f1_2 = f1_2 * (int64_t)f1; - int64_t f1f2_2 = f1_2 * (int64_t)f2; - int64_t f1f3_4 = f1_2 * (int64_t)f3_2; - int64_t f1f4_2 = f1_2 * (int64_t)f4; - int64_t f1f5_4 = f1_2 * (int64_t)f5_2; - int64_t f1f6_2 = f1_2 * (int64_t)f6; - int64_t f1f7_4 = f1_2 * (int64_t)f7_2; - int64_t f1f8_2 = f1_2 * (int64_t)f8; - int64_t f1f9_76 = f1_2 * (int64_t)f9_38; - int64_t f2f2 = f2 * (int64_t)f2; - int64_t f2f3_2 = f2_2 * (int64_t)f3; - int64_t f2f4_2 = f2_2 * (int64_t)f4; - int64_t f2f5_2 = f2_2 * (int64_t)f5; - int64_t f2f6_2 = f2_2 * (int64_t)f6; - int64_t f2f7_2 = f2_2 * (int64_t)f7; - int64_t f2f8_38 = f2_2 * (int64_t)f8_19; - int64_t f2f9_38 = f2 * (int64_t)f9_38; - int64_t f3f3_2 = f3_2 * (int64_t)f3; - int64_t f3f4_2 = f3_2 * (int64_t)f4; - int64_t f3f5_4 = f3_2 * (int64_t)f5_2; - int64_t f3f6_2 = f3_2 * (int64_t)f6; - int64_t f3f7_76 = f3_2 * (int64_t)f7_38; - int64_t f3f8_38 = f3_2 * (int64_t)f8_19; - int64_t f3f9_76 = f3_2 * (int64_t)f9_38; - int64_t f4f4 = f4 * (int64_t)f4; - int64_t f4f5_2 = f4_2 * (int64_t)f5; - int64_t f4f6_38 = f4_2 * (int64_t)f6_19; - int64_t f4f7_38 = f4 * (int64_t)f7_38; - int64_t f4f8_38 = f4_2 * (int64_t)f8_19; - int64_t f4f9_38 = f4 * (int64_t)f9_38; - int64_t f5f5_38 = f5 * (int64_t)f5_38; - int64_t f5f6_38 = f5_2 * (int64_t)f6_19; - int64_t f5f7_76 = f5_2 * (int64_t)f7_38; - int64_t f5f8_38 = f5_2 * (int64_t)f8_19; - int64_t f5f9_76 = f5_2 * (int64_t)f9_38; - int64_t f6f6_19 = f6 * (int64_t)f6_19; - int64_t f6f7_38 = f6 * (int64_t)f7_38; - int64_t f6f8_38 = f6_2 * (int64_t)f8_19; - int64_t f6f9_38 = f6 * (int64_t)f9_38; - int64_t f7f7_38 = f7 * (int64_t)f7_38; - int64_t f7f8_38 = f7_2 * (int64_t)f8_19; - int64_t f7f9_76 = f7_2 * (int64_t)f9_38; - int64_t f8f8_19 = f8 * (int64_t)f8_19; - int64_t f8f9_38 = f8 * (int64_t)f9_38; - int64_t f9f9_38 = f9 * (int64_t)f9_38; - int64_t h0 = f0f0 + f1f9_76 + f2f8_38 + f3f7_76 + f4f6_38 + f5f5_38; - int64_t h1 = f0f1_2 + f2f9_38 + f3f8_38 + f4f7_38 + f5f6_38; - int64_t h2 = f0f2_2 + f1f1_2 + f3f9_76 + f4f8_38 + f5f7_76 + f6f6_19; - int64_t h3 = f0f3_2 + f1f2_2 + f4f9_38 + f5f8_38 + f6f7_38; - int64_t h4 = f0f4_2 + f1f3_4 + f2f2 + f5f9_76 + f6f8_38 + f7f7_38; - int64_t h5 = f0f5_2 + f1f4_2 + f2f3_2 + f6f9_38 + f7f8_38; - int64_t h6 = f0f6_2 + f1f5_4 + f2f4_2 + f3f3_2 + f7f9_76 + f8f8_19; - int64_t h7 = f0f7_2 + f1f6_2 + f2f5_2 + f3f4_2 + f8f9_38; - int64_t h8 = f0f8_2 + f1f7_4 + f2f6_2 + f3f5_4 + f4f4 + f9f9_38; - int64_t h9 = f0f9_2 + f1f8_2 + f2f7_2 + f3f6_2 + f4f5_2; - int64_t carry0; - int64_t carry1; - int64_t carry2; - int64_t carry3; - int64_t carry4; - int64_t carry5; - int64_t carry6; - int64_t carry7; - int64_t carry8; - int64_t carry9; - - carry0 = (h0 + (int64_t)(1 << 25)) >> 26; - h1 += carry0; - h0 -= carry0 << 26; - carry4 = (h4 + (int64_t)(1 << 25)) >> 26; - h5 += carry4; - h4 -= carry4 << 26; - - carry1 = (h1 + (int64_t)(1 << 24)) >> 25; - h2 += carry1; - h1 -= carry1 << 25; - carry5 = (h5 + (int64_t)(1 << 24)) >> 25; - h6 += carry5; - h5 -= carry5 << 25; - - carry2 = (h2 + (int64_t)(1 << 25)) >> 26; - h3 += carry2; - h2 -= carry2 << 26; - carry6 = (h6 + (int64_t)(1 << 25)) >> 26; - h7 += carry6; - h6 -= carry6 << 26; - - carry3 = (h3 + (int64_t)(1 << 24)) >> 25; - h4 += carry3; - h3 -= carry3 << 25; - carry7 = (h7 + (int64_t)(1 << 24)) >> 25; - h8 += carry7; - h7 -= carry7 << 25; - - carry4 = (h4 + (int64_t)(1 << 25)) >> 26; - h5 += carry4; - h4 -= carry4 << 26; - carry8 = (h8 + (int64_t)(1 << 25)) >> 26; - h9 += carry8; - h8 -= carry8 << 26; - - carry9 = (h9 + (int64_t)(1 << 24)) >> 25; - h0 += carry9 * 19; - h9 -= carry9 << 25; - - carry0 = (h0 + (int64_t)(1 << 25)) >> 26; - h1 += carry0; - h0 -= carry0 << 26; - - h[0] = h0; - h[1] = h1; - h[2] = h2; - h[3] = h3; - h[4] = h4; - h[5] = h5; - h[6] = h6; - h[7] = h7; - h[8] = h8; - h[9] = h9; -} - -/* From fe_sq2.c */ - -/* -h = 2 * f * f -Can overlap h with f. - -Preconditions: - |f| bounded by 1.65*2^26,1.65*2^25,1.65*2^26,1.65*2^25,etc. - -Postconditions: - |h| bounded by 1.01*2^25,1.01*2^24,1.01*2^25,1.01*2^24,etc. -*/ - -/* -See fe_mul.c for discussion of implementation strategy. -*/ - -static void fe_sq2(fe h, const fe f) { - int32_t f0 = f[0]; - int32_t f1 = f[1]; - int32_t f2 = f[2]; - int32_t f3 = f[3]; - int32_t f4 = f[4]; - int32_t f5 = f[5]; - int32_t f6 = f[6]; - int32_t f7 = f[7]; - int32_t f8 = f[8]; - int32_t f9 = f[9]; - int32_t f0_2 = 2 * f0; - int32_t f1_2 = 2 * f1; - int32_t f2_2 = 2 * f2; - int32_t f3_2 = 2 * f3; - int32_t f4_2 = 2 * f4; - int32_t f5_2 = 2 * f5; - int32_t f6_2 = 2 * f6; - int32_t f7_2 = 2 * f7; - int32_t f5_38 = 38 * f5; /* 1.959375*2^30 */ - int32_t f6_19 = 19 * f6; /* 1.959375*2^30 */ - int32_t f7_38 = 38 * f7; /* 1.959375*2^30 */ - int32_t f8_19 = 19 * f8; /* 1.959375*2^30 */ - int32_t f9_38 = 38 * f9; /* 1.959375*2^30 */ - int64_t f0f0 = f0 * (int64_t)f0; - int64_t f0f1_2 = f0_2 * (int64_t)f1; - int64_t f0f2_2 = f0_2 * (int64_t)f2; - int64_t f0f3_2 = f0_2 * (int64_t)f3; - int64_t f0f4_2 = f0_2 * (int64_t)f4; - int64_t f0f5_2 = f0_2 * (int64_t)f5; - int64_t f0f6_2 = f0_2 * (int64_t)f6; - int64_t f0f7_2 = f0_2 * (int64_t)f7; - int64_t f0f8_2 = f0_2 * (int64_t)f8; - int64_t f0f9_2 = f0_2 * (int64_t)f9; - int64_t f1f1_2 = f1_2 * (int64_t)f1; - int64_t f1f2_2 = f1_2 * (int64_t)f2; - int64_t f1f3_4 = f1_2 * (int64_t)f3_2; - int64_t f1f4_2 = f1_2 * (int64_t)f4; - int64_t f1f5_4 = f1_2 * (int64_t)f5_2; - int64_t f1f6_2 = f1_2 * (int64_t)f6; - int64_t f1f7_4 = f1_2 * (int64_t)f7_2; - int64_t f1f8_2 = f1_2 * (int64_t)f8; - int64_t f1f9_76 = f1_2 * (int64_t)f9_38; - int64_t f2f2 = f2 * (int64_t)f2; - int64_t f2f3_2 = f2_2 * (int64_t)f3; - int64_t f2f4_2 = f2_2 * (int64_t)f4; - int64_t f2f5_2 = f2_2 * (int64_t)f5; - int64_t f2f6_2 = f2_2 * (int64_t)f6; - int64_t f2f7_2 = f2_2 * (int64_t)f7; - int64_t f2f8_38 = f2_2 * (int64_t)f8_19; - int64_t f2f9_38 = f2 * (int64_t)f9_38; - int64_t f3f3_2 = f3_2 * (int64_t)f3; - int64_t f3f4_2 = f3_2 * (int64_t)f4; - int64_t f3f5_4 = f3_2 * (int64_t)f5_2; - int64_t f3f6_2 = f3_2 * (int64_t)f6; - int64_t f3f7_76 = f3_2 * (int64_t)f7_38; - int64_t f3f8_38 = f3_2 * (int64_t)f8_19; - int64_t f3f9_76 = f3_2 * (int64_t)f9_38; - int64_t f4f4 = f4 * (int64_t)f4; - int64_t f4f5_2 = f4_2 * (int64_t)f5; - int64_t f4f6_38 = f4_2 * (int64_t)f6_19; - int64_t f4f7_38 = f4 * (int64_t)f7_38; - int64_t f4f8_38 = f4_2 * (int64_t)f8_19; - int64_t f4f9_38 = f4 * (int64_t)f9_38; - int64_t f5f5_38 = f5 * (int64_t)f5_38; - int64_t f5f6_38 = f5_2 * (int64_t)f6_19; - int64_t f5f7_76 = f5_2 * (int64_t)f7_38; - int64_t f5f8_38 = f5_2 * (int64_t)f8_19; - int64_t f5f9_76 = f5_2 * (int64_t)f9_38; - int64_t f6f6_19 = f6 * (int64_t)f6_19; - int64_t f6f7_38 = f6 * (int64_t)f7_38; - int64_t f6f8_38 = f6_2 * (int64_t)f8_19; - int64_t f6f9_38 = f6 * (int64_t)f9_38; - int64_t f7f7_38 = f7 * (int64_t)f7_38; - int64_t f7f8_38 = f7_2 * (int64_t)f8_19; - int64_t f7f9_76 = f7_2 * (int64_t)f9_38; - int64_t f8f8_19 = f8 * (int64_t)f8_19; - int64_t f8f9_38 = f8 * (int64_t)f9_38; - int64_t f9f9_38 = f9 * (int64_t)f9_38; - int64_t h0 = f0f0 + f1f9_76 + f2f8_38 + f3f7_76 + f4f6_38 + f5f5_38; - int64_t h1 = f0f1_2 + f2f9_38 + f3f8_38 + f4f7_38 + f5f6_38; - int64_t h2 = f0f2_2 + f1f1_2 + f3f9_76 + f4f8_38 + f5f7_76 + f6f6_19; - int64_t h3 = f0f3_2 + f1f2_2 + f4f9_38 + f5f8_38 + f6f7_38; - int64_t h4 = f0f4_2 + f1f3_4 + f2f2 + f5f9_76 + f6f8_38 + f7f7_38; - int64_t h5 = f0f5_2 + f1f4_2 + f2f3_2 + f6f9_38 + f7f8_38; - int64_t h6 = f0f6_2 + f1f5_4 + f2f4_2 + f3f3_2 + f7f9_76 + f8f8_19; - int64_t h7 = f0f7_2 + f1f6_2 + f2f5_2 + f3f4_2 + f8f9_38; - int64_t h8 = f0f8_2 + f1f7_4 + f2f6_2 + f3f5_4 + f4f4 + f9f9_38; - int64_t h9 = f0f9_2 + f1f8_2 + f2f7_2 + f3f6_2 + f4f5_2; - int64_t carry0; - int64_t carry1; - int64_t carry2; - int64_t carry3; - int64_t carry4; - int64_t carry5; - int64_t carry6; - int64_t carry7; - int64_t carry8; - int64_t carry9; - - h0 += h0; - h1 += h1; - h2 += h2; - h3 += h3; - h4 += h4; - h5 += h5; - h6 += h6; - h7 += h7; - h8 += h8; - h9 += h9; - - carry0 = (h0 + (int64_t)(1 << 25)) >> 26; - h1 += carry0; - h0 -= carry0 << 26; - carry4 = (h4 + (int64_t)(1 << 25)) >> 26; - h5 += carry4; - h4 -= carry4 << 26; - - carry1 = (h1 + (int64_t)(1 << 24)) >> 25; - h2 += carry1; - h1 -= carry1 << 25; - carry5 = (h5 + (int64_t)(1 << 24)) >> 25; - h6 += carry5; - h5 -= carry5 << 25; - - carry2 = (h2 + (int64_t)(1 << 25)) >> 26; - h3 += carry2; - h2 -= carry2 << 26; - carry6 = (h6 + (int64_t)(1 << 25)) >> 26; - h7 += carry6; - h6 -= carry6 << 26; - - carry3 = (h3 + (int64_t)(1 << 24)) >> 25; - h4 += carry3; - h3 -= carry3 << 25; - carry7 = (h7 + (int64_t)(1 << 24)) >> 25; - h8 += carry7; - h7 -= carry7 << 25; - - carry4 = (h4 + (int64_t)(1 << 25)) >> 26; - h5 += carry4; - h4 -= carry4 << 26; - carry8 = (h8 + (int64_t)(1 << 25)) >> 26; - h9 += carry8; - h8 -= carry8 << 26; - - carry9 = (h9 + (int64_t)(1 << 24)) >> 25; - h0 += carry9 * 19; - h9 -= carry9 << 25; - - carry0 = (h0 + (int64_t)(1 << 25)) >> 26; - h1 += carry0; - h0 -= carry0 << 26; - - h[0] = h0; - h[1] = h1; - h[2] = h2; - h[3] = h3; - h[4] = h4; - h[5] = h5; - h[6] = h6; - h[7] = h7; - h[8] = h8; - h[9] = h9; -} - -/* From fe_sub.c */ - -/* -h = f - g -Can overlap h with f or g. - -Preconditions: - |f| bounded by 1.1*2^25,1.1*2^24,1.1*2^25,1.1*2^24,etc. - |g| bounded by 1.1*2^25,1.1*2^24,1.1*2^25,1.1*2^24,etc. - -Postconditions: - |h| bounded by 1.1*2^26,1.1*2^25,1.1*2^26,1.1*2^25,etc. -*/ - -static void fe_sub(fe h, const fe f, const fe g) { - int32_t f0 = f[0]; - int32_t f1 = f[1]; - int32_t f2 = f[2]; - int32_t f3 = f[3]; - int32_t f4 = f[4]; - int32_t f5 = f[5]; - int32_t f6 = f[6]; - int32_t f7 = f[7]; - int32_t f8 = f[8]; - int32_t f9 = f[9]; - int32_t g0 = g[0]; - int32_t g1 = g[1]; - int32_t g2 = g[2]; - int32_t g3 = g[3]; - int32_t g4 = g[4]; - int32_t g5 = g[5]; - int32_t g6 = g[6]; - int32_t g7 = g[7]; - int32_t g8 = g[8]; - int32_t g9 = g[9]; - int32_t h0 = f0 - g0; - int32_t h1 = f1 - g1; - int32_t h2 = f2 - g2; - int32_t h3 = f3 - g3; - int32_t h4 = f4 - g4; - int32_t h5 = f5 - g5; - int32_t h6 = f6 - g6; - int32_t h7 = f7 - g7; - int32_t h8 = f8 - g8; - int32_t h9 = f9 - g9; - h[0] = h0; - h[1] = h1; - h[2] = h2; - h[3] = h3; - h[4] = h4; - h[5] = h5; - h[6] = h6; - h[7] = h7; - h[8] = h8; - h[9] = h9; -} - -/* From fe_tobytes.c */ - -/* -Preconditions: - |h| bounded by 1.1*2^26,1.1*2^25,1.1*2^26,1.1*2^25,etc. - -Write p=2^255-19; q=floor(h/p). -Basic claim: q = floor(2^(-255)(h + 19 2^(-25)h9 + 2^(-1))). - -Proof: - Have |h|<=p so |q|<=1 so |19^2 2^(-255) q|<1/4. - Also have |h-2^230 h9|<2^231 so |19 2^(-255)(h-2^230 h9)|<1/4. - - Write y=2^(-1)-19^2 2^(-255)q-19 2^(-255)(h-2^230 h9). - Then 0> 25; - q = (h0 + q) >> 26; - q = (h1 + q) >> 25; - q = (h2 + q) >> 26; - q = (h3 + q) >> 25; - q = (h4 + q) >> 26; - q = (h5 + q) >> 25; - q = (h6 + q) >> 26; - q = (h7 + q) >> 25; - q = (h8 + q) >> 26; - q = (h9 + q) >> 25; - - /* Goal: Output h-(2^255-19)q, which is between 0 and 2^255-20. */ - h0 += 19 * q; - /* Goal: Output h-2^255 q, which is between 0 and 2^255-20. */ - - carry0 = h0 >> 26; - h1 += carry0; - h0 -= carry0 << 26; - carry1 = h1 >> 25; - h2 += carry1; - h1 -= carry1 << 25; - carry2 = h2 >> 26; - h3 += carry2; - h2 -= carry2 << 26; - carry3 = h3 >> 25; - h4 += carry3; - h3 -= carry3 << 25; - carry4 = h4 >> 26; - h5 += carry4; - h4 -= carry4 << 26; - carry5 = h5 >> 25; - h6 += carry5; - h5 -= carry5 << 25; - carry6 = h6 >> 26; - h7 += carry6; - h6 -= carry6 << 26; - carry7 = h7 >> 25; - h8 += carry7; - h7 -= carry7 << 25; - carry8 = h8 >> 26; - h9 += carry8; - h8 -= carry8 << 26; - carry9 = h9 >> 25; - h9 -= carry9 << 25; - /* h10 = carry9 */ - - /* - Goal: Output h0+...+2^255 h10-2^255 q, which is between 0 and 2^255-20. - Have h0+...+2^230 h9 between 0 and 2^255-1; - evidently 2^255 h10-2^255 q = 0. - Goal: Output h0+...+2^230 h9. - */ - - s[0] = h0 >> 0; - s[1] = h0 >> 8; - s[2] = h0 >> 16; - s[3] = (h0 >> 24) | (h1 << 2); - s[4] = h1 >> 6; - s[5] = h1 >> 14; - s[6] = (h1 >> 22) | (h2 << 3); - s[7] = h2 >> 5; - s[8] = h2 >> 13; - s[9] = (h2 >> 21) | (h3 << 5); - s[10] = h3 >> 3; - s[11] = h3 >> 11; - s[12] = (h3 >> 19) | (h4 << 6); - s[13] = h4 >> 2; - s[14] = h4 >> 10; - s[15] = h4 >> 18; - s[16] = h5 >> 0; - s[17] = h5 >> 8; - s[18] = h5 >> 16; - s[19] = (h5 >> 24) | (h6 << 1); - s[20] = h6 >> 7; - s[21] = h6 >> 15; - s[22] = (h6 >> 23) | (h7 << 3); - s[23] = h7 >> 5; - s[24] = h7 >> 13; - s[25] = (h7 >> 21) | (h8 << 4); - s[26] = h8 >> 4; - s[27] = h8 >> 12; - s[28] = (h8 >> 20) | (h9 << 6); - s[29] = h9 >> 2; - s[30] = h9 >> 10; - s[31] = h9 >> 18; -} - -/* From ge_add.c */ - -void ge_add(ge_p1p1* r, const ge_p3* p, const ge_cached* q) { - fe t0; - fe_add(r->X, p->Y, p->X); - fe_sub(r->Y, p->Y, p->X); - fe_mul(r->Z, r->X, q->YplusX); - fe_mul(r->Y, r->Y, q->YminusX); - fe_mul(r->T, q->T2d, p->T); - fe_mul(r->X, p->Z, q->Z); - fe_add(t0, r->X, r->X); - fe_sub(r->X, r->Z, r->Y); - fe_add(r->Y, r->Z, r->Y); - fe_add(r->Z, t0, r->T); - fe_sub(r->T, t0, r->T); -} - -/* From ge_double_scalarmult.c, modified */ - -static void slide(signed char* r, const unsigned char* a) { - int i; - int b; - int k; - - for (i = 0; i < 256; ++i) { - r[i] = 1 & (a[i >> 3] >> (i & 7)); - } - - for (i = 0; i < 256; ++i) { - if (r[i]) { - for (b = 1; b <= 6 && i + b < 256; ++b) { - if (r[i + b]) { - if (r[i] + (r[i + b] << b) <= 15) { - r[i] += r[i + b] << b; - r[i + b] = 0; - } else if (r[i] - (r[i + b] << b) >= -15) { - r[i] -= r[i + b] << b; - for (k = i + b; k < 256; ++k) { - if (!r[k]) { - r[k] = 1; - break; - } - r[k] = 0; - } - } else - break; - } - } - } - } -} - -void ge_dsm_precomp(ge_dsmp r, const ge_p3* s) { - ge_p1p1 t; - ge_p3 s2, u; - ge_p3_to_cached(&r[0], s); - ge_p3_dbl(&t, s); - ge_p1p1_to_p3(&s2, &t); - ge_add(&t, &s2, &r[0]); - ge_p1p1_to_p3(&u, &t); - ge_p3_to_cached(&r[1], &u); - ge_add(&t, &s2, &r[1]); - ge_p1p1_to_p3(&u, &t); - ge_p3_to_cached(&r[2], &u); - ge_add(&t, &s2, &r[2]); - ge_p1p1_to_p3(&u, &t); - ge_p3_to_cached(&r[3], &u); - ge_add(&t, &s2, &r[3]); - ge_p1p1_to_p3(&u, &t); - ge_p3_to_cached(&r[4], &u); - ge_add(&t, &s2, &r[4]); - ge_p1p1_to_p3(&u, &t); - ge_p3_to_cached(&r[5], &u); - ge_add(&t, &s2, &r[5]); - ge_p1p1_to_p3(&u, &t); - ge_p3_to_cached(&r[6], &u); - ge_add(&t, &s2, &r[6]); - ge_p1p1_to_p3(&u, &t); - ge_p3_to_cached(&r[7], &u); -} - -/* -r = a * A + b * B -where a = a[0]+256*a[1]+...+256^31 a[31]. -and b = b[0]+256*b[1]+...+256^31 b[31]. -B is the Ed25519 base point (x,4/5) with x positive. -*/ - -void ge_double_scalarmult_base_vartime( - ge_p2* r, const unsigned char* a, const ge_p3* A, const unsigned char* b) { - signed char aslide[256]; - signed char bslide[256]; - ge_dsmp Ai; /* A, 3A, 5A, 7A, 9A, 11A, 13A, 15A */ - ge_p1p1 t; - ge_p3 u; - int i; - - slide(aslide, a); - slide(bslide, b); - ge_dsm_precomp(Ai, A); - - ge_p2_0(r); - - for (i = 255; i >= 0; --i) { - if (aslide[i] || bslide[i]) - break; - } - - for (; i >= 0; --i) { - ge_p2_dbl(&t, r); - - if (aslide[i] > 0) { - ge_p1p1_to_p3(&u, &t); - ge_add(&t, &u, &Ai[aslide[i] / 2]); - } else if (aslide[i] < 0) { - ge_p1p1_to_p3(&u, &t); - ge_sub(&t, &u, &Ai[(-aslide[i]) / 2]); - } - - if (bslide[i] > 0) { - ge_p1p1_to_p3(&u, &t); - ge_madd(&t, &u, &ge_Bi[bslide[i] / 2]); - } else if (bslide[i] < 0) { - ge_p1p1_to_p3(&u, &t); - ge_msub(&t, &u, &ge_Bi[(-bslide[i]) / 2]); - } - - ge_p1p1_to_p2(r, &t); - } -} - -// Computes aG + bB + cC (G is the fixed basepoint) -void ge_triple_scalarmult_base_vartime( - ge_p2* r, - const unsigned char* a, - const unsigned char* b, - const ge_dsmp Bi, - const unsigned char* c, - const ge_dsmp Ci) { - signed char aslide[256]; - signed char bslide[256]; - signed char cslide[256]; - ge_p1p1 t; - ge_p3 u; - int i; - - slide(aslide, a); - slide(bslide, b); - slide(cslide, c); - - ge_p2_0(r); - - for (i = 255; i >= 0; --i) { - if (aslide[i] || bslide[i] || cslide[i]) - break; - } - - for (; i >= 0; --i) { - ge_p2_dbl(&t, r); - - if (aslide[i] > 0) { - ge_p1p1_to_p3(&u, &t); - ge_madd(&t, &u, &ge_Bi[aslide[i] / 2]); - } else if (aslide[i] < 0) { - ge_p1p1_to_p3(&u, &t); - ge_msub(&t, &u, &ge_Bi[(-aslide[i]) / 2]); - } - - if (bslide[i] > 0) { - ge_p1p1_to_p3(&u, &t); - ge_add(&t, &u, &Bi[bslide[i] / 2]); - } else if (bslide[i] < 0) { - ge_p1p1_to_p3(&u, &t); - ge_sub(&t, &u, &Bi[(-bslide[i]) / 2]); - } - - if (cslide[i] > 0) { - ge_p1p1_to_p3(&u, &t); - ge_add(&t, &u, &Ci[cslide[i] / 2]); - } else if (cslide[i] < 0) { - ge_p1p1_to_p3(&u, &t); - ge_sub(&t, &u, &Ci[(-cslide[i]) / 2]); - } - - ge_p1p1_to_p2(r, &t); - } -} - -void ge_double_scalarmult_base_vartime_p3( - ge_p3* r3, const unsigned char* a, const ge_p3* A, const unsigned char* b) { - signed char aslide[256]; - signed char bslide[256]; - ge_dsmp Ai; /* A, 3A, 5A, 7A, 9A, 11A, 13A, 15A */ - ge_p1p1 t; - ge_p3 u; - ge_p2 r; - int i; - - slide(aslide, a); - slide(bslide, b); - ge_dsm_precomp(Ai, A); - - ge_p2_0(&r); - - for (i = 255; i >= 0; --i) { - if (aslide[i] || bslide[i]) - break; - } - - for (; i >= 0; --i) { - ge_p2_dbl(&t, &r); - - if (aslide[i] > 0) { - ge_p1p1_to_p3(&u, &t); - ge_add(&t, &u, &Ai[aslide[i] / 2]); - } else if (aslide[i] < 0) { - ge_p1p1_to_p3(&u, &t); - ge_sub(&t, &u, &Ai[(-aslide[i]) / 2]); - } - - if (bslide[i] > 0) { - ge_p1p1_to_p3(&u, &t); - ge_madd(&t, &u, &ge_Bi[bslide[i] / 2]); - } else if (bslide[i] < 0) { - ge_p1p1_to_p3(&u, &t); - ge_msub(&t, &u, &ge_Bi[(-bslide[i]) / 2]); - } - - if (i == 0) - ge_p1p1_to_p3(r3, &t); - else - ge_p1p1_to_p2(&r, &t); - } -} - -/* From ge_frombytes.c, modified */ - -int ge_frombytes_vartime(ge_p3* h, const unsigned char* s) { - fe u; - fe v; - fe vxx; - fe check; - - /* From fe_frombytes.c */ - - int64_t h0 = load_4(s); - int64_t h1 = load_3(s + 4) << 6; - int64_t h2 = load_3(s + 7) << 5; - int64_t h3 = load_3(s + 10) << 3; - int64_t h4 = load_3(s + 13) << 2; - int64_t h5 = load_4(s + 16); - int64_t h6 = load_3(s + 20) << 7; - int64_t h7 = load_3(s + 23) << 5; - int64_t h8 = load_3(s + 26) << 4; - int64_t h9 = (load_3(s + 29) & 8388607) << 2; - int64_t carry0; - int64_t carry1; - int64_t carry2; - int64_t carry3; - int64_t carry4; - int64_t carry5; - int64_t carry6; - int64_t carry7; - int64_t carry8; - int64_t carry9; - - /* Validate the number to be canonical */ - if (h9 == 33554428 && h8 == 268435440 && h7 == 536870880 && h6 == 2147483520 && - h5 == 4294967295 && h4 == 67108860 && h3 == 134217720 && h2 == 536870880 && - h1 == 1073741760 && h0 >= 4294967277) { - return -1; - } - - carry9 = (h9 + (int64_t)(1 << 24)) >> 25; - h0 += carry9 * 19; - h9 -= carry9 << 25; - carry1 = (h1 + (int64_t)(1 << 24)) >> 25; - h2 += carry1; - h1 -= carry1 << 25; - carry3 = (h3 + (int64_t)(1 << 24)) >> 25; - h4 += carry3; - h3 -= carry3 << 25; - carry5 = (h5 + (int64_t)(1 << 24)) >> 25; - h6 += carry5; - h5 -= carry5 << 25; - carry7 = (h7 + (int64_t)(1 << 24)) >> 25; - h8 += carry7; - h7 -= carry7 << 25; - - carry0 = (h0 + (int64_t)(1 << 25)) >> 26; - h1 += carry0; - h0 -= carry0 << 26; - carry2 = (h2 + (int64_t)(1 << 25)) >> 26; - h3 += carry2; - h2 -= carry2 << 26; - carry4 = (h4 + (int64_t)(1 << 25)) >> 26; - h5 += carry4; - h4 -= carry4 << 26; - carry6 = (h6 + (int64_t)(1 << 25)) >> 26; - h7 += carry6; - h6 -= carry6 << 26; - carry8 = (h8 + (int64_t)(1 << 25)) >> 26; - h9 += carry8; - h8 -= carry8 << 26; - - h->Y[0] = h0; - h->Y[1] = h1; - h->Y[2] = h2; - h->Y[3] = h3; - h->Y[4] = h4; - h->Y[5] = h5; - h->Y[6] = h6; - h->Y[7] = h7; - h->Y[8] = h8; - h->Y[9] = h9; - - /* End fe_frombytes.c */ - - fe_1(h->Z); - fe_sq(u, h->Y); - fe_mul(v, u, fe_d); - fe_sub(u, u, h->Z); /* u = y^2-1 */ - fe_add(v, v, h->Z); /* v = dy^2+1 */ - - fe_divpowm1(h->X, u, v); /* x = uv^3(uv^7)^((q-5)/8) */ - - fe_sq(vxx, h->X); - fe_mul(vxx, vxx, v); - fe_sub(check, vxx, u); /* vx^2-u */ - if (fe_isnonzero(check)) { - fe_add(check, vxx, u); /* vx^2+u */ - if (fe_isnonzero(check)) { - return -1; - } - fe_mul(h->X, h->X, fe_sqrtm1); - } - - if (fe_isnegative(h->X) != (s[31] >> 7)) { - /* If x = 0, the sign must be positive */ - if (!fe_isnonzero(h->X)) { - return -1; - } - fe_neg(h->X, h->X); - } - - fe_mul(h->T, h->X, h->Y); - return 0; -} - -/* From ge_madd.c */ - -/* -r = p + q -*/ - -static void ge_madd(ge_p1p1* r, const ge_p3* p, const ge_precomp* q) { - fe t0; - fe_add(r->X, p->Y, p->X); - fe_sub(r->Y, p->Y, p->X); - fe_mul(r->Z, r->X, q->yplusx); - fe_mul(r->Y, r->Y, q->yminusx); - fe_mul(r->T, q->xy2d, p->T); - fe_add(t0, p->Z, p->Z); - fe_sub(r->X, r->Z, r->Y); - fe_add(r->Y, r->Z, r->Y); - fe_add(r->Z, t0, r->T); - fe_sub(r->T, t0, r->T); -} - -/* From ge_msub.c */ - -/* -r = p - q -*/ - -static void ge_msub(ge_p1p1* r, const ge_p3* p, const ge_precomp* q) { - fe t0; - fe_add(r->X, p->Y, p->X); - fe_sub(r->Y, p->Y, p->X); - fe_mul(r->Z, r->X, q->yminusx); - fe_mul(r->Y, r->Y, q->yplusx); - fe_mul(r->T, q->xy2d, p->T); - fe_add(t0, p->Z, p->Z); - fe_sub(r->X, r->Z, r->Y); - fe_add(r->Y, r->Z, r->Y); - fe_sub(r->Z, t0, r->T); - fe_add(r->T, t0, r->T); -} - -/* From ge_p1p1_to_p2.c */ - -/* -r = p -*/ - -void ge_p1p1_to_p2(ge_p2* r, const ge_p1p1* p) { - fe_mul(r->X, p->X, p->T); - fe_mul(r->Y, p->Y, p->Z); - fe_mul(r->Z, p->Z, p->T); -} - -/* From ge_p1p1_to_p3.c */ - -/* -r = p -*/ - -void ge_p1p1_to_p3(ge_p3* r, const ge_p1p1* p) { - fe_mul(r->X, p->X, p->T); - fe_mul(r->Y, p->Y, p->Z); - fe_mul(r->Z, p->Z, p->T); - fe_mul(r->T, p->X, p->Y); -} - -/* From ge_p2_0.c */ - -static void ge_p2_0(ge_p2* h) { - fe_0(h->X); - fe_1(h->Y); - fe_1(h->Z); -} - -/* From ge_p2_dbl.c */ - -/* -r = 2 * p -*/ - -void ge_p2_dbl(ge_p1p1* r, const ge_p2* p) { - fe t0; - fe_sq(r->X, p->X); - fe_sq(r->Z, p->Y); - fe_sq2(r->T, p->Z); - fe_add(r->Y, p->X, p->Y); - fe_sq(t0, r->Y); - fe_add(r->Y, r->Z, r->X); - fe_sub(r->Z, r->Z, r->X); - fe_sub(r->X, t0, r->Y); - fe_sub(r->T, r->T, r->Z); -} - -/* From ge_p3_0.c */ - -static void ge_p3_0(ge_p3* h) { - fe_0(h->X); - fe_1(h->Y); - fe_1(h->Z); - fe_0(h->T); -} - -/* From ge_p3_dbl.c */ - -/* -r = 2 * p -*/ - -static void ge_p3_dbl(ge_p1p1* r, const ge_p3* p) { - ge_p2 q; - ge_p3_to_p2(&q, p); - ge_p2_dbl(r, &q); -} - -/* From ge_p3_to_cached.c */ - -/* -r = p -*/ - -void ge_p3_to_cached(ge_cached* r, const ge_p3* p) { - fe_add(r->YplusX, p->Y, p->X); - fe_sub(r->YminusX, p->Y, p->X); - fe_copy(r->Z, p->Z); - fe_mul(r->T2d, p->T, fe_d2); -} - -/* From ge_p3_to_p2.c */ - -/* -r = p -*/ - -void ge_p3_to_p2(ge_p2* r, const ge_p3* p) { - fe_copy(r->X, p->X); - fe_copy(r->Y, p->Y); - fe_copy(r->Z, p->Z); -} - -/* From ge_p3_tobytes.c */ - -void ge_p3_tobytes(unsigned char* s, const ge_p3* h) { - fe recip; - fe x; - fe y; - - fe_invert(recip, h->Z); - fe_mul(x, h->X, recip); - fe_mul(y, h->Y, recip); - fe_tobytes(s, y); - s[31] ^= fe_isnegative(x) << 7; -} - -/* From ge_precomp_0.c */ - -static void ge_precomp_0(ge_precomp* h) { - fe_1(h->yplusx); - fe_1(h->yminusx); - fe_0(h->xy2d); -} - -/* From ge_scalarmult_base.c */ - -static unsigned char equal(signed char b, signed char c) { - unsigned char ub = b; - unsigned char uc = c; - unsigned char x = ub ^ uc; /* 0: yes; 1..255: no */ - uint32_t y = x; /* 0: yes; 1..255: no */ - y -= 1; /* 4294967295: yes; 0..254: no */ - y >>= 31; /* 1: yes; 0: no */ - return y; -} - -static unsigned char negative(signed char b) { - unsigned long long x = b; /* 18446744073709551361..18446744073709551615: yes; 0..255: no */ - x >>= 63; /* 1: yes; 0: no */ - return x; -} - -static void ge_precomp_cmov(ge_precomp* t, const ge_precomp* u, unsigned char b) { - fe_cmov(t->yplusx, u->yplusx, b); - fe_cmov(t->yminusx, u->yminusx, b); - fe_cmov(t->xy2d, u->xy2d, b); -} - -static void select(ge_precomp* t, int pos, signed char b) { - ge_precomp minust; - unsigned char bnegative = negative(b); - unsigned char babs = b - (((-bnegative) & b) << 1); - - ge_precomp_0(t); - ge_precomp_cmov(t, &ge_base[pos][0], equal(babs, 1)); - ge_precomp_cmov(t, &ge_base[pos][1], equal(babs, 2)); - ge_precomp_cmov(t, &ge_base[pos][2], equal(babs, 3)); - ge_precomp_cmov(t, &ge_base[pos][3], equal(babs, 4)); - ge_precomp_cmov(t, &ge_base[pos][4], equal(babs, 5)); - ge_precomp_cmov(t, &ge_base[pos][5], equal(babs, 6)); - ge_precomp_cmov(t, &ge_base[pos][6], equal(babs, 7)); - ge_precomp_cmov(t, &ge_base[pos][7], equal(babs, 8)); - fe_copy(minust.yplusx, t->yminusx); - fe_copy(minust.yminusx, t->yplusx); - fe_neg(minust.xy2d, t->xy2d); - ge_precomp_cmov(t, &minust, bnegative); -} - -/* -h = a * B -where a = a[0]+256*a[1]+...+256^31 a[31] -B is the Ed25519 base point (x,4/5) with x positive. - -Preconditions: - a[31] <= 127 -*/ - -void ge_scalarmult_base(ge_p3* h, const unsigned char* a) { - signed char e[64]; - signed char carry; - ge_p1p1 r; - ge_p2 s; - ge_precomp t; - int i; - - for (i = 0; i < 32; ++i) { - e[2 * i + 0] = (a[i] >> 0) & 15; - e[2 * i + 1] = (a[i] >> 4) & 15; - } - /* each e[i] is between 0 and 15 */ - /* e[63] is between 0 and 7 */ - - carry = 0; - for (i = 0; i < 63; ++i) { - e[i] += carry; - carry = e[i] + 8; - carry >>= 4; - e[i] -= carry << 4; - } - e[63] += carry; - /* each e[i] is between -8 and 8 */ - - ge_p3_0(h); - for (i = 1; i < 64; i += 2) { - select(&t, i / 2, e[i]); - ge_madd(&r, h, &t); - ge_p1p1_to_p3(h, &r); - } - - ge_p3_dbl(&r, h); - ge_p1p1_to_p2(&s, &r); - ge_p2_dbl(&r, &s); - ge_p1p1_to_p2(&s, &r); - ge_p2_dbl(&r, &s); - ge_p1p1_to_p2(&s, &r); - ge_p2_dbl(&r, &s); - ge_p1p1_to_p3(h, &r); - - for (i = 0; i < 64; i += 2) { - select(&t, i / 2, e[i]); - ge_madd(&r, h, &t); - ge_p1p1_to_p3(h, &r); - } -} - -/* From ge_sub.c */ - -/* -r = p - q -*/ - -void ge_sub(ge_p1p1* r, const ge_p3* p, const ge_cached* q) { - fe t0; - fe_add(r->X, p->Y, p->X); - fe_sub(r->Y, p->Y, p->X); - fe_mul(r->Z, r->X, q->YminusX); - fe_mul(r->Y, r->Y, q->YplusX); - fe_mul(r->T, q->T2d, p->T); - fe_mul(r->X, p->Z, q->Z); - fe_add(t0, r->X, r->X); - fe_sub(r->X, r->Z, r->Y); - fe_add(r->Y, r->Z, r->Y); - fe_sub(r->Z, t0, r->T); - fe_add(r->T, t0, r->T); -} - -/* From ge_tobytes.c */ - -void ge_tobytes(unsigned char* s, const ge_p2* h) { - fe recip; - fe x; - fe y; - - fe_invert(recip, h->Z); - fe_mul(x, h->X, recip); - fe_mul(y, h->Y, recip); - fe_tobytes(s, y); - s[31] ^= fe_isnegative(x) << 7; -} - -/* From sc_reduce.c */ - -/* -Input: - s[0]+256*s[1]+...+256^63*s[63] = s - -Output: - s[0]+256*s[1]+...+256^31*s[31] = s mod l - where l = 2^252 + 27742317777372353535851937790883648493. - Overwrites s in place. -*/ - -void sc_reduce(unsigned char* s) { - int64_t s0 = 2097151 & load_3(s); - int64_t s1 = 2097151 & (load_4(s + 2) >> 5); - int64_t s2 = 2097151 & (load_3(s + 5) >> 2); - int64_t s3 = 2097151 & (load_4(s + 7) >> 7); - int64_t s4 = 2097151 & (load_4(s + 10) >> 4); - int64_t s5 = 2097151 & (load_3(s + 13) >> 1); - int64_t s6 = 2097151 & (load_4(s + 15) >> 6); - int64_t s7 = 2097151 & (load_3(s + 18) >> 3); - int64_t s8 = 2097151 & load_3(s + 21); - int64_t s9 = 2097151 & (load_4(s + 23) >> 5); - int64_t s10 = 2097151 & (load_3(s + 26) >> 2); - int64_t s11 = 2097151 & (load_4(s + 28) >> 7); - int64_t s12 = 2097151 & (load_4(s + 31) >> 4); - int64_t s13 = 2097151 & (load_3(s + 34) >> 1); - int64_t s14 = 2097151 & (load_4(s + 36) >> 6); - int64_t s15 = 2097151 & (load_3(s + 39) >> 3); - int64_t s16 = 2097151 & load_3(s + 42); - int64_t s17 = 2097151 & (load_4(s + 44) >> 5); - int64_t s18 = 2097151 & (load_3(s + 47) >> 2); - int64_t s19 = 2097151 & (load_4(s + 49) >> 7); - int64_t s20 = 2097151 & (load_4(s + 52) >> 4); - int64_t s21 = 2097151 & (load_3(s + 55) >> 1); - int64_t s22 = 2097151 & (load_4(s + 57) >> 6); - int64_t s23 = (load_4(s + 60) >> 3); - int64_t carry0; - int64_t carry1; - int64_t carry2; - int64_t carry3; - int64_t carry4; - int64_t carry5; - int64_t carry6; - int64_t carry7; - int64_t carry8; - int64_t carry9; - int64_t carry10; - int64_t carry11; - int64_t carry12; - int64_t carry13; - int64_t carry14; - int64_t carry15; - int64_t carry16; - - s11 += s23 * 666643; - s12 += s23 * 470296; - s13 += s23 * 654183; - s14 -= s23 * 997805; - s15 += s23 * 136657; - s16 -= s23 * 683901; - - s10 += s22 * 666643; - s11 += s22 * 470296; - s12 += s22 * 654183; - s13 -= s22 * 997805; - s14 += s22 * 136657; - s15 -= s22 * 683901; - - s9 += s21 * 666643; - s10 += s21 * 470296; - s11 += s21 * 654183; - s12 -= s21 * 997805; - s13 += s21 * 136657; - s14 -= s21 * 683901; - - s8 += s20 * 666643; - s9 += s20 * 470296; - s10 += s20 * 654183; - s11 -= s20 * 997805; - s12 += s20 * 136657; - s13 -= s20 * 683901; - - s7 += s19 * 666643; - s8 += s19 * 470296; - s9 += s19 * 654183; - s10 -= s19 * 997805; - s11 += s19 * 136657; - s12 -= s19 * 683901; - - s6 += s18 * 666643; - s7 += s18 * 470296; - s8 += s18 * 654183; - s9 -= s18 * 997805; - s10 += s18 * 136657; - s11 -= s18 * 683901; - - carry6 = (s6 + (1 << 20)) >> 21; - s7 += carry6; - s6 -= carry6 << 21; - carry8 = (s8 + (1 << 20)) >> 21; - s9 += carry8; - s8 -= carry8 << 21; - carry10 = (s10 + (1 << 20)) >> 21; - s11 += carry10; - s10 -= carry10 << 21; - carry12 = (s12 + (1 << 20)) >> 21; - s13 += carry12; - s12 -= carry12 << 21; - carry14 = (s14 + (1 << 20)) >> 21; - s15 += carry14; - s14 -= carry14 << 21; - carry16 = (s16 + (1 << 20)) >> 21; - s17 += carry16; - s16 -= carry16 << 21; - - carry7 = (s7 + (1 << 20)) >> 21; - s8 += carry7; - s7 -= carry7 << 21; - carry9 = (s9 + (1 << 20)) >> 21; - s10 += carry9; - s9 -= carry9 << 21; - carry11 = (s11 + (1 << 20)) >> 21; - s12 += carry11; - s11 -= carry11 << 21; - carry13 = (s13 + (1 << 20)) >> 21; - s14 += carry13; - s13 -= carry13 << 21; - carry15 = (s15 + (1 << 20)) >> 21; - s16 += carry15; - s15 -= carry15 << 21; - - s5 += s17 * 666643; - s6 += s17 * 470296; - s7 += s17 * 654183; - s8 -= s17 * 997805; - s9 += s17 * 136657; - s10 -= s17 * 683901; - - s4 += s16 * 666643; - s5 += s16 * 470296; - s6 += s16 * 654183; - s7 -= s16 * 997805; - s8 += s16 * 136657; - s9 -= s16 * 683901; - - s3 += s15 * 666643; - s4 += s15 * 470296; - s5 += s15 * 654183; - s6 -= s15 * 997805; - s7 += s15 * 136657; - s8 -= s15 * 683901; - - s2 += s14 * 666643; - s3 += s14 * 470296; - s4 += s14 * 654183; - s5 -= s14 * 997805; - s6 += s14 * 136657; - s7 -= s14 * 683901; - - s1 += s13 * 666643; - s2 += s13 * 470296; - s3 += s13 * 654183; - s4 -= s13 * 997805; - s5 += s13 * 136657; - s6 -= s13 * 683901; - - s0 += s12 * 666643; - s1 += s12 * 470296; - s2 += s12 * 654183; - s3 -= s12 * 997805; - s4 += s12 * 136657; - s5 -= s12 * 683901; - s12 = 0; - - carry0 = (s0 + (1 << 20)) >> 21; - s1 += carry0; - s0 -= carry0 << 21; - carry2 = (s2 + (1 << 20)) >> 21; - s3 += carry2; - s2 -= carry2 << 21; - carry4 = (s4 + (1 << 20)) >> 21; - s5 += carry4; - s4 -= carry4 << 21; - carry6 = (s6 + (1 << 20)) >> 21; - s7 += carry6; - s6 -= carry6 << 21; - carry8 = (s8 + (1 << 20)) >> 21; - s9 += carry8; - s8 -= carry8 << 21; - carry10 = (s10 + (1 << 20)) >> 21; - s11 += carry10; - s10 -= carry10 << 21; - - carry1 = (s1 + (1 << 20)) >> 21; - s2 += carry1; - s1 -= carry1 << 21; - carry3 = (s3 + (1 << 20)) >> 21; - s4 += carry3; - s3 -= carry3 << 21; - carry5 = (s5 + (1 << 20)) >> 21; - s6 += carry5; - s5 -= carry5 << 21; - carry7 = (s7 + (1 << 20)) >> 21; - s8 += carry7; - s7 -= carry7 << 21; - carry9 = (s9 + (1 << 20)) >> 21; - s10 += carry9; - s9 -= carry9 << 21; - carry11 = (s11 + (1 << 20)) >> 21; - s12 += carry11; - s11 -= carry11 << 21; - - s0 += s12 * 666643; - s1 += s12 * 470296; - s2 += s12 * 654183; - s3 -= s12 * 997805; - s4 += s12 * 136657; - s5 -= s12 * 683901; - s12 = 0; - - carry0 = s0 >> 21; - s1 += carry0; - s0 -= carry0 << 21; - carry1 = s1 >> 21; - s2 += carry1; - s1 -= carry1 << 21; - carry2 = s2 >> 21; - s3 += carry2; - s2 -= carry2 << 21; - carry3 = s3 >> 21; - s4 += carry3; - s3 -= carry3 << 21; - carry4 = s4 >> 21; - s5 += carry4; - s4 -= carry4 << 21; - carry5 = s5 >> 21; - s6 += carry5; - s5 -= carry5 << 21; - carry6 = s6 >> 21; - s7 += carry6; - s6 -= carry6 << 21; - carry7 = s7 >> 21; - s8 += carry7; - s7 -= carry7 << 21; - carry8 = s8 >> 21; - s9 += carry8; - s8 -= carry8 << 21; - carry9 = s9 >> 21; - s10 += carry9; - s9 -= carry9 << 21; - carry10 = s10 >> 21; - s11 += carry10; - s10 -= carry10 << 21; - carry11 = s11 >> 21; - s12 += carry11; - s11 -= carry11 << 21; - - s0 += s12 * 666643; - s1 += s12 * 470296; - s2 += s12 * 654183; - s3 -= s12 * 997805; - s4 += s12 * 136657; - s5 -= s12 * 683901; - - carry0 = s0 >> 21; - s1 += carry0; - s0 -= carry0 << 21; - carry1 = s1 >> 21; - s2 += carry1; - s1 -= carry1 << 21; - carry2 = s2 >> 21; - s3 += carry2; - s2 -= carry2 << 21; - carry3 = s3 >> 21; - s4 += carry3; - s3 -= carry3 << 21; - carry4 = s4 >> 21; - s5 += carry4; - s4 -= carry4 << 21; - carry5 = s5 >> 21; - s6 += carry5; - s5 -= carry5 << 21; - carry6 = s6 >> 21; - s7 += carry6; - s6 -= carry6 << 21; - carry7 = s7 >> 21; - s8 += carry7; - s7 -= carry7 << 21; - carry8 = s8 >> 21; - s9 += carry8; - s8 -= carry8 << 21; - carry9 = s9 >> 21; - s10 += carry9; - s9 -= carry9 << 21; - carry10 = s10 >> 21; - s11 += carry10; - s10 -= carry10 << 21; - - s[0] = s0 >> 0; - s[1] = s0 >> 8; - s[2] = (s0 >> 16) | (s1 << 5); - s[3] = s1 >> 3; - s[4] = s1 >> 11; - s[5] = (s1 >> 19) | (s2 << 2); - s[6] = s2 >> 6; - s[7] = (s2 >> 14) | (s3 << 7); - s[8] = s3 >> 1; - s[9] = s3 >> 9; - s[10] = (s3 >> 17) | (s4 << 4); - s[11] = s4 >> 4; - s[12] = s4 >> 12; - s[13] = (s4 >> 20) | (s5 << 1); - s[14] = s5 >> 7; - s[15] = (s5 >> 15) | (s6 << 6); - s[16] = s6 >> 2; - s[17] = s6 >> 10; - s[18] = (s6 >> 18) | (s7 << 3); - s[19] = s7 >> 5; - s[20] = s7 >> 13; - s[21] = s8 >> 0; - s[22] = s8 >> 8; - s[23] = (s8 >> 16) | (s9 << 5); - s[24] = s9 >> 3; - s[25] = s9 >> 11; - s[26] = (s9 >> 19) | (s10 << 2); - s[27] = s10 >> 6; - s[28] = (s10 >> 14) | (s11 << 7); - s[29] = s11 >> 1; - s[30] = s11 >> 9; - s[31] = s11 >> 17; -} - -/* New code */ - -static void fe_divpowm1(fe r, const fe u, const fe v) { - fe v3, uv7, t0, t1, t2; - int i; - - fe_sq(v3, v); - fe_mul(v3, v3, v); /* v3 = v^3 */ - fe_sq(uv7, v3); - fe_mul(uv7, uv7, v); - fe_mul(uv7, uv7, u); /* uv7 = uv^7 */ - - /*fe_pow22523(uv7, uv7);*/ - - /* From fe_pow22523.c */ - - fe_sq(t0, uv7); - fe_sq(t1, t0); - fe_sq(t1, t1); - fe_mul(t1, uv7, t1); - fe_mul(t0, t0, t1); - fe_sq(t0, t0); - fe_mul(t0, t1, t0); - fe_sq(t1, t0); - for (i = 0; i < 4; ++i) { - fe_sq(t1, t1); - } - fe_mul(t0, t1, t0); - fe_sq(t1, t0); - for (i = 0; i < 9; ++i) { - fe_sq(t1, t1); - } - fe_mul(t1, t1, t0); - fe_sq(t2, t1); - for (i = 0; i < 19; ++i) { - fe_sq(t2, t2); - } - fe_mul(t1, t2, t1); - for (i = 0; i < 10; ++i) { - fe_sq(t1, t1); - } - fe_mul(t0, t1, t0); - fe_sq(t1, t0); - for (i = 0; i < 49; ++i) { - fe_sq(t1, t1); - } - fe_mul(t1, t1, t0); - fe_sq(t2, t1); - for (i = 0; i < 99; ++i) { - fe_sq(t2, t2); - } - fe_mul(t1, t2, t1); - for (i = 0; i < 50; ++i) { - fe_sq(t1, t1); - } - fe_mul(t0, t1, t0); - fe_sq(t0, t0); - fe_sq(t0, t0); - fe_mul(t0, t0, uv7); - - /* End fe_pow22523.c */ - /* t0 = (uv^7)^((q-5)/8) */ - fe_mul(t0, t0, v3); - fe_mul(r, t0, u); /* u^(m+1)v^(-(m+1)) */ -} - -static void ge_cached_0(ge_cached* r) { - fe_1(r->YplusX); - fe_1(r->YminusX); - fe_1(r->Z); - fe_0(r->T2d); -} - -static void ge_cached_cmov(ge_cached* t, const ge_cached* u, unsigned char b) { - fe_cmov(t->YplusX, u->YplusX, b); - fe_cmov(t->YminusX, u->YminusX, b); - fe_cmov(t->Z, u->Z, b); - fe_cmov(t->T2d, u->T2d, b); -} - -/* Assumes that a[31] <= 127 */ -void ge_scalarmult(ge_p2* r, const unsigned char* a, const ge_p3* A) { - signed char e[64]; - int carry, carry2, i; - ge_cached Ai[8]; /* 1 * A, 2 * A, ..., 8 * A */ - ge_p1p1 t; - ge_p3 u; - - carry = 0; /* 0..1 */ - for (i = 0; i < 31; i++) { - carry += a[i]; /* 0..256 */ - carry2 = (carry + 8) >> 4; /* 0..16 */ - e[2 * i] = carry - (carry2 << 4); /* -8..7 */ - carry = (carry2 + 8) >> 4; /* 0..1 */ - e[2 * i + 1] = carry2 - (carry << 4); /* -8..7 */ - } - carry += a[31]; /* 0..128 */ - carry2 = (carry + 8) >> 4; /* 0..8 */ - e[62] = carry - (carry2 << 4); /* -8..7 */ - e[63] = carry2; /* 0..8 */ - - ge_p3_to_cached(&Ai[0], A); - for (i = 0; i < 7; i++) { - ge_add(&t, A, &Ai[i]); - ge_p1p1_to_p3(&u, &t); - ge_p3_to_cached(&Ai[i + 1], &u); - } - - ge_p2_0(r); - for (i = 63; i >= 0; i--) { - signed char b = e[i]; - unsigned char bnegative = negative(b); - unsigned char babs = b - (((-bnegative) & b) << 1); - ge_cached cur, minuscur; - ge_p2_dbl(&t, r); - ge_p1p1_to_p2(r, &t); - ge_p2_dbl(&t, r); - ge_p1p1_to_p2(r, &t); - ge_p2_dbl(&t, r); - ge_p1p1_to_p2(r, &t); - ge_p2_dbl(&t, r); - ge_p1p1_to_p3(&u, &t); - ge_cached_0(&cur); - ge_cached_cmov(&cur, &Ai[0], equal(babs, 1)); - ge_cached_cmov(&cur, &Ai[1], equal(babs, 2)); - ge_cached_cmov(&cur, &Ai[2], equal(babs, 3)); - ge_cached_cmov(&cur, &Ai[3], equal(babs, 4)); - ge_cached_cmov(&cur, &Ai[4], equal(babs, 5)); - ge_cached_cmov(&cur, &Ai[5], equal(babs, 6)); - ge_cached_cmov(&cur, &Ai[6], equal(babs, 7)); - ge_cached_cmov(&cur, &Ai[7], equal(babs, 8)); - fe_copy(minuscur.YplusX, cur.YminusX); - fe_copy(minuscur.YminusX, cur.YplusX); - fe_copy(minuscur.Z, cur.Z); - fe_neg(minuscur.T2d, cur.T2d); - ge_cached_cmov(&cur, &minuscur, bnegative); - ge_add(&t, &u, &cur); - ge_p1p1_to_p2(r, &t); - } -} - -void ge_scalarmult_p3(ge_p3* r3, const unsigned char* a, const ge_p3* A) { - signed char e[64]; - int carry, carry2, i; - ge_cached Ai[8]; /* 1 * A, 2 * A, ..., 8 * A */ - ge_p1p1 t; - ge_p3 u; - ge_p2 r; - - carry = 0; /* 0..1 */ - for (i = 0; i < 31; i++) { - carry += a[i]; /* 0..256 */ - carry2 = (carry + 8) >> 4; /* 0..16 */ - e[2 * i] = carry - (carry2 << 4); /* -8..7 */ - carry = (carry2 + 8) >> 4; /* 0..1 */ - e[2 * i + 1] = carry2 - (carry << 4); /* -8..7 */ - } - carry += a[31]; /* 0..128 */ - carry2 = (carry + 8) >> 4; /* 0..8 */ - e[62] = carry - (carry2 << 4); /* -8..7 */ - e[63] = carry2; /* 0..8 */ - - ge_p3_to_cached(&Ai[0], A); - for (i = 0; i < 7; i++) { - ge_add(&t, A, &Ai[i]); - ge_p1p1_to_p3(&u, &t); - ge_p3_to_cached(&Ai[i + 1], &u); - } - - ge_p2_0(&r); - for (i = 63; i >= 0; i--) { - signed char b = e[i]; - unsigned char bnegative = negative(b); - unsigned char babs = b - (((-bnegative) & b) << 1); - ge_cached cur, minuscur; - ge_p2_dbl(&t, &r); - ge_p1p1_to_p2(&r, &t); - ge_p2_dbl(&t, &r); - ge_p1p1_to_p2(&r, &t); - ge_p2_dbl(&t, &r); - ge_p1p1_to_p2(&r, &t); - ge_p2_dbl(&t, &r); - ge_p1p1_to_p3(&u, &t); - ge_cached_0(&cur); - ge_cached_cmov(&cur, &Ai[0], equal(babs, 1)); - ge_cached_cmov(&cur, &Ai[1], equal(babs, 2)); - ge_cached_cmov(&cur, &Ai[2], equal(babs, 3)); - ge_cached_cmov(&cur, &Ai[3], equal(babs, 4)); - ge_cached_cmov(&cur, &Ai[4], equal(babs, 5)); - ge_cached_cmov(&cur, &Ai[5], equal(babs, 6)); - ge_cached_cmov(&cur, &Ai[6], equal(babs, 7)); - ge_cached_cmov(&cur, &Ai[7], equal(babs, 8)); - fe_copy(minuscur.YplusX, cur.YminusX); - fe_copy(minuscur.YminusX, cur.YplusX); - fe_copy(minuscur.Z, cur.Z); - fe_neg(minuscur.T2d, cur.T2d); - ge_cached_cmov(&cur, &minuscur, bnegative); - ge_add(&t, &u, &cur); - if (i == 0) - ge_p1p1_to_p3(r3, &t); - else - ge_p1p1_to_p2(&r, &t); - } -} - -void ge_double_scalarmult_precomp_vartime2( - ge_p2* r, - const unsigned char* a, - const ge_dsmp Ai, - const unsigned char* b, - const ge_dsmp Bi) { - signed char aslide[256]; - signed char bslide[256]; - ge_p1p1 t; - ge_p3 u; - int i; - - slide(aslide, a); - slide(bslide, b); - - ge_p2_0(r); - - for (i = 255; i >= 0; --i) { - if (aslide[i] || bslide[i]) - break; - } - - for (; i >= 0; --i) { - ge_p2_dbl(&t, r); - - if (aslide[i] > 0) { - ge_p1p1_to_p3(&u, &t); - ge_add(&t, &u, &Ai[aslide[i] / 2]); - } else if (aslide[i] < 0) { - ge_p1p1_to_p3(&u, &t); - ge_sub(&t, &u, &Ai[(-aslide[i]) / 2]); - } - - if (bslide[i] > 0) { - ge_p1p1_to_p3(&u, &t); - ge_add(&t, &u, &Bi[bslide[i] / 2]); - } else if (bslide[i] < 0) { - ge_p1p1_to_p3(&u, &t); - ge_sub(&t, &u, &Bi[(-bslide[i]) / 2]); - } - - ge_p1p1_to_p2(r, &t); - } -} - -// Computes aA + bB + cC (all points require precomputation) -void ge_triple_scalarmult_precomp_vartime( - ge_p2* r, - const unsigned char* a, - const ge_dsmp Ai, - const unsigned char* b, - const ge_dsmp Bi, - const unsigned char* c, - const ge_dsmp Ci) { - signed char aslide[256]; - signed char bslide[256]; - signed char cslide[256]; - ge_p1p1 t; - ge_p3 u; - int i; - - slide(aslide, a); - slide(bslide, b); - slide(cslide, c); - - ge_p2_0(r); - - for (i = 255; i >= 0; --i) { - if (aslide[i] || bslide[i] || cslide[i]) - break; - } - - for (; i >= 0; --i) { - ge_p2_dbl(&t, r); - - if (aslide[i] > 0) { - ge_p1p1_to_p3(&u, &t); - ge_add(&t, &u, &Ai[aslide[i] / 2]); - } else if (aslide[i] < 0) { - ge_p1p1_to_p3(&u, &t); - ge_sub(&t, &u, &Ai[(-aslide[i]) / 2]); - } - - if (bslide[i] > 0) { - ge_p1p1_to_p3(&u, &t); - ge_add(&t, &u, &Bi[bslide[i] / 2]); - } else if (bslide[i] < 0) { - ge_p1p1_to_p3(&u, &t); - ge_sub(&t, &u, &Bi[(-bslide[i]) / 2]); - } - - if (cslide[i] > 0) { - ge_p1p1_to_p3(&u, &t); - ge_add(&t, &u, &Ci[cslide[i] / 2]); - } else if (cslide[i] < 0) { - ge_p1p1_to_p3(&u, &t); - ge_sub(&t, &u, &Ci[(-cslide[i]) / 2]); - } - - ge_p1p1_to_p2(r, &t); - } -} - -void ge_double_scalarmult_precomp_vartime2_p3( - ge_p3* r3, - const unsigned char* a, - const ge_dsmp Ai, - const unsigned char* b, - const ge_dsmp Bi) { - signed char aslide[256]; - signed char bslide[256]; - ge_p1p1 t; - ge_p3 u; - ge_p2 r; - int i; - - slide(aslide, a); - slide(bslide, b); - - ge_p2_0(&r); - - for (i = 255; i >= 0; --i) { - if (aslide[i] || bslide[i]) - break; - } - - for (; i >= 0; --i) { - ge_p2_dbl(&t, &r); - - if (aslide[i] > 0) { - ge_p1p1_to_p3(&u, &t); - ge_add(&t, &u, &Ai[aslide[i] / 2]); - } else if (aslide[i] < 0) { - ge_p1p1_to_p3(&u, &t); - ge_sub(&t, &u, &Ai[(-aslide[i]) / 2]); - } - - if (bslide[i] > 0) { - ge_p1p1_to_p3(&u, &t); - ge_add(&t, &u, &Bi[bslide[i] / 2]); - } else if (bslide[i] < 0) { - ge_p1p1_to_p3(&u, &t); - ge_sub(&t, &u, &Bi[(-bslide[i]) / 2]); - } - - if (i == 0) - ge_p1p1_to_p3(r3, &t); - else - ge_p1p1_to_p2(&r, &t); - } -} - -void ge_double_scalarmult_precomp_vartime( - ge_p2* r, - const unsigned char* a, - const ge_p3* A, - const unsigned char* b, - const ge_dsmp Bi) { - ge_dsmp Ai; /* A, 3A, 5A, 7A, 9A, 11A, 13A, 15A */ - - ge_dsm_precomp(Ai, A); - ge_double_scalarmult_precomp_vartime2(r, a, Ai, b, Bi); -} - -void ge_mul8(ge_p1p1* r, const ge_p2* t) { - ge_p2 u; - ge_p2_dbl(r, t); - ge_p1p1_to_p2(&u, r); - ge_p2_dbl(r, &u); - ge_p1p1_to_p2(&u, r); - ge_p2_dbl(r, &u); -} - -void ge_fromfe_frombytes_vartime(ge_p2* r, const unsigned char* s) { - fe u, v, w, x, y, z; - unsigned char sign; - - /* From fe_frombytes.c */ - - int64_t h0 = load_4(s); - int64_t h1 = load_3(s + 4) << 6; - int64_t h2 = load_3(s + 7) << 5; - int64_t h3 = load_3(s + 10) << 3; - int64_t h4 = load_3(s + 13) << 2; - int64_t h5 = load_4(s + 16); - int64_t h6 = load_3(s + 20) << 7; - int64_t h7 = load_3(s + 23) << 5; - int64_t h8 = load_3(s + 26) << 4; - int64_t h9 = load_3(s + 29) << 2; - int64_t carry0; - int64_t carry1; - int64_t carry2; - int64_t carry3; - int64_t carry4; - int64_t carry5; - int64_t carry6; - int64_t carry7; - int64_t carry8; - int64_t carry9; - - carry9 = (h9 + (int64_t)(1 << 24)) >> 25; - h0 += carry9 * 19; - h9 -= carry9 << 25; - carry1 = (h1 + (int64_t)(1 << 24)) >> 25; - h2 += carry1; - h1 -= carry1 << 25; - carry3 = (h3 + (int64_t)(1 << 24)) >> 25; - h4 += carry3; - h3 -= carry3 << 25; - carry5 = (h5 + (int64_t)(1 << 24)) >> 25; - h6 += carry5; - h5 -= carry5 << 25; - carry7 = (h7 + (int64_t)(1 << 24)) >> 25; - h8 += carry7; - h7 -= carry7 << 25; - - carry0 = (h0 + (int64_t)(1 << 25)) >> 26; - h1 += carry0; - h0 -= carry0 << 26; - carry2 = (h2 + (int64_t)(1 << 25)) >> 26; - h3 += carry2; - h2 -= carry2 << 26; - carry4 = (h4 + (int64_t)(1 << 25)) >> 26; - h5 += carry4; - h4 -= carry4 << 26; - carry6 = (h6 + (int64_t)(1 << 25)) >> 26; - h7 += carry6; - h6 -= carry6 << 26; - carry8 = (h8 + (int64_t)(1 << 25)) >> 26; - h9 += carry8; - h8 -= carry8 << 26; - - u[0] = h0; - u[1] = h1; - u[2] = h2; - u[3] = h3; - u[4] = h4; - u[5] = h5; - u[6] = h6; - u[7] = h7; - u[8] = h8; - u[9] = h9; - - /* End fe_frombytes.c */ - - fe_sq2(v, u); /* 2 * u^2 */ - fe_1(w); - fe_add(w, v, w); /* w = 2 * u^2 + 1 */ - fe_sq(x, w); /* w^2 */ - fe_mul(y, fe_ma2, v); /* -2 * A^2 * u^2 */ - fe_add(x, x, y); /* x = w^2 - 2 * A^2 * u^2 */ - fe_divpowm1(r->X, w, x); /* (w / x)^(m + 1) */ - fe_sq(y, r->X); - fe_mul(x, y, x); - fe_sub(y, w, x); - fe_copy(z, fe_ma); - if (fe_isnonzero(y)) { - fe_add(y, w, x); - if (fe_isnonzero(y)) { - goto negative; - } else { - fe_mul(r->X, r->X, fe_fffb1); - } - } else { - fe_mul(r->X, r->X, fe_fffb2); - } - fe_mul(r->X, r->X, u); /* u * sqrt(2 * A * (A + 2) * w / x) */ - fe_mul(z, z, v); /* -2 * A * u^2 */ - sign = 0; - goto setsign; -negative: - fe_mul(x, x, fe_sqrtm1); - fe_sub(y, w, x); - if (fe_isnonzero(y)) { - assert((fe_add(y, w, x), !fe_isnonzero(y))); - fe_mul(r->X, r->X, fe_fffb3); - } else { - fe_mul(r->X, r->X, fe_fffb4); - } - /* r->X = sqrt(A * (A + 2) * w / x) */ - /* z = -A */ - sign = 1; -setsign: - if (fe_isnegative(r->X) != sign) { - assert(fe_isnonzero(r->X)); - fe_neg(r->X, r->X); - } - fe_add(r->Z, z, w); - fe_sub(r->Y, z, w); - fe_mul(r->X, r->X, r->Z); -#if !defined(NDEBUG) - { - fe check_x, check_y, check_iz, check_v; - fe_invert(check_iz, r->Z); - fe_mul(check_x, r->X, check_iz); - fe_mul(check_y, r->Y, check_iz); - fe_sq(check_x, check_x); - fe_sq(check_y, check_y); - fe_mul(check_v, check_x, check_y); - fe_mul(check_v, fe_d, check_v); - fe_add(check_v, check_v, check_x); - fe_sub(check_v, check_v, check_y); - fe_1(check_x); - fe_add(check_v, check_v, check_x); - assert(!fe_isnonzero(check_v)); - } -#endif -} - -void sc_0(unsigned char* s) { - int i; - for (i = 0; i < 32; i++) { - s[i] = 0; - } -} - -void sc_reduce32(unsigned char* s) { - int64_t s0 = 2097151 & load_3(s); - int64_t s1 = 2097151 & (load_4(s + 2) >> 5); - int64_t s2 = 2097151 & (load_3(s + 5) >> 2); - int64_t s3 = 2097151 & (load_4(s + 7) >> 7); - int64_t s4 = 2097151 & (load_4(s + 10) >> 4); - int64_t s5 = 2097151 & (load_3(s + 13) >> 1); - int64_t s6 = 2097151 & (load_4(s + 15) >> 6); - int64_t s7 = 2097151 & (load_3(s + 18) >> 3); - int64_t s8 = 2097151 & load_3(s + 21); - int64_t s9 = 2097151 & (load_4(s + 23) >> 5); - int64_t s10 = 2097151 & (load_3(s + 26) >> 2); - int64_t s11 = (load_4(s + 28) >> 7); - int64_t s12 = 0; - int64_t carry0; - int64_t carry1; - int64_t carry2; - int64_t carry3; - int64_t carry4; - int64_t carry5; - int64_t carry6; - int64_t carry7; - int64_t carry8; - int64_t carry9; - int64_t carry10; - int64_t carry11; - - carry0 = (s0 + (1 << 20)) >> 21; - s1 += carry0; - s0 -= carry0 << 21; - carry2 = (s2 + (1 << 20)) >> 21; - s3 += carry2; - s2 -= carry2 << 21; - carry4 = (s4 + (1 << 20)) >> 21; - s5 += carry4; - s4 -= carry4 << 21; - carry6 = (s6 + (1 << 20)) >> 21; - s7 += carry6; - s6 -= carry6 << 21; - carry8 = (s8 + (1 << 20)) >> 21; - s9 += carry8; - s8 -= carry8 << 21; - carry10 = (s10 + (1 << 20)) >> 21; - s11 += carry10; - s10 -= carry10 << 21; - - carry1 = (s1 + (1 << 20)) >> 21; - s2 += carry1; - s1 -= carry1 << 21; - carry3 = (s3 + (1 << 20)) >> 21; - s4 += carry3; - s3 -= carry3 << 21; - carry5 = (s5 + (1 << 20)) >> 21; - s6 += carry5; - s5 -= carry5 << 21; - carry7 = (s7 + (1 << 20)) >> 21; - s8 += carry7; - s7 -= carry7 << 21; - carry9 = (s9 + (1 << 20)) >> 21; - s10 += carry9; - s9 -= carry9 << 21; - carry11 = (s11 + (1 << 20)) >> 21; - s12 += carry11; - s11 -= carry11 << 21; - - s0 += s12 * 666643; - s1 += s12 * 470296; - s2 += s12 * 654183; - s3 -= s12 * 997805; - s4 += s12 * 136657; - s5 -= s12 * 683901; - s12 = 0; - - carry0 = s0 >> 21; - s1 += carry0; - s0 -= carry0 << 21; - carry1 = s1 >> 21; - s2 += carry1; - s1 -= carry1 << 21; - carry2 = s2 >> 21; - s3 += carry2; - s2 -= carry2 << 21; - carry3 = s3 >> 21; - s4 += carry3; - s3 -= carry3 << 21; - carry4 = s4 >> 21; - s5 += carry4; - s4 -= carry4 << 21; - carry5 = s5 >> 21; - s6 += carry5; - s5 -= carry5 << 21; - carry6 = s6 >> 21; - s7 += carry6; - s6 -= carry6 << 21; - carry7 = s7 >> 21; - s8 += carry7; - s7 -= carry7 << 21; - carry8 = s8 >> 21; - s9 += carry8; - s8 -= carry8 << 21; - carry9 = s9 >> 21; - s10 += carry9; - s9 -= carry9 << 21; - carry10 = s10 >> 21; - s11 += carry10; - s10 -= carry10 << 21; - carry11 = s11 >> 21; - s12 += carry11; - s11 -= carry11 << 21; - - s0 += s12 * 666643; - s1 += s12 * 470296; - s2 += s12 * 654183; - s3 -= s12 * 997805; - s4 += s12 * 136657; - s5 -= s12 * 683901; - - carry0 = s0 >> 21; - s1 += carry0; - s0 -= carry0 << 21; - carry1 = s1 >> 21; - s2 += carry1; - s1 -= carry1 << 21; - carry2 = s2 >> 21; - s3 += carry2; - s2 -= carry2 << 21; - carry3 = s3 >> 21; - s4 += carry3; - s3 -= carry3 << 21; - carry4 = s4 >> 21; - s5 += carry4; - s4 -= carry4 << 21; - carry5 = s5 >> 21; - s6 += carry5; - s5 -= carry5 << 21; - carry6 = s6 >> 21; - s7 += carry6; - s6 -= carry6 << 21; - carry7 = s7 >> 21; - s8 += carry7; - s7 -= carry7 << 21; - carry8 = s8 >> 21; - s9 += carry8; - s8 -= carry8 << 21; - carry9 = s9 >> 21; - s10 += carry9; - s9 -= carry9 << 21; - carry10 = s10 >> 21; - s11 += carry10; - s10 -= carry10 << 21; - - s[0] = s0 >> 0; - s[1] = s0 >> 8; - s[2] = (s0 >> 16) | (s1 << 5); - s[3] = s1 >> 3; - s[4] = s1 >> 11; - s[5] = (s1 >> 19) | (s2 << 2); - s[6] = s2 >> 6; - s[7] = (s2 >> 14) | (s3 << 7); - s[8] = s3 >> 1; - s[9] = s3 >> 9; - s[10] = (s3 >> 17) | (s4 << 4); - s[11] = s4 >> 4; - s[12] = s4 >> 12; - s[13] = (s4 >> 20) | (s5 << 1); - s[14] = s5 >> 7; - s[15] = (s5 >> 15) | (s6 << 6); - s[16] = s6 >> 2; - s[17] = s6 >> 10; - s[18] = (s6 >> 18) | (s7 << 3); - s[19] = s7 >> 5; - s[20] = s7 >> 13; - s[21] = s8 >> 0; - s[22] = s8 >> 8; - s[23] = (s8 >> 16) | (s9 << 5); - s[24] = s9 >> 3; - s[25] = s9 >> 11; - s[26] = (s9 >> 19) | (s10 << 2); - s[27] = s10 >> 6; - s[28] = (s10 >> 14) | (s11 << 7); - s[29] = s11 >> 1; - s[30] = s11 >> 9; - s[31] = s11 >> 17; -} - -void sc_add(unsigned char* s, const unsigned char* a, const unsigned char* b) { - int64_t a0 = 2097151 & load_3(a); - int64_t a1 = 2097151 & (load_4(a + 2) >> 5); - int64_t a2 = 2097151 & (load_3(a + 5) >> 2); - int64_t a3 = 2097151 & (load_4(a + 7) >> 7); - int64_t a4 = 2097151 & (load_4(a + 10) >> 4); - int64_t a5 = 2097151 & (load_3(a + 13) >> 1); - int64_t a6 = 2097151 & (load_4(a + 15) >> 6); - int64_t a7 = 2097151 & (load_3(a + 18) >> 3); - int64_t a8 = 2097151 & load_3(a + 21); - int64_t a9 = 2097151 & (load_4(a + 23) >> 5); - int64_t a10 = 2097151 & (load_3(a + 26) >> 2); - int64_t a11 = (load_4(a + 28) >> 7); - int64_t b0 = 2097151 & load_3(b); - int64_t b1 = 2097151 & (load_4(b + 2) >> 5); - int64_t b2 = 2097151 & (load_3(b + 5) >> 2); - int64_t b3 = 2097151 & (load_4(b + 7) >> 7); - int64_t b4 = 2097151 & (load_4(b + 10) >> 4); - int64_t b5 = 2097151 & (load_3(b + 13) >> 1); - int64_t b6 = 2097151 & (load_4(b + 15) >> 6); - int64_t b7 = 2097151 & (load_3(b + 18) >> 3); - int64_t b8 = 2097151 & load_3(b + 21); - int64_t b9 = 2097151 & (load_4(b + 23) >> 5); - int64_t b10 = 2097151 & (load_3(b + 26) >> 2); - int64_t b11 = (load_4(b + 28) >> 7); - int64_t s0 = a0 + b0; - int64_t s1 = a1 + b1; - int64_t s2 = a2 + b2; - int64_t s3 = a3 + b3; - int64_t s4 = a4 + b4; - int64_t s5 = a5 + b5; - int64_t s6 = a6 + b6; - int64_t s7 = a7 + b7; - int64_t s8 = a8 + b8; - int64_t s9 = a9 + b9; - int64_t s10 = a10 + b10; - int64_t s11 = a11 + b11; - int64_t s12 = 0; - int64_t carry0; - int64_t carry1; - int64_t carry2; - int64_t carry3; - int64_t carry4; - int64_t carry5; - int64_t carry6; - int64_t carry7; - int64_t carry8; - int64_t carry9; - int64_t carry10; - int64_t carry11; - - carry0 = (s0 + (1 << 20)) >> 21; - s1 += carry0; - s0 -= carry0 << 21; - carry2 = (s2 + (1 << 20)) >> 21; - s3 += carry2; - s2 -= carry2 << 21; - carry4 = (s4 + (1 << 20)) >> 21; - s5 += carry4; - s4 -= carry4 << 21; - carry6 = (s6 + (1 << 20)) >> 21; - s7 += carry6; - s6 -= carry6 << 21; - carry8 = (s8 + (1 << 20)) >> 21; - s9 += carry8; - s8 -= carry8 << 21; - carry10 = (s10 + (1 << 20)) >> 21; - s11 += carry10; - s10 -= carry10 << 21; - - carry1 = (s1 + (1 << 20)) >> 21; - s2 += carry1; - s1 -= carry1 << 21; - carry3 = (s3 + (1 << 20)) >> 21; - s4 += carry3; - s3 -= carry3 << 21; - carry5 = (s5 + (1 << 20)) >> 21; - s6 += carry5; - s5 -= carry5 << 21; - carry7 = (s7 + (1 << 20)) >> 21; - s8 += carry7; - s7 -= carry7 << 21; - carry9 = (s9 + (1 << 20)) >> 21; - s10 += carry9; - s9 -= carry9 << 21; - carry11 = (s11 + (1 << 20)) >> 21; - s12 += carry11; - s11 -= carry11 << 21; - - s0 += s12 * 666643; - s1 += s12 * 470296; - s2 += s12 * 654183; - s3 -= s12 * 997805; - s4 += s12 * 136657; - s5 -= s12 * 683901; - s12 = 0; - - carry0 = s0 >> 21; - s1 += carry0; - s0 -= carry0 << 21; - carry1 = s1 >> 21; - s2 += carry1; - s1 -= carry1 << 21; - carry2 = s2 >> 21; - s3 += carry2; - s2 -= carry2 << 21; - carry3 = s3 >> 21; - s4 += carry3; - s3 -= carry3 << 21; - carry4 = s4 >> 21; - s5 += carry4; - s4 -= carry4 << 21; - carry5 = s5 >> 21; - s6 += carry5; - s5 -= carry5 << 21; - carry6 = s6 >> 21; - s7 += carry6; - s6 -= carry6 << 21; - carry7 = s7 >> 21; - s8 += carry7; - s7 -= carry7 << 21; - carry8 = s8 >> 21; - s9 += carry8; - s8 -= carry8 << 21; - carry9 = s9 >> 21; - s10 += carry9; - s9 -= carry9 << 21; - carry10 = s10 >> 21; - s11 += carry10; - s10 -= carry10 << 21; - carry11 = s11 >> 21; - s12 += carry11; - s11 -= carry11 << 21; - - s0 += s12 * 666643; - s1 += s12 * 470296; - s2 += s12 * 654183; - s3 -= s12 * 997805; - s4 += s12 * 136657; - s5 -= s12 * 683901; - - carry0 = s0 >> 21; - s1 += carry0; - s0 -= carry0 << 21; - carry1 = s1 >> 21; - s2 += carry1; - s1 -= carry1 << 21; - carry2 = s2 >> 21; - s3 += carry2; - s2 -= carry2 << 21; - carry3 = s3 >> 21; - s4 += carry3; - s3 -= carry3 << 21; - carry4 = s4 >> 21; - s5 += carry4; - s4 -= carry4 << 21; - carry5 = s5 >> 21; - s6 += carry5; - s5 -= carry5 << 21; - carry6 = s6 >> 21; - s7 += carry6; - s6 -= carry6 << 21; - carry7 = s7 >> 21; - s8 += carry7; - s7 -= carry7 << 21; - carry8 = s8 >> 21; - s9 += carry8; - s8 -= carry8 << 21; - carry9 = s9 >> 21; - s10 += carry9; - s9 -= carry9 << 21; - carry10 = s10 >> 21; - s11 += carry10; - s10 -= carry10 << 21; - - s[0] = s0 >> 0; - s[1] = s0 >> 8; - s[2] = (s0 >> 16) | (s1 << 5); - s[3] = s1 >> 3; - s[4] = s1 >> 11; - s[5] = (s1 >> 19) | (s2 << 2); - s[6] = s2 >> 6; - s[7] = (s2 >> 14) | (s3 << 7); - s[8] = s3 >> 1; - s[9] = s3 >> 9; - s[10] = (s3 >> 17) | (s4 << 4); - s[11] = s4 >> 4; - s[12] = s4 >> 12; - s[13] = (s4 >> 20) | (s5 << 1); - s[14] = s5 >> 7; - s[15] = (s5 >> 15) | (s6 << 6); - s[16] = s6 >> 2; - s[17] = s6 >> 10; - s[18] = (s6 >> 18) | (s7 << 3); - s[19] = s7 >> 5; - s[20] = s7 >> 13; - s[21] = s8 >> 0; - s[22] = s8 >> 8; - s[23] = (s8 >> 16) | (s9 << 5); - s[24] = s9 >> 3; - s[25] = s9 >> 11; - s[26] = (s9 >> 19) | (s10 << 2); - s[27] = s10 >> 6; - s[28] = (s10 >> 14) | (s11 << 7); - s[29] = s11 >> 1; - s[30] = s11 >> 9; - s[31] = s11 >> 17; -} - -void sc_sub(unsigned char* s, const unsigned char* a, const unsigned char* b) { - int64_t a0 = 2097151 & load_3(a); - int64_t a1 = 2097151 & (load_4(a + 2) >> 5); - int64_t a2 = 2097151 & (load_3(a + 5) >> 2); - int64_t a3 = 2097151 & (load_4(a + 7) >> 7); - int64_t a4 = 2097151 & (load_4(a + 10) >> 4); - int64_t a5 = 2097151 & (load_3(a + 13) >> 1); - int64_t a6 = 2097151 & (load_4(a + 15) >> 6); - int64_t a7 = 2097151 & (load_3(a + 18) >> 3); - int64_t a8 = 2097151 & load_3(a + 21); - int64_t a9 = 2097151 & (load_4(a + 23) >> 5); - int64_t a10 = 2097151 & (load_3(a + 26) >> 2); - int64_t a11 = (load_4(a + 28) >> 7); - int64_t b0 = 2097151 & load_3(b); - int64_t b1 = 2097151 & (load_4(b + 2) >> 5); - int64_t b2 = 2097151 & (load_3(b + 5) >> 2); - int64_t b3 = 2097151 & (load_4(b + 7) >> 7); - int64_t b4 = 2097151 & (load_4(b + 10) >> 4); - int64_t b5 = 2097151 & (load_3(b + 13) >> 1); - int64_t b6 = 2097151 & (load_4(b + 15) >> 6); - int64_t b7 = 2097151 & (load_3(b + 18) >> 3); - int64_t b8 = 2097151 & load_3(b + 21); - int64_t b9 = 2097151 & (load_4(b + 23) >> 5); - int64_t b10 = 2097151 & (load_3(b + 26) >> 2); - int64_t b11 = (load_4(b + 28) >> 7); - int64_t s0 = a0 - b0; - int64_t s1 = a1 - b1; - int64_t s2 = a2 - b2; - int64_t s3 = a3 - b3; - int64_t s4 = a4 - b4; - int64_t s5 = a5 - b5; - int64_t s6 = a6 - b6; - int64_t s7 = a7 - b7; - int64_t s8 = a8 - b8; - int64_t s9 = a9 - b9; - int64_t s10 = a10 - b10; - int64_t s11 = a11 - b11; - int64_t s12 = 0; - int64_t carry0; - int64_t carry1; - int64_t carry2; - int64_t carry3; - int64_t carry4; - int64_t carry5; - int64_t carry6; - int64_t carry7; - int64_t carry8; - int64_t carry9; - int64_t carry10; - int64_t carry11; - - carry0 = (s0 + (1 << 20)) >> 21; - s1 += carry0; - s0 -= carry0 << 21; - carry2 = (s2 + (1 << 20)) >> 21; - s3 += carry2; - s2 -= carry2 << 21; - carry4 = (s4 + (1 << 20)) >> 21; - s5 += carry4; - s4 -= carry4 << 21; - carry6 = (s6 + (1 << 20)) >> 21; - s7 += carry6; - s6 -= carry6 << 21; - carry8 = (s8 + (1 << 20)) >> 21; - s9 += carry8; - s8 -= carry8 << 21; - carry10 = (s10 + (1 << 20)) >> 21; - s11 += carry10; - s10 -= carry10 << 21; - - carry1 = (s1 + (1 << 20)) >> 21; - s2 += carry1; - s1 -= carry1 << 21; - carry3 = (s3 + (1 << 20)) >> 21; - s4 += carry3; - s3 -= carry3 << 21; - carry5 = (s5 + (1 << 20)) >> 21; - s6 += carry5; - s5 -= carry5 << 21; - carry7 = (s7 + (1 << 20)) >> 21; - s8 += carry7; - s7 -= carry7 << 21; - carry9 = (s9 + (1 << 20)) >> 21; - s10 += carry9; - s9 -= carry9 << 21; - carry11 = (s11 + (1 << 20)) >> 21; - s12 += carry11; - s11 -= carry11 << 21; - - s0 += s12 * 666643; - s1 += s12 * 470296; - s2 += s12 * 654183; - s3 -= s12 * 997805; - s4 += s12 * 136657; - s5 -= s12 * 683901; - s12 = 0; - - carry0 = s0 >> 21; - s1 += carry0; - s0 -= carry0 << 21; - carry1 = s1 >> 21; - s2 += carry1; - s1 -= carry1 << 21; - carry2 = s2 >> 21; - s3 += carry2; - s2 -= carry2 << 21; - carry3 = s3 >> 21; - s4 += carry3; - s3 -= carry3 << 21; - carry4 = s4 >> 21; - s5 += carry4; - s4 -= carry4 << 21; - carry5 = s5 >> 21; - s6 += carry5; - s5 -= carry5 << 21; - carry6 = s6 >> 21; - s7 += carry6; - s6 -= carry6 << 21; - carry7 = s7 >> 21; - s8 += carry7; - s7 -= carry7 << 21; - carry8 = s8 >> 21; - s9 += carry8; - s8 -= carry8 << 21; - carry9 = s9 >> 21; - s10 += carry9; - s9 -= carry9 << 21; - carry10 = s10 >> 21; - s11 += carry10; - s10 -= carry10 << 21; - carry11 = s11 >> 21; - s12 += carry11; - s11 -= carry11 << 21; - - s0 += s12 * 666643; - s1 += s12 * 470296; - s2 += s12 * 654183; - s3 -= s12 * 997805; - s4 += s12 * 136657; - s5 -= s12 * 683901; - - carry0 = s0 >> 21; - s1 += carry0; - s0 -= carry0 << 21; - carry1 = s1 >> 21; - s2 += carry1; - s1 -= carry1 << 21; - carry2 = s2 >> 21; - s3 += carry2; - s2 -= carry2 << 21; - carry3 = s3 >> 21; - s4 += carry3; - s3 -= carry3 << 21; - carry4 = s4 >> 21; - s5 += carry4; - s4 -= carry4 << 21; - carry5 = s5 >> 21; - s6 += carry5; - s5 -= carry5 << 21; - carry6 = s6 >> 21; - s7 += carry6; - s6 -= carry6 << 21; - carry7 = s7 >> 21; - s8 += carry7; - s7 -= carry7 << 21; - carry8 = s8 >> 21; - s9 += carry8; - s8 -= carry8 << 21; - carry9 = s9 >> 21; - s10 += carry9; - s9 -= carry9 << 21; - carry10 = s10 >> 21; - s11 += carry10; - s10 -= carry10 << 21; - - s[0] = s0 >> 0; - s[1] = s0 >> 8; - s[2] = (s0 >> 16) | (s1 << 5); - s[3] = s1 >> 3; - s[4] = s1 >> 11; - s[5] = (s1 >> 19) | (s2 << 2); - s[6] = s2 >> 6; - s[7] = (s2 >> 14) | (s3 << 7); - s[8] = s3 >> 1; - s[9] = s3 >> 9; - s[10] = (s3 >> 17) | (s4 << 4); - s[11] = s4 >> 4; - s[12] = s4 >> 12; - s[13] = (s4 >> 20) | (s5 << 1); - s[14] = s5 >> 7; - s[15] = (s5 >> 15) | (s6 << 6); - s[16] = s6 >> 2; - s[17] = s6 >> 10; - s[18] = (s6 >> 18) | (s7 << 3); - s[19] = s7 >> 5; - s[20] = s7 >> 13; - s[21] = s8 >> 0; - s[22] = s8 >> 8; - s[23] = (s8 >> 16) | (s9 << 5); - s[24] = s9 >> 3; - s[25] = s9 >> 11; - s[26] = (s9 >> 19) | (s10 << 2); - s[27] = s10 >> 6; - s[28] = (s10 >> 14) | (s11 << 7); - s[29] = s11 >> 1; - s[30] = s11 >> 9; - s[31] = s11 >> 17; -} - -/* -Input: - a[0]+256*a[1]+...+256^31*a[31] = a - b[0]+256*b[1]+...+256^31*b[31] = b - c[0]+256*c[1]+...+256^31*c[31] = c - -Output: - s[0]+256*s[1]+...+256^31*s[31] = (c-ab) mod l - where l = 2^252 + 27742317777372353535851937790883648493. -*/ - -void sc_mulsub( - unsigned char* s, const unsigned char* a, const unsigned char* b, const unsigned char* c) { - int64_t a0 = 2097151 & load_3(a); - int64_t a1 = 2097151 & (load_4(a + 2) >> 5); - int64_t a2 = 2097151 & (load_3(a + 5) >> 2); - int64_t a3 = 2097151 & (load_4(a + 7) >> 7); - int64_t a4 = 2097151 & (load_4(a + 10) >> 4); - int64_t a5 = 2097151 & (load_3(a + 13) >> 1); - int64_t a6 = 2097151 & (load_4(a + 15) >> 6); - int64_t a7 = 2097151 & (load_3(a + 18) >> 3); - int64_t a8 = 2097151 & load_3(a + 21); - int64_t a9 = 2097151 & (load_4(a + 23) >> 5); - int64_t a10 = 2097151 & (load_3(a + 26) >> 2); - int64_t a11 = (load_4(a + 28) >> 7); - int64_t b0 = 2097151 & load_3(b); - int64_t b1 = 2097151 & (load_4(b + 2) >> 5); - int64_t b2 = 2097151 & (load_3(b + 5) >> 2); - int64_t b3 = 2097151 & (load_4(b + 7) >> 7); - int64_t b4 = 2097151 & (load_4(b + 10) >> 4); - int64_t b5 = 2097151 & (load_3(b + 13) >> 1); - int64_t b6 = 2097151 & (load_4(b + 15) >> 6); - int64_t b7 = 2097151 & (load_3(b + 18) >> 3); - int64_t b8 = 2097151 & load_3(b + 21); - int64_t b9 = 2097151 & (load_4(b + 23) >> 5); - int64_t b10 = 2097151 & (load_3(b + 26) >> 2); - int64_t b11 = (load_4(b + 28) >> 7); - int64_t c0 = 2097151 & load_3(c); - int64_t c1 = 2097151 & (load_4(c + 2) >> 5); - int64_t c2 = 2097151 & (load_3(c + 5) >> 2); - int64_t c3 = 2097151 & (load_4(c + 7) >> 7); - int64_t c4 = 2097151 & (load_4(c + 10) >> 4); - int64_t c5 = 2097151 & (load_3(c + 13) >> 1); - int64_t c6 = 2097151 & (load_4(c + 15) >> 6); - int64_t c7 = 2097151 & (load_3(c + 18) >> 3); - int64_t c8 = 2097151 & load_3(c + 21); - int64_t c9 = 2097151 & (load_4(c + 23) >> 5); - int64_t c10 = 2097151 & (load_3(c + 26) >> 2); - int64_t c11 = (load_4(c + 28) >> 7); - int64_t s0; - int64_t s1; - int64_t s2; - int64_t s3; - int64_t s4; - int64_t s5; - int64_t s6; - int64_t s7; - int64_t s8; - int64_t s9; - int64_t s10; - int64_t s11; - int64_t s12; - int64_t s13; - int64_t s14; - int64_t s15; - int64_t s16; - int64_t s17; - int64_t s18; - int64_t s19; - int64_t s20; - int64_t s21; - int64_t s22; - int64_t s23; - int64_t carry0; - int64_t carry1; - int64_t carry2; - int64_t carry3; - int64_t carry4; - int64_t carry5; - int64_t carry6; - int64_t carry7; - int64_t carry8; - int64_t carry9; - int64_t carry10; - int64_t carry11; - int64_t carry12; - int64_t carry13; - int64_t carry14; - int64_t carry15; - int64_t carry16; - int64_t carry17; - int64_t carry18; - int64_t carry19; - int64_t carry20; - int64_t carry21; - int64_t carry22; - - s0 = c0 - a0 * b0; - s1 = c1 - (a0 * b1 + a1 * b0); - s2 = c2 - (a0 * b2 + a1 * b1 + a2 * b0); - s3 = c3 - (a0 * b3 + a1 * b2 + a2 * b1 + a3 * b0); - s4 = c4 - (a0 * b4 + a1 * b3 + a2 * b2 + a3 * b1 + a4 * b0); - s5 = c5 - (a0 * b5 + a1 * b4 + a2 * b3 + a3 * b2 + a4 * b1 + a5 * b0); - s6 = c6 - (a0 * b6 + a1 * b5 + a2 * b4 + a3 * b3 + a4 * b2 + a5 * b1 + a6 * b0); - s7 = c7 - (a0 * b7 + a1 * b6 + a2 * b5 + a3 * b4 + a4 * b3 + a5 * b2 + a6 * b1 + a7 * b0); - s8 = c8 - - (a0 * b8 + a1 * b7 + a2 * b6 + a3 * b5 + a4 * b4 + a5 * b3 + a6 * b2 + a7 * b1 + a8 * b0); - s9 = c9 - (a0 * b9 + a1 * b8 + a2 * b7 + a3 * b6 + a4 * b5 + a5 * b4 + a6 * b3 + a7 * b2 + - a8 * b1 + a9 * b0); - s10 = c10 - (a0 * b10 + a1 * b9 + a2 * b8 + a3 * b7 + a4 * b6 + a5 * b5 + a6 * b4 + a7 * b3 + - a8 * b2 + a9 * b1 + a10 * b0); - s11 = c11 - (a0 * b11 + a1 * b10 + a2 * b9 + a3 * b8 + a4 * b7 + a5 * b6 + a6 * b5 + a7 * b4 + - a8 * b3 + a9 * b2 + a10 * b1 + a11 * b0); - s12 = -(a1 * b11 + a2 * b10 + a3 * b9 + a4 * b8 + a5 * b7 + a6 * b6 + a7 * b5 + a8 * b4 + - a9 * b3 + a10 * b2 + a11 * b1); - s13 = -(a2 * b11 + a3 * b10 + a4 * b9 + a5 * b8 + a6 * b7 + a7 * b6 + a8 * b5 + a9 * b4 + - a10 * b3 + a11 * b2); - s14 = -(a3 * b11 + a4 * b10 + a5 * b9 + a6 * b8 + a7 * b7 + a8 * b6 + a9 * b5 + a10 * b4 + - a11 * b3); - s15 = -(a4 * b11 + a5 * b10 + a6 * b9 + a7 * b8 + a8 * b7 + a9 * b6 + a10 * b5 + a11 * b4); - s16 = -(a5 * b11 + a6 * b10 + a7 * b9 + a8 * b8 + a9 * b7 + a10 * b6 + a11 * b5); - s17 = -(a6 * b11 + a7 * b10 + a8 * b9 + a9 * b8 + a10 * b7 + a11 * b6); - s18 = -(a7 * b11 + a8 * b10 + a9 * b9 + a10 * b8 + a11 * b7); - s19 = -(a8 * b11 + a9 * b10 + a10 * b9 + a11 * b8); - s20 = -(a9 * b11 + a10 * b10 + a11 * b9); - s21 = -(a10 * b11 + a11 * b10); - s22 = -a11 * b11; - s23 = 0; - - carry0 = (s0 + (1 << 20)) >> 21; - s1 += carry0; - s0 -= carry0 << 21; - carry2 = (s2 + (1 << 20)) >> 21; - s3 += carry2; - s2 -= carry2 << 21; - carry4 = (s4 + (1 << 20)) >> 21; - s5 += carry4; - s4 -= carry4 << 21; - carry6 = (s6 + (1 << 20)) >> 21; - s7 += carry6; - s6 -= carry6 << 21; - carry8 = (s8 + (1 << 20)) >> 21; - s9 += carry8; - s8 -= carry8 << 21; - carry10 = (s10 + (1 << 20)) >> 21; - s11 += carry10; - s10 -= carry10 << 21; - carry12 = (s12 + (1 << 20)) >> 21; - s13 += carry12; - s12 -= carry12 << 21; - carry14 = (s14 + (1 << 20)) >> 21; - s15 += carry14; - s14 -= carry14 << 21; - carry16 = (s16 + (1 << 20)) >> 21; - s17 += carry16; - s16 -= carry16 << 21; - carry18 = (s18 + (1 << 20)) >> 21; - s19 += carry18; - s18 -= carry18 << 21; - carry20 = (s20 + (1 << 20)) >> 21; - s21 += carry20; - s20 -= carry20 << 21; - carry22 = (s22 + (1 << 20)) >> 21; - s23 += carry22; - s22 -= carry22 << 21; - - carry1 = (s1 + (1 << 20)) >> 21; - s2 += carry1; - s1 -= carry1 << 21; - carry3 = (s3 + (1 << 20)) >> 21; - s4 += carry3; - s3 -= carry3 << 21; - carry5 = (s5 + (1 << 20)) >> 21; - s6 += carry5; - s5 -= carry5 << 21; - carry7 = (s7 + (1 << 20)) >> 21; - s8 += carry7; - s7 -= carry7 << 21; - carry9 = (s9 + (1 << 20)) >> 21; - s10 += carry9; - s9 -= carry9 << 21; - carry11 = (s11 + (1 << 20)) >> 21; - s12 += carry11; - s11 -= carry11 << 21; - carry13 = (s13 + (1 << 20)) >> 21; - s14 += carry13; - s13 -= carry13 << 21; - carry15 = (s15 + (1 << 20)) >> 21; - s16 += carry15; - s15 -= carry15 << 21; - carry17 = (s17 + (1 << 20)) >> 21; - s18 += carry17; - s17 -= carry17 << 21; - carry19 = (s19 + (1 << 20)) >> 21; - s20 += carry19; - s19 -= carry19 << 21; - carry21 = (s21 + (1 << 20)) >> 21; - s22 += carry21; - s21 -= carry21 << 21; - - s11 += s23 * 666643; - s12 += s23 * 470296; - s13 += s23 * 654183; - s14 -= s23 * 997805; - s15 += s23 * 136657; - s16 -= s23 * 683901; - - s10 += s22 * 666643; - s11 += s22 * 470296; - s12 += s22 * 654183; - s13 -= s22 * 997805; - s14 += s22 * 136657; - s15 -= s22 * 683901; - - s9 += s21 * 666643; - s10 += s21 * 470296; - s11 += s21 * 654183; - s12 -= s21 * 997805; - s13 += s21 * 136657; - s14 -= s21 * 683901; - - s8 += s20 * 666643; - s9 += s20 * 470296; - s10 += s20 * 654183; - s11 -= s20 * 997805; - s12 += s20 * 136657; - s13 -= s20 * 683901; - - s7 += s19 * 666643; - s8 += s19 * 470296; - s9 += s19 * 654183; - s10 -= s19 * 997805; - s11 += s19 * 136657; - s12 -= s19 * 683901; - - s6 += s18 * 666643; - s7 += s18 * 470296; - s8 += s18 * 654183; - s9 -= s18 * 997805; - s10 += s18 * 136657; - s11 -= s18 * 683901; - - carry6 = (s6 + (1 << 20)) >> 21; - s7 += carry6; - s6 -= carry6 << 21; - carry8 = (s8 + (1 << 20)) >> 21; - s9 += carry8; - s8 -= carry8 << 21; - carry10 = (s10 + (1 << 20)) >> 21; - s11 += carry10; - s10 -= carry10 << 21; - carry12 = (s12 + (1 << 20)) >> 21; - s13 += carry12; - s12 -= carry12 << 21; - carry14 = (s14 + (1 << 20)) >> 21; - s15 += carry14; - s14 -= carry14 << 21; - carry16 = (s16 + (1 << 20)) >> 21; - s17 += carry16; - s16 -= carry16 << 21; - - carry7 = (s7 + (1 << 20)) >> 21; - s8 += carry7; - s7 -= carry7 << 21; - carry9 = (s9 + (1 << 20)) >> 21; - s10 += carry9; - s9 -= carry9 << 21; - carry11 = (s11 + (1 << 20)) >> 21; - s12 += carry11; - s11 -= carry11 << 21; - carry13 = (s13 + (1 << 20)) >> 21; - s14 += carry13; - s13 -= carry13 << 21; - carry15 = (s15 + (1 << 20)) >> 21; - s16 += carry15; - s15 -= carry15 << 21; - - s5 += s17 * 666643; - s6 += s17 * 470296; - s7 += s17 * 654183; - s8 -= s17 * 997805; - s9 += s17 * 136657; - s10 -= s17 * 683901; - - s4 += s16 * 666643; - s5 += s16 * 470296; - s6 += s16 * 654183; - s7 -= s16 * 997805; - s8 += s16 * 136657; - s9 -= s16 * 683901; - - s3 += s15 * 666643; - s4 += s15 * 470296; - s5 += s15 * 654183; - s6 -= s15 * 997805; - s7 += s15 * 136657; - s8 -= s15 * 683901; - - s2 += s14 * 666643; - s3 += s14 * 470296; - s4 += s14 * 654183; - s5 -= s14 * 997805; - s6 += s14 * 136657; - s7 -= s14 * 683901; - - s1 += s13 * 666643; - s2 += s13 * 470296; - s3 += s13 * 654183; - s4 -= s13 * 997805; - s5 += s13 * 136657; - s6 -= s13 * 683901; - - s0 += s12 * 666643; - s1 += s12 * 470296; - s2 += s12 * 654183; - s3 -= s12 * 997805; - s4 += s12 * 136657; - s5 -= s12 * 683901; - s12 = 0; - - carry0 = (s0 + (1 << 20)) >> 21; - s1 += carry0; - s0 -= carry0 << 21; - carry2 = (s2 + (1 << 20)) >> 21; - s3 += carry2; - s2 -= carry2 << 21; - carry4 = (s4 + (1 << 20)) >> 21; - s5 += carry4; - s4 -= carry4 << 21; - carry6 = (s6 + (1 << 20)) >> 21; - s7 += carry6; - s6 -= carry6 << 21; - carry8 = (s8 + (1 << 20)) >> 21; - s9 += carry8; - s8 -= carry8 << 21; - carry10 = (s10 + (1 << 20)) >> 21; - s11 += carry10; - s10 -= carry10 << 21; - - carry1 = (s1 + (1 << 20)) >> 21; - s2 += carry1; - s1 -= carry1 << 21; - carry3 = (s3 + (1 << 20)) >> 21; - s4 += carry3; - s3 -= carry3 << 21; - carry5 = (s5 + (1 << 20)) >> 21; - s6 += carry5; - s5 -= carry5 << 21; - carry7 = (s7 + (1 << 20)) >> 21; - s8 += carry7; - s7 -= carry7 << 21; - carry9 = (s9 + (1 << 20)) >> 21; - s10 += carry9; - s9 -= carry9 << 21; - carry11 = (s11 + (1 << 20)) >> 21; - s12 += carry11; - s11 -= carry11 << 21; - - s0 += s12 * 666643; - s1 += s12 * 470296; - s2 += s12 * 654183; - s3 -= s12 * 997805; - s4 += s12 * 136657; - s5 -= s12 * 683901; - s12 = 0; - - carry0 = s0 >> 21; - s1 += carry0; - s0 -= carry0 << 21; - carry1 = s1 >> 21; - s2 += carry1; - s1 -= carry1 << 21; - carry2 = s2 >> 21; - s3 += carry2; - s2 -= carry2 << 21; - carry3 = s3 >> 21; - s4 += carry3; - s3 -= carry3 << 21; - carry4 = s4 >> 21; - s5 += carry4; - s4 -= carry4 << 21; - carry5 = s5 >> 21; - s6 += carry5; - s5 -= carry5 << 21; - carry6 = s6 >> 21; - s7 += carry6; - s6 -= carry6 << 21; - carry7 = s7 >> 21; - s8 += carry7; - s7 -= carry7 << 21; - carry8 = s8 >> 21; - s9 += carry8; - s8 -= carry8 << 21; - carry9 = s9 >> 21; - s10 += carry9; - s9 -= carry9 << 21; - carry10 = s10 >> 21; - s11 += carry10; - s10 -= carry10 << 21; - carry11 = s11 >> 21; - s12 += carry11; - s11 -= carry11 << 21; - - s0 += s12 * 666643; - s1 += s12 * 470296; - s2 += s12 * 654183; - s3 -= s12 * 997805; - s4 += s12 * 136657; - s5 -= s12 * 683901; - - carry0 = s0 >> 21; - s1 += carry0; - s0 -= carry0 << 21; - carry1 = s1 >> 21; - s2 += carry1; - s1 -= carry1 << 21; - carry2 = s2 >> 21; - s3 += carry2; - s2 -= carry2 << 21; - carry3 = s3 >> 21; - s4 += carry3; - s3 -= carry3 << 21; - carry4 = s4 >> 21; - s5 += carry4; - s4 -= carry4 << 21; - carry5 = s5 >> 21; - s6 += carry5; - s5 -= carry5 << 21; - carry6 = s6 >> 21; - s7 += carry6; - s6 -= carry6 << 21; - carry7 = s7 >> 21; - s8 += carry7; - s7 -= carry7 << 21; - carry8 = s8 >> 21; - s9 += carry8; - s8 -= carry8 << 21; - carry9 = s9 >> 21; - s10 += carry9; - s9 -= carry9 << 21; - carry10 = s10 >> 21; - s11 += carry10; - s10 -= carry10 << 21; - - s[0] = s0 >> 0; - s[1] = s0 >> 8; - s[2] = (s0 >> 16) | (s1 << 5); - s[3] = s1 >> 3; - s[4] = s1 >> 11; - s[5] = (s1 >> 19) | (s2 << 2); - s[6] = s2 >> 6; - s[7] = (s2 >> 14) | (s3 << 7); - s[8] = s3 >> 1; - s[9] = s3 >> 9; - s[10] = (s3 >> 17) | (s4 << 4); - s[11] = s4 >> 4; - s[12] = s4 >> 12; - s[13] = (s4 >> 20) | (s5 << 1); - s[14] = s5 >> 7; - s[15] = (s5 >> 15) | (s6 << 6); - s[16] = s6 >> 2; - s[17] = s6 >> 10; - s[18] = (s6 >> 18) | (s7 << 3); - s[19] = s7 >> 5; - s[20] = s7 >> 13; - s[21] = s8 >> 0; - s[22] = s8 >> 8; - s[23] = (s8 >> 16) | (s9 << 5); - s[24] = s9 >> 3; - s[25] = s9 >> 11; - s[26] = (s9 >> 19) | (s10 << 2); - s[27] = s10 >> 6; - s[28] = (s10 >> 14) | (s11 << 7); - s[29] = s11 >> 1; - s[30] = s11 >> 9; - s[31] = s11 >> 17; -} - -// copied from above and modified -/* -Input: - a[0]+256*a[1]+...+256^31*a[31] = a - b[0]+256*b[1]+...+256^31*b[31] = b - -Output: - s[0]+256*s[1]+...+256^31*s[31] = (ab) mod l - where l = 2^252 + 27742317777372353535851937790883648493. -*/ -void sc_mul(unsigned char* s, const unsigned char* a, const unsigned char* b) { - int64_t a0 = 2097151 & load_3(a); - int64_t a1 = 2097151 & (load_4(a + 2) >> 5); - int64_t a2 = 2097151 & (load_3(a + 5) >> 2); - int64_t a3 = 2097151 & (load_4(a + 7) >> 7); - int64_t a4 = 2097151 & (load_4(a + 10) >> 4); - int64_t a5 = 2097151 & (load_3(a + 13) >> 1); - int64_t a6 = 2097151 & (load_4(a + 15) >> 6); - int64_t a7 = 2097151 & (load_3(a + 18) >> 3); - int64_t a8 = 2097151 & load_3(a + 21); - int64_t a9 = 2097151 & (load_4(a + 23) >> 5); - int64_t a10 = 2097151 & (load_3(a + 26) >> 2); - int64_t a11 = (load_4(a + 28) >> 7); - int64_t b0 = 2097151 & load_3(b); - int64_t b1 = 2097151 & (load_4(b + 2) >> 5); - int64_t b2 = 2097151 & (load_3(b + 5) >> 2); - int64_t b3 = 2097151 & (load_4(b + 7) >> 7); - int64_t b4 = 2097151 & (load_4(b + 10) >> 4); - int64_t b5 = 2097151 & (load_3(b + 13) >> 1); - int64_t b6 = 2097151 & (load_4(b + 15) >> 6); - int64_t b7 = 2097151 & (load_3(b + 18) >> 3); - int64_t b8 = 2097151 & load_3(b + 21); - int64_t b9 = 2097151 & (load_4(b + 23) >> 5); - int64_t b10 = 2097151 & (load_3(b + 26) >> 2); - int64_t b11 = (load_4(b + 28) >> 7); - int64_t s0; - int64_t s1; - int64_t s2; - int64_t s3; - int64_t s4; - int64_t s5; - int64_t s6; - int64_t s7; - int64_t s8; - int64_t s9; - int64_t s10; - int64_t s11; - int64_t s12; - int64_t s13; - int64_t s14; - int64_t s15; - int64_t s16; - int64_t s17; - int64_t s18; - int64_t s19; - int64_t s20; - int64_t s21; - int64_t s22; - int64_t s23; - int64_t carry0; - int64_t carry1; - int64_t carry2; - int64_t carry3; - int64_t carry4; - int64_t carry5; - int64_t carry6; - int64_t carry7; - int64_t carry8; - int64_t carry9; - int64_t carry10; - int64_t carry11; - int64_t carry12; - int64_t carry13; - int64_t carry14; - int64_t carry15; - int64_t carry16; - int64_t carry17; - int64_t carry18; - int64_t carry19; - int64_t carry20; - int64_t carry21; - int64_t carry22; - - s0 = a0 * b0; - s1 = (a0 * b1 + a1 * b0); - s2 = (a0 * b2 + a1 * b1 + a2 * b0); - s3 = (a0 * b3 + a1 * b2 + a2 * b1 + a3 * b0); - s4 = (a0 * b4 + a1 * b3 + a2 * b2 + a3 * b1 + a4 * b0); - s5 = (a0 * b5 + a1 * b4 + a2 * b3 + a3 * b2 + a4 * b1 + a5 * b0); - s6 = (a0 * b6 + a1 * b5 + a2 * b4 + a3 * b3 + a4 * b2 + a5 * b1 + a6 * b0); - s7 = (a0 * b7 + a1 * b6 + a2 * b5 + a3 * b4 + a4 * b3 + a5 * b2 + a6 * b1 + a7 * b0); - s8 = (a0 * b8 + a1 * b7 + a2 * b6 + a3 * b5 + a4 * b4 + a5 * b3 + a6 * b2 + a7 * b1 + a8 * b0); - s9 = (a0 * b9 + a1 * b8 + a2 * b7 + a3 * b6 + a4 * b5 + a5 * b4 + a6 * b3 + a7 * b2 + a8 * b1 + - a9 * b0); - s10 = (a0 * b10 + a1 * b9 + a2 * b8 + a3 * b7 + a4 * b6 + a5 * b5 + a6 * b4 + a7 * b3 + - a8 * b2 + a9 * b1 + a10 * b0); - s11 = (a0 * b11 + a1 * b10 + a2 * b9 + a3 * b8 + a4 * b7 + a5 * b6 + a6 * b5 + a7 * b4 + - a8 * b3 + a9 * b2 + a10 * b1 + a11 * b0); - s12 = (a1 * b11 + a2 * b10 + a3 * b9 + a4 * b8 + a5 * b7 + a6 * b6 + a7 * b5 + a8 * b4 + - a9 * b3 + a10 * b2 + a11 * b1); - s13 = (a2 * b11 + a3 * b10 + a4 * b9 + a5 * b8 + a6 * b7 + a7 * b6 + a8 * b5 + a9 * b4 + - a10 * b3 + a11 * b2); - s14 = (a3 * b11 + a4 * b10 + a5 * b9 + a6 * b8 + a7 * b7 + a8 * b6 + a9 * b5 + a10 * b4 + - a11 * b3); - s15 = (a4 * b11 + a5 * b10 + a6 * b9 + a7 * b8 + a8 * b7 + a9 * b6 + a10 * b5 + a11 * b4); - s16 = (a5 * b11 + a6 * b10 + a7 * b9 + a8 * b8 + a9 * b7 + a10 * b6 + a11 * b5); - s17 = (a6 * b11 + a7 * b10 + a8 * b9 + a9 * b8 + a10 * b7 + a11 * b6); - s18 = (a7 * b11 + a8 * b10 + a9 * b9 + a10 * b8 + a11 * b7); - s19 = (a8 * b11 + a9 * b10 + a10 * b9 + a11 * b8); - s20 = (a9 * b11 + a10 * b10 + a11 * b9); - s21 = (a10 * b11 + a11 * b10); - s22 = a11 * b11; - s23 = 0; - - carry0 = (s0 + (1 << 20)) >> 21; - s1 += carry0; - s0 -= carry0 << 21; - carry2 = (s2 + (1 << 20)) >> 21; - s3 += carry2; - s2 -= carry2 << 21; - carry4 = (s4 + (1 << 20)) >> 21; - s5 += carry4; - s4 -= carry4 << 21; - carry6 = (s6 + (1 << 20)) >> 21; - s7 += carry6; - s6 -= carry6 << 21; - carry8 = (s8 + (1 << 20)) >> 21; - s9 += carry8; - s8 -= carry8 << 21; - carry10 = (s10 + (1 << 20)) >> 21; - s11 += carry10; - s10 -= carry10 << 21; - carry12 = (s12 + (1 << 20)) >> 21; - s13 += carry12; - s12 -= carry12 << 21; - carry14 = (s14 + (1 << 20)) >> 21; - s15 += carry14; - s14 -= carry14 << 21; - carry16 = (s16 + (1 << 20)) >> 21; - s17 += carry16; - s16 -= carry16 << 21; - carry18 = (s18 + (1 << 20)) >> 21; - s19 += carry18; - s18 -= carry18 << 21; - carry20 = (s20 + (1 << 20)) >> 21; - s21 += carry20; - s20 -= carry20 << 21; - carry22 = (s22 + (1 << 20)) >> 21; - s23 += carry22; - s22 -= carry22 << 21; - - carry1 = (s1 + (1 << 20)) >> 21; - s2 += carry1; - s1 -= carry1 << 21; - carry3 = (s3 + (1 << 20)) >> 21; - s4 += carry3; - s3 -= carry3 << 21; - carry5 = (s5 + (1 << 20)) >> 21; - s6 += carry5; - s5 -= carry5 << 21; - carry7 = (s7 + (1 << 20)) >> 21; - s8 += carry7; - s7 -= carry7 << 21; - carry9 = (s9 + (1 << 20)) >> 21; - s10 += carry9; - s9 -= carry9 << 21; - carry11 = (s11 + (1 << 20)) >> 21; - s12 += carry11; - s11 -= carry11 << 21; - carry13 = (s13 + (1 << 20)) >> 21; - s14 += carry13; - s13 -= carry13 << 21; - carry15 = (s15 + (1 << 20)) >> 21; - s16 += carry15; - s15 -= carry15 << 21; - carry17 = (s17 + (1 << 20)) >> 21; - s18 += carry17; - s17 -= carry17 << 21; - carry19 = (s19 + (1 << 20)) >> 21; - s20 += carry19; - s19 -= carry19 << 21; - carry21 = (s21 + (1 << 20)) >> 21; - s22 += carry21; - s21 -= carry21 << 21; - - s11 += s23 * 666643; - s12 += s23 * 470296; - s13 += s23 * 654183; - s14 -= s23 * 997805; - s15 += s23 * 136657; - s16 -= s23 * 683901; - - s10 += s22 * 666643; - s11 += s22 * 470296; - s12 += s22 * 654183; - s13 -= s22 * 997805; - s14 += s22 * 136657; - s15 -= s22 * 683901; - - s9 += s21 * 666643; - s10 += s21 * 470296; - s11 += s21 * 654183; - s12 -= s21 * 997805; - s13 += s21 * 136657; - s14 -= s21 * 683901; - - s8 += s20 * 666643; - s9 += s20 * 470296; - s10 += s20 * 654183; - s11 -= s20 * 997805; - s12 += s20 * 136657; - s13 -= s20 * 683901; - - s7 += s19 * 666643; - s8 += s19 * 470296; - s9 += s19 * 654183; - s10 -= s19 * 997805; - s11 += s19 * 136657; - s12 -= s19 * 683901; - - s6 += s18 * 666643; - s7 += s18 * 470296; - s8 += s18 * 654183; - s9 -= s18 * 997805; - s10 += s18 * 136657; - s11 -= s18 * 683901; - - carry6 = (s6 + (1 << 20)) >> 21; - s7 += carry6; - s6 -= carry6 << 21; - carry8 = (s8 + (1 << 20)) >> 21; - s9 += carry8; - s8 -= carry8 << 21; - carry10 = (s10 + (1 << 20)) >> 21; - s11 += carry10; - s10 -= carry10 << 21; - carry12 = (s12 + (1 << 20)) >> 21; - s13 += carry12; - s12 -= carry12 << 21; - carry14 = (s14 + (1 << 20)) >> 21; - s15 += carry14; - s14 -= carry14 << 21; - carry16 = (s16 + (1 << 20)) >> 21; - s17 += carry16; - s16 -= carry16 << 21; - - carry7 = (s7 + (1 << 20)) >> 21; - s8 += carry7; - s7 -= carry7 << 21; - carry9 = (s9 + (1 << 20)) >> 21; - s10 += carry9; - s9 -= carry9 << 21; - carry11 = (s11 + (1 << 20)) >> 21; - s12 += carry11; - s11 -= carry11 << 21; - carry13 = (s13 + (1 << 20)) >> 21; - s14 += carry13; - s13 -= carry13 << 21; - carry15 = (s15 + (1 << 20)) >> 21; - s16 += carry15; - s15 -= carry15 << 21; - - s5 += s17 * 666643; - s6 += s17 * 470296; - s7 += s17 * 654183; - s8 -= s17 * 997805; - s9 += s17 * 136657; - s10 -= s17 * 683901; - - s4 += s16 * 666643; - s5 += s16 * 470296; - s6 += s16 * 654183; - s7 -= s16 * 997805; - s8 += s16 * 136657; - s9 -= s16 * 683901; - - s3 += s15 * 666643; - s4 += s15 * 470296; - s5 += s15 * 654183; - s6 -= s15 * 997805; - s7 += s15 * 136657; - s8 -= s15 * 683901; - - s2 += s14 * 666643; - s3 += s14 * 470296; - s4 += s14 * 654183; - s5 -= s14 * 997805; - s6 += s14 * 136657; - s7 -= s14 * 683901; - - s1 += s13 * 666643; - s2 += s13 * 470296; - s3 += s13 * 654183; - s4 -= s13 * 997805; - s5 += s13 * 136657; - s6 -= s13 * 683901; - - s0 += s12 * 666643; - s1 += s12 * 470296; - s2 += s12 * 654183; - s3 -= s12 * 997805; - s4 += s12 * 136657; - s5 -= s12 * 683901; - s12 = 0; - - carry0 = (s0 + (1 << 20)) >> 21; - s1 += carry0; - s0 -= carry0 << 21; - carry2 = (s2 + (1 << 20)) >> 21; - s3 += carry2; - s2 -= carry2 << 21; - carry4 = (s4 + (1 << 20)) >> 21; - s5 += carry4; - s4 -= carry4 << 21; - carry6 = (s6 + (1 << 20)) >> 21; - s7 += carry6; - s6 -= carry6 << 21; - carry8 = (s8 + (1 << 20)) >> 21; - s9 += carry8; - s8 -= carry8 << 21; - carry10 = (s10 + (1 << 20)) >> 21; - s11 += carry10; - s10 -= carry10 << 21; - - carry1 = (s1 + (1 << 20)) >> 21; - s2 += carry1; - s1 -= carry1 << 21; - carry3 = (s3 + (1 << 20)) >> 21; - s4 += carry3; - s3 -= carry3 << 21; - carry5 = (s5 + (1 << 20)) >> 21; - s6 += carry5; - s5 -= carry5 << 21; - carry7 = (s7 + (1 << 20)) >> 21; - s8 += carry7; - s7 -= carry7 << 21; - carry9 = (s9 + (1 << 20)) >> 21; - s10 += carry9; - s9 -= carry9 << 21; - carry11 = (s11 + (1 << 20)) >> 21; - s12 += carry11; - s11 -= carry11 << 21; - - s0 += s12 * 666643; - s1 += s12 * 470296; - s2 += s12 * 654183; - s3 -= s12 * 997805; - s4 += s12 * 136657; - s5 -= s12 * 683901; - s12 = 0; - - carry0 = s0 >> 21; - s1 += carry0; - s0 -= carry0 << 21; - carry1 = s1 >> 21; - s2 += carry1; - s1 -= carry1 << 21; - carry2 = s2 >> 21; - s3 += carry2; - s2 -= carry2 << 21; - carry3 = s3 >> 21; - s4 += carry3; - s3 -= carry3 << 21; - carry4 = s4 >> 21; - s5 += carry4; - s4 -= carry4 << 21; - carry5 = s5 >> 21; - s6 += carry5; - s5 -= carry5 << 21; - carry6 = s6 >> 21; - s7 += carry6; - s6 -= carry6 << 21; - carry7 = s7 >> 21; - s8 += carry7; - s7 -= carry7 << 21; - carry8 = s8 >> 21; - s9 += carry8; - s8 -= carry8 << 21; - carry9 = s9 >> 21; - s10 += carry9; - s9 -= carry9 << 21; - carry10 = s10 >> 21; - s11 += carry10; - s10 -= carry10 << 21; - carry11 = s11 >> 21; - s12 += carry11; - s11 -= carry11 << 21; - - s0 += s12 * 666643; - s1 += s12 * 470296; - s2 += s12 * 654183; - s3 -= s12 * 997805; - s4 += s12 * 136657; - s5 -= s12 * 683901; - - carry0 = s0 >> 21; - s1 += carry0; - s0 -= carry0 << 21; - carry1 = s1 >> 21; - s2 += carry1; - s1 -= carry1 << 21; - carry2 = s2 >> 21; - s3 += carry2; - s2 -= carry2 << 21; - carry3 = s3 >> 21; - s4 += carry3; - s3 -= carry3 << 21; - carry4 = s4 >> 21; - s5 += carry4; - s4 -= carry4 << 21; - carry5 = s5 >> 21; - s6 += carry5; - s5 -= carry5 << 21; - carry6 = s6 >> 21; - s7 += carry6; - s6 -= carry6 << 21; - carry7 = s7 >> 21; - s8 += carry7; - s7 -= carry7 << 21; - carry8 = s8 >> 21; - s9 += carry8; - s8 -= carry8 << 21; - carry9 = s9 >> 21; - s10 += carry9; - s9 -= carry9 << 21; - carry10 = s10 >> 21; - s11 += carry10; - s10 -= carry10 << 21; - - s[0] = s0 >> 0; - s[1] = s0 >> 8; - s[2] = (s0 >> 16) | (s1 << 5); - s[3] = s1 >> 3; - s[4] = s1 >> 11; - s[5] = (s1 >> 19) | (s2 << 2); - s[6] = s2 >> 6; - s[7] = (s2 >> 14) | (s3 << 7); - s[8] = s3 >> 1; - s[9] = s3 >> 9; - s[10] = (s3 >> 17) | (s4 << 4); - s[11] = s4 >> 4; - s[12] = s4 >> 12; - s[13] = (s4 >> 20) | (s5 << 1); - s[14] = s5 >> 7; - s[15] = (s5 >> 15) | (s6 << 6); - s[16] = s6 >> 2; - s[17] = s6 >> 10; - s[18] = (s6 >> 18) | (s7 << 3); - s[19] = s7 >> 5; - s[20] = s7 >> 13; - s[21] = s8 >> 0; - s[22] = s8 >> 8; - s[23] = (s8 >> 16) | (s9 << 5); - s[24] = s9 >> 3; - s[25] = s9 >> 11; - s[26] = (s9 >> 19) | (s10 << 2); - s[27] = s10 >> 6; - s[28] = (s10 >> 14) | (s11 << 7); - s[29] = s11 >> 1; - s[30] = s11 >> 9; - s[31] = s11 >> 17; -} - -// copied from above and modified -/* -Input: - a[0]+256*a[1]+...+256^31*a[31] = a - b[0]+256*b[1]+...+256^31*b[31] = b - c[0]+256*c[1]+...+256^31*c[31] = c - -Output: - s[0]+256*s[1]+...+256^31*s[31] = (c+ab) mod l - where l = 2^252 + 27742317777372353535851937790883648493. -*/ - -void sc_muladd( - unsigned char* s, const unsigned char* a, const unsigned char* b, const unsigned char* c) { - int64_t a0 = 2097151 & load_3(a); - int64_t a1 = 2097151 & (load_4(a + 2) >> 5); - int64_t a2 = 2097151 & (load_3(a + 5) >> 2); - int64_t a3 = 2097151 & (load_4(a + 7) >> 7); - int64_t a4 = 2097151 & (load_4(a + 10) >> 4); - int64_t a5 = 2097151 & (load_3(a + 13) >> 1); - int64_t a6 = 2097151 & (load_4(a + 15) >> 6); - int64_t a7 = 2097151 & (load_3(a + 18) >> 3); - int64_t a8 = 2097151 & load_3(a + 21); - int64_t a9 = 2097151 & (load_4(a + 23) >> 5); - int64_t a10 = 2097151 & (load_3(a + 26) >> 2); - int64_t a11 = (load_4(a + 28) >> 7); - int64_t b0 = 2097151 & load_3(b); - int64_t b1 = 2097151 & (load_4(b + 2) >> 5); - int64_t b2 = 2097151 & (load_3(b + 5) >> 2); - int64_t b3 = 2097151 & (load_4(b + 7) >> 7); - int64_t b4 = 2097151 & (load_4(b + 10) >> 4); - int64_t b5 = 2097151 & (load_3(b + 13) >> 1); - int64_t b6 = 2097151 & (load_4(b + 15) >> 6); - int64_t b7 = 2097151 & (load_3(b + 18) >> 3); - int64_t b8 = 2097151 & load_3(b + 21); - int64_t b9 = 2097151 & (load_4(b + 23) >> 5); - int64_t b10 = 2097151 & (load_3(b + 26) >> 2); - int64_t b11 = (load_4(b + 28) >> 7); - int64_t c0 = 2097151 & load_3(c); - int64_t c1 = 2097151 & (load_4(c + 2) >> 5); - int64_t c2 = 2097151 & (load_3(c + 5) >> 2); - int64_t c3 = 2097151 & (load_4(c + 7) >> 7); - int64_t c4 = 2097151 & (load_4(c + 10) >> 4); - int64_t c5 = 2097151 & (load_3(c + 13) >> 1); - int64_t c6 = 2097151 & (load_4(c + 15) >> 6); - int64_t c7 = 2097151 & (load_3(c + 18) >> 3); - int64_t c8 = 2097151 & load_3(c + 21); - int64_t c9 = 2097151 & (load_4(c + 23) >> 5); - int64_t c10 = 2097151 & (load_3(c + 26) >> 2); - int64_t c11 = (load_4(c + 28) >> 7); - int64_t s0; - int64_t s1; - int64_t s2; - int64_t s3; - int64_t s4; - int64_t s5; - int64_t s6; - int64_t s7; - int64_t s8; - int64_t s9; - int64_t s10; - int64_t s11; - int64_t s12; - int64_t s13; - int64_t s14; - int64_t s15; - int64_t s16; - int64_t s17; - int64_t s18; - int64_t s19; - int64_t s20; - int64_t s21; - int64_t s22; - int64_t s23; - int64_t carry0; - int64_t carry1; - int64_t carry2; - int64_t carry3; - int64_t carry4; - int64_t carry5; - int64_t carry6; - int64_t carry7; - int64_t carry8; - int64_t carry9; - int64_t carry10; - int64_t carry11; - int64_t carry12; - int64_t carry13; - int64_t carry14; - int64_t carry15; - int64_t carry16; - int64_t carry17; - int64_t carry18; - int64_t carry19; - int64_t carry20; - int64_t carry21; - int64_t carry22; - - s0 = c0 + a0 * b0; - s1 = c1 + (a0 * b1 + a1 * b0); - s2 = c2 + (a0 * b2 + a1 * b1 + a2 * b0); - s3 = c3 + (a0 * b3 + a1 * b2 + a2 * b1 + a3 * b0); - s4 = c4 + (a0 * b4 + a1 * b3 + a2 * b2 + a3 * b1 + a4 * b0); - s5 = c5 + (a0 * b5 + a1 * b4 + a2 * b3 + a3 * b2 + a4 * b1 + a5 * b0); - s6 = c6 + (a0 * b6 + a1 * b5 + a2 * b4 + a3 * b3 + a4 * b2 + a5 * b1 + a6 * b0); - s7 = c7 + (a0 * b7 + a1 * b6 + a2 * b5 + a3 * b4 + a4 * b3 + a5 * b2 + a6 * b1 + a7 * b0); - s8 = c8 + - (a0 * b8 + a1 * b7 + a2 * b6 + a3 * b5 + a4 * b4 + a5 * b3 + a6 * b2 + a7 * b1 + a8 * b0); - s9 = c9 + (a0 * b9 + a1 * b8 + a2 * b7 + a3 * b6 + a4 * b5 + a5 * b4 + a6 * b3 + a7 * b2 + - a8 * b1 + a9 * b0); - s10 = c10 + (a0 * b10 + a1 * b9 + a2 * b8 + a3 * b7 + a4 * b6 + a5 * b5 + a6 * b4 + a7 * b3 + - a8 * b2 + a9 * b1 + a10 * b0); - s11 = c11 + (a0 * b11 + a1 * b10 + a2 * b9 + a3 * b8 + a4 * b7 + a5 * b6 + a6 * b5 + a7 * b4 + - a8 * b3 + a9 * b2 + a10 * b1 + a11 * b0); - s12 = (a1 * b11 + a2 * b10 + a3 * b9 + a4 * b8 + a5 * b7 + a6 * b6 + a7 * b5 + a8 * b4 + - a9 * b3 + a10 * b2 + a11 * b1); - s13 = (a2 * b11 + a3 * b10 + a4 * b9 + a5 * b8 + a6 * b7 + a7 * b6 + a8 * b5 + a9 * b4 + - a10 * b3 + a11 * b2); - s14 = (a3 * b11 + a4 * b10 + a5 * b9 + a6 * b8 + a7 * b7 + a8 * b6 + a9 * b5 + a10 * b4 + - a11 * b3); - s15 = (a4 * b11 + a5 * b10 + a6 * b9 + a7 * b8 + a8 * b7 + a9 * b6 + a10 * b5 + a11 * b4); - s16 = (a5 * b11 + a6 * b10 + a7 * b9 + a8 * b8 + a9 * b7 + a10 * b6 + a11 * b5); - s17 = (a6 * b11 + a7 * b10 + a8 * b9 + a9 * b8 + a10 * b7 + a11 * b6); - s18 = (a7 * b11 + a8 * b10 + a9 * b9 + a10 * b8 + a11 * b7); - s19 = (a8 * b11 + a9 * b10 + a10 * b9 + a11 * b8); - s20 = (a9 * b11 + a10 * b10 + a11 * b9); - s21 = (a10 * b11 + a11 * b10); - s22 = a11 * b11; - s23 = 0; - - carry0 = (s0 + (1 << 20)) >> 21; - s1 += carry0; - s0 -= carry0 << 21; - carry2 = (s2 + (1 << 20)) >> 21; - s3 += carry2; - s2 -= carry2 << 21; - carry4 = (s4 + (1 << 20)) >> 21; - s5 += carry4; - s4 -= carry4 << 21; - carry6 = (s6 + (1 << 20)) >> 21; - s7 += carry6; - s6 -= carry6 << 21; - carry8 = (s8 + (1 << 20)) >> 21; - s9 += carry8; - s8 -= carry8 << 21; - carry10 = (s10 + (1 << 20)) >> 21; - s11 += carry10; - s10 -= carry10 << 21; - carry12 = (s12 + (1 << 20)) >> 21; - s13 += carry12; - s12 -= carry12 << 21; - carry14 = (s14 + (1 << 20)) >> 21; - s15 += carry14; - s14 -= carry14 << 21; - carry16 = (s16 + (1 << 20)) >> 21; - s17 += carry16; - s16 -= carry16 << 21; - carry18 = (s18 + (1 << 20)) >> 21; - s19 += carry18; - s18 -= carry18 << 21; - carry20 = (s20 + (1 << 20)) >> 21; - s21 += carry20; - s20 -= carry20 << 21; - carry22 = (s22 + (1 << 20)) >> 21; - s23 += carry22; - s22 -= carry22 << 21; - - carry1 = (s1 + (1 << 20)) >> 21; - s2 += carry1; - s1 -= carry1 << 21; - carry3 = (s3 + (1 << 20)) >> 21; - s4 += carry3; - s3 -= carry3 << 21; - carry5 = (s5 + (1 << 20)) >> 21; - s6 += carry5; - s5 -= carry5 << 21; - carry7 = (s7 + (1 << 20)) >> 21; - s8 += carry7; - s7 -= carry7 << 21; - carry9 = (s9 + (1 << 20)) >> 21; - s10 += carry9; - s9 -= carry9 << 21; - carry11 = (s11 + (1 << 20)) >> 21; - s12 += carry11; - s11 -= carry11 << 21; - carry13 = (s13 + (1 << 20)) >> 21; - s14 += carry13; - s13 -= carry13 << 21; - carry15 = (s15 + (1 << 20)) >> 21; - s16 += carry15; - s15 -= carry15 << 21; - carry17 = (s17 + (1 << 20)) >> 21; - s18 += carry17; - s17 -= carry17 << 21; - carry19 = (s19 + (1 << 20)) >> 21; - s20 += carry19; - s19 -= carry19 << 21; - carry21 = (s21 + (1 << 20)) >> 21; - s22 += carry21; - s21 -= carry21 << 21; - - s11 += s23 * 666643; - s12 += s23 * 470296; - s13 += s23 * 654183; - s14 -= s23 * 997805; - s15 += s23 * 136657; - s16 -= s23 * 683901; - - s10 += s22 * 666643; - s11 += s22 * 470296; - s12 += s22 * 654183; - s13 -= s22 * 997805; - s14 += s22 * 136657; - s15 -= s22 * 683901; - - s9 += s21 * 666643; - s10 += s21 * 470296; - s11 += s21 * 654183; - s12 -= s21 * 997805; - s13 += s21 * 136657; - s14 -= s21 * 683901; - - s8 += s20 * 666643; - s9 += s20 * 470296; - s10 += s20 * 654183; - s11 -= s20 * 997805; - s12 += s20 * 136657; - s13 -= s20 * 683901; - - s7 += s19 * 666643; - s8 += s19 * 470296; - s9 += s19 * 654183; - s10 -= s19 * 997805; - s11 += s19 * 136657; - s12 -= s19 * 683901; - - s6 += s18 * 666643; - s7 += s18 * 470296; - s8 += s18 * 654183; - s9 -= s18 * 997805; - s10 += s18 * 136657; - s11 -= s18 * 683901; - - carry6 = (s6 + (1 << 20)) >> 21; - s7 += carry6; - s6 -= carry6 << 21; - carry8 = (s8 + (1 << 20)) >> 21; - s9 += carry8; - s8 -= carry8 << 21; - carry10 = (s10 + (1 << 20)) >> 21; - s11 += carry10; - s10 -= carry10 << 21; - carry12 = (s12 + (1 << 20)) >> 21; - s13 += carry12; - s12 -= carry12 << 21; - carry14 = (s14 + (1 << 20)) >> 21; - s15 += carry14; - s14 -= carry14 << 21; - carry16 = (s16 + (1 << 20)) >> 21; - s17 += carry16; - s16 -= carry16 << 21; - - carry7 = (s7 + (1 << 20)) >> 21; - s8 += carry7; - s7 -= carry7 << 21; - carry9 = (s9 + (1 << 20)) >> 21; - s10 += carry9; - s9 -= carry9 << 21; - carry11 = (s11 + (1 << 20)) >> 21; - s12 += carry11; - s11 -= carry11 << 21; - carry13 = (s13 + (1 << 20)) >> 21; - s14 += carry13; - s13 -= carry13 << 21; - carry15 = (s15 + (1 << 20)) >> 21; - s16 += carry15; - s15 -= carry15 << 21; - - s5 += s17 * 666643; - s6 += s17 * 470296; - s7 += s17 * 654183; - s8 -= s17 * 997805; - s9 += s17 * 136657; - s10 -= s17 * 683901; - - s4 += s16 * 666643; - s5 += s16 * 470296; - s6 += s16 * 654183; - s7 -= s16 * 997805; - s8 += s16 * 136657; - s9 -= s16 * 683901; - - s3 += s15 * 666643; - s4 += s15 * 470296; - s5 += s15 * 654183; - s6 -= s15 * 997805; - s7 += s15 * 136657; - s8 -= s15 * 683901; - - s2 += s14 * 666643; - s3 += s14 * 470296; - s4 += s14 * 654183; - s5 -= s14 * 997805; - s6 += s14 * 136657; - s7 -= s14 * 683901; - - s1 += s13 * 666643; - s2 += s13 * 470296; - s3 += s13 * 654183; - s4 -= s13 * 997805; - s5 += s13 * 136657; - s6 -= s13 * 683901; - - s0 += s12 * 666643; - s1 += s12 * 470296; - s2 += s12 * 654183; - s3 -= s12 * 997805; - s4 += s12 * 136657; - s5 -= s12 * 683901; - s12 = 0; - - carry0 = (s0 + (1 << 20)) >> 21; - s1 += carry0; - s0 -= carry0 << 21; - carry2 = (s2 + (1 << 20)) >> 21; - s3 += carry2; - s2 -= carry2 << 21; - carry4 = (s4 + (1 << 20)) >> 21; - s5 += carry4; - s4 -= carry4 << 21; - carry6 = (s6 + (1 << 20)) >> 21; - s7 += carry6; - s6 -= carry6 << 21; - carry8 = (s8 + (1 << 20)) >> 21; - s9 += carry8; - s8 -= carry8 << 21; - carry10 = (s10 + (1 << 20)) >> 21; - s11 += carry10; - s10 -= carry10 << 21; - - carry1 = (s1 + (1 << 20)) >> 21; - s2 += carry1; - s1 -= carry1 << 21; - carry3 = (s3 + (1 << 20)) >> 21; - s4 += carry3; - s3 -= carry3 << 21; - carry5 = (s5 + (1 << 20)) >> 21; - s6 += carry5; - s5 -= carry5 << 21; - carry7 = (s7 + (1 << 20)) >> 21; - s8 += carry7; - s7 -= carry7 << 21; - carry9 = (s9 + (1 << 20)) >> 21; - s10 += carry9; - s9 -= carry9 << 21; - carry11 = (s11 + (1 << 20)) >> 21; - s12 += carry11; - s11 -= carry11 << 21; - - s0 += s12 * 666643; - s1 += s12 * 470296; - s2 += s12 * 654183; - s3 -= s12 * 997805; - s4 += s12 * 136657; - s5 -= s12 * 683901; - s12 = 0; - - carry0 = s0 >> 21; - s1 += carry0; - s0 -= carry0 << 21; - carry1 = s1 >> 21; - s2 += carry1; - s1 -= carry1 << 21; - carry2 = s2 >> 21; - s3 += carry2; - s2 -= carry2 << 21; - carry3 = s3 >> 21; - s4 += carry3; - s3 -= carry3 << 21; - carry4 = s4 >> 21; - s5 += carry4; - s4 -= carry4 << 21; - carry5 = s5 >> 21; - s6 += carry5; - s5 -= carry5 << 21; - carry6 = s6 >> 21; - s7 += carry6; - s6 -= carry6 << 21; - carry7 = s7 >> 21; - s8 += carry7; - s7 -= carry7 << 21; - carry8 = s8 >> 21; - s9 += carry8; - s8 -= carry8 << 21; - carry9 = s9 >> 21; - s10 += carry9; - s9 -= carry9 << 21; - carry10 = s10 >> 21; - s11 += carry10; - s10 -= carry10 << 21; - carry11 = s11 >> 21; - s12 += carry11; - s11 -= carry11 << 21; - - s0 += s12 * 666643; - s1 += s12 * 470296; - s2 += s12 * 654183; - s3 -= s12 * 997805; - s4 += s12 * 136657; - s5 -= s12 * 683901; - - carry0 = s0 >> 21; - s1 += carry0; - s0 -= carry0 << 21; - carry1 = s1 >> 21; - s2 += carry1; - s1 -= carry1 << 21; - carry2 = s2 >> 21; - s3 += carry2; - s2 -= carry2 << 21; - carry3 = s3 >> 21; - s4 += carry3; - s3 -= carry3 << 21; - carry4 = s4 >> 21; - s5 += carry4; - s4 -= carry4 << 21; - carry5 = s5 >> 21; - s6 += carry5; - s5 -= carry5 << 21; - carry6 = s6 >> 21; - s7 += carry6; - s6 -= carry6 << 21; - carry7 = s7 >> 21; - s8 += carry7; - s7 -= carry7 << 21; - carry8 = s8 >> 21; - s9 += carry8; - s8 -= carry8 << 21; - carry9 = s9 >> 21; - s10 += carry9; - s9 -= carry9 << 21; - carry10 = s10 >> 21; - s11 += carry10; - s10 -= carry10 << 21; - - s[0] = s0 >> 0; - s[1] = s0 >> 8; - s[2] = (s0 >> 16) | (s1 << 5); - s[3] = s1 >> 3; - s[4] = s1 >> 11; - s[5] = (s1 >> 19) | (s2 << 2); - s[6] = s2 >> 6; - s[7] = (s2 >> 14) | (s3 << 7); - s[8] = s3 >> 1; - s[9] = s3 >> 9; - s[10] = (s3 >> 17) | (s4 << 4); - s[11] = s4 >> 4; - s[12] = s4 >> 12; - s[13] = (s4 >> 20) | (s5 << 1); - s[14] = s5 >> 7; - s[15] = (s5 >> 15) | (s6 << 6); - s[16] = s6 >> 2; - s[17] = s6 >> 10; - s[18] = (s6 >> 18) | (s7 << 3); - s[19] = s7 >> 5; - s[20] = s7 >> 13; - s[21] = s8 >> 0; - s[22] = s8 >> 8; - s[23] = (s8 >> 16) | (s9 << 5); - s[24] = s9 >> 3; - s[25] = s9 >> 11; - s[26] = (s9 >> 19) | (s10 << 2); - s[27] = s10 >> 6; - s[28] = (s10 >> 14) | (s11 << 7); - s[29] = s11 >> 1; - s[30] = s11 >> 9; - s[31] = s11 >> 17; -} - -static int64_t signum(int64_t a) { - return a > 0 ? 1 : a < 0 ? -1 : 0; -} - -int sc_check(const unsigned char* s) { - int64_t s0 = load_4(s); - int64_t s1 = load_4(s + 4); - int64_t s2 = load_4(s + 8); - int64_t s3 = load_4(s + 12); - int64_t s4 = load_4(s + 16); - int64_t s5 = load_4(s + 20); - int64_t s6 = load_4(s + 24); - int64_t s7 = load_4(s + 28); - return (signum(1559614444 - s0) + (signum(1477600026 - s1) << 1) + - (signum(2734136534 - s2) << 2) + (signum(350157278 - s3) << 3) + (signum(-s4) << 4) + - (signum(-s5) << 5) + (signum(-s6) << 6) + (signum(268435456 - s7) << 7)) >> - 8; -} - -int sc_isnonzero(const unsigned char* s) { - return (((int)(s[0] | s[1] | s[2] | s[3] | s[4] | s[5] | s[6] | s[7] | s[8] | s[9] | s[10] | - s[11] | s[12] | s[13] | s[14] | s[15] | s[16] | s[17] | s[18] | s[19] | s[20] | - s[21] | s[22] | s[23] | s[24] | s[25] | s[26] | s[27] | s[28] | s[29] | s[30] | - s[31]) - - 1) >> - 8) + - 1; -} - -int ge_p3_is_point_at_infinity(const ge_p3* p) { - // X = 0 and Y == Z - int n; - for (n = 0; n < 10; ++n) { - if (p->X[n] | p->T[n]) - return 0; - if (p->Y[n] != p->Z[n]) - return 0; - } - return 1; -} diff --git a/src/crypto/crypto-ops.h b/src/crypto/crypto-ops.h deleted file mode 100644 index 55a0dd4..0000000 --- a/src/crypto/crypto-ops.h +++ /dev/null @@ -1,185 +0,0 @@ -// Copyright (c) 2014-2019, The Monero Project -// -// All rights reserved. -// -// Redistribution and use in source and binary forms, with or without modification, are -// permitted provided that the following conditions are met: -// -// 1. Redistributions of source code must retain the above copyright notice, this list of -// conditions and the following disclaimer. -// -// 2. Redistributions in binary form must reproduce the above copyright notice, this list -// of conditions and the following disclaimer in the documentation and/or other -// materials provided with the distribution. -// -// 3. Neither the name of the copyright holder nor the names of its contributors may be -// used to endorse or promote products derived from this software without specific -// prior written permission. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY -// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF -// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL -// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, -// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, -// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF -// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -// -// Parts of this file are originally copyright (c) 2012-2013 The Cryptonote developers - -#pragma once -#include - -/* From fe.h */ - -typedef int32_t fe[10]; - -/* From ge.h */ - -typedef struct { - fe X; - fe Y; - fe Z; -} ge_p2; - -typedef struct { - fe X; - fe Y; - fe Z; - fe T; -} ge_p3; - -typedef struct { - fe X; - fe Y; - fe Z; - fe T; -} ge_p1p1; - -typedef struct { - fe yplusx; - fe yminusx; - fe xy2d; -} ge_precomp; - -typedef struct { - fe YplusX; - fe YminusX; - fe Z; - fe T2d; -} ge_cached; - -/* From ge_add.c */ - -void ge_add(ge_p1p1*, const ge_p3*, const ge_cached*); - -/* From ge_double_scalarmult.c, modified */ - -typedef ge_cached ge_dsmp[8]; -extern const ge_precomp ge_Bi[8]; -void ge_dsm_precomp(ge_dsmp r, const ge_p3* s); -void ge_double_scalarmult_base_vartime( - ge_p2*, const unsigned char*, const ge_p3*, const unsigned char*); -void ge_triple_scalarmult_base_vartime( - ge_p2*, - const unsigned char*, - const unsigned char*, - const ge_dsmp, - const unsigned char*, - const ge_dsmp); -void ge_double_scalarmult_base_vartime_p3( - ge_p3*, const unsigned char*, const ge_p3*, const unsigned char*); - -/* From ge_frombytes.c, modified */ - -extern const fe fe_sqrtm1; -extern const fe fe_d; -int ge_frombytes_vartime(ge_p3*, const unsigned char*); - -/* From ge_p1p1_to_p2.c */ - -void ge_p1p1_to_p2(ge_p2*, const ge_p1p1*); - -/* From ge_p1p1_to_p3.c */ - -void ge_p1p1_to_p3(ge_p3*, const ge_p1p1*); - -/* From ge_p2_dbl.c */ - -void ge_p2_dbl(ge_p1p1*, const ge_p2*); - -/* From ge_p3_to_cached.c */ - -extern const fe fe_d2; -void ge_p3_to_cached(ge_cached*, const ge_p3*); - -/* From ge_p3_to_p2.c */ - -void ge_p3_to_p2(ge_p2*, const ge_p3*); - -/* From ge_p3_tobytes.c */ - -void ge_p3_tobytes(unsigned char*, const ge_p3*); - -/* From ge_scalarmult_base.c */ - -extern const ge_precomp ge_base[32][8]; -void ge_scalarmult_base(ge_p3*, const unsigned char*); - -/* From ge_tobytes.c */ - -void ge_tobytes(unsigned char*, const ge_p2*); - -/* From sc_reduce.c */ - -void sc_reduce(unsigned char*); - -/* New code */ - -void ge_scalarmult(ge_p2*, const unsigned char*, const ge_p3*); -void ge_scalarmult_p3(ge_p3*, const unsigned char*, const ge_p3*); -void ge_double_scalarmult_precomp_vartime( - ge_p2*, const unsigned char*, const ge_p3*, const unsigned char*, const ge_dsmp); -void ge_triple_scalarmult_precomp_vartime( - ge_p2*, - const unsigned char*, - const ge_dsmp, - const unsigned char*, - const ge_dsmp, - const unsigned char*, - const ge_dsmp); -void ge_double_scalarmult_precomp_vartime2( - ge_p2*, const unsigned char*, const ge_dsmp, const unsigned char*, const ge_dsmp); -void ge_double_scalarmult_precomp_vartime2_p3( - ge_p3*, const unsigned char*, const ge_dsmp, const unsigned char*, const ge_dsmp); -void ge_mul8(ge_p1p1*, const ge_p2*); -extern const fe fe_ma2; -extern const fe fe_ma; -extern const fe fe_fffb1; -extern const fe fe_fffb2; -extern const fe fe_fffb3; -extern const fe fe_fffb4; -extern const ge_p3 ge_p3_identity; -extern const ge_p3 ge_p3_H; -void ge_fromfe_frombytes_vartime(ge_p2*, const unsigned char*); -void sc_0(unsigned char*); -void sc_reduce32(unsigned char*); -void sc_add(unsigned char*, const unsigned char*, const unsigned char*); -void sc_sub(unsigned char*, const unsigned char*, const unsigned char*); -void sc_mulsub(unsigned char*, const unsigned char*, const unsigned char*, const unsigned char*); -void sc_mul(unsigned char*, const unsigned char*, const unsigned char*); -void sc_muladd( - unsigned char* s, const unsigned char* a, const unsigned char* b, const unsigned char* c); -int sc_check(const unsigned char*); -int sc_isnonzero(const unsigned char*); /* Doesn't normalize */ - -// internal -uint64_t load_3(const unsigned char* in); -uint64_t load_4(const unsigned char* in); -void ge_sub(ge_p1p1* r, const ge_p3* p, const ge_cached* q); -void fe_add(fe h, const fe f, const fe g); -void fe_tobytes(unsigned char*, const fe); -void fe_invert(fe out, const fe z); - -int ge_p3_is_point_at_infinity(const ge_p3* p); diff --git a/src/crypto/crypto_ops_builder/Makefile b/src/crypto/crypto_ops_builder/Makefile deleted file mode 100755 index 69b0d3b..0000000 --- a/src/crypto/crypto_ops_builder/Makefile +++ /dev/null @@ -1,10 +0,0 @@ - -CC=gcc -CFLAGS=-O2 -Wall - -OBJS= fe25519.o ge25519.o sc25519.o sha512-blocks.o sha512-hash.o ed25519.o randombytes.o verify.o -test: test.o $(OBJS) - gcc -o $@ $^ - -clean: - rm -f *.o test diff --git a/src/crypto/crypto_ops_builder/README.md b/src/crypto/crypto_ops_builder/README.md deleted file mode 100644 index 4bb95cc..0000000 --- a/src/crypto/crypto_ops_builder/README.md +++ /dev/null @@ -1,21 +0,0 @@ -# Monero - -Copyright (c) 2014-2019, The Monero Project - -## Crypto Ops Builder - -In order to ensure the safest implementation of the cryptography in use by Monero we have opted to use the SUPERCOP ref10 implementations wherever possible. The main reason is that SUPERCOP ref10 is old, well tested, and primarily the work of Daniel J. Bernstein and Tanja Lange (among others, see ```designers``` in the ref10 folder). This is particularly relevant, as the team that designed Curve25519 and EdDSA, both of which are at Monero's core, is the same team that created the SUPERCOP implementation. - -SUPERCOP ref10 is a fairly secure implementation that focuses on things like constant-time algorithms, to reduce side-channel attacks, sometimes at the cost of performance. However, we consider this a fair trade-off, especially considering that Monero is not that performance sensitive at this stage. In future we may consider faster implementations that still have a measure of safety against side-channel attacks. - -## Additional Cryptography - -Unfortunately SUPERCOP ref10 does not contain every function Monero's ```crypto-ops``` class needs. Thus there are several new files in the ```ref10CommentedCombined``` folder which allow for the class to be built during compilation. The original ref10 is included in the source tree in order to allow for a comparison to be made between the two, and also to allow for a quick comparison to be made between our in-source copy of SUPERCOP ref10 and an independently downloaded copy. - -## Usage - -The operation to produce the ```crypto-ops.c``` is automatic and part of the build process. If, however, you want to manually run the build process to verify the output, you can use ```MakeCryptoOps.py```. - -## Attribution - -The majority of the work we are using is from SUPERCOP, and copyrights and attribution fall to those developers and cryptographers. Beyond that we also include some of the original CryptoNote reference code. The entire build process, and all of the work analysing the functions and figuring out what comes from where, has been done by the Monero Research Lab. Shen Noether, in particular, deserves the bulk of the attribution for that. diff --git a/src/crypto/crypto_ops_builder/api.h b/src/crypto/crypto_ops_builder/api.h deleted file mode 100755 index 6033959..0000000 --- a/src/crypto/crypto_ops_builder/api.h +++ /dev/null @@ -1,2 +0,0 @@ -#define CRYPTO_BYTES 32 -#define CRYPTO_SCALARBYTES 32 diff --git a/src/crypto/crypto_ops_builder/crypto-ops-data.c b/src/crypto/crypto_ops_builder/crypto-ops-data.c deleted file mode 100644 index 929675c..0000000 --- a/src/crypto/crypto_ops_builder/crypto-ops-data.c +++ /dev/null @@ -1,8042 +0,0 @@ -// Copyright (c) 2014-2019, The Monero Project -// -// All rights reserved. -// -// Redistribution and use in source and binary forms, with or without modification, are -// permitted provided that the following conditions are met: -// -// 1. Redistributions of source code must retain the above copyright notice, this list of -// conditions and the following disclaimer. -// -// 2. Redistributions in binary form must reproduce the above copyright notice, this list -// of conditions and the following disclaimer in the documentation and/or other -// materials provided with the distribution. -// -// 3. Neither the name of the copyright holder nor the names of its contributors may be -// used to endorse or promote products derived from this software without specific -// prior written permission. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY -// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF -// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL -// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, -// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, -// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF -// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -// -// Parts of this file are originally copyright (c) 2012-2013 The Cryptonote developers - -#include - -#include "crypto-ops.h" - -/* sqrt(x) is such an integer y that 0 <= y <= p - 1, y % 2 = 0, and y^2 = x (mod p). */ -/* d = -121665 / 121666 */ -const fe fe_d = { - -10913610, - 13857413, - -15372611, - 6949391, - 114729, - -8787816, - -6275908, - -3247719, - -18696448, - -12055116}; /* d */ -const fe fe_sqrtm1 = { - -32595792, - -7943725, - 9377950, - 3500415, - 12389472, - -272473, - -25146209, - -2005654, - 326686, - 11406482}; /* sqrt(-1) */ -const fe fe_d2 = { - -21827239, - -5839606, - -30745221, - 13898782, - 229458, - 15978800, - -12551817, - -6495438, - 29715968, - 9444199}; /* 2 * d */ - -/* base[i][j] = (j+1)*256^i*B */ -const ge_precomp ge_base[32][8] = { - {{{25967493, - -14356035, - 29566456, - 3660896, - -12694345, - 4014787, - 27544626, - -11754271, - -6079156, - 2047605}, - {-12545711, - 934262, - -2722910, - 3049990, - -727428, - 9406986, - 12720692, - 5043384, - 19500929, - -15469378}, - {-8738181, - 4489570, - 9688441, - -14785194, - 10184609, - -12363380, - 29287919, - 11864899, - -24514362, - -4438546}}, - {{-12815894, - -12976347, - -21581243, - 11784320, - -25355658, - -2750717, - -11717903, - -3814571, - -358445, - -10211303}, - {-21703237, - 6903825, - 27185491, - 6451973, - -29577724, - -9554005, - -15616551, - 11189268, - -26829678, - -5319081}, - {26966642, - 11152617, - 32442495, - 15396054, - 14353839, - -12752335, - -3128826, - -9541118, - -15472047, - -4166697}}, - {{15636291, - -9688557, - 24204773, - -7912398, - 616977, - -16685262, - 27787600, - -14772189, - 28944400, - -1550024}, - {16568933, - 4717097, - -11556148, - -1102322, - 15682896, - -11807043, - 16354577, - -11775962, - 7689662, - 11199574}, - {30464156, - -5976125, - -11779434, - -15670865, - 23220365, - 15915852, - 7512774, - 10017326, - -17749093, - -9920357}}, - {{-17036878, - 13921892, - 10945806, - -6033431, - 27105052, - -16084379, - -28926210, - 15006023, - 3284568, - -6276540}, - {23599295, - -8306047, - -11193664, - -7687416, - 13236774, - 10506355, - 7464579, - 9656445, - 13059162, - 10374397}, - {7798556, - 16710257, - 3033922, - 2874086, - 28997861, - 2835604, - 32406664, - -3839045, - -641708, - -101325}}, - {{10861363, - 11473154, - 27284546, - 1981175, - -30064349, - 12577861, - 32867885, - 14515107, - -15438304, - 10819380}, - {4708026, - 6336745, - 20377586, - 9066809, - -11272109, - 6594696, - -25653668, - 12483688, - -12668491, - 5581306}, - {19563160, - 16186464, - -29386857, - 4097519, - 10237984, - -4348115, - 28542350, - 13850243, - -23678021, - -15815942}}, - {{-15371964, - -12862754, - 32573250, - 4720197, - -26436522, - 5875511, - -19188627, - -15224819, - -9818940, - -12085777}, - {-8549212, - 109983, - 15149363, - 2178705, - 22900618, - 4543417, - 3044240, - -15689887, - 1762328, - 14866737}, - {-18199695, - -15951423, - -10473290, - 1707278, - -17185920, - 3916101, - -28236412, - 3959421, - 27914454, - 4383652}}, - {{5153746, - 9909285, - 1723747, - -2777874, - 30523605, - 5516873, - 19480852, - 5230134, - -23952439, - -15175766}, - {-30269007, - -3463509, - 7665486, - 10083793, - 28475525, - 1649722, - 20654025, - 16520125, - 30598449, - 7715701}, - {28881845, - 14381568, - 9657904, - 3680757, - -20181635, - 7843316, - -31400660, - 1370708, - 29794553, - -1409300}}, - {{14499471, - -2729599, - -33191113, - -4254652, - 28494862, - 14271267, - 30290735, - 10876454, - -33154098, - 2381726}, - {-7195431, - -2655363, - -14730155, - 462251, - -27724326, - 3941372, - -6236617, - 3696005, - -32300832, - 15351955}, - {27431194, - 8222322, - 16448760, - -3907995, - -18707002, - 11938355, - -32961401, - -2970515, - 29551813, - 10109425}}}, - {{{-13657040, - -13155431, - -31283750, - 11777098, - 21447386, - 6519384, - -2378284, - -1627556, - 10092783, - -4764171}, - {27939166, - 14210322, - 4677035, - 16277044, - -22964462, - -12398139, - -32508754, - 12005538, - -17810127, - 12803510}, - {17228999, - -15661624, - -1233527, - 300140, - -1224870, - -11714777, - 30364213, - -9038194, - 18016357, - 4397660}}, - {{-10958843, - -7690207, - 4776341, - -14954238, - 27850028, - -15602212, - -26619106, - 14544525, - -17477504, - 982639}, - {29253598, - 15796703, - -2863982, - -9908884, - 10057023, - 3163536, - 7332899, - -4120128, - -21047696, - 9934963}, - {5793303, - 16271923, - -24131614, - -10116404, - 29188560, - 1206517, - -14747930, - 4559895, - -30123922, - -10897950}}, - {{-27643952, - -11493006, - 16282657, - -11036493, - 28414021, - -15012264, - 24191034, - 4541697, - -13338309, - 5500568}, - {12650548, - -1497113, - 9052871, - 11355358, - -17680037, - -8400164, - -17430592, - 12264343, - 10874051, - 13524335}, - {25556948, - -3045990, - 714651, - 2510400, - 23394682, - -10415330, - 33119038, - 5080568, - -22528059, - 5376628}}, - {{-26088264, - -4011052, - -17013699, - -3537628, - -6726793, - 1920897, - -22321305, - -9447443, - 4535768, - 1569007}, - {-2255422, - 14606630, - -21692440, - -8039818, - 28430649, - 8775819, - -30494562, - 3044290, - 31848280, - 12543772}, - {-22028579, - 2943893, - -31857513, - 6777306, - 13784462, - -4292203, - -27377195, - -2062731, - 7718482, - 14474653}}, - {{2385315, - 2454213, - -22631320, - 46603, - -4437935, - -15680415, - 656965, - -7236665, - 24316168, - -5253567}, - {13741529, - 10911568, - -33233417, - -8603737, - -20177830, - -1033297, - 33040651, - -13424532, - -20729456, - 8321686}, - {21060490, - -2212744, - 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16788528, - -5868942}, - {-1947386, - 16013773, - 21750665, - 3714552, - -17401782, - -16055433, - -3770287, - -10323320, - 31322514, - -11615635}, - {21426655, - -5650218, - -13648287, - -5347537, - -28812189, - -4920970, - -18275391, - -14621414, - 13040862, - -12112948}}, - {{11293895, - 12478086, - -27136401, - 15083750, - -29307421, - 14748872, - 14555558, - -13417103, - 1613711, - 4896935}, - {-25894883, - 15323294, - -8489791, - -8057900, - 25967126, - -13425460, - 2825960, - -4897045, - -23971776, - -11267415}, - {-15924766, - -5229880, - -17443532, - 6410664, - 3622847, - 10243618, - 20615400, - 12405433, - -23753030, - -8436416}}, - {{-7091295, - 12556208, - -20191352, - 9025187, - -17072479, - 4333801, - 4378436, - 2432030, - 23097949, - -566018}, - {4565804, - -16025654, - 20084412, - -7842817, - 1724999, - 189254, - 24767264, - 10103221, - -18512313, - 2424778}, - {366633, - -11976806, - 8173090, - -6890119, - 30788634, - 5745705, - -7168678, - 1344109, - -3642553, - 12412659}}, - {{-24001791, - 7690286, - 14929416, - -168257, - -32210835, - -13412986, - 24162697, - -15326504, - -3141501, - 11179385}, - {18289522, - -14724954, - 8056945, - 16430056, - -21729724, - 7842514, - -6001441, - -1486897, - -18684645, - -11443503}, - {476239, - 6601091, - -6152790, - -9723375, - 17503545, - -4863900, - 27672959, - 13403813, - 11052904, - 5219329}}}, - {{{20678546, - -8375738, - -32671898, - 8849123, - -5009758, - 14574752, - 31186971, - -3973730, - 9014762, - -8579056}, - {-13644050, - -10350239, - -15962508, - 5075808, - -1514661, - -11534600, - -33102500, - 9160280, - 8473550, - -3256838}, - {24900749, - 14435722, - 17209120, - -15292541, - -22592275, - 9878983, - -7689309, - -16335821, - -24568481, - 11788948}}, - {{-3118155, - -11395194, - -13802089, - 14797441, - 9652448, - -6845904, - -20037437, - 10410733, - -24568470, - -1458691}, - {-15659161, - 16736706, - -22467150, - 10215878, - -9097177, - 7563911, - 11871841, - -12505194, - -18513325, - 8464118}, - {-23400612, - 8348507, - -14585951, - -861714, - -3950205, - -6373419, - 14325289, - 8628612, - 33313881, - -8370517}}, - {{-20186973, - -4967935, - 22367356, - 5271547, - -1097117, - -4788838, - -24805667, - -10236854, - -8940735, - -5818269}, - {-6948785, - -1795212, - -32625683, - -16021179, - 32635414, - -7374245, - 15989197, - -12838188, - 28358192, - -4253904}, - {-23561781, - -2799059, - -32351682, - -1661963, - -9147719, - 10429267, - -16637684, - 4072016, - -5351664, - 5596589}}, - {{-28236598, - -3390048, - 12312896, - 6213178, - 3117142, - 16078565, - 29266239, - 2557221, - 1768301, - 15373193}, - {-7243358, - -3246960, - -4593467, - -7553353, - -127927, - -912245, - -1090902, - -4504991, - -24660491, - 3442910}, - {-30210571, - 5124043, - 14181784, - 8197961, - 18964734, - -11939093, - 22597931, - 7176455, - -18585478, - 13365930}}, - {{-7877390, - -1499958, - 8324673, - 4690079, - 6261860, - 890446, - 24538107, - -8570186, - -9689599, - -3031667}, - {25008904, - -10771599, - -4305031, - -9638010, - 16265036, - 15721635, - 683793, - -11823784, - 15723479, - -15163481}, - {-9660625, - 12374379, - -27006999, - -7026148, - -7724114, - -12314514, - 11879682, - 5400171, - 519526, - -1235876}}, - {{22258397, - -16332233, - -7869817, - 14613016, - -22520255, - -2950923, - -20353881, - 7315967, - 16648397, - 7605640}, - {-8081308, - -8464597, - -8223311, - 9719710, - 19259459, - -15348212, - 23994942, - -5281555, - -9468848, - 4763278}, - {-21699244, - 9220969, - -15730624, - 1084137, - -25476107, - -2852390, - 31088447, - -7764523, - -11356529, - 728112}}, - {{26047220, - -11751471, - -6900323, - -16521798, - 24092068, - 9158119, - -4273545, - -12555558, - -29365436, - -5498272}, - {17510331, - -322857, - 5854289, - 8403524, - 17133918, - -3112612, - -28111007, - 12327945, - 10750447, - 10014012}, - {-10312768, - 3936952, - 9156313, - -8897683, - 16498692, - -994647, - -27481051, - -666732, - 3424691, - 7540221}}, - {{30322361, - -6964110, - 11361005, - -4143317, - 7433304, - 4989748, - -7071422, - -16317219, - -9244265, - 15258046}, - {13054562, - -2779497, - 19155474, - 469045, - -12482797, - 4566042, - 5631406, - 2711395, - 1062915, - -5136345}, - {-19240248, - -11254599, - -29509029, - -7499965, - -5835763, - 13005411, - -6066489, - 12194497, - 32960380, - 1459310}}}, - {{{19852034, - 7027924, - 23669353, - 10020366, - 8586503, - -6657907, - 394197, - -6101885, - 18638003, - -11174937}, - {31395534, - 15098109, - 26581030, - 8030562, - -16527914, - -5007134, - 9012486, - -7584354, - -6643087, - -5442636}, - {-9192165, - -2347377, - -1997099, - 4529534, - 25766844, - 607986, - -13222, - 9677543, - -32294889, - -6456008}}, - {{-2444496, - -149937, - 29348902, - 8186665, - 1873760, - 12489863, - -30934579, - -7839692, - -7852844, - -8138429}, - {-15236356, - -15433509, - 7766470, - 746860, - 26346930, - -10221762, - -27333451, - 10754588, - -9431476, - 5203576}, - {31834314, - 14135496, - -770007, - 5159118, - 20917671, - -16768096, - -7467973, - -7337524, - 31809243, - 7347066}}, - {{-9606723, - -11874240, - 20414459, - 13033986, - 13716524, - -11691881, - 19797970, - -12211255, - 15192876, - -2087490}, - {-12663563, - -2181719, - 1168162, - -3804809, - 26747877, - -14138091, - 10609330, - 12694420, - 33473243, - -13382104}, - {33184999, - 11180355, - 15832085, - -11385430, - -1633671, - 225884, - 15089336, - -11023903, - -6135662, - 14480053}}, - {{31308717, - -5619998, - 31030840, - -1897099, - 15674547, - -6582883, - 5496208, - 13685227, - 27595050, - 8737275}, - {-20318852, - -15150239, - 10933843, - -16178022, - 8335352, - -7546022, - -31008351, - -12610604, - 26498114, - 66511}, - {22644454, - -8761729, - -16671776, - 4884562, - -3105614, - -13559366, - 30540766, - -4286747, - -13327787, - -7515095}}, - {{-28017847, - 9834845, - 18617207, - -2681312, - -3401956, - -13307506, - 8205540, - 13585437, - -17127465, - 15115439}, - {23711543, - -672915, - 31206561, - -8362711, - 6164647, - -9709987, - -33535882, - -1426096, - 8236921, - 16492939}, - {-23910559, - -13515526, - -26299483, - -4503841, - 25005590, - -7687270, - 19574902, - 10071562, - 6708380, - -6222424}}, - {{2101391, - -4930054, - 19702731, - 2367575, - -15427167, - 1047675, - 5301017, - 9328700, - 29955601, - -11678310}, - {3096359, - 9271816, - -21620864, - -15521844, - -14847996, - -7592937, - -25892142, - -12635595, - -9917575, - 6216608}, - {-32615849, - 338663, - -25195611, - 2510422, - -29213566, - -13820213, - 24822830, - -6146567, - -26767480, - 7525079}}, - {{-23066649, - -13985623, - 16133487, - -7896178, - -3389565, - 778788, - -910336, - -2782495, - -19386633, - 11994101}, - {21691500, - -13624626, - -641331, - -14367021, - 3285881, - -3483596, - -25064666, - 9718258, - -7477437, - 13381418}, - {18445390, - -4202236, - 14979846, - 11622458, - -1727110, - -3582980, - 23111648, - -6375247, - 28535282, - 15779576}}, - {{30098053, - 3089662, - -9234387, - 16662135, - -21306940, - 11308411, - -14068454, - 12021730, - 9955285, - -16303356}, - {9734894, - -14576830, - -7473633, - -9138735, - 2060392, - 11313496, - -18426029, - 9924399, - 20194861, - 13380996}, - {-26378102, - -7965207, - -22167821, - 15789297, - -18055342, - -6168792, - -1984914, - 15707771, - 26342023, - 10146099}}}, - {{{-26016874, - -219943, - 21339191, - -41388, - 19745256, - -2878700, - -29637280, - 2227040, - 21612326, - -545728}, - {-13077387, - 1184228, - 23562814, - -5970442, - -20351244, - -6348714, - 25764461, - 12243797, - -20856566, - 11649658}, - {-10031494, - 11262626, - 27384172, - 2271902, - 26947504, - -15997771, - 39944, - 6114064, - 33514190, - 2333242}}, - {{-21433588, - -12421821, - 8119782, - 7219913, - -21830522, - -9016134, - -6679750, - -12670638, - 24350578, - -13450001}, - {-4116307, - -11271533, - -23886186, - 4843615, - -30088339, - 690623, - -31536088, - -10406836, - 8317860, - 12352766}, - {18200138, - -14475911, - -33087759, - -2696619, - -23702521, - -9102511, - -23552096, - -2287550, - 20712163, - 6719373}}, - {{26656208, - 6075253, - -7858556, - 1886072, - -28344043, - 4262326, - 11117530, - -3763210, - 26224235, - -3297458}, - {-17168938, - -14854097, - -3395676, - -16369877, - -19954045, - 14050420, - 21728352, - 9493610, - 18620611, - -16428628}, - {-13323321, - 13325349, - 11432106, - 5964811, - 18609221, - 6062965, - -5269471, - -9725556, - -30701573, - -16479657}}, - {{-23860538, - -11233159, - 26961357, - 1640861, - -32413112, - -16737940, - 12248509, - -5240639, - 13735342, - 1934062}, - {25089769, - 6742589, - 17081145, - -13406266, - 21909293, - -16067981, - -15136294, - -3765346, - -21277997, - 5473616}, - {31883677, - -7961101, - 1083432, - -11572403, - 22828471, - 13290673, - -7125085, - 12469656, - 29111212, - -5451014}}, - {{24244947, - -15050407, - -26262976, - 2791540, - -14997599, - 16666678, - 24367466, - 6388839, - -10295587, - 452383}, - {-25640782, - -3417841, - 5217916, - 16224624, - 19987036, - -4082269, - -24236251, - -5915248, - 15766062, - 8407814}, - {-20406999, - 13990231, - 15495425, - 16395525, - 5377168, - 15166495, - -8917023, - -4388953, - -8067909, - 2276718}}, - {{30157918, - 12924066, - -17712050, - 9245753, - 19895028, - 3368142, - -23827587, - 5096219, - 22740376, - -7303417}, - {2041139, - -14256350, - 7783687, - 13876377, - -25946985, - -13352459, - 24051124, - 13742383, - -15637599, - 13295222}, - {33338237, - -8505733, - 12532113, - 7977527, - 9106186, - -1715251, - -17720195, - -4612972, - -4451357, - -14669444}}, - {{-20045281, - 5454097, - -14346548, - 6447146, - 28862071, - 1883651, - -2469266, - -4141880, - 7770569, - 9620597}, - {23208068, - 7979712, - 33071466, - 8149229, - 1758231, - -10834995, - 30945528, - -1694323, - -33502340, - -14767970}, - {1439958, - -16270480, - -1079989, - -793782, - 4625402, - 10647766, - -5043801, - 1220118, - 30494170, - -11440799}}, - {{-5037580, - -13028295, - -2970559, - -3061767, - 15640974, - -6701666, - -26739026, - 926050, - -1684339, - -13333647}, - {13908495, - -3549272, - 30919928, - -6273825, - -21521863, - 7989039, - 9021034, - 9078865, - 3353509, - 4033511}, - {-29663431, - -15113610, - 32259991, - -344482, - 24295849, - -12912123, - 23161163, - 8839127, - 27485041, - 7356032}}}, - {{{9661027, - 705443, - 11980065, - -5370154, - -1628543, - 14661173, - -6346142, - 2625015, - 28431036, - -16771834}, - {-23839233, - -8311415, - -25945511, - 7480958, - -17681669, - -8354183, - -22545972, - 14150565, - 15970762, - 4099461}, - {29262576, - 16756590, - 26350592, - -8793563, - 8529671, - -11208050, - 13617293, - -9937143, - 11465739, - 8317062}}, - {{-25493081, - -6962928, - 32500200, - -9419051, - -23038724, - -2302222, - 14898637, - 3848455, - 20969334, - -5157516}, - {-20384450, - -14347713, - -18336405, - 13884722, - -33039454, - 2842114, - -21610826, - -3649888, - 11177095, - 14989547}, - {-24496721, - -11716016, - 16959896, - 2278463, - 12066309, - 10137771, - 13515641, - 2581286, - -28487508, - 9930240}}, - {{-17751622, - -2097826, - 16544300, - -13009300, - -15914807, - -14949081, - 18345767, - -13403753, - 16291481, - -5314038}, - {-33229194, - 2553288, - 32678213, - 9875984, - 8534129, - 6889387, - -9676774, - 6957617, - 4368891, - 9788741}, - {16660756, - 7281060, - -10830758, - 12911820, - 20108584, - -8101676, - -21722536, - -8613148, - 16250552, - -11111103}}, - {{-19765507, - 2390526, - -16551031, - 14161980, - 1905286, - 6414907, - 4689584, - 10604807, - -30190403, - 4782747}, - {-1354539, - 14736941, - -7367442, - -13292886, - 7710542, - -14155590, - -9981571, - 4383045, - 22546403, - 437323}, - {31665577, - -12180464, - -16186830, - 1491339, - -18368625, - 3294682, - 27343084, - 2786261, - -30633590, - -14097016}}, - {{-14467279, - -683715, - -33374107, - 7448552, - 19294360, - 14334329, - -19690631, - 2355319, - -19284671, - -6114373}, - {15121312, - -15796162, - 6377020, - -6031361, - -10798111, - -12957845, - 18952177, - 15496498, - -29380133, - 11754228}, - {-2637277, - -13483075, - 8488727, - -14303896, - 12728761, - -1622493, - 7141596, - 11724556, - 22761615, - -10134141}}, - {{16918416, - 11729663, - -18083579, - 3022987, - -31015732, - -13339659, - -28741185, - -12227393, - 32851222, - 11717399}, - {11166634, - 7338049, - -6722523, - 4531520, - -29468672, - -7302055, - 31474879, - 3483633, - -1193175, - -4030831}, - {-185635, - 9921305, - 31456609, - -13536438, - -12013818, - 13348923, - 33142652, - 6546660, - -19985279, - -3948376}}, - {{-32460596, - 11266712, - -11197107, - -7899103, - 31703694, - 3855903, - -8537131, - -12833048, - -30772034, - -15486313}, - {-18006477, - 12709068, - 3991746, - -6479188, - -21491523, - -10550425, - -31135347, - -16049879, - 10928917, - 3011958}, - {-6957757, - -15594337, - 31696059, - 334240, - 29576716, - 14796075, - -30831056, - -12805180, - 18008031, - 10258577}}, - {{-22448644, - 15655569, - 7018479, - -4410003, - -30314266, - -1201591, - -1853465, - 1367120, - 25127874, - 6671743}, - {29701166, - -14373934, - -10878120, - 9279288, - -17568, - 13127210, - 21382910, - 11042292, - 25838796, - 4642684}, - {-20430234, - 14955537, - -24126347, - 8124619, - -5369288, - -5990470, - 30468147, - -13900640, - 18423289, - 4177476}}}}; - -const ge_precomp ge_Bi[8] = { - {{25967493, - -14356035, - 29566456, - 3660896, - -12694345, - 4014787, - 27544626, - -11754271, - -6079156, - 2047605}, - {-12545711, - 934262, - -2722910, - 3049990, - -727428, - 9406986, - 12720692, - 5043384, - 19500929, - -15469378}, - {-8738181, - 4489570, - 9688441, - -14785194, - 10184609, - -12363380, - 29287919, - 11864899, - -24514362, - -4438546}}, - {{15636291, - -9688557, - 24204773, - -7912398, - 616977, - -16685262, - 27787600, - -14772189, - 28944400, - -1550024}, - {16568933, - 4717097, - -11556148, - -1102322, - 15682896, - -11807043, - 16354577, - -11775962, - 7689662, - 11199574}, - {30464156, - -5976125, - -11779434, - -15670865, - 23220365, - 15915852, - 7512774, - 10017326, - -17749093, - -9920357}}, - {{10861363, - 11473154, - 27284546, - 1981175, - -30064349, - 12577861, - 32867885, - 14515107, - -15438304, - 10819380}, - {4708026, - 6336745, - 20377586, - 9066809, - -11272109, - 6594696, - -25653668, - 12483688, - -12668491, - 5581306}, - {19563160, - 16186464, - -29386857, - 4097519, - 10237984, - -4348115, - 28542350, - 13850243, - -23678021, - -15815942}}, - {{5153746, - 9909285, - 1723747, - -2777874, - 30523605, - 5516873, - 19480852, - 5230134, - -23952439, - -15175766}, - {-30269007, - -3463509, - 7665486, - 10083793, - 28475525, - 1649722, - 20654025, - 16520125, - 30598449, - 7715701}, - {28881845, - 14381568, - 9657904, - 3680757, - -20181635, - 7843316, - -31400660, - 1370708, - 29794553, - -1409300}}, - {{-22518993, - -6692182, - 14201702, - -8745502, - -23510406, - 8844726, - 18474211, - -1361450, - -13062696, - 13821877}, - {-6455177, - -7839871, - 3374702, - -4740862, - -27098617, - -10571707, - 31655028, - -7212327, - 18853322, - -14220951}, - {4566830, - -12963868, - -28974889, - -12240689, - -7602672, - -2830569, - -8514358, - -10431137, - 2207753, - -3209784}}, - {{-25154831, - -4185821, - 29681144, - 7868801, - -6854661, - -9423865, - -12437364, - -663000, - -31111463, - -16132436}, - {25576264, - -2703214, - 7349804, - -11814844, - 16472782, - 9300885, - 3844789, - 15725684, - 171356, - 6466918}, - {23103977, - 13316479, - 9739013, - -16149481, - 817875, - -15038942, - 8965339, - -14088058, - -30714912, - 16193877}}, - {{-33521811, - 3180713, - -2394130, - 14003687, - -16903474, - -16270840, - 17238398, - 4729455, - -18074513, - 9256800}, - {-25182317, - -4174131, - 32336398, - 5036987, - -21236817, - 11360617, - 22616405, - 9761698, - -19827198, - 630305}, - {-13720693, - 2639453, - -24237460, - -7406481, - 9494427, - -5774029, - -6554551, - -15960994, - -2449256, - -14291300}}, - {{-3151181, - -5046075, - 9282714, - 6866145, - -31907062, - -863023, - -18940575, - 15033784, - 25105118, - -7894876}, - {-24326370, - 15950226, - -31801215, - -14592823, - -11662737, - -5090925, - 1573892, - -2625887, - 2198790, - -15804619}, - {-3099351, - 10324967, - -2241613, - 7453183, - -5446979, - -2735503, - -13812022, - -16236442, - -32461234, - -12290683}}}; - -/* A = 2 * (1 - d) / (1 + d) = 486662 */ -const fe fe_ma2 = {-12721188, -3529, 0, 0, 0, 0, 0, 0, 0, 0}; /* -A^2 */ -const fe fe_ma = {-486662, 0, 0, 0, 0, 0, 0, 0, 0, 0}; /* -A */ -const fe fe_fffb1 = { - -31702527, - -2466483, - -26106795, - -12203692, - -12169197, - -321052, - 14850977, - -10296299, - -16929438, - -407568}; /* sqrt(-2 * A * (A + 2)) */ -const fe fe_fffb2 = { - 8166131, - -6741800, - -17040804, - 3154616, - 21461005, - 1466302, - -30876704, - -6368709, - 10503587, - -13363080}; /* sqrt(2 * A * (A + 2)) */ -const fe fe_fffb3 = { - -13620103, - 14639558, - 4532995, - 7679154, - 16815101, - -15883539, - -22863840, - -14813421, - 13716513, - -6477756}; /* sqrt(-sqrt(-1) * A * (A + 2)) */ -const fe fe_fffb4 = { - -21786234, - -12173074, - 21573800, - 4524538, - -4645904, - 16204591, - 8012863, - -8444712, - 3212926, - 6885324}; /* sqrt(sqrt(-1) * A * (A + 2)) */ diff --git a/src/crypto/crypto_ops_builder/crypto-ops-old.c b/src/crypto/crypto_ops_builder/crypto-ops-old.c deleted file mode 100644 index 56a099d..0000000 --- a/src/crypto/crypto_ops_builder/crypto-ops-old.c +++ /dev/null @@ -1,3638 +0,0 @@ -// Copyright (c) 2014-2019, The Monero Project -// -// All rights reserved. -// -// Redistribution and use in source and binary forms, with or without modification, are -// permitted provided that the following conditions are met: -// -// 1. Redistributions of source code must retain the above copyright notice, this list of -// conditions and the following disclaimer. -// -// 2. Redistributions in binary form must reproduce the above copyright notice, this list -// of conditions and the following disclaimer in the documentation and/or other -// materials provided with the distribution. -// -// 3. Neither the name of the copyright holder nor the names of its contributors may be -// used to endorse or promote products derived from this software without specific -// prior written permission. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY -// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF -// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL -// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, -// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, -// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF -// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -// -// Parts of this file are originally copyright (c) 2012-2013 The Cryptonote developers - -#include //standard -#include //standard - -//#include "warnings.h" //where is this?? -#include "crypto-ops.h" //fine - -// DISABLE_VS_WARNINGS(4146 4244) - -/* Predeclarations */ - -static void fe_mul(fe, const fe, const fe); -static void fe_sq(fe, const fe); -static void fe_tobytes(unsigned char*, const fe); -static void ge_madd(ge_p1p1*, const ge_p3*, const ge_precomp*); -static void ge_msub(ge_p1p1*, const ge_p3*, const ge_precomp*); -static void ge_p2_0(ge_p2*); -static void ge_p3_dbl(ge_p1p1*, const ge_p3*); -static void ge_sub(ge_p1p1*, const ge_p3*, const ge_cached*); -static void fe_divpowm1(fe, const fe, const fe); - -/* Common functions */ - -// x -// u -static uint64_t load_3(const unsigned char* in) { - uint64_t result; - result = (uint64_t)in[0]; - result |= ((uint64_t)in[1]) << 8; - result |= ((uint64_t)in[2]) << 16; - return result; -} - -// x -// u -static uint64_t load_4(const unsigned char* in) { - uint64_t result; - result = (uint64_t)in[0]; - result |= ((uint64_t)in[1]) << 8; - result |= ((uint64_t)in[2]) << 16; - result |= ((uint64_t)in[3]) << 24; - return result; -} - -/* From fe_0.c */ - -/* -h = 0 -*/ - -// x -static void fe_0(fe h) { - h[0] = 0; - h[1] = 0; - h[2] = 0; - h[3] = 0; - h[4] = 0; - h[5] = 0; - h[6] = 0; - h[7] = 0; - h[8] = 0; - h[9] = 0; -} - -/* From fe_1.c */ - -/* -h = 1 -*/ - -// x -static void fe_1(fe h) { - h[0] = 1; - h[1] = 0; - h[2] = 0; - h[3] = 0; - h[4] = 0; - h[5] = 0; - h[6] = 0; - h[7] = 0; - h[8] = 0; - h[9] = 0; -} - -/* From fe_add.c */ - -/* -h = f + g -Can overlap h with f or g. - -Preconditions: - |f| bounded by 1.1*2^25,1.1*2^24,1.1*2^25,1.1*2^24,etc. - |g| bounded by 1.1*2^25,1.1*2^24,1.1*2^25,1.1*2^24,etc. - -Postconditions: - |h| bounded by 1.1*2^26,1.1*2^25,1.1*2^26,1.1*2^25,etc. -*/ - -static void fe_add(fe h, const fe f, const fe g) { - int32_t f0 = f[0]; - int32_t f1 = f[1]; - int32_t f2 = f[2]; - int32_t f3 = f[3]; - int32_t f4 = f[4]; - int32_t f5 = f[5]; - int32_t f6 = f[6]; - int32_t f7 = f[7]; - int32_t f8 = f[8]; - int32_t f9 = f[9]; - int32_t g0 = g[0]; - int32_t g1 = g[1]; - int32_t g2 = g[2]; - int32_t g3 = g[3]; - int32_t g4 = g[4]; - int32_t g5 = g[5]; - int32_t g6 = g[6]; - int32_t g7 = g[7]; - int32_t g8 = g[8]; - int32_t g9 = g[9]; - int32_t h0 = f0 + g0; - int32_t h1 = f1 + g1; - int32_t h2 = f2 + g2; - int32_t h3 = f3 + g3; - int32_t h4 = f4 + g4; - int32_t h5 = f5 + g5; - int32_t h6 = f6 + g6; - int32_t h7 = f7 + g7; - int32_t h8 = f8 + g8; - int32_t h9 = f9 + g9; - h[0] = h0; - h[1] = h1; - h[2] = h2; - h[3] = h3; - h[4] = h4; - h[5] = h5; - h[6] = h6; - h[7] = h7; - h[8] = h8; - h[9] = h9; -} - -/* From fe_cmov.c */ - -/* -Replace (f,g) with (g,g) if b == 1; -replace (f,g) with (f,g) if b == 0. - -Preconditions: b in {0,1}. -*/ - -// x -static void fe_cmov(fe f, const fe g, unsigned int b) { - int32_t f0 = f[0]; - int32_t f1 = f[1]; - int32_t f2 = f[2]; - int32_t f3 = f[3]; - int32_t f4 = f[4]; - int32_t f5 = f[5]; - int32_t f6 = f[6]; - int32_t f7 = f[7]; - int32_t f8 = f[8]; - int32_t f9 = f[9]; - int32_t g0 = g[0]; - int32_t g1 = g[1]; - int32_t g2 = g[2]; - int32_t g3 = g[3]; - int32_t g4 = g[4]; - int32_t g5 = g[5]; - int32_t g6 = g[6]; - int32_t g7 = g[7]; - int32_t g8 = g[8]; - int32_t g9 = g[9]; - int32_t x0 = f0 ^ g0; - int32_t x1 = f1 ^ g1; - int32_t x2 = f2 ^ g2; - int32_t x3 = f3 ^ g3; - int32_t x4 = f4 ^ g4; - int32_t x5 = f5 ^ g5; - int32_t x6 = f6 ^ g6; - int32_t x7 = f7 ^ g7; - int32_t x8 = f8 ^ g8; - int32_t x9 = f9 ^ g9; - assert((((b - 1) & ~b) | ((b - 2) & ~(b - 1))) == (unsigned int)-1); - b = -b; - x0 &= b; - x1 &= b; - x2 &= b; - x3 &= b; - x4 &= b; - x5 &= b; - x6 &= b; - x7 &= b; - x8 &= b; - x9 &= b; - f[0] = f0 ^ x0; - f[1] = f1 ^ x1; - f[2] = f2 ^ x2; - f[3] = f3 ^ x3; - f[4] = f4 ^ x4; - f[5] = f5 ^ x5; - f[6] = f6 ^ x6; - f[7] = f7 ^ x7; - f[8] = f8 ^ x8; - f[9] = f9 ^ x9; -} - -/* From fe_copy.c */ - -/* -h = f -*/ - -// x -static void fe_copy(fe h, const fe f) { - int32_t f0 = f[0]; - int32_t f1 = f[1]; - int32_t f2 = f[2]; - int32_t f3 = f[3]; - int32_t f4 = f[4]; - int32_t f5 = f[5]; - int32_t f6 = f[6]; - int32_t f7 = f[7]; - int32_t f8 = f[8]; - int32_t f9 = f[9]; - h[0] = f0; - h[1] = f1; - h[2] = f2; - h[3] = f3; - h[4] = f4; - h[5] = f5; - h[6] = f6; - h[7] = f7; - h[8] = f8; - h[9] = f9; -} - -/* From fe_invert.c */ - -// x using fermat -static void fe_invert(fe out, const fe z) { - fe t0; - fe t1; - fe t2; - fe t3; - int i; - - fe_sq(t0, z); - fe_sq(t1, t0); - fe_sq(t1, t1); - fe_mul(t1, z, t1); - fe_mul(t0, t0, t1); - fe_sq(t2, t0); - fe_mul(t1, t1, t2); - fe_sq(t2, t1); - for (i = 0; i < 4; ++i) { - fe_sq(t2, t2); - } - fe_mul(t1, t2, t1); - fe_sq(t2, t1); - for (i = 0; i < 9; ++i) { - fe_sq(t2, t2); - } - fe_mul(t2, t2, t1); - fe_sq(t3, t2); - for (i = 0; i < 19; ++i) { - fe_sq(t3, t3); - } - fe_mul(t2, t3, t2); - fe_sq(t2, t2); - for (i = 0; i < 9; ++i) { - fe_sq(t2, t2); - } - fe_mul(t1, t2, t1); - fe_sq(t2, t1); - for (i = 0; i < 49; ++i) { - fe_sq(t2, t2); - } - fe_mul(t2, t2, t1); - fe_sq(t3, t2); - for (i = 0; i < 99; ++i) { - fe_sq(t3, t3); - } - fe_mul(t2, t3, t2); - fe_sq(t2, t2); - for (i = 0; i < 49; ++i) { - fe_sq(t2, t2); - } - fe_mul(t1, t2, t1); - fe_sq(t1, t1); - for (i = 0; i < 4; ++i) { - fe_sq(t1, t1); - } - fe_mul(out, t1, t0); - - return; -} - -/* From fe_isnegative.c */ - -/* -return 1 if f is in {1,3,5,...,q-2} -return 0 if f is in {0,2,4,...,q-1} - -Preconditions: - |f| bounded by 1.1*2^26,1.1*2^25,1.1*2^26,1.1*2^25,etc. -*/ - -// x -static int fe_isnegative(const fe f) { - unsigned char s[32]; - fe_tobytes(s, f); - return s[0] & 1; -} - -/* From fe_isnonzero.c, modified */ - -// x -static int fe_isnonzero(const fe f) { - unsigned char s[32]; - fe_tobytes(s, f); - return (((int)(s[0] | s[1] | s[2] | s[3] | s[4] | s[5] | s[6] | s[7] | s[8] | s[9] | s[10] | - s[11] | s[12] | s[13] | s[14] | s[15] | s[16] | s[17] | s[18] | s[19] | s[20] | - s[21] | s[22] | s[23] | s[24] | s[25] | s[26] | s[27] | s[28] | s[29] | s[30] | - s[31]) - - 1) >> - 8) + - 1; -} - -/* From fe_mul.c */ - -/* -h = f * g -Can overlap h with f or g. - -Preconditions: - |f| bounded by 1.65*2^26,1.65*2^25,1.65*2^26,1.65*2^25,etc. - |g| bounded by 1.65*2^26,1.65*2^25,1.65*2^26,1.65*2^25,etc. - -Postconditions: - |h| bounded by 1.01*2^25,1.01*2^24,1.01*2^25,1.01*2^24,etc. -*/ - -/* -Notes on implementation strategy: - -Using schoolbook multiplication. -Karatsuba would save a little in some cost models. - -Most multiplications by 2 and 19 are 32-bit precomputations; -cheaper than 64-bit postcomputations. - -There is one remaining multiplication by 19 in the carry chain; -one *19 precomputation can be merged into this, -but the resulting data flow is considerably less clean. - -There are 12 carries below. -10 of them are 2-way parallelizable and vectorizable. -Can get away with 11 carries, but then data flow is much deeper. - -With tighter constraints on inputs can squeeze carries into int32. -*/ - -static void fe_mul(fe h, const fe f, const fe g) { - int32_t f0 = f[0]; - int32_t f1 = f[1]; - int32_t f2 = f[2]; - int32_t f3 = f[3]; - int32_t f4 = f[4]; - int32_t f5 = f[5]; - int32_t f6 = f[6]; - int32_t f7 = f[7]; - int32_t f8 = f[8]; - int32_t f9 = f[9]; - int32_t g0 = g[0]; - int32_t g1 = g[1]; - int32_t g2 = g[2]; - int32_t g3 = g[3]; - int32_t g4 = g[4]; - int32_t g5 = g[5]; - int32_t g6 = g[6]; - int32_t g7 = g[7]; - int32_t g8 = g[8]; - int32_t g9 = g[9]; - int32_t g1_19 = 19 * g1; /* 1.959375*2^29 */ - int32_t g2_19 = 19 * g2; /* 1.959375*2^30; still ok */ - int32_t g3_19 = 19 * g3; - int32_t g4_19 = 19 * g4; - int32_t g5_19 = 19 * g5; - int32_t g6_19 = 19 * g6; - int32_t g7_19 = 19 * g7; - int32_t g8_19 = 19 * g8; - int32_t g9_19 = 19 * g9; - int32_t f1_2 = 2 * f1; - int32_t f3_2 = 2 * f3; - int32_t f5_2 = 2 * f5; - int32_t f7_2 = 2 * f7; - int32_t f9_2 = 2 * f9; - int64_t f0g0 = f0 * (int64_t)g0; - int64_t f0g1 = f0 * (int64_t)g1; - int64_t f0g2 = f0 * (int64_t)g2; - int64_t f0g3 = f0 * (int64_t)g3; - int64_t f0g4 = f0 * (int64_t)g4; - int64_t f0g5 = f0 * (int64_t)g5; - int64_t f0g6 = f0 * (int64_t)g6; - int64_t f0g7 = f0 * (int64_t)g7; - int64_t f0g8 = f0 * (int64_t)g8; - int64_t f0g9 = f0 * (int64_t)g9; - int64_t f1g0 = f1 * (int64_t)g0; - int64_t f1g1_2 = f1_2 * (int64_t)g1; - int64_t f1g2 = f1 * (int64_t)g2; - int64_t f1g3_2 = f1_2 * (int64_t)g3; - int64_t f1g4 = f1 * (int64_t)g4; - int64_t f1g5_2 = f1_2 * (int64_t)g5; - int64_t f1g6 = f1 * (int64_t)g6; - int64_t f1g7_2 = f1_2 * (int64_t)g7; - int64_t f1g8 = f1 * (int64_t)g8; - int64_t f1g9_38 = f1_2 * (int64_t)g9_19; - int64_t f2g0 = f2 * (int64_t)g0; - int64_t f2g1 = f2 * (int64_t)g1; - int64_t f2g2 = f2 * (int64_t)g2; - int64_t f2g3 = f2 * (int64_t)g3; - int64_t f2g4 = f2 * (int64_t)g4; - int64_t f2g5 = f2 * (int64_t)g5; - int64_t f2g6 = f2 * (int64_t)g6; - int64_t f2g7 = f2 * (int64_t)g7; - int64_t f2g8_19 = f2 * (int64_t)g8_19; - int64_t f2g9_19 = f2 * (int64_t)g9_19; - int64_t f3g0 = f3 * (int64_t)g0; - int64_t f3g1_2 = f3_2 * (int64_t)g1; - int64_t f3g2 = f3 * (int64_t)g2; - int64_t f3g3_2 = f3_2 * (int64_t)g3; - int64_t f3g4 = f3 * (int64_t)g4; - int64_t f3g5_2 = f3_2 * (int64_t)g5; - int64_t f3g6 = f3 * (int64_t)g6; - int64_t f3g7_38 = f3_2 * (int64_t)g7_19; - int64_t f3g8_19 = f3 * (int64_t)g8_19; - int64_t f3g9_38 = f3_2 * (int64_t)g9_19; - int64_t f4g0 = f4 * (int64_t)g0; - int64_t f4g1 = f4 * (int64_t)g1; - int64_t f4g2 = f4 * (int64_t)g2; - int64_t f4g3 = f4 * (int64_t)g3; - int64_t f4g4 = f4 * (int64_t)g4; - int64_t f4g5 = f4 * (int64_t)g5; - int64_t f4g6_19 = f4 * (int64_t)g6_19; - int64_t f4g7_19 = f4 * (int64_t)g7_19; - int64_t f4g8_19 = f4 * (int64_t)g8_19; - int64_t f4g9_19 = f4 * (int64_t)g9_19; - int64_t f5g0 = f5 * (int64_t)g0; - int64_t f5g1_2 = f5_2 * (int64_t)g1; - int64_t f5g2 = f5 * (int64_t)g2; - int64_t f5g3_2 = f5_2 * (int64_t)g3; - int64_t f5g4 = f5 * (int64_t)g4; - int64_t f5g5_38 = f5_2 * (int64_t)g5_19; - int64_t f5g6_19 = f5 * (int64_t)g6_19; - int64_t f5g7_38 = f5_2 * (int64_t)g7_19; - int64_t f5g8_19 = f5 * (int64_t)g8_19; - int64_t f5g9_38 = f5_2 * (int64_t)g9_19; - int64_t f6g0 = f6 * (int64_t)g0; - int64_t f6g1 = f6 * (int64_t)g1; - int64_t f6g2 = f6 * (int64_t)g2; - int64_t f6g3 = f6 * (int64_t)g3; - int64_t f6g4_19 = f6 * (int64_t)g4_19; - int64_t f6g5_19 = f6 * (int64_t)g5_19; - int64_t f6g6_19 = f6 * (int64_t)g6_19; - int64_t f6g7_19 = f6 * (int64_t)g7_19; - int64_t f6g8_19 = f6 * (int64_t)g8_19; - int64_t f6g9_19 = f6 * (int64_t)g9_19; - int64_t f7g0 = f7 * (int64_t)g0; - int64_t f7g1_2 = f7_2 * (int64_t)g1; - int64_t f7g2 = f7 * (int64_t)g2; - int64_t f7g3_38 = f7_2 * (int64_t)g3_19; - int64_t f7g4_19 = f7 * (int64_t)g4_19; - int64_t f7g5_38 = f7_2 * (int64_t)g5_19; - int64_t f7g6_19 = f7 * (int64_t)g6_19; - int64_t f7g7_38 = f7_2 * (int64_t)g7_19; - int64_t f7g8_19 = f7 * (int64_t)g8_19; - int64_t f7g9_38 = f7_2 * (int64_t)g9_19; - int64_t f8g0 = f8 * (int64_t)g0; - int64_t f8g1 = f8 * (int64_t)g1; - int64_t f8g2_19 = f8 * (int64_t)g2_19; - int64_t f8g3_19 = f8 * (int64_t)g3_19; - int64_t f8g4_19 = f8 * (int64_t)g4_19; - int64_t f8g5_19 = f8 * (int64_t)g5_19; - int64_t f8g6_19 = f8 * (int64_t)g6_19; - int64_t f8g7_19 = f8 * (int64_t)g7_19; - int64_t f8g8_19 = f8 * (int64_t)g8_19; - int64_t f8g9_19 = f8 * (int64_t)g9_19; - int64_t f9g0 = f9 * (int64_t)g0; - int64_t f9g1_38 = f9_2 * (int64_t)g1_19; - int64_t f9g2_19 = f9 * (int64_t)g2_19; - int64_t f9g3_38 = f9_2 * (int64_t)g3_19; - int64_t f9g4_19 = f9 * (int64_t)g4_19; - int64_t f9g5_38 = f9_2 * (int64_t)g5_19; - int64_t f9g6_19 = f9 * (int64_t)g6_19; - int64_t f9g7_38 = f9_2 * (int64_t)g7_19; - int64_t f9g8_19 = f9 * (int64_t)g8_19; - int64_t f9g9_38 = f9_2 * (int64_t)g9_19; - int64_t h0 = f0g0 + f1g9_38 + f2g8_19 + f3g7_38 + f4g6_19 + f5g5_38 + f6g4_19 + f7g3_38 + - f8g2_19 + f9g1_38; - int64_t h1 = f0g1 + f1g0 + f2g9_19 + f3g8_19 + f4g7_19 + f5g6_19 + f6g5_19 + f7g4_19 + f8g3_19 + - f9g2_19; - int64_t h2 = f0g2 + f1g1_2 + f2g0 + f3g9_38 + f4g8_19 + f5g7_38 + f6g6_19 + f7g5_38 + f8g4_19 + - f9g3_38; - int64_t h3 = - f0g3 + f1g2 + f2g1 + f3g0 + f4g9_19 + f5g8_19 + f6g7_19 + f7g6_19 + f8g5_19 + f9g4_19; - int64_t h4 = - f0g4 + f1g3_2 + f2g2 + f3g1_2 + f4g0 + f5g9_38 + f6g8_19 + f7g7_38 + f8g6_19 + f9g5_38; - int64_t h5 = f0g5 + f1g4 + f2g3 + f3g2 + f4g1 + f5g0 + f6g9_19 + f7g8_19 + f8g7_19 + f9g6_19; - int64_t h6 = f0g6 + f1g5_2 + f2g4 + f3g3_2 + f4g2 + f5g1_2 + f6g0 + f7g9_38 + f8g8_19 + f9g7_38; - int64_t h7 = f0g7 + f1g6 + f2g5 + f3g4 + f4g3 + f5g2 + f6g1 + f7g0 + f8g9_19 + f9g8_19; - int64_t h8 = f0g8 + f1g7_2 + f2g6 + f3g5_2 + f4g4 + f5g3_2 + f6g2 + f7g1_2 + f8g0 + f9g9_38; - int64_t h9 = f0g9 + f1g8 + f2g7 + f3g6 + f4g5 + f5g4 + f6g3 + f7g2 + f8g1 + f9g0; - int64_t carry0; - int64_t carry1; - int64_t carry2; - int64_t carry3; - int64_t carry4; - int64_t carry5; - int64_t carry6; - int64_t carry7; - int64_t carry8; - int64_t carry9; - - /* - |h0| <= (1.65*1.65*2^52*(1+19+19+19+19)+1.65*1.65*2^50*(38+38+38+38+38)) - i.e. |h0| <= 1.4*2^60; narrower ranges for h2, h4, h6, h8 - |h1| <= (1.65*1.65*2^51*(1+1+19+19+19+19+19+19+19+19)) - i.e. |h1| <= 1.7*2^59; narrower ranges for h3, h5, h7, h9 - */ - - carry0 = (h0 + (int64_t)(1 << 25)) >> 26; - h1 += carry0; - h0 -= carry0 << 26; - carry4 = (h4 + (int64_t)(1 << 25)) >> 26; - h5 += carry4; - h4 -= carry4 << 26; - /* |h0| <= 2^25 */ - /* |h4| <= 2^25 */ - /* |h1| <= 1.71*2^59 */ - /* |h5| <= 1.71*2^59 */ - - carry1 = (h1 + (int64_t)(1 << 24)) >> 25; - h2 += carry1; - h1 -= carry1 << 25; - carry5 = (h5 + (int64_t)(1 << 24)) >> 25; - h6 += carry5; - h5 -= carry5 << 25; - /* |h1| <= 2^24; from now on fits into int32 */ - /* |h5| <= 2^24; from now on fits into int32 */ - /* |h2| <= 1.41*2^60 */ - /* |h6| <= 1.41*2^60 */ - - carry2 = (h2 + (int64_t)(1 << 25)) >> 26; - h3 += carry2; - h2 -= carry2 << 26; - carry6 = (h6 + (int64_t)(1 << 25)) >> 26; - h7 += carry6; - h6 -= carry6 << 26; - /* |h2| <= 2^25; from now on fits into int32 unchanged */ - /* |h6| <= 2^25; from now on fits into int32 unchanged */ - /* |h3| <= 1.71*2^59 */ - /* |h7| <= 1.71*2^59 */ - - carry3 = (h3 + (int64_t)(1 << 24)) >> 25; - h4 += carry3; - h3 -= carry3 << 25; - carry7 = (h7 + (int64_t)(1 << 24)) >> 25; - h8 += carry7; - h7 -= carry7 << 25; - /* |h3| <= 2^24; from now on fits into int32 unchanged */ - /* |h7| <= 2^24; from now on fits into int32 unchanged */ - /* |h4| <= 1.72*2^34 */ - /* |h8| <= 1.41*2^60 */ - - carry4 = (h4 + (int64_t)(1 << 25)) >> 26; - h5 += carry4; - h4 -= carry4 << 26; - carry8 = (h8 + (int64_t)(1 << 25)) >> 26; - h9 += carry8; - h8 -= carry8 << 26; - /* |h4| <= 2^25; from now on fits into int32 unchanged */ - /* |h8| <= 2^25; from now on fits into int32 unchanged */ - /* |h5| <= 1.01*2^24 */ - /* |h9| <= 1.71*2^59 */ - - carry9 = (h9 + (int64_t)(1 << 24)) >> 25; - h0 += carry9 * 19; - h9 -= carry9 << 25; - /* |h9| <= 2^24; from now on fits into int32 unchanged */ - /* |h0| <= 1.1*2^39 */ - - carry0 = (h0 + (int64_t)(1 << 25)) >> 26; - h1 += carry0; - h0 -= carry0 << 26; - /* |h0| <= 2^25; from now on fits into int32 unchanged */ - /* |h1| <= 1.01*2^24 */ - - h[0] = h0; - h[1] = h1; - h[2] = h2; - h[3] = h3; - h[4] = h4; - h[5] = h5; - h[6] = h6; - h[7] = h7; - h[8] = h8; - h[9] = h9; -} - -/* From fe_neg.c */ - -/* -h = -f - -Preconditions: - |f| bounded by 1.1*2^25,1.1*2^24,1.1*2^25,1.1*2^24,etc. - -Postconditions: - |h| bounded by 1.1*2^25,1.1*2^24,1.1*2^25,1.1*2^24,etc. -*/ - -// x -static void fe_neg(fe h, const fe f) { - int32_t f0 = f[0]; - int32_t f1 = f[1]; - int32_t f2 = f[2]; - int32_t f3 = f[3]; - int32_t f4 = f[4]; - int32_t f5 = f[5]; - int32_t f6 = f[6]; - int32_t f7 = f[7]; - int32_t f8 = f[8]; - int32_t f9 = f[9]; - int32_t h0 = -f0; - int32_t h1 = -f1; - int32_t h2 = -f2; - int32_t h3 = -f3; - int32_t h4 = -f4; - int32_t h5 = -f5; - int32_t h6 = -f6; - int32_t h7 = -f7; - int32_t h8 = -f8; - int32_t h9 = -f9; - h[0] = h0; - h[1] = h1; - h[2] = h2; - h[3] = h3; - h[4] = h4; - h[5] = h5; - h[6] = h6; - h[7] = h7; - h[8] = h8; - h[9] = h9; -} - -/* From fe_sq.c */ - -/* -h = f * f -Can overlap h with f. - -Preconditions: - |f| bounded by 1.65*2^26,1.65*2^25,1.65*2^26,1.65*2^25,etc. - -Postconditions: - |h| bounded by 1.01*2^25,1.01*2^24,1.01*2^25,1.01*2^24,etc. -*/ - -/* -See fe_mul.c for discussion of implementation strategy. -*/ - -static void fe_sq(fe h, const fe f) { - int32_t f0 = f[0]; - int32_t f1 = f[1]; - int32_t f2 = f[2]; - int32_t f3 = f[3]; - int32_t f4 = f[4]; - int32_t f5 = f[5]; - int32_t f6 = f[6]; - int32_t f7 = f[7]; - int32_t f8 = f[8]; - int32_t f9 = f[9]; - int32_t f0_2 = 2 * f0; - int32_t f1_2 = 2 * f1; - int32_t f2_2 = 2 * f2; - int32_t f3_2 = 2 * f3; - int32_t f4_2 = 2 * f4; - int32_t f5_2 = 2 * f5; - int32_t f6_2 = 2 * f6; - int32_t f7_2 = 2 * f7; - int32_t f5_38 = 38 * f5; /* 1.959375*2^30 */ - int32_t f6_19 = 19 * f6; /* 1.959375*2^30 */ - int32_t f7_38 = 38 * f7; /* 1.959375*2^30 */ - int32_t f8_19 = 19 * f8; /* 1.959375*2^30 */ - int32_t f9_38 = 38 * f9; /* 1.959375*2^30 */ - int64_t f0f0 = f0 * (int64_t)f0; - int64_t f0f1_2 = f0_2 * (int64_t)f1; - int64_t f0f2_2 = f0_2 * (int64_t)f2; - int64_t f0f3_2 = f0_2 * (int64_t)f3; - int64_t f0f4_2 = f0_2 * (int64_t)f4; - int64_t f0f5_2 = f0_2 * (int64_t)f5; - int64_t f0f6_2 = f0_2 * (int64_t)f6; - int64_t f0f7_2 = f0_2 * (int64_t)f7; - int64_t f0f8_2 = f0_2 * (int64_t)f8; - int64_t f0f9_2 = f0_2 * (int64_t)f9; - int64_t f1f1_2 = f1_2 * (int64_t)f1; - int64_t f1f2_2 = f1_2 * (int64_t)f2; - int64_t f1f3_4 = f1_2 * (int64_t)f3_2; - int64_t f1f4_2 = f1_2 * (int64_t)f4; - int64_t f1f5_4 = f1_2 * (int64_t)f5_2; - int64_t f1f6_2 = f1_2 * (int64_t)f6; - int64_t f1f7_4 = f1_2 * (int64_t)f7_2; - int64_t f1f8_2 = f1_2 * (int64_t)f8; - int64_t f1f9_76 = f1_2 * (int64_t)f9_38; - int64_t f2f2 = f2 * (int64_t)f2; - int64_t f2f3_2 = f2_2 * (int64_t)f3; - int64_t f2f4_2 = f2_2 * (int64_t)f4; - int64_t f2f5_2 = f2_2 * (int64_t)f5; - int64_t f2f6_2 = f2_2 * (int64_t)f6; - int64_t f2f7_2 = f2_2 * (int64_t)f7; - int64_t f2f8_38 = f2_2 * (int64_t)f8_19; - int64_t f2f9_38 = f2 * (int64_t)f9_38; - int64_t f3f3_2 = f3_2 * (int64_t)f3; - int64_t f3f4_2 = f3_2 * (int64_t)f4; - int64_t f3f5_4 = f3_2 * (int64_t)f5_2; - int64_t f3f6_2 = f3_2 * (int64_t)f6; - int64_t f3f7_76 = f3_2 * (int64_t)f7_38; - int64_t f3f8_38 = f3_2 * (int64_t)f8_19; - int64_t f3f9_76 = f3_2 * (int64_t)f9_38; - int64_t f4f4 = f4 * (int64_t)f4; - int64_t f4f5_2 = f4_2 * (int64_t)f5; - int64_t f4f6_38 = f4_2 * (int64_t)f6_19; - int64_t f4f7_38 = f4 * (int64_t)f7_38; - int64_t f4f8_38 = f4_2 * (int64_t)f8_19; - int64_t f4f9_38 = f4 * (int64_t)f9_38; - int64_t f5f5_38 = f5 * (int64_t)f5_38; - int64_t f5f6_38 = f5_2 * (int64_t)f6_19; - int64_t f5f7_76 = f5_2 * (int64_t)f7_38; - int64_t f5f8_38 = f5_2 * (int64_t)f8_19; - int64_t f5f9_76 = f5_2 * (int64_t)f9_38; - int64_t f6f6_19 = f6 * (int64_t)f6_19; - int64_t f6f7_38 = f6 * (int64_t)f7_38; - int64_t f6f8_38 = f6_2 * (int64_t)f8_19; - int64_t f6f9_38 = f6 * (int64_t)f9_38; - int64_t f7f7_38 = f7 * (int64_t)f7_38; - int64_t f7f8_38 = f7_2 * (int64_t)f8_19; - int64_t f7f9_76 = f7_2 * (int64_t)f9_38; - int64_t f8f8_19 = f8 * (int64_t)f8_19; - int64_t f8f9_38 = f8 * (int64_t)f9_38; - int64_t f9f9_38 = f9 * (int64_t)f9_38; - int64_t h0 = f0f0 + f1f9_76 + f2f8_38 + f3f7_76 + f4f6_38 + f5f5_38; - int64_t h1 = f0f1_2 + f2f9_38 + f3f8_38 + f4f7_38 + f5f6_38; - int64_t h2 = f0f2_2 + f1f1_2 + f3f9_76 + f4f8_38 + f5f7_76 + f6f6_19; - int64_t h3 = f0f3_2 + f1f2_2 + f4f9_38 + f5f8_38 + f6f7_38; - int64_t h4 = f0f4_2 + f1f3_4 + f2f2 + f5f9_76 + f6f8_38 + f7f7_38; - int64_t h5 = f0f5_2 + f1f4_2 + f2f3_2 + f6f9_38 + f7f8_38; - int64_t h6 = f0f6_2 + f1f5_4 + f2f4_2 + f3f3_2 + f7f9_76 + f8f8_19; - int64_t h7 = f0f7_2 + f1f6_2 + f2f5_2 + f3f4_2 + f8f9_38; - int64_t h8 = f0f8_2 + f1f7_4 + f2f6_2 + f3f5_4 + f4f4 + f9f9_38; - int64_t h9 = f0f9_2 + f1f8_2 + f2f7_2 + f3f6_2 + f4f5_2; - int64_t carry0; - int64_t carry1; - int64_t carry2; - int64_t carry3; - int64_t carry4; - int64_t carry5; - int64_t carry6; - int64_t carry7; - int64_t carry8; - int64_t carry9; - - carry0 = (h0 + (int64_t)(1 << 25)) >> 26; - h1 += carry0; - h0 -= carry0 << 26; - carry4 = (h4 + (int64_t)(1 << 25)) >> 26; - h5 += carry4; - h4 -= carry4 << 26; - - carry1 = (h1 + (int64_t)(1 << 24)) >> 25; - h2 += carry1; - h1 -= carry1 << 25; - carry5 = (h5 + (int64_t)(1 << 24)) >> 25; - h6 += carry5; - h5 -= carry5 << 25; - - carry2 = (h2 + (int64_t)(1 << 25)) >> 26; - h3 += carry2; - h2 -= carry2 << 26; - carry6 = (h6 + (int64_t)(1 << 25)) >> 26; - h7 += carry6; - h6 -= carry6 << 26; - - carry3 = (h3 + (int64_t)(1 << 24)) >> 25; - h4 += carry3; - h3 -= carry3 << 25; - carry7 = (h7 + (int64_t)(1 << 24)) >> 25; - h8 += carry7; - h7 -= carry7 << 25; - - carry4 = (h4 + (int64_t)(1 << 25)) >> 26; - h5 += carry4; - h4 -= carry4 << 26; - carry8 = (h8 + (int64_t)(1 << 25)) >> 26; - h9 += carry8; - h8 -= carry8 << 26; - - carry9 = (h9 + (int64_t)(1 << 24)) >> 25; - h0 += carry9 * 19; - h9 -= carry9 << 25; - - carry0 = (h0 + (int64_t)(1 << 25)) >> 26; - h1 += carry0; - h0 -= carry0 << 26; - - h[0] = h0; - h[1] = h1; - h[2] = h2; - h[3] = h3; - h[4] = h4; - h[5] = h5; - h[6] = h6; - h[7] = h7; - h[8] = h8; - h[9] = h9; -} - -/* From fe_sq2.c */ - -/* -h = 2 * f * f -Can overlap h with f. - -Preconditions: - |f| bounded by 1.65*2^26,1.65*2^25,1.65*2^26,1.65*2^25,etc. - -Postconditions: - |h| bounded by 1.01*2^25,1.01*2^24,1.01*2^25,1.01*2^24,etc. -*/ - -/* -See fe_mul.c for discussion of implementation strategy. -*/ - -static void fe_sq2(fe h, const fe f) { - int32_t f0 = f[0]; - int32_t f1 = f[1]; - int32_t f2 = f[2]; - int32_t f3 = f[3]; - int32_t f4 = f[4]; - int32_t f5 = f[5]; - int32_t f6 = f[6]; - int32_t f7 = f[7]; - int32_t f8 = f[8]; - int32_t f9 = f[9]; - int32_t f0_2 = 2 * f0; - int32_t f1_2 = 2 * f1; - int32_t f2_2 = 2 * f2; - int32_t f3_2 = 2 * f3; - int32_t f4_2 = 2 * f4; - int32_t f5_2 = 2 * f5; - int32_t f6_2 = 2 * f6; - int32_t f7_2 = 2 * f7; - int32_t f5_38 = 38 * f5; /* 1.959375*2^30 */ - int32_t f6_19 = 19 * f6; /* 1.959375*2^30 */ - int32_t f7_38 = 38 * f7; /* 1.959375*2^30 */ - int32_t f8_19 = 19 * f8; /* 1.959375*2^30 */ - int32_t f9_38 = 38 * f9; /* 1.959375*2^30 */ - int64_t f0f0 = f0 * (int64_t)f0; - int64_t f0f1_2 = f0_2 * (int64_t)f1; - int64_t f0f2_2 = f0_2 * (int64_t)f2; - int64_t f0f3_2 = f0_2 * (int64_t)f3; - int64_t f0f4_2 = f0_2 * (int64_t)f4; - int64_t f0f5_2 = f0_2 * (int64_t)f5; - int64_t f0f6_2 = f0_2 * (int64_t)f6; - int64_t f0f7_2 = f0_2 * (int64_t)f7; - int64_t f0f8_2 = f0_2 * (int64_t)f8; - int64_t f0f9_2 = f0_2 * (int64_t)f9; - int64_t f1f1_2 = f1_2 * (int64_t)f1; - int64_t f1f2_2 = f1_2 * (int64_t)f2; - int64_t f1f3_4 = f1_2 * (int64_t)f3_2; - int64_t f1f4_2 = f1_2 * (int64_t)f4; - int64_t f1f5_4 = f1_2 * (int64_t)f5_2; - int64_t f1f6_2 = f1_2 * (int64_t)f6; - int64_t f1f7_4 = f1_2 * (int64_t)f7_2; - int64_t f1f8_2 = f1_2 * (int64_t)f8; - int64_t f1f9_76 = f1_2 * (int64_t)f9_38; - int64_t f2f2 = f2 * (int64_t)f2; - int64_t f2f3_2 = f2_2 * (int64_t)f3; - int64_t f2f4_2 = f2_2 * (int64_t)f4; - int64_t f2f5_2 = f2_2 * (int64_t)f5; - int64_t f2f6_2 = f2_2 * (int64_t)f6; - int64_t f2f7_2 = f2_2 * (int64_t)f7; - int64_t f2f8_38 = f2_2 * (int64_t)f8_19; - int64_t f2f9_38 = f2 * (int64_t)f9_38; - int64_t f3f3_2 = f3_2 * (int64_t)f3; - int64_t f3f4_2 = f3_2 * (int64_t)f4; - int64_t f3f5_4 = f3_2 * (int64_t)f5_2; - int64_t f3f6_2 = f3_2 * (int64_t)f6; - int64_t f3f7_76 = f3_2 * (int64_t)f7_38; - int64_t f3f8_38 = f3_2 * (int64_t)f8_19; - int64_t f3f9_76 = f3_2 * (int64_t)f9_38; - int64_t f4f4 = f4 * (int64_t)f4; - int64_t f4f5_2 = f4_2 * (int64_t)f5; - int64_t f4f6_38 = f4_2 * (int64_t)f6_19; - int64_t f4f7_38 = f4 * (int64_t)f7_38; - int64_t f4f8_38 = f4_2 * (int64_t)f8_19; - int64_t f4f9_38 = f4 * (int64_t)f9_38; - int64_t f5f5_38 = f5 * (int64_t)f5_38; - int64_t f5f6_38 = f5_2 * (int64_t)f6_19; - int64_t f5f7_76 = f5_2 * (int64_t)f7_38; - int64_t f5f8_38 = f5_2 * (int64_t)f8_19; - int64_t f5f9_76 = f5_2 * (int64_t)f9_38; - int64_t f6f6_19 = f6 * (int64_t)f6_19; - int64_t f6f7_38 = f6 * (int64_t)f7_38; - int64_t f6f8_38 = f6_2 * (int64_t)f8_19; - int64_t f6f9_38 = f6 * (int64_t)f9_38; - int64_t f7f7_38 = f7 * (int64_t)f7_38; - int64_t f7f8_38 = f7_2 * (int64_t)f8_19; - int64_t f7f9_76 = f7_2 * (int64_t)f9_38; - int64_t f8f8_19 = f8 * (int64_t)f8_19; - int64_t f8f9_38 = f8 * (int64_t)f9_38; - int64_t f9f9_38 = f9 * (int64_t)f9_38; - int64_t h0 = f0f0 + f1f9_76 + f2f8_38 + f3f7_76 + f4f6_38 + f5f5_38; - int64_t h1 = f0f1_2 + f2f9_38 + f3f8_38 + f4f7_38 + f5f6_38; - int64_t h2 = f0f2_2 + f1f1_2 + f3f9_76 + f4f8_38 + f5f7_76 + f6f6_19; - int64_t h3 = f0f3_2 + f1f2_2 + f4f9_38 + f5f8_38 + f6f7_38; - int64_t h4 = f0f4_2 + f1f3_4 + f2f2 + f5f9_76 + f6f8_38 + f7f7_38; - int64_t h5 = f0f5_2 + f1f4_2 + f2f3_2 + f6f9_38 + f7f8_38; - int64_t h6 = f0f6_2 + f1f5_4 + f2f4_2 + f3f3_2 + f7f9_76 + f8f8_19; - int64_t h7 = f0f7_2 + f1f6_2 + f2f5_2 + f3f4_2 + f8f9_38; - int64_t h8 = f0f8_2 + f1f7_4 + f2f6_2 + f3f5_4 + f4f4 + f9f9_38; - int64_t h9 = f0f9_2 + f1f8_2 + f2f7_2 + f3f6_2 + f4f5_2; - int64_t carry0; - int64_t carry1; - int64_t carry2; - int64_t carry3; - int64_t carry4; - int64_t carry5; - int64_t carry6; - int64_t carry7; - int64_t carry8; - int64_t carry9; - - h0 += h0; - h1 += h1; - h2 += h2; - h3 += h3; - h4 += h4; - h5 += h5; - h6 += h6; - h7 += h7; - h8 += h8; - h9 += h9; - - carry0 = (h0 + (int64_t)(1 << 25)) >> 26; - h1 += carry0; - h0 -= carry0 << 26; - carry4 = (h4 + (int64_t)(1 << 25)) >> 26; - h5 += carry4; - h4 -= carry4 << 26; - - carry1 = (h1 + (int64_t)(1 << 24)) >> 25; - h2 += carry1; - h1 -= carry1 << 25; - carry5 = (h5 + (int64_t)(1 << 24)) >> 25; - h6 += carry5; - h5 -= carry5 << 25; - - carry2 = (h2 + (int64_t)(1 << 25)) >> 26; - h3 += carry2; - h2 -= carry2 << 26; - carry6 = (h6 + (int64_t)(1 << 25)) >> 26; - h7 += carry6; - h6 -= carry6 << 26; - - carry3 = (h3 + (int64_t)(1 << 24)) >> 25; - h4 += carry3; - h3 -= carry3 << 25; - carry7 = (h7 + (int64_t)(1 << 24)) >> 25; - h8 += carry7; - h7 -= carry7 << 25; - - carry4 = (h4 + (int64_t)(1 << 25)) >> 26; - h5 += carry4; - h4 -= carry4 << 26; - carry8 = (h8 + (int64_t)(1 << 25)) >> 26; - h9 += carry8; - h8 -= carry8 << 26; - - carry9 = (h9 + (int64_t)(1 << 24)) >> 25; - h0 += carry9 * 19; - h9 -= carry9 << 25; - - carry0 = (h0 + (int64_t)(1 << 25)) >> 26; - h1 += carry0; - h0 -= carry0 << 26; - - h[0] = h0; - h[1] = h1; - h[2] = h2; - h[3] = h3; - h[4] = h4; - h[5] = h5; - h[6] = h6; - h[7] = h7; - h[8] = h8; - h[9] = h9; -} - -/* From fe_sub.c */ - -/* -h = f - g -Can overlap h with f or g. - -Preconditions: - |f| bounded by 1.1*2^25,1.1*2^24,1.1*2^25,1.1*2^24,etc. - |g| bounded by 1.1*2^25,1.1*2^24,1.1*2^25,1.1*2^24,etc. - -Postconditions: - |h| bounded by 1.1*2^26,1.1*2^25,1.1*2^26,1.1*2^25,etc. -*/ - -// x -static void fe_sub(fe h, const fe f, const fe g) { - int32_t f0 = f[0]; - int32_t f1 = f[1]; - int32_t f2 = f[2]; - int32_t f3 = f[3]; - int32_t f4 = f[4]; - int32_t f5 = f[5]; - int32_t f6 = f[6]; - int32_t f7 = f[7]; - int32_t f8 = f[8]; - int32_t f9 = f[9]; - int32_t g0 = g[0]; - int32_t g1 = g[1]; - int32_t g2 = g[2]; - int32_t g3 = g[3]; - int32_t g4 = g[4]; - int32_t g5 = g[5]; - int32_t g6 = g[6]; - int32_t g7 = g[7]; - int32_t g8 = g[8]; - int32_t g9 = g[9]; - int32_t h0 = f0 - g0; - int32_t h1 = f1 - g1; - int32_t h2 = f2 - g2; - int32_t h3 = f3 - g3; - int32_t h4 = f4 - g4; - int32_t h5 = f5 - g5; - int32_t h6 = f6 - g6; - int32_t h7 = f7 - g7; - int32_t h8 = f8 - g8; - int32_t h9 = f9 - g9; - h[0] = h0; - h[1] = h1; - h[2] = h2; - h[3] = h3; - h[4] = h4; - h[5] = h5; - h[6] = h6; - h[7] = h7; - h[8] = h8; - h[9] = h9; -} - -/* From fe_tobytes.c */ - -/* -Preconditions: - |h| bounded by 1.1*2^26,1.1*2^25,1.1*2^26,1.1*2^25,etc. - -Write p=2^255-19; q=floor(h/p). -Basic claim: q = floor(2^(-255)(h + 19 2^(-25)h9 + 2^(-1))). - -Proof: - Have |h|<=p so |q|<=1 so |19^2 2^(-255) q|<1/4. - Also have |h-2^230 h9|<2^231 so |19 2^(-255)(h-2^230 h9)|<1/4. - - Write y=2^(-1)-19^2 2^(-255)q-19 2^(-255)(h-2^230 h9). - Then 0> 25; - q = (h0 + q) >> 26; - q = (h1 + q) >> 25; - q = (h2 + q) >> 26; - q = (h3 + q) >> 25; - q = (h4 + q) >> 26; - q = (h5 + q) >> 25; - q = (h6 + q) >> 26; - q = (h7 + q) >> 25; - q = (h8 + q) >> 26; - q = (h9 + q) >> 25; - - /* Goal: Output h-(2^255-19)q, which is between 0 and 2^255-20. */ - h0 += 19 * q; - /* Goal: Output h-2^255 q, which is between 0 and 2^255-20. */ - - carry0 = h0 >> 26; - h1 += carry0; - h0 -= carry0 << 26; - carry1 = h1 >> 25; - h2 += carry1; - h1 -= carry1 << 25; - carry2 = h2 >> 26; - h3 += carry2; - h2 -= carry2 << 26; - carry3 = h3 >> 25; - h4 += carry3; - h3 -= carry3 << 25; - carry4 = h4 >> 26; - h5 += carry4; - h4 -= carry4 << 26; - carry5 = h5 >> 25; - h6 += carry5; - h5 -= carry5 << 25; - carry6 = h6 >> 26; - h7 += carry6; - h6 -= carry6 << 26; - carry7 = h7 >> 25; - h8 += carry7; - h7 -= carry7 << 25; - carry8 = h8 >> 26; - h9 += carry8; - h8 -= carry8 << 26; - carry9 = h9 >> 25; - h9 -= carry9 << 25; - /* h10 = carry9 */ - - /* - Goal: Output h0+...+2^255 h10-2^255 q, which is between 0 and 2^255-20. - Have h0+...+2^230 h9 between 0 and 2^255-1; - evidently 2^255 h10-2^255 q = 0. - Goal: Output h0+...+2^230 h9. - */ - - s[0] = h0 >> 0; - s[1] = h0 >> 8; - s[2] = h0 >> 16; - s[3] = (h0 >> 24) | (h1 << 2); - s[4] = h1 >> 6; - s[5] = h1 >> 14; - s[6] = (h1 >> 22) | (h2 << 3); - s[7] = h2 >> 5; - s[8] = h2 >> 13; - s[9] = (h2 >> 21) | (h3 << 5); - s[10] = h3 >> 3; - s[11] = h3 >> 11; - s[12] = (h3 >> 19) | (h4 << 6); - s[13] = h4 >> 2; - s[14] = h4 >> 10; - s[15] = h4 >> 18; - s[16] = h5 >> 0; - s[17] = h5 >> 8; - s[18] = h5 >> 16; - s[19] = (h5 >> 24) | (h6 << 1); - s[20] = h6 >> 7; - s[21] = h6 >> 15; - s[22] = (h6 >> 23) | (h7 << 3); - s[23] = h7 >> 5; - s[24] = h7 >> 13; - s[25] = (h7 >> 21) | (h8 << 4); - s[26] = h8 >> 4; - s[27] = h8 >> 12; - s[28] = (h8 >> 20) | (h9 << 6); - s[29] = h9 >> 2; - s[30] = h9 >> 10; - s[31] = h9 >> 18; -} - -/* From ge_add.c */ - -// x -void ge_add(ge_p1p1* r, const ge_p3* p, const ge_cached* q) { - fe t0; - fe_add(r->X, p->Y, p->X); - fe_sub(r->Y, p->Y, p->X); - fe_mul(r->Z, r->X, q->YplusX); - fe_mul(r->Y, r->Y, q->YminusX); - fe_mul(r->T, q->T2d, p->T); - fe_mul(r->X, p->Z, q->Z); - fe_add(t0, r->X, r->X); - fe_sub(r->X, r->Z, r->Y); - fe_add(r->Y, r->Z, r->Y); - fe_add(r->Z, t0, r->T); - fe_sub(r->T, t0, r->T); -} - -/* From ge_double_scalarmult.c, modified */ - -static void slide(signed char* r, const unsigned char* a) { - int i; - int b; - int k; - - // this loop just makes a binary string out of a - // e.g. a = {3, 0, 0, ...} then r = 110000.... - for (i = 0; i < 256; ++i) { - r[i] = 1 & (a[i >> 3] >> (i & 7)); - } - - for (i = 0; i < 256; ++i) { - if (r[i]) { - for (b = 1; b <= 6 && i + b < 256; ++b) { - if (r[i + b]) { - if (r[i] + (r[i + b] << b) <= 15) { - r[i] += r[i + b] << b; - r[i + b] = 0; - } else if (r[i] - (r[i + b] << b) >= -15) { - r[i] -= r[i + b] << b; - for (k = i + b; k < 256; ++k) { - if (!r[k]) { - r[k] = 1; - break; - } - r[k] = 0; - } - } else - break; - } - } - } - } -} - -// double scalar mult precomp -void ge_dsm_precomp(ge_dsmp r, const ge_p3* s) { - ge_p1p1 t; - ge_p3 s2, u; - ge_p3_to_cached(&r[0], s); - ge_p3_dbl(&t, s); - ge_p1p1_to_p3(&s2, &t); - ge_add(&t, &s2, &r[0]); - ge_p1p1_to_p3(&u, &t); - ge_p3_to_cached(&r[1], &u); - ge_add(&t, &s2, &r[1]); - ge_p1p1_to_p3(&u, &t); - ge_p3_to_cached(&r[2], &u); - ge_add(&t, &s2, &r[2]); - ge_p1p1_to_p3(&u, &t); - ge_p3_to_cached(&r[3], &u); - ge_add(&t, &s2, &r[3]); - ge_p1p1_to_p3(&u, &t); - ge_p3_to_cached(&r[4], &u); - ge_add(&t, &s2, &r[4]); - ge_p1p1_to_p3(&u, &t); - ge_p3_to_cached(&r[5], &u); - ge_add(&t, &s2, &r[5]); - ge_p1p1_to_p3(&u, &t); - ge_p3_to_cached(&r[6], &u); - ge_add(&t, &s2, &r[6]); - ge_p1p1_to_p3(&u, &t); - ge_p3_to_cached(&r[7], &u); -} - -/* -r = a * A + b * B -where a = a[0]+256*a[1]+...+256^31 a[31]. -and b = b[0]+256*b[1]+...+256^31 b[31]. -B is the Ed25519 base point (x,4/5) with x positive. -*/ - -// this is a really simple alg. actually -void ge_double_scalarmult_base_vartime( - ge_p2* r, const unsigned char* a, const ge_p3* A, const unsigned char* b) { - signed char aslide[256]; - signed char bslide[256]; - ge_dsmp Ai; /* A, 3A, 5A, 7A, 9A, 11A, 13A, 15A */ - ge_p1p1 t; - ge_p3 u; - int i; - - slide(aslide, a); - slide(bslide, b); - ge_dsm_precomp(Ai, A); /* A, 3A, 5A, 7A, 9A, 11A, 13A, 15A */ - - ge_p2_0(r); - - for (i = 255; i >= 0; --i) { - // so this gets us to the highest i such that both have a nonzero - if (aslide[i] || bslide[i]) - break; - } - - for (; i >= 0; --i) { - ge_p2_dbl(&t, r); // simple double and add - - if (aslide[i] > 0) { - ge_p1p1_to_p3(&u, &t); - ge_add(&t, &u, &Ai[aslide[i] / 2]); - } else if (aslide[i] < 0) { - ge_p1p1_to_p3(&u, &t); - ge_sub(&t, &u, &Ai[(-aslide[i]) / 2]); - } - - if (bslide[i] > 0) { - ge_p1p1_to_p3(&u, &t); - ge_madd(&t, &u, &ge_Bi[bslide[i] / 2]); - } else if (bslide[i] < 0) { - ge_p1p1_to_p3(&u, &t); - ge_msub(&t, &u, &ge_Bi[(-bslide[i]) / 2]); - } - - ge_p1p1_to_p2(r, &t); - } -} - -/* From ge_frombytes.c, modified */ -// this is like xrecover .. -// x -int ge_frombytes_vartime(ge_p3* h, const unsigned char* s) { - fe u; - fe v; - fe vxx; - fe check; - - /* From fe_frombytes.c */ - - int64_t h0 = load_4(s); - int64_t h1 = load_3(s + 4) << 6; - int64_t h2 = load_3(s + 7) << 5; - int64_t h3 = load_3(s + 10) << 3; - int64_t h4 = load_3(s + 13) << 2; - int64_t h5 = load_4(s + 16); - int64_t h6 = load_3(s + 20) << 7; - int64_t h7 = load_3(s + 23) << 5; - int64_t h8 = load_3(s + 26) << 4; - int64_t h9 = (load_3(s + 29) & 8388607) << 2; - int64_t carry0; - int64_t carry1; - int64_t carry2; - int64_t carry3; - int64_t carry4; - int64_t carry5; - int64_t carry6; - int64_t carry7; - int64_t carry8; - int64_t carry9; - - /* Validate the number to be canonical */ - if (h9 == 33554428 && h8 == 268435440 && h7 == 536870880 && h6 == 2147483520 && - h5 == 4294967295 && h4 == 67108860 && h3 == 134217720 && h2 == 536870880 && - h1 == 1073741760 && h0 >= 4294967277) { - return -1; - } - - carry9 = (h9 + (int64_t)(1 << 24)) >> 25; - h0 += carry9 * 19; - h9 -= carry9 << 25; - carry1 = (h1 + (int64_t)(1 << 24)) >> 25; - h2 += carry1; - h1 -= carry1 << 25; - carry3 = (h3 + (int64_t)(1 << 24)) >> 25; - h4 += carry3; - h3 -= carry3 << 25; - carry5 = (h5 + (int64_t)(1 << 24)) >> 25; - h6 += carry5; - h5 -= carry5 << 25; - carry7 = (h7 + (int64_t)(1 << 24)) >> 25; - h8 += carry7; - h7 -= carry7 << 25; - - carry0 = (h0 + (int64_t)(1 << 25)) >> 26; - h1 += carry0; - h0 -= carry0 << 26; - carry2 = (h2 + (int64_t)(1 << 25)) >> 26; - h3 += carry2; - h2 -= carry2 << 26; - carry4 = (h4 + (int64_t)(1 << 25)) >> 26; - h5 += carry4; - h4 -= carry4 << 26; - carry6 = (h6 + (int64_t)(1 << 25)) >> 26; - h7 += carry6; - h6 -= carry6 << 26; - carry8 = (h8 + (int64_t)(1 << 25)) >> 26; - h9 += carry8; - h8 -= carry8 << 26; - - h->Y[0] = h0; - h->Y[1] = h1; - h->Y[2] = h2; - h->Y[3] = h3; - h->Y[4] = h4; - h->Y[5] = h5; - h->Y[6] = h6; - h->Y[7] = h7; - h->Y[8] = h8; - h->Y[9] = h9; - - /* End fe_frombytes.c */ - - fe_1(h->Z); - fe_sq(u, h->Y); - fe_mul(v, u, fe_d); - fe_sub(u, u, h->Z); /* u = y^2-1 */ - fe_add(v, v, h->Z); /* v = dy^2+1 */ - - fe_divpowm1(h->X, u, v); /* x = uv^3(uv^7)^((q-5)/8) */ - - fe_sq(vxx, h->X); - fe_mul(vxx, vxx, v); - fe_sub(check, vxx, u); /* vx^2-u */ - if (fe_isnonzero(check)) { - fe_add(check, vxx, u); /* vx^2+u */ - if (fe_isnonzero(check)) { - return -1; - } - fe_mul(h->X, - h->X, - fe_sqrtm1); // this is mapping X to X * sqrt(-1) c.f. 3.1 in hisil, dong, etc. - } - - if (fe_isnegative(h->X) != (s[31] >> 7)) { - /* If x = 0, the sign must be positive */ - if (!fe_isnonzero(h->X)) { - return -1; - } - fe_neg(h->X, h->X); - } - - fe_mul(h->T, h->X, h->Y); - return 0; -} - -/* From ge_madd.c */ - -/* -r = p + q -*/ - -// x -static void ge_madd(ge_p1p1* r, const ge_p3* p, const ge_precomp* q) { - fe t0; - fe_add(r->X, p->Y, p->X); - fe_sub(r->Y, p->Y, p->X); - fe_mul(r->Z, r->X, q->yplusx); - fe_mul(r->Y, r->Y, q->yminusx); - fe_mul(r->T, q->xy2d, p->T); - fe_add(t0, p->Z, p->Z); - fe_sub(r->X, r->Z, r->Y); - fe_add(r->Y, r->Z, r->Y); - fe_add(r->Z, t0, r->T); - fe_sub(r->T, t0, r->T); -} - -/* From ge_msub.c */ - -/* -r = p - q -*/ - -// x -static void ge_msub(ge_p1p1* r, const ge_p3* p, const ge_precomp* q) { - fe t0; - fe_add(r->X, p->Y, p->X); - fe_sub(r->Y, p->Y, p->X); - fe_mul(r->Z, r->X, q->yminusx); - fe_mul(r->Y, r->Y, q->yplusx); - fe_mul(r->T, q->xy2d, p->T); - fe_add(t0, p->Z, p->Z); - fe_sub(r->X, r->Z, r->Y); - fe_add(r->Y, r->Z, r->Y); - fe_sub(r->Z, t0, r->T); - fe_add(r->T, t0, r->T); -} - -/* From ge_p1p1_to_p2.c */ - -/* -r = p -*/ - -// x -void ge_p1p1_to_p2(ge_p2* r, const ge_p1p1* p) { - fe_mul(r->X, p->X, p->T); - fe_mul(r->Y, p->Y, p->Z); - fe_mul(r->Z, p->Z, p->T); -} - -/* From ge_p1p1_to_p3.c */ - -/* -r = p -*/ - -// x -void ge_p1p1_to_p3(ge_p3* r, const ge_p1p1* p) { - fe_mul(r->X, p->X, p->T); - fe_mul(r->Y, p->Y, p->Z); - fe_mul(r->Z, p->Z, p->T); - fe_mul(r->T, p->X, p->Y); -} - -/* From ge_p2_0.c */ - -// x -static void ge_p2_0(ge_p2* h) { - fe_0(h->X); - fe_1(h->Y); - fe_1(h->Z); -} - -/* From ge_p2_dbl.c */ - -/* -r = 2 * p -*/ - -// x -void ge_p2_dbl(ge_p1p1* r, const ge_p2* p) { - fe t0; - fe_sq(r->X, p->X); - fe_sq(r->Z, p->Y); - fe_sq2(r->T, p->Z); - fe_add(r->Y, p->X, p->Y); - fe_sq(t0, r->Y); - fe_add(r->Y, r->Z, r->X); - fe_sub(r->Z, r->Z, r->X); - fe_sub(r->X, t0, r->Y); - fe_sub(r->T, r->T, r->Z); -} - -/* From ge_p3_0.c */ - -// x -static void ge_p3_0(ge_p3* h) { - fe_0(h->X); - fe_1(h->Y); - fe_1(h->Z); - fe_0(h->T); -} - -/* From ge_p3_dbl.c */ - -/* -r = 2 * p -*/ - -// x -static void ge_p3_dbl(ge_p1p1* r, const ge_p3* p) { - ge_p2 q; - ge_p3_to_p2(&q, p); - ge_p2_dbl(r, &q); -} - -/* From ge_p3_to_cached.c */ - -/* -r = p -*/ - -// x -void ge_p3_to_cached(ge_cached* r, const ge_p3* p) { - fe_add(r->YplusX, p->Y, p->X); - fe_sub(r->YminusX, p->Y, p->X); - fe_copy(r->Z, p->Z); - fe_mul(r->T2d, p->T, fe_d2); -} - -/* From ge_p3_to_p2.c */ - -/* -r = p -*/ - -// x -void ge_p3_to_p2(ge_p2* r, const ge_p3* p) { - fe_copy(r->X, p->X); - fe_copy(r->Y, p->Y); - fe_copy(r->Z, p->Z); -} - -/* From ge_p3_tobytes.c */ - -// x -void ge_p3_tobytes(unsigned char* s, const ge_p3* h) { - fe recip; - fe x; - fe y; - - fe_invert(recip, h->Z); - fe_mul(x, h->X, recip); - fe_mul(y, h->Y, recip); - fe_tobytes(s, y); - s[31] ^= fe_isnegative(x) << 7; -} - -/* From ge_precomp_0.c */ - -// x -static void ge_precomp_0(ge_precomp* h) { - fe_1(h->yplusx); - fe_1(h->yminusx); - fe_0(h->xy2d); -} - -/* From ge_scalarmult_base.c */ - -// x -static unsigned char equal(signed char b, signed char c) { - unsigned char ub = b; - unsigned char uc = c; - unsigned char x = ub ^ uc; /* 0: yes; 1..255: no */ - uint32_t y = x; /* 0: yes; 1..255: no */ - y -= 1; /* 4294967295: yes; 0..254: no */ - y >>= 31; /* 1: yes; 0: no */ - return y; -} - -static unsigned char negative(signed char b) { - unsigned long long x = b; /* 18446744073709551361..18446744073709551615: yes; 0..255: no */ - x >>= 63; /* 1: yes; 0: no */ - return x; -} - -static void ge_precomp_cmov(ge_precomp* t, const ge_precomp* u, unsigned char b) { - fe_cmov(t->yplusx, u->yplusx, b); - fe_cmov(t->yminusx, u->yminusx, b); - fe_cmov(t->xy2d, u->xy2d, b); -} - -static void select(ge_precomp* t, int pos, signed char b) { - ge_precomp minust; - unsigned char bnegative = negative(b); - unsigned char babs = b - (((-bnegative) & b) << 1); - - ge_precomp_0(t); - ge_precomp_cmov(t, &ge_base[pos][0], equal(babs, 1)); - ge_precomp_cmov(t, &ge_base[pos][1], equal(babs, 2)); - ge_precomp_cmov(t, &ge_base[pos][2], equal(babs, 3)); - ge_precomp_cmov(t, &ge_base[pos][3], equal(babs, 4)); - ge_precomp_cmov(t, &ge_base[pos][4], equal(babs, 5)); - ge_precomp_cmov(t, &ge_base[pos][5], equal(babs, 6)); - ge_precomp_cmov(t, &ge_base[pos][6], equal(babs, 7)); - ge_precomp_cmov(t, &ge_base[pos][7], equal(babs, 8)); - fe_copy(minust.yplusx, t->yminusx); - fe_copy(minust.yminusx, t->yplusx); - fe_neg(minust.xy2d, t->xy2d); - ge_precomp_cmov(t, &minust, bnegative); -} - -/* -h = a * B -where a = a[0]+256*a[1]+...+256^31 a[31] -B is the Ed25519 base point (x,4/5) with x positive. - -Preconditions: - a[31] <= 127 -*/ - -void ge_scalarmult_base(ge_p3* h, const unsigned char* a) { - signed char e[64]; - signed char carry; - ge_p1p1 r; - ge_p2 s; - ge_precomp t; - int i; - - for (i = 0; i < 32; ++i) { - e[2 * i + 0] = (a[i] >> 0) & 15; - e[2 * i + 1] = (a[i] >> 4) & 15; - } - /* each e[i] is between 0 and 15 */ - /* e[63] is between 0 and 7 */ - - carry = 0; - for (i = 0; i < 63; ++i) { - e[i] += carry; - carry = e[i] + 8; - carry >>= 4; - e[i] -= carry << 4; - } - e[63] += carry; - /* each e[i] is between -8 and 8 */ - - ge_p3_0(h); - // note, these are indexing from 1, 3, 5, etc. - for (i = 1; i < 64; i += 2) { - select(&t, i / 2, e[i]); // here's where you grab multiples of the basepoint .. - // so must be doing e P = (e[0] (2^4)^0 P + e[1] (2^4)^1 P + e[2] (2^4)^2 P + ...) - // except, probably writing in big-endian to make more sense.. - // and the e[i] P are going to be pre-computed... - // so have to wonder if by precomputing more, if can save time?? - ge_madd(&r, h, &t); - ge_p1p1_to_p3(h, &r); - } - - ge_p3_dbl(&r, h); - ge_p1p1_to_p2(&s, &r); - ge_p2_dbl(&r, &s); - ge_p1p1_to_p2(&s, &r); - ge_p2_dbl(&r, &s); - ge_p1p1_to_p2(&s, &r); - ge_p2_dbl(&r, &s); - ge_p1p1_to_p3(h, &r); - - // note, these are indexing from 0, 2, 4, etc. - for (i = 0; i < 64; i += 2) { - select(&t, i / 2, e[i]); - ge_madd(&r, h, &t); - ge_p1p1_to_p3(h, &r); - } -} - -/* From ge_sub.c */ - -/* -r = p - q -*/ - -// x -static void ge_sub(ge_p1p1* r, const ge_p3* p, const ge_cached* q) { - fe t0; - fe_add(r->X, p->Y, p->X); - fe_sub(r->Y, p->Y, p->X); - fe_mul(r->Z, r->X, q->YminusX); - fe_mul(r->Y, r->Y, q->YplusX); - fe_mul(r->T, q->T2d, p->T); - fe_mul(r->X, p->Z, q->Z); - fe_add(t0, r->X, r->X); - fe_sub(r->X, r->Z, r->Y); - fe_add(r->Y, r->Z, r->Y); - fe_sub(r->Z, t0, r->T); - fe_add(r->T, t0, r->T); -} - -/* From ge_tobytes.c */ - -// x -void ge_tobytes(unsigned char* s, const ge_p2* h) { - fe recip; - fe x; - fe y; - - fe_invert(recip, h->Z); - fe_mul(x, h->X, recip); - fe_mul(y, h->Y, recip); - fe_tobytes(s, y); - s[31] ^= fe_isnegative(x) << 7; -} - -/* From sc_reduce.c */ - -/* -Input: - s[0]+256*s[1]+...+256^63*s[63] = s - -Output: - s[0]+256*s[1]+...+256^31*s[31] = s mod l - where l = 2^252 + 27742317777372353535851937790883648493. - Overwrites s in place. -*/ - -// x -void sc_reduce(unsigned char* s) { - // the point is to load in 21 bits at a time.. - // Mininero should give you the ints 2097151, the shifts below, and either load 3 or 4 - int64_t s0 = - 2097151 & - load_3(s); // 2097151 is 21 1's in binary, so there are possible 5 bits left over.. - int64_t s1 = 2097151 & (load_4(s + 2) >> - 5); // now you start at 2^16, so you have to move right 5 bits to - // 2^21.., the 2 comes from the fact that you loaded 3 last time.. - int64_t s2 = - 2097151 & (load_3(s + 5) >> 2); // in last one you had bits 22 ->42, you are starting - // at (2^8)^5 = 2^40, so need to move right 2 bits... - int64_t s3 = 2097151 & (load_4(s + 7) >> 7); // etc... - int64_t s4 = 2097151 & (load_4(s + 10) >> 4); // ahh, these are "int 64;s" - int64_t s5 = 2097151 & (load_3(s + 13) >> 1); // not uint 64s - int64_t s6 = 2097151 & (load_4(s + 15) >> 6); - int64_t s7 = 2097151 & (load_3(s + 18) >> 3); - int64_t s8 = 2097151 & load_3(s + 21); - int64_t s9 = 2097151 & (load_4(s + 23) >> 5); - int64_t s10 = 2097151 & (load_3(s + 26) >> 2); - int64_t s11 = 2097151 & (load_4(s + 28) >> 7); - int64_t s12 = 2097151 & (load_4(s + 31) >> 4); - int64_t s13 = 2097151 & (load_3(s + 34) >> 1); - int64_t s14 = 2097151 & (load_4(s + 36) >> 6); - int64_t s15 = 2097151 & (load_3(s + 39) >> 3); - int64_t s16 = 2097151 & load_3(s + 42); - int64_t s17 = 2097151 & (load_4(s + 44) >> 5); - int64_t s18 = 2097151 & (load_3(s + 47) >> 2); - int64_t s19 = 2097151 & (load_4(s + 49) >> 7); - int64_t s20 = 2097151 & (load_4(s + 52) >> 4); - int64_t s21 = 2097151 & (load_3(s + 55) >> 1); - int64_t s22 = 2097151 & (load_4(s + 57) >> 6); - int64_t s23 = (load_4(s + 60) >> 3); // note no &2097151 here .. - // so rather than doing 24 = 512 - // we've done 23 = 504 - // so curve size rather than - // size of s - // this should be handled - // at the end with those - // two extra reductions - int64_t carry0; - int64_t carry1; - int64_t carry2; - int64_t carry3; - int64_t carry4; - int64_t carry5; - int64_t carry6; - int64_t carry7; - int64_t carry8; - int64_t carry9; - int64_t carry10; - int64_t carry11; - int64_t carry12; - int64_t carry13; - int64_t carry14; - int64_t carry15; - int64_t carry16; - // 17 carries because 11, 12, ... 16 = #digits in l - - // reduce first 105 bits.. to go from 504 to 399 - // Note that 683901 * 2^(5*21) - 136657 * 2^(4 * 21) + ... - 66643 = - // 27742317777372353535851937790883648493, which is c in the curve order.. - s11 += s23 * 666643; // =1430509 - 2 ^ 21 //note there is a 12 step difference, 12^21 = 252 - // so you subtract q 12^21 and then add c at each step.. - // just have to be careful of the carries .. - // If you are using unsigned int's, you had better carry at each step - // so the first step is to factorize 252 and whatever radix - // must be in those factors.. - s12 += s23 * 470296; // = 1626855 - 2^21 - 1 - s13 += s23 * 654183; // = 1442968 - 2 ^ 21 - 1? - s14 -= s23 * 997805; // note the negative ones are same as result from toDigits - s15 += s23 * 136657; // 1960495 - 2 ** 21 - s16 -= s23 * 683901; // note negative ones are same - - s10 += s22 * 666643; // 22 - 10 = 12, 12 * 21 = 252 - s11 += s22 * 470296; - s12 += s22 * 654183; - s13 -= s22 * 997805; - s14 += s22 * 136657; - s15 -= s22 * 683901; - - s9 += s21 * 666643; // 21 - 9 = 12 - s10 += s21 * 470296; - s11 += s21 * 654183; - s12 -= s21 * 997805; - s13 += s21 * 136657; - s14 -= s21 * 683901; - - s8 += s20 * 666643; - s9 += s20 * 470296; - s10 += s20 * 654183; - s11 -= s20 * 997805; - s12 += s20 * 136657; - s13 -= s20 * 683901; - - s7 += s19 * 666643; - s8 += s19 * 470296; - s9 += s19 * 654183; - s10 -= s19 * 997805; - s11 += s19 * 136657; - s12 -= s19 * 683901; - - s6 += s18 * 666643; - s7 += s18 * 470296; - s8 += s18 * 654183; - s9 -= s18 * 997805; - s10 += s18 * 136657; - s11 -= s18 * 683901; - // so we repeat this until we get down to s11 - // note that 11 * 21 = 231 - - // 1st carry... - // note span = 6 here - carry6 = (s6 + (1 << 20)) >> 21; - s7 += carry6; - s6 -= carry6 << 21; // take parts that are more than 21 bits in new s6 and add to s7.. - carry8 = (s8 + (1 << 20)) >> 21; - s9 += carry8; - s8 -= carry8 << 21; - carry10 = (s10 + (1 << 20)) >> 21; - s11 += carry10; - s10 -= carry10 << 21; - carry12 = (s12 + (1 << 20)) >> 21; - s13 += carry12; - s12 -= carry12 << 21; - carry14 = (s14 + (1 << 20)) >> 21; - s15 += carry14; - s14 -= carry14 << 21; - carry16 = (s16 + (1 << 20)) >> 21; - s17 += carry16; - s16 -= carry16 << 21; - - // span = 5 here - carry7 = (s7 + (1 << 20)) >> 21; - s8 += carry7; - s7 -= carry7 << 21; - carry9 = (s9 + (1 << 20)) >> 21; - s10 += carry9; - s9 -= carry9 << 21; - carry11 = (s11 + (1 << 20)) >> 21; - s12 += carry11; - s11 -= carry11 << 21; - carry13 = (s13 + (1 << 20)) >> 21; - s14 += carry13; - s13 -= carry13 << 21; - carry15 = (s15 + (1 << 20)) >> 21; - s16 += carry15; - s15 -= carry15 << 21; - - // reduce 105 bits to go from 399 to 294 - s5 += s17 * 666643; // 17 - 5 = 12 = 252/21 - s6 += s17 * 470296; - s7 += s17 * 654183; - s8 -= s17 * 997805; - s9 += s17 * 136657; - s10 -= s17 * 683901; - - s4 += s16 * 666643; - s5 += s16 * 470296; - s6 += s16 * 654183; - s7 -= s16 * 997805; - s8 += s16 * 136657; - s9 -= s16 * 683901; - - s3 += s15 * 666643; - s4 += s15 * 470296; - s5 += s15 * 654183; - s6 -= s15 * 997805; - s7 += s15 * 136657; - s8 -= s15 * 683901; - - s2 += s14 * 666643; - s3 += s14 * 470296; - s4 += s14 * 654183; - s5 -= s14 * 997805; - s6 += s14 * 136657; - s7 -= s14 * 683901; - - s1 += s13 * 666643; - s2 += s13 * 470296; - s3 += s13 * 654183; - s4 -= s13 * 997805; - s5 += s13 * 136657; - s6 -= s13 * 683901; - - s0 += s12 * 666643; // 12 - 0 = 12.. - s1 += s12 * 470296; - s2 += s12 * 654183; - s3 -= s12 * 997805; - s4 += s12 * 136657; - s5 -= s12 * 683901; - s12 = 0; - - // 2nd carry - carry0 = (s0 + (1 << 20)) >> 21; - s1 += carry0; - s0 -= carry0 << 21; - carry2 = (s2 + (1 << 20)) >> 21; - s3 += carry2; - s2 -= carry2 << 21; - carry4 = (s4 + (1 << 20)) >> 21; - s5 += carry4; - s4 -= carry4 << 21; - carry6 = (s6 + (1 << 20)) >> 21; - s7 += carry6; - s6 -= carry6 << 21; - carry8 = (s8 + (1 << 20)) >> 21; - s9 += carry8; - s8 -= carry8 << 21; - carry10 = (s10 + (1 << 20)) >> 21; - s11 += carry10; - s10 -= carry10 << 21; - - carry1 = (s1 + (1 << 20)) >> 21; - s2 += carry1; - s1 -= carry1 << 21; - carry3 = (s3 + (1 << 20)) >> 21; - s4 += carry3; - s3 -= carry3 << 21; - carry5 = (s5 + (1 << 20)) >> 21; - s6 += carry5; - s5 -= carry5 << 21; - carry7 = (s7 + (1 << 20)) >> 21; - s8 += carry7; - s7 -= carry7 << 21; - carry9 = (s9 + (1 << 20)) >> 21; - s10 += carry9; - s9 -= carry9 << 21; - carry11 = (s11 + (1 << 20)) >> 21; - s12 += carry11; - s11 -= carry11 << 21; - - // reduce another 21 bits... go from 294 to 273 - s0 += s12 * 666643; - s1 += s12 * 470296; - s2 += s12 * 654183; - s3 -= s12 * 997805; - s4 += s12 * 136657; - s5 -= s12 * 683901; - s12 = 0; - - // 3rd carry - carry0 = s0 >> 21; - s1 += carry0; - s0 -= carry0 << 21; - carry1 = s1 >> 21; - s2 += carry1; - s1 -= carry1 << 21; - carry2 = s2 >> 21; - s3 += carry2; - s2 -= carry2 << 21; - carry3 = s3 >> 21; - s4 += carry3; - s3 -= carry3 << 21; - carry4 = s4 >> 21; - s5 += carry4; - s4 -= carry4 << 21; - carry5 = s5 >> 21; - s6 += carry5; - s5 -= carry5 << 21; - carry6 = s6 >> 21; - s7 += carry6; - s6 -= carry6 << 21; - carry7 = s7 >> 21; - s8 += carry7; - s7 -= carry7 << 21; - carry8 = s8 >> 21; - s9 += carry8; - s8 -= carry8 << 21; - carry9 = s9 >> 21; - s10 += carry9; - s9 -= carry9 << 21; - carry10 = s10 >> 21; - s11 += carry10; - s10 -= carry10 << 21; - carry11 = s11 >> 21; - s12 += carry11; - s11 -= carry11 << 21; - - // reduce last 21 bits to go from 273 to get to 2^252.. - s0 += s12 * 666643; - s1 += s12 * 470296; - s2 += s12 * 654183; - s3 -= s12 * 997805; - s4 += s12 * 136657; - s5 -= s12 * 683901; - - // carry - carry0 = s0 >> 21; - s1 += carry0; - s0 -= carry0 << 21; - carry1 = s1 >> 21; - s2 += carry1; - s1 -= carry1 << 21; - carry2 = s2 >> 21; - s3 += carry2; - s2 -= carry2 << 21; - carry3 = s3 >> 21; - s4 += carry3; - s3 -= carry3 << 21; - carry4 = s4 >> 21; - s5 += carry4; - s4 -= carry4 << 21; - carry5 = s5 >> 21; - s6 += carry5; - s5 -= carry5 << 21; - carry6 = s6 >> 21; - s7 += carry6; - s6 -= carry6 << 21; - carry7 = s7 >> 21; - s8 += carry7; - s7 -= carry7 << 21; - carry8 = s8 >> 21; - s9 += carry8; - s8 -= carry8 << 21; - carry9 = s9 >> 21; - s10 += carry9; - s9 -= carry9 << 21; - carry10 = s10 >> 21; - s11 += carry10; - s10 -= carry10 << 21; - - // go from 2^[256/12]'s to 2^[256/32]'s - s[0] = s0 >> 0; - s[1] = s0 >> 8; - s[2] = (s0 >> 16) | (s1 << 5); // | since there is no overlap - s[3] = s1 >> 3; - s[4] = s1 >> 11; - s[5] = (s1 >> 19) | (s2 << 2); - s[6] = s2 >> 6; - s[7] = (s2 >> 14) | (s3 << 7); - s[8] = s3 >> 1; - s[9] = s3 >> 9; - s[10] = (s3 >> 17) | (s4 << 4); - s[11] = s4 >> 4; - s[12] = s4 >> 12; - s[13] = (s4 >> 20) | (s5 << 1); - s[14] = s5 >> 7; - s[15] = (s5 >> 15) | (s6 << 6); - s[16] = s6 >> 2; - s[17] = s6 >> 10; - s[18] = (s6 >> 18) | (s7 << 3); - s[19] = s7 >> 5; - s[20] = s7 >> 13; - s[21] = s8 >> 0; - s[22] = s8 >> 8; - s[23] = (s8 >> 16) | (s9 << 5); - s[24] = s9 >> 3; - s[25] = s9 >> 11; - s[26] = (s9 >> 19) | (s10 << 2); - s[27] = s10 >> 6; - s[28] = (s10 >> 14) | (s11 << 7); - s[29] = s11 >> 1; - s[30] = s11 >> 9; - s[31] = s11 >> 17; -} - -/* New code */ -/* (u / v)^(m + 1) */ -static void fe_divpowm1(fe r, const fe u, const fe v) { - fe v3, uv7, t0, t1, t2; - int i; - - fe_sq(v3, v); - fe_mul(v3, v3, v); /* v3 = v^3 */ - fe_sq(uv7, v3); - fe_mul(uv7, uv7, v); - fe_mul(uv7, uv7, u); /* uv7 = uv^7 */ - - /*fe_pow22523(uv7, uv7);*/ - - /* From fe_pow22523.c */ - - fe_sq(t0, uv7); - fe_sq(t1, t0); - fe_sq(t1, t1); - fe_mul(t1, uv7, t1); - fe_mul(t0, t0, t1); - fe_sq(t0, t0); - fe_mul(t0, t1, t0); - fe_sq(t1, t0); - for (i = 0; i < 4; ++i) { - fe_sq(t1, t1); - } - fe_mul(t0, t1, t0); - fe_sq(t1, t0); - for (i = 0; i < 9; ++i) { - fe_sq(t1, t1); - } - fe_mul(t1, t1, t0); - fe_sq(t2, t1); - for (i = 0; i < 19; ++i) { - fe_sq(t2, t2); - } - fe_mul(t1, t2, t1); - for (i = 0; i < 10; ++i) { - fe_sq(t1, t1); - } - fe_mul(t0, t1, t0); - fe_sq(t1, t0); - for (i = 0; i < 49; ++i) { - fe_sq(t1, t1); - } - fe_mul(t1, t1, t0); - fe_sq(t2, t1); - for (i = 0; i < 99; ++i) { - fe_sq(t2, t2); - } - fe_mul(t1, t2, t1); - for (i = 0; i < 50; ++i) { - fe_sq(t1, t1); - } - fe_mul(t0, t1, t0); - fe_sq(t0, t0); - fe_sq(t0, t0); - fe_mul(t0, t0, uv7); - - /* End fe_pow22523.c */ - /* t0 = (uv^7)^((q-5)/8) */ - fe_mul(t0, t0, v3); - fe_mul(r, t0, u); /* u^(m+1)v^(-(m+1)) */ -} - -static void ge_cached_0(ge_cached* r) { - fe_1(r->YplusX); - fe_1(r->YminusX); - fe_1(r->Z); - fe_0(r->T2d); -} - -static void ge_cached_cmov(ge_cached* t, const ge_cached* u, unsigned char b) { - fe_cmov(t->YplusX, u->YplusX, b); - fe_cmov(t->YminusX, u->YminusX, b); - fe_cmov(t->Z, u->Z, b); - fe_cmov(t->T2d, u->T2d, b); -} - -/* Assumes that a[31] <= 127 */ -void ge_scalarmult(ge_p2* r, const unsigned char* a, const ge_p3* A) { - signed char e[64]; - int carry, carry2, i; - ge_cached Ai[8]; /* 1 * A, 2 * A, ..., 8 * A */ - ge_p1p1 t; - ge_p3 u; - - carry = 0; /* 0..1 */ - for (i = 0; i < 31; i++) { - carry += a[i]; /* 0..256 */ - carry2 = (carry + 8) >> 4; /* 0..16 */ - e[2 * i] = carry - (carry2 << 4); /* -8..7 */ - carry = (carry2 + 8) >> 4; /* 0..1 */ - e[2 * i + 1] = carry2 - (carry << 4); /* -8..7 */ - } - carry += a[31]; /* 0..128 */ - carry2 = (carry + 8) >> 4; /* 0..8 */ - e[62] = carry - (carry2 << 4); /* -8..7 */ - e[63] = carry2; /* 0..8 */ - - ge_p3_to_cached(&Ai[0], A); - for (i = 0; i < 7; i++) { - ge_add(&t, A, &Ai[i]); - ge_p1p1_to_p3(&u, &t); - ge_p3_to_cached(&Ai[i + 1], &u); - } - - ge_p2_0(r); - for (i = 63; i >= 0; i--) { - signed char b = e[i]; - unsigned char bnegative = negative(b); - unsigned char babs = b - (((-bnegative) & b) << 1); - ge_cached cur, minuscur; - ge_p2_dbl(&t, r); - ge_p1p1_to_p2(r, &t); - ge_p2_dbl(&t, r); - ge_p1p1_to_p2(r, &t); - ge_p2_dbl(&t, r); - ge_p1p1_to_p2(r, &t); - ge_p2_dbl(&t, r); - ge_p1p1_to_p3(&u, &t); - ge_cached_0(&cur); - ge_cached_cmov(&cur, &Ai[0], equal(babs, 1)); - ge_cached_cmov(&cur, &Ai[1], equal(babs, 2)); - ge_cached_cmov(&cur, &Ai[2], equal(babs, 3)); - ge_cached_cmov(&cur, &Ai[3], equal(babs, 4)); - ge_cached_cmov(&cur, &Ai[4], equal(babs, 5)); - ge_cached_cmov(&cur, &Ai[5], equal(babs, 6)); - ge_cached_cmov(&cur, &Ai[6], equal(babs, 7)); - ge_cached_cmov(&cur, &Ai[7], equal(babs, 8)); - fe_copy(minuscur.YplusX, cur.YminusX); - fe_copy(minuscur.YminusX, cur.YplusX); - fe_copy(minuscur.Z, cur.Z); - fe_neg(minuscur.T2d, cur.T2d); - ge_cached_cmov(&cur, &minuscur, bnegative); - ge_add(&t, &u, &cur); - ge_p1p1_to_p2(r, &t); - } -} - -// assume Bi has precomputed multiples -void ge_double_scalarmult_precomp_vartime( - ge_p2* r, - const unsigned char* a, - const ge_p3* A, - const unsigned char* b, - const ge_dsmp Bi) { - signed char aslide[256]; - signed char bslide[256]; - ge_dsmp Ai; /* A, 3A, 5A, 7A, 9A, 11A, 13A, 15A */ // precomps - ge_p1p1 t; - ge_p3 u; - int i; - - slide(aslide, a); - slide(bslide, b); - ge_dsm_precomp(Ai, A); - - ge_p2_0(r); - - for (i = 255; i >= 0; --i) { - if (aslide[i] || bslide[i]) - break; - } - - for (; i >= 0; --i) { - ge_p2_dbl(&t, r); - - if (aslide[i] > 0) { - ge_p1p1_to_p3(&u, &t); - ge_add(&t, &u, &Ai[aslide[i] / 2]); - } else if (aslide[i] < 0) { - ge_p1p1_to_p3(&u, &t); - ge_sub(&t, &u, &Ai[(-aslide[i]) / 2]); - } - - if (bslide[i] > 0) { - ge_p1p1_to_p3(&u, &t); - ge_add(&t, &u, &Bi[bslide[i] / 2]); - } else if (bslide[i] < 0) { - ge_p1p1_to_p3(&u, &t); - ge_sub(&t, &u, &Bi[(-bslide[i]) / 2]); - } - - ge_p1p1_to_p2(r, &t); - } -} - -// x -void ge_mul8(ge_p1p1* r, const ge_p2* t) { - ge_p2 u; - ge_p2_dbl(r, t); - ge_p1p1_to_p2(&u, r); - ge_p2_dbl(r, &u); - ge_p1p1_to_p2(&u, r); - ge_p2_dbl(r, &u); -} - -// x -void ge_fromfe_frombytes_vartime(ge_p2* r, const unsigned char* s) { - fe u, v, w, x, y, z; - unsigned char sign; - - /* From fe_frombytes.c */ - - int64_t h0 = load_4(s); - int64_t h1 = load_3(s + 4) << 6; - int64_t h2 = load_3(s + 7) << 5; - int64_t h3 = load_3(s + 10) << 3; - int64_t h4 = load_3(s + 13) << 2; - int64_t h5 = load_4(s + 16); - int64_t h6 = load_3(s + 20) << 7; - int64_t h7 = load_3(s + 23) << 5; - int64_t h8 = load_3(s + 26) << 4; - int64_t h9 = load_3(s + 29) << 2; - int64_t carry0; - int64_t carry1; - int64_t carry2; - int64_t carry3; - int64_t carry4; - int64_t carry5; - int64_t carry6; - int64_t carry7; - int64_t carry8; - int64_t carry9; - - carry9 = (h9 + (int64_t)(1 << 24)) >> 25; - h0 += carry9 * 19; - h9 -= carry9 << 25; - carry1 = (h1 + (int64_t)(1 << 24)) >> 25; - h2 += carry1; - h1 -= carry1 << 25; - carry3 = (h3 + (int64_t)(1 << 24)) >> 25; - h4 += carry3; - h3 -= carry3 << 25; - carry5 = (h5 + (int64_t)(1 << 24)) >> 25; - h6 += carry5; - h5 -= carry5 << 25; - carry7 = (h7 + (int64_t)(1 << 24)) >> 25; - h8 += carry7; - h7 -= carry7 << 25; - - carry0 = (h0 + (int64_t)(1 << 25)) >> 26; - h1 += carry0; - h0 -= carry0 << 26; - carry2 = (h2 + (int64_t)(1 << 25)) >> 26; - h3 += carry2; - h2 -= carry2 << 26; - carry4 = (h4 + (int64_t)(1 << 25)) >> 26; - h5 += carry4; - h4 -= carry4 << 26; - carry6 = (h6 + (int64_t)(1 << 25)) >> 26; - h7 += carry6; - h6 -= carry6 << 26; - carry8 = (h8 + (int64_t)(1 << 25)) >> 26; - h9 += carry8; - h8 -= carry8 << 26; - - u[0] = h0; - u[1] = h1; - u[2] = h2; - u[3] = h3; - u[4] = h4; - u[5] = h5; - u[6] = h6; - u[7] = h7; - u[8] = h8; - u[9] = h9; - - /* End fe_frombytes.c */ - - fe_sq2(v, u); /* 2 * u^2 */ - fe_1(w); - fe_add(w, v, w); /* w = 2 * u^2 + 1 */ - fe_sq(x, w); /* w^2 */ - fe_mul(y, fe_ma2, v); /* -2 * A^2 * u^2 */ - fe_add(x, x, y); /* x = w^2 - 2 * A^2 * u^2 */ - fe_divpowm1(r->X, w, x); /* (w / x)^(m + 1) */ - fe_sq(y, r->X); - fe_mul(x, y, x); - fe_sub(y, w, x); - fe_copy(z, fe_ma); - if (fe_isnonzero(y)) { - fe_add(y, w, x); - if (fe_isnonzero(y)) { - goto negative; - } else { - fe_mul(r->X, r->X, fe_fffb1); - } - } else { - fe_mul(r->X, r->X, fe_fffb2); - } - fe_mul(r->X, r->X, u); /* u * sqrt(2 * A * (A + 2) * w / x) */ - fe_mul(z, z, v); /* -2 * A * u^2 */ - sign = 0; - goto setsign; -negative: - fe_mul(x, x, fe_sqrtm1); - fe_sub(y, w, x); - if (fe_isnonzero(y)) { - assert((fe_add(y, w, x), !fe_isnonzero(y))); - fe_mul(r->X, r->X, fe_fffb3); - } else { - fe_mul(r->X, r->X, fe_fffb4); - } - /* r->X = sqrt(A * (A + 2) * w / x) */ - /* z = -A */ - sign = 1; -setsign: - if (fe_isnegative(r->X) != sign) { - assert(fe_isnonzero(r->X)); - fe_neg(r->X, r->X); - } - fe_add(r->Z, z, w); - fe_sub(r->Y, z, w); - fe_mul(r->X, r->X, r->Z); -#if !defined(NDEBUG) - { - fe check_x, check_y, check_iz, check_v; - fe_invert(check_iz, r->Z); - fe_mul(check_x, r->X, check_iz); - fe_mul(check_y, r->Y, check_iz); - fe_sq(check_x, check_x); - fe_sq(check_y, check_y); - fe_mul(check_v, check_x, check_y); - fe_mul(check_v, fe_d, check_v); - fe_add(check_v, check_v, check_x); - fe_sub(check_v, check_v, check_y); - fe_1(check_x); - fe_add(check_v, check_v, check_x); - assert(!fe_isnonzero(check_v)); - } -#endif -} - -// x -void sc_0(unsigned char* s) { - int i; - for (i = 0; i < 32; i++) { - s[i] = 0; - } -} - -// x -void sc_reduce32(unsigned char* s) { - int64_t s0 = 2097151 & load_3(s); - int64_t s1 = 2097151 & (load_4(s + 2) >> 5); - int64_t s2 = 2097151 & (load_3(s + 5) >> 2); - int64_t s3 = 2097151 & (load_4(s + 7) >> 7); - int64_t s4 = 2097151 & (load_4(s + 10) >> 4); - int64_t s5 = 2097151 & (load_3(s + 13) >> 1); - int64_t s6 = 2097151 & (load_4(s + 15) >> 6); - int64_t s7 = 2097151 & (load_3(s + 18) >> 3); - int64_t s8 = 2097151 & load_3(s + 21); - int64_t s9 = 2097151 & (load_4(s + 23) >> 5); - int64_t s10 = 2097151 & (load_3(s + 26) >> 2); - int64_t s11 = (load_4(s + 28) >> 7); - int64_t s12 = 0; - int64_t carry0; - int64_t carry1; - int64_t carry2; - int64_t carry3; - int64_t carry4; - int64_t carry5; - int64_t carry6; - int64_t carry7; - int64_t carry8; - int64_t carry9; - int64_t carry10; - int64_t carry11; - - carry0 = (s0 + (1 << 20)) >> 21; - s1 += carry0; - s0 -= carry0 << 21; - carry2 = (s2 + (1 << 20)) >> 21; - s3 += carry2; - s2 -= carry2 << 21; - carry4 = (s4 + (1 << 20)) >> 21; - s5 += carry4; - s4 -= carry4 << 21; - carry6 = (s6 + (1 << 20)) >> 21; - s7 += carry6; - s6 -= carry6 << 21; - carry8 = (s8 + (1 << 20)) >> 21; - s9 += carry8; - s8 -= carry8 << 21; - carry10 = (s10 + (1 << 20)) >> 21; - s11 += carry10; - s10 -= carry10 << 21; - - carry1 = (s1 + (1 << 20)) >> 21; - s2 += carry1; - s1 -= carry1 << 21; - carry3 = (s3 + (1 << 20)) >> 21; - s4 += carry3; - s3 -= carry3 << 21; - carry5 = (s5 + (1 << 20)) >> 21; - s6 += carry5; - s5 -= carry5 << 21; - carry7 = (s7 + (1 << 20)) >> 21; - s8 += carry7; - s7 -= carry7 << 21; - carry9 = (s9 + (1 << 20)) >> 21; - s10 += carry9; - s9 -= carry9 << 21; - carry11 = (s11 + (1 << 20)) >> 21; - s12 += carry11; - s11 -= carry11 << 21; - - s0 += s12 * 666643; - s1 += s12 * 470296; - s2 += s12 * 654183; - s3 -= s12 * 997805; - s4 += s12 * 136657; - s5 -= s12 * 683901; - s12 = 0; - - carry0 = s0 >> 21; - s1 += carry0; - s0 -= carry0 << 21; - carry1 = s1 >> 21; - s2 += carry1; - s1 -= carry1 << 21; - carry2 = s2 >> 21; - s3 += carry2; - s2 -= carry2 << 21; - carry3 = s3 >> 21; - s4 += carry3; - s3 -= carry3 << 21; - carry4 = s4 >> 21; - s5 += carry4; - s4 -= carry4 << 21; - carry5 = s5 >> 21; - s6 += carry5; - s5 -= carry5 << 21; - carry6 = s6 >> 21; - s7 += carry6; - s6 -= carry6 << 21; - carry7 = s7 >> 21; - s8 += carry7; - s7 -= carry7 << 21; - carry8 = s8 >> 21; - s9 += carry8; - s8 -= carry8 << 21; - carry9 = s9 >> 21; - s10 += carry9; - s9 -= carry9 << 21; - carry10 = s10 >> 21; - s11 += carry10; - s10 -= carry10 << 21; - carry11 = s11 >> 21; - s12 += carry11; - s11 -= carry11 << 21; - - s0 += s12 * 666643; - s1 += s12 * 470296; - s2 += s12 * 654183; - s3 -= s12 * 997805; - s4 += s12 * 136657; - s5 -= s12 * 683901; - - carry0 = s0 >> 21; - s1 += carry0; - s0 -= carry0 << 21; - carry1 = s1 >> 21; - s2 += carry1; - s1 -= carry1 << 21; - carry2 = s2 >> 21; - s3 += carry2; - s2 -= carry2 << 21; - carry3 = s3 >> 21; - s4 += carry3; - s3 -= carry3 << 21; - carry4 = s4 >> 21; - s5 += carry4; - s4 -= carry4 << 21; - carry5 = s5 >> 21; - s6 += carry5; - s5 -= carry5 << 21; - carry6 = s6 >> 21; - s7 += carry6; - s6 -= carry6 << 21; - carry7 = s7 >> 21; - s8 += carry7; - s7 -= carry7 << 21; - carry8 = s8 >> 21; - s9 += carry8; - s8 -= carry8 << 21; - carry9 = s9 >> 21; - s10 += carry9; - s9 -= carry9 << 21; - carry10 = s10 >> 21; - s11 += carry10; - s10 -= carry10 << 21; - - s[0] = s0 >> 0; - s[1] = s0 >> 8; - s[2] = (s0 >> 16) | (s1 << 5); - s[3] = s1 >> 3; - s[4] = s1 >> 11; - s[5] = (s1 >> 19) | (s2 << 2); - s[6] = s2 >> 6; - s[7] = (s2 >> 14) | (s3 << 7); - s[8] = s3 >> 1; - s[9] = s3 >> 9; - s[10] = (s3 >> 17) | (s4 << 4); - s[11] = s4 >> 4; - s[12] = s4 >> 12; - s[13] = (s4 >> 20) | (s5 << 1); - s[14] = s5 >> 7; - s[15] = (s5 >> 15) | (s6 << 6); - s[16] = s6 >> 2; - s[17] = s6 >> 10; - s[18] = (s6 >> 18) | (s7 << 3); - s[19] = s7 >> 5; - s[20] = s7 >> 13; - s[21] = s8 >> 0; - s[22] = s8 >> 8; - s[23] = (s8 >> 16) | (s9 << 5); - s[24] = s9 >> 3; - s[25] = s9 >> 11; - s[26] = (s9 >> 19) | (s10 << 2); - s[27] = s10 >> 6; - s[28] = (s10 >> 14) | (s11 << 7); - s[29] = s11 >> 1; - s[30] = s11 >> 9; - s[31] = s11 >> 17; -} - -// x -void sc_add(unsigned char* s, const unsigned char* a, const unsigned char* b) { - int64_t a0 = 2097151 & load_3(a); - int64_t a1 = 2097151 & (load_4(a + 2) >> 5); - int64_t a2 = 2097151 & (load_3(a + 5) >> 2); - int64_t a3 = 2097151 & (load_4(a + 7) >> 7); - int64_t a4 = 2097151 & (load_4(a + 10) >> 4); - int64_t a5 = 2097151 & (load_3(a + 13) >> 1); - int64_t a6 = 2097151 & (load_4(a + 15) >> 6); - int64_t a7 = 2097151 & (load_3(a + 18) >> 3); - int64_t a8 = 2097151 & load_3(a + 21); - int64_t a9 = 2097151 & (load_4(a + 23) >> 5); - int64_t a10 = 2097151 & (load_3(a + 26) >> 2); - int64_t a11 = (load_4(a + 28) >> 7); - int64_t b0 = 2097151 & load_3(b); - int64_t b1 = 2097151 & (load_4(b + 2) >> 5); - int64_t b2 = 2097151 & (load_3(b + 5) >> 2); - int64_t b3 = 2097151 & (load_4(b + 7) >> 7); - int64_t b4 = 2097151 & (load_4(b + 10) >> 4); - int64_t b5 = 2097151 & (load_3(b + 13) >> 1); - int64_t b6 = 2097151 & (load_4(b + 15) >> 6); - int64_t b7 = 2097151 & (load_3(b + 18) >> 3); - int64_t b8 = 2097151 & load_3(b + 21); - int64_t b9 = 2097151 & (load_4(b + 23) >> 5); - int64_t b10 = 2097151 & (load_3(b + 26) >> 2); - int64_t b11 = (load_4(b + 28) >> 7); - int64_t s0 = a0 + b0; - int64_t s1 = a1 + b1; - int64_t s2 = a2 + b2; - int64_t s3 = a3 + b3; - int64_t s4 = a4 + b4; - int64_t s5 = a5 + b5; - int64_t s6 = a6 + b6; - int64_t s7 = a7 + b7; - int64_t s8 = a8 + b8; - int64_t s9 = a9 + b9; - int64_t s10 = a10 + b10; - int64_t s11 = a11 + b11; - int64_t s12 = 0; - int64_t carry0; - int64_t carry1; - int64_t carry2; - int64_t carry3; - int64_t carry4; - int64_t carry5; - int64_t carry6; - int64_t carry7; - int64_t carry8; - int64_t carry9; - int64_t carry10; - int64_t carry11; - - carry0 = (s0 + (1 << 20)) >> 21; - s1 += carry0; - s0 -= carry0 << 21; - carry2 = (s2 + (1 << 20)) >> 21; - s3 += carry2; - s2 -= carry2 << 21; - carry4 = (s4 + (1 << 20)) >> 21; - s5 += carry4; - s4 -= carry4 << 21; - carry6 = (s6 + (1 << 20)) >> 21; - s7 += carry6; - s6 -= carry6 << 21; - carry8 = (s8 + (1 << 20)) >> 21; - s9 += carry8; - s8 -= carry8 << 21; - carry10 = (s10 + (1 << 20)) >> 21; - s11 += carry10; - s10 -= carry10 << 21; - - carry1 = (s1 + (1 << 20)) >> 21; - s2 += carry1; - s1 -= carry1 << 21; - carry3 = (s3 + (1 << 20)) >> 21; - s4 += carry3; - s3 -= carry3 << 21; - carry5 = (s5 + (1 << 20)) >> 21; - s6 += carry5; - s5 -= carry5 << 21; - carry7 = (s7 + (1 << 20)) >> 21; - s8 += carry7; - s7 -= carry7 << 21; - carry9 = (s9 + (1 << 20)) >> 21; - s10 += carry9; - s9 -= carry9 << 21; - carry11 = (s11 + (1 << 20)) >> 21; - s12 += carry11; - s11 -= carry11 << 21; - - s0 += s12 * 666643; - s1 += s12 * 470296; - s2 += s12 * 654183; - s3 -= s12 * 997805; - s4 += s12 * 136657; - s5 -= s12 * 683901; - s12 = 0; - - carry0 = s0 >> 21; - s1 += carry0; - s0 -= carry0 << 21; - carry1 = s1 >> 21; - s2 += carry1; - s1 -= carry1 << 21; - carry2 = s2 >> 21; - s3 += carry2; - s2 -= carry2 << 21; - carry3 = s3 >> 21; - s4 += carry3; - s3 -= carry3 << 21; - carry4 = s4 >> 21; - s5 += carry4; - s4 -= carry4 << 21; - carry5 = s5 >> 21; - s6 += carry5; - s5 -= carry5 << 21; - carry6 = s6 >> 21; - s7 += carry6; - s6 -= carry6 << 21; - carry7 = s7 >> 21; - s8 += carry7; - s7 -= carry7 << 21; - carry8 = s8 >> 21; - s9 += carry8; - s8 -= carry8 << 21; - carry9 = s9 >> 21; - s10 += carry9; - s9 -= carry9 << 21; - carry10 = s10 >> 21; - s11 += carry10; - s10 -= carry10 << 21; - carry11 = s11 >> 21; - s12 += carry11; - s11 -= carry11 << 21; - - s0 += s12 * 666643; - s1 += s12 * 470296; - s2 += s12 * 654183; - s3 -= s12 * 997805; - s4 += s12 * 136657; - s5 -= s12 * 683901; - - carry0 = s0 >> 21; - s1 += carry0; - s0 -= carry0 << 21; - carry1 = s1 >> 21; - s2 += carry1; - s1 -= carry1 << 21; - carry2 = s2 >> 21; - s3 += carry2; - s2 -= carry2 << 21; - carry3 = s3 >> 21; - s4 += carry3; - s3 -= carry3 << 21; - carry4 = s4 >> 21; - s5 += carry4; - s4 -= carry4 << 21; - carry5 = s5 >> 21; - s6 += carry5; - s5 -= carry5 << 21; - carry6 = s6 >> 21; - s7 += carry6; - s6 -= carry6 << 21; - carry7 = s7 >> 21; - s8 += carry7; - s7 -= carry7 << 21; - carry8 = s8 >> 21; - s9 += carry8; - s8 -= carry8 << 21; - carry9 = s9 >> 21; - s10 += carry9; - s9 -= carry9 << 21; - carry10 = s10 >> 21; - s11 += carry10; - s10 -= carry10 << 21; - - s[0] = s0 >> 0; - s[1] = s0 >> 8; - s[2] = (s0 >> 16) | (s1 << 5); - s[3] = s1 >> 3; - s[4] = s1 >> 11; - s[5] = (s1 >> 19) | (s2 << 2); - s[6] = s2 >> 6; - s[7] = (s2 >> 14) | (s3 << 7); - s[8] = s3 >> 1; - s[9] = s3 >> 9; - s[10] = (s3 >> 17) | (s4 << 4); - s[11] = s4 >> 4; - s[12] = s4 >> 12; - s[13] = (s4 >> 20) | (s5 << 1); - s[14] = s5 >> 7; - s[15] = (s5 >> 15) | (s6 << 6); - s[16] = s6 >> 2; - s[17] = s6 >> 10; - s[18] = (s6 >> 18) | (s7 << 3); - s[19] = s7 >> 5; - s[20] = s7 >> 13; - s[21] = s8 >> 0; - s[22] = s8 >> 8; - s[23] = (s8 >> 16) | (s9 << 5); - s[24] = s9 >> 3; - s[25] = s9 >> 11; - s[26] = (s9 >> 19) | (s10 << 2); - s[27] = s10 >> 6; - s[28] = (s10 >> 14) | (s11 << 7); - s[29] = s11 >> 1; - s[30] = s11 >> 9; - s[31] = s11 >> 17; -} - -// x -void sc_sub(unsigned char* s, const unsigned char* a, const unsigned char* b) { - int64_t a0 = 2097151 & load_3(a); - int64_t a1 = 2097151 & (load_4(a + 2) >> 5); - int64_t a2 = 2097151 & (load_3(a + 5) >> 2); - int64_t a3 = 2097151 & (load_4(a + 7) >> 7); - int64_t a4 = 2097151 & (load_4(a + 10) >> 4); - int64_t a5 = 2097151 & (load_3(a + 13) >> 1); - int64_t a6 = 2097151 & (load_4(a + 15) >> 6); - int64_t a7 = 2097151 & (load_3(a + 18) >> 3); - int64_t a8 = 2097151 & load_3(a + 21); - int64_t a9 = 2097151 & (load_4(a + 23) >> 5); - int64_t a10 = 2097151 & (load_3(a + 26) >> 2); - int64_t a11 = (load_4(a + 28) >> 7); - int64_t b0 = 2097151 & load_3(b); - int64_t b1 = 2097151 & (load_4(b + 2) >> 5); - int64_t b2 = 2097151 & (load_3(b + 5) >> 2); - int64_t b3 = 2097151 & (load_4(b + 7) >> 7); - int64_t b4 = 2097151 & (load_4(b + 10) >> 4); - int64_t b5 = 2097151 & (load_3(b + 13) >> 1); - int64_t b6 = 2097151 & (load_4(b + 15) >> 6); - int64_t b7 = 2097151 & (load_3(b + 18) >> 3); - int64_t b8 = 2097151 & load_3(b + 21); - int64_t b9 = 2097151 & (load_4(b + 23) >> 5); - int64_t b10 = 2097151 & (load_3(b + 26) >> 2); - int64_t b11 = (load_4(b + 28) >> 7); - int64_t s0 = a0 - b0; - int64_t s1 = a1 - b1; - int64_t s2 = a2 - b2; - int64_t s3 = a3 - b3; - int64_t s4 = a4 - b4; - int64_t s5 = a5 - b5; - int64_t s6 = a6 - b6; - int64_t s7 = a7 - b7; - int64_t s8 = a8 - b8; - int64_t s9 = a9 - b9; - int64_t s10 = a10 - b10; - int64_t s11 = a11 - b11; - int64_t s12 = 0; - int64_t carry0; - int64_t carry1; - int64_t carry2; - int64_t carry3; - int64_t carry4; - int64_t carry5; - int64_t carry6; - int64_t carry7; - int64_t carry8; - int64_t carry9; - int64_t carry10; - int64_t carry11; - - carry0 = (s0 + (1 << 20)) >> 21; - s1 += carry0; - s0 -= carry0 << 21; - carry2 = (s2 + (1 << 20)) >> 21; - s3 += carry2; - s2 -= carry2 << 21; - carry4 = (s4 + (1 << 20)) >> 21; - s5 += carry4; - s4 -= carry4 << 21; - carry6 = (s6 + (1 << 20)) >> 21; - s7 += carry6; - s6 -= carry6 << 21; - carry8 = (s8 + (1 << 20)) >> 21; - s9 += carry8; - s8 -= carry8 << 21; - carry10 = (s10 + (1 << 20)) >> 21; - s11 += carry10; - s10 -= carry10 << 21; - - carry1 = (s1 + (1 << 20)) >> 21; - s2 += carry1; - s1 -= carry1 << 21; - carry3 = (s3 + (1 << 20)) >> 21; - s4 += carry3; - s3 -= carry3 << 21; - carry5 = (s5 + (1 << 20)) >> 21; - s6 += carry5; - s5 -= carry5 << 21; - carry7 = (s7 + (1 << 20)) >> 21; - s8 += carry7; - s7 -= carry7 << 21; - carry9 = (s9 + (1 << 20)) >> 21; - s10 += carry9; - s9 -= carry9 << 21; - carry11 = (s11 + (1 << 20)) >> 21; - s12 += carry11; - s11 -= carry11 << 21; - - s0 += s12 * 666643; - s1 += s12 * 470296; - s2 += s12 * 654183; - s3 -= s12 * 997805; - s4 += s12 * 136657; - s5 -= s12 * 683901; - s12 = 0; - - carry0 = s0 >> 21; - s1 += carry0; - s0 -= carry0 << 21; - carry1 = s1 >> 21; - s2 += carry1; - s1 -= carry1 << 21; - carry2 = s2 >> 21; - s3 += carry2; - s2 -= carry2 << 21; - carry3 = s3 >> 21; - s4 += carry3; - s3 -= carry3 << 21; - carry4 = s4 >> 21; - s5 += carry4; - s4 -= carry4 << 21; - carry5 = s5 >> 21; - s6 += carry5; - s5 -= carry5 << 21; - carry6 = s6 >> 21; - s7 += carry6; - s6 -= carry6 << 21; - carry7 = s7 >> 21; - s8 += carry7; - s7 -= carry7 << 21; - carry8 = s8 >> 21; - s9 += carry8; - s8 -= carry8 << 21; - carry9 = s9 >> 21; - s10 += carry9; - s9 -= carry9 << 21; - carry10 = s10 >> 21; - s11 += carry10; - s10 -= carry10 << 21; - carry11 = s11 >> 21; - s12 += carry11; - s11 -= carry11 << 21; - - s0 += s12 * 666643; - s1 += s12 * 470296; - s2 += s12 * 654183; - s3 -= s12 * 997805; - s4 += s12 * 136657; - s5 -= s12 * 683901; - - carry0 = s0 >> 21; - s1 += carry0; - s0 -= carry0 << 21; - carry1 = s1 >> 21; - s2 += carry1; - s1 -= carry1 << 21; - carry2 = s2 >> 21; - s3 += carry2; - s2 -= carry2 << 21; - carry3 = s3 >> 21; - s4 += carry3; - s3 -= carry3 << 21; - carry4 = s4 >> 21; - s5 += carry4; - s4 -= carry4 << 21; - carry5 = s5 >> 21; - s6 += carry5; - s5 -= carry5 << 21; - carry6 = s6 >> 21; - s7 += carry6; - s6 -= carry6 << 21; - carry7 = s7 >> 21; - s8 += carry7; - s7 -= carry7 << 21; - carry8 = s8 >> 21; - s9 += carry8; - s8 -= carry8 << 21; - carry9 = s9 >> 21; - s10 += carry9; - s9 -= carry9 << 21; - carry10 = s10 >> 21; - s11 += carry10; - s10 -= carry10 << 21; - - s[0] = s0 >> 0; - s[1] = s0 >> 8; - s[2] = (s0 >> 16) | (s1 << 5); - s[3] = s1 >> 3; - s[4] = s1 >> 11; - s[5] = (s1 >> 19) | (s2 << 2); - s[6] = s2 >> 6; - s[7] = (s2 >> 14) | (s3 << 7); - s[8] = s3 >> 1; - s[9] = s3 >> 9; - s[10] = (s3 >> 17) | (s4 << 4); - s[11] = s4 >> 4; - s[12] = s4 >> 12; - s[13] = (s4 >> 20) | (s5 << 1); - s[14] = s5 >> 7; - s[15] = (s5 >> 15) | (s6 << 6); - s[16] = s6 >> 2; - s[17] = s6 >> 10; - s[18] = (s6 >> 18) | (s7 << 3); - s[19] = s7 >> 5; - s[20] = s7 >> 13; - s[21] = s8 >> 0; - s[22] = s8 >> 8; - s[23] = (s8 >> 16) | (s9 << 5); - s[24] = s9 >> 3; - s[25] = s9 >> 11; - s[26] = (s9 >> 19) | (s10 << 2); - s[27] = s10 >> 6; - s[28] = (s10 >> 14) | (s11 << 7); - s[29] = s11 >> 1; - s[30] = s11 >> 9; - s[31] = s11 >> 17; -} - -/* -Input: - a[0]+256*a[1]+...+256^31*a[31] = a - b[0]+256*b[1]+...+256^31*b[31] = b - c[0]+256*c[1]+...+256^31*c[31] = c - -Output: - s[0]+256*s[1]+...+256^31*s[31] = (c-ab) mod l - where l = 2^252 + 27742317777372353535851937790883648493. -*/ - -// x -void sc_mulsub( - unsigned char* s, const unsigned char* a, const unsigned char* b, const unsigned char* c) { - int64_t a0 = 2097151 & load_3(a); - int64_t a1 = 2097151 & (load_4(a + 2) >> 5); - int64_t a2 = 2097151 & (load_3(a + 5) >> 2); - int64_t a3 = 2097151 & (load_4(a + 7) >> 7); - int64_t a4 = 2097151 & (load_4(a + 10) >> 4); - int64_t a5 = 2097151 & (load_3(a + 13) >> 1); - int64_t a6 = 2097151 & (load_4(a + 15) >> 6); - int64_t a7 = 2097151 & (load_3(a + 18) >> 3); - int64_t a8 = 2097151 & load_3(a + 21); - int64_t a9 = 2097151 & (load_4(a + 23) >> 5); - int64_t a10 = 2097151 & (load_3(a + 26) >> 2); - int64_t a11 = (load_4(a + 28) >> 7); - int64_t b0 = 2097151 & load_3(b); - int64_t b1 = 2097151 & (load_4(b + 2) >> 5); - int64_t b2 = 2097151 & (load_3(b + 5) >> 2); - int64_t b3 = 2097151 & (load_4(b + 7) >> 7); - int64_t b4 = 2097151 & (load_4(b + 10) >> 4); - int64_t b5 = 2097151 & (load_3(b + 13) >> 1); - int64_t b6 = 2097151 & (load_4(b + 15) >> 6); - int64_t b7 = 2097151 & (load_3(b + 18) >> 3); - int64_t b8 = 2097151 & load_3(b + 21); - int64_t b9 = 2097151 & (load_4(b + 23) >> 5); - int64_t b10 = 2097151 & (load_3(b + 26) >> 2); - int64_t b11 = (load_4(b + 28) >> 7); - int64_t c0 = 2097151 & load_3(c); - int64_t c1 = 2097151 & (load_4(c + 2) >> 5); - int64_t c2 = 2097151 & (load_3(c + 5) >> 2); - int64_t c3 = 2097151 & (load_4(c + 7) >> 7); - int64_t c4 = 2097151 & (load_4(c + 10) >> 4); - int64_t c5 = 2097151 & (load_3(c + 13) >> 1); - int64_t c6 = 2097151 & (load_4(c + 15) >> 6); - int64_t c7 = 2097151 & (load_3(c + 18) >> 3); - int64_t c8 = 2097151 & load_3(c + 21); - int64_t c9 = 2097151 & (load_4(c + 23) >> 5); - int64_t c10 = 2097151 & (load_3(c + 26) >> 2); - int64_t c11 = (load_4(c + 28) >> 7); - int64_t s0; - int64_t s1; - int64_t s2; - int64_t s3; - int64_t s4; - int64_t s5; - int64_t s6; - int64_t s7; - int64_t s8; - int64_t s9; - int64_t s10; - int64_t s11; - int64_t s12; - int64_t s13; - int64_t s14; - int64_t s15; - int64_t s16; - int64_t s17; - int64_t s18; - int64_t s19; - int64_t s20; - int64_t s21; - int64_t s22; - int64_t s23; - int64_t carry0; - int64_t carry1; - int64_t carry2; - int64_t carry3; - int64_t carry4; - int64_t carry5; - int64_t carry6; - int64_t carry7; - int64_t carry8; - int64_t carry9; - int64_t carry10; - int64_t carry11; - int64_t carry12; - int64_t carry13; - int64_t carry14; - int64_t carry15; - int64_t carry16; - int64_t carry17; - int64_t carry18; - int64_t carry19; - int64_t carry20; - int64_t carry21; - int64_t carry22; - - s0 = c0 - a0 * b0; - s1 = c1 - (a0 * b1 + a1 * b0); - s2 = c2 - (a0 * b2 + a1 * b1 + a2 * b0); - s3 = c3 - (a0 * b3 + a1 * b2 + a2 * b1 + a3 * b0); - s4 = c4 - (a0 * b4 + a1 * b3 + a2 * b2 + a3 * b1 + a4 * b0); - s5 = c5 - (a0 * b5 + a1 * b4 + a2 * b3 + a3 * b2 + a4 * b1 + a5 * b0); - s6 = c6 - (a0 * b6 + a1 * b5 + a2 * b4 + a3 * b3 + a4 * b2 + a5 * b1 + a6 * b0); - s7 = c7 - (a0 * b7 + a1 * b6 + a2 * b5 + a3 * b4 + a4 * b3 + a5 * b2 + a6 * b1 + a7 * b0); - s8 = c8 - - (a0 * b8 + a1 * b7 + a2 * b6 + a3 * b5 + a4 * b4 + a5 * b3 + a6 * b2 + a7 * b1 + a8 * b0); - s9 = c9 - (a0 * b9 + a1 * b8 + a2 * b7 + a3 * b6 + a4 * b5 + a5 * b4 + a6 * b3 + a7 * b2 + - a8 * b1 + a9 * b0); - s10 = c10 - (a0 * b10 + a1 * b9 + a2 * b8 + a3 * b7 + a4 * b6 + a5 * b5 + a6 * b4 + a7 * b3 + - a8 * b2 + a9 * b1 + a10 * b0); - s11 = c11 - (a0 * b11 + a1 * b10 + a2 * b9 + a3 * b8 + a4 * b7 + a5 * b6 + a6 * b5 + a7 * b4 + - a8 * b3 + a9 * b2 + a10 * b1 + a11 * b0); - s12 = -(a1 * b11 + a2 * b10 + a3 * b9 + a4 * b8 + a5 * b7 + a6 * b6 + a7 * b5 + a8 * b4 + - a9 * b3 + a10 * b2 + a11 * b1); - s13 = -(a2 * b11 + a3 * b10 + a4 * b9 + a5 * b8 + a6 * b7 + a7 * b6 + a8 * b5 + a9 * b4 + - a10 * b3 + a11 * b2); - s14 = -(a3 * b11 + a4 * b10 + a5 * b9 + a6 * b8 + a7 * b7 + a8 * b6 + a9 * b5 + a10 * b4 + - a11 * b3); - s15 = -(a4 * b11 + a5 * b10 + a6 * b9 + a7 * b8 + a8 * b7 + a9 * b6 + a10 * b5 + a11 * b4); - s16 = -(a5 * b11 + a6 * b10 + a7 * b9 + a8 * b8 + a9 * b7 + a10 * b6 + a11 * b5); - s17 = -(a6 * b11 + a7 * b10 + a8 * b9 + a9 * b8 + a10 * b7 + a11 * b6); - s18 = -(a7 * b11 + a8 * b10 + a9 * b9 + a10 * b8 + a11 * b7); - s19 = -(a8 * b11 + a9 * b10 + a10 * b9 + a11 * b8); - s20 = -(a9 * b11 + a10 * b10 + a11 * b9); - s21 = -(a10 * b11 + a11 * b10); - s22 = -a11 * b11; - s23 = 0; - - carry0 = (s0 + (1 << 20)) >> 21; - s1 += carry0; - s0 -= carry0 << 21; - carry2 = (s2 + (1 << 20)) >> 21; - s3 += carry2; - s2 -= carry2 << 21; - carry4 = (s4 + (1 << 20)) >> 21; - s5 += carry4; - s4 -= carry4 << 21; - carry6 = (s6 + (1 << 20)) >> 21; - s7 += carry6; - s6 -= carry6 << 21; - carry8 = (s8 + (1 << 20)) >> 21; - s9 += carry8; - s8 -= carry8 << 21; - carry10 = (s10 + (1 << 20)) >> 21; - s11 += carry10; - s10 -= carry10 << 21; - carry12 = (s12 + (1 << 20)) >> 21; - s13 += carry12; - s12 -= carry12 << 21; - carry14 = (s14 + (1 << 20)) >> 21; - s15 += carry14; - s14 -= carry14 << 21; - carry16 = (s16 + (1 << 20)) >> 21; - s17 += carry16; - s16 -= carry16 << 21; - carry18 = (s18 + (1 << 20)) >> 21; - s19 += carry18; - s18 -= carry18 << 21; - carry20 = (s20 + (1 << 20)) >> 21; - s21 += carry20; - s20 -= carry20 << 21; - carry22 = (s22 + (1 << 20)) >> 21; - s23 += carry22; - s22 -= carry22 << 21; - - carry1 = (s1 + (1 << 20)) >> 21; - s2 += carry1; - s1 -= carry1 << 21; - carry3 = (s3 + (1 << 20)) >> 21; - s4 += carry3; - s3 -= carry3 << 21; - carry5 = (s5 + (1 << 20)) >> 21; - s6 += carry5; - s5 -= carry5 << 21; - carry7 = (s7 + (1 << 20)) >> 21; - s8 += carry7; - s7 -= carry7 << 21; - carry9 = (s9 + (1 << 20)) >> 21; - s10 += carry9; - s9 -= carry9 << 21; - carry11 = (s11 + (1 << 20)) >> 21; - s12 += carry11; - s11 -= carry11 << 21; - carry13 = (s13 + (1 << 20)) >> 21; - s14 += carry13; - s13 -= carry13 << 21; - carry15 = (s15 + (1 << 20)) >> 21; - s16 += carry15; - s15 -= carry15 << 21; - carry17 = (s17 + (1 << 20)) >> 21; - s18 += carry17; - s17 -= carry17 << 21; - carry19 = (s19 + (1 << 20)) >> 21; - s20 += carry19; - s19 -= carry19 << 21; - carry21 = (s21 + (1 << 20)) >> 21; - s22 += carry21; - s21 -= carry21 << 21; - - s11 += s23 * 666643; - s12 += s23 * 470296; - s13 += s23 * 654183; - s14 -= s23 * 997805; - s15 += s23 * 136657; - s16 -= s23 * 683901; - - s10 += s22 * 666643; - s11 += s22 * 470296; - s12 += s22 * 654183; - s13 -= s22 * 997805; - s14 += s22 * 136657; - s15 -= s22 * 683901; - - s9 += s21 * 666643; - s10 += s21 * 470296; - s11 += s21 * 654183; - s12 -= s21 * 997805; - s13 += s21 * 136657; - s14 -= s21 * 683901; - - s8 += s20 * 666643; - s9 += s20 * 470296; - s10 += s20 * 654183; - s11 -= s20 * 997805; - s12 += s20 * 136657; - s13 -= s20 * 683901; - - s7 += s19 * 666643; - s8 += s19 * 470296; - s9 += s19 * 654183; - s10 -= s19 * 997805; - s11 += s19 * 136657; - s12 -= s19 * 683901; - - s6 += s18 * 666643; - s7 += s18 * 470296; - s8 += s18 * 654183; - s9 -= s18 * 997805; - s10 += s18 * 136657; - s11 -= s18 * 683901; - - carry6 = (s6 + (1 << 20)) >> 21; - s7 += carry6; - s6 -= carry6 << 21; - carry8 = (s8 + (1 << 20)) >> 21; - s9 += carry8; - s8 -= carry8 << 21; - carry10 = (s10 + (1 << 20)) >> 21; - s11 += carry10; - s10 -= carry10 << 21; - carry12 = (s12 + (1 << 20)) >> 21; - s13 += carry12; - s12 -= carry12 << 21; - carry14 = (s14 + (1 << 20)) >> 21; - s15 += carry14; - s14 -= carry14 << 21; - carry16 = (s16 + (1 << 20)) >> 21; - s17 += carry16; - s16 -= carry16 << 21; - - carry7 = (s7 + (1 << 20)) >> 21; - s8 += carry7; - s7 -= carry7 << 21; - carry9 = (s9 + (1 << 20)) >> 21; - s10 += carry9; - s9 -= carry9 << 21; - carry11 = (s11 + (1 << 20)) >> 21; - s12 += carry11; - s11 -= carry11 << 21; - carry13 = (s13 + (1 << 20)) >> 21; - s14 += carry13; - s13 -= carry13 << 21; - carry15 = (s15 + (1 << 20)) >> 21; - s16 += carry15; - s15 -= carry15 << 21; - - s5 += s17 * 666643; - s6 += s17 * 470296; - s7 += s17 * 654183; - s8 -= s17 * 997805; - s9 += s17 * 136657; - s10 -= s17 * 683901; - - s4 += s16 * 666643; - s5 += s16 * 470296; - s6 += s16 * 654183; - s7 -= s16 * 997805; - s8 += s16 * 136657; - s9 -= s16 * 683901; - - s3 += s15 * 666643; - s4 += s15 * 470296; - s5 += s15 * 654183; - s6 -= s15 * 997805; - s7 += s15 * 136657; - s8 -= s15 * 683901; - - s2 += s14 * 666643; - s3 += s14 * 470296; - s4 += s14 * 654183; - s5 -= s14 * 997805; - s6 += s14 * 136657; - s7 -= s14 * 683901; - - s1 += s13 * 666643; - s2 += s13 * 470296; - s3 += s13 * 654183; - s4 -= s13 * 997805; - s5 += s13 * 136657; - s6 -= s13 * 683901; - - s0 += s12 * 666643; - s1 += s12 * 470296; - s2 += s12 * 654183; - s3 -= s12 * 997805; - s4 += s12 * 136657; - s5 -= s12 * 683901; - s12 = 0; - - carry0 = (s0 + (1 << 20)) >> 21; - s1 += carry0; - s0 -= carry0 << 21; - carry2 = (s2 + (1 << 20)) >> 21; - s3 += carry2; - s2 -= carry2 << 21; - carry4 = (s4 + (1 << 20)) >> 21; - s5 += carry4; - s4 -= carry4 << 21; - carry6 = (s6 + (1 << 20)) >> 21; - s7 += carry6; - s6 -= carry6 << 21; - carry8 = (s8 + (1 << 20)) >> 21; - s9 += carry8; - s8 -= carry8 << 21; - carry10 = (s10 + (1 << 20)) >> 21; - s11 += carry10; - s10 -= carry10 << 21; - - carry1 = (s1 + (1 << 20)) >> 21; - s2 += carry1; - s1 -= carry1 << 21; - carry3 = (s3 + (1 << 20)) >> 21; - s4 += carry3; - s3 -= carry3 << 21; - carry5 = (s5 + (1 << 20)) >> 21; - s6 += carry5; - s5 -= carry5 << 21; - carry7 = (s7 + (1 << 20)) >> 21; - s8 += carry7; - s7 -= carry7 << 21; - carry9 = (s9 + (1 << 20)) >> 21; - s10 += carry9; - s9 -= carry9 << 21; - carry11 = (s11 + (1 << 20)) >> 21; - s12 += carry11; - s11 -= carry11 << 21; - - s0 += s12 * 666643; - s1 += s12 * 470296; - s2 += s12 * 654183; - s3 -= s12 * 997805; - s4 += s12 * 136657; - s5 -= s12 * 683901; - s12 = 0; - - carry0 = s0 >> 21; - s1 += carry0; - s0 -= carry0 << 21; - carry1 = s1 >> 21; - s2 += carry1; - s1 -= carry1 << 21; - carry2 = s2 >> 21; - s3 += carry2; - s2 -= carry2 << 21; - carry3 = s3 >> 21; - s4 += carry3; - s3 -= carry3 << 21; - carry4 = s4 >> 21; - s5 += carry4; - s4 -= carry4 << 21; - carry5 = s5 >> 21; - s6 += carry5; - s5 -= carry5 << 21; - carry6 = s6 >> 21; - s7 += carry6; - s6 -= carry6 << 21; - carry7 = s7 >> 21; - s8 += carry7; - s7 -= carry7 << 21; - carry8 = s8 >> 21; - s9 += carry8; - s8 -= carry8 << 21; - carry9 = s9 >> 21; - s10 += carry9; - s9 -= carry9 << 21; - carry10 = s10 >> 21; - s11 += carry10; - s10 -= carry10 << 21; - carry11 = s11 >> 21; - s12 += carry11; - s11 -= carry11 << 21; - - s0 += s12 * 666643; - s1 += s12 * 470296; - s2 += s12 * 654183; - s3 -= s12 * 997805; - s4 += s12 * 136657; - s5 -= s12 * 683901; - - carry0 = s0 >> 21; - s1 += carry0; - s0 -= carry0 << 21; - carry1 = s1 >> 21; - s2 += carry1; - s1 -= carry1 << 21; - carry2 = s2 >> 21; - s3 += carry2; - s2 -= carry2 << 21; - carry3 = s3 >> 21; - s4 += carry3; - s3 -= carry3 << 21; - carry4 = s4 >> 21; - s5 += carry4; - s4 -= carry4 << 21; - carry5 = s5 >> 21; - s6 += carry5; - s5 -= carry5 << 21; - carry6 = s6 >> 21; - s7 += carry6; - s6 -= carry6 << 21; - carry7 = s7 >> 21; - s8 += carry7; - s7 -= carry7 << 21; - carry8 = s8 >> 21; - s9 += carry8; - s8 -= carry8 << 21; - carry9 = s9 >> 21; - s10 += carry9; - s9 -= carry9 << 21; - carry10 = s10 >> 21; - s11 += carry10; - s10 -= carry10 << 21; - - s[0] = s0 >> 0; - s[1] = s0 >> 8; - s[2] = (s0 >> 16) | (s1 << 5); - s[3] = s1 >> 3; - s[4] = s1 >> 11; - s[5] = (s1 >> 19) | (s2 << 2); - s[6] = s2 >> 6; - s[7] = (s2 >> 14) | (s3 << 7); - s[8] = s3 >> 1; - s[9] = s3 >> 9; - s[10] = (s3 >> 17) | (s4 << 4); - s[11] = s4 >> 4; - s[12] = s4 >> 12; - s[13] = (s4 >> 20) | (s5 << 1); - s[14] = s5 >> 7; - s[15] = (s5 >> 15) | (s6 << 6); - s[16] = s6 >> 2; - s[17] = s6 >> 10; - s[18] = (s6 >> 18) | (s7 << 3); - s[19] = s7 >> 5; - s[20] = s7 >> 13; - s[21] = s8 >> 0; - s[22] = s8 >> 8; - s[23] = (s8 >> 16) | (s9 << 5); - s[24] = s9 >> 3; - s[25] = s9 >> 11; - s[26] = (s9 >> 19) | (s10 << 2); - s[27] = s10 >> 6; - s[28] = (s10 >> 14) | (s11 << 7); - s[29] = s11 >> 1; - s[30] = s11 >> 9; - s[31] = s11 >> 17; -} - -/* Assumes that a != INT64_MIN */ -// x c.f. lt in 32 bit ref -static int64_t signum(int64_t a) { - return (a >> 63) - ((-a) >> 63); -} - -// x -int sc_check(const unsigned char* s) { - int64_t s0 = load_4(s); - int64_t s1 = load_4(s + 4); - int64_t s2 = load_4(s + 8); - int64_t s3 = load_4(s + 12); - int64_t s4 = load_4(s + 16); - int64_t s5 = load_4(s + 20); - int64_t s6 = load_4(s + 24); - int64_t s7 = load_4(s + 28); - return (signum(1559614444 - s0) + (signum(1477600026 - s1) << 1) + - (signum(2734136534 - s2) << 2) + (signum(350157278 - s3) << 3) + (signum(-s4) << 4) + - (signum(-s5) << 5) + (signum(-s6) << 6) + (signum(268435456 - s7) << 7)) >> - 8; -} - -// x -int sc_isnonzero(const unsigned char* s) { - return (((int)(s[0] | s[1] | s[2] | s[3] | s[4] | s[5] | s[6] | s[7] | s[8] | s[9] | s[10] | - s[11] | s[12] | s[13] | s[14] | s[15] | s[16] | s[17] | s[18] | s[19] | s[20] | - s[21] | s[22] | s[23] | s[24] | s[25] | s[26] | s[27] | s[28] | s[29] | s[30] | - s[31]) - - 1) >> - 8) + - 1; -} diff --git a/src/crypto/crypto_ops_builder/crypto-ops.h b/src/crypto/crypto_ops_builder/crypto-ops.h deleted file mode 100644 index ce67975..0000000 --- a/src/crypto/crypto_ops_builder/crypto-ops.h +++ /dev/null @@ -1,149 +0,0 @@ -// Copyright (c) 2014-2019, The Monero Project -// -// All rights reserved. -// -// Redistribution and use in source and binary forms, with or without modification, are -// permitted provided that the following conditions are met: -// -// 1. Redistributions of source code must retain the above copyright notice, this list of -// conditions and the following disclaimer. -// -// 2. Redistributions in binary form must reproduce the above copyright notice, this list -// of conditions and the following disclaimer in the documentation and/or other -// materials provided with the distribution. -// -// 3. Neither the name of the copyright holder nor the names of its contributors may be -// used to endorse or promote products derived from this software without specific -// prior written permission. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY -// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF -// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL -// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, -// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, -// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF -// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -// -// Parts of this file are originally copyright (c) 2012-2013 The Cryptonote developers -#include - -#pragma once - -/* From fe.h */ - -// this guy may throw errors in windows -typedef int32_t fe[10]; - -/* From ge.h */ - -typedef struct { - fe X; - fe Y; - fe Z; -} ge_p2; - -typedef struct { - fe X; - fe Y; - fe Z; - fe T; -} ge_p3; - -typedef struct { - fe X; - fe Y; - fe Z; - fe T; -} ge_p1p1; - -typedef struct { - fe yplusx; - fe yminusx; - fe xy2d; -} ge_precomp; - -typedef struct { - fe YplusX; - fe YminusX; - fe Z; - fe T2d; -} ge_cached; - -/* From ge_add.c */ - -void ge_add(ge_p1p1*, const ge_p3*, const ge_cached*); - -/* From ge_double_scalarmult.c, modified */ - -typedef ge_cached ge_dsmp[8]; -extern const ge_precomp ge_Bi[8]; -void ge_dsm_precomp(ge_dsmp r, const ge_p3* s); -void ge_double_scalarmult_base_vartime( - ge_p2*, const unsigned char*, const ge_p3*, const unsigned char*); - -/* From ge_frombytes.c, modified */ - -extern const fe fe_sqrtm1; -extern const fe fe_d; -int ge_frombytes_vartime(ge_p3*, const unsigned char*); - -/* From ge_p1p1_to_p2.c */ - -void ge_p1p1_to_p2(ge_p2*, const ge_p1p1*); - -/* From ge_p1p1_to_p3.c */ - -void ge_p1p1_to_p3(ge_p3*, const ge_p1p1*); - -/* From ge_p2_dbl.c */ - -void ge_p2_dbl(ge_p1p1*, const ge_p2*); - -/* From ge_p3_to_cached.c */ - -extern const fe fe_d2; -void ge_p3_to_cached(ge_cached*, const ge_p3*); - -/* From ge_p3_to_p2.c */ - -void ge_p3_to_p2(ge_p2*, const ge_p3*); - -/* From ge_p3_tobytes.c */ - -void ge_p3_tobytes(unsigned char*, const ge_p3*); - -/* From ge_scalarmult_base.c */ - -extern const ge_precomp ge_base[32][8]; -void ge_scalarmult_base(ge_p3*, const unsigned char*); - -/* From ge_tobytes.c */ - -void ge_tobytes(unsigned char*, const ge_p2*); - -/* From sc_reduce.c */ - -void sc_reduce(unsigned char*); - -/* New code */ - -void ge_scalarmult(ge_p2*, const unsigned char*, const ge_p3*); -void ge_double_scalarmult_precomp_vartime( - ge_p2*, const unsigned char*, const ge_p3*, const unsigned char*, const ge_dsmp); -void ge_mul8(ge_p1p1*, const ge_p2*); -extern const fe fe_ma2; -extern const fe fe_ma; -extern const fe fe_fffb1; -extern const fe fe_fffb2; -extern const fe fe_fffb3; -extern const fe fe_fffb4; -void ge_fromfe_frombytes_vartime(ge_p2*, const unsigned char*); -void sc_0(unsigned char*); -void sc_reduce32(unsigned char*); -void sc_add(unsigned char*, const unsigned char*, const unsigned char*); -void sc_sub(unsigned char*, const unsigned char*, const unsigned char*); -void sc_mulsub(unsigned char*, const unsigned char*, const unsigned char*, const unsigned char*); -int sc_check(const unsigned char*); -int sc_isnonzero(const unsigned char*); /* Doesn't normalize */ diff --git a/src/crypto/crypto_ops_builder/crypto_int32.h b/src/crypto/crypto_ops_builder/crypto_int32.h deleted file mode 100755 index cae135e..0000000 --- a/src/crypto/crypto_ops_builder/crypto_int32.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef crypto_int32_h -#define crypto_int32_h - -typedef int crypto_int32; - -#endif diff --git a/src/crypto/crypto_ops_builder/crypto_sign.h b/src/crypto/crypto_ops_builder/crypto_sign.h deleted file mode 100644 index ac548c4..0000000 --- a/src/crypto/crypto_ops_builder/crypto_sign.h +++ /dev/null @@ -1,23 +0,0 @@ -#ifndef crypto_sign_edwards25519sha512batch_H -#define crypto_sign_edwards25519sha512batch_H - -#define SECRETKEYBYTES 64 -#define PUBLICKEYBYTES 32 -#define SIGNATUREBYTES 64 - -extern int crypto_sign( - unsigned char*, - unsigned long long*, - const unsigned char*, - unsigned long long, - const unsigned char*); -extern int crypto_sign_open( - unsigned char*, - unsigned long long*, - const unsigned char*, - unsigned long long, - const unsigned char*); -extern int crypto_sign_keypair(unsigned char*, unsigned char*); -extern int crypto_sign_publickey(unsigned char* pk, unsigned char* sk, unsigned char* seed); - -#endif diff --git a/src/crypto/crypto_ops_builder/crypto_uint32.h b/src/crypto/crypto_ops_builder/crypto_uint32.h deleted file mode 100755 index 21020d7..0000000 --- a/src/crypto/crypto_ops_builder/crypto_uint32.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef crypto_uint32_h -#define crypto_uint32_h - -typedef unsigned int crypto_uint32; - -#endif diff --git a/src/crypto/crypto_ops_builder/crypto_verify_32.h b/src/crypto/crypto_ops_builder/crypto_verify_32.h deleted file mode 100644 index b5246a9..0000000 --- a/src/crypto/crypto_ops_builder/crypto_verify_32.h +++ /dev/null @@ -1,7 +0,0 @@ -#ifndef crypto_verify_32_H -#define crypto_verify_32_H - -#define crypto_verify_32_ref_BYTES 32 -extern int crypto_verify_32(const unsigned char*, const unsigned char*); - -#endif diff --git a/src/crypto/crypto_ops_builder/ietf.txt b/src/crypto/crypto_ops_builder/ietf.txt deleted file mode 100644 index 609f5e7..0000000 --- a/src/crypto/crypto_ops_builder/ietf.txt +++ /dev/null @@ -1,4 +0,0 @@ -https://tools.ietf.org/id/draft-josefsson-eddsa-ed25519-02.txt - -Note: This draft is now superseded by https://datatracker.ietf.org/doc/rfc8032/ -(review of the differences is left as an exercise for the reader) diff --git a/src/crypto/crypto_ops_builder/randombytes.c b/src/crypto/crypto_ops_builder/randombytes.c deleted file mode 100644 index 5dae57f..0000000 --- a/src/crypto/crypto_ops_builder/randombytes.c +++ /dev/null @@ -1,53 +0,0 @@ -#ifndef _WIN32 -#include -#include -#include -#include - -/* it's really stupid that there isn't a syscall for this */ - -static int ed25519_random_fd = -1; - -static inline void ed25519_randombytes(unsigned char* x, unsigned long long xlen) { - int i; - - if (ed25519_random_fd == -1) { - for (;;) { - ed25519_random_fd = open("/dev/urandom", O_RDONLY); - if (ed25519_random_fd != -1) - break; - sleep(1); - } - } - - while (xlen > 0) { - if (xlen < 1048576) - i = xlen; - else - i = 1048576; - - i = read(ed25519_random_fd, x, i); - if (i < 1) { - sleep(1); - continue; - } - - x += i; - xlen -= i; - } -} - -#else -#include -#include - -static inline void ed25519_randombytes(unsigned char* x, unsigned long long xlen) { - HCRYPTPROV prov = 0; - - CryptAcquireContextW(&prov, NULL, NULL, PROV_RSA_FULL, CRYPT_VERIFYCONTEXT | CRYPT_SILENT); - - CryptGenRandom(prov, xlen, x); - CryptReleaseContext(prov, 0); -} - -#endif /* _WIN32 */ diff --git a/src/crypto/crypto_ops_builder/ref10/Makefile b/src/crypto/crypto_ops_builder/ref10/Makefile deleted file mode 100644 index 9b0ba7a..0000000 --- a/src/crypto/crypto_ops_builder/ref10/Makefile +++ /dev/null @@ -1,41 +0,0 @@ -all: d.h d2.h sqrtm1.h base.h base2.h \ -ge_add.h ge_sub.h \ -ge_madd.h ge_msub.h \ -ge_p2_dbl.h \ -pow225521.h pow22523.h - -d.h: d.py - python d.py > d.h - -d2.h: d2.py - python d2.py > d2.h - -sqrtm1.h: sqrtm1.py - python sqrtm1.py > sqrtm1.h - -base.h: base.py - python base.py > base.h - -base2.h: base2.py - python base2.py > base2.h - -ge_add.h: ge_add.q q2h.sh - ./q2h.sh < ge_add.q > ge_add.h - -ge_sub.h: ge_sub.q q2h.sh - ./q2h.sh < ge_sub.q > ge_sub.h - -ge_madd.h: ge_madd.q q2h.sh - ./q2h.sh < ge_madd.q > ge_madd.h - -ge_msub.h: ge_msub.q q2h.sh - ./q2h.sh < ge_msub.q > ge_msub.h - -ge_p2_dbl.h: ge_p2_dbl.q q2h.sh - ./q2h.sh < ge_p2_dbl.q > ge_p2_dbl.h - -pow22523.h: pow22523.q q2h.sh - ./q2h.sh < pow22523.q > pow22523.h - -pow225521.h: pow225521.q q2h.sh - ./q2h.sh < pow225521.q > pow225521.h diff --git a/src/crypto/crypto_ops_builder/ref10/README.md b/src/crypto/crypto_ops_builder/ref10/README.md deleted file mode 100644 index 5919330..0000000 --- a/src/crypto/crypto_ops_builder/ref10/README.md +++ /dev/null @@ -1,4 +0,0 @@ -This code comes from Daniel J. Bernstein's SUPERCOP source, -released in the public domain. - -[http://ed25519.cr.yp.to/software.html](http://ed25519.cr.yp.to/software.html) diff --git a/src/crypto/crypto_ops_builder/ref10/api.h b/src/crypto/crypto_ops_builder/ref10/api.h deleted file mode 100644 index d88dae0..0000000 --- a/src/crypto/crypto_ops_builder/ref10/api.h +++ /dev/null @@ -1,4 +0,0 @@ -#define CRYPTO_SECRETKEYBYTES 64 -#define CRYPTO_PUBLICKEYBYTES 32 -#define CRYPTO_BYTES 64 -#define CRYPTO_DETERMINISTIC 1 diff --git a/src/crypto/crypto_ops_builder/ref10/base.h b/src/crypto/crypto_ops_builder/ref10/base.h deleted file mode 100644 index aac3616..0000000 --- a/src/crypto/crypto_ops_builder/ref10/base.h +++ /dev/null @@ -1,8256 +0,0 @@ -{ - { - {25967493, - -14356035, - 29566456, - 3660896, - -12694345, - 4014787, - 27544626, - -11754271, - -6079156, - 2047605}, - {-12545711, - 934262, - -2722910, - 3049990, - -727428, - 9406986, - 12720692, - 5043384, - 19500929, - -15469378}, - {-8738181, - 4489570, - 9688441, - -14785194, - 10184609, - -12363380, - 29287919, - 11864899, - -24514362, - -4438546}, - }, - { - {-12815894, - -12976347, - -21581243, - 11784320, - -25355658, - -2750717, - -11717903, - -3814571, - -358445, - -10211303}, - {-21703237, - 6903825, - 27185491, - 6451973, - -29577724, - -9554005, - -15616551, - 11189268, - -26829678, - -5319081}, - {26966642, - 11152617, - 32442495, - 15396054, - 14353839, - -12752335, - -3128826, - -9541118, - -15472047, - -4166697}, - }, - { - {15636291, - -9688557, - 24204773, - -7912398, - 616977, - -16685262, - 27787600, - -14772189, - 28944400, - -1550024}, - {16568933, - 4717097, - -11556148, - -1102322, - 15682896, - -11807043, - 16354577, - -11775962, - 7689662, - 11199574}, - {30464156, - -5976125, - -11779434, - -15670865, - 23220365, - 15915852, - 7512774, - 10017326, - -17749093, - -9920357}, - }, - { - {-17036878, - 13921892, - 10945806, - -6033431, - 27105052, - -16084379, - -28926210, - 15006023, - 3284568, - -6276540}, - {23599295, - -8306047, - -11193664, - -7687416, - 13236774, - 10506355, - 7464579, - 9656445, - 13059162, - 10374397}, - {7798556, - 16710257, - 3033922, - 2874086, - 28997861, - 2835604, - 32406664, - -3839045, - -641708, - -101325}, - }, - { - {10861363, - 11473154, - 27284546, - 1981175, - -30064349, - 12577861, - 32867885, - 14515107, - -15438304, - 10819380}, - {4708026, - 6336745, - 20377586, - 9066809, - -11272109, - 6594696, - -25653668, - 12483688, - -12668491, - 5581306}, - {19563160, - 16186464, - -29386857, - 4097519, - 10237984, - -4348115, - 28542350, - 13850243, - -23678021, - -15815942}, - }, - { - {-15371964, - -12862754, - 32573250, - 4720197, - -26436522, - 5875511, - -19188627, - -15224819, - -9818940, - -12085777}, - {-8549212, - 109983, - 15149363, - 2178705, - 22900618, - 4543417, - 3044240, - -15689887, - 1762328, - 14866737}, - {-18199695, - -15951423, - -10473290, - 1707278, - -17185920, - 3916101, - -28236412, - 3959421, - 27914454, - 4383652}, - }, - { - {5153746, - 9909285, - 1723747, - -2777874, - 30523605, - 5516873, - 19480852, - 5230134, - -23952439, - -15175766}, - {-30269007, - -3463509, - 7665486, - 10083793, - 28475525, - 1649722, - 20654025, - 16520125, - 30598449, - 7715701}, - {28881845, - 14381568, - 9657904, - 3680757, - -20181635, - 7843316, - -31400660, - 1370708, - 29794553, - -1409300}, - }, - { - {14499471, - -2729599, - -33191113, - -4254652, - 28494862, - 14271267, - 30290735, - 10876454, - -33154098, - 2381726}, - {-7195431, - -2655363, - -14730155, - 462251, - -27724326, - 3941372, - -6236617, - 3696005, - -32300832, - 15351955}, - {27431194, - 8222322, - 16448760, - -3907995, - -18707002, - 11938355, - -32961401, - -2970515, - 29551813, - 10109425}, - }, -}, - { - { - {-13657040, - -13155431, - -31283750, - 11777098, - 21447386, - 6519384, - -2378284, - -1627556, - 10092783, - -4764171}, - {27939166, - 14210322, - 4677035, - 16277044, - -22964462, - -12398139, - -32508754, - 12005538, - -17810127, - 12803510}, - {17228999, - -15661624, - -1233527, - 300140, - -1224870, - -11714777, - 30364213, - -9038194, - 18016357, - 4397660}, - }, - { - {-10958843, - -7690207, - 4776341, - -14954238, - 27850028, - -15602212, - -26619106, - 14544525, - -17477504, - 982639}, - {29253598, - 15796703, - -2863982, - -9908884, - 10057023, - 3163536, - 7332899, - -4120128, - -21047696, - 9934963}, - {5793303, - 16271923, - -24131614, - -10116404, - 29188560, - 1206517, - -14747930, - 4559895, - -30123922, - -10897950}, - }, - { - {-27643952, - -11493006, - 16282657, - -11036493, - 28414021, - -15012264, - 24191034, - 4541697, - -13338309, - 5500568}, - {12650548, - -1497113, - 9052871, - 11355358, - -17680037, - -8400164, - -17430592, - 12264343, - 10874051, - 13524335}, - {25556948, - -3045990, - 714651, - 2510400, - 23394682, - -10415330, - 33119038, - 5080568, - -22528059, - 5376628}, - }, - { - {-26088264, - -4011052, - -17013699, - -3537628, - -6726793, - 1920897, - -22321305, - -9447443, - 4535768, - 1569007}, - {-2255422, - 14606630, - -21692440, - -8039818, - 28430649, - 8775819, - -30494562, - 3044290, - 31848280, - 12543772}, - {-22028579, - 2943893, - -31857513, - 6777306, - 13784462, - -4292203, - -27377195, - -2062731, - 7718482, - 14474653}, - }, - { - {2385315, - 2454213, - -22631320, - 46603, - -4437935, - -15680415, - 656965, - -7236665, - 24316168, - -5253567}, - {13741529, - 10911568, - -33233417, - -8603737, - -20177830, - -1033297, - 33040651, - -13424532, - -20729456, - 8321686}, - {21060490, - -2212744, - 15712757, - -4336099, - 1639040, - 10656336, - 23845965, - -11874838, - -9984458, - 608372}, - }, - { - {-13672732, - -15087586, - -10889693, - -7557059, - -6036909, - 11305547, - 1123968, - -6780577, - 27229399, - 23887}, - {-23244140, - -294205, - -11744728, - 14712571, - -29465699, - -2029617, - 12797024, - -6440308, - -1633405, - 16678954}, - {-29500620, - 4770662, - -16054387, - 14001338, - 7830047, - 9564805, - -1508144, - -4795045, - -17169265, - 4904953}, - }, - { - {24059557, - 14617003, - 19037157, - -15039908, - 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-2777540, - 14086413, - 9208236, - 15886429, - 16489664}, - }, - { - {1996075, - 10375649, - 14346367, - 13311202, - -6874135, - -16438411, - -13693198, - 398369, - -30606455, - -712933}, - {-25307465, - 9795880, - -2777414, - 14878809, - -33531835, - 14780363, - 13348553, - 12076947, - -30836462, - 5113182}, - {-17770784, - 11797796, - 31950843, - 13929123, - -25888302, - 12288344, - -30341101, - -7336386, - 13847711, - 5387222}, - }, - { - {-18582163, - -3416217, - 17824843, - -2340966, - 22744343, - -10442611, - 8763061, - 3617786, - -19600662, - 10370991}, - {20246567, - -14369378, - 22358229, - -543712, - 18507283, - -10413996, - 14554437, - -8746092, - 32232924, - 16763880}, - {9648505, - 10094563, - 26416693, - 14745928, - -30374318, - -6472621, - 11094161, - 15689506, - 3140038, - -16510092}, - }, - { - {-16160072, - 5472695, - 31895588, - 4744994, - 8823515, - 10365685, - -27224800, - 9448613, - -28774454, - 366295}, - {19153450, - 11523972, - -11096490, - -6503142, - -24647631, - 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3936952, - 9156313, - -8897683, - 16498692, - -994647, - -27481051, - -666732, - 3424691, - 7540221}, - }, - { - {30322361, - -6964110, - 11361005, - -4143317, - 7433304, - 4989748, - -7071422, - -16317219, - -9244265, - 15258046}, - {13054562, - -2779497, - 19155474, - 469045, - -12482797, - 4566042, - 5631406, - 2711395, - 1062915, - -5136345}, - {-19240248, - -11254599, - -29509029, - -7499965, - -5835763, - 13005411, - -6066489, - 12194497, - 32960380, - 1459310}, - }, - }, - { - { - {19852034, - 7027924, - 23669353, - 10020366, - 8586503, - -6657907, - 394197, - -6101885, - 18638003, - -11174937}, - {31395534, - 15098109, - 26581030, - 8030562, - -16527914, - -5007134, - 9012486, - -7584354, - -6643087, - -5442636}, - {-9192165, - -2347377, - -1997099, - 4529534, - 25766844, - 607986, - -13222, - 9677543, - -32294889, - -6456008}, - }, - { - {-2444496, - -149937, - 29348902, - 8186665, - 1873760, - 12489863, - -30934579, - -7839692, - -7852844, - -8138429}, - {-15236356, - -15433509, - 7766470, - 746860, - 26346930, - -10221762, - -27333451, - 10754588, - -9431476, - 5203576}, - {31834314, - 14135496, - -770007, - 5159118, - 20917671, - -16768096, - -7467973, - -7337524, - 31809243, - 7347066}, - }, - { - {-9606723, - -11874240, - 20414459, - 13033986, - 13716524, - -11691881, - 19797970, - -12211255, - 15192876, - -2087490}, - {-12663563, - -2181719, - 1168162, - -3804809, - 26747877, - -14138091, - 10609330, - 12694420, - 33473243, - -13382104}, - {33184999, - 11180355, - 15832085, - -11385430, - -1633671, - 225884, - 15089336, - -11023903, - -6135662, - 14480053}, - }, - { - {31308717, - -5619998, - 31030840, - -1897099, - 15674547, - -6582883, - 5496208, - 13685227, - 27595050, - 8737275}, - {-20318852, - -15150239, - 10933843, - -16178022, - 8335352, - -7546022, - -31008351, - -12610604, - 26498114, - 66511}, - {22644454, - -8761729, - -16671776, - 4884562, - -3105614, - -13559366, - 30540766, - -4286747, - -13327787, - -7515095}, - }, - { - {-28017847, - 9834845, - 18617207, - -2681312, - -3401956, - -13307506, - 8205540, - 13585437, - -17127465, - 15115439}, - {23711543, - -672915, - 31206561, - -8362711, - 6164647, - -9709987, - -33535882, - -1426096, - 8236921, - 16492939}, - {-23910559, - -13515526, - -26299483, - -4503841, - 25005590, - -7687270, - 19574902, - 10071562, - 6708380, - -6222424}, - }, - { - {2101391, - -4930054, - 19702731, - 2367575, - -15427167, - 1047675, - 5301017, - 9328700, - 29955601, - -11678310}, - {3096359, - 9271816, - -21620864, - -15521844, - -14847996, - -7592937, - -25892142, - -12635595, - -9917575, - 6216608}, - {-32615849, - 338663, - -25195611, - 2510422, - -29213566, - -13820213, - 24822830, - -6146567, - -26767480, - 7525079}, - }, - { - {-23066649, - -13985623, - 16133487, - -7896178, - -3389565, - 778788, - -910336, - -2782495, - -19386633, - 11994101}, - {21691500, - -13624626, - -641331, - -14367021, - 3285881, - -3483596, - -25064666, - 9718258, - -7477437, - 13381418}, - {18445390, - -4202236, - 14979846, - 11622458, - -1727110, - -3582980, - 23111648, - -6375247, - 28535282, - 15779576}, - }, - { - {30098053, - 3089662, - -9234387, - 16662135, - -21306940, - 11308411, - -14068454, - 12021730, - 9955285, - -16303356}, - {9734894, - -14576830, - -7473633, - -9138735, - 2060392, - 11313496, - -18426029, - 9924399, - 20194861, - 13380996}, - {-26378102, - -7965207, - -22167821, - 15789297, - -18055342, - -6168792, - -1984914, - 15707771, - 26342023, - 10146099}, - }, - }, - { - { - {-26016874, - -219943, - 21339191, - -41388, - 19745256, - -2878700, - -29637280, - 2227040, - 21612326, - -545728}, - {-13077387, - 1184228, - 23562814, - -5970442, - -20351244, - -6348714, - 25764461, - 12243797, - -20856566, - 11649658}, - {-10031494, - 11262626, - 27384172, - 2271902, - 26947504, - -15997771, - 39944, - 6114064, - 33514190, - 2333242}, - }, - { - {-21433588, - -12421821, - 8119782, - 7219913, - -21830522, - -9016134, - -6679750, - -12670638, - 24350578, - -13450001}, - {-4116307, - -11271533, - -23886186, - 4843615, - -30088339, - 690623, - -31536088, - -10406836, - 8317860, - 12352766}, - {18200138, - -14475911, - -33087759, - -2696619, - -23702521, - -9102511, - -23552096, - -2287550, - 20712163, - 6719373}, - }, - { - {26656208, - 6075253, - -7858556, - 1886072, - -28344043, - 4262326, - 11117530, - -3763210, - 26224235, - -3297458}, - {-17168938, - -14854097, - -3395676, - -16369877, - -19954045, - 14050420, - 21728352, - 9493610, - 18620611, - -16428628}, - {-13323321, - 13325349, - 11432106, - 5964811, - 18609221, - 6062965, - -5269471, - -9725556, - -30701573, - -16479657}, - }, - { - {-23860538, - -11233159, - 26961357, - 1640861, - -32413112, - -16737940, - 12248509, - -5240639, - 13735342, - 1934062}, - {25089769, - 6742589, - 17081145, - -13406266, - 21909293, - -16067981, - -15136294, - -3765346, - -21277997, - 5473616}, - {31883677, - -7961101, - 1083432, - -11572403, - 22828471, - 13290673, - -7125085, - 12469656, - 29111212, - -5451014}, - }, - { - {24244947, - -15050407, - -26262976, - 2791540, - -14997599, - 16666678, - 24367466, - 6388839, - -10295587, - 452383}, - {-25640782, - -3417841, - 5217916, - 16224624, - 19987036, - -4082269, - -24236251, - -5915248, - 15766062, - 8407814}, - {-20406999, - 13990231, - 15495425, - 16395525, - 5377168, - 15166495, - -8917023, - -4388953, - -8067909, - 2276718}, - }, - { - {30157918, - 12924066, - -17712050, - 9245753, - 19895028, - 3368142, - -23827587, - 5096219, - 22740376, - -7303417}, - {2041139, - -14256350, - 7783687, - 13876377, - -25946985, - -13352459, - 24051124, - 13742383, - -15637599, - 13295222}, - {33338237, - -8505733, - 12532113, - 7977527, - 9106186, - -1715251, - -17720195, - -4612972, - -4451357, - -14669444}, - }, - { - {-20045281, - 5454097, - -14346548, - 6447146, - 28862071, - 1883651, - -2469266, - -4141880, - 7770569, - 9620597}, - {23208068, - 7979712, - 33071466, - 8149229, - 1758231, - -10834995, - 30945528, - -1694323, - -33502340, - -14767970}, - {1439958, - -16270480, - -1079989, - -793782, - 4625402, - 10647766, - -5043801, - 1220118, - 30494170, - -11440799}, - }, - { - {-5037580, - -13028295, - -2970559, - -3061767, - 15640974, - -6701666, - -26739026, - 926050, - -1684339, - -13333647}, - {13908495, - -3549272, - 30919928, - -6273825, - -21521863, - 7989039, - 9021034, - 9078865, - 3353509, - 4033511}, - {-29663431, - -15113610, - 32259991, - -344482, - 24295849, - -12912123, - 23161163, - 8839127, - 27485041, - 7356032}, - }, - }, - { - { - {9661027, - 705443, - 11980065, - -5370154, - -1628543, - 14661173, - -6346142, - 2625015, - 28431036, - -16771834}, - {-23839233, - -8311415, - -25945511, - 7480958, - -17681669, - -8354183, - -22545972, - 14150565, - 15970762, - 4099461}, - {29262576, - 16756590, - 26350592, - -8793563, - 8529671, - -11208050, - 13617293, - -9937143, - 11465739, - 8317062}, - }, - { - {-25493081, - -6962928, - 32500200, - -9419051, - -23038724, - -2302222, - 14898637, - 3848455, - 20969334, - -5157516}, - {-20384450, - -14347713, - -18336405, - 13884722, - -33039454, - 2842114, - -21610826, - -3649888, - 11177095, - 14989547}, - {-24496721, - -11716016, - 16959896, - 2278463, - 12066309, - 10137771, - 13515641, - 2581286, - -28487508, - 9930240}, - }, - { - {-17751622, - -2097826, - 16544300, - -13009300, - -15914807, - -14949081, - 18345767, - -13403753, - 16291481, - -5314038}, - {-33229194, - 2553288, - 32678213, - 9875984, - 8534129, - 6889387, - -9676774, - 6957617, - 4368891, - 9788741}, - {16660756, - 7281060, - -10830758, - 12911820, - 20108584, - -8101676, - -21722536, - -8613148, - 16250552, - -11111103}, - }, - { - {-19765507, - 2390526, - -16551031, - 14161980, - 1905286, - 6414907, - 4689584, - 10604807, - -30190403, - 4782747}, - {-1354539, - 14736941, - -7367442, - -13292886, - 7710542, - -14155590, - -9981571, - 4383045, - 22546403, - 437323}, - {31665577, - -12180464, - -16186830, - 1491339, - -18368625, - 3294682, - 27343084, - 2786261, - -30633590, - -14097016}, - }, - { - {-14467279, - -683715, - -33374107, - 7448552, - 19294360, - 14334329, - -19690631, - 2355319, - -19284671, - -6114373}, - {15121312, - -15796162, - 6377020, - -6031361, - -10798111, - -12957845, - 18952177, - 15496498, - -29380133, - 11754228}, - {-2637277, - -13483075, - 8488727, - -14303896, - 12728761, - -1622493, - 7141596, - 11724556, - 22761615, - -10134141}, - }, - { - {16918416, - 11729663, - -18083579, - 3022987, - -31015732, - -13339659, - -28741185, - -12227393, - 32851222, - 11717399}, - {11166634, - 7338049, - -6722523, - 4531520, - -29468672, - -7302055, - 31474879, - 3483633, - -1193175, - -4030831}, - {-185635, - 9921305, - 31456609, - -13536438, - -12013818, - 13348923, - 33142652, - 6546660, - -19985279, - -3948376}, - }, - { - {-32460596, - 11266712, - -11197107, - -7899103, - 31703694, - 3855903, - -8537131, - -12833048, - -30772034, - -15486313}, - {-18006477, - 12709068, - 3991746, - -6479188, - -21491523, - -10550425, - -31135347, - -16049879, - 10928917, - 3011958}, - {-6957757, - -15594337, - 31696059, - 334240, - 29576716, - 14796075, - -30831056, - -12805180, - 18008031, - 10258577}, - }, - { - {-22448644, - 15655569, - 7018479, - -4410003, - -30314266, - -1201591, - -1853465, - 1367120, - 25127874, - 6671743}, - {29701166, - -14373934, - -10878120, - 9279288, - -17568, - 13127210, - 21382910, - 11042292, - 25838796, - 4642684}, - {-20430234, - 14955537, - -24126347, - 8124619, - -5369288, - -5990470, - 30468147, - -13900640, - 18423289, - 4177476}, - }, - }, diff --git a/src/crypto/crypto_ops_builder/ref10/base.py b/src/crypto/crypto_ops_builder/ref10/base.py deleted file mode 100644 index 84accc8..0000000 --- a/src/crypto/crypto_ops_builder/ref10/base.py +++ /dev/null @@ -1,65 +0,0 @@ -b = 256 -q = 2**255 - 19 -l = 2**252 + 27742317777372353535851937790883648493 - -def expmod(b,e,m): - if e == 0: return 1 - t = expmod(b,e/2,m)**2 % m - if e & 1: t = (t*b) % m - return t - -def inv(x): - return expmod(x,q-2,q) - -d = -121665 * inv(121666) -I = expmod(2,(q-1)/4,q) - -def xrecover(y): - xx = (y*y-1) * inv(d*y*y+1) - x = expmod(xx,(q+3)/8,q) - if (x*x - xx) % q != 0: x = (x*I) % q - if x % 2 != 0: x = q-x - return x - -By = 4 * inv(5) -Bx = xrecover(By) -B = [Bx % q,By % q] - -def edwards(P,Q): - x1 = P[0] - y1 = P[1] - x2 = Q[0] - y2 = Q[1] - x3 = (x1*y2+x2*y1) * inv(1+d*x1*x2*y1*y2) - y3 = (y1*y2+x1*x2) * inv(1-d*x1*x2*y1*y2) - return [x3 % q,y3 % q] - -def radix255(x): - x = x % q - if x + x > q: x -= q - x = [x,0,0,0,0,0,0,0,0,0] - bits = [26,25,26,25,26,25,26,25,26,25] - for i in range(9): - carry = (x[i] + 2**(bits[i]-1)) / 2**bits[i] - x[i] -= carry * 2**bits[i] - x[i + 1] += carry - result = "" - for i in range(9): - result = result+str(x[i])+"," - result = result+str(x[9]) - return result - -Bi = B -for i in range(32): - print "{" - Bij = Bi - for j in range(8): - print " {" - print " {",radix255(Bij[1]+Bij[0]),"}," - print " {",radix255(Bij[1]-Bij[0]),"}," - print " {",radix255(2*d*Bij[0]*Bij[1]),"}," - Bij = edwards(Bij,Bi) - print " }," - print "}," - for k in range(8): - Bi = edwards(Bi,Bi) diff --git a/src/crypto/crypto_ops_builder/ref10/base2.h b/src/crypto/crypto_ops_builder/ref10/base2.h deleted file mode 100644 index f7b784b..0000000 --- a/src/crypto/crypto_ops_builder/ref10/base2.h +++ /dev/null @@ -1,256 +0,0 @@ -{ - {25967493, - -14356035, - 29566456, - 3660896, - -12694345, - 4014787, - 27544626, - -11754271, - -6079156, - 2047605}, - {-12545711, - 934262, - -2722910, - 3049990, - -727428, - 9406986, - 12720692, - 5043384, - 19500929, - -15469378}, - {-8738181, - 4489570, - 9688441, - -14785194, - 10184609, - -12363380, - 29287919, - 11864899, - -24514362, - -4438546}, -}, - { - {15636291, - -9688557, - 24204773, - -7912398, - 616977, - -16685262, - 27787600, - -14772189, - 28944400, - -1550024}, - {16568933, - 4717097, - -11556148, - -1102322, - 15682896, - -11807043, - 16354577, - -11775962, - 7689662, - 11199574}, - {30464156, - -5976125, - -11779434, - -15670865, - 23220365, - 15915852, - 7512774, - 10017326, - -17749093, - -9920357}, - }, - { - {10861363, - 11473154, - 27284546, - 1981175, - -30064349, - 12577861, - 32867885, - 14515107, - -15438304, - 10819380}, - {4708026, - 6336745, - 20377586, - 9066809, - -11272109, - 6594696, - -25653668, - 12483688, - -12668491, - 5581306}, - {19563160, - 16186464, - -29386857, - 4097519, - 10237984, - -4348115, - 28542350, - 13850243, - -23678021, - -15815942}, - }, - { - {5153746, - 9909285, - 1723747, - -2777874, - 30523605, - 5516873, - 19480852, - 5230134, - -23952439, - -15175766}, - {-30269007, - -3463509, - 7665486, - 10083793, - 28475525, - 1649722, - 20654025, - 16520125, - 30598449, - 7715701}, - {28881845, - 14381568, - 9657904, - 3680757, - -20181635, - 7843316, - -31400660, - 1370708, - 29794553, - -1409300}, - }, - { - {-22518993, - -6692182, - 14201702, - -8745502, - -23510406, - 8844726, - 18474211, - -1361450, - -13062696, - 13821877}, - {-6455177, - -7839871, - 3374702, - -4740862, - -27098617, - -10571707, - 31655028, - -7212327, - 18853322, - -14220951}, - {4566830, - -12963868, - -28974889, - -12240689, - -7602672, - -2830569, - -8514358, - -10431137, - 2207753, - -3209784}, - }, - { - {-25154831, - -4185821, - 29681144, - 7868801, - -6854661, - -9423865, - -12437364, - -663000, - -31111463, - -16132436}, - {25576264, - -2703214, - 7349804, - -11814844, - 16472782, - 9300885, - 3844789, - 15725684, - 171356, - 6466918}, - {23103977, - 13316479, - 9739013, - -16149481, - 817875, - -15038942, - 8965339, - -14088058, - -30714912, - 16193877}, - }, - { - {-33521811, - 3180713, - -2394130, - 14003687, - -16903474, - -16270840, - 17238398, - 4729455, - -18074513, - 9256800}, - {-25182317, - -4174131, - 32336398, - 5036987, - -21236817, - 11360617, - 22616405, - 9761698, - -19827198, - 630305}, - {-13720693, - 2639453, - -24237460, - -7406481, - 9494427, - -5774029, - -6554551, - -15960994, - -2449256, - -14291300}, - }, - { - {-3151181, - -5046075, - 9282714, - 6866145, - -31907062, - -863023, - -18940575, - 15033784, - 25105118, - -7894876}, - {-24326370, - 15950226, - -31801215, - -14592823, - -11662737, - -5090925, - 1573892, - -2625887, - 2198790, - -15804619}, - {-3099351, - 10324967, - -2241613, - 7453183, - -5446979, - -2735503, - -13812022, - -16236442, - -32461234, - -12290683}, - }, diff --git a/src/crypto/crypto_ops_builder/ref10/base2.py b/src/crypto/crypto_ops_builder/ref10/base2.py deleted file mode 100644 index 5e4e873..0000000 --- a/src/crypto/crypto_ops_builder/ref10/base2.py +++ /dev/null @@ -1,60 +0,0 @@ -b = 256 -q = 2**255 - 19 -l = 2**252 + 27742317777372353535851937790883648493 - -def expmod(b,e,m): - if e == 0: return 1 - t = expmod(b,e/2,m)**2 % m - if e & 1: t = (t*b) % m - return t - -def inv(x): - return expmod(x,q-2,q) - -d = -121665 * inv(121666) -I = expmod(2,(q-1)/4,q) - -def xrecover(y): - xx = (y*y-1) * inv(d*y*y+1) - x = expmod(xx,(q+3)/8,q) - if (x*x - xx) % q != 0: x = (x*I) % q - if x % 2 != 0: x = q-x - return x - -By = 4 * inv(5) -Bx = xrecover(By) -B = [Bx % q,By % q] - -def edwards(P,Q): - x1 = P[0] - y1 = P[1] - x2 = Q[0] - y2 = Q[1] - x3 = (x1*y2+x2*y1) * inv(1+d*x1*x2*y1*y2) - y3 = (y1*y2+x1*x2) * inv(1-d*x1*x2*y1*y2) - return [x3 % q,y3 % q] - -def radix255(x): - x = x % q - if x + x > q: x -= q - x = [x,0,0,0,0,0,0,0,0,0] - bits = [26,25,26,25,26,25,26,25,26,25] - for i in range(9): - carry = (x[i] + 2**(bits[i]-1)) / 2**bits[i] - x[i] -= carry * 2**bits[i] - x[i + 1] += carry - result = "" - for i in range(9): - result = result+str(x[i])+"," - result = result+str(x[9]) - return result - -Bi = B - -for i in range(8): - print " {" - print " {",radix255(Bi[1]+Bi[0]),"}," - print " {",radix255(Bi[1]-Bi[0]),"}," - print " {",radix255(2*d*Bi[0]*Bi[1]),"}," - print " }," - Bi = edwards(B,edwards(B,Bi)) diff --git a/src/crypto/crypto_ops_builder/ref10/d.h b/src/crypto/crypto_ops_builder/ref10/d.h deleted file mode 100644 index b42eacb..0000000 --- a/src/crypto/crypto_ops_builder/ref10/d.h +++ /dev/null @@ -1 +0,0 @@ -- 10913610, 13857413, -15372611, 6949391, 114729, -8787816, -6275908, -3247719, -18696448, -12055116 diff --git a/src/crypto/crypto_ops_builder/ref10/d.py b/src/crypto/crypto_ops_builder/ref10/d.py deleted file mode 100644 index 8995bb8..0000000 --- a/src/crypto/crypto_ops_builder/ref10/d.py +++ /dev/null @@ -1,28 +0,0 @@ -q = 2**255 - 19 - -def expmod(b,e,m): - if e == 0: return 1 - t = expmod(b,e/2,m)**2 % m - if e & 1: t = (t*b) % m - return t - -def inv(x): - return expmod(x,q-2,q) - -def radix255(x): - x = x % q - if x + x > q: x -= q - x = [x,0,0,0,0,0,0,0,0,0] - bits = [26,25,26,25,26,25,26,25,26,25] - for i in range(9): - carry = (x[i] + 2**(bits[i]-1)) / 2**bits[i] - x[i] -= carry * 2**bits[i] - x[i + 1] += carry - result = "" - for i in range(9): - result = result+str(x[i])+"," - result = result+str(x[9]) - return result - -d = -121665 * inv(121666) -print radix255(d) diff --git a/src/crypto/crypto_ops_builder/ref10/d2.h b/src/crypto/crypto_ops_builder/ref10/d2.h deleted file mode 100644 index 3c401c7..0000000 --- a/src/crypto/crypto_ops_builder/ref10/d2.h +++ /dev/null @@ -1 +0,0 @@ -- 21827239, -5839606, -30745221, 13898782, 229458, 15978800, -12551817, -6495438, 29715968, 9444199 diff --git a/src/crypto/crypto_ops_builder/ref10/d2.py b/src/crypto/crypto_ops_builder/ref10/d2.py deleted file mode 100644 index 7984175..0000000 --- a/src/crypto/crypto_ops_builder/ref10/d2.py +++ /dev/null @@ -1,28 +0,0 @@ -q = 2**255 - 19 - -def expmod(b,e,m): - if e == 0: return 1 - t = expmod(b,e/2,m)**2 % m - if e & 1: t = (t*b) % m - return t - -def inv(x): - return expmod(x,q-2,q) - -def radix255(x): - x = x % q - if x + x > q: x -= q - x = [x,0,0,0,0,0,0,0,0,0] - bits = [26,25,26,25,26,25,26,25,26,25] - for i in range(9): - carry = (x[i] + 2**(bits[i]-1)) / 2**bits[i] - x[i] -= carry * 2**bits[i] - x[i + 1] += carry - result = "" - for i in range(9): - result = result+str(x[i])+"," - result = result+str(x[9]) - return result - -d = -121665 * inv(121666) -print radix255(d*2) diff --git a/src/crypto/crypto_ops_builder/ref10/description b/src/crypto/crypto_ops_builder/ref10/description deleted file mode 100644 index 99f7477..0000000 --- a/src/crypto/crypto_ops_builder/ref10/description +++ /dev/null @@ -1,2 +0,0 @@ -EdDSA signatures using Curve25519 -from https://hyperelliptic.org/ebats/supercop-20141124.tar.bz2 diff --git a/src/crypto/crypto_ops_builder/ref10/designers b/src/crypto/crypto_ops_builder/ref10/designers deleted file mode 100644 index 2a3a93a..0000000 --- a/src/crypto/crypto_ops_builder/ref10/designers +++ /dev/null @@ -1,5 +0,0 @@ -Daniel J. Bernstein -Niels Duif -Tanja Lange -Peter Schwabe -Bo-Yin Yang diff --git a/src/crypto/crypto_ops_builder/ref10/fe.h b/src/crypto/crypto_ops_builder/ref10/fe.h deleted file mode 100644 index e0ff358..0000000 --- a/src/crypto/crypto_ops_builder/ref10/fe.h +++ /dev/null @@ -1,56 +0,0 @@ -#ifndef FE_H -#define FE_H - -#include "crypto_int32.h" - -typedef crypto_int32 fe[10]; - -/* -fe means field element. -Here the field is \Z/(2^255-19). -An element t, entries t[0]...t[9], represents the integer -t[0]+2^26 t[1]+2^51 t[2]+2^77 t[3]+2^102 t[4]+...+2^230 t[9]. -Bounds on each t[i] vary depending on context. -*/ - -#define fe_frombytes crypto_sign_ed25519_ref10_fe_frombytes -#define fe_tobytes crypto_sign_ed25519_ref10_fe_tobytes -#define fe_copy crypto_sign_ed25519_ref10_fe_copy -#define fe_isnonzero crypto_sign_ed25519_ref10_fe_isnonzero -#define fe_isnegative crypto_sign_ed25519_ref10_fe_isnegative -#define fe_0 crypto_sign_ed25519_ref10_fe_0 -#define fe_1 crypto_sign_ed25519_ref10_fe_1 -#define fe_cswap crypto_sign_ed25519_ref10_fe_cswap -#define fe_cmov crypto_sign_ed25519_ref10_fe_cmov -#define fe_add crypto_sign_ed25519_ref10_fe_add -#define fe_sub crypto_sign_ed25519_ref10_fe_sub -#define fe_neg crypto_sign_ed25519_ref10_fe_neg -#define fe_mul crypto_sign_ed25519_ref10_fe_mul -#define fe_sq crypto_sign_ed25519_ref10_fe_sq -#define fe_sq2 crypto_sign_ed25519_ref10_fe_sq2 -#define fe_mul121666 crypto_sign_ed25519_ref10_fe_mul121666 -#define fe_invert crypto_sign_ed25519_ref10_fe_invert -#define fe_pow22523 crypto_sign_ed25519_ref10_fe_pow22523 - -extern void fe_frombytes(fe, const unsigned char*); -extern void fe_tobytes(unsigned char*, const fe); - -extern void fe_copy(fe, const fe); -extern int fe_isnonzero(const fe); -extern int fe_isnegative(const fe); -extern void fe_0(fe); -extern void fe_1(fe); -extern void fe_cswap(fe, fe, unsigned int); -extern void fe_cmov(fe, const fe, unsigned int); - -extern void fe_add(fe, const fe, const fe); -extern void fe_sub(fe, const fe, const fe); -extern void fe_neg(fe, const fe); -extern void fe_mul(fe, const fe, const fe); -extern void fe_sq(fe, const fe); -extern void fe_sq2(fe, const fe); -extern void fe_mul121666(fe, const fe); -extern void fe_invert(fe, const fe); -extern void fe_pow22523(fe, const fe); - -#endif diff --git a/src/crypto/crypto_ops_builder/ref10/fe_0.c b/src/crypto/crypto_ops_builder/ref10/fe_0.c deleted file mode 100644 index 26d68af..0000000 --- a/src/crypto/crypto_ops_builder/ref10/fe_0.c +++ /dev/null @@ -1,18 +0,0 @@ -#include "fe.h" - -/* -h = 0 -*/ - -void fe_0(fe h) { - h[0] = 0; - h[1] = 0; - h[2] = 0; - h[3] = 0; - h[4] = 0; - h[5] = 0; - h[6] = 0; - h[7] = 0; - h[8] = 0; - h[9] = 0; -} diff --git a/src/crypto/crypto_ops_builder/ref10/fe_1.c b/src/crypto/crypto_ops_builder/ref10/fe_1.c deleted file mode 100644 index dd756ed..0000000 --- a/src/crypto/crypto_ops_builder/ref10/fe_1.c +++ /dev/null @@ -1,18 +0,0 @@ -#include "fe.h" - -/* -h = 1 -*/ - -void fe_1(fe h) { - h[0] = 1; - h[1] = 0; - h[2] = 0; - h[3] = 0; - h[4] = 0; - h[5] = 0; - h[6] = 0; - h[7] = 0; - h[8] = 0; - h[9] = 0; -} diff --git a/src/crypto/crypto_ops_builder/ref10/fe_add.c b/src/crypto/crypto_ops_builder/ref10/fe_add.c deleted file mode 100644 index 67dc27e..0000000 --- a/src/crypto/crypto_ops_builder/ref10/fe_add.c +++ /dev/null @@ -1,56 +0,0 @@ -#include "fe.h" - -/* -h = f + g -Can overlap h with f or g. - -Preconditions: - |f| bounded by 1.1*2^25,1.1*2^24,1.1*2^25,1.1*2^24,etc. - |g| bounded by 1.1*2^25,1.1*2^24,1.1*2^25,1.1*2^24,etc. - -Postconditions: - |h| bounded by 1.1*2^26,1.1*2^25,1.1*2^26,1.1*2^25,etc. -*/ - -void fe_add(fe h, const fe f, const fe g) { - crypto_int32 f0 = f[0]; - crypto_int32 f1 = f[1]; - crypto_int32 f2 = f[2]; - crypto_int32 f3 = f[3]; - crypto_int32 f4 = f[4]; - crypto_int32 f5 = f[5]; - crypto_int32 f6 = f[6]; - crypto_int32 f7 = f[7]; - crypto_int32 f8 = f[8]; - crypto_int32 f9 = f[9]; - crypto_int32 g0 = g[0]; - crypto_int32 g1 = g[1]; - crypto_int32 g2 = g[2]; - crypto_int32 g3 = g[3]; - crypto_int32 g4 = g[4]; - crypto_int32 g5 = g[5]; - crypto_int32 g6 = g[6]; - crypto_int32 g7 = g[7]; - crypto_int32 g8 = g[8]; - crypto_int32 g9 = g[9]; - crypto_int32 h0 = f0 + g0; - crypto_int32 h1 = f1 + g1; - crypto_int32 h2 = f2 + g2; - crypto_int32 h3 = f3 + g3; - crypto_int32 h4 = f4 + g4; - crypto_int32 h5 = f5 + g5; - crypto_int32 h6 = f6 + g6; - crypto_int32 h7 = f7 + g7; - crypto_int32 h8 = f8 + g8; - crypto_int32 h9 = f9 + g9; - h[0] = h0; - h[1] = h1; - h[2] = h2; - h[3] = h3; - h[4] = h4; - h[5] = h5; - h[6] = h6; - h[7] = h7; - h[8] = h8; - h[9] = h9; -} diff --git a/src/crypto/crypto_ops_builder/ref10/fe_cmov.c b/src/crypto/crypto_ops_builder/ref10/fe_cmov.c deleted file mode 100644 index 9829e26..0000000 --- a/src/crypto/crypto_ops_builder/ref10/fe_cmov.c +++ /dev/null @@ -1,62 +0,0 @@ -#include "fe.h" - -/* -Replace (f,g) with (g,g) if b == 1; -replace (f,g) with (f,g) if b == 0. - -Preconditions: b in {0,1}. -*/ - -void fe_cmov(fe f, const fe g, unsigned int b) { - crypto_int32 f0 = f[0]; - crypto_int32 f1 = f[1]; - crypto_int32 f2 = f[2]; - crypto_int32 f3 = f[3]; - crypto_int32 f4 = f[4]; - crypto_int32 f5 = f[5]; - crypto_int32 f6 = f[6]; - crypto_int32 f7 = f[7]; - crypto_int32 f8 = f[8]; - crypto_int32 f9 = f[9]; - crypto_int32 g0 = g[0]; - crypto_int32 g1 = g[1]; - crypto_int32 g2 = g[2]; - crypto_int32 g3 = g[3]; - crypto_int32 g4 = g[4]; - crypto_int32 g5 = g[5]; - crypto_int32 g6 = g[6]; - crypto_int32 g7 = g[7]; - crypto_int32 g8 = g[8]; - crypto_int32 g9 = g[9]; - crypto_int32 x0 = f0 ^ g0; - crypto_int32 x1 = f1 ^ g1; - crypto_int32 x2 = f2 ^ g2; - crypto_int32 x3 = f3 ^ g3; - crypto_int32 x4 = f4 ^ g4; - crypto_int32 x5 = f5 ^ g5; - crypto_int32 x6 = f6 ^ g6; - crypto_int32 x7 = f7 ^ g7; - crypto_int32 x8 = f8 ^ g8; - crypto_int32 x9 = f9 ^ g9; - b = -b; - x0 &= b; - x1 &= b; - x2 &= b; - x3 &= b; - x4 &= b; - x5 &= b; - x6 &= b; - x7 &= b; - x8 &= b; - x9 &= b; - f[0] = f0 ^ x0; - f[1] = f1 ^ x1; - f[2] = f2 ^ x2; - f[3] = f3 ^ x3; - f[4] = f4 ^ x4; - f[5] = f5 ^ x5; - f[6] = f6 ^ x6; - f[7] = f7 ^ x7; - f[8] = f8 ^ x8; - f[9] = f9 ^ x9; -} diff --git a/src/crypto/crypto_ops_builder/ref10/fe_copy.c b/src/crypto/crypto_ops_builder/ref10/fe_copy.c deleted file mode 100644 index a8f95a4..0000000 --- a/src/crypto/crypto_ops_builder/ref10/fe_copy.c +++ /dev/null @@ -1,28 +0,0 @@ -#include "fe.h" - -/* -h = f -*/ - -void fe_copy(fe h, const fe f) { - crypto_int32 f0 = f[0]; - crypto_int32 f1 = f[1]; - crypto_int32 f2 = f[2]; - crypto_int32 f3 = f[3]; - crypto_int32 f4 = f[4]; - crypto_int32 f5 = f[5]; - crypto_int32 f6 = f[6]; - crypto_int32 f7 = f[7]; - crypto_int32 f8 = f[8]; - crypto_int32 f9 = f[9]; - h[0] = f0; - h[1] = f1; - h[2] = f2; - h[3] = f3; - h[4] = f4; - h[5] = f5; - h[6] = f6; - h[7] = f7; - h[8] = f8; - h[9] = f9; -} diff --git a/src/crypto/crypto_ops_builder/ref10/fe_frombytes.c b/src/crypto/crypto_ops_builder/ref10/fe_frombytes.c deleted file mode 100644 index 87ec24c..0000000 --- a/src/crypto/crypto_ops_builder/ref10/fe_frombytes.c +++ /dev/null @@ -1,90 +0,0 @@ -#include "crypto_int64.h" -#include "crypto_uint64.h" -#include "fe.h" - -static crypto_uint64 load_3(const unsigned char* in) { - crypto_uint64 result; - result = (crypto_uint64)in[0]; - result |= ((crypto_uint64)in[1]) << 8; - result |= ((crypto_uint64)in[2]) << 16; - return result; -} - -static crypto_uint64 load_4(const unsigned char* in) { - crypto_uint64 result; - result = (crypto_uint64)in[0]; - result |= ((crypto_uint64)in[1]) << 8; - result |= ((crypto_uint64)in[2]) << 16; - result |= ((crypto_uint64)in[3]) << 24; - return result; -} - -/* -Ignores top bit of h. -*/ - -void fe_frombytes(fe h, const unsigned char* s) { - crypto_int64 h0 = load_4(s); - crypto_int64 h1 = load_3(s + 4) << 6; - crypto_int64 h2 = load_3(s + 7) << 5; - crypto_int64 h3 = load_3(s + 10) << 3; - crypto_int64 h4 = load_3(s + 13) << 2; - crypto_int64 h5 = load_4(s + 16); - crypto_int64 h6 = load_3(s + 20) << 7; - crypto_int64 h7 = load_3(s + 23) << 5; - crypto_int64 h8 = load_3(s + 26) << 4; - crypto_int64 h9 = (load_3(s + 29) & 8388607) << 2; - crypto_int64 carry0; - crypto_int64 carry1; - crypto_int64 carry2; - crypto_int64 carry3; - crypto_int64 carry4; - crypto_int64 carry5; - crypto_int64 carry6; - crypto_int64 carry7; - crypto_int64 carry8; - crypto_int64 carry9; - - carry9 = (h9 + (crypto_int64)(1 << 24)) >> 25; - h0 += carry9 * 19; - h9 -= carry9 << 25; - carry1 = (h1 + (crypto_int64)(1 << 24)) >> 25; - h2 += carry1; - h1 -= carry1 << 25; - carry3 = (h3 + (crypto_int64)(1 << 24)) >> 25; - h4 += carry3; - h3 -= carry3 << 25; - carry5 = (h5 + (crypto_int64)(1 << 24)) >> 25; - h6 += carry5; - h5 -= carry5 << 25; - carry7 = (h7 + (crypto_int64)(1 << 24)) >> 25; - h8 += carry7; - h7 -= carry7 << 25; - - carry0 = (h0 + (crypto_int64)(1 << 25)) >> 26; - h1 += carry0; - h0 -= carry0 << 26; - carry2 = (h2 + (crypto_int64)(1 << 25)) >> 26; - h3 += carry2; - h2 -= carry2 << 26; - carry4 = (h4 + (crypto_int64)(1 << 25)) >> 26; - h5 += carry4; - h4 -= carry4 << 26; - carry6 = (h6 + (crypto_int64)(1 << 25)) >> 26; - h7 += carry6; - h6 -= carry6 << 26; - carry8 = (h8 + (crypto_int64)(1 << 25)) >> 26; - h9 += carry8; - h8 -= carry8 << 26; - - h[0] = h0; - h[1] = h1; - h[2] = h2; - h[3] = h3; - h[4] = h4; - h[5] = h5; - h[6] = h6; - h[7] = h7; - h[8] = h8; - h[9] = h9; -} diff --git a/src/crypto/crypto_ops_builder/ref10/fe_invert.c b/src/crypto/crypto_ops_builder/ref10/fe_invert.c deleted file mode 100644 index 81c619c..0000000 --- a/src/crypto/crypto_ops_builder/ref10/fe_invert.c +++ /dev/null @@ -1,13 +0,0 @@ -#include "fe.h" - -void fe_invert(fe out, const fe z) { - fe t0; - fe t1; - fe t2; - fe t3; - int i; - -#include "pow225521.h" - - return; -} diff --git a/src/crypto/crypto_ops_builder/ref10/fe_isnegative.c b/src/crypto/crypto_ops_builder/ref10/fe_isnegative.c deleted file mode 100644 index fde56ef..0000000 --- a/src/crypto/crypto_ops_builder/ref10/fe_isnegative.c +++ /dev/null @@ -1,15 +0,0 @@ -#include "fe.h" - -/* -return 1 if f is in {1,3,5,...,q-2} -return 0 if f is in {0,2,4,...,q-1} - -Preconditions: - |f| bounded by 1.1*2^26,1.1*2^25,1.1*2^26,1.1*2^25,etc. -*/ - -int fe_isnegative(const fe f) { - unsigned char s[32]; - fe_tobytes(s, f); - return s[0] & 1; -} diff --git a/src/crypto/crypto_ops_builder/ref10/fe_isnonzero.c b/src/crypto/crypto_ops_builder/ref10/fe_isnonzero.c deleted file mode 100644 index 065f4d0..0000000 --- a/src/crypto/crypto_ops_builder/ref10/fe_isnonzero.c +++ /dev/null @@ -1,18 +0,0 @@ -#include "crypto_verify_32.h" -#include "fe.h" - -/* -return 1 if f == 0 -return 0 if f != 0 - -Preconditions: - |f| bounded by 1.1*2^26,1.1*2^25,1.1*2^26,1.1*2^25,etc. -*/ - -static const unsigned char zero[32]; - -int fe_isnonzero(const fe f) { - unsigned char s[32]; - fe_tobytes(s, f); - return crypto_verify_32(s, zero); -} diff --git a/src/crypto/crypto_ops_builder/ref10/fe_mul.c b/src/crypto/crypto_ops_builder/ref10/fe_mul.c deleted file mode 100644 index 6fc1602..0000000 --- a/src/crypto/crypto_ops_builder/ref10/fe_mul.c +++ /dev/null @@ -1,284 +0,0 @@ -#include "crypto_int64.h" -#include "fe.h" - -/* -h = f * g -Can overlap h with f or g. - -Preconditions: - |f| bounded by 1.65*2^26,1.65*2^25,1.65*2^26,1.65*2^25,etc. - |g| bounded by 1.65*2^26,1.65*2^25,1.65*2^26,1.65*2^25,etc. - -Postconditions: - |h| bounded by 1.01*2^25,1.01*2^24,1.01*2^25,1.01*2^24,etc. -*/ - -/* -Notes on implementation strategy: - -Using schoolbook multiplication. -Karatsuba would save a little in some cost models. - -Most multiplications by 2 and 19 are 32-bit precomputations; -cheaper than 64-bit postcomputations. - -There is one remaining multiplication by 19 in the carry chain; -one *19 precomputation can be merged into this, -but the resulting data flow is considerably less clean. - -There are 12 carries below. -10 of them are 2-way parallelizable and vectorizable. -Can get away with 11 carries, but then data flow is much deeper. - -With tighter constraints on inputs can squeeze carries into int32. -*/ - -void fe_mul(fe h, const fe f, const fe g) { - crypto_int32 f0 = f[0]; - crypto_int32 f1 = f[1]; - crypto_int32 f2 = f[2]; - crypto_int32 f3 = f[3]; - crypto_int32 f4 = f[4]; - crypto_int32 f5 = f[5]; - crypto_int32 f6 = f[6]; - crypto_int32 f7 = f[7]; - crypto_int32 f8 = f[8]; - crypto_int32 f9 = f[9]; - crypto_int32 g0 = g[0]; - crypto_int32 g1 = g[1]; - crypto_int32 g2 = g[2]; - crypto_int32 g3 = g[3]; - crypto_int32 g4 = g[4]; - crypto_int32 g5 = g[5]; - crypto_int32 g6 = g[6]; - crypto_int32 g7 = g[7]; - crypto_int32 g8 = g[8]; - crypto_int32 g9 = g[9]; - crypto_int32 g1_19 = 19 * g1; /* 1.959375*2^29 */ - crypto_int32 g2_19 = 19 * g2; /* 1.959375*2^30; still ok */ - crypto_int32 g3_19 = 19 * g3; - crypto_int32 g4_19 = 19 * g4; - crypto_int32 g5_19 = 19 * g5; - crypto_int32 g6_19 = 19 * g6; - crypto_int32 g7_19 = 19 * g7; - crypto_int32 g8_19 = 19 * g8; - crypto_int32 g9_19 = 19 * g9; - crypto_int32 f1_2 = 2 * f1; - crypto_int32 f3_2 = 2 * f3; - crypto_int32 f5_2 = 2 * f5; - crypto_int32 f7_2 = 2 * f7; - crypto_int32 f9_2 = 2 * f9; - crypto_int64 f0g0 = f0 * (crypto_int64)g0; - crypto_int64 f0g1 = f0 * (crypto_int64)g1; - crypto_int64 f0g2 = f0 * (crypto_int64)g2; - crypto_int64 f0g3 = f0 * (crypto_int64)g3; - crypto_int64 f0g4 = f0 * (crypto_int64)g4; - crypto_int64 f0g5 = f0 * (crypto_int64)g5; - crypto_int64 f0g6 = f0 * (crypto_int64)g6; - crypto_int64 f0g7 = f0 * (crypto_int64)g7; - crypto_int64 f0g8 = f0 * (crypto_int64)g8; - crypto_int64 f0g9 = f0 * (crypto_int64)g9; - crypto_int64 f1g0 = f1 * (crypto_int64)g0; - crypto_int64 f1g1_2 = f1_2 * (crypto_int64)g1; - crypto_int64 f1g2 = f1 * (crypto_int64)g2; - crypto_int64 f1g3_2 = f1_2 * (crypto_int64)g3; - crypto_int64 f1g4 = f1 * (crypto_int64)g4; - crypto_int64 f1g5_2 = f1_2 * (crypto_int64)g5; - crypto_int64 f1g6 = f1 * (crypto_int64)g6; - crypto_int64 f1g7_2 = f1_2 * (crypto_int64)g7; - crypto_int64 f1g8 = f1 * (crypto_int64)g8; - crypto_int64 f1g9_38 = f1_2 * (crypto_int64)g9_19; - crypto_int64 f2g0 = f2 * (crypto_int64)g0; - crypto_int64 f2g1 = f2 * (crypto_int64)g1; - crypto_int64 f2g2 = f2 * (crypto_int64)g2; - crypto_int64 f2g3 = f2 * (crypto_int64)g3; - crypto_int64 f2g4 = f2 * (crypto_int64)g4; - crypto_int64 f2g5 = f2 * (crypto_int64)g5; - crypto_int64 f2g6 = f2 * (crypto_int64)g6; - crypto_int64 f2g7 = f2 * (crypto_int64)g7; - crypto_int64 f2g8_19 = f2 * (crypto_int64)g8_19; - crypto_int64 f2g9_19 = f2 * (crypto_int64)g9_19; - crypto_int64 f3g0 = f3 * (crypto_int64)g0; - crypto_int64 f3g1_2 = f3_2 * (crypto_int64)g1; - crypto_int64 f3g2 = f3 * (crypto_int64)g2; - crypto_int64 f3g3_2 = f3_2 * (crypto_int64)g3; - crypto_int64 f3g4 = f3 * (crypto_int64)g4; - crypto_int64 f3g5_2 = f3_2 * (crypto_int64)g5; - crypto_int64 f3g6 = f3 * (crypto_int64)g6; - crypto_int64 f3g7_38 = f3_2 * (crypto_int64)g7_19; - crypto_int64 f3g8_19 = f3 * (crypto_int64)g8_19; - crypto_int64 f3g9_38 = f3_2 * (crypto_int64)g9_19; - crypto_int64 f4g0 = f4 * (crypto_int64)g0; - crypto_int64 f4g1 = f4 * (crypto_int64)g1; - crypto_int64 f4g2 = f4 * (crypto_int64)g2; - crypto_int64 f4g3 = f4 * (crypto_int64)g3; - crypto_int64 f4g4 = f4 * (crypto_int64)g4; - crypto_int64 f4g5 = f4 * (crypto_int64)g5; - crypto_int64 f4g6_19 = f4 * (crypto_int64)g6_19; - crypto_int64 f4g7_19 = f4 * (crypto_int64)g7_19; - crypto_int64 f4g8_19 = f4 * (crypto_int64)g8_19; - crypto_int64 f4g9_19 = f4 * (crypto_int64)g9_19; - crypto_int64 f5g0 = f5 * (crypto_int64)g0; - crypto_int64 f5g1_2 = f5_2 * (crypto_int64)g1; - crypto_int64 f5g2 = f5 * (crypto_int64)g2; - crypto_int64 f5g3_2 = f5_2 * (crypto_int64)g3; - crypto_int64 f5g4 = f5 * (crypto_int64)g4; - crypto_int64 f5g5_38 = f5_2 * (crypto_int64)g5_19; - crypto_int64 f5g6_19 = f5 * (crypto_int64)g6_19; - crypto_int64 f5g7_38 = f5_2 * (crypto_int64)g7_19; - crypto_int64 f5g8_19 = f5 * (crypto_int64)g8_19; - crypto_int64 f5g9_38 = f5_2 * (crypto_int64)g9_19; - crypto_int64 f6g0 = f6 * (crypto_int64)g0; - crypto_int64 f6g1 = f6 * (crypto_int64)g1; - crypto_int64 f6g2 = f6 * (crypto_int64)g2; - crypto_int64 f6g3 = f6 * (crypto_int64)g3; - crypto_int64 f6g4_19 = f6 * (crypto_int64)g4_19; - crypto_int64 f6g5_19 = f6 * (crypto_int64)g5_19; - crypto_int64 f6g6_19 = f6 * (crypto_int64)g6_19; - crypto_int64 f6g7_19 = f6 * (crypto_int64)g7_19; - crypto_int64 f6g8_19 = f6 * (crypto_int64)g8_19; - crypto_int64 f6g9_19 = f6 * (crypto_int64)g9_19; - crypto_int64 f7g0 = f7 * (crypto_int64)g0; - crypto_int64 f7g1_2 = f7_2 * (crypto_int64)g1; - crypto_int64 f7g2 = f7 * (crypto_int64)g2; - crypto_int64 f7g3_38 = f7_2 * (crypto_int64)g3_19; - crypto_int64 f7g4_19 = f7 * (crypto_int64)g4_19; - crypto_int64 f7g5_38 = f7_2 * (crypto_int64)g5_19; - crypto_int64 f7g6_19 = f7 * (crypto_int64)g6_19; - crypto_int64 f7g7_38 = f7_2 * (crypto_int64)g7_19; - crypto_int64 f7g8_19 = f7 * (crypto_int64)g8_19; - crypto_int64 f7g9_38 = f7_2 * (crypto_int64)g9_19; - crypto_int64 f8g0 = f8 * (crypto_int64)g0; - crypto_int64 f8g1 = f8 * (crypto_int64)g1; - crypto_int64 f8g2_19 = f8 * (crypto_int64)g2_19; - crypto_int64 f8g3_19 = f8 * (crypto_int64)g3_19; - crypto_int64 f8g4_19 = f8 * (crypto_int64)g4_19; - crypto_int64 f8g5_19 = f8 * (crypto_int64)g5_19; - crypto_int64 f8g6_19 = f8 * (crypto_int64)g6_19; - crypto_int64 f8g7_19 = f8 * (crypto_int64)g7_19; - crypto_int64 f8g8_19 = f8 * (crypto_int64)g8_19; - crypto_int64 f8g9_19 = f8 * (crypto_int64)g9_19; - crypto_int64 f9g0 = f9 * (crypto_int64)g0; - crypto_int64 f9g1_38 = f9_2 * (crypto_int64)g1_19; - crypto_int64 f9g2_19 = f9 * (crypto_int64)g2_19; - crypto_int64 f9g3_38 = f9_2 * (crypto_int64)g3_19; - crypto_int64 f9g4_19 = f9 * (crypto_int64)g4_19; - crypto_int64 f9g5_38 = f9_2 * (crypto_int64)g5_19; - crypto_int64 f9g6_19 = f9 * (crypto_int64)g6_19; - crypto_int64 f9g7_38 = f9_2 * (crypto_int64)g7_19; - crypto_int64 f9g8_19 = f9 * (crypto_int64)g8_19; - crypto_int64 f9g9_38 = f9_2 * (crypto_int64)g9_19; - crypto_int64 h0 = f0g0 + f1g9_38 + f2g8_19 + f3g7_38 + f4g6_19 + f5g5_38 + f6g4_19 + f7g3_38 + - f8g2_19 + f9g1_38; - crypto_int64 h1 = f0g1 + f1g0 + f2g9_19 + f3g8_19 + f4g7_19 + f5g6_19 + f6g5_19 + f7g4_19 + - f8g3_19 + f9g2_19; - crypto_int64 h2 = f0g2 + f1g1_2 + f2g0 + f3g9_38 + f4g8_19 + f5g7_38 + f6g6_19 + f7g5_38 + - f8g4_19 + f9g3_38; - crypto_int64 h3 = - f0g3 + f1g2 + f2g1 + f3g0 + f4g9_19 + f5g8_19 + f6g7_19 + f7g6_19 + f8g5_19 + f9g4_19; - crypto_int64 h4 = - f0g4 + f1g3_2 + f2g2 + f3g1_2 + f4g0 + f5g9_38 + f6g8_19 + f7g7_38 + f8g6_19 + f9g5_38; - crypto_int64 h5 = - f0g5 + f1g4 + f2g3 + f3g2 + f4g1 + f5g0 + f6g9_19 + f7g8_19 + f8g7_19 + f9g6_19; - crypto_int64 h6 = - f0g6 + f1g5_2 + f2g4 + f3g3_2 + f4g2 + f5g1_2 + f6g0 + f7g9_38 + f8g8_19 + f9g7_38; - crypto_int64 h7 = f0g7 + f1g6 + f2g5 + f3g4 + f4g3 + f5g2 + f6g1 + f7g0 + f8g9_19 + f9g8_19; - crypto_int64 h8 = - f0g8 + f1g7_2 + f2g6 + f3g5_2 + f4g4 + f5g3_2 + f6g2 + f7g1_2 + f8g0 + f9g9_38; - crypto_int64 h9 = f0g9 + f1g8 + f2g7 + f3g6 + f4g5 + f5g4 + f6g3 + f7g2 + f8g1 + f9g0; - crypto_int64 carry0; - crypto_int64 carry1; - crypto_int64 carry2; - crypto_int64 carry3; - crypto_int64 carry4; - crypto_int64 carry5; - crypto_int64 carry6; - crypto_int64 carry7; - crypto_int64 carry8; - crypto_int64 carry9; - - /* - |h0| <= (1.65*1.65*2^52*(1+19+19+19+19)+1.65*1.65*2^50*(38+38+38+38+38)) - i.e. |h0| <= 1.4*2^60; narrower ranges for h2, h4, h6, h8 - |h1| <= (1.65*1.65*2^51*(1+1+19+19+19+19+19+19+19+19)) - i.e. |h1| <= 1.7*2^59; narrower ranges for h3, h5, h7, h9 - */ - - carry0 = (h0 + (crypto_int64)(1 << 25)) >> 26; - h1 += carry0; - h0 -= carry0 << 26; - carry4 = (h4 + (crypto_int64)(1 << 25)) >> 26; - h5 += carry4; - h4 -= carry4 << 26; - /* |h0| <= 2^25 */ - /* |h4| <= 2^25 */ - /* |h1| <= 1.71*2^59 */ - /* |h5| <= 1.71*2^59 */ - - carry1 = (h1 + (crypto_int64)(1 << 24)) >> 25; - h2 += carry1; - h1 -= carry1 << 25; - carry5 = (h5 + (crypto_int64)(1 << 24)) >> 25; - h6 += carry5; - h5 -= carry5 << 25; - /* |h1| <= 2^24; from now on fits into int32 */ - /* |h5| <= 2^24; from now on fits into int32 */ - /* |h2| <= 1.41*2^60 */ - /* |h6| <= 1.41*2^60 */ - - carry2 = (h2 + (crypto_int64)(1 << 25)) >> 26; - h3 += carry2; - h2 -= carry2 << 26; - carry6 = (h6 + (crypto_int64)(1 << 25)) >> 26; - h7 += carry6; - h6 -= carry6 << 26; - /* |h2| <= 2^25; from now on fits into int32 unchanged */ - /* |h6| <= 2^25; from now on fits into int32 unchanged */ - /* |h3| <= 1.71*2^59 */ - /* |h7| <= 1.71*2^59 */ - - carry3 = (h3 + (crypto_int64)(1 << 24)) >> 25; - h4 += carry3; - h3 -= carry3 << 25; - carry7 = (h7 + (crypto_int64)(1 << 24)) >> 25; - h8 += carry7; - h7 -= carry7 << 25; - /* |h3| <= 2^24; from now on fits into int32 unchanged */ - /* |h7| <= 2^24; from now on fits into int32 unchanged */ - /* |h4| <= 1.72*2^34 */ - /* |h8| <= 1.41*2^60 */ - - carry4 = (h4 + (crypto_int64)(1 << 25)) >> 26; - h5 += carry4; - h4 -= carry4 << 26; - carry8 = (h8 + (crypto_int64)(1 << 25)) >> 26; - h9 += carry8; - h8 -= carry8 << 26; - /* |h4| <= 2^25; from now on fits into int32 unchanged */ - /* |h8| <= 2^25; from now on fits into int32 unchanged */ - /* |h5| <= 1.01*2^24 */ - /* |h9| <= 1.71*2^59 */ - - carry9 = (h9 + (crypto_int64)(1 << 24)) >> 25; - h0 += carry9 * 19; - h9 -= carry9 << 25; - /* |h9| <= 2^24; from now on fits into int32 unchanged */ - /* |h0| <= 1.1*2^39 */ - - carry0 = (h0 + (crypto_int64)(1 << 25)) >> 26; - h1 += carry0; - h0 -= carry0 << 26; - /* |h0| <= 2^25; from now on fits into int32 unchanged */ - /* |h1| <= 1.01*2^24 */ - - h[0] = h0; - h[1] = h1; - h[2] = h2; - h[3] = h3; - h[4] = h4; - h[5] = h5; - h[6] = h6; - h[7] = h7; - h[8] = h8; - h[9] = h9; -} diff --git a/src/crypto/crypto_ops_builder/ref10/fe_neg.c b/src/crypto/crypto_ops_builder/ref10/fe_neg.c deleted file mode 100644 index 4c913ba..0000000 --- a/src/crypto/crypto_ops_builder/ref10/fe_neg.c +++ /dev/null @@ -1,44 +0,0 @@ -#include "fe.h" - -/* -h = -f - -Preconditions: - |f| bounded by 1.1*2^25,1.1*2^24,1.1*2^25,1.1*2^24,etc. - -Postconditions: - |h| bounded by 1.1*2^25,1.1*2^24,1.1*2^25,1.1*2^24,etc. -*/ - -void fe_neg(fe h, const fe f) { - crypto_int32 f0 = f[0]; - crypto_int32 f1 = f[1]; - crypto_int32 f2 = f[2]; - crypto_int32 f3 = f[3]; - crypto_int32 f4 = f[4]; - crypto_int32 f5 = f[5]; - crypto_int32 f6 = f[6]; - crypto_int32 f7 = f[7]; - crypto_int32 f8 = f[8]; - crypto_int32 f9 = f[9]; - crypto_int32 h0 = -f0; - crypto_int32 h1 = -f1; - crypto_int32 h2 = -f2; - crypto_int32 h3 = -f3; - crypto_int32 h4 = -f4; - crypto_int32 h5 = -f5; - crypto_int32 h6 = -f6; - crypto_int32 h7 = -f7; - crypto_int32 h8 = -f8; - crypto_int32 h9 = -f9; - h[0] = h0; - h[1] = h1; - h[2] = h2; - h[3] = h3; - h[4] = h4; - h[5] = h5; - h[6] = h6; - h[7] = h7; - h[8] = h8; - h[9] = h9; -} diff --git a/src/crypto/crypto_ops_builder/ref10/fe_pow22523.c b/src/crypto/crypto_ops_builder/ref10/fe_pow22523.c deleted file mode 100644 index fa808f2..0000000 --- a/src/crypto/crypto_ops_builder/ref10/fe_pow22523.c +++ /dev/null @@ -1,12 +0,0 @@ -#include "fe.h" - -void fe_pow22523(fe out, const fe z) { - fe t0; - fe t1; - fe t2; - int i; - -#include "pow22523.h" - - return; -} diff --git a/src/crypto/crypto_ops_builder/ref10/fe_sq.c b/src/crypto/crypto_ops_builder/ref10/fe_sq.c deleted file mode 100644 index 3e4a008..0000000 --- a/src/crypto/crypto_ops_builder/ref10/fe_sq.c +++ /dev/null @@ -1,172 +0,0 @@ -#include "crypto_int64.h" -#include "fe.h" - -/* -h = f * f -Can overlap h with f. - -Preconditions: - |f| bounded by 1.65*2^26,1.65*2^25,1.65*2^26,1.65*2^25,etc. - -Postconditions: - |h| bounded by 1.01*2^25,1.01*2^24,1.01*2^25,1.01*2^24,etc. -*/ - -/* -See fe_mul.c for discussion of implementation strategy. -*/ - -void fe_sq(fe h, const fe f) { - crypto_int32 f0 = f[0]; - crypto_int32 f1 = f[1]; - crypto_int32 f2 = f[2]; - crypto_int32 f3 = f[3]; - crypto_int32 f4 = f[4]; - crypto_int32 f5 = f[5]; - crypto_int32 f6 = f[6]; - crypto_int32 f7 = f[7]; - crypto_int32 f8 = f[8]; - crypto_int32 f9 = f[9]; - crypto_int32 f0_2 = 2 * f0; - crypto_int32 f1_2 = 2 * f1; - crypto_int32 f2_2 = 2 * f2; - crypto_int32 f3_2 = 2 * f3; - crypto_int32 f4_2 = 2 * f4; - crypto_int32 f5_2 = 2 * f5; - crypto_int32 f6_2 = 2 * f6; - crypto_int32 f7_2 = 2 * f7; - crypto_int32 f5_38 = 38 * f5; /* 1.959375*2^30 */ - crypto_int32 f6_19 = 19 * f6; /* 1.959375*2^30 */ - crypto_int32 f7_38 = 38 * f7; /* 1.959375*2^30 */ - crypto_int32 f8_19 = 19 * f8; /* 1.959375*2^30 */ - crypto_int32 f9_38 = 38 * f9; /* 1.959375*2^30 */ - crypto_int64 f0f0 = f0 * (crypto_int64)f0; - crypto_int64 f0f1_2 = f0_2 * (crypto_int64)f1; - crypto_int64 f0f2_2 = f0_2 * (crypto_int64)f2; - crypto_int64 f0f3_2 = f0_2 * (crypto_int64)f3; - crypto_int64 f0f4_2 = f0_2 * (crypto_int64)f4; - crypto_int64 f0f5_2 = f0_2 * (crypto_int64)f5; - crypto_int64 f0f6_2 = f0_2 * (crypto_int64)f6; - crypto_int64 f0f7_2 = f0_2 * (crypto_int64)f7; - crypto_int64 f0f8_2 = f0_2 * (crypto_int64)f8; - crypto_int64 f0f9_2 = f0_2 * (crypto_int64)f9; - crypto_int64 f1f1_2 = f1_2 * (crypto_int64)f1; - crypto_int64 f1f2_2 = f1_2 * (crypto_int64)f2; - crypto_int64 f1f3_4 = f1_2 * (crypto_int64)f3_2; - crypto_int64 f1f4_2 = f1_2 * (crypto_int64)f4; - crypto_int64 f1f5_4 = f1_2 * (crypto_int64)f5_2; - crypto_int64 f1f6_2 = f1_2 * (crypto_int64)f6; - crypto_int64 f1f7_4 = f1_2 * (crypto_int64)f7_2; - crypto_int64 f1f8_2 = f1_2 * (crypto_int64)f8; - crypto_int64 f1f9_76 = f1_2 * (crypto_int64)f9_38; - crypto_int64 f2f2 = f2 * (crypto_int64)f2; - crypto_int64 f2f3_2 = f2_2 * (crypto_int64)f3; - crypto_int64 f2f4_2 = f2_2 * (crypto_int64)f4; - crypto_int64 f2f5_2 = f2_2 * (crypto_int64)f5; - crypto_int64 f2f6_2 = f2_2 * (crypto_int64)f6; - crypto_int64 f2f7_2 = f2_2 * (crypto_int64)f7; - crypto_int64 f2f8_38 = f2_2 * (crypto_int64)f8_19; - crypto_int64 f2f9_38 = f2 * (crypto_int64)f9_38; - crypto_int64 f3f3_2 = f3_2 * (crypto_int64)f3; - crypto_int64 f3f4_2 = f3_2 * (crypto_int64)f4; - crypto_int64 f3f5_4 = f3_2 * (crypto_int64)f5_2; - crypto_int64 f3f6_2 = f3_2 * (crypto_int64)f6; - crypto_int64 f3f7_76 = f3_2 * (crypto_int64)f7_38; - crypto_int64 f3f8_38 = f3_2 * (crypto_int64)f8_19; - crypto_int64 f3f9_76 = f3_2 * (crypto_int64)f9_38; - crypto_int64 f4f4 = f4 * (crypto_int64)f4; - crypto_int64 f4f5_2 = f4_2 * (crypto_int64)f5; - crypto_int64 f4f6_38 = f4_2 * (crypto_int64)f6_19; - crypto_int64 f4f7_38 = f4 * (crypto_int64)f7_38; - crypto_int64 f4f8_38 = f4_2 * (crypto_int64)f8_19; - crypto_int64 f4f9_38 = f4 * (crypto_int64)f9_38; - crypto_int64 f5f5_38 = f5 * (crypto_int64)f5_38; - crypto_int64 f5f6_38 = f5_2 * (crypto_int64)f6_19; - crypto_int64 f5f7_76 = f5_2 * (crypto_int64)f7_38; - crypto_int64 f5f8_38 = f5_2 * (crypto_int64)f8_19; - crypto_int64 f5f9_76 = f5_2 * (crypto_int64)f9_38; - crypto_int64 f6f6_19 = f6 * (crypto_int64)f6_19; - crypto_int64 f6f7_38 = f6 * (crypto_int64)f7_38; - crypto_int64 f6f8_38 = f6_2 * (crypto_int64)f8_19; - crypto_int64 f6f9_38 = f6 * (crypto_int64)f9_38; - crypto_int64 f7f7_38 = f7 * (crypto_int64)f7_38; - crypto_int64 f7f8_38 = f7_2 * (crypto_int64)f8_19; - crypto_int64 f7f9_76 = f7_2 * (crypto_int64)f9_38; - crypto_int64 f8f8_19 = f8 * (crypto_int64)f8_19; - crypto_int64 f8f9_38 = f8 * (crypto_int64)f9_38; - crypto_int64 f9f9_38 = f9 * (crypto_int64)f9_38; - crypto_int64 h0 = f0f0 + f1f9_76 + f2f8_38 + f3f7_76 + f4f6_38 + f5f5_38; - crypto_int64 h1 = f0f1_2 + f2f9_38 + f3f8_38 + f4f7_38 + f5f6_38; - crypto_int64 h2 = f0f2_2 + f1f1_2 + f3f9_76 + f4f8_38 + f5f7_76 + f6f6_19; - crypto_int64 h3 = f0f3_2 + f1f2_2 + f4f9_38 + f5f8_38 + f6f7_38; - crypto_int64 h4 = f0f4_2 + f1f3_4 + f2f2 + f5f9_76 + f6f8_38 + f7f7_38; - crypto_int64 h5 = f0f5_2 + f1f4_2 + f2f3_2 + f6f9_38 + f7f8_38; - crypto_int64 h6 = f0f6_2 + f1f5_4 + f2f4_2 + f3f3_2 + f7f9_76 + f8f8_19; - crypto_int64 h7 = f0f7_2 + f1f6_2 + f2f5_2 + f3f4_2 + f8f9_38; - crypto_int64 h8 = f0f8_2 + f1f7_4 + f2f6_2 + f3f5_4 + f4f4 + f9f9_38; - crypto_int64 h9 = f0f9_2 + f1f8_2 + f2f7_2 + f3f6_2 + f4f5_2; - crypto_int64 carry0; - crypto_int64 carry1; - crypto_int64 carry2; - crypto_int64 carry3; - crypto_int64 carry4; - crypto_int64 carry5; - crypto_int64 carry6; - crypto_int64 carry7; - crypto_int64 carry8; - crypto_int64 carry9; - - carry0 = (h0 + (crypto_int64)(1 << 25)) >> 26; - h1 += carry0; - h0 -= carry0 << 26; - carry4 = (h4 + (crypto_int64)(1 << 25)) >> 26; - h5 += carry4; - h4 -= carry4 << 26; - - carry1 = (h1 + (crypto_int64)(1 << 24)) >> 25; - h2 += carry1; - h1 -= carry1 << 25; - carry5 = (h5 + (crypto_int64)(1 << 24)) >> 25; - h6 += carry5; - h5 -= carry5 << 25; - - carry2 = (h2 + (crypto_int64)(1 << 25)) >> 26; - h3 += carry2; - h2 -= carry2 << 26; - carry6 = (h6 + (crypto_int64)(1 << 25)) >> 26; - h7 += carry6; - h6 -= carry6 << 26; - - carry3 = (h3 + (crypto_int64)(1 << 24)) >> 25; - h4 += carry3; - h3 -= carry3 << 25; - carry7 = (h7 + (crypto_int64)(1 << 24)) >> 25; - h8 += carry7; - h7 -= carry7 << 25; - - carry4 = (h4 + (crypto_int64)(1 << 25)) >> 26; - h5 += carry4; - h4 -= carry4 << 26; - carry8 = (h8 + (crypto_int64)(1 << 25)) >> 26; - h9 += carry8; - h8 -= carry8 << 26; - - carry9 = (h9 + (crypto_int64)(1 << 24)) >> 25; - h0 += carry9 * 19; - h9 -= carry9 << 25; - - carry0 = (h0 + (crypto_int64)(1 << 25)) >> 26; - h1 += carry0; - h0 -= carry0 << 26; - - h[0] = h0; - h[1] = h1; - h[2] = h2; - h[3] = h3; - h[4] = h4; - h[5] = h5; - h[6] = h6; - h[7] = h7; - h[8] = h8; - h[9] = h9; -} diff --git a/src/crypto/crypto_ops_builder/ref10/fe_sq2.c b/src/crypto/crypto_ops_builder/ref10/fe_sq2.c deleted file mode 100644 index 6a5d9f9..0000000 --- a/src/crypto/crypto_ops_builder/ref10/fe_sq2.c +++ /dev/null @@ -1,183 +0,0 @@ -#include "crypto_int64.h" -#include "fe.h" - -/* -h = 2 * f * f -Can overlap h with f. - -Preconditions: - |f| bounded by 1.65*2^26,1.65*2^25,1.65*2^26,1.65*2^25,etc. - -Postconditions: - |h| bounded by 1.01*2^25,1.01*2^24,1.01*2^25,1.01*2^24,etc. -*/ - -/* -See fe_mul.c for discussion of implementation strategy. -*/ - -void fe_sq2(fe h, const fe f) { - crypto_int32 f0 = f[0]; - crypto_int32 f1 = f[1]; - crypto_int32 f2 = f[2]; - crypto_int32 f3 = f[3]; - crypto_int32 f4 = f[4]; - crypto_int32 f5 = f[5]; - crypto_int32 f6 = f[6]; - crypto_int32 f7 = f[7]; - crypto_int32 f8 = f[8]; - crypto_int32 f9 = f[9]; - crypto_int32 f0_2 = 2 * f0; - crypto_int32 f1_2 = 2 * f1; - crypto_int32 f2_2 = 2 * f2; - crypto_int32 f3_2 = 2 * f3; - crypto_int32 f4_2 = 2 * f4; - crypto_int32 f5_2 = 2 * f5; - crypto_int32 f6_2 = 2 * f6; - crypto_int32 f7_2 = 2 * f7; - crypto_int32 f5_38 = 38 * f5; /* 1.959375*2^30 */ - crypto_int32 f6_19 = 19 * f6; /* 1.959375*2^30 */ - crypto_int32 f7_38 = 38 * f7; /* 1.959375*2^30 */ - crypto_int32 f8_19 = 19 * f8; /* 1.959375*2^30 */ - crypto_int32 f9_38 = 38 * f9; /* 1.959375*2^30 */ - crypto_int64 f0f0 = f0 * (crypto_int64)f0; - crypto_int64 f0f1_2 = f0_2 * (crypto_int64)f1; - crypto_int64 f0f2_2 = f0_2 * (crypto_int64)f2; - crypto_int64 f0f3_2 = f0_2 * (crypto_int64)f3; - crypto_int64 f0f4_2 = f0_2 * (crypto_int64)f4; - crypto_int64 f0f5_2 = f0_2 * (crypto_int64)f5; - crypto_int64 f0f6_2 = f0_2 * (crypto_int64)f6; - crypto_int64 f0f7_2 = f0_2 * (crypto_int64)f7; - crypto_int64 f0f8_2 = f0_2 * (crypto_int64)f8; - crypto_int64 f0f9_2 = f0_2 * (crypto_int64)f9; - crypto_int64 f1f1_2 = f1_2 * (crypto_int64)f1; - crypto_int64 f1f2_2 = f1_2 * (crypto_int64)f2; - crypto_int64 f1f3_4 = f1_2 * (crypto_int64)f3_2; - crypto_int64 f1f4_2 = f1_2 * (crypto_int64)f4; - crypto_int64 f1f5_4 = f1_2 * (crypto_int64)f5_2; - crypto_int64 f1f6_2 = f1_2 * (crypto_int64)f6; - crypto_int64 f1f7_4 = f1_2 * (crypto_int64)f7_2; - crypto_int64 f1f8_2 = f1_2 * (crypto_int64)f8; - crypto_int64 f1f9_76 = f1_2 * (crypto_int64)f9_38; - crypto_int64 f2f2 = f2 * (crypto_int64)f2; - crypto_int64 f2f3_2 = f2_2 * (crypto_int64)f3; - crypto_int64 f2f4_2 = f2_2 * (crypto_int64)f4; - crypto_int64 f2f5_2 = f2_2 * (crypto_int64)f5; - crypto_int64 f2f6_2 = f2_2 * (crypto_int64)f6; - crypto_int64 f2f7_2 = f2_2 * (crypto_int64)f7; - crypto_int64 f2f8_38 = f2_2 * (crypto_int64)f8_19; - crypto_int64 f2f9_38 = f2 * (crypto_int64)f9_38; - crypto_int64 f3f3_2 = f3_2 * (crypto_int64)f3; - crypto_int64 f3f4_2 = f3_2 * (crypto_int64)f4; - crypto_int64 f3f5_4 = f3_2 * (crypto_int64)f5_2; - crypto_int64 f3f6_2 = f3_2 * (crypto_int64)f6; - crypto_int64 f3f7_76 = f3_2 * (crypto_int64)f7_38; - crypto_int64 f3f8_38 = f3_2 * (crypto_int64)f8_19; - crypto_int64 f3f9_76 = f3_2 * (crypto_int64)f9_38; - crypto_int64 f4f4 = f4 * (crypto_int64)f4; - crypto_int64 f4f5_2 = f4_2 * (crypto_int64)f5; - crypto_int64 f4f6_38 = f4_2 * (crypto_int64)f6_19; - crypto_int64 f4f7_38 = f4 * (crypto_int64)f7_38; - crypto_int64 f4f8_38 = f4_2 * (crypto_int64)f8_19; - crypto_int64 f4f9_38 = f4 * (crypto_int64)f9_38; - crypto_int64 f5f5_38 = f5 * (crypto_int64)f5_38; - crypto_int64 f5f6_38 = f5_2 * (crypto_int64)f6_19; - crypto_int64 f5f7_76 = f5_2 * (crypto_int64)f7_38; - crypto_int64 f5f8_38 = f5_2 * (crypto_int64)f8_19; - crypto_int64 f5f9_76 = f5_2 * (crypto_int64)f9_38; - crypto_int64 f6f6_19 = f6 * (crypto_int64)f6_19; - crypto_int64 f6f7_38 = f6 * (crypto_int64)f7_38; - crypto_int64 f6f8_38 = f6_2 * (crypto_int64)f8_19; - crypto_int64 f6f9_38 = f6 * (crypto_int64)f9_38; - crypto_int64 f7f7_38 = f7 * (crypto_int64)f7_38; - crypto_int64 f7f8_38 = f7_2 * (crypto_int64)f8_19; - crypto_int64 f7f9_76 = f7_2 * (crypto_int64)f9_38; - crypto_int64 f8f8_19 = f8 * (crypto_int64)f8_19; - crypto_int64 f8f9_38 = f8 * (crypto_int64)f9_38; - crypto_int64 f9f9_38 = f9 * (crypto_int64)f9_38; - crypto_int64 h0 = f0f0 + f1f9_76 + f2f8_38 + f3f7_76 + f4f6_38 + f5f5_38; - crypto_int64 h1 = f0f1_2 + f2f9_38 + f3f8_38 + f4f7_38 + f5f6_38; - crypto_int64 h2 = f0f2_2 + f1f1_2 + f3f9_76 + f4f8_38 + f5f7_76 + f6f6_19; - crypto_int64 h3 = f0f3_2 + f1f2_2 + f4f9_38 + f5f8_38 + f6f7_38; - crypto_int64 h4 = f0f4_2 + f1f3_4 + f2f2 + f5f9_76 + f6f8_38 + f7f7_38; - crypto_int64 h5 = f0f5_2 + f1f4_2 + f2f3_2 + f6f9_38 + f7f8_38; - crypto_int64 h6 = f0f6_2 + f1f5_4 + f2f4_2 + f3f3_2 + f7f9_76 + f8f8_19; - crypto_int64 h7 = f0f7_2 + f1f6_2 + f2f5_2 + f3f4_2 + f8f9_38; - crypto_int64 h8 = f0f8_2 + f1f7_4 + f2f6_2 + f3f5_4 + f4f4 + f9f9_38; - crypto_int64 h9 = f0f9_2 + f1f8_2 + f2f7_2 + f3f6_2 + f4f5_2; - crypto_int64 carry0; - crypto_int64 carry1; - crypto_int64 carry2; - crypto_int64 carry3; - crypto_int64 carry4; - crypto_int64 carry5; - crypto_int64 carry6; - crypto_int64 carry7; - crypto_int64 carry8; - crypto_int64 carry9; - - h0 += h0; - h1 += h1; - h2 += h2; - h3 += h3; - h4 += h4; - h5 += h5; - h6 += h6; - h7 += h7; - h8 += h8; - h9 += h9; - - carry0 = (h0 + (crypto_int64)(1 << 25)) >> 26; - h1 += carry0; - h0 -= carry0 << 26; - carry4 = (h4 + (crypto_int64)(1 << 25)) >> 26; - h5 += carry4; - h4 -= carry4 << 26; - - carry1 = (h1 + (crypto_int64)(1 << 24)) >> 25; - h2 += carry1; - h1 -= carry1 << 25; - carry5 = (h5 + (crypto_int64)(1 << 24)) >> 25; - h6 += carry5; - h5 -= carry5 << 25; - - carry2 = (h2 + (crypto_int64)(1 << 25)) >> 26; - h3 += carry2; - h2 -= carry2 << 26; - carry6 = (h6 + (crypto_int64)(1 << 25)) >> 26; - h7 += carry6; - h6 -= carry6 << 26; - - carry3 = (h3 + (crypto_int64)(1 << 24)) >> 25; - h4 += carry3; - h3 -= carry3 << 25; - carry7 = (h7 + (crypto_int64)(1 << 24)) >> 25; - h8 += carry7; - h7 -= carry7 << 25; - - carry4 = (h4 + (crypto_int64)(1 << 25)) >> 26; - h5 += carry4; - h4 -= carry4 << 26; - carry8 = (h8 + (crypto_int64)(1 << 25)) >> 26; - h9 += carry8; - h8 -= carry8 << 26; - - carry9 = (h9 + (crypto_int64)(1 << 24)) >> 25; - h0 += carry9 * 19; - h9 -= carry9 << 25; - - carry0 = (h0 + (crypto_int64)(1 << 25)) >> 26; - h1 += carry0; - h0 -= carry0 << 26; - - h[0] = h0; - h[1] = h1; - h[2] = h2; - h[3] = h3; - h[4] = h4; - h[5] = h5; - h[6] = h6; - h[7] = h7; - h[8] = h8; - h[9] = h9; -} diff --git a/src/crypto/crypto_ops_builder/ref10/fe_sub.c b/src/crypto/crypto_ops_builder/ref10/fe_sub.c deleted file mode 100644 index 2b8fb6f..0000000 --- a/src/crypto/crypto_ops_builder/ref10/fe_sub.c +++ /dev/null @@ -1,56 +0,0 @@ -#include "fe.h" - -/* -h = f - g -Can overlap h with f or g. - -Preconditions: - |f| bounded by 1.1*2^25,1.1*2^24,1.1*2^25,1.1*2^24,etc. - |g| bounded by 1.1*2^25,1.1*2^24,1.1*2^25,1.1*2^24,etc. - -Postconditions: - |h| bounded by 1.1*2^26,1.1*2^25,1.1*2^26,1.1*2^25,etc. -*/ - -void fe_sub(fe h, const fe f, const fe g) { - crypto_int32 f0 = f[0]; - crypto_int32 f1 = f[1]; - crypto_int32 f2 = f[2]; - crypto_int32 f3 = f[3]; - crypto_int32 f4 = f[4]; - crypto_int32 f5 = f[5]; - crypto_int32 f6 = f[6]; - crypto_int32 f7 = f[7]; - crypto_int32 f8 = f[8]; - crypto_int32 f9 = f[9]; - crypto_int32 g0 = g[0]; - crypto_int32 g1 = g[1]; - crypto_int32 g2 = g[2]; - crypto_int32 g3 = g[3]; - crypto_int32 g4 = g[4]; - crypto_int32 g5 = g[5]; - crypto_int32 g6 = g[6]; - crypto_int32 g7 = g[7]; - crypto_int32 g8 = g[8]; - crypto_int32 g9 = g[9]; - crypto_int32 h0 = f0 - g0; - crypto_int32 h1 = f1 - g1; - crypto_int32 h2 = f2 - g2; - crypto_int32 h3 = f3 - g3; - crypto_int32 h4 = f4 - g4; - crypto_int32 h5 = f5 - g5; - crypto_int32 h6 = f6 - g6; - crypto_int32 h7 = f7 - g7; - crypto_int32 h8 = f8 - g8; - crypto_int32 h9 = f9 - g9; - h[0] = h0; - h[1] = h1; - h[2] = h2; - h[3] = h3; - h[4] = h4; - h[5] = h5; - h[6] = h6; - h[7] = h7; - h[8] = h8; - h[9] = h9; -} diff --git a/src/crypto/crypto_ops_builder/ref10/fe_tobytes.c b/src/crypto/crypto_ops_builder/ref10/fe_tobytes.c deleted file mode 100644 index c7eab58..0000000 --- a/src/crypto/crypto_ops_builder/ref10/fe_tobytes.c +++ /dev/null @@ -1,137 +0,0 @@ -#include "fe.h" - -/* -Preconditions: - |h| bounded by 1.1*2^26,1.1*2^25,1.1*2^26,1.1*2^25,etc. - -Write p=2^255-19; q=floor(h/p). -Basic claim: q = floor(2^(-255)(h + 19 2^(-25)h9 + 2^(-1))). - -Proof: - Have |h|<=p so |q|<=1 so |19^2 2^(-255) q|<1/4. - Also have |h-2^230 h9|<2^231 so |19 2^(-255)(h-2^230 h9)|<1/4. - - Write y=2^(-1)-19^2 2^(-255)q-19 2^(-255)(h-2^230 h9). - Then 0> 25; - q = (h0 + q) >> 26; - q = (h1 + q) >> 25; - q = (h2 + q) >> 26; - q = (h3 + q) >> 25; - q = (h4 + q) >> 26; - q = (h5 + q) >> 25; - q = (h6 + q) >> 26; - q = (h7 + q) >> 25; - q = (h8 + q) >> 26; - q = (h9 + q) >> 25; - - /* Goal: Output h-(2^255-19)q, which is between 0 and 2^255-20. */ - h0 += 19 * q; - /* Goal: Output h-2^255 q, which is between 0 and 2^255-20. */ - - carry0 = h0 >> 26; - h1 += carry0; - h0 -= carry0 << 26; - carry1 = h1 >> 25; - h2 += carry1; - h1 -= carry1 << 25; - carry2 = h2 >> 26; - h3 += carry2; - h2 -= carry2 << 26; - carry3 = h3 >> 25; - h4 += carry3; - h3 -= carry3 << 25; - carry4 = h4 >> 26; - h5 += carry4; - h4 -= carry4 << 26; - carry5 = h5 >> 25; - h6 += carry5; - h5 -= carry5 << 25; - carry6 = h6 >> 26; - h7 += carry6; - h6 -= carry6 << 26; - carry7 = h7 >> 25; - h8 += carry7; - h7 -= carry7 << 25; - carry8 = h8 >> 26; - h9 += carry8; - h8 -= carry8 << 26; - carry9 = h9 >> 25; - h9 -= carry9 << 25; - /* h10 = carry9 */ - - /* - Goal: Output h0+...+2^255 h10-2^255 q, which is between 0 and 2^255-20. - Have h0+...+2^230 h9 between 0 and 2^255-1; - evidently 2^255 h10-2^255 q = 0. - Goal: Output h0+...+2^230 h9. - */ - - s[0] = h0 >> 0; - s[1] = h0 >> 8; - s[2] = h0 >> 16; - s[3] = (h0 >> 24) | (h1 << 2); - s[4] = h1 >> 6; - s[5] = h1 >> 14; - s[6] = (h1 >> 22) | (h2 << 3); - s[7] = h2 >> 5; - s[8] = h2 >> 13; - s[9] = (h2 >> 21) | (h3 << 5); - s[10] = h3 >> 3; - s[11] = h3 >> 11; - s[12] = (h3 >> 19) | (h4 << 6); - s[13] = h4 >> 2; - s[14] = h4 >> 10; - s[15] = h4 >> 18; - s[16] = h5 >> 0; - s[17] = h5 >> 8; - s[18] = h5 >> 16; - s[19] = (h5 >> 24) | (h6 << 1); - s[20] = h6 >> 7; - s[21] = h6 >> 15; - s[22] = (h6 >> 23) | (h7 << 3); - s[23] = h7 >> 5; - s[24] = h7 >> 13; - s[25] = (h7 >> 21) | (h8 << 4); - s[26] = h8 >> 4; - s[27] = h8 >> 12; - s[28] = (h8 >> 20) | (h9 << 6); - s[29] = h9 >> 2; - s[30] = h9 >> 10; - s[31] = h9 >> 18; -} diff --git a/src/crypto/crypto_ops_builder/ref10/ge.h b/src/crypto/crypto_ops_builder/ref10/ge.h deleted file mode 100644 index 1de2bc9..0000000 --- a/src/crypto/crypto_ops_builder/ref10/ge.h +++ /dev/null @@ -1,96 +0,0 @@ -#ifndef GE_H -#define GE_H - -/* -ge means group element. - -Here the group is the set of pairs (x,y) of field elements (see fe.h) -satisfying -x^2 + y^2 = 1 + d x^2y^2 -where d = -121665/121666. - -Representations: - ge_p2 (projective): (X:Y:Z) satisfying x=X/Z, y=Y/Z - ge_p3 (extended): (X:Y:Z:T) satisfying x=X/Z, y=Y/Z, XY=ZT - ge_p1p1 (completed): ((X:Z),(Y:T)) satisfying x=X/Z, y=Y/T - ge_precomp (Duif): (y+x,y-x,2dxy) -*/ - -#include "fe.h" - -typedef struct { - fe X; - fe Y; - fe Z; -} ge_p2; - -typedef struct { - fe X; - fe Y; - fe Z; - fe T; -} ge_p3; - -typedef struct { - fe X; - fe Y; - fe Z; - fe T; -} ge_p1p1; - -typedef struct { - fe yplusx; - fe yminusx; - fe xy2d; -} ge_precomp; - -typedef struct { - fe YplusX; - fe YminusX; - fe Z; - fe T2d; -} ge_cached; - -#define ge_frombytes_negate_vartime crypto_sign_ed25519_ref10_ge_frombytes_negate_vartime -#define ge_tobytes crypto_sign_ed25519_ref10_ge_tobytes -#define ge_p3_tobytes crypto_sign_ed25519_ref10_ge_p3_tobytes - -#define ge_p2_0 crypto_sign_ed25519_ref10_ge_p2_0 -#define ge_p3_0 crypto_sign_ed25519_ref10_ge_p3_0 -#define ge_precomp_0 crypto_sign_ed25519_ref10_ge_precomp_0 -#define ge_p3_to_p2 crypto_sign_ed25519_ref10_ge_p3_to_p2 -#define ge_p3_to_cached crypto_sign_ed25519_ref10_ge_p3_to_cached -#define ge_p1p1_to_p2 crypto_sign_ed25519_ref10_ge_p1p1_to_p2 -#define ge_p1p1_to_p3 crypto_sign_ed25519_ref10_ge_p1p1_to_p3 -#define ge_p2_dbl crypto_sign_ed25519_ref10_ge_p2_dbl -#define ge_p3_dbl crypto_sign_ed25519_ref10_ge_p3_dbl - -#define ge_madd crypto_sign_ed25519_ref10_ge_madd -#define ge_msub crypto_sign_ed25519_ref10_ge_msub -#define ge_add crypto_sign_ed25519_ref10_ge_add -#define ge_sub crypto_sign_ed25519_ref10_ge_sub -#define ge_scalarmult_base crypto_sign_ed25519_ref10_ge_scalarmult_base -#define ge_double_scalarmult_vartime crypto_sign_ed25519_ref10_ge_double_scalarmult_vartime - -extern void ge_tobytes(unsigned char*, const ge_p2*); -extern void ge_p3_tobytes(unsigned char*, const ge_p3*); -extern int ge_frombytes_negate_vartime(ge_p3*, const unsigned char*); - -extern void ge_p2_0(ge_p2*); -extern void ge_p3_0(ge_p3*); -extern void ge_precomp_0(ge_precomp*); -extern void ge_p3_to_p2(ge_p2*, const ge_p3*); -extern void ge_p3_to_cached(ge_cached*, const ge_p3*); -extern void ge_p1p1_to_p2(ge_p2*, const ge_p1p1*); -extern void ge_p1p1_to_p3(ge_p3*, const ge_p1p1*); -extern void ge_p2_dbl(ge_p1p1*, const ge_p2*); -extern void ge_p3_dbl(ge_p1p1*, const ge_p3*); - -extern void ge_madd(ge_p1p1*, const ge_p3*, const ge_precomp*); -extern void ge_msub(ge_p1p1*, const ge_p3*, const ge_precomp*); -extern void ge_add(ge_p1p1*, const ge_p3*, const ge_cached*); -extern void ge_sub(ge_p1p1*, const ge_p3*, const ge_cached*); -extern void ge_scalarmult_base(ge_p3*, const unsigned char*); -extern void ge_double_scalarmult_vartime( - ge_p2*, const unsigned char*, const ge_p3*, const unsigned char*); - -#endif diff --git a/src/crypto/crypto_ops_builder/ref10/ge_add.c b/src/crypto/crypto_ops_builder/ref10/ge_add.c deleted file mode 100644 index 2ef90dc..0000000 --- a/src/crypto/crypto_ops_builder/ref10/ge_add.c +++ /dev/null @@ -1,10 +0,0 @@ -#include "ge.h" - -/* -r = p + q -*/ - -void ge_add(ge_p1p1* r, const ge_p3* p, const ge_cached* q) { - fe t0; -#include "ge_add.h" -} diff --git a/src/crypto/crypto_ops_builder/ref10/ge_add.h b/src/crypto/crypto_ops_builder/ref10/ge_add.h deleted file mode 100644 index b644c41..0000000 --- a/src/crypto/crypto_ops_builder/ref10/ge_add.h +++ /dev/null @@ -1,97 +0,0 @@ - -/* qhasm: enter ge_add */ - -/* qhasm: fe X1 */ - -/* qhasm: fe Y1 */ - -/* qhasm: fe Z1 */ - -/* qhasm: fe Z2 */ - -/* qhasm: fe T1 */ - -/* qhasm: fe ZZ */ - -/* qhasm: fe YpX2 */ - -/* qhasm: fe YmX2 */ - -/* qhasm: fe T2d2 */ - -/* qhasm: fe X3 */ - -/* qhasm: fe Y3 */ - -/* qhasm: fe Z3 */ - -/* qhasm: fe T3 */ - -/* qhasm: fe YpX1 */ - -/* qhasm: fe YmX1 */ - -/* qhasm: fe A */ - -/* qhasm: fe B */ - -/* qhasm: fe C */ - -/* qhasm: fe D */ - -/* qhasm: YpX1 = Y1+X1 */ -/* asm 1: fe_add(>YpX1=fe#1,YpX1=r->X,Y,X); */ -fe_add(r->X, p->Y, p->X); - -/* qhasm: YmX1 = Y1-X1 */ -/* asm 1: fe_sub(>YmX1=fe#2,YmX1=r->Y,Y,X); */ -fe_sub(r->Y, p->Y, p->X); - -/* qhasm: A = YpX1*YpX2 */ -/* asm 1: fe_mul(>A=fe#3,A=r->Z,X,YplusX); */ -fe_mul(r->Z, r->X, q->YplusX); - -/* qhasm: B = YmX1*YmX2 */ -/* asm 1: fe_mul(>B=fe#2,B=r->Y,Y,YminusX); */ -fe_mul(r->Y, r->Y, q->YminusX); - -/* qhasm: C = T2d2*T1 */ -/* asm 1: fe_mul(>C=fe#4,C=r->T,T2d,T); */ -fe_mul(r->T, q->T2d, p->T); - -/* qhasm: ZZ = Z1*Z2 */ -/* asm 1: fe_mul(>ZZ=fe#1,ZZ=r->X,Z,Z); */ -fe_mul(r->X, p->Z, q->Z); - -/* qhasm: D = 2*ZZ */ -/* asm 1: fe_add(>D=fe#5,D=t0,X,X); */ -fe_add(t0, r->X, r->X); - -/* qhasm: X3 = A-B */ -/* asm 1: fe_sub(>X3=fe#1,X3=r->X,Z,Y); */ -fe_sub(r->X, r->Z, r->Y); - -/* qhasm: Y3 = A+B */ -/* asm 1: fe_add(>Y3=fe#2,Y3=r->Y,Z,Y); */ -fe_add(r->Y, r->Z, r->Y); - -/* qhasm: Z3 = D+C */ -/* asm 1: fe_add(>Z3=fe#3,Z3=r->Z,T); */ -fe_add(r->Z, t0, r->T); - -/* qhasm: T3 = D-C */ -/* asm 1: fe_sub(>T3=fe#4,T3=r->T,T); */ -fe_sub(r->T, t0, r->T); - -/* qhasm: return */ diff --git a/src/crypto/crypto_ops_builder/ref10/ge_add.q b/src/crypto/crypto_ops_builder/ref10/ge_add.q deleted file mode 100644 index a6572ab..0000000 --- a/src/crypto/crypto_ops_builder/ref10/ge_add.q +++ /dev/null @@ -1,49 +0,0 @@ -:name:fe:r->X:r->Y:r->Z:r->T:t0:t1:t2:t3:t4:t5:p->X:p->Y:p->Z:p->T:q->YplusX:q->YminusX:q->Z:q->T2d: -fe r:var/r=fe: - -enter f:enter/f:>X1=fe#11:>Y1=fe#12:>Z1=fe#13:>T1=fe#14:>YpX2=fe#15:>YmX2=fe#16:>Z2=fe#17:>T2d2=fe#18: -return:nofallthrough:h=fe:asm/fe_add(>h,h=fe:asm/fe_sub(>h,h=fe:asm/fe_mul(>h,h=fe:asm/fe_sq(>h,h=fe:asm/fe_add(>h,> 3] >> (i & 7)); - - for (i = 0; i < 256; ++i) - if (r[i]) { - for (b = 1; b <= 6 && i + b < 256; ++b) { - if (r[i + b]) { - if (r[i] + (r[i + b] << b) <= 15) { - r[i] += r[i + b] << b; - r[i + b] = 0; - } else if (r[i] - (r[i + b] << b) >= -15) { - r[i] -= r[i + b] << b; - for (k = i + b; k < 256; ++k) { - if (!r[k]) { - r[k] = 1; - break; - } - r[k] = 0; - } - } else - break; - } - } - } -} - -static ge_precomp Bi[8] = { -#include "base2.h" -}; - -/* -r = a * A + b * B -where a = a[0]+256*a[1]+...+256^31 a[31]. -and b = b[0]+256*b[1]+...+256^31 b[31]. -B is the Ed25519 base point (x,4/5) with x positive. -*/ - -void ge_double_scalarmult_vartime( - ge_p2* r, const unsigned char* a, const ge_p3* A, const unsigned char* b) { - signed char aslide[256]; - signed char bslide[256]; - ge_cached Ai[8]; /* A,3A,5A,7A,9A,11A,13A,15A */ - ge_p1p1 t; - ge_p3 u; - ge_p3 A2; - int i; - - slide(aslide, a); - slide(bslide, b); - - ge_p3_to_cached(&Ai[0], A); - ge_p3_dbl(&t, A); - ge_p1p1_to_p3(&A2, &t); - ge_add(&t, &A2, &Ai[0]); - ge_p1p1_to_p3(&u, &t); - ge_p3_to_cached(&Ai[1], &u); - ge_add(&t, &A2, &Ai[1]); - ge_p1p1_to_p3(&u, &t); - ge_p3_to_cached(&Ai[2], &u); - ge_add(&t, &A2, &Ai[2]); - ge_p1p1_to_p3(&u, &t); - ge_p3_to_cached(&Ai[3], &u); - ge_add(&t, &A2, &Ai[3]); - ge_p1p1_to_p3(&u, &t); - ge_p3_to_cached(&Ai[4], &u); - ge_add(&t, &A2, &Ai[4]); - ge_p1p1_to_p3(&u, &t); - ge_p3_to_cached(&Ai[5], &u); - ge_add(&t, &A2, &Ai[5]); - ge_p1p1_to_p3(&u, &t); - ge_p3_to_cached(&Ai[6], &u); - ge_add(&t, &A2, &Ai[6]); - ge_p1p1_to_p3(&u, &t); - ge_p3_to_cached(&Ai[7], &u); - - ge_p2_0(r); - - for (i = 255; i >= 0; --i) { - if (aslide[i] || bslide[i]) - break; - } - - for (; i >= 0; --i) { - ge_p2_dbl(&t, r); - - if (aslide[i] > 0) { - ge_p1p1_to_p3(&u, &t); - ge_add(&t, &u, &Ai[aslide[i] / 2]); - } else if (aslide[i] < 0) { - ge_p1p1_to_p3(&u, &t); - ge_sub(&t, &u, &Ai[(-aslide[i]) / 2]); - } - - if (bslide[i] > 0) { - ge_p1p1_to_p3(&u, &t); - ge_madd(&t, &u, &Bi[bslide[i] / 2]); - } else if (bslide[i] < 0) { - ge_p1p1_to_p3(&u, &t); - ge_msub(&t, &u, &Bi[(-bslide[i]) / 2]); - } - - ge_p1p1_to_p2(r, &t); - } -} diff --git a/src/crypto/crypto_ops_builder/ref10/ge_frombytes.c b/src/crypto/crypto_ops_builder/ref10/ge_frombytes.c deleted file mode 100644 index 64266d4..0000000 --- a/src/crypto/crypto_ops_builder/ref10/ge_frombytes.c +++ /dev/null @@ -1,50 +0,0 @@ -#include "ge.h" - -static const fe d = { -#include "d.h" -}; - -static const fe sqrtm1 = { -#include "sqrtm1.h" -}; - -int ge_frombytes_negate_vartime(ge_p3* h, const unsigned char* s) { - fe u; - fe v; - fe v3; - fe vxx; - fe check; - - fe_frombytes(h->Y, s); - fe_1(h->Z); - fe_sq(u, h->Y); - fe_mul(v, u, d); - fe_sub(u, u, h->Z); /* u = y^2-1 */ - fe_add(v, v, h->Z); /* v = dy^2+1 */ - - fe_sq(v3, v); - fe_mul(v3, v3, v); /* v3 = v^3 */ - fe_sq(h->X, v3); - fe_mul(h->X, h->X, v); - fe_mul(h->X, h->X, u); /* x = uv^7 */ - - fe_pow22523(h->X, h->X); /* x = (uv^7)^((q-5)/8) */ - fe_mul(h->X, h->X, v3); - fe_mul(h->X, h->X, u); /* x = uv^3(uv^7)^((q-5)/8) */ - - fe_sq(vxx, h->X); - fe_mul(vxx, vxx, v); - fe_sub(check, vxx, u); /* vx^2-u */ - if (fe_isnonzero(check)) { - fe_add(check, vxx, u); /* vx^2+u */ - if (fe_isnonzero(check)) - return -1; - fe_mul(h->X, h->X, sqrtm1); - } - - if (fe_isnegative(h->X) == (s[31] >> 7)) - fe_neg(h->X, h->X); - - fe_mul(h->T, h->X, h->Y); - return 0; -} diff --git a/src/crypto/crypto_ops_builder/ref10/ge_madd.c b/src/crypto/crypto_ops_builder/ref10/ge_madd.c deleted file mode 100644 index 4853a7b..0000000 --- a/src/crypto/crypto_ops_builder/ref10/ge_madd.c +++ /dev/null @@ -1,10 +0,0 @@ -#include "ge.h" - -/* -r = p + q -*/ - -void ge_madd(ge_p1p1* r, const ge_p3* p, const ge_precomp* q) { - fe t0; -#include "ge_madd.h" -} diff --git a/src/crypto/crypto_ops_builder/ref10/ge_madd.h b/src/crypto/crypto_ops_builder/ref10/ge_madd.h deleted file mode 100644 index cb8650f..0000000 --- a/src/crypto/crypto_ops_builder/ref10/ge_madd.h +++ /dev/null @@ -1,88 +0,0 @@ - -/* qhasm: enter ge_madd */ - -/* qhasm: fe X1 */ - -/* qhasm: fe Y1 */ - -/* qhasm: fe Z1 */ - -/* qhasm: fe T1 */ - -/* qhasm: fe ypx2 */ - -/* qhasm: fe ymx2 */ - -/* qhasm: fe xy2d2 */ - -/* qhasm: fe X3 */ - -/* qhasm: fe Y3 */ - -/* qhasm: fe Z3 */ - -/* qhasm: fe T3 */ - -/* qhasm: fe YpX1 */ - -/* qhasm: fe YmX1 */ - -/* qhasm: fe A */ - -/* qhasm: fe B */ - -/* qhasm: fe C */ - -/* qhasm: fe D */ - -/* qhasm: YpX1 = Y1+X1 */ -/* asm 1: fe_add(>YpX1=fe#1,YpX1=r->X,Y,X); */ -fe_add(r->X, p->Y, p->X); - -/* qhasm: YmX1 = Y1-X1 */ -/* asm 1: fe_sub(>YmX1=fe#2,YmX1=r->Y,Y,X); */ -fe_sub(r->Y, p->Y, p->X); - -/* qhasm: A = YpX1*ypx2 */ -/* asm 1: fe_mul(>A=fe#3,A=r->Z,X,yplusx); */ -fe_mul(r->Z, r->X, q->yplusx); - -/* qhasm: B = YmX1*ymx2 */ -/* asm 1: fe_mul(>B=fe#2,B=r->Y,Y,yminusx); */ -fe_mul(r->Y, r->Y, q->yminusx); - -/* qhasm: C = xy2d2*T1 */ -/* asm 1: fe_mul(>C=fe#4,C=r->T,xy2d,T); */ -fe_mul(r->T, q->xy2d, p->T); - -/* qhasm: D = 2*Z1 */ -/* asm 1: fe_add(>D=fe#5,D=t0,Z,Z); */ -fe_add(t0, p->Z, p->Z); - -/* qhasm: X3 = A-B */ -/* asm 1: fe_sub(>X3=fe#1,X3=r->X,Z,Y); */ -fe_sub(r->X, r->Z, r->Y); - -/* qhasm: Y3 = A+B */ -/* asm 1: fe_add(>Y3=fe#2,Y3=r->Y,Z,Y); */ -fe_add(r->Y, r->Z, r->Y); - -/* qhasm: Z3 = D+C */ -/* asm 1: fe_add(>Z3=fe#3,Z3=r->Z,T); */ -fe_add(r->Z, t0, r->T); - -/* qhasm: T3 = D-C */ -/* asm 1: fe_sub(>T3=fe#4,T3=r->T,T); */ -fe_sub(r->T, t0, r->T); - -/* qhasm: return */ diff --git a/src/crypto/crypto_ops_builder/ref10/ge_madd.q b/src/crypto/crypto_ops_builder/ref10/ge_madd.q deleted file mode 100644 index aa3db45..0000000 --- a/src/crypto/crypto_ops_builder/ref10/ge_madd.q +++ /dev/null @@ -1,46 +0,0 @@ -:name:fe:r->X:r->Y:r->Z:r->T:t0:t1:t2:t3:t4:t5:p->X:p->Y:p->Z:p->T:q->yplusx:q->yminusx:q->xy2d: -fe r:var/r=fe: - -enter f:enter/f:>X1=fe#11:>Y1=fe#12:>Z1=fe#13:>T1=fe#14:>ypx2=fe#15:>ymx2=fe#16:>xy2d2=fe#17: -return:nofallthrough:h=fe:asm/fe_add(>h,h=fe:asm/fe_sub(>h,h=fe:asm/fe_mul(>h,h=fe:asm/fe_sq(>h,h=fe:asm/fe_add(>h,YpX1=fe#1,YpX1=r->X,Y,X); */ -fe_add(r->X, p->Y, p->X); - -/* qhasm: YmX1 = Y1-X1 */ -/* asm 1: fe_sub(>YmX1=fe#2,YmX1=r->Y,Y,X); */ -fe_sub(r->Y, p->Y, p->X); - -/* qhasm: A = YpX1*ymx2 */ -/* asm 1: fe_mul(>A=fe#3,A=r->Z,X,yminusx); */ -fe_mul(r->Z, r->X, q->yminusx); - -/* qhasm: B = YmX1*ypx2 */ -/* asm 1: fe_mul(>B=fe#2,B=r->Y,Y,yplusx); */ -fe_mul(r->Y, r->Y, q->yplusx); - -/* qhasm: C = xy2d2*T1 */ -/* asm 1: fe_mul(>C=fe#4,C=r->T,xy2d,T); */ -fe_mul(r->T, q->xy2d, p->T); - -/* qhasm: D = 2*Z1 */ -/* asm 1: fe_add(>D=fe#5,D=t0,Z,Z); */ -fe_add(t0, p->Z, p->Z); - -/* qhasm: X3 = A-B */ -/* asm 1: fe_sub(>X3=fe#1,X3=r->X,Z,Y); */ -fe_sub(r->X, r->Z, r->Y); - -/* qhasm: Y3 = A+B */ -/* asm 1: fe_add(>Y3=fe#2,Y3=r->Y,Z,Y); */ -fe_add(r->Y, r->Z, r->Y); - -/* qhasm: Z3 = D-C */ -/* asm 1: fe_sub(>Z3=fe#3,Z3=r->Z,T); */ -fe_sub(r->Z, t0, r->T); - -/* qhasm: T3 = D+C */ -/* asm 1: fe_add(>T3=fe#4,T3=r->T,T); */ -fe_add(r->T, t0, r->T); - -/* qhasm: return */ diff --git a/src/crypto/crypto_ops_builder/ref10/ge_msub.q b/src/crypto/crypto_ops_builder/ref10/ge_msub.q deleted file mode 100644 index e3cadd8..0000000 --- a/src/crypto/crypto_ops_builder/ref10/ge_msub.q +++ /dev/null @@ -1,46 +0,0 @@ -:name:fe:r->X:r->Y:r->Z:r->T:t0:t1:t2:t3:t4:t5:p->X:p->Y:p->Z:p->T:q->yplusx:q->yminusx:q->xy2d: -fe r:var/r=fe: - -enter f:enter/f:>X1=fe#11:>Y1=fe#12:>Z1=fe#13:>T1=fe#14:>ypx2=fe#15:>ymx2=fe#16:>xy2d2=fe#17: -return:nofallthrough:h=fe:asm/fe_add(>h,h=fe:asm/fe_sub(>h,h=fe:asm/fe_mul(>h,h=fe:asm/fe_sq(>h,h=fe:asm/fe_add(>h,X, p->X, p->T); - fe_mul(r->Y, p->Y, p->Z); - fe_mul(r->Z, p->Z, p->T); -} diff --git a/src/crypto/crypto_ops_builder/ref10/ge_p1p1_to_p3.c b/src/crypto/crypto_ops_builder/ref10/ge_p1p1_to_p3.c deleted file mode 100644 index d5e051e..0000000 --- a/src/crypto/crypto_ops_builder/ref10/ge_p1p1_to_p3.c +++ /dev/null @@ -1,12 +0,0 @@ -#include "ge.h" - -/* -r = p -*/ - -extern void ge_p1p1_to_p3(ge_p3* r, const ge_p1p1* p) { - fe_mul(r->X, p->X, p->T); - fe_mul(r->Y, p->Y, p->Z); - fe_mul(r->Z, p->Z, p->T); - fe_mul(r->T, p->X, p->Y); -} diff --git a/src/crypto/crypto_ops_builder/ref10/ge_p2_0.c b/src/crypto/crypto_ops_builder/ref10/ge_p2_0.c deleted file mode 100644 index baa7698..0000000 --- a/src/crypto/crypto_ops_builder/ref10/ge_p2_0.c +++ /dev/null @@ -1,7 +0,0 @@ -#include "ge.h" - -void ge_p2_0(ge_p2* h) { - fe_0(h->X); - fe_1(h->Y); - fe_1(h->Z); -} diff --git a/src/crypto/crypto_ops_builder/ref10/ge_p2_dbl.c b/src/crypto/crypto_ops_builder/ref10/ge_p2_dbl.c deleted file mode 100644 index 0978726..0000000 --- a/src/crypto/crypto_ops_builder/ref10/ge_p2_dbl.c +++ /dev/null @@ -1,10 +0,0 @@ -#include "ge.h" - -/* -r = 2 * p -*/ - -void ge_p2_dbl(ge_p1p1* r, const ge_p2* p) { - fe t0; -#include "ge_p2_dbl.h" -} diff --git a/src/crypto/crypto_ops_builder/ref10/ge_p2_dbl.h b/src/crypto/crypto_ops_builder/ref10/ge_p2_dbl.h deleted file mode 100644 index a878da5..0000000 --- a/src/crypto/crypto_ops_builder/ref10/ge_p2_dbl.h +++ /dev/null @@ -1,73 +0,0 @@ - -/* qhasm: enter ge_p2_dbl */ - -/* qhasm: fe X1 */ - -/* qhasm: fe Y1 */ - -/* qhasm: fe Z1 */ - -/* qhasm: fe A */ - -/* qhasm: fe AA */ - -/* qhasm: fe XX */ - -/* qhasm: fe YY */ - -/* qhasm: fe B */ - -/* qhasm: fe X3 */ - -/* qhasm: fe Y3 */ - -/* qhasm: fe Z3 */ - -/* qhasm: fe T3 */ - -/* qhasm: XX=X1^2 */ -/* asm 1: fe_sq(>XX=fe#1,XX=r->X,X); */ -fe_sq(r->X, p->X); - -/* qhasm: YY=Y1^2 */ -/* asm 1: fe_sq(>YY=fe#3,YY=r->Z,Y); */ -fe_sq(r->Z, p->Y); - -/* qhasm: B=2*Z1^2 */ -/* asm 1: fe_sq2(>B=fe#4,B=r->T,Z); */ -fe_sq2(r->T, p->Z); - -/* qhasm: A=X1+Y1 */ -/* asm 1: fe_add(>A=fe#2,A=r->Y,X,Y); */ -fe_add(r->Y, p->X, p->Y); - -/* qhasm: AA=A^2 */ -/* asm 1: fe_sq(>AA=fe#5,AA=t0,Y); */ -fe_sq(t0, r->Y); - -/* qhasm: Y3=YY+XX */ -/* asm 1: fe_add(>Y3=fe#2,Y3=r->Y,Z,X); */ -fe_add(r->Y, r->Z, r->X); - -/* qhasm: Z3=YY-XX */ -/* asm 1: fe_sub(>Z3=fe#3,Z3=r->Z,Z,X); */ -fe_sub(r->Z, r->Z, r->X); - -/* qhasm: X3=AA-Y3 */ -/* asm 1: fe_sub(>X3=fe#1,X3=r->X,Y); */ -fe_sub(r->X, t0, r->Y); - -/* qhasm: T3=B-Z3 */ -/* asm 1: fe_sub(>T3=fe#4,T3=r->T,T,Z); */ -fe_sub(r->T, r->T, r->Z); - -/* qhasm: return */ diff --git a/src/crypto/crypto_ops_builder/ref10/ge_p2_dbl.q b/src/crypto/crypto_ops_builder/ref10/ge_p2_dbl.q deleted file mode 100644 index 170d42f..0000000 --- a/src/crypto/crypto_ops_builder/ref10/ge_p2_dbl.q +++ /dev/null @@ -1,41 +0,0 @@ -:name:fe:r->X:r->Y:r->Z:r->T:t0:t1:t2:t3:t4:t5:p->X:p->Y:p->Z: -fe r:var/r=fe: - -enter f:enter/f:>X1=fe#11:>Y1=fe#12:>Z1=fe#13: -return:nofallthrough:h=fe:asm/fe_add(>h,h=fe:asm/fe_sub(>h,h=fe:asm/fe_mul(>h,h=fe:asm/fe_sq(>h,h=fe:asm/fe_sq2(>h,h=fe:asm/fe_add(>h,X); - fe_1(h->Y); - fe_1(h->Z); - fe_0(h->T); -} diff --git a/src/crypto/crypto_ops_builder/ref10/ge_p3_dbl.c b/src/crypto/crypto_ops_builder/ref10/ge_p3_dbl.c deleted file mode 100644 index 8926e8a..0000000 --- a/src/crypto/crypto_ops_builder/ref10/ge_p3_dbl.c +++ /dev/null @@ -1,11 +0,0 @@ -#include "ge.h" - -/* -r = 2 * p -*/ - -void ge_p3_dbl(ge_p1p1* r, const ge_p3* p) { - ge_p2 q; - ge_p3_to_p2(&q, p); - ge_p2_dbl(r, &q); -} diff --git a/src/crypto/crypto_ops_builder/ref10/ge_p3_to_cached.c b/src/crypto/crypto_ops_builder/ref10/ge_p3_to_cached.c deleted file mode 100644 index 54908de..0000000 --- a/src/crypto/crypto_ops_builder/ref10/ge_p3_to_cached.c +++ /dev/null @@ -1,16 +0,0 @@ -#include "ge.h" - -/* -r = p -*/ - -static const fe d2 = { -#include "d2.h" -}; - -extern void ge_p3_to_cached(ge_cached* r, const ge_p3* p) { - fe_add(r->YplusX, p->Y, p->X); - fe_sub(r->YminusX, p->Y, p->X); - fe_copy(r->Z, p->Z); - fe_mul(r->T2d, p->T, d2); -} diff --git a/src/crypto/crypto_ops_builder/ref10/ge_p3_to_p2.c b/src/crypto/crypto_ops_builder/ref10/ge_p3_to_p2.c deleted file mode 100644 index a2803e0..0000000 --- a/src/crypto/crypto_ops_builder/ref10/ge_p3_to_p2.c +++ /dev/null @@ -1,11 +0,0 @@ -#include "ge.h" - -/* -r = p -*/ - -extern void ge_p3_to_p2(ge_p2* r, const ge_p3* p) { - fe_copy(r->X, p->X); - fe_copy(r->Y, p->Y); - fe_copy(r->Z, p->Z); -} diff --git a/src/crypto/crypto_ops_builder/ref10/ge_p3_tobytes.c b/src/crypto/crypto_ops_builder/ref10/ge_p3_tobytes.c deleted file mode 100644 index 156e676..0000000 --- a/src/crypto/crypto_ops_builder/ref10/ge_p3_tobytes.c +++ /dev/null @@ -1,13 +0,0 @@ -#include "ge.h" - -void ge_p3_tobytes(unsigned char* s, const ge_p3* h) { - fe recip; - fe x; - fe y; - - fe_invert(recip, h->Z); - fe_mul(x, h->X, recip); - fe_mul(y, h->Y, recip); - fe_tobytes(s, y); - s[31] ^= fe_isnegative(x) << 7; -} diff --git a/src/crypto/crypto_ops_builder/ref10/ge_precomp_0.c b/src/crypto/crypto_ops_builder/ref10/ge_precomp_0.c deleted file mode 100644 index d25b311..0000000 --- a/src/crypto/crypto_ops_builder/ref10/ge_precomp_0.c +++ /dev/null @@ -1,7 +0,0 @@ -#include "ge.h" - -void ge_precomp_0(ge_precomp* h) { - fe_1(h->yplusx); - fe_1(h->yminusx); - fe_0(h->xy2d); -} diff --git a/src/crypto/crypto_ops_builder/ref10/ge_scalarmult_base.c b/src/crypto/crypto_ops_builder/ref10/ge_scalarmult_base.c deleted file mode 100644 index 51d4d54..0000000 --- a/src/crypto/crypto_ops_builder/ref10/ge_scalarmult_base.c +++ /dev/null @@ -1,106 +0,0 @@ -#include "crypto_uint32.h" -#include "ge.h" - -static unsigned char equal(signed char b, signed char c) { - unsigned char ub = b; - unsigned char uc = c; - unsigned char x = ub ^ uc; /* 0: yes; 1..255: no */ - crypto_uint32 y = x; /* 0: yes; 1..255: no */ - y -= 1; /* 4294967295: yes; 0..254: no */ - y >>= 31; /* 1: yes; 0: no */ - return y; -} - -static unsigned char negative(signed char b) { - unsigned long long x = b; /* 18446744073709551361..18446744073709551615: yes; 0..255: no */ - x >>= 63; /* 1: yes; 0: no */ - return x; -} - -static void cmov(ge_precomp* t, ge_precomp* u, unsigned char b) { - fe_cmov(t->yplusx, u->yplusx, b); - fe_cmov(t->yminusx, u->yminusx, b); - fe_cmov(t->xy2d, u->xy2d, b); -} - -/* base[i][j] = (j+1)*256^i*B */ -static ge_precomp base[32][8] = { -#include "base.h" -}; - -static void select(ge_precomp* t, int pos, signed char b) { - ge_precomp minust; - unsigned char bnegative = negative(b); - unsigned char babs = b - (((-bnegative) & b) << 1); - - ge_precomp_0(t); - cmov(t, &base[pos][0], equal(babs, 1)); - cmov(t, &base[pos][1], equal(babs, 2)); - cmov(t, &base[pos][2], equal(babs, 3)); - cmov(t, &base[pos][3], equal(babs, 4)); - cmov(t, &base[pos][4], equal(babs, 5)); - cmov(t, &base[pos][5], equal(babs, 6)); - cmov(t, &base[pos][6], equal(babs, 7)); - cmov(t, &base[pos][7], equal(babs, 8)); - fe_copy(minust.yplusx, t->yminusx); - fe_copy(minust.yminusx, t->yplusx); - fe_neg(minust.xy2d, t->xy2d); - cmov(t, &minust, bnegative); -} - -/* -h = a * B -where a = a[0]+256*a[1]+...+256^31 a[31] -B is the Ed25519 base point (x,4/5) with x positive. - -Preconditions: - a[31] <= 127 -*/ - -void ge_scalarmult_base(ge_p3* h, const unsigned char* a) { - signed char e[64]; - signed char carry; - ge_p1p1 r; - ge_p2 s; - ge_precomp t; - int i; - - for (i = 0; i < 32; ++i) { - e[2 * i + 0] = (a[i] >> 0) & 15; - e[2 * i + 1] = (a[i] >> 4) & 15; - } - /* each e[i] is between 0 and 15 */ - /* e[63] is between 0 and 7 */ - - carry = 0; - for (i = 0; i < 63; ++i) { - e[i] += carry; - carry = e[i] + 8; - carry >>= 4; - e[i] -= carry << 4; - } - e[63] += carry; - /* each e[i] is between -8 and 8 */ - - ge_p3_0(h); - for (i = 1; i < 64; i += 2) { - select(&t, i / 2, e[i]); - ge_madd(&r, h, &t); - ge_p1p1_to_p3(h, &r); - } - - ge_p3_dbl(&r, h); - ge_p1p1_to_p2(&s, &r); - ge_p2_dbl(&r, &s); - ge_p1p1_to_p2(&s, &r); - ge_p2_dbl(&r, &s); - ge_p1p1_to_p2(&s, &r); - ge_p2_dbl(&r, &s); - ge_p1p1_to_p3(h, &r); - - for (i = 0; i < 64; i += 2) { - select(&t, i / 2, e[i]); - ge_madd(&r, h, &t); - ge_p1p1_to_p3(h, &r); - } -} diff --git a/src/crypto/crypto_ops_builder/ref10/ge_sub.c b/src/crypto/crypto_ops_builder/ref10/ge_sub.c deleted file mode 100644 index 958cd0d..0000000 --- a/src/crypto/crypto_ops_builder/ref10/ge_sub.c +++ /dev/null @@ -1,10 +0,0 @@ -#include "ge.h" - -/* -r = p - q -*/ - -void ge_sub(ge_p1p1* r, const ge_p3* p, const ge_cached* q) { - fe t0; -#include "ge_sub.h" -} diff --git a/src/crypto/crypto_ops_builder/ref10/ge_sub.h b/src/crypto/crypto_ops_builder/ref10/ge_sub.h deleted file mode 100644 index 52e717a..0000000 --- a/src/crypto/crypto_ops_builder/ref10/ge_sub.h +++ /dev/null @@ -1,97 +0,0 @@ - -/* qhasm: enter ge_sub */ - -/* qhasm: fe X1 */ - -/* qhasm: fe Y1 */ - -/* qhasm: fe Z1 */ - -/* qhasm: fe Z2 */ - -/* qhasm: fe T1 */ - -/* qhasm: fe ZZ */ - -/* qhasm: fe YpX2 */ - -/* qhasm: fe YmX2 */ - -/* qhasm: fe T2d2 */ - -/* qhasm: fe X3 */ - -/* qhasm: fe Y3 */ - -/* qhasm: fe Z3 */ - -/* qhasm: fe T3 */ - -/* qhasm: fe YpX1 */ - -/* qhasm: fe YmX1 */ - -/* qhasm: fe A */ - -/* qhasm: fe B */ - -/* qhasm: fe C */ - -/* qhasm: fe D */ - -/* qhasm: YpX1 = Y1+X1 */ -/* asm 1: fe_add(>YpX1=fe#1,YpX1=r->X,Y,X); */ -fe_add(r->X, p->Y, p->X); - -/* qhasm: YmX1 = Y1-X1 */ -/* asm 1: fe_sub(>YmX1=fe#2,YmX1=r->Y,Y,X); */ -fe_sub(r->Y, p->Y, p->X); - -/* qhasm: A = YpX1*YmX2 */ -/* asm 1: fe_mul(>A=fe#3,A=r->Z,X,YminusX); */ -fe_mul(r->Z, r->X, q->YminusX); - -/* qhasm: B = YmX1*YpX2 */ -/* asm 1: fe_mul(>B=fe#2,B=r->Y,Y,YplusX); */ -fe_mul(r->Y, r->Y, q->YplusX); - -/* qhasm: C = T2d2*T1 */ -/* asm 1: fe_mul(>C=fe#4,C=r->T,T2d,T); */ -fe_mul(r->T, q->T2d, p->T); - -/* qhasm: ZZ = Z1*Z2 */ -/* asm 1: fe_mul(>ZZ=fe#1,ZZ=r->X,Z,Z); */ -fe_mul(r->X, p->Z, q->Z); - -/* qhasm: D = 2*ZZ */ -/* asm 1: fe_add(>D=fe#5,D=t0,X,X); */ -fe_add(t0, r->X, r->X); - -/* qhasm: X3 = A-B */ -/* asm 1: fe_sub(>X3=fe#1,X3=r->X,Z,Y); */ -fe_sub(r->X, r->Z, r->Y); - -/* qhasm: Y3 = A+B */ -/* asm 1: fe_add(>Y3=fe#2,Y3=r->Y,Z,Y); */ -fe_add(r->Y, r->Z, r->Y); - -/* qhasm: Z3 = D-C */ -/* asm 1: fe_sub(>Z3=fe#3,Z3=r->Z,T); */ -fe_sub(r->Z, t0, r->T); - -/* qhasm: T3 = D+C */ -/* asm 1: fe_add(>T3=fe#4,T3=r->T,T); */ -fe_add(r->T, t0, r->T); - -/* qhasm: return */ diff --git a/src/crypto/crypto_ops_builder/ref10/ge_sub.q b/src/crypto/crypto_ops_builder/ref10/ge_sub.q deleted file mode 100644 index 2779a4a..0000000 --- a/src/crypto/crypto_ops_builder/ref10/ge_sub.q +++ /dev/null @@ -1,49 +0,0 @@ -:name:fe:r->X:r->Y:r->Z:r->T:t0:t1:t2:t3:t4:t5:p->X:p->Y:p->Z:p->T:q->YplusX:q->YminusX:q->Z:q->T2d: -fe r:var/r=fe: - -enter f:enter/f:>X1=fe#11:>Y1=fe#12:>Z1=fe#13:>T1=fe#14:>YpX2=fe#15:>YmX2=fe#16:>Z2=fe#17:>T2d2=fe#18: -return:nofallthrough:h=fe:asm/fe_add(>h,h=fe:asm/fe_sub(>h,h=fe:asm/fe_mul(>h,h=fe:asm/fe_sq(>h,h=fe:asm/fe_add(>h,Z); - fe_mul(x, h->X, recip); - fe_mul(y, h->Y, recip); - fe_tobytes(s, y); - s[31] ^= fe_isnegative(x) << 7; -} diff --git a/src/crypto/crypto_ops_builder/ref10/keypair.c b/src/crypto/crypto_ops_builder/ref10/keypair.c deleted file mode 100644 index c47cf4f..0000000 --- a/src/crypto/crypto_ops_builder/ref10/keypair.c +++ /dev/null @@ -1,23 +0,0 @@ -#include - -#include "crypto_hash_sha512.h" -#include "crypto_sign.h" -#include "ge.h" -#include "randombytes.h" - -int crypto_sign_keypair(unsigned char* pk, unsigned char* sk) { - unsigned char az[64]; - ge_p3 A; - - randombytes(sk, 32); - crypto_hash_sha512(az, sk, 32); - az[0] &= 248; - az[31] &= 63; - az[31] |= 64; - - ge_scalarmult_base(&A, az); - ge_p3_tobytes(pk, &A); - - memmove(sk + 32, pk, 32); - return 0; -} diff --git a/src/crypto/crypto_ops_builder/ref10/open.c b/src/crypto/crypto_ops_builder/ref10/open.c deleted file mode 100644 index 988d1c0..0000000 --- a/src/crypto/crypto_ops_builder/ref10/open.c +++ /dev/null @@ -1,52 +0,0 @@ -#include - -#include "crypto_hash_sha512.h" -#include "crypto_sign.h" -#include "crypto_verify_32.h" -#include "ge.h" -#include "sc.h" - -int crypto_sign_open( - unsigned char* m, - unsigned long long* mlen, - const unsigned char* sm, - unsigned long long smlen, - const unsigned char* pk) { - unsigned char pkcopy[32]; - unsigned char rcopy[32]; - unsigned char scopy[32]; - unsigned char h[64]; - unsigned char rcheck[32]; - ge_p3 A; - ge_p2 R; - - if (smlen < 64) - goto badsig; - if (sm[63] & 224) - goto badsig; - if (ge_frombytes_negate_vartime(&A, pk) != 0) - goto badsig; - - memmove(pkcopy, pk, 32); - memmove(rcopy, sm, 32); - memmove(scopy, sm + 32, 32); - - memmove(m, sm, smlen); - memmove(m + 32, pkcopy, 32); - crypto_hash_sha512(h, m, smlen); - sc_reduce(h); - - ge_double_scalarmult_vartime(&R, h, &A, scopy); - ge_tobytes(rcheck, &R); - if (crypto_verify_32(rcheck, rcopy) == 0) { - memmove(m, m + 64, smlen - 64); - memset(m + smlen - 64, 0, 64); - *mlen = smlen - 64; - return 0; - } - -badsig: - *mlen = -1; - memset(m, 0, smlen); - return -1; -} diff --git a/src/crypto/crypto_ops_builder/ref10/pow22523.h b/src/crypto/crypto_ops_builder/ref10/pow22523.h deleted file mode 100644 index 26ab59f..0000000 --- a/src/crypto/crypto_ops_builder/ref10/pow22523.h +++ /dev/null @@ -1,193 +0,0 @@ - -/* qhasm: fe z1 */ - -/* qhasm: fe z2 */ - -/* qhasm: fe z8 */ - -/* qhasm: fe z9 */ - -/* qhasm: fe z11 */ - -/* qhasm: fe z22 */ - -/* qhasm: fe z_5_0 */ - -/* qhasm: fe z_10_5 */ - -/* qhasm: fe z_10_0 */ - -/* qhasm: fe z_20_10 */ - -/* qhasm: fe z_20_0 */ - -/* qhasm: fe z_40_20 */ - -/* qhasm: fe z_40_0 */ - -/* qhasm: fe z_50_10 */ - -/* qhasm: fe z_50_0 */ - -/* qhasm: fe z_100_50 */ - -/* qhasm: fe z_100_0 */ - -/* qhasm: fe z_200_100 */ - -/* qhasm: fe z_200_0 */ - -/* qhasm: fe z_250_50 */ - -/* qhasm: fe z_250_0 */ - -/* qhasm: fe z_252_2 */ - -/* qhasm: fe z_252_3 */ - -/* qhasm: enter pow22523 */ - -/* qhasm: z2 = z1^2^1 */ -/* asm 1: fe_sq(>z2=fe#1,z2=fe#1,>z2=fe#1); */ -/* asm 2: fe_sq(>z2=t0,z2=t0,>z2=t0); */ -fe_sq(t0, z); -for (i = 1; i < 1; ++i) - fe_sq(t0, t0); - -/* qhasm: z8 = z2^2^2 */ -/* asm 1: fe_sq(>z8=fe#2,z8=fe#2,>z8=fe#2); */ -/* asm 2: fe_sq(>z8=t1,z8=t1,>z8=t1); */ -fe_sq(t1, t0); -for (i = 1; i < 2; ++i) - fe_sq(t1, t1); - -/* qhasm: z9 = z1*z8 */ -/* asm 1: fe_mul(>z9=fe#2,z9=t1,z11=fe#1,z11=t0,z22=fe#1,z22=fe#1,>z22=fe#1); */ -/* asm 2: fe_sq(>z22=t0,z22=t0,>z22=t0); */ -fe_sq(t0, t0); -for (i = 1; i < 1; ++i) - fe_sq(t0, t0); - -/* qhasm: z_5_0 = z9*z22 */ -/* asm 1: fe_mul(>z_5_0=fe#1,z_5_0=t0,z_10_5=fe#2,z_10_5=fe#2,>z_10_5=fe#2); - */ -/* asm 2: fe_sq(>z_10_5=t1,z_10_5=t1,>z_10_5=t1); */ -fe_sq(t1, t0); -for (i = 1; i < 5; ++i) - fe_sq(t1, t1); - -/* qhasm: z_10_0 = z_10_5*z_5_0 */ -/* asm 1: fe_mul(>z_10_0=fe#1,z_10_0=t0,z_20_10=fe#2,z_20_10=fe#2,>z_20_10=fe#2); */ -/* asm 2: fe_sq(>z_20_10=t1,z_20_10=t1,>z_20_10=t1); */ -fe_sq(t1, t0); -for (i = 1; i < 10; ++i) - fe_sq(t1, t1); - -/* qhasm: z_20_0 = z_20_10*z_10_0 */ -/* asm 1: fe_mul(>z_20_0=fe#2,z_20_0=t1,z_40_20=fe#3,z_40_20=fe#3,>z_40_20=fe#3); */ -/* asm 2: fe_sq(>z_40_20=t2,z_40_20=t2,>z_40_20=t2); */ -fe_sq(t2, t1); -for (i = 1; i < 20; ++i) - fe_sq(t2, t2); - -/* qhasm: z_40_0 = z_40_20*z_20_0 */ -/* asm 1: fe_mul(>z_40_0=fe#2,z_40_0=t1,z_50_10=fe#2,z_50_10=fe#2,>z_50_10=fe#2); */ -/* asm 2: fe_sq(>z_50_10=t1,z_50_10=t1,>z_50_10=t1); */ -fe_sq(t1, t1); -for (i = 1; i < 10; ++i) - fe_sq(t1, t1); - -/* qhasm: z_50_0 = z_50_10*z_10_0 */ -/* asm 1: fe_mul(>z_50_0=fe#1,z_50_0=t0,z_100_50=fe#2,z_100_50=fe#2,>z_100_50=fe#2); */ -/* asm 2: fe_sq(>z_100_50=t1,z_100_50=t1,>z_100_50=t1); - */ -fe_sq(t1, t0); -for (i = 1; i < 50; ++i) - fe_sq(t1, t1); - -/* qhasm: z_100_0 = z_100_50*z_50_0 */ -/* asm 1: fe_mul(>z_100_0=fe#2,z_100_0=t1,z_200_100=fe#3,z_200_100=fe#3,>z_200_100=fe#3); */ -/* asm 2: fe_sq(>z_200_100=t2,z_200_100=t2,>z_200_100=t2); */ -fe_sq(t2, t1); -for (i = 1; i < 100; ++i) - fe_sq(t2, t2); - -/* qhasm: z_200_0 = z_200_100*z_100_0 */ -/* asm 1: fe_mul(>z_200_0=fe#2,z_200_0=t1,z_250_50=fe#2,z_250_50=fe#2,>z_250_50=fe#2); */ -/* asm 2: fe_sq(>z_250_50=t1,z_250_50=t1,>z_250_50=t1); - */ -fe_sq(t1, t1); -for (i = 1; i < 50; ++i) - fe_sq(t1, t1); - -/* qhasm: z_250_0 = z_250_50*z_50_0 */ -/* asm 1: fe_mul(>z_250_0=fe#1,z_250_0=t0,z_252_2=fe#1,z_252_2=fe#1,>z_252_2=fe#1); */ -/* asm 2: fe_sq(>z_252_2=t0,z_252_2=t0,>z_252_2=t0); */ -fe_sq(t0, t0); -for (i = 1; i < 2; ++i) - fe_sq(t0, t0); - -/* qhasm: z_252_3 = z_252_2*z1 */ -/* asm 1: fe_mul(>z_252_3=fe#12,z_252_3=out,z1=fe#11: -return:nofallthrough:h=fe:asm/fe_mul(>h,h=fe:#k:asm/fe_sq(>h,h,>h);: - -: - -fe z1 -fe z2 -fe z8 -fe z9 -fe z11 -fe z22 -fe z_5_0 -fe z_10_5 -fe z_10_0 -fe z_20_10 -fe z_20_0 -fe z_40_20 -fe z_40_0 -fe z_50_10 -fe z_50_0 -fe z_100_50 -fe z_100_0 -fe z_200_100 -fe z_200_0 -fe z_250_50 -fe z_250_0 -fe z_252_2 -fe z_252_3 - -enter pow22523 - -z2 = z1^2^1 -z8 = z2^2^2 -z9 = z1*z8 -z11 = z2*z9 -z22 = z11^2^1 -z_5_0 = z9*z22 -z_10_5 = z_5_0^2^5 -z_10_0 = z_10_5*z_5_0 -z_20_10 = z_10_0^2^10 -z_20_0 = z_20_10*z_10_0 -z_40_20 = z_20_0^2^20 -z_40_0 = z_40_20*z_20_0 -z_50_10 = z_40_0^2^10 -z_50_0 = z_50_10*z_10_0 -z_100_50 = z_50_0^2^50 -z_100_0 = z_100_50*z_50_0 -z_200_100 = z_100_0^2^100 -z_200_0 = z_200_100*z_100_0 -z_250_50 = z_200_0^2^50 -z_250_0 = z_250_50*z_50_0 -z_252_2 = z_250_0^2^2 -z_252_3 = z_252_2*z1 - -return diff --git a/src/crypto/crypto_ops_builder/ref10/pow225521.h b/src/crypto/crypto_ops_builder/ref10/pow225521.h deleted file mode 100644 index cbbd98d..0000000 --- a/src/crypto/crypto_ops_builder/ref10/pow225521.h +++ /dev/null @@ -1,193 +0,0 @@ - -/* qhasm: fe z1 */ - -/* qhasm: fe z2 */ - -/* qhasm: fe z8 */ - -/* qhasm: fe z9 */ - -/* qhasm: fe z11 */ - -/* qhasm: fe z22 */ - -/* qhasm: fe z_5_0 */ - -/* qhasm: fe z_10_5 */ - -/* qhasm: fe z_10_0 */ - -/* qhasm: fe z_20_10 */ - -/* qhasm: fe z_20_0 */ - -/* qhasm: fe z_40_20 */ - -/* qhasm: fe z_40_0 */ - -/* qhasm: fe z_50_10 */ - -/* qhasm: fe z_50_0 */ - -/* qhasm: fe z_100_50 */ - -/* qhasm: fe z_100_0 */ - -/* qhasm: fe z_200_100 */ - -/* qhasm: fe z_200_0 */ - -/* qhasm: fe z_250_50 */ - -/* qhasm: fe z_250_0 */ - -/* qhasm: fe z_255_5 */ - -/* qhasm: fe z_255_21 */ - -/* qhasm: enter pow225521 */ - -/* qhasm: z2 = z1^2^1 */ -/* asm 1: fe_sq(>z2=fe#1,z2=fe#1,>z2=fe#1); */ -/* asm 2: fe_sq(>z2=t0,z2=t0,>z2=t0); */ -fe_sq(t0, z); -for (i = 1; i < 1; ++i) - fe_sq(t0, t0); - -/* qhasm: z8 = z2^2^2 */ -/* asm 1: fe_sq(>z8=fe#2,z8=fe#2,>z8=fe#2); */ -/* asm 2: fe_sq(>z8=t1,z8=t1,>z8=t1); */ -fe_sq(t1, t0); -for (i = 1; i < 2; ++i) - fe_sq(t1, t1); - -/* qhasm: z9 = z1*z8 */ -/* asm 1: fe_mul(>z9=fe#2,z9=t1,z11=fe#1,z11=t0,z22=fe#3,z22=fe#3,>z22=fe#3); */ -/* asm 2: fe_sq(>z22=t2,z22=t2,>z22=t2); */ -fe_sq(t2, t0); -for (i = 1; i < 1; ++i) - fe_sq(t2, t2); - -/* qhasm: z_5_0 = z9*z22 */ -/* asm 1: fe_mul(>z_5_0=fe#2,z_5_0=t1,z_10_5=fe#3,z_10_5=fe#3,>z_10_5=fe#3); - */ -/* asm 2: fe_sq(>z_10_5=t2,z_10_5=t2,>z_10_5=t2); */ -fe_sq(t2, t1); -for (i = 1; i < 5; ++i) - fe_sq(t2, t2); - -/* qhasm: z_10_0 = z_10_5*z_5_0 */ -/* asm 1: fe_mul(>z_10_0=fe#2,z_10_0=t1,z_20_10=fe#3,z_20_10=fe#3,>z_20_10=fe#3); */ -/* asm 2: fe_sq(>z_20_10=t2,z_20_10=t2,>z_20_10=t2); */ -fe_sq(t2, t1); -for (i = 1; i < 10; ++i) - fe_sq(t2, t2); - -/* qhasm: z_20_0 = z_20_10*z_10_0 */ -/* asm 1: fe_mul(>z_20_0=fe#3,z_20_0=t2,z_40_20=fe#4,z_40_20=fe#4,>z_40_20=fe#4); */ -/* asm 2: fe_sq(>z_40_20=t3,z_40_20=t3,>z_40_20=t3); */ -fe_sq(t3, t2); -for (i = 1; i < 20; ++i) - fe_sq(t3, t3); - -/* qhasm: z_40_0 = z_40_20*z_20_0 */ -/* asm 1: fe_mul(>z_40_0=fe#3,z_40_0=t2,z_50_10=fe#3,z_50_10=fe#3,>z_50_10=fe#3); */ -/* asm 2: fe_sq(>z_50_10=t2,z_50_10=t2,>z_50_10=t2); */ -fe_sq(t2, t2); -for (i = 1; i < 10; ++i) - fe_sq(t2, t2); - -/* qhasm: z_50_0 = z_50_10*z_10_0 */ -/* asm 1: fe_mul(>z_50_0=fe#2,z_50_0=t1,z_100_50=fe#3,z_100_50=fe#3,>z_100_50=fe#3); */ -/* asm 2: fe_sq(>z_100_50=t2,z_100_50=t2,>z_100_50=t2); - */ -fe_sq(t2, t1); -for (i = 1; i < 50; ++i) - fe_sq(t2, t2); - -/* qhasm: z_100_0 = z_100_50*z_50_0 */ -/* asm 1: fe_mul(>z_100_0=fe#3,z_100_0=t2,z_200_100=fe#4,z_200_100=fe#4,>z_200_100=fe#4); */ -/* asm 2: fe_sq(>z_200_100=t3,z_200_100=t3,>z_200_100=t3); */ -fe_sq(t3, t2); -for (i = 1; i < 100; ++i) - fe_sq(t3, t3); - -/* qhasm: z_200_0 = z_200_100*z_100_0 */ -/* asm 1: fe_mul(>z_200_0=fe#3,z_200_0=t2,z_250_50=fe#3,z_250_50=fe#3,>z_250_50=fe#3); */ -/* asm 2: fe_sq(>z_250_50=t2,z_250_50=t2,>z_250_50=t2); - */ -fe_sq(t2, t2); -for (i = 1; i < 50; ++i) - fe_sq(t2, t2); - -/* qhasm: z_250_0 = z_250_50*z_50_0 */ -/* asm 1: fe_mul(>z_250_0=fe#2,z_250_0=t1,z_255_5=fe#2,z_255_5=fe#2,>z_255_5=fe#2); */ -/* asm 2: fe_sq(>z_255_5=t1,z_255_5=t1,>z_255_5=t1); */ -fe_sq(t1, t1); -for (i = 1; i < 5; ++i) - fe_sq(t1, t1); - -/* qhasm: z_255_21 = z_255_5*z11 */ -/* asm 1: fe_mul(>z_255_21=fe#12,z_255_21=out,z1=fe#11: -return:nofallthrough:h=fe:asm/fe_mul(>h,h=fe:#k:asm/fe_sq(>h,h,>h);: - -: - -fe z1 -fe z2 -fe z8 -fe z9 -fe z11 -fe z22 -fe z_5_0 -fe z_10_5 -fe z_10_0 -fe z_20_10 -fe z_20_0 -fe z_40_20 -fe z_40_0 -fe z_50_10 -fe z_50_0 -fe z_100_50 -fe z_100_0 -fe z_200_100 -fe z_200_0 -fe z_250_50 -fe z_250_0 -fe z_255_5 -fe z_255_21 - -enter pow225521 - -z2 = z1^2^1 -z8 = z2^2^2 -z9 = z1*z8 -z11 = z2*z9 -z22 = z11^2^1 -z_5_0 = z9*z22 -z_10_5 = z_5_0^2^5 -z_10_0 = z_10_5*z_5_0 -z_20_10 = z_10_0^2^10 -z_20_0 = z_20_10*z_10_0 -z_40_20 = z_20_0^2^20 -z_40_0 = z_40_20*z_20_0 -z_50_10 = z_40_0^2^10 -z_50_0 = z_50_10*z_10_0 -z_100_50 = z_50_0^2^50 -z_100_0 = z_100_50*z_50_0 -z_200_100 = z_100_0^2^100 -z_200_0 = z_200_100*z_100_0 -z_250_50 = z_200_0^2^50 -z_250_0 = z_250_50*z_50_0 -z_255_5 = z_250_0^2^5 -z_255_21 = z_255_5*z11 - -return diff --git a/src/crypto/crypto_ops_builder/ref10/q2h.sh b/src/crypto/crypto_ops_builder/ref10/q2h.sh deleted file mode 100644 index 47ec511..0000000 --- a/src/crypto/crypto_ops_builder/ref10/q2h.sh +++ /dev/null @@ -1,4 +0,0 @@ -#!/bin/sh -sed 's/^#.*//' \ -| qhasm-generic \ -| sed 's_//\(.*\)$_/*\1 */_' diff --git a/src/crypto/crypto_ops_builder/ref10/sc.h b/src/crypto/crypto_ops_builder/ref10/sc.h deleted file mode 100644 index fa1743b..0000000 --- a/src/crypto/crypto_ops_builder/ref10/sc.h +++ /dev/null @@ -1,16 +0,0 @@ -#ifndef SC_H -#define SC_H - -/* -The set of scalars is \Z/l -where l = 2^252 + 27742317777372353535851937790883648493. -*/ - -#define sc_reduce crypto_sign_ed25519_ref10_sc_reduce -#define sc_muladd crypto_sign_ed25519_ref10_sc_muladd - -extern void sc_reduce(unsigned char*); -extern void sc_muladd( - unsigned char*, const unsigned char*, const unsigned char*, const unsigned char*); - -#endif diff --git a/src/crypto/crypto_ops_builder/ref10/sc_muladd.c b/src/crypto/crypto_ops_builder/ref10/sc_muladd.c deleted file mode 100644 index 02d077b..0000000 --- a/src/crypto/crypto_ops_builder/ref10/sc_muladd.c +++ /dev/null @@ -1,511 +0,0 @@ -#include "crypto_int64.h" -#include "crypto_uint32.h" -#include "crypto_uint64.h" -#include "sc.h" - -static crypto_uint64 load_3(const unsigned char* in) { - crypto_uint64 result; - result = (crypto_uint64)in[0]; - result |= ((crypto_uint64)in[1]) << 8; - result |= ((crypto_uint64)in[2]) << 16; - return result; -} - -static crypto_uint64 load_4(const unsigned char* in) { - crypto_uint64 result; - result = (crypto_uint64)in[0]; - result |= ((crypto_uint64)in[1]) << 8; - result |= ((crypto_uint64)in[2]) << 16; - result |= ((crypto_uint64)in[3]) << 24; - return result; -} - -/* -Input: - a[0]+256*a[1]+...+256^31*a[31] = a - b[0]+256*b[1]+...+256^31*b[31] = b - c[0]+256*c[1]+...+256^31*c[31] = c - -Output: - s[0]+256*s[1]+...+256^31*s[31] = (ab+c) mod l - where l = 2^252 + 27742317777372353535851937790883648493. -*/ - -void sc_muladd( - unsigned char* s, const unsigned char* a, const unsigned char* b, const unsigned char* c) { - crypto_int64 a0 = 2097151 & load_3(a); - crypto_int64 a1 = 2097151 & (load_4(a + 2) >> 5); - crypto_int64 a2 = 2097151 & (load_3(a + 5) >> 2); - crypto_int64 a3 = 2097151 & (load_4(a + 7) >> 7); - crypto_int64 a4 = 2097151 & (load_4(a + 10) >> 4); - crypto_int64 a5 = 2097151 & (load_3(a + 13) >> 1); - crypto_int64 a6 = 2097151 & (load_4(a + 15) >> 6); - crypto_int64 a7 = 2097151 & (load_3(a + 18) >> 3); - crypto_int64 a8 = 2097151 & load_3(a + 21); - crypto_int64 a9 = 2097151 & (load_4(a + 23) >> 5); - crypto_int64 a10 = 2097151 & (load_3(a + 26) >> 2); - crypto_int64 a11 = (load_4(a + 28) >> 7); - crypto_int64 b0 = 2097151 & load_3(b); - crypto_int64 b1 = 2097151 & (load_4(b + 2) >> 5); - crypto_int64 b2 = 2097151 & (load_3(b + 5) >> 2); - crypto_int64 b3 = 2097151 & (load_4(b + 7) >> 7); - crypto_int64 b4 = 2097151 & (load_4(b + 10) >> 4); - crypto_int64 b5 = 2097151 & (load_3(b + 13) >> 1); - crypto_int64 b6 = 2097151 & (load_4(b + 15) >> 6); - crypto_int64 b7 = 2097151 & (load_3(b + 18) >> 3); - crypto_int64 b8 = 2097151 & load_3(b + 21); - crypto_int64 b9 = 2097151 & (load_4(b + 23) >> 5); - crypto_int64 b10 = 2097151 & (load_3(b + 26) >> 2); - crypto_int64 b11 = (load_4(b + 28) >> 7); - crypto_int64 c0 = 2097151 & load_3(c); - crypto_int64 c1 = 2097151 & (load_4(c + 2) >> 5); - crypto_int64 c2 = 2097151 & (load_3(c + 5) >> 2); - crypto_int64 c3 = 2097151 & (load_4(c + 7) >> 7); - crypto_int64 c4 = 2097151 & (load_4(c + 10) >> 4); - crypto_int64 c5 = 2097151 & (load_3(c + 13) >> 1); - crypto_int64 c6 = 2097151 & (load_4(c + 15) >> 6); - crypto_int64 c7 = 2097151 & (load_3(c + 18) >> 3); - crypto_int64 c8 = 2097151 & load_3(c + 21); - crypto_int64 c9 = 2097151 & (load_4(c + 23) >> 5); - crypto_int64 c10 = 2097151 & (load_3(c + 26) >> 2); - crypto_int64 c11 = (load_4(c + 28) >> 7); - crypto_int64 s0; - crypto_int64 s1; - crypto_int64 s2; - crypto_int64 s3; - crypto_int64 s4; - crypto_int64 s5; - crypto_int64 s6; - crypto_int64 s7; - crypto_int64 s8; - crypto_int64 s9; - crypto_int64 s10; - crypto_int64 s11; - crypto_int64 s12; - crypto_int64 s13; - crypto_int64 s14; - crypto_int64 s15; - crypto_int64 s16; - crypto_int64 s17; - crypto_int64 s18; - crypto_int64 s19; - crypto_int64 s20; - crypto_int64 s21; - crypto_int64 s22; - crypto_int64 s23; - crypto_int64 carry0; - crypto_int64 carry1; - crypto_int64 carry2; - crypto_int64 carry3; - crypto_int64 carry4; - crypto_int64 carry5; - crypto_int64 carry6; - crypto_int64 carry7; - crypto_int64 carry8; - crypto_int64 carry9; - crypto_int64 carry10; - crypto_int64 carry11; - crypto_int64 carry12; - crypto_int64 carry13; - crypto_int64 carry14; - crypto_int64 carry15; - crypto_int64 carry16; - crypto_int64 carry17; - crypto_int64 carry18; - crypto_int64 carry19; - crypto_int64 carry20; - crypto_int64 carry21; - crypto_int64 carry22; - - s0 = c0 + a0 * b0; - s1 = c1 + a0 * b1 + a1 * b0; - s2 = c2 + a0 * b2 + a1 * b1 + a2 * b0; - s3 = c3 + a0 * b3 + a1 * b2 + a2 * b1 + a3 * b0; - s4 = c4 + a0 * b4 + a1 * b3 + a2 * b2 + a3 * b1 + a4 * b0; - s5 = c5 + a0 * b5 + a1 * b4 + a2 * b3 + a3 * b2 + a4 * b1 + a5 * b0; - s6 = c6 + a0 * b6 + a1 * b5 + a2 * b4 + a3 * b3 + a4 * b2 + a5 * b1 + a6 * b0; - s7 = c7 + a0 * b7 + a1 * b6 + a2 * b5 + a3 * b4 + a4 * b3 + a5 * b2 + a6 * b1 + a7 * b0; - s8 = c8 + a0 * b8 + a1 * b7 + a2 * b6 + a3 * b5 + a4 * b4 + a5 * b3 + a6 * b2 + a7 * b1 + - a8 * b0; - s9 = c9 + a0 * b9 + a1 * b8 + a2 * b7 + a3 * b6 + a4 * b5 + a5 * b4 + a6 * b3 + a7 * b2 + - a8 * b1 + a9 * b0; - s10 = c10 + a0 * b10 + a1 * b9 + a2 * b8 + a3 * b7 + a4 * b6 + a5 * b5 + a6 * b4 + a7 * b3 + - a8 * b2 + a9 * b1 + a10 * b0; - s11 = c11 + a0 * b11 + a1 * b10 + a2 * b9 + a3 * b8 + a4 * b7 + a5 * b6 + a6 * b5 + a7 * b4 + - a8 * b3 + a9 * b2 + a10 * b1 + a11 * b0; - s12 = a1 * b11 + a2 * b10 + a3 * b9 + a4 * b8 + a5 * b7 + a6 * b6 + a7 * b5 + a8 * b4 + - a9 * b3 + a10 * b2 + a11 * b1; - s13 = a2 * b11 + a3 * b10 + a4 * b9 + a5 * b8 + a6 * b7 + a7 * b6 + a8 * b5 + a9 * b4 + - a10 * b3 + a11 * b2; - s14 = a3 * b11 + a4 * b10 + a5 * b9 + a6 * b8 + a7 * b7 + a8 * b6 + a9 * b5 + a10 * b4 + - a11 * b3; - s15 = a4 * b11 + a5 * b10 + a6 * b9 + a7 * b8 + a8 * b7 + a9 * b6 + a10 * b5 + a11 * b4; - s16 = a5 * b11 + a6 * b10 + a7 * b9 + a8 * b8 + a9 * b7 + a10 * b6 + a11 * b5; - s17 = a6 * b11 + a7 * b10 + a8 * b9 + a9 * b8 + a10 * b7 + a11 * b6; - s18 = a7 * b11 + a8 * b10 + a9 * b9 + a10 * b8 + a11 * b7; - s19 = a8 * b11 + a9 * b10 + a10 * b9 + a11 * b8; - s20 = a9 * b11 + a10 * b10 + a11 * b9; - s21 = a10 * b11 + a11 * b10; - s22 = a11 * b11; - s23 = 0; - - carry0 = (s0 + (1 << 20)) >> 21; - s1 += carry0; - s0 -= carry0 << 21; - carry2 = (s2 + (1 << 20)) >> 21; - s3 += carry2; - s2 -= carry2 << 21; - carry4 = (s4 + (1 << 20)) >> 21; - s5 += carry4; - s4 -= carry4 << 21; - carry6 = (s6 + (1 << 20)) >> 21; - s7 += carry6; - s6 -= carry6 << 21; - carry8 = (s8 + (1 << 20)) >> 21; - s9 += carry8; - s8 -= carry8 << 21; - carry10 = (s10 + (1 << 20)) >> 21; - s11 += carry10; - s10 -= carry10 << 21; - carry12 = (s12 + (1 << 20)) >> 21; - s13 += carry12; - s12 -= carry12 << 21; - carry14 = (s14 + (1 << 20)) >> 21; - s15 += carry14; - s14 -= carry14 << 21; - carry16 = (s16 + (1 << 20)) >> 21; - s17 += carry16; - s16 -= carry16 << 21; - carry18 = (s18 + (1 << 20)) >> 21; - s19 += carry18; - s18 -= carry18 << 21; - carry20 = (s20 + (1 << 20)) >> 21; - s21 += carry20; - s20 -= carry20 << 21; - carry22 = (s22 + (1 << 20)) >> 21; - s23 += carry22; - s22 -= carry22 << 21; - - carry1 = (s1 + (1 << 20)) >> 21; - s2 += carry1; - s1 -= carry1 << 21; - carry3 = (s3 + (1 << 20)) >> 21; - s4 += carry3; - s3 -= carry3 << 21; - carry5 = (s5 + (1 << 20)) >> 21; - s6 += carry5; - s5 -= carry5 << 21; - carry7 = (s7 + (1 << 20)) >> 21; - s8 += carry7; - s7 -= carry7 << 21; - carry9 = (s9 + (1 << 20)) >> 21; - s10 += carry9; - s9 -= carry9 << 21; - carry11 = (s11 + (1 << 20)) >> 21; - s12 += carry11; - s11 -= carry11 << 21; - carry13 = (s13 + (1 << 20)) >> 21; - s14 += carry13; - s13 -= carry13 << 21; - carry15 = (s15 + (1 << 20)) >> 21; - s16 += carry15; - s15 -= carry15 << 21; - carry17 = (s17 + (1 << 20)) >> 21; - s18 += carry17; - s17 -= carry17 << 21; - carry19 = (s19 + (1 << 20)) >> 21; - s20 += carry19; - s19 -= carry19 << 21; - carry21 = (s21 + (1 << 20)) >> 21; - s22 += carry21; - s21 -= carry21 << 21; - - s11 += s23 * 666643; - s12 += s23 * 470296; - s13 += s23 * 654183; - s14 -= s23 * 997805; - s15 += s23 * 136657; - s16 -= s23 * 683901; - s23 = 0; - - s10 += s22 * 666643; - s11 += s22 * 470296; - s12 += s22 * 654183; - s13 -= s22 * 997805; - s14 += s22 * 136657; - s15 -= s22 * 683901; - s22 = 0; - - s9 += s21 * 666643; - s10 += s21 * 470296; - s11 += s21 * 654183; - s12 -= s21 * 997805; - s13 += s21 * 136657; - s14 -= s21 * 683901; - s21 = 0; - - s8 += s20 * 666643; - s9 += s20 * 470296; - s10 += s20 * 654183; - s11 -= s20 * 997805; - s12 += s20 * 136657; - s13 -= s20 * 683901; - s20 = 0; - - s7 += s19 * 666643; - s8 += s19 * 470296; - s9 += s19 * 654183; - s10 -= s19 * 997805; - s11 += s19 * 136657; - s12 -= s19 * 683901; - s19 = 0; - - s6 += s18 * 666643; - s7 += s18 * 470296; - s8 += s18 * 654183; - s9 -= s18 * 997805; - s10 += s18 * 136657; - s11 -= s18 * 683901; - s18 = 0; - - carry6 = (s6 + (1 << 20)) >> 21; - s7 += carry6; - s6 -= carry6 << 21; - carry8 = (s8 + (1 << 20)) >> 21; - s9 += carry8; - s8 -= carry8 << 21; - carry10 = (s10 + (1 << 20)) >> 21; - s11 += carry10; - s10 -= carry10 << 21; - carry12 = (s12 + (1 << 20)) >> 21; - s13 += carry12; - s12 -= carry12 << 21; - carry14 = (s14 + (1 << 20)) >> 21; - s15 += carry14; - s14 -= carry14 << 21; - carry16 = (s16 + (1 << 20)) >> 21; - s17 += carry16; - s16 -= carry16 << 21; - - carry7 = (s7 + (1 << 20)) >> 21; - s8 += carry7; - s7 -= carry7 << 21; - carry9 = (s9 + (1 << 20)) >> 21; - s10 += carry9; - s9 -= carry9 << 21; - carry11 = (s11 + (1 << 20)) >> 21; - s12 += carry11; - s11 -= carry11 << 21; - carry13 = (s13 + (1 << 20)) >> 21; - s14 += carry13; - s13 -= carry13 << 21; - carry15 = (s15 + (1 << 20)) >> 21; - s16 += carry15; - s15 -= carry15 << 21; - - s5 += s17 * 666643; - s6 += s17 * 470296; - s7 += s17 * 654183; - s8 -= s17 * 997805; - s9 += s17 * 136657; - s10 -= s17 * 683901; - s17 = 0; - - s4 += s16 * 666643; - s5 += s16 * 470296; - s6 += s16 * 654183; - s7 -= s16 * 997805; - s8 += s16 * 136657; - s9 -= s16 * 683901; - s16 = 0; - - s3 += s15 * 666643; - s4 += s15 * 470296; - s5 += s15 * 654183; - s6 -= s15 * 997805; - s7 += s15 * 136657; - s8 -= s15 * 683901; - s15 = 0; - - s2 += s14 * 666643; - s3 += s14 * 470296; - s4 += s14 * 654183; - s5 -= s14 * 997805; - s6 += s14 * 136657; - s7 -= s14 * 683901; - s14 = 0; - - s1 += s13 * 666643; - s2 += s13 * 470296; - s3 += s13 * 654183; - s4 -= s13 * 997805; - s5 += s13 * 136657; - s6 -= s13 * 683901; - s13 = 0; - - s0 += s12 * 666643; - s1 += s12 * 470296; - s2 += s12 * 654183; - s3 -= s12 * 997805; - s4 += s12 * 136657; - s5 -= s12 * 683901; - s12 = 0; - - carry0 = (s0 + (1 << 20)) >> 21; - s1 += carry0; - s0 -= carry0 << 21; - carry2 = (s2 + (1 << 20)) >> 21; - s3 += carry2; - s2 -= carry2 << 21; - carry4 = (s4 + (1 << 20)) >> 21; - s5 += carry4; - s4 -= carry4 << 21; - carry6 = (s6 + (1 << 20)) >> 21; - s7 += carry6; - s6 -= carry6 << 21; - carry8 = (s8 + (1 << 20)) >> 21; - s9 += carry8; - s8 -= carry8 << 21; - carry10 = (s10 + (1 << 20)) >> 21; - s11 += carry10; - s10 -= carry10 << 21; - - carry1 = (s1 + (1 << 20)) >> 21; - s2 += carry1; - s1 -= carry1 << 21; - carry3 = (s3 + (1 << 20)) >> 21; - s4 += carry3; - s3 -= carry3 << 21; - carry5 = (s5 + (1 << 20)) >> 21; - s6 += carry5; - s5 -= carry5 << 21; - carry7 = (s7 + (1 << 20)) >> 21; - s8 += carry7; - s7 -= carry7 << 21; - carry9 = (s9 + (1 << 20)) >> 21; - s10 += carry9; - s9 -= carry9 << 21; - carry11 = (s11 + (1 << 20)) >> 21; - s12 += carry11; - s11 -= carry11 << 21; - - s0 += s12 * 666643; - s1 += s12 * 470296; - s2 += s12 * 654183; - s3 -= s12 * 997805; - s4 += s12 * 136657; - s5 -= s12 * 683901; - s12 = 0; - - carry0 = s0 >> 21; - s1 += carry0; - s0 -= carry0 << 21; - carry1 = s1 >> 21; - s2 += carry1; - s1 -= carry1 << 21; - carry2 = s2 >> 21; - s3 += carry2; - s2 -= carry2 << 21; - carry3 = s3 >> 21; - s4 += carry3; - s3 -= carry3 << 21; - carry4 = s4 >> 21; - s5 += carry4; - s4 -= carry4 << 21; - carry5 = s5 >> 21; - s6 += carry5; - s5 -= carry5 << 21; - carry6 = s6 >> 21; - s7 += carry6; - s6 -= carry6 << 21; - carry7 = s7 >> 21; - s8 += carry7; - s7 -= carry7 << 21; - carry8 = s8 >> 21; - s9 += carry8; - s8 -= carry8 << 21; - carry9 = s9 >> 21; - s10 += carry9; - s9 -= carry9 << 21; - carry10 = s10 >> 21; - s11 += carry10; - s10 -= carry10 << 21; - carry11 = s11 >> 21; - s12 += carry11; - s11 -= carry11 << 21; - - s0 += s12 * 666643; - s1 += s12 * 470296; - s2 += s12 * 654183; - s3 -= s12 * 997805; - s4 += s12 * 136657; - s5 -= s12 * 683901; - s12 = 0; - - carry0 = s0 >> 21; - s1 += carry0; - s0 -= carry0 << 21; - carry1 = s1 >> 21; - s2 += carry1; - s1 -= carry1 << 21; - carry2 = s2 >> 21; - s3 += carry2; - s2 -= carry2 << 21; - carry3 = s3 >> 21; - s4 += carry3; - s3 -= carry3 << 21; - carry4 = s4 >> 21; - s5 += carry4; - s4 -= carry4 << 21; - carry5 = s5 >> 21; - s6 += carry5; - s5 -= carry5 << 21; - carry6 = s6 >> 21; - s7 += carry6; - s6 -= carry6 << 21; - carry7 = s7 >> 21; - s8 += carry7; - s7 -= carry7 << 21; - carry8 = s8 >> 21; - s9 += carry8; - s8 -= carry8 << 21; - carry9 = s9 >> 21; - s10 += carry9; - s9 -= carry9 << 21; - carry10 = s10 >> 21; - s11 += carry10; - s10 -= carry10 << 21; - - s[0] = s0 >> 0; - s[1] = s0 >> 8; - s[2] = (s0 >> 16) | (s1 << 5); - s[3] = s1 >> 3; - s[4] = s1 >> 11; - s[5] = (s1 >> 19) | (s2 << 2); - s[6] = s2 >> 6; - s[7] = (s2 >> 14) | (s3 << 7); - s[8] = s3 >> 1; - s[9] = s3 >> 9; - s[10] = (s3 >> 17) | (s4 << 4); - s[11] = s4 >> 4; - s[12] = s4 >> 12; - s[13] = (s4 >> 20) | (s5 << 1); - s[14] = s5 >> 7; - s[15] = (s5 >> 15) | (s6 << 6); - s[16] = s6 >> 2; - s[17] = s6 >> 10; - s[18] = (s6 >> 18) | (s7 << 3); - s[19] = s7 >> 5; - s[20] = s7 >> 13; - s[21] = s8 >> 0; - s[22] = s8 >> 8; - s[23] = (s8 >> 16) | (s9 << 5); - s[24] = s9 >> 3; - s[25] = s9 >> 11; - s[26] = (s9 >> 19) | (s10 << 2); - s[27] = s10 >> 6; - s[28] = (s10 >> 14) | (s11 << 7); - s[29] = s11 >> 1; - s[30] = s11 >> 9; - s[31] = s11 >> 17; -} diff --git a/src/crypto/crypto_ops_builder/ref10/sc_reduce.c b/src/crypto/crypto_ops_builder/ref10/sc_reduce.c deleted file mode 100644 index c00cd4f..0000000 --- a/src/crypto/crypto_ops_builder/ref10/sc_reduce.c +++ /dev/null @@ -1,364 +0,0 @@ -#include "crypto_int64.h" -#include "crypto_uint32.h" -#include "crypto_uint64.h" -#include "sc.h" - -static crypto_uint64 load_3(const unsigned char* in) { - crypto_uint64 result; - result = (crypto_uint64)in[0]; - result |= ((crypto_uint64)in[1]) << 8; - result |= ((crypto_uint64)in[2]) << 16; - return result; -} - -static crypto_uint64 load_4(const unsigned char* in) { - crypto_uint64 result; - result = (crypto_uint64)in[0]; - result |= ((crypto_uint64)in[1]) << 8; - result |= ((crypto_uint64)in[2]) << 16; - result |= ((crypto_uint64)in[3]) << 24; - return result; -} - -/* -Input: - s[0]+256*s[1]+...+256^63*s[63] = s - -Output: - s[0]+256*s[1]+...+256^31*s[31] = s mod l - where l = 2^252 + 27742317777372353535851937790883648493. - Overwrites s in place. -*/ - -void sc_reduce(unsigned char* s) { - crypto_int64 s0 = 2097151 & load_3(s); - crypto_int64 s1 = 2097151 & (load_4(s + 2) >> 5); - crypto_int64 s2 = 2097151 & (load_3(s + 5) >> 2); - crypto_int64 s3 = 2097151 & (load_4(s + 7) >> 7); - crypto_int64 s4 = 2097151 & (load_4(s + 10) >> 4); - crypto_int64 s5 = 2097151 & (load_3(s + 13) >> 1); - crypto_int64 s6 = 2097151 & (load_4(s + 15) >> 6); - crypto_int64 s7 = 2097151 & (load_3(s + 18) >> 3); - crypto_int64 s8 = 2097151 & load_3(s + 21); - crypto_int64 s9 = 2097151 & (load_4(s + 23) >> 5); - crypto_int64 s10 = 2097151 & (load_3(s + 26) >> 2); - crypto_int64 s11 = 2097151 & (load_4(s + 28) >> 7); - crypto_int64 s12 = 2097151 & (load_4(s + 31) >> 4); - crypto_int64 s13 = 2097151 & (load_3(s + 34) >> 1); - crypto_int64 s14 = 2097151 & (load_4(s + 36) >> 6); - crypto_int64 s15 = 2097151 & (load_3(s + 39) >> 3); - crypto_int64 s16 = 2097151 & load_3(s + 42); - crypto_int64 s17 = 2097151 & (load_4(s + 44) >> 5); - crypto_int64 s18 = 2097151 & (load_3(s + 47) >> 2); - crypto_int64 s19 = 2097151 & (load_4(s + 49) >> 7); - crypto_int64 s20 = 2097151 & (load_4(s + 52) >> 4); - crypto_int64 s21 = 2097151 & (load_3(s + 55) >> 1); - crypto_int64 s22 = 2097151 & (load_4(s + 57) >> 6); - crypto_int64 s23 = (load_4(s + 60) >> 3); - crypto_int64 carry0; - crypto_int64 carry1; - crypto_int64 carry2; - crypto_int64 carry3; - crypto_int64 carry4; - crypto_int64 carry5; - crypto_int64 carry6; - crypto_int64 carry7; - crypto_int64 carry8; - crypto_int64 carry9; - crypto_int64 carry10; - crypto_int64 carry11; - crypto_int64 carry12; - crypto_int64 carry13; - crypto_int64 carry14; - crypto_int64 carry15; - crypto_int64 carry16; - - s11 += s23 * 666643; - s12 += s23 * 470296; - s13 += s23 * 654183; - s14 -= s23 * 997805; - s15 += s23 * 136657; - s16 -= s23 * 683901; - s23 = 0; - - s10 += s22 * 666643; - s11 += s22 * 470296; - s12 += s22 * 654183; - s13 -= s22 * 997805; - s14 += s22 * 136657; - s15 -= s22 * 683901; - s22 = 0; - - s9 += s21 * 666643; - s10 += s21 * 470296; - s11 += s21 * 654183; - s12 -= s21 * 997805; - s13 += s21 * 136657; - s14 -= s21 * 683901; - s21 = 0; - - s8 += s20 * 666643; - s9 += s20 * 470296; - s10 += s20 * 654183; - s11 -= s20 * 997805; - s12 += s20 * 136657; - s13 -= s20 * 683901; - s20 = 0; - - s7 += s19 * 666643; - s8 += s19 * 470296; - s9 += s19 * 654183; - s10 -= s19 * 997805; - s11 += s19 * 136657; - s12 -= s19 * 683901; - s19 = 0; - - s6 += s18 * 666643; - s7 += s18 * 470296; - s8 += s18 * 654183; - s9 -= s18 * 997805; - s10 += s18 * 136657; - s11 -= s18 * 683901; - s18 = 0; - - carry6 = (s6 + (1 << 20)) >> 21; - s7 += carry6; - s6 -= carry6 << 21; - carry8 = (s8 + (1 << 20)) >> 21; - s9 += carry8; - s8 -= carry8 << 21; - carry10 = (s10 + (1 << 20)) >> 21; - s11 += carry10; - s10 -= carry10 << 21; - carry12 = (s12 + (1 << 20)) >> 21; - s13 += carry12; - s12 -= carry12 << 21; - carry14 = (s14 + (1 << 20)) >> 21; - s15 += carry14; - s14 -= carry14 << 21; - carry16 = (s16 + (1 << 20)) >> 21; - s17 += carry16; - s16 -= carry16 << 21; - - carry7 = (s7 + (1 << 20)) >> 21; - s8 += carry7; - s7 -= carry7 << 21; - carry9 = (s9 + (1 << 20)) >> 21; - s10 += carry9; - s9 -= carry9 << 21; - carry11 = (s11 + (1 << 20)) >> 21; - s12 += carry11; - s11 -= carry11 << 21; - carry13 = (s13 + (1 << 20)) >> 21; - s14 += carry13; - s13 -= carry13 << 21; - carry15 = (s15 + (1 << 20)) >> 21; - s16 += carry15; - s15 -= carry15 << 21; - - s5 += s17 * 666643; - s6 += s17 * 470296; - s7 += s17 * 654183; - s8 -= s17 * 997805; - s9 += s17 * 136657; - s10 -= s17 * 683901; - s17 = 0; - - s4 += s16 * 666643; - s5 += s16 * 470296; - s6 += s16 * 654183; - s7 -= s16 * 997805; - s8 += s16 * 136657; - s9 -= s16 * 683901; - s16 = 0; - - s3 += s15 * 666643; - s4 += s15 * 470296; - s5 += s15 * 654183; - s6 -= s15 * 997805; - s7 += s15 * 136657; - s8 -= s15 * 683901; - s15 = 0; - - s2 += s14 * 666643; - s3 += s14 * 470296; - s4 += s14 * 654183; - s5 -= s14 * 997805; - s6 += s14 * 136657; - s7 -= s14 * 683901; - s14 = 0; - - s1 += s13 * 666643; - s2 += s13 * 470296; - s3 += s13 * 654183; - s4 -= s13 * 997805; - s5 += s13 * 136657; - s6 -= s13 * 683901; - s13 = 0; - - s0 += s12 * 666643; - s1 += s12 * 470296; - s2 += s12 * 654183; - s3 -= s12 * 997805; - s4 += s12 * 136657; - s5 -= s12 * 683901; - s12 = 0; - - carry0 = (s0 + (1 << 20)) >> 21; - s1 += carry0; - s0 -= carry0 << 21; - carry2 = (s2 + (1 << 20)) >> 21; - s3 += carry2; - s2 -= carry2 << 21; - carry4 = (s4 + (1 << 20)) >> 21; - s5 += carry4; - s4 -= carry4 << 21; - carry6 = (s6 + (1 << 20)) >> 21; - s7 += carry6; - s6 -= carry6 << 21; - carry8 = (s8 + (1 << 20)) >> 21; - s9 += carry8; - s8 -= carry8 << 21; - carry10 = (s10 + (1 << 20)) >> 21; - s11 += carry10; - s10 -= carry10 << 21; - - carry1 = (s1 + (1 << 20)) >> 21; - s2 += carry1; - s1 -= carry1 << 21; - carry3 = (s3 + (1 << 20)) >> 21; - s4 += carry3; - s3 -= carry3 << 21; - carry5 = (s5 + (1 << 20)) >> 21; - s6 += carry5; - s5 -= carry5 << 21; - carry7 = (s7 + (1 << 20)) >> 21; - s8 += carry7; - s7 -= carry7 << 21; - carry9 = (s9 + (1 << 20)) >> 21; - s10 += carry9; - s9 -= carry9 << 21; - carry11 = (s11 + (1 << 20)) >> 21; - s12 += carry11; - s11 -= carry11 << 21; - - s0 += s12 * 666643; - s1 += s12 * 470296; - s2 += s12 * 654183; - s3 -= s12 * 997805; - s4 += s12 * 136657; - s5 -= s12 * 683901; - s12 = 0; - - carry0 = s0 >> 21; - s1 += carry0; - s0 -= carry0 << 21; - carry1 = s1 >> 21; - s2 += carry1; - s1 -= carry1 << 21; - carry2 = s2 >> 21; - s3 += carry2; - s2 -= carry2 << 21; - carry3 = s3 >> 21; - s4 += carry3; - s3 -= carry3 << 21; - carry4 = s4 >> 21; - s5 += carry4; - s4 -= carry4 << 21; - carry5 = s5 >> 21; - s6 += carry5; - s5 -= carry5 << 21; - carry6 = s6 >> 21; - s7 += carry6; - s6 -= carry6 << 21; - carry7 = s7 >> 21; - s8 += carry7; - s7 -= carry7 << 21; - carry8 = s8 >> 21; - s9 += carry8; - s8 -= carry8 << 21; - carry9 = s9 >> 21; - s10 += carry9; - s9 -= carry9 << 21; - carry10 = s10 >> 21; - s11 += carry10; - s10 -= carry10 << 21; - carry11 = s11 >> 21; - s12 += carry11; - s11 -= carry11 << 21; - - s0 += s12 * 666643; - s1 += s12 * 470296; - s2 += s12 * 654183; - s3 -= s12 * 997805; - s4 += s12 * 136657; - s5 -= s12 * 683901; - s12 = 0; - - carry0 = s0 >> 21; - s1 += carry0; - s0 -= carry0 << 21; - carry1 = s1 >> 21; - s2 += carry1; - s1 -= carry1 << 21; - carry2 = s2 >> 21; - s3 += carry2; - s2 -= carry2 << 21; - carry3 = s3 >> 21; - s4 += carry3; - s3 -= carry3 << 21; - carry4 = s4 >> 21; - s5 += carry4; - s4 -= carry4 << 21; - carry5 = s5 >> 21; - s6 += carry5; - s5 -= carry5 << 21; - carry6 = s6 >> 21; - s7 += carry6; - s6 -= carry6 << 21; - carry7 = s7 >> 21; - s8 += carry7; - s7 -= carry7 << 21; - carry8 = s8 >> 21; - s9 += carry8; - s8 -= carry8 << 21; - carry9 = s9 >> 21; - s10 += carry9; - s9 -= carry9 << 21; - carry10 = s10 >> 21; - s11 += carry10; - s10 -= carry10 << 21; - - s[0] = s0 >> 0; - s[1] = s0 >> 8; - s[2] = (s0 >> 16) | (s1 << 5); - s[3] = s1 >> 3; - s[4] = s1 >> 11; - s[5] = (s1 >> 19) | (s2 << 2); - s[6] = s2 >> 6; - s[7] = (s2 >> 14) | (s3 << 7); - s[8] = s3 >> 1; - s[9] = s3 >> 9; - s[10] = (s3 >> 17) | (s4 << 4); - s[11] = s4 >> 4; - s[12] = s4 >> 12; - s[13] = (s4 >> 20) | (s5 << 1); - s[14] = s5 >> 7; - s[15] = (s5 >> 15) | (s6 << 6); - s[16] = s6 >> 2; - s[17] = s6 >> 10; - s[18] = (s6 >> 18) | (s7 << 3); - s[19] = s7 >> 5; - s[20] = s7 >> 13; - s[21] = s8 >> 0; - s[22] = s8 >> 8; - s[23] = (s8 >> 16) | (s9 << 5); - s[24] = s9 >> 3; - s[25] = s9 >> 11; - s[26] = (s9 >> 19) | (s10 << 2); - s[27] = s10 >> 6; - s[28] = (s10 >> 14) | (s11 << 7); - s[29] = s11 >> 1; - s[30] = s11 >> 9; - s[31] = s11 >> 17; -} diff --git a/src/crypto/crypto_ops_builder/ref10/sign.c b/src/crypto/crypto_ops_builder/ref10/sign.c deleted file mode 100644 index 1295563..0000000 --- a/src/crypto/crypto_ops_builder/ref10/sign.c +++ /dev/null @@ -1,42 +0,0 @@ -#include - -#include "crypto_hash_sha512.h" -#include "crypto_sign.h" -#include "ge.h" -#include "sc.h" - -int crypto_sign( - unsigned char* sm, - unsigned long long* smlen, - const unsigned char* m, - unsigned long long mlen, - const unsigned char* sk) { - unsigned char pk[32]; - unsigned char az[64]; - unsigned char nonce[64]; - unsigned char hram[64]; - ge_p3 R; - - memmove(pk, sk + 32, 32); - - crypto_hash_sha512(az, sk, 32); - az[0] &= 248; - az[31] &= 63; - az[31] |= 64; - - *smlen = mlen + 64; - memmove(sm + 64, m, mlen); - memmove(sm + 32, az + 32, 32); - crypto_hash_sha512(nonce, sm + 32, mlen + 32); - memmove(sm + 32, pk, 32); - - sc_reduce(nonce); - ge_scalarmult_base(&R, nonce); - ge_p3_tobytes(sm, &R); - - crypto_hash_sha512(hram, sm, mlen + 64); - sc_reduce(hram); - sc_muladd(sm + 32, hram, az, nonce); - - return 0; -} diff --git a/src/crypto/crypto_ops_builder/ref10/sqrtm1.h b/src/crypto/crypto_ops_builder/ref10/sqrtm1.h deleted file mode 100644 index 595dd34..0000000 --- a/src/crypto/crypto_ops_builder/ref10/sqrtm1.h +++ /dev/null @@ -1 +0,0 @@ -- 32595792, -7943725, 9377950, 3500415, 12389472, -272473, -25146209, -2005654, 326686, 11406482 diff --git a/src/crypto/crypto_ops_builder/ref10/sqrtm1.py b/src/crypto/crypto_ops_builder/ref10/sqrtm1.py deleted file mode 100644 index 9a47fbc..0000000 --- a/src/crypto/crypto_ops_builder/ref10/sqrtm1.py +++ /dev/null @@ -1,28 +0,0 @@ -q = 2**255 - 19 - -def expmod(b,e,m): - if e == 0: return 1 - t = expmod(b,e/2,m)**2 % m - if e & 1: t = (t*b) % m - return t - -def inv(x): - return expmod(x,q-2,q) - -def radix255(x): - x = x % q - if x + x > q: x -= q - x = [x,0,0,0,0,0,0,0,0,0] - bits = [26,25,26,25,26,25,26,25,26,25] - for i in range(9): - carry = (x[i] + 2**(bits[i]-1)) / 2**bits[i] - x[i] -= carry * 2**bits[i] - x[i + 1] += carry - result = "" - for i in range(9): - result = result+str(x[i])+"," - result = result+str(x[9]) - return result - -I = expmod(2,(q-1)/4,q) -print radix255(I) diff --git a/src/crypto/crypto_ops_builder/ref10CommentedCombined/MakeCryptoOps.py b/src/crypto/crypto_ops_builder/ref10CommentedCombined/MakeCryptoOps.py deleted file mode 100644 index dfba583..0000000 --- a/src/crypto/crypto_ops_builder/ref10CommentedCombined/MakeCryptoOps.py +++ /dev/null @@ -1,261 +0,0 @@ -#assumes you have gnu sed, osx sed might need slight syntax changeo -#c.f. https://unix.stackexchange.com/questions/112023/how-can-i-replace-a-string-in-a-files - -#written by shen-noether monero research labs - -import os #for copying and sed etc. -import glob #for copy files -import textwrap #for comments etc - -print("make sure you have cat and grep installed") -print("also assumes gnu sed syntax, c.f. :https://unix.stackexchange.com/questions/112023/how-can-i-replace-a-string-in-a-files") -print("I believe osx may have slightly different version of sed") -print("maybe someone smart can replace the sed with perl..") - -a = "" - -license = textwrap.dedent("""\ - // Copyright (c) 2014-2019, The Monero Project - // - // All rights reserved. - // - // Redistribution and use in source and binary forms, with or without modification, are - // permitted provided that the following conditions are met: - // - // 1. Redistributions of source code must retain the above copyright notice, this list of - // conditions and the following disclaimer. - // - // 2. Redistributions in binary form must reproduce the above copyright notice, this list - // of conditions and the following disclaimer in the documentation and/or other - // materials provided with the distribution. - // - // 3. Neither the name of the copyright holder nor the names of its contributors may be - // used to endorse or promote products derived from this software without specific - // prior written permission. - // - // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY - // EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - // MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL - // THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, - // PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - // INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, - // STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF - // THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - // - // Parts of this file are originally copyright (c) 2012-2013 The Cryptonote developers - """) - -crypto_ops_includes = textwrap.dedent("""\ - #include - #include - - #include "warnings.h" - #include "crypto-ops.h" - - DISABLE_VS_WARNINGS(4146 4244) - """) - -predeclarations = textwrap.dedent("""\ - /* Predeclarations */ - - static void fe_mul(fe, const fe, const fe); - static void fe_sq(fe, const fe); - static void fe_tobytes(unsigned char *, const fe); - static int fe_isnonzero(const fe); - static void ge_madd(ge_p1p1 *, const ge_p3 *, const ge_precomp *); - static void ge_msub(ge_p1p1 *, const ge_p3 *, const ge_precomp *); - static void ge_p2_0(ge_p2 *); - static void ge_p3_dbl(ge_p1p1 *, const ge_p3 *); - static void ge_sub(ge_p1p1 *, const ge_p3 *, const ge_cached *); - static void fe_divpowm1(fe, const fe, const fe); - """) - - - -fe_comments = textwrap.dedent("""\ - /* - fe means field element. - Here the field is \Z/(2^255-19). - An element t, entries t[0]...t[9], represents the integer - t[0]+2^26 t[1]+2^51 t[2]+2^77 t[3]+2^102 t[4]+...+2^230 t[9]. - Bounds on each t[i] vary depending on context. - */ - """) - -sc_comments = textwrap.dedent("""\ - /* - * - * sc code - * - * - The set of scalars is \Z/l - where l = 2^252 + 27742317777372353535851937790883648493. - - This is the order of the curve ed25519. - The point is that if a is a scalar and P is a point, - and b is congruent to a mod l, then aP = bP. - Thus, reducing mod l can possibly give you a smaller scalar, - so your elliptic curve operations take less time - */ - """) - -ge_comments = textwrap.dedent("""\ - /* - * - * ge code - * - * - ge means group element. - - Here the group is the set of pairs (x,y) of field elements (see fe.h) - satisfying -x^2 + y^2 = 1 + d x^2y^2 - where d = -121665/121666. - - Representations: - ge_p2 (projective): (X:Y:Z) satisfying x=X/Z, y=Y/Z - ge_p3 (extended): (X:Y:Z:T) satisfying x=X/Z, y=Y/Z, XY=ZT - ge_p1p1 (completed): ((X:Z),(Y:T)) satisfying x=X/Z, y=Y/T - ge_precomp (Duif): (y+x,y-x,2dxy) - */ - """) - -xmr_comments = textwrap.dedent("""\ - /* - * - * xmr specific code - * - * - This code is from the original CryptoNote. - Some additional functions were needed to compute ring signatures - which are not needed for signing. - Note that sc_sub and sc_mulsub have been given their own file - since these have been rewritten - - */ - """) - - - - -def qhasmToC(fi, header, out): - #replaces mentiones of "header" in "fi" with output in "out" - #also removes qhasm comments - out1 = out+".tmp" - rem_qhasm = " |grep -v 'qhasm' |grep -v ' asm'" - com = "sed -e '/#include \""+header+"\"/ {' -e 'r "+header+"' -e 'd' -e '}' "+fi+rem_qhasm+" > "+out1 - com2 = "awk 'NF' "+out1+" > "+out - print(com) - os.system(com) - print(com2) - os.system(com2) - os.remove(out1) #temporary - -while (a != "m") and (a != "m") and (a != "c"): - a = raw_input("Make / Clean/ Quit m / c / q?") - -if a == "m": - print("making crypto-ops.c and crypto-ops.h") - - - #ref10 header files - - #ref10 c files - - #fe things - #still need to do d2, d, sqrtm1 - print("making fe.c") - print(fe_comments) - fe = glob.glob("fe*.c") - for g in fe: - os.system("cp "+g+" "+g.replace("fe", "fe.monero.")) - qhasmToC("fe_pow22523.c", "pow22523.h", "fe.monero._pow22523.c") - qhasmToC("fe_invert.c", "pow225521.h", "fe.monero._invert.c") - os.system("rm fe.monero._isnonzero.c") #since it's modified, it's in xmrSpecificOld - os.system("cat fe.monero.*.c | grep -v '^#include' > fe.monero.c") - - #sc things - print("\nmaking sc.c") - print(sc_comments) - #so you don't get multiple "loads" - os.system("tail -n +24 sc_reduce.c > sc.monero._reduce.c") #also good on linux - os.system("tail -n +24 sc_muladd.c > sc.monero._muladd.c") - os.system("tail -n +31 sc_sub.xmr.c > sc.monero._sub.xmr.c") #careful with the tails if you change these files! - os.system("cat sc.monero.*.c | grep -v '^#include' > sc.monero.c") - - #ge stuff - print("making ge.c") - ge = glob.glob("ge*.c") - for g in ge: - os.system("cp "+g+" "+g.replace("ge", "ge.monero.")) - print(ge_comments) - #need to substitute the below lines for their .h files in the appropriate places - qhasmToC("ge_add.c", "ge_add.h", "ge.monero._add.c") - qhasmToC("ge_madd.c", "ge_madd.h", "ge.monero._madd.c") - qhasmToC("ge_sub.c", "ge_sub.h", "ge.monero._sub.c") - qhasmToC("ge_msub.c", "ge_msub.h", "ge.monero._msub.c") - qhasmToC("ge_p2_dbl.c", "ge_p2_dbl.h", "ge.monero._p2_dbl.c") - qhasmToC("ge_frombytes.c", "d.h", "ge.monero._frombytes.c") - qhasmToC("ge.monero._frombytes.c", "sqrtm1.h", "ge.monero._frombytes.c") - qhasmToC("ge_p3_to_cached.c", "d2.h", "ge.monero._p3_to_cached.c") - - - - #also ge_double_scalarmult needs base2.h for ge_precomp Bi - #note, base2.h is a large file! - #also in ge_scalarmult_base ge_precomp base needs base.h included - - qhasmToC("ge_double_scalarmult.c", "base2.h", "ge.monero._double_scalarmult.c") - qhasmToC("ge_scalarmult_base.c", "base.h", "ge.monero._scalarmult_base.c") - #qhasmToC("ge.monero._scalarmult_base.c", "base.h", "ge.monero._scalarmult_base.c") - os.system("sed -i 's/ cmov/ ge_precomp_cmov/g' ge.monero._scalarmult_base.c") - os.system("cat ge.monero.*.c | grep -v '^#include' > ge.monero.c") - - - print("making crypto-ops.c") - - #sqrtm1 things - - #comments - with open("fe.monero.comments", "w") as text_file: - text_file.write(fe_comments) - with open("ge.monero.comments", "w") as text_file: - text_file.write(ge_comments) - with open("sc.monero.comments", "w") as text_file: - text_file.write(sc_comments) - with open("xmr.monero.comments", "w") as text_file: - text_file.write(xmr_comments) - with open("xmr.monero.predeclarations", "w") as text_file: - text_file.write(predeclarations) - - - #license - with open("monero.license", "w") as text_file: - text_file.write(license) - - #crypto-ops.c includes - with open("crypto-ops.monero.includes", "w") as text_file: - text_file.write(crypto_ops_includes) - - #note you may have duplicates of load_3, load_4 and possibly some other functions ... - os.system("cat monero.license crypto-ops.monero.includes xmr.monero.predeclarations fe.monero.comments fe.monero.c sc.monero.comments sc.monero.c ge.monero.comments ge.monero.c xmr.monero.comments xmrSpecificOld.c > crypto-ops.c") - - #monero specific header files - #print("making crypto-ops-tmp.h") - #os.system("cat fe.h ge.h sc.h |grep -v crypto_sign_ed25519 |grep -v fe.h > crypto-ops-tmp.h") - #we'll just use the old header crypto-ops.h - - #replace crypto_ints - os.system("sed -i 's/crypto_int32/int32_t/g' crypto-ops.c") - os.system("sed -i 's/crypto_int64/int64_t/g' crypto-ops.c") - os.system("sed -i 's/crypto_uint32/uint32_t/g' crypto-ops.c") - os.system("sed -i 's/crypto_uint64/uint64_t/g' crypto-ops.c") - - #cleaning up - os.system("rm *monero*") - - #monero specific c files -if a == "c": - #turn the directory back into ref10 - os.system("rm *monero*") - os.system("rm crypto-ops.c") diff --git a/src/crypto/crypto_ops_builder/ref10CommentedCombined/api.h b/src/crypto/crypto_ops_builder/ref10CommentedCombined/api.h deleted file mode 100644 index d88dae0..0000000 --- a/src/crypto/crypto_ops_builder/ref10CommentedCombined/api.h +++ /dev/null @@ -1,4 +0,0 @@ -#define CRYPTO_SECRETKEYBYTES 64 -#define CRYPTO_PUBLICKEYBYTES 32 -#define CRYPTO_BYTES 64 -#define CRYPTO_DETERMINISTIC 1 diff --git a/src/crypto/crypto_ops_builder/ref10CommentedCombined/base.h b/src/crypto/crypto_ops_builder/ref10CommentedCombined/base.h deleted file mode 100644 index aac3616..0000000 --- a/src/crypto/crypto_ops_builder/ref10CommentedCombined/base.h +++ /dev/null @@ -1,8256 +0,0 @@ -{ - { - {25967493, - -14356035, - 29566456, - 3660896, - -12694345, - 4014787, - 27544626, - -11754271, - -6079156, - 2047605}, - {-12545711, - 934262, - -2722910, - 3049990, - -727428, - 9406986, - 12720692, - 5043384, - 19500929, - -15469378}, - {-8738181, - 4489570, - 9688441, - -14785194, - 10184609, - -12363380, - 29287919, - 11864899, - -24514362, - -4438546}, - }, - { - {-12815894, - -12976347, - -21581243, - 11784320, - -25355658, - -2750717, - -11717903, - -3814571, - -358445, - -10211303}, - {-21703237, - 6903825, - 27185491, - 6451973, - -29577724, - -9554005, - -15616551, - 11189268, - -26829678, - -5319081}, - {26966642, - 11152617, - 32442495, - 15396054, - 14353839, - -12752335, - -3128826, - -9541118, - -15472047, - -4166697}, - }, - { - {15636291, - -9688557, - 24204773, - -7912398, - 616977, - -16685262, - 27787600, - -14772189, - 28944400, - -1550024}, - {16568933, - 4717097, - -11556148, - -1102322, - 15682896, - -11807043, - 16354577, - -11775962, - 7689662, - 11199574}, - 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12248509, - -5240639, - 13735342, - 1934062}, - {25089769, - 6742589, - 17081145, - -13406266, - 21909293, - -16067981, - -15136294, - -3765346, - -21277997, - 5473616}, - {31883677, - -7961101, - 1083432, - -11572403, - 22828471, - 13290673, - -7125085, - 12469656, - 29111212, - -5451014}, - }, - { - {24244947, - -15050407, - -26262976, - 2791540, - -14997599, - 16666678, - 24367466, - 6388839, - -10295587, - 452383}, - {-25640782, - -3417841, - 5217916, - 16224624, - 19987036, - -4082269, - -24236251, - -5915248, - 15766062, - 8407814}, - {-20406999, - 13990231, - 15495425, - 16395525, - 5377168, - 15166495, - -8917023, - -4388953, - -8067909, - 2276718}, - }, - { - {30157918, - 12924066, - -17712050, - 9245753, - 19895028, - 3368142, - -23827587, - 5096219, - 22740376, - -7303417}, - {2041139, - -14256350, - 7783687, - 13876377, - -25946985, - -13352459, - 24051124, - 13742383, - -15637599, - 13295222}, - {33338237, - -8505733, - 12532113, - 7977527, - 9106186, - -1715251, - -17720195, - -4612972, - -4451357, - -14669444}, - }, - { - {-20045281, - 5454097, - -14346548, - 6447146, - 28862071, - 1883651, - -2469266, - -4141880, - 7770569, - 9620597}, - {23208068, - 7979712, - 33071466, - 8149229, - 1758231, - -10834995, - 30945528, - -1694323, - -33502340, - -14767970}, - {1439958, - -16270480, - -1079989, - -793782, - 4625402, - 10647766, - -5043801, - 1220118, - 30494170, - -11440799}, - }, - { - {-5037580, - -13028295, - -2970559, - -3061767, - 15640974, - -6701666, - -26739026, - 926050, - -1684339, - -13333647}, - {13908495, - -3549272, - 30919928, - -6273825, - -21521863, - 7989039, - 9021034, - 9078865, - 3353509, - 4033511}, - {-29663431, - -15113610, - 32259991, - -344482, - 24295849, - -12912123, - 23161163, - 8839127, - 27485041, - 7356032}, - }, - }, - { - { - {9661027, - 705443, - 11980065, - -5370154, - -1628543, - 14661173, - -6346142, - 2625015, - 28431036, - -16771834}, - {-23839233, - -8311415, - -25945511, - 7480958, - -17681669, - -8354183, - -22545972, - 14150565, - 15970762, - 4099461}, - {29262576, - 16756590, - 26350592, - -8793563, - 8529671, - -11208050, - 13617293, - -9937143, - 11465739, - 8317062}, - }, - { - {-25493081, - -6962928, - 32500200, - -9419051, - -23038724, - -2302222, - 14898637, - 3848455, - 20969334, - -5157516}, - {-20384450, - -14347713, - -18336405, - 13884722, - -33039454, - 2842114, - -21610826, - -3649888, - 11177095, - 14989547}, - {-24496721, - -11716016, - 16959896, - 2278463, - 12066309, - 10137771, - 13515641, - 2581286, - -28487508, - 9930240}, - }, - { - {-17751622, - -2097826, - 16544300, - -13009300, - -15914807, - -14949081, - 18345767, - -13403753, - 16291481, - -5314038}, - {-33229194, - 2553288, - 32678213, - 9875984, - 8534129, - 6889387, - -9676774, - 6957617, - 4368891, - 9788741}, - {16660756, - 7281060, - -10830758, - 12911820, - 20108584, - -8101676, - -21722536, - -8613148, - 16250552, - -11111103}, - }, - { - {-19765507, - 2390526, - -16551031, - 14161980, - 1905286, - 6414907, - 4689584, - 10604807, - -30190403, - 4782747}, - {-1354539, - 14736941, - -7367442, - -13292886, - 7710542, - -14155590, - -9981571, - 4383045, - 22546403, - 437323}, - {31665577, - -12180464, - -16186830, - 1491339, - -18368625, - 3294682, - 27343084, - 2786261, - -30633590, - -14097016}, - }, - { - {-14467279, - -683715, - -33374107, - 7448552, - 19294360, - 14334329, - -19690631, - 2355319, - -19284671, - -6114373}, - {15121312, - -15796162, - 6377020, - -6031361, - -10798111, - -12957845, - 18952177, - 15496498, - -29380133, - 11754228}, - {-2637277, - -13483075, - 8488727, - -14303896, - 12728761, - -1622493, - 7141596, - 11724556, - 22761615, - -10134141}, - }, - { - {16918416, - 11729663, - -18083579, - 3022987, - -31015732, - -13339659, - -28741185, - -12227393, - 32851222, - 11717399}, - {11166634, - 7338049, - -6722523, - 4531520, - -29468672, - -7302055, - 31474879, - 3483633, - -1193175, - -4030831}, - {-185635, - 9921305, - 31456609, - -13536438, - -12013818, - 13348923, - 33142652, - 6546660, - -19985279, - -3948376}, - }, - { - {-32460596, - 11266712, - -11197107, - -7899103, - 31703694, - 3855903, - -8537131, - -12833048, - -30772034, - -15486313}, - {-18006477, - 12709068, - 3991746, - -6479188, - -21491523, - -10550425, - -31135347, - -16049879, - 10928917, - 3011958}, - {-6957757, - -15594337, - 31696059, - 334240, - 29576716, - 14796075, - -30831056, - -12805180, - 18008031, - 10258577}, - }, - { - {-22448644, - 15655569, - 7018479, - -4410003, - -30314266, - -1201591, - -1853465, - 1367120, - 25127874, - 6671743}, - {29701166, - -14373934, - -10878120, - 9279288, - -17568, - 13127210, - 21382910, - 11042292, - 25838796, - 4642684}, - {-20430234, - 14955537, - -24126347, - 8124619, - -5369288, - -5990470, - 30468147, - -13900640, - 18423289, - 4177476}, - }, - }, diff --git a/src/crypto/crypto_ops_builder/ref10CommentedCombined/base.py b/src/crypto/crypto_ops_builder/ref10CommentedCombined/base.py deleted file mode 100644 index 84accc8..0000000 --- a/src/crypto/crypto_ops_builder/ref10CommentedCombined/base.py +++ /dev/null @@ -1,65 +0,0 @@ -b = 256 -q = 2**255 - 19 -l = 2**252 + 27742317777372353535851937790883648493 - -def expmod(b,e,m): - if e == 0: return 1 - t = expmod(b,e/2,m)**2 % m - if e & 1: t = (t*b) % m - return t - -def inv(x): - return expmod(x,q-2,q) - -d = -121665 * inv(121666) -I = expmod(2,(q-1)/4,q) - -def xrecover(y): - xx = (y*y-1) * inv(d*y*y+1) - x = expmod(xx,(q+3)/8,q) - if (x*x - xx) % q != 0: x = (x*I) % q - if x % 2 != 0: x = q-x - return x - -By = 4 * inv(5) -Bx = xrecover(By) -B = [Bx % q,By % q] - -def edwards(P,Q): - x1 = P[0] - y1 = P[1] - x2 = Q[0] - y2 = Q[1] - x3 = (x1*y2+x2*y1) * inv(1+d*x1*x2*y1*y2) - y3 = (y1*y2+x1*x2) * inv(1-d*x1*x2*y1*y2) - return [x3 % q,y3 % q] - -def radix255(x): - x = x % q - if x + x > q: x -= q - x = [x,0,0,0,0,0,0,0,0,0] - bits = [26,25,26,25,26,25,26,25,26,25] - for i in range(9): - carry = (x[i] + 2**(bits[i]-1)) / 2**bits[i] - x[i] -= carry * 2**bits[i] - x[i + 1] += carry - result = "" - for i in range(9): - result = result+str(x[i])+"," - result = result+str(x[9]) - return result - -Bi = B -for i in range(32): - print "{" - Bij = Bi - for j in range(8): - print " {" - print " {",radix255(Bij[1]+Bij[0]),"}," - print " {",radix255(Bij[1]-Bij[0]),"}," - print " {",radix255(2*d*Bij[0]*Bij[1]),"}," - Bij = edwards(Bij,Bi) - print " }," - print "}," - for k in range(8): - Bi = edwards(Bi,Bi) diff --git a/src/crypto/crypto_ops_builder/ref10CommentedCombined/base2.h b/src/crypto/crypto_ops_builder/ref10CommentedCombined/base2.h deleted file mode 100644 index f7b784b..0000000 --- a/src/crypto/crypto_ops_builder/ref10CommentedCombined/base2.h +++ /dev/null @@ -1,256 +0,0 @@ -{ - {25967493, - -14356035, - 29566456, - 3660896, - -12694345, - 4014787, - 27544626, - -11754271, - -6079156, - 2047605}, - {-12545711, - 934262, - -2722910, - 3049990, - -727428, - 9406986, - 12720692, - 5043384, - 19500929, - -15469378}, - {-8738181, - 4489570, - 9688441, - -14785194, - 10184609, - -12363380, - 29287919, - 11864899, - -24514362, - -4438546}, -}, - { - {15636291, - -9688557, - 24204773, - -7912398, - 616977, - -16685262, - 27787600, - -14772189, - 28944400, - -1550024}, - {16568933, - 4717097, - -11556148, - -1102322, - 15682896, - -11807043, - 16354577, - -11775962, - 7689662, - 11199574}, - {30464156, - -5976125, - -11779434, - -15670865, - 23220365, - 15915852, - 7512774, - 10017326, - -17749093, - -9920357}, - }, - { - {10861363, - 11473154, - 27284546, - 1981175, - -30064349, - 12577861, - 32867885, - 14515107, - -15438304, - 10819380}, - {4708026, - 6336745, - 20377586, - 9066809, - -11272109, - 6594696, - -25653668, - 12483688, - -12668491, - 5581306}, - {19563160, - 16186464, - -29386857, - 4097519, - 10237984, - -4348115, - 28542350, - 13850243, - -23678021, - -15815942}, - }, - { - {5153746, - 9909285, - 1723747, - -2777874, - 30523605, - 5516873, - 19480852, - 5230134, - -23952439, - -15175766}, - {-30269007, - -3463509, - 7665486, - 10083793, - 28475525, - 1649722, - 20654025, - 16520125, - 30598449, - 7715701}, - {28881845, - 14381568, - 9657904, - 3680757, - -20181635, - 7843316, - -31400660, - 1370708, - 29794553, - -1409300}, - }, - { - {-22518993, - -6692182, - 14201702, - -8745502, - -23510406, - 8844726, - 18474211, - -1361450, - -13062696, - 13821877}, - {-6455177, - -7839871, - 3374702, - -4740862, - -27098617, - -10571707, - 31655028, - -7212327, - 18853322, - -14220951}, - {4566830, - -12963868, - -28974889, - -12240689, - -7602672, - -2830569, - -8514358, - -10431137, - 2207753, - -3209784}, - }, - { - {-25154831, - -4185821, - 29681144, - 7868801, - -6854661, - -9423865, - -12437364, - -663000, - -31111463, - -16132436}, - {25576264, - -2703214, - 7349804, - -11814844, - 16472782, - 9300885, - 3844789, - 15725684, - 171356, - 6466918}, - {23103977, - 13316479, - 9739013, - -16149481, - 817875, - -15038942, - 8965339, - -14088058, - -30714912, - 16193877}, - }, - { - {-33521811, - 3180713, - -2394130, - 14003687, - -16903474, - -16270840, - 17238398, - 4729455, - -18074513, - 9256800}, - {-25182317, - -4174131, - 32336398, - 5036987, - -21236817, - 11360617, - 22616405, - 9761698, - -19827198, - 630305}, - {-13720693, - 2639453, - -24237460, - -7406481, - 9494427, - -5774029, - -6554551, - -15960994, - -2449256, - -14291300}, - }, - { - {-3151181, - -5046075, - 9282714, - 6866145, - -31907062, - -863023, - -18940575, - 15033784, - 25105118, - -7894876}, - {-24326370, - 15950226, - -31801215, - -14592823, - -11662737, - -5090925, - 1573892, - -2625887, - 2198790, - -15804619}, - {-3099351, - 10324967, - -2241613, - 7453183, - -5446979, - -2735503, - -13812022, - -16236442, - -32461234, - -12290683}, - }, diff --git a/src/crypto/crypto_ops_builder/ref10CommentedCombined/base2.py b/src/crypto/crypto_ops_builder/ref10CommentedCombined/base2.py deleted file mode 100644 index 5e4e873..0000000 --- a/src/crypto/crypto_ops_builder/ref10CommentedCombined/base2.py +++ /dev/null @@ -1,60 +0,0 @@ -b = 256 -q = 2**255 - 19 -l = 2**252 + 27742317777372353535851937790883648493 - -def expmod(b,e,m): - if e == 0: return 1 - t = expmod(b,e/2,m)**2 % m - if e & 1: t = (t*b) % m - return t - -def inv(x): - return expmod(x,q-2,q) - -d = -121665 * inv(121666) -I = expmod(2,(q-1)/4,q) - -def xrecover(y): - xx = (y*y-1) * inv(d*y*y+1) - x = expmod(xx,(q+3)/8,q) - if (x*x - xx) % q != 0: x = (x*I) % q - if x % 2 != 0: x = q-x - return x - -By = 4 * inv(5) -Bx = xrecover(By) -B = [Bx % q,By % q] - -def edwards(P,Q): - x1 = P[0] - y1 = P[1] - x2 = Q[0] - y2 = Q[1] - x3 = (x1*y2+x2*y1) * inv(1+d*x1*x2*y1*y2) - y3 = (y1*y2+x1*x2) * inv(1-d*x1*x2*y1*y2) - return [x3 % q,y3 % q] - -def radix255(x): - x = x % q - if x + x > q: x -= q - x = [x,0,0,0,0,0,0,0,0,0] - bits = [26,25,26,25,26,25,26,25,26,25] - for i in range(9): - carry = (x[i] + 2**(bits[i]-1)) / 2**bits[i] - x[i] -= carry * 2**bits[i] - x[i + 1] += carry - result = "" - for i in range(9): - result = result+str(x[i])+"," - result = result+str(x[9]) - return result - -Bi = B - -for i in range(8): - print " {" - print " {",radix255(Bi[1]+Bi[0]),"}," - print " {",radix255(Bi[1]-Bi[0]),"}," - print " {",radix255(2*d*Bi[0]*Bi[1]),"}," - print " }," - Bi = edwards(B,edwards(B,Bi)) diff --git a/src/crypto/crypto_ops_builder/ref10CommentedCombined/crypto-ops.h b/src/crypto/crypto_ops_builder/ref10CommentedCombined/crypto-ops.h deleted file mode 100644 index ad588bb..0000000 --- a/src/crypto/crypto_ops_builder/ref10CommentedCombined/crypto-ops.h +++ /dev/null @@ -1,147 +0,0 @@ -// Copyright (c) 2014-2019, The Monero Project -// -// All rights reserved. -// -// Redistribution and use in source and binary forms, with or without modification, are -// permitted provided that the following conditions are met: -// -// 1. Redistributions of source code must retain the above copyright notice, this list of -// conditions and the following disclaimer. -// -// 2. Redistributions in binary form must reproduce the above copyright notice, this list -// of conditions and the following disclaimer in the documentation and/or other -// materials provided with the distribution. -// -// 3. Neither the name of the copyright holder nor the names of its contributors may be -// used to endorse or promote products derived from this software without specific -// prior written permission. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY -// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF -// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL -// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, -// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, -// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF -// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -// -// Parts of this file are originally copyright (c) 2012-2013 The Cryptonote developers - -#pragma once - -/* From fe.h */ - -typedef int32_t fe[10]; - -/* From ge.h */ - -typedef struct { - fe X; - fe Y; - fe Z; -} ge_p2; - -typedef struct { - fe X; - fe Y; - fe Z; - fe T; -} ge_p3; - -typedef struct { - fe X; - fe Y; - fe Z; - fe T; -} ge_p1p1; - -typedef struct { - fe yplusx; - fe yminusx; - fe xy2d; -} ge_precomp; - -typedef struct { - fe YplusX; - fe YminusX; - fe Z; - fe T2d; -} ge_cached; - -/* From ge_add.c */ - -void ge_add(ge_p1p1*, const ge_p3*, const ge_cached*); - -/* From ge_double_scalarmult.c, modified */ - -typedef ge_cached ge_dsmp[8]; -extern const ge_precomp ge_Bi[8]; -void ge_dsm_precomp(ge_dsmp r, const ge_p3* s); -void ge_double_scalarmult_base_vartime( - ge_p2*, const unsigned char*, const ge_p3*, const unsigned char*); - -/* From ge_frombytes.c, modified */ - -extern const fe fe_sqrtm1; -extern const fe fe_d; -int ge_frombytes_vartime(ge_p3*, const unsigned char*); - -/* From ge_p1p1_to_p2.c */ - -void ge_p1p1_to_p2(ge_p2*, const ge_p1p1*); - -/* From ge_p1p1_to_p3.c */ - -void ge_p1p1_to_p3(ge_p3*, const ge_p1p1*); - -/* From ge_p2_dbl.c */ - -void ge_p2_dbl(ge_p1p1*, const ge_p2*); - -/* From ge_p3_to_cached.c */ - -extern const fe fe_d2; -void ge_p3_to_cached(ge_cached*, const ge_p3*); - -/* From ge_p3_to_p2.c */ - -void ge_p3_to_p2(ge_p2*, const ge_p3*); - -/* From ge_p3_tobytes.c */ - -void ge_p3_tobytes(unsigned char*, const ge_p3*); - -/* From ge_scalarmult_base.c */ - -extern const ge_precomp ge_base[32][8]; -void ge_scalarmult_base(ge_p3*, const unsigned char*); - -/* From ge_tobytes.c */ - -void ge_tobytes(unsigned char*, const ge_p2*); - -/* From sc_reduce.c */ - -void sc_reduce(unsigned char*); - -/* New code */ - -void ge_scalarmult(ge_p2*, const unsigned char*, const ge_p3*); -void ge_double_scalarmult_precomp_vartime( - ge_p2*, const unsigned char*, const ge_p3*, const unsigned char*, const ge_dsmp); -void ge_mul8(ge_p1p1*, const ge_p2*); -extern const fe fe_ma2; -extern const fe fe_ma; -extern const fe fe_fffb1; -extern const fe fe_fffb2; -extern const fe fe_fffb3; -extern const fe fe_fffb4; -void ge_fromfe_frombytes_vartime(ge_p2*, const unsigned char*); -void sc_0(unsigned char*); -void sc_reduce32(unsigned char*); -void sc_add(unsigned char*, const unsigned char*, const unsigned char*); -void sc_sub(unsigned char*, const unsigned char*, const unsigned char*); -void sc_mulsub(unsigned char*, const unsigned char*, const unsigned char*, const unsigned char*); -int sc_check(const unsigned char*); -int sc_isnonzero(const unsigned char*); /* Doesn't normalize */ diff --git a/src/crypto/crypto_ops_builder/ref10CommentedCombined/d.h b/src/crypto/crypto_ops_builder/ref10CommentedCombined/d.h deleted file mode 100644 index b42eacb..0000000 --- a/src/crypto/crypto_ops_builder/ref10CommentedCombined/d.h +++ /dev/null @@ -1 +0,0 @@ -- 10913610, 13857413, -15372611, 6949391, 114729, -8787816, -6275908, -3247719, -18696448, -12055116 diff --git a/src/crypto/crypto_ops_builder/ref10CommentedCombined/d.py b/src/crypto/crypto_ops_builder/ref10CommentedCombined/d.py deleted file mode 100644 index 8995bb8..0000000 --- a/src/crypto/crypto_ops_builder/ref10CommentedCombined/d.py +++ /dev/null @@ -1,28 +0,0 @@ -q = 2**255 - 19 - -def expmod(b,e,m): - if e == 0: return 1 - t = expmod(b,e/2,m)**2 % m - if e & 1: t = (t*b) % m - return t - -def inv(x): - return expmod(x,q-2,q) - -def radix255(x): - x = x % q - if x + x > q: x -= q - x = [x,0,0,0,0,0,0,0,0,0] - bits = [26,25,26,25,26,25,26,25,26,25] - for i in range(9): - carry = (x[i] + 2**(bits[i]-1)) / 2**bits[i] - x[i] -= carry * 2**bits[i] - x[i + 1] += carry - result = "" - for i in range(9): - result = result+str(x[i])+"," - result = result+str(x[9]) - return result - -d = -121665 * inv(121666) -print radix255(d) diff --git a/src/crypto/crypto_ops_builder/ref10CommentedCombined/d2.h b/src/crypto/crypto_ops_builder/ref10CommentedCombined/d2.h deleted file mode 100644 index 3c401c7..0000000 --- a/src/crypto/crypto_ops_builder/ref10CommentedCombined/d2.h +++ /dev/null @@ -1 +0,0 @@ -- 21827239, -5839606, -30745221, 13898782, 229458, 15978800, -12551817, -6495438, 29715968, 9444199 diff --git a/src/crypto/crypto_ops_builder/ref10CommentedCombined/d2.py b/src/crypto/crypto_ops_builder/ref10CommentedCombined/d2.py deleted file mode 100644 index 7984175..0000000 --- a/src/crypto/crypto_ops_builder/ref10CommentedCombined/d2.py +++ /dev/null @@ -1,28 +0,0 @@ -q = 2**255 - 19 - -def expmod(b,e,m): - if e == 0: return 1 - t = expmod(b,e/2,m)**2 % m - if e & 1: t = (t*b) % m - return t - -def inv(x): - return expmod(x,q-2,q) - -def radix255(x): - x = x % q - if x + x > q: x -= q - x = [x,0,0,0,0,0,0,0,0,0] - bits = [26,25,26,25,26,25,26,25,26,25] - for i in range(9): - carry = (x[i] + 2**(bits[i]-1)) / 2**bits[i] - x[i] -= carry * 2**bits[i] - x[i + 1] += carry - result = "" - for i in range(9): - result = result+str(x[i])+"," - result = result+str(x[9]) - return result - -d = -121665 * inv(121666) -print radix255(d*2) diff --git a/src/crypto/crypto_ops_builder/ref10CommentedCombined/description b/src/crypto/crypto_ops_builder/ref10CommentedCombined/description deleted file mode 100644 index 9407b40..0000000 --- a/src/crypto/crypto_ops_builder/ref10CommentedCombined/description +++ /dev/null @@ -1,7 +0,0 @@ -shen_ed25519_ref10 -MakeCryptoOps.py makes crypto-ops.c in the Monero source from the ref10 implementation - -EdDSA signatures using Curve25519 -from https://hyperelliptic.org/ebats/supercop-20141124.tar.bz2 - -Commented / combined by Shen Noether, Monero Research Lab diff --git a/src/crypto/crypto_ops_builder/ref10CommentedCombined/designers b/src/crypto/crypto_ops_builder/ref10CommentedCombined/designers deleted file mode 100644 index 8ee9c73..0000000 --- a/src/crypto/crypto_ops_builder/ref10CommentedCombined/designers +++ /dev/null @@ -1,9 +0,0 @@ -ref10: -Daniel J. Bernstein -Niels Duif -Tanja Lange -Peter Schwabe -Bo-Yin Yang - -MakeCryptoOps.py: -Shen Noether, Monero Research Labs diff --git a/src/crypto/crypto_ops_builder/ref10CommentedCombined/fe.h b/src/crypto/crypto_ops_builder/ref10CommentedCombined/fe.h deleted file mode 100644 index e0ff358..0000000 --- a/src/crypto/crypto_ops_builder/ref10CommentedCombined/fe.h +++ /dev/null @@ -1,56 +0,0 @@ -#ifndef FE_H -#define FE_H - -#include "crypto_int32.h" - -typedef crypto_int32 fe[10]; - -/* -fe means field element. -Here the field is \Z/(2^255-19). -An element t, entries t[0]...t[9], represents the integer -t[0]+2^26 t[1]+2^51 t[2]+2^77 t[3]+2^102 t[4]+...+2^230 t[9]. -Bounds on each t[i] vary depending on context. -*/ - -#define fe_frombytes crypto_sign_ed25519_ref10_fe_frombytes -#define fe_tobytes crypto_sign_ed25519_ref10_fe_tobytes -#define fe_copy crypto_sign_ed25519_ref10_fe_copy -#define fe_isnonzero crypto_sign_ed25519_ref10_fe_isnonzero -#define fe_isnegative crypto_sign_ed25519_ref10_fe_isnegative -#define fe_0 crypto_sign_ed25519_ref10_fe_0 -#define fe_1 crypto_sign_ed25519_ref10_fe_1 -#define fe_cswap crypto_sign_ed25519_ref10_fe_cswap -#define fe_cmov crypto_sign_ed25519_ref10_fe_cmov -#define fe_add crypto_sign_ed25519_ref10_fe_add -#define fe_sub crypto_sign_ed25519_ref10_fe_sub -#define fe_neg crypto_sign_ed25519_ref10_fe_neg -#define fe_mul crypto_sign_ed25519_ref10_fe_mul -#define fe_sq crypto_sign_ed25519_ref10_fe_sq -#define fe_sq2 crypto_sign_ed25519_ref10_fe_sq2 -#define fe_mul121666 crypto_sign_ed25519_ref10_fe_mul121666 -#define fe_invert crypto_sign_ed25519_ref10_fe_invert -#define fe_pow22523 crypto_sign_ed25519_ref10_fe_pow22523 - -extern void fe_frombytes(fe, const unsigned char*); -extern void fe_tobytes(unsigned char*, const fe); - -extern void fe_copy(fe, const fe); -extern int fe_isnonzero(const fe); -extern int fe_isnegative(const fe); -extern void fe_0(fe); -extern void fe_1(fe); -extern void fe_cswap(fe, fe, unsigned int); -extern void fe_cmov(fe, const fe, unsigned int); - -extern void fe_add(fe, const fe, const fe); -extern void fe_sub(fe, const fe, const fe); -extern void fe_neg(fe, const fe); -extern void fe_mul(fe, const fe, const fe); -extern void fe_sq(fe, const fe); -extern void fe_sq2(fe, const fe); -extern void fe_mul121666(fe, const fe); -extern void fe_invert(fe, const fe); -extern void fe_pow22523(fe, const fe); - -#endif diff --git a/src/crypto/crypto_ops_builder/ref10CommentedCombined/fe_0.c b/src/crypto/crypto_ops_builder/ref10CommentedCombined/fe_0.c deleted file mode 100644 index 26d68af..0000000 --- a/src/crypto/crypto_ops_builder/ref10CommentedCombined/fe_0.c +++ /dev/null @@ -1,18 +0,0 @@ -#include "fe.h" - -/* -h = 0 -*/ - -void fe_0(fe h) { - h[0] = 0; - h[1] = 0; - h[2] = 0; - h[3] = 0; - h[4] = 0; - h[5] = 0; - h[6] = 0; - h[7] = 0; - h[8] = 0; - h[9] = 0; -} diff --git a/src/crypto/crypto_ops_builder/ref10CommentedCombined/fe_1.c b/src/crypto/crypto_ops_builder/ref10CommentedCombined/fe_1.c deleted file mode 100644 index dd756ed..0000000 --- a/src/crypto/crypto_ops_builder/ref10CommentedCombined/fe_1.c +++ /dev/null @@ -1,18 +0,0 @@ -#include "fe.h" - -/* -h = 1 -*/ - -void fe_1(fe h) { - h[0] = 1; - h[1] = 0; - h[2] = 0; - h[3] = 0; - h[4] = 0; - h[5] = 0; - h[6] = 0; - h[7] = 0; - h[8] = 0; - h[9] = 0; -} diff --git a/src/crypto/crypto_ops_builder/ref10CommentedCombined/fe_add.c b/src/crypto/crypto_ops_builder/ref10CommentedCombined/fe_add.c deleted file mode 100644 index 67dc27e..0000000 --- a/src/crypto/crypto_ops_builder/ref10CommentedCombined/fe_add.c +++ /dev/null @@ -1,56 +0,0 @@ -#include "fe.h" - -/* -h = f + g -Can overlap h with f or g. - -Preconditions: - |f| bounded by 1.1*2^25,1.1*2^24,1.1*2^25,1.1*2^24,etc. - |g| bounded by 1.1*2^25,1.1*2^24,1.1*2^25,1.1*2^24,etc. - -Postconditions: - |h| bounded by 1.1*2^26,1.1*2^25,1.1*2^26,1.1*2^25,etc. -*/ - -void fe_add(fe h, const fe f, const fe g) { - crypto_int32 f0 = f[0]; - crypto_int32 f1 = f[1]; - crypto_int32 f2 = f[2]; - crypto_int32 f3 = f[3]; - crypto_int32 f4 = f[4]; - crypto_int32 f5 = f[5]; - crypto_int32 f6 = f[6]; - crypto_int32 f7 = f[7]; - crypto_int32 f8 = f[8]; - crypto_int32 f9 = f[9]; - crypto_int32 g0 = g[0]; - crypto_int32 g1 = g[1]; - crypto_int32 g2 = g[2]; - crypto_int32 g3 = g[3]; - crypto_int32 g4 = g[4]; - crypto_int32 g5 = g[5]; - crypto_int32 g6 = g[6]; - crypto_int32 g7 = g[7]; - crypto_int32 g8 = g[8]; - crypto_int32 g9 = g[9]; - crypto_int32 h0 = f0 + g0; - crypto_int32 h1 = f1 + g1; - crypto_int32 h2 = f2 + g2; - crypto_int32 h3 = f3 + g3; - crypto_int32 h4 = f4 + g4; - crypto_int32 h5 = f5 + g5; - crypto_int32 h6 = f6 + g6; - crypto_int32 h7 = f7 + g7; - crypto_int32 h8 = f8 + g8; - crypto_int32 h9 = f9 + g9; - h[0] = h0; - h[1] = h1; - h[2] = h2; - h[3] = h3; - h[4] = h4; - h[5] = h5; - h[6] = h6; - h[7] = h7; - h[8] = h8; - h[9] = h9; -} diff --git a/src/crypto/crypto_ops_builder/ref10CommentedCombined/fe_cmov.c b/src/crypto/crypto_ops_builder/ref10CommentedCombined/fe_cmov.c deleted file mode 100644 index 9829e26..0000000 --- a/src/crypto/crypto_ops_builder/ref10CommentedCombined/fe_cmov.c +++ /dev/null @@ -1,62 +0,0 @@ -#include "fe.h" - -/* -Replace (f,g) with (g,g) if b == 1; -replace (f,g) with (f,g) if b == 0. - -Preconditions: b in {0,1}. -*/ - -void fe_cmov(fe f, const fe g, unsigned int b) { - crypto_int32 f0 = f[0]; - crypto_int32 f1 = f[1]; - crypto_int32 f2 = f[2]; - crypto_int32 f3 = f[3]; - crypto_int32 f4 = f[4]; - crypto_int32 f5 = f[5]; - crypto_int32 f6 = f[6]; - crypto_int32 f7 = f[7]; - crypto_int32 f8 = f[8]; - crypto_int32 f9 = f[9]; - crypto_int32 g0 = g[0]; - crypto_int32 g1 = g[1]; - crypto_int32 g2 = g[2]; - crypto_int32 g3 = g[3]; - crypto_int32 g4 = g[4]; - crypto_int32 g5 = g[5]; - crypto_int32 g6 = g[6]; - crypto_int32 g7 = g[7]; - crypto_int32 g8 = g[8]; - crypto_int32 g9 = g[9]; - crypto_int32 x0 = f0 ^ g0; - crypto_int32 x1 = f1 ^ g1; - crypto_int32 x2 = f2 ^ g2; - crypto_int32 x3 = f3 ^ g3; - crypto_int32 x4 = f4 ^ g4; - crypto_int32 x5 = f5 ^ g5; - crypto_int32 x6 = f6 ^ g6; - crypto_int32 x7 = f7 ^ g7; - crypto_int32 x8 = f8 ^ g8; - crypto_int32 x9 = f9 ^ g9; - b = -b; - x0 &= b; - x1 &= b; - x2 &= b; - x3 &= b; - x4 &= b; - x5 &= b; - x6 &= b; - x7 &= b; - x8 &= b; - x9 &= b; - f[0] = f0 ^ x0; - f[1] = f1 ^ x1; - f[2] = f2 ^ x2; - f[3] = f3 ^ x3; - f[4] = f4 ^ x4; - f[5] = f5 ^ x5; - f[6] = f6 ^ x6; - f[7] = f7 ^ x7; - f[8] = f8 ^ x8; - f[9] = f9 ^ x9; -} diff --git a/src/crypto/crypto_ops_builder/ref10CommentedCombined/fe_copy.c b/src/crypto/crypto_ops_builder/ref10CommentedCombined/fe_copy.c deleted file mode 100644 index a8f95a4..0000000 --- a/src/crypto/crypto_ops_builder/ref10CommentedCombined/fe_copy.c +++ /dev/null @@ -1,28 +0,0 @@ -#include "fe.h" - -/* -h = f -*/ - -void fe_copy(fe h, const fe f) { - crypto_int32 f0 = f[0]; - crypto_int32 f1 = f[1]; - crypto_int32 f2 = f[2]; - crypto_int32 f3 = f[3]; - crypto_int32 f4 = f[4]; - crypto_int32 f5 = f[5]; - crypto_int32 f6 = f[6]; - crypto_int32 f7 = f[7]; - crypto_int32 f8 = f[8]; - crypto_int32 f9 = f[9]; - h[0] = f0; - h[1] = f1; - h[2] = f2; - h[3] = f3; - h[4] = f4; - h[5] = f5; - h[6] = f6; - h[7] = f7; - h[8] = f8; - h[9] = f9; -} diff --git a/src/crypto/crypto_ops_builder/ref10CommentedCombined/fe_frombytes.c b/src/crypto/crypto_ops_builder/ref10CommentedCombined/fe_frombytes.c deleted file mode 100644 index 87ec24c..0000000 --- a/src/crypto/crypto_ops_builder/ref10CommentedCombined/fe_frombytes.c +++ /dev/null @@ -1,90 +0,0 @@ -#include "crypto_int64.h" -#include "crypto_uint64.h" -#include "fe.h" - -static crypto_uint64 load_3(const unsigned char* in) { - crypto_uint64 result; - result = (crypto_uint64)in[0]; - result |= ((crypto_uint64)in[1]) << 8; - result |= ((crypto_uint64)in[2]) << 16; - return result; -} - -static crypto_uint64 load_4(const unsigned char* in) { - crypto_uint64 result; - result = (crypto_uint64)in[0]; - result |= ((crypto_uint64)in[1]) << 8; - result |= ((crypto_uint64)in[2]) << 16; - result |= ((crypto_uint64)in[3]) << 24; - return result; -} - -/* -Ignores top bit of h. -*/ - -void fe_frombytes(fe h, const unsigned char* s) { - crypto_int64 h0 = load_4(s); - crypto_int64 h1 = load_3(s + 4) << 6; - crypto_int64 h2 = load_3(s + 7) << 5; - crypto_int64 h3 = load_3(s + 10) << 3; - crypto_int64 h4 = load_3(s + 13) << 2; - crypto_int64 h5 = load_4(s + 16); - crypto_int64 h6 = load_3(s + 20) << 7; - crypto_int64 h7 = load_3(s + 23) << 5; - crypto_int64 h8 = load_3(s + 26) << 4; - crypto_int64 h9 = (load_3(s + 29) & 8388607) << 2; - crypto_int64 carry0; - crypto_int64 carry1; - crypto_int64 carry2; - crypto_int64 carry3; - crypto_int64 carry4; - crypto_int64 carry5; - crypto_int64 carry6; - crypto_int64 carry7; - crypto_int64 carry8; - crypto_int64 carry9; - - carry9 = (h9 + (crypto_int64)(1 << 24)) >> 25; - h0 += carry9 * 19; - h9 -= carry9 << 25; - carry1 = (h1 + (crypto_int64)(1 << 24)) >> 25; - h2 += carry1; - h1 -= carry1 << 25; - carry3 = (h3 + (crypto_int64)(1 << 24)) >> 25; - h4 += carry3; - h3 -= carry3 << 25; - carry5 = (h5 + (crypto_int64)(1 << 24)) >> 25; - h6 += carry5; - h5 -= carry5 << 25; - carry7 = (h7 + (crypto_int64)(1 << 24)) >> 25; - h8 += carry7; - h7 -= carry7 << 25; - - carry0 = (h0 + (crypto_int64)(1 << 25)) >> 26; - h1 += carry0; - h0 -= carry0 << 26; - carry2 = (h2 + (crypto_int64)(1 << 25)) >> 26; - h3 += carry2; - h2 -= carry2 << 26; - carry4 = (h4 + (crypto_int64)(1 << 25)) >> 26; - h5 += carry4; - h4 -= carry4 << 26; - carry6 = (h6 + (crypto_int64)(1 << 25)) >> 26; - h7 += carry6; - h6 -= carry6 << 26; - carry8 = (h8 + (crypto_int64)(1 << 25)) >> 26; - h9 += carry8; - h8 -= carry8 << 26; - - h[0] = h0; - h[1] = h1; - h[2] = h2; - h[3] = h3; - h[4] = h4; - h[5] = h5; - h[6] = h6; - h[7] = h7; - h[8] = h8; - h[9] = h9; -} diff --git a/src/crypto/crypto_ops_builder/ref10CommentedCombined/fe_invert.c b/src/crypto/crypto_ops_builder/ref10CommentedCombined/fe_invert.c deleted file mode 100644 index 81c619c..0000000 --- a/src/crypto/crypto_ops_builder/ref10CommentedCombined/fe_invert.c +++ /dev/null @@ -1,13 +0,0 @@ -#include "fe.h" - -void fe_invert(fe out, const fe z) { - fe t0; - fe t1; - fe t2; - fe t3; - int i; - -#include "pow225521.h" - - return; -} diff --git a/src/crypto/crypto_ops_builder/ref10CommentedCombined/fe_isnegative.c b/src/crypto/crypto_ops_builder/ref10CommentedCombined/fe_isnegative.c deleted file mode 100644 index fde56ef..0000000 --- a/src/crypto/crypto_ops_builder/ref10CommentedCombined/fe_isnegative.c +++ /dev/null @@ -1,15 +0,0 @@ -#include "fe.h" - -/* -return 1 if f is in {1,3,5,...,q-2} -return 0 if f is in {0,2,4,...,q-1} - -Preconditions: - |f| bounded by 1.1*2^26,1.1*2^25,1.1*2^26,1.1*2^25,etc. -*/ - -int fe_isnegative(const fe f) { - unsigned char s[32]; - fe_tobytes(s, f); - return s[0] & 1; -} diff --git a/src/crypto/crypto_ops_builder/ref10CommentedCombined/fe_isnonzero.c b/src/crypto/crypto_ops_builder/ref10CommentedCombined/fe_isnonzero.c deleted file mode 100644 index 065f4d0..0000000 --- a/src/crypto/crypto_ops_builder/ref10CommentedCombined/fe_isnonzero.c +++ /dev/null @@ -1,18 +0,0 @@ -#include "crypto_verify_32.h" -#include "fe.h" - -/* -return 1 if f == 0 -return 0 if f != 0 - -Preconditions: - |f| bounded by 1.1*2^26,1.1*2^25,1.1*2^26,1.1*2^25,etc. -*/ - -static const unsigned char zero[32]; - -int fe_isnonzero(const fe f) { - unsigned char s[32]; - fe_tobytes(s, f); - return crypto_verify_32(s, zero); -} diff --git a/src/crypto/crypto_ops_builder/ref10CommentedCombined/fe_mul.c b/src/crypto/crypto_ops_builder/ref10CommentedCombined/fe_mul.c deleted file mode 100644 index 6fc1602..0000000 --- a/src/crypto/crypto_ops_builder/ref10CommentedCombined/fe_mul.c +++ /dev/null @@ -1,284 +0,0 @@ -#include "crypto_int64.h" -#include "fe.h" - -/* -h = f * g -Can overlap h with f or g. - -Preconditions: - |f| bounded by 1.65*2^26,1.65*2^25,1.65*2^26,1.65*2^25,etc. - |g| bounded by 1.65*2^26,1.65*2^25,1.65*2^26,1.65*2^25,etc. - -Postconditions: - |h| bounded by 1.01*2^25,1.01*2^24,1.01*2^25,1.01*2^24,etc. -*/ - -/* -Notes on implementation strategy: - -Using schoolbook multiplication. -Karatsuba would save a little in some cost models. - -Most multiplications by 2 and 19 are 32-bit precomputations; -cheaper than 64-bit postcomputations. - -There is one remaining multiplication by 19 in the carry chain; -one *19 precomputation can be merged into this, -but the resulting data flow is considerably less clean. - -There are 12 carries below. -10 of them are 2-way parallelizable and vectorizable. -Can get away with 11 carries, but then data flow is much deeper. - -With tighter constraints on inputs can squeeze carries into int32. -*/ - -void fe_mul(fe h, const fe f, const fe g) { - crypto_int32 f0 = f[0]; - crypto_int32 f1 = f[1]; - crypto_int32 f2 = f[2]; - crypto_int32 f3 = f[3]; - crypto_int32 f4 = f[4]; - crypto_int32 f5 = f[5]; - crypto_int32 f6 = f[6]; - crypto_int32 f7 = f[7]; - crypto_int32 f8 = f[8]; - crypto_int32 f9 = f[9]; - crypto_int32 g0 = g[0]; - crypto_int32 g1 = g[1]; - crypto_int32 g2 = g[2]; - crypto_int32 g3 = g[3]; - crypto_int32 g4 = g[4]; - crypto_int32 g5 = g[5]; - crypto_int32 g6 = g[6]; - crypto_int32 g7 = g[7]; - crypto_int32 g8 = g[8]; - crypto_int32 g9 = g[9]; - crypto_int32 g1_19 = 19 * g1; /* 1.959375*2^29 */ - crypto_int32 g2_19 = 19 * g2; /* 1.959375*2^30; still ok */ - crypto_int32 g3_19 = 19 * g3; - crypto_int32 g4_19 = 19 * g4; - crypto_int32 g5_19 = 19 * g5; - crypto_int32 g6_19 = 19 * g6; - crypto_int32 g7_19 = 19 * g7; - crypto_int32 g8_19 = 19 * g8; - crypto_int32 g9_19 = 19 * g9; - crypto_int32 f1_2 = 2 * f1; - crypto_int32 f3_2 = 2 * f3; - crypto_int32 f5_2 = 2 * f5; - crypto_int32 f7_2 = 2 * f7; - crypto_int32 f9_2 = 2 * f9; - crypto_int64 f0g0 = f0 * (crypto_int64)g0; - crypto_int64 f0g1 = f0 * (crypto_int64)g1; - crypto_int64 f0g2 = f0 * (crypto_int64)g2; - crypto_int64 f0g3 = f0 * (crypto_int64)g3; - crypto_int64 f0g4 = f0 * (crypto_int64)g4; - crypto_int64 f0g5 = f0 * (crypto_int64)g5; - crypto_int64 f0g6 = f0 * (crypto_int64)g6; - crypto_int64 f0g7 = f0 * (crypto_int64)g7; - crypto_int64 f0g8 = f0 * (crypto_int64)g8; - crypto_int64 f0g9 = f0 * (crypto_int64)g9; - crypto_int64 f1g0 = f1 * (crypto_int64)g0; - crypto_int64 f1g1_2 = f1_2 * (crypto_int64)g1; - crypto_int64 f1g2 = f1 * (crypto_int64)g2; - crypto_int64 f1g3_2 = f1_2 * (crypto_int64)g3; - crypto_int64 f1g4 = f1 * (crypto_int64)g4; - crypto_int64 f1g5_2 = f1_2 * (crypto_int64)g5; - crypto_int64 f1g6 = f1 * (crypto_int64)g6; - crypto_int64 f1g7_2 = f1_2 * (crypto_int64)g7; - crypto_int64 f1g8 = f1 * (crypto_int64)g8; - crypto_int64 f1g9_38 = f1_2 * (crypto_int64)g9_19; - crypto_int64 f2g0 = f2 * (crypto_int64)g0; - crypto_int64 f2g1 = f2 * (crypto_int64)g1; - crypto_int64 f2g2 = f2 * (crypto_int64)g2; - crypto_int64 f2g3 = f2 * (crypto_int64)g3; - crypto_int64 f2g4 = f2 * (crypto_int64)g4; - crypto_int64 f2g5 = f2 * (crypto_int64)g5; - crypto_int64 f2g6 = f2 * (crypto_int64)g6; - crypto_int64 f2g7 = f2 * (crypto_int64)g7; - crypto_int64 f2g8_19 = f2 * (crypto_int64)g8_19; - crypto_int64 f2g9_19 = f2 * (crypto_int64)g9_19; - crypto_int64 f3g0 = f3 * (crypto_int64)g0; - crypto_int64 f3g1_2 = f3_2 * (crypto_int64)g1; - crypto_int64 f3g2 = f3 * (crypto_int64)g2; - crypto_int64 f3g3_2 = f3_2 * (crypto_int64)g3; - crypto_int64 f3g4 = f3 * (crypto_int64)g4; - crypto_int64 f3g5_2 = f3_2 * (crypto_int64)g5; - crypto_int64 f3g6 = f3 * (crypto_int64)g6; - crypto_int64 f3g7_38 = f3_2 * (crypto_int64)g7_19; - crypto_int64 f3g8_19 = f3 * (crypto_int64)g8_19; - crypto_int64 f3g9_38 = f3_2 * (crypto_int64)g9_19; - crypto_int64 f4g0 = f4 * (crypto_int64)g0; - crypto_int64 f4g1 = f4 * (crypto_int64)g1; - crypto_int64 f4g2 = f4 * (crypto_int64)g2; - crypto_int64 f4g3 = f4 * (crypto_int64)g3; - crypto_int64 f4g4 = f4 * (crypto_int64)g4; - crypto_int64 f4g5 = f4 * (crypto_int64)g5; - crypto_int64 f4g6_19 = f4 * (crypto_int64)g6_19; - crypto_int64 f4g7_19 = f4 * (crypto_int64)g7_19; - crypto_int64 f4g8_19 = f4 * (crypto_int64)g8_19; - crypto_int64 f4g9_19 = f4 * (crypto_int64)g9_19; - crypto_int64 f5g0 = f5 * (crypto_int64)g0; - crypto_int64 f5g1_2 = f5_2 * (crypto_int64)g1; - crypto_int64 f5g2 = f5 * (crypto_int64)g2; - crypto_int64 f5g3_2 = f5_2 * (crypto_int64)g3; - crypto_int64 f5g4 = f5 * (crypto_int64)g4; - crypto_int64 f5g5_38 = f5_2 * (crypto_int64)g5_19; - crypto_int64 f5g6_19 = f5 * (crypto_int64)g6_19; - crypto_int64 f5g7_38 = f5_2 * (crypto_int64)g7_19; - crypto_int64 f5g8_19 = f5 * (crypto_int64)g8_19; - crypto_int64 f5g9_38 = f5_2 * (crypto_int64)g9_19; - crypto_int64 f6g0 = f6 * (crypto_int64)g0; - crypto_int64 f6g1 = f6 * (crypto_int64)g1; - crypto_int64 f6g2 = f6 * (crypto_int64)g2; - crypto_int64 f6g3 = f6 * (crypto_int64)g3; - crypto_int64 f6g4_19 = f6 * (crypto_int64)g4_19; - crypto_int64 f6g5_19 = f6 * (crypto_int64)g5_19; - crypto_int64 f6g6_19 = f6 * (crypto_int64)g6_19; - crypto_int64 f6g7_19 = f6 * (crypto_int64)g7_19; - crypto_int64 f6g8_19 = f6 * (crypto_int64)g8_19; - crypto_int64 f6g9_19 = f6 * (crypto_int64)g9_19; - crypto_int64 f7g0 = f7 * (crypto_int64)g0; - crypto_int64 f7g1_2 = f7_2 * (crypto_int64)g1; - crypto_int64 f7g2 = f7 * (crypto_int64)g2; - crypto_int64 f7g3_38 = f7_2 * (crypto_int64)g3_19; - crypto_int64 f7g4_19 = f7 * (crypto_int64)g4_19; - crypto_int64 f7g5_38 = f7_2 * (crypto_int64)g5_19; - crypto_int64 f7g6_19 = f7 * (crypto_int64)g6_19; - crypto_int64 f7g7_38 = f7_2 * (crypto_int64)g7_19; - crypto_int64 f7g8_19 = f7 * (crypto_int64)g8_19; - crypto_int64 f7g9_38 = f7_2 * (crypto_int64)g9_19; - crypto_int64 f8g0 = f8 * (crypto_int64)g0; - crypto_int64 f8g1 = f8 * (crypto_int64)g1; - crypto_int64 f8g2_19 = f8 * (crypto_int64)g2_19; - crypto_int64 f8g3_19 = f8 * (crypto_int64)g3_19; - crypto_int64 f8g4_19 = f8 * (crypto_int64)g4_19; - crypto_int64 f8g5_19 = f8 * (crypto_int64)g5_19; - crypto_int64 f8g6_19 = f8 * (crypto_int64)g6_19; - crypto_int64 f8g7_19 = f8 * (crypto_int64)g7_19; - crypto_int64 f8g8_19 = f8 * (crypto_int64)g8_19; - crypto_int64 f8g9_19 = f8 * (crypto_int64)g9_19; - crypto_int64 f9g0 = f9 * (crypto_int64)g0; - crypto_int64 f9g1_38 = f9_2 * (crypto_int64)g1_19; - crypto_int64 f9g2_19 = f9 * (crypto_int64)g2_19; - crypto_int64 f9g3_38 = f9_2 * (crypto_int64)g3_19; - crypto_int64 f9g4_19 = f9 * (crypto_int64)g4_19; - crypto_int64 f9g5_38 = f9_2 * (crypto_int64)g5_19; - crypto_int64 f9g6_19 = f9 * (crypto_int64)g6_19; - crypto_int64 f9g7_38 = f9_2 * (crypto_int64)g7_19; - crypto_int64 f9g8_19 = f9 * (crypto_int64)g8_19; - crypto_int64 f9g9_38 = f9_2 * (crypto_int64)g9_19; - crypto_int64 h0 = f0g0 + f1g9_38 + f2g8_19 + f3g7_38 + f4g6_19 + f5g5_38 + f6g4_19 + f7g3_38 + - f8g2_19 + f9g1_38; - crypto_int64 h1 = f0g1 + f1g0 + f2g9_19 + f3g8_19 + f4g7_19 + f5g6_19 + f6g5_19 + f7g4_19 + - f8g3_19 + f9g2_19; - crypto_int64 h2 = f0g2 + f1g1_2 + f2g0 + f3g9_38 + f4g8_19 + f5g7_38 + f6g6_19 + f7g5_38 + - f8g4_19 + f9g3_38; - crypto_int64 h3 = - f0g3 + f1g2 + f2g1 + f3g0 + f4g9_19 + f5g8_19 + f6g7_19 + f7g6_19 + f8g5_19 + f9g4_19; - crypto_int64 h4 = - f0g4 + f1g3_2 + f2g2 + f3g1_2 + f4g0 + f5g9_38 + f6g8_19 + f7g7_38 + f8g6_19 + f9g5_38; - crypto_int64 h5 = - f0g5 + f1g4 + f2g3 + f3g2 + f4g1 + f5g0 + f6g9_19 + f7g8_19 + f8g7_19 + f9g6_19; - crypto_int64 h6 = - f0g6 + f1g5_2 + f2g4 + f3g3_2 + f4g2 + f5g1_2 + f6g0 + f7g9_38 + f8g8_19 + f9g7_38; - crypto_int64 h7 = f0g7 + f1g6 + f2g5 + f3g4 + f4g3 + f5g2 + f6g1 + f7g0 + f8g9_19 + f9g8_19; - crypto_int64 h8 = - f0g8 + f1g7_2 + f2g6 + f3g5_2 + f4g4 + f5g3_2 + f6g2 + f7g1_2 + f8g0 + f9g9_38; - crypto_int64 h9 = f0g9 + f1g8 + f2g7 + f3g6 + f4g5 + f5g4 + f6g3 + f7g2 + f8g1 + f9g0; - crypto_int64 carry0; - crypto_int64 carry1; - crypto_int64 carry2; - crypto_int64 carry3; - crypto_int64 carry4; - crypto_int64 carry5; - crypto_int64 carry6; - crypto_int64 carry7; - crypto_int64 carry8; - crypto_int64 carry9; - - /* - |h0| <= (1.65*1.65*2^52*(1+19+19+19+19)+1.65*1.65*2^50*(38+38+38+38+38)) - i.e. |h0| <= 1.4*2^60; narrower ranges for h2, h4, h6, h8 - |h1| <= (1.65*1.65*2^51*(1+1+19+19+19+19+19+19+19+19)) - i.e. |h1| <= 1.7*2^59; narrower ranges for h3, h5, h7, h9 - */ - - carry0 = (h0 + (crypto_int64)(1 << 25)) >> 26; - h1 += carry0; - h0 -= carry0 << 26; - carry4 = (h4 + (crypto_int64)(1 << 25)) >> 26; - h5 += carry4; - h4 -= carry4 << 26; - /* |h0| <= 2^25 */ - /* |h4| <= 2^25 */ - /* |h1| <= 1.71*2^59 */ - /* |h5| <= 1.71*2^59 */ - - carry1 = (h1 + (crypto_int64)(1 << 24)) >> 25; - h2 += carry1; - h1 -= carry1 << 25; - carry5 = (h5 + (crypto_int64)(1 << 24)) >> 25; - h6 += carry5; - h5 -= carry5 << 25; - /* |h1| <= 2^24; from now on fits into int32 */ - /* |h5| <= 2^24; from now on fits into int32 */ - /* |h2| <= 1.41*2^60 */ - /* |h6| <= 1.41*2^60 */ - - carry2 = (h2 + (crypto_int64)(1 << 25)) >> 26; - h3 += carry2; - h2 -= carry2 << 26; - carry6 = (h6 + (crypto_int64)(1 << 25)) >> 26; - h7 += carry6; - h6 -= carry6 << 26; - /* |h2| <= 2^25; from now on fits into int32 unchanged */ - /* |h6| <= 2^25; from now on fits into int32 unchanged */ - /* |h3| <= 1.71*2^59 */ - /* |h7| <= 1.71*2^59 */ - - carry3 = (h3 + (crypto_int64)(1 << 24)) >> 25; - h4 += carry3; - h3 -= carry3 << 25; - carry7 = (h7 + (crypto_int64)(1 << 24)) >> 25; - h8 += carry7; - h7 -= carry7 << 25; - /* |h3| <= 2^24; from now on fits into int32 unchanged */ - /* |h7| <= 2^24; from now on fits into int32 unchanged */ - /* |h4| <= 1.72*2^34 */ - /* |h8| <= 1.41*2^60 */ - - carry4 = (h4 + (crypto_int64)(1 << 25)) >> 26; - h5 += carry4; - h4 -= carry4 << 26; - carry8 = (h8 + (crypto_int64)(1 << 25)) >> 26; - h9 += carry8; - h8 -= carry8 << 26; - /* |h4| <= 2^25; from now on fits into int32 unchanged */ - /* |h8| <= 2^25; from now on fits into int32 unchanged */ - /* |h5| <= 1.01*2^24 */ - /* |h9| <= 1.71*2^59 */ - - carry9 = (h9 + (crypto_int64)(1 << 24)) >> 25; - h0 += carry9 * 19; - h9 -= carry9 << 25; - /* |h9| <= 2^24; from now on fits into int32 unchanged */ - /* |h0| <= 1.1*2^39 */ - - carry0 = (h0 + (crypto_int64)(1 << 25)) >> 26; - h1 += carry0; - h0 -= carry0 << 26; - /* |h0| <= 2^25; from now on fits into int32 unchanged */ - /* |h1| <= 1.01*2^24 */ - - h[0] = h0; - h[1] = h1; - h[2] = h2; - h[3] = h3; - h[4] = h4; - h[5] = h5; - h[6] = h6; - h[7] = h7; - h[8] = h8; - h[9] = h9; -} diff --git a/src/crypto/crypto_ops_builder/ref10CommentedCombined/fe_neg.c b/src/crypto/crypto_ops_builder/ref10CommentedCombined/fe_neg.c deleted file mode 100644 index 4c913ba..0000000 --- a/src/crypto/crypto_ops_builder/ref10CommentedCombined/fe_neg.c +++ /dev/null @@ -1,44 +0,0 @@ -#include "fe.h" - -/* -h = -f - -Preconditions: - |f| bounded by 1.1*2^25,1.1*2^24,1.1*2^25,1.1*2^24,etc. - -Postconditions: - |h| bounded by 1.1*2^25,1.1*2^24,1.1*2^25,1.1*2^24,etc. -*/ - -void fe_neg(fe h, const fe f) { - crypto_int32 f0 = f[0]; - crypto_int32 f1 = f[1]; - crypto_int32 f2 = f[2]; - crypto_int32 f3 = f[3]; - crypto_int32 f4 = f[4]; - crypto_int32 f5 = f[5]; - crypto_int32 f6 = f[6]; - crypto_int32 f7 = f[7]; - crypto_int32 f8 = f[8]; - crypto_int32 f9 = f[9]; - crypto_int32 h0 = -f0; - crypto_int32 h1 = -f1; - crypto_int32 h2 = -f2; - crypto_int32 h3 = -f3; - crypto_int32 h4 = -f4; - crypto_int32 h5 = -f5; - crypto_int32 h6 = -f6; - crypto_int32 h7 = -f7; - crypto_int32 h8 = -f8; - crypto_int32 h9 = -f9; - h[0] = h0; - h[1] = h1; - h[2] = h2; - h[3] = h3; - h[4] = h4; - h[5] = h5; - h[6] = h6; - h[7] = h7; - h[8] = h8; - h[9] = h9; -} diff --git a/src/crypto/crypto_ops_builder/ref10CommentedCombined/fe_pow22523.c b/src/crypto/crypto_ops_builder/ref10CommentedCombined/fe_pow22523.c deleted file mode 100644 index fa808f2..0000000 --- a/src/crypto/crypto_ops_builder/ref10CommentedCombined/fe_pow22523.c +++ /dev/null @@ -1,12 +0,0 @@ -#include "fe.h" - -void fe_pow22523(fe out, const fe z) { - fe t0; - fe t1; - fe t2; - int i; - -#include "pow22523.h" - - return; -} diff --git a/src/crypto/crypto_ops_builder/ref10CommentedCombined/fe_sq.c b/src/crypto/crypto_ops_builder/ref10CommentedCombined/fe_sq.c deleted file mode 100644 index 3e4a008..0000000 --- a/src/crypto/crypto_ops_builder/ref10CommentedCombined/fe_sq.c +++ /dev/null @@ -1,172 +0,0 @@ -#include "crypto_int64.h" -#include "fe.h" - -/* -h = f * f -Can overlap h with f. - -Preconditions: - |f| bounded by 1.65*2^26,1.65*2^25,1.65*2^26,1.65*2^25,etc. - -Postconditions: - |h| bounded by 1.01*2^25,1.01*2^24,1.01*2^25,1.01*2^24,etc. -*/ - -/* -See fe_mul.c for discussion of implementation strategy. -*/ - -void fe_sq(fe h, const fe f) { - crypto_int32 f0 = f[0]; - crypto_int32 f1 = f[1]; - crypto_int32 f2 = f[2]; - crypto_int32 f3 = f[3]; - crypto_int32 f4 = f[4]; - crypto_int32 f5 = f[5]; - crypto_int32 f6 = f[6]; - crypto_int32 f7 = f[7]; - crypto_int32 f8 = f[8]; - crypto_int32 f9 = f[9]; - crypto_int32 f0_2 = 2 * f0; - crypto_int32 f1_2 = 2 * f1; - crypto_int32 f2_2 = 2 * f2; - crypto_int32 f3_2 = 2 * f3; - crypto_int32 f4_2 = 2 * f4; - crypto_int32 f5_2 = 2 * f5; - crypto_int32 f6_2 = 2 * f6; - crypto_int32 f7_2 = 2 * f7; - crypto_int32 f5_38 = 38 * f5; /* 1.959375*2^30 */ - crypto_int32 f6_19 = 19 * f6; /* 1.959375*2^30 */ - crypto_int32 f7_38 = 38 * f7; /* 1.959375*2^30 */ - crypto_int32 f8_19 = 19 * f8; /* 1.959375*2^30 */ - crypto_int32 f9_38 = 38 * f9; /* 1.959375*2^30 */ - crypto_int64 f0f0 = f0 * (crypto_int64)f0; - crypto_int64 f0f1_2 = f0_2 * (crypto_int64)f1; - crypto_int64 f0f2_2 = f0_2 * (crypto_int64)f2; - crypto_int64 f0f3_2 = f0_2 * (crypto_int64)f3; - crypto_int64 f0f4_2 = f0_2 * (crypto_int64)f4; - crypto_int64 f0f5_2 = f0_2 * (crypto_int64)f5; - crypto_int64 f0f6_2 = f0_2 * (crypto_int64)f6; - crypto_int64 f0f7_2 = f0_2 * (crypto_int64)f7; - crypto_int64 f0f8_2 = f0_2 * (crypto_int64)f8; - crypto_int64 f0f9_2 = f0_2 * (crypto_int64)f9; - crypto_int64 f1f1_2 = f1_2 * (crypto_int64)f1; - crypto_int64 f1f2_2 = f1_2 * (crypto_int64)f2; - crypto_int64 f1f3_4 = f1_2 * (crypto_int64)f3_2; - crypto_int64 f1f4_2 = f1_2 * (crypto_int64)f4; - crypto_int64 f1f5_4 = f1_2 * (crypto_int64)f5_2; - crypto_int64 f1f6_2 = f1_2 * (crypto_int64)f6; - crypto_int64 f1f7_4 = f1_2 * (crypto_int64)f7_2; - crypto_int64 f1f8_2 = f1_2 * (crypto_int64)f8; - crypto_int64 f1f9_76 = f1_2 * (crypto_int64)f9_38; - crypto_int64 f2f2 = f2 * (crypto_int64)f2; - crypto_int64 f2f3_2 = f2_2 * (crypto_int64)f3; - crypto_int64 f2f4_2 = f2_2 * (crypto_int64)f4; - crypto_int64 f2f5_2 = f2_2 * (crypto_int64)f5; - crypto_int64 f2f6_2 = f2_2 * (crypto_int64)f6; - crypto_int64 f2f7_2 = f2_2 * (crypto_int64)f7; - crypto_int64 f2f8_38 = f2_2 * (crypto_int64)f8_19; - crypto_int64 f2f9_38 = f2 * (crypto_int64)f9_38; - crypto_int64 f3f3_2 = f3_2 * (crypto_int64)f3; - crypto_int64 f3f4_2 = f3_2 * (crypto_int64)f4; - crypto_int64 f3f5_4 = f3_2 * (crypto_int64)f5_2; - crypto_int64 f3f6_2 = f3_2 * (crypto_int64)f6; - crypto_int64 f3f7_76 = f3_2 * (crypto_int64)f7_38; - crypto_int64 f3f8_38 = f3_2 * (crypto_int64)f8_19; - crypto_int64 f3f9_76 = f3_2 * (crypto_int64)f9_38; - crypto_int64 f4f4 = f4 * (crypto_int64)f4; - crypto_int64 f4f5_2 = f4_2 * (crypto_int64)f5; - crypto_int64 f4f6_38 = f4_2 * (crypto_int64)f6_19; - crypto_int64 f4f7_38 = f4 * (crypto_int64)f7_38; - crypto_int64 f4f8_38 = f4_2 * (crypto_int64)f8_19; - crypto_int64 f4f9_38 = f4 * (crypto_int64)f9_38; - crypto_int64 f5f5_38 = f5 * (crypto_int64)f5_38; - crypto_int64 f5f6_38 = f5_2 * (crypto_int64)f6_19; - crypto_int64 f5f7_76 = f5_2 * (crypto_int64)f7_38; - crypto_int64 f5f8_38 = f5_2 * (crypto_int64)f8_19; - crypto_int64 f5f9_76 = f5_2 * (crypto_int64)f9_38; - crypto_int64 f6f6_19 = f6 * (crypto_int64)f6_19; - crypto_int64 f6f7_38 = f6 * (crypto_int64)f7_38; - crypto_int64 f6f8_38 = f6_2 * (crypto_int64)f8_19; - crypto_int64 f6f9_38 = f6 * (crypto_int64)f9_38; - crypto_int64 f7f7_38 = f7 * (crypto_int64)f7_38; - crypto_int64 f7f8_38 = f7_2 * (crypto_int64)f8_19; - crypto_int64 f7f9_76 = f7_2 * (crypto_int64)f9_38; - crypto_int64 f8f8_19 = f8 * (crypto_int64)f8_19; - crypto_int64 f8f9_38 = f8 * (crypto_int64)f9_38; - crypto_int64 f9f9_38 = f9 * (crypto_int64)f9_38; - crypto_int64 h0 = f0f0 + f1f9_76 + f2f8_38 + f3f7_76 + f4f6_38 + f5f5_38; - crypto_int64 h1 = f0f1_2 + f2f9_38 + f3f8_38 + f4f7_38 + f5f6_38; - crypto_int64 h2 = f0f2_2 + f1f1_2 + f3f9_76 + f4f8_38 + f5f7_76 + f6f6_19; - crypto_int64 h3 = f0f3_2 + f1f2_2 + f4f9_38 + f5f8_38 + f6f7_38; - crypto_int64 h4 = f0f4_2 + f1f3_4 + f2f2 + f5f9_76 + f6f8_38 + f7f7_38; - crypto_int64 h5 = f0f5_2 + f1f4_2 + f2f3_2 + f6f9_38 + f7f8_38; - crypto_int64 h6 = f0f6_2 + f1f5_4 + f2f4_2 + f3f3_2 + f7f9_76 + f8f8_19; - crypto_int64 h7 = f0f7_2 + f1f6_2 + f2f5_2 + f3f4_2 + f8f9_38; - crypto_int64 h8 = f0f8_2 + f1f7_4 + f2f6_2 + f3f5_4 + f4f4 + f9f9_38; - crypto_int64 h9 = f0f9_2 + f1f8_2 + f2f7_2 + f3f6_2 + f4f5_2; - crypto_int64 carry0; - crypto_int64 carry1; - crypto_int64 carry2; - crypto_int64 carry3; - crypto_int64 carry4; - crypto_int64 carry5; - crypto_int64 carry6; - crypto_int64 carry7; - crypto_int64 carry8; - crypto_int64 carry9; - - carry0 = (h0 + (crypto_int64)(1 << 25)) >> 26; - h1 += carry0; - h0 -= carry0 << 26; - carry4 = (h4 + (crypto_int64)(1 << 25)) >> 26; - h5 += carry4; - h4 -= carry4 << 26; - - carry1 = (h1 + (crypto_int64)(1 << 24)) >> 25; - h2 += carry1; - h1 -= carry1 << 25; - carry5 = (h5 + (crypto_int64)(1 << 24)) >> 25; - h6 += carry5; - h5 -= carry5 << 25; - - carry2 = (h2 + (crypto_int64)(1 << 25)) >> 26; - h3 += carry2; - h2 -= carry2 << 26; - carry6 = (h6 + (crypto_int64)(1 << 25)) >> 26; - h7 += carry6; - h6 -= carry6 << 26; - - carry3 = (h3 + (crypto_int64)(1 << 24)) >> 25; - h4 += carry3; - h3 -= carry3 << 25; - carry7 = (h7 + (crypto_int64)(1 << 24)) >> 25; - h8 += carry7; - h7 -= carry7 << 25; - - carry4 = (h4 + (crypto_int64)(1 << 25)) >> 26; - h5 += carry4; - h4 -= carry4 << 26; - carry8 = (h8 + (crypto_int64)(1 << 25)) >> 26; - h9 += carry8; - h8 -= carry8 << 26; - - carry9 = (h9 + (crypto_int64)(1 << 24)) >> 25; - h0 += carry9 * 19; - h9 -= carry9 << 25; - - carry0 = (h0 + (crypto_int64)(1 << 25)) >> 26; - h1 += carry0; - h0 -= carry0 << 26; - - h[0] = h0; - h[1] = h1; - h[2] = h2; - h[3] = h3; - h[4] = h4; - h[5] = h5; - h[6] = h6; - h[7] = h7; - h[8] = h8; - h[9] = h9; -} diff --git a/src/crypto/crypto_ops_builder/ref10CommentedCombined/fe_sq2.c b/src/crypto/crypto_ops_builder/ref10CommentedCombined/fe_sq2.c deleted file mode 100644 index 6a5d9f9..0000000 --- a/src/crypto/crypto_ops_builder/ref10CommentedCombined/fe_sq2.c +++ /dev/null @@ -1,183 +0,0 @@ -#include "crypto_int64.h" -#include "fe.h" - -/* -h = 2 * f * f -Can overlap h with f. - -Preconditions: - |f| bounded by 1.65*2^26,1.65*2^25,1.65*2^26,1.65*2^25,etc. - -Postconditions: - |h| bounded by 1.01*2^25,1.01*2^24,1.01*2^25,1.01*2^24,etc. -*/ - -/* -See fe_mul.c for discussion of implementation strategy. -*/ - -void fe_sq2(fe h, const fe f) { - crypto_int32 f0 = f[0]; - crypto_int32 f1 = f[1]; - crypto_int32 f2 = f[2]; - crypto_int32 f3 = f[3]; - crypto_int32 f4 = f[4]; - crypto_int32 f5 = f[5]; - crypto_int32 f6 = f[6]; - crypto_int32 f7 = f[7]; - crypto_int32 f8 = f[8]; - crypto_int32 f9 = f[9]; - crypto_int32 f0_2 = 2 * f0; - crypto_int32 f1_2 = 2 * f1; - crypto_int32 f2_2 = 2 * f2; - crypto_int32 f3_2 = 2 * f3; - crypto_int32 f4_2 = 2 * f4; - crypto_int32 f5_2 = 2 * f5; - crypto_int32 f6_2 = 2 * f6; - crypto_int32 f7_2 = 2 * f7; - crypto_int32 f5_38 = 38 * f5; /* 1.959375*2^30 */ - crypto_int32 f6_19 = 19 * f6; /* 1.959375*2^30 */ - crypto_int32 f7_38 = 38 * f7; /* 1.959375*2^30 */ - crypto_int32 f8_19 = 19 * f8; /* 1.959375*2^30 */ - crypto_int32 f9_38 = 38 * f9; /* 1.959375*2^30 */ - crypto_int64 f0f0 = f0 * (crypto_int64)f0; - crypto_int64 f0f1_2 = f0_2 * (crypto_int64)f1; - crypto_int64 f0f2_2 = f0_2 * (crypto_int64)f2; - crypto_int64 f0f3_2 = f0_2 * (crypto_int64)f3; - crypto_int64 f0f4_2 = f0_2 * (crypto_int64)f4; - crypto_int64 f0f5_2 = f0_2 * (crypto_int64)f5; - crypto_int64 f0f6_2 = f0_2 * (crypto_int64)f6; - crypto_int64 f0f7_2 = f0_2 * (crypto_int64)f7; - crypto_int64 f0f8_2 = f0_2 * (crypto_int64)f8; - crypto_int64 f0f9_2 = f0_2 * (crypto_int64)f9; - crypto_int64 f1f1_2 = f1_2 * (crypto_int64)f1; - crypto_int64 f1f2_2 = f1_2 * (crypto_int64)f2; - crypto_int64 f1f3_4 = f1_2 * (crypto_int64)f3_2; - crypto_int64 f1f4_2 = f1_2 * (crypto_int64)f4; - crypto_int64 f1f5_4 = f1_2 * (crypto_int64)f5_2; - crypto_int64 f1f6_2 = f1_2 * (crypto_int64)f6; - crypto_int64 f1f7_4 = f1_2 * (crypto_int64)f7_2; - crypto_int64 f1f8_2 = f1_2 * (crypto_int64)f8; - crypto_int64 f1f9_76 = f1_2 * (crypto_int64)f9_38; - crypto_int64 f2f2 = f2 * (crypto_int64)f2; - crypto_int64 f2f3_2 = f2_2 * (crypto_int64)f3; - crypto_int64 f2f4_2 = f2_2 * (crypto_int64)f4; - crypto_int64 f2f5_2 = f2_2 * (crypto_int64)f5; - crypto_int64 f2f6_2 = f2_2 * (crypto_int64)f6; - crypto_int64 f2f7_2 = f2_2 * (crypto_int64)f7; - crypto_int64 f2f8_38 = f2_2 * (crypto_int64)f8_19; - crypto_int64 f2f9_38 = f2 * (crypto_int64)f9_38; - crypto_int64 f3f3_2 = f3_2 * (crypto_int64)f3; - crypto_int64 f3f4_2 = f3_2 * (crypto_int64)f4; - crypto_int64 f3f5_4 = f3_2 * (crypto_int64)f5_2; - crypto_int64 f3f6_2 = f3_2 * (crypto_int64)f6; - crypto_int64 f3f7_76 = f3_2 * (crypto_int64)f7_38; - crypto_int64 f3f8_38 = f3_2 * (crypto_int64)f8_19; - crypto_int64 f3f9_76 = f3_2 * (crypto_int64)f9_38; - crypto_int64 f4f4 = f4 * (crypto_int64)f4; - crypto_int64 f4f5_2 = f4_2 * (crypto_int64)f5; - crypto_int64 f4f6_38 = f4_2 * (crypto_int64)f6_19; - crypto_int64 f4f7_38 = f4 * (crypto_int64)f7_38; - crypto_int64 f4f8_38 = f4_2 * (crypto_int64)f8_19; - crypto_int64 f4f9_38 = f4 * (crypto_int64)f9_38; - crypto_int64 f5f5_38 = f5 * (crypto_int64)f5_38; - crypto_int64 f5f6_38 = f5_2 * (crypto_int64)f6_19; - crypto_int64 f5f7_76 = f5_2 * (crypto_int64)f7_38; - crypto_int64 f5f8_38 = f5_2 * (crypto_int64)f8_19; - crypto_int64 f5f9_76 = f5_2 * (crypto_int64)f9_38; - crypto_int64 f6f6_19 = f6 * (crypto_int64)f6_19; - crypto_int64 f6f7_38 = f6 * (crypto_int64)f7_38; - crypto_int64 f6f8_38 = f6_2 * (crypto_int64)f8_19; - crypto_int64 f6f9_38 = f6 * (crypto_int64)f9_38; - crypto_int64 f7f7_38 = f7 * (crypto_int64)f7_38; - crypto_int64 f7f8_38 = f7_2 * (crypto_int64)f8_19; - crypto_int64 f7f9_76 = f7_2 * (crypto_int64)f9_38; - crypto_int64 f8f8_19 = f8 * (crypto_int64)f8_19; - crypto_int64 f8f9_38 = f8 * (crypto_int64)f9_38; - crypto_int64 f9f9_38 = f9 * (crypto_int64)f9_38; - crypto_int64 h0 = f0f0 + f1f9_76 + f2f8_38 + f3f7_76 + f4f6_38 + f5f5_38; - crypto_int64 h1 = f0f1_2 + f2f9_38 + f3f8_38 + f4f7_38 + f5f6_38; - crypto_int64 h2 = f0f2_2 + f1f1_2 + f3f9_76 + f4f8_38 + f5f7_76 + f6f6_19; - crypto_int64 h3 = f0f3_2 + f1f2_2 + f4f9_38 + f5f8_38 + f6f7_38; - crypto_int64 h4 = f0f4_2 + f1f3_4 + f2f2 + f5f9_76 + f6f8_38 + f7f7_38; - crypto_int64 h5 = f0f5_2 + f1f4_2 + f2f3_2 + f6f9_38 + f7f8_38; - crypto_int64 h6 = f0f6_2 + f1f5_4 + f2f4_2 + f3f3_2 + f7f9_76 + f8f8_19; - crypto_int64 h7 = f0f7_2 + f1f6_2 + f2f5_2 + f3f4_2 + f8f9_38; - crypto_int64 h8 = f0f8_2 + f1f7_4 + f2f6_2 + f3f5_4 + f4f4 + f9f9_38; - crypto_int64 h9 = f0f9_2 + f1f8_2 + f2f7_2 + f3f6_2 + f4f5_2; - crypto_int64 carry0; - crypto_int64 carry1; - crypto_int64 carry2; - crypto_int64 carry3; - crypto_int64 carry4; - crypto_int64 carry5; - crypto_int64 carry6; - crypto_int64 carry7; - crypto_int64 carry8; - crypto_int64 carry9; - - h0 += h0; - h1 += h1; - h2 += h2; - h3 += h3; - h4 += h4; - h5 += h5; - h6 += h6; - h7 += h7; - h8 += h8; - h9 += h9; - - carry0 = (h0 + (crypto_int64)(1 << 25)) >> 26; - h1 += carry0; - h0 -= carry0 << 26; - carry4 = (h4 + (crypto_int64)(1 << 25)) >> 26; - h5 += carry4; - h4 -= carry4 << 26; - - carry1 = (h1 + (crypto_int64)(1 << 24)) >> 25; - h2 += carry1; - h1 -= carry1 << 25; - carry5 = (h5 + (crypto_int64)(1 << 24)) >> 25; - h6 += carry5; - h5 -= carry5 << 25; - - carry2 = (h2 + (crypto_int64)(1 << 25)) >> 26; - h3 += carry2; - h2 -= carry2 << 26; - carry6 = (h6 + (crypto_int64)(1 << 25)) >> 26; - h7 += carry6; - h6 -= carry6 << 26; - - carry3 = (h3 + (crypto_int64)(1 << 24)) >> 25; - h4 += carry3; - h3 -= carry3 << 25; - carry7 = (h7 + (crypto_int64)(1 << 24)) >> 25; - h8 += carry7; - h7 -= carry7 << 25; - - carry4 = (h4 + (crypto_int64)(1 << 25)) >> 26; - h5 += carry4; - h4 -= carry4 << 26; - carry8 = (h8 + (crypto_int64)(1 << 25)) >> 26; - h9 += carry8; - h8 -= carry8 << 26; - - carry9 = (h9 + (crypto_int64)(1 << 24)) >> 25; - h0 += carry9 * 19; - h9 -= carry9 << 25; - - carry0 = (h0 + (crypto_int64)(1 << 25)) >> 26; - h1 += carry0; - h0 -= carry0 << 26; - - h[0] = h0; - h[1] = h1; - h[2] = h2; - h[3] = h3; - h[4] = h4; - h[5] = h5; - h[6] = h6; - h[7] = h7; - h[8] = h8; - h[9] = h9; -} diff --git a/src/crypto/crypto_ops_builder/ref10CommentedCombined/fe_sub.c b/src/crypto/crypto_ops_builder/ref10CommentedCombined/fe_sub.c deleted file mode 100644 index 2b8fb6f..0000000 --- a/src/crypto/crypto_ops_builder/ref10CommentedCombined/fe_sub.c +++ /dev/null @@ -1,56 +0,0 @@ -#include "fe.h" - -/* -h = f - g -Can overlap h with f or g. - -Preconditions: - |f| bounded by 1.1*2^25,1.1*2^24,1.1*2^25,1.1*2^24,etc. - |g| bounded by 1.1*2^25,1.1*2^24,1.1*2^25,1.1*2^24,etc. - -Postconditions: - |h| bounded by 1.1*2^26,1.1*2^25,1.1*2^26,1.1*2^25,etc. -*/ - -void fe_sub(fe h, const fe f, const fe g) { - crypto_int32 f0 = f[0]; - crypto_int32 f1 = f[1]; - crypto_int32 f2 = f[2]; - crypto_int32 f3 = f[3]; - crypto_int32 f4 = f[4]; - crypto_int32 f5 = f[5]; - crypto_int32 f6 = f[6]; - crypto_int32 f7 = f[7]; - crypto_int32 f8 = f[8]; - crypto_int32 f9 = f[9]; - crypto_int32 g0 = g[0]; - crypto_int32 g1 = g[1]; - crypto_int32 g2 = g[2]; - crypto_int32 g3 = g[3]; - crypto_int32 g4 = g[4]; - crypto_int32 g5 = g[5]; - crypto_int32 g6 = g[6]; - crypto_int32 g7 = g[7]; - crypto_int32 g8 = g[8]; - crypto_int32 g9 = g[9]; - crypto_int32 h0 = f0 - g0; - crypto_int32 h1 = f1 - g1; - crypto_int32 h2 = f2 - g2; - crypto_int32 h3 = f3 - g3; - crypto_int32 h4 = f4 - g4; - crypto_int32 h5 = f5 - g5; - crypto_int32 h6 = f6 - g6; - crypto_int32 h7 = f7 - g7; - crypto_int32 h8 = f8 - g8; - crypto_int32 h9 = f9 - g9; - h[0] = h0; - h[1] = h1; - h[2] = h2; - h[3] = h3; - h[4] = h4; - h[5] = h5; - h[6] = h6; - h[7] = h7; - h[8] = h8; - h[9] = h9; -} diff --git a/src/crypto/crypto_ops_builder/ref10CommentedCombined/fe_tobytes.c b/src/crypto/crypto_ops_builder/ref10CommentedCombined/fe_tobytes.c deleted file mode 100644 index c7eab58..0000000 --- a/src/crypto/crypto_ops_builder/ref10CommentedCombined/fe_tobytes.c +++ /dev/null @@ -1,137 +0,0 @@ -#include "fe.h" - -/* -Preconditions: - |h| bounded by 1.1*2^26,1.1*2^25,1.1*2^26,1.1*2^25,etc. - -Write p=2^255-19; q=floor(h/p). -Basic claim: q = floor(2^(-255)(h + 19 2^(-25)h9 + 2^(-1))). - -Proof: - Have |h|<=p so |q|<=1 so |19^2 2^(-255) q|<1/4. - Also have |h-2^230 h9|<2^231 so |19 2^(-255)(h-2^230 h9)|<1/4. - - Write y=2^(-1)-19^2 2^(-255)q-19 2^(-255)(h-2^230 h9). - Then 0> 25; - q = (h0 + q) >> 26; - q = (h1 + q) >> 25; - q = (h2 + q) >> 26; - q = (h3 + q) >> 25; - q = (h4 + q) >> 26; - q = (h5 + q) >> 25; - q = (h6 + q) >> 26; - q = (h7 + q) >> 25; - q = (h8 + q) >> 26; - q = (h9 + q) >> 25; - - /* Goal: Output h-(2^255-19)q, which is between 0 and 2^255-20. */ - h0 += 19 * q; - /* Goal: Output h-2^255 q, which is between 0 and 2^255-20. */ - - carry0 = h0 >> 26; - h1 += carry0; - h0 -= carry0 << 26; - carry1 = h1 >> 25; - h2 += carry1; - h1 -= carry1 << 25; - carry2 = h2 >> 26; - h3 += carry2; - h2 -= carry2 << 26; - carry3 = h3 >> 25; - h4 += carry3; - h3 -= carry3 << 25; - carry4 = h4 >> 26; - h5 += carry4; - h4 -= carry4 << 26; - carry5 = h5 >> 25; - h6 += carry5; - h5 -= carry5 << 25; - carry6 = h6 >> 26; - h7 += carry6; - h6 -= carry6 << 26; - carry7 = h7 >> 25; - h8 += carry7; - h7 -= carry7 << 25; - carry8 = h8 >> 26; - h9 += carry8; - h8 -= carry8 << 26; - carry9 = h9 >> 25; - h9 -= carry9 << 25; - /* h10 = carry9 */ - - /* - Goal: Output h0+...+2^255 h10-2^255 q, which is between 0 and 2^255-20. - Have h0+...+2^230 h9 between 0 and 2^255-1; - evidently 2^255 h10-2^255 q = 0. - Goal: Output h0+...+2^230 h9. - */ - - s[0] = h0 >> 0; - s[1] = h0 >> 8; - s[2] = h0 >> 16; - s[3] = (h0 >> 24) | (h1 << 2); - s[4] = h1 >> 6; - s[5] = h1 >> 14; - s[6] = (h1 >> 22) | (h2 << 3); - s[7] = h2 >> 5; - s[8] = h2 >> 13; - s[9] = (h2 >> 21) | (h3 << 5); - s[10] = h3 >> 3; - s[11] = h3 >> 11; - s[12] = (h3 >> 19) | (h4 << 6); - s[13] = h4 >> 2; - s[14] = h4 >> 10; - s[15] = h4 >> 18; - s[16] = h5 >> 0; - s[17] = h5 >> 8; - s[18] = h5 >> 16; - s[19] = (h5 >> 24) | (h6 << 1); - s[20] = h6 >> 7; - s[21] = h6 >> 15; - s[22] = (h6 >> 23) | (h7 << 3); - s[23] = h7 >> 5; - s[24] = h7 >> 13; - s[25] = (h7 >> 21) | (h8 << 4); - s[26] = h8 >> 4; - s[27] = h8 >> 12; - s[28] = (h8 >> 20) | (h9 << 6); - s[29] = h9 >> 2; - s[30] = h9 >> 10; - s[31] = h9 >> 18; -} diff --git a/src/crypto/crypto_ops_builder/ref10CommentedCombined/ge.h b/src/crypto/crypto_ops_builder/ref10CommentedCombined/ge.h deleted file mode 100644 index 1de2bc9..0000000 --- a/src/crypto/crypto_ops_builder/ref10CommentedCombined/ge.h +++ /dev/null @@ -1,96 +0,0 @@ -#ifndef GE_H -#define GE_H - -/* -ge means group element. - -Here the group is the set of pairs (x,y) of field elements (see fe.h) -satisfying -x^2 + y^2 = 1 + d x^2y^2 -where d = -121665/121666. - -Representations: - ge_p2 (projective): (X:Y:Z) satisfying x=X/Z, y=Y/Z - ge_p3 (extended): (X:Y:Z:T) satisfying x=X/Z, y=Y/Z, XY=ZT - ge_p1p1 (completed): ((X:Z),(Y:T)) satisfying x=X/Z, y=Y/T - ge_precomp (Duif): (y+x,y-x,2dxy) -*/ - -#include "fe.h" - -typedef struct { - fe X; - fe Y; - fe Z; -} ge_p2; - -typedef struct { - fe X; - fe Y; - fe Z; - fe T; -} ge_p3; - -typedef struct { - fe X; - fe Y; - fe Z; - fe T; -} ge_p1p1; - -typedef struct { - fe yplusx; - fe yminusx; - fe xy2d; -} ge_precomp; - -typedef struct { - fe YplusX; - fe YminusX; - fe Z; - fe T2d; -} ge_cached; - -#define ge_frombytes_negate_vartime crypto_sign_ed25519_ref10_ge_frombytes_negate_vartime -#define ge_tobytes crypto_sign_ed25519_ref10_ge_tobytes -#define ge_p3_tobytes crypto_sign_ed25519_ref10_ge_p3_tobytes - -#define ge_p2_0 crypto_sign_ed25519_ref10_ge_p2_0 -#define ge_p3_0 crypto_sign_ed25519_ref10_ge_p3_0 -#define ge_precomp_0 crypto_sign_ed25519_ref10_ge_precomp_0 -#define ge_p3_to_p2 crypto_sign_ed25519_ref10_ge_p3_to_p2 -#define ge_p3_to_cached crypto_sign_ed25519_ref10_ge_p3_to_cached -#define ge_p1p1_to_p2 crypto_sign_ed25519_ref10_ge_p1p1_to_p2 -#define ge_p1p1_to_p3 crypto_sign_ed25519_ref10_ge_p1p1_to_p3 -#define ge_p2_dbl crypto_sign_ed25519_ref10_ge_p2_dbl -#define ge_p3_dbl crypto_sign_ed25519_ref10_ge_p3_dbl - -#define ge_madd crypto_sign_ed25519_ref10_ge_madd -#define ge_msub crypto_sign_ed25519_ref10_ge_msub -#define ge_add crypto_sign_ed25519_ref10_ge_add -#define ge_sub crypto_sign_ed25519_ref10_ge_sub -#define ge_scalarmult_base crypto_sign_ed25519_ref10_ge_scalarmult_base -#define ge_double_scalarmult_vartime crypto_sign_ed25519_ref10_ge_double_scalarmult_vartime - -extern void ge_tobytes(unsigned char*, const ge_p2*); -extern void ge_p3_tobytes(unsigned char*, const ge_p3*); -extern int ge_frombytes_negate_vartime(ge_p3*, const unsigned char*); - -extern void ge_p2_0(ge_p2*); -extern void ge_p3_0(ge_p3*); -extern void ge_precomp_0(ge_precomp*); -extern void ge_p3_to_p2(ge_p2*, const ge_p3*); -extern void ge_p3_to_cached(ge_cached*, const ge_p3*); -extern void ge_p1p1_to_p2(ge_p2*, const ge_p1p1*); -extern void ge_p1p1_to_p3(ge_p3*, const ge_p1p1*); -extern void ge_p2_dbl(ge_p1p1*, const ge_p2*); -extern void ge_p3_dbl(ge_p1p1*, const ge_p3*); - -extern void ge_madd(ge_p1p1*, const ge_p3*, const ge_precomp*); -extern void ge_msub(ge_p1p1*, const ge_p3*, const ge_precomp*); -extern void ge_add(ge_p1p1*, const ge_p3*, const ge_cached*); -extern void ge_sub(ge_p1p1*, const ge_p3*, const ge_cached*); -extern void ge_scalarmult_base(ge_p3*, const unsigned char*); -extern void ge_double_scalarmult_vartime( - ge_p2*, const unsigned char*, const ge_p3*, const unsigned char*); - -#endif diff --git a/src/crypto/crypto_ops_builder/ref10CommentedCombined/ge_add.c b/src/crypto/crypto_ops_builder/ref10CommentedCombined/ge_add.c deleted file mode 100644 index 2ef90dc..0000000 --- a/src/crypto/crypto_ops_builder/ref10CommentedCombined/ge_add.c +++ /dev/null @@ -1,10 +0,0 @@ -#include "ge.h" - -/* -r = p + q -*/ - -void ge_add(ge_p1p1* r, const ge_p3* p, const ge_cached* q) { - fe t0; -#include "ge_add.h" -} diff --git a/src/crypto/crypto_ops_builder/ref10CommentedCombined/ge_add.h b/src/crypto/crypto_ops_builder/ref10CommentedCombined/ge_add.h deleted file mode 100644 index b644c41..0000000 --- a/src/crypto/crypto_ops_builder/ref10CommentedCombined/ge_add.h +++ /dev/null @@ -1,97 +0,0 @@ - -/* qhasm: enter ge_add */ - -/* qhasm: fe X1 */ - -/* qhasm: fe Y1 */ - -/* qhasm: fe Z1 */ - -/* qhasm: fe Z2 */ - -/* qhasm: fe T1 */ - -/* qhasm: fe ZZ */ - -/* qhasm: fe YpX2 */ - -/* qhasm: fe YmX2 */ - -/* qhasm: fe T2d2 */ - -/* qhasm: fe X3 */ - -/* qhasm: fe Y3 */ - -/* qhasm: fe Z3 */ - -/* qhasm: fe T3 */ - -/* qhasm: fe YpX1 */ - -/* qhasm: fe YmX1 */ - -/* qhasm: fe A */ - -/* qhasm: fe B */ - -/* qhasm: fe C */ - -/* qhasm: fe D */ - -/* qhasm: YpX1 = Y1+X1 */ -/* asm 1: fe_add(>YpX1=fe#1,YpX1=r->X,Y,X); */ -fe_add(r->X, p->Y, p->X); - -/* qhasm: YmX1 = Y1-X1 */ -/* asm 1: fe_sub(>YmX1=fe#2,YmX1=r->Y,Y,X); */ -fe_sub(r->Y, p->Y, p->X); - -/* qhasm: A = YpX1*YpX2 */ -/* asm 1: fe_mul(>A=fe#3,A=r->Z,X,YplusX); */ -fe_mul(r->Z, r->X, q->YplusX); - -/* qhasm: B = YmX1*YmX2 */ -/* asm 1: fe_mul(>B=fe#2,B=r->Y,Y,YminusX); */ -fe_mul(r->Y, r->Y, q->YminusX); - -/* qhasm: C = T2d2*T1 */ -/* asm 1: fe_mul(>C=fe#4,C=r->T,T2d,T); */ -fe_mul(r->T, q->T2d, p->T); - -/* qhasm: ZZ = Z1*Z2 */ -/* asm 1: fe_mul(>ZZ=fe#1,ZZ=r->X,Z,Z); */ -fe_mul(r->X, p->Z, q->Z); - -/* qhasm: D = 2*ZZ */ -/* asm 1: fe_add(>D=fe#5,D=t0,X,X); */ -fe_add(t0, r->X, r->X); - -/* qhasm: X3 = A-B */ -/* asm 1: fe_sub(>X3=fe#1,X3=r->X,Z,Y); */ -fe_sub(r->X, r->Z, r->Y); - -/* qhasm: Y3 = A+B */ -/* asm 1: fe_add(>Y3=fe#2,Y3=r->Y,Z,Y); */ -fe_add(r->Y, r->Z, r->Y); - -/* qhasm: Z3 = D+C */ -/* asm 1: fe_add(>Z3=fe#3,Z3=r->Z,T); */ -fe_add(r->Z, t0, r->T); - -/* qhasm: T3 = D-C */ -/* asm 1: fe_sub(>T3=fe#4,T3=r->T,T); */ -fe_sub(r->T, t0, r->T); - -/* qhasm: return */ diff --git a/src/crypto/crypto_ops_builder/ref10CommentedCombined/ge_add.q b/src/crypto/crypto_ops_builder/ref10CommentedCombined/ge_add.q deleted file mode 100644 index a6572ab..0000000 --- a/src/crypto/crypto_ops_builder/ref10CommentedCombined/ge_add.q +++ /dev/null @@ -1,49 +0,0 @@ -:name:fe:r->X:r->Y:r->Z:r->T:t0:t1:t2:t3:t4:t5:p->X:p->Y:p->Z:p->T:q->YplusX:q->YminusX:q->Z:q->T2d: -fe r:var/r=fe: - -enter f:enter/f:>X1=fe#11:>Y1=fe#12:>Z1=fe#13:>T1=fe#14:>YpX2=fe#15:>YmX2=fe#16:>Z2=fe#17:>T2d2=fe#18: -return:nofallthrough:h=fe:asm/fe_add(>h,h=fe:asm/fe_sub(>h,h=fe:asm/fe_mul(>h,h=fe:asm/fe_sq(>h,h=fe:asm/fe_add(>h,> 3] >> (i & 7)); - - for (i = 0; i < 256; ++i) - if (r[i]) { - for (b = 1; b <= 6 && i + b < 256; ++b) { - if (r[i + b]) { - if (r[i] + (r[i + b] << b) <= 15) { - r[i] += r[i + b] << b; - r[i + b] = 0; - } else if (r[i] - (r[i + b] << b) >= -15) { - r[i] -= r[i + b] << b; - for (k = i + b; k < 256; ++k) { - if (!r[k]) { - r[k] = 1; - break; - } - r[k] = 0; - } - } else - break; - } - } - } -} - -static ge_precomp Bi[8] = { -#include "base2.h" -}; - -/* -r = a * A + b * B -where a = a[0]+256*a[1]+...+256^31 a[31]. -and b = b[0]+256*b[1]+...+256^31 b[31]. -B is the Ed25519 base point (x,4/5) with x positive. -*/ - -void ge_double_scalarmult_vartime( - ge_p2* r, const unsigned char* a, const ge_p3* A, const unsigned char* b) { - signed char aslide[256]; - signed char bslide[256]; - ge_cached Ai[8]; /* A,3A,5A,7A,9A,11A,13A,15A */ - ge_p1p1 t; - ge_p3 u; - ge_p3 A2; - int i; - - slide(aslide, a); - slide(bslide, b); - - ge_p3_to_cached(&Ai[0], A); - ge_p3_dbl(&t, A); - ge_p1p1_to_p3(&A2, &t); - ge_add(&t, &A2, &Ai[0]); - ge_p1p1_to_p3(&u, &t); - ge_p3_to_cached(&Ai[1], &u); - ge_add(&t, &A2, &Ai[1]); - ge_p1p1_to_p3(&u, &t); - ge_p3_to_cached(&Ai[2], &u); - ge_add(&t, &A2, &Ai[2]); - ge_p1p1_to_p3(&u, &t); - ge_p3_to_cached(&Ai[3], &u); - ge_add(&t, &A2, &Ai[3]); - ge_p1p1_to_p3(&u, &t); - ge_p3_to_cached(&Ai[4], &u); - ge_add(&t, &A2, &Ai[4]); - ge_p1p1_to_p3(&u, &t); - ge_p3_to_cached(&Ai[5], &u); - ge_add(&t, &A2, &Ai[5]); - ge_p1p1_to_p3(&u, &t); - ge_p3_to_cached(&Ai[6], &u); - ge_add(&t, &A2, &Ai[6]); - ge_p1p1_to_p3(&u, &t); - ge_p3_to_cached(&Ai[7], &u); - - ge_p2_0(r); - - for (i = 255; i >= 0; --i) { - if (aslide[i] || bslide[i]) - break; - } - - for (; i >= 0; --i) { - ge_p2_dbl(&t, r); - - if (aslide[i] > 0) { - ge_p1p1_to_p3(&u, &t); - ge_add(&t, &u, &Ai[aslide[i] / 2]); - } else if (aslide[i] < 0) { - ge_p1p1_to_p3(&u, &t); - ge_sub(&t, &u, &Ai[(-aslide[i]) / 2]); - } - - if (bslide[i] > 0) { - ge_p1p1_to_p3(&u, &t); - ge_madd(&t, &u, &Bi[bslide[i] / 2]); - } else if (bslide[i] < 0) { - ge_p1p1_to_p3(&u, &t); - ge_msub(&t, &u, &Bi[(-bslide[i]) / 2]); - } - - ge_p1p1_to_p2(r, &t); - } -} diff --git a/src/crypto/crypto_ops_builder/ref10CommentedCombined/ge_frombytes.c b/src/crypto/crypto_ops_builder/ref10CommentedCombined/ge_frombytes.c deleted file mode 100644 index 64266d4..0000000 --- a/src/crypto/crypto_ops_builder/ref10CommentedCombined/ge_frombytes.c +++ /dev/null @@ -1,50 +0,0 @@ -#include "ge.h" - -static const fe d = { -#include "d.h" -}; - -static const fe sqrtm1 = { -#include "sqrtm1.h" -}; - -int ge_frombytes_negate_vartime(ge_p3* h, const unsigned char* s) { - fe u; - fe v; - fe v3; - fe vxx; - fe check; - - fe_frombytes(h->Y, s); - fe_1(h->Z); - fe_sq(u, h->Y); - fe_mul(v, u, d); - fe_sub(u, u, h->Z); /* u = y^2-1 */ - fe_add(v, v, h->Z); /* v = dy^2+1 */ - - fe_sq(v3, v); - fe_mul(v3, v3, v); /* v3 = v^3 */ - fe_sq(h->X, v3); - fe_mul(h->X, h->X, v); - fe_mul(h->X, h->X, u); /* x = uv^7 */ - - fe_pow22523(h->X, h->X); /* x = (uv^7)^((q-5)/8) */ - fe_mul(h->X, h->X, v3); - fe_mul(h->X, h->X, u); /* x = uv^3(uv^7)^((q-5)/8) */ - - fe_sq(vxx, h->X); - fe_mul(vxx, vxx, v); - fe_sub(check, vxx, u); /* vx^2-u */ - if (fe_isnonzero(check)) { - fe_add(check, vxx, u); /* vx^2+u */ - if (fe_isnonzero(check)) - return -1; - fe_mul(h->X, h->X, sqrtm1); - } - - if (fe_isnegative(h->X) == (s[31] >> 7)) - fe_neg(h->X, h->X); - - fe_mul(h->T, h->X, h->Y); - return 0; -} diff --git a/src/crypto/crypto_ops_builder/ref10CommentedCombined/ge_madd.c b/src/crypto/crypto_ops_builder/ref10CommentedCombined/ge_madd.c deleted file mode 100644 index 4853a7b..0000000 --- a/src/crypto/crypto_ops_builder/ref10CommentedCombined/ge_madd.c +++ /dev/null @@ -1,10 +0,0 @@ -#include "ge.h" - -/* -r = p + q -*/ - -void ge_madd(ge_p1p1* r, const ge_p3* p, const ge_precomp* q) { - fe t0; -#include "ge_madd.h" -} diff --git a/src/crypto/crypto_ops_builder/ref10CommentedCombined/ge_madd.h b/src/crypto/crypto_ops_builder/ref10CommentedCombined/ge_madd.h deleted file mode 100644 index cb8650f..0000000 --- a/src/crypto/crypto_ops_builder/ref10CommentedCombined/ge_madd.h +++ /dev/null @@ -1,88 +0,0 @@ - -/* qhasm: enter ge_madd */ - -/* qhasm: fe X1 */ - -/* qhasm: fe Y1 */ - -/* qhasm: fe Z1 */ - -/* qhasm: fe T1 */ - -/* qhasm: fe ypx2 */ - -/* qhasm: fe ymx2 */ - -/* qhasm: fe xy2d2 */ - -/* qhasm: fe X3 */ - -/* qhasm: fe Y3 */ - -/* qhasm: fe Z3 */ - -/* qhasm: fe T3 */ - -/* qhasm: fe YpX1 */ - -/* qhasm: fe YmX1 */ - -/* qhasm: fe A */ - -/* qhasm: fe B */ - -/* qhasm: fe C */ - -/* qhasm: fe D */ - -/* qhasm: YpX1 = Y1+X1 */ -/* asm 1: fe_add(>YpX1=fe#1,YpX1=r->X,Y,X); */ -fe_add(r->X, p->Y, p->X); - -/* qhasm: YmX1 = Y1-X1 */ -/* asm 1: fe_sub(>YmX1=fe#2,YmX1=r->Y,Y,X); */ -fe_sub(r->Y, p->Y, p->X); - -/* qhasm: A = YpX1*ypx2 */ -/* asm 1: fe_mul(>A=fe#3,A=r->Z,X,yplusx); */ -fe_mul(r->Z, r->X, q->yplusx); - -/* qhasm: B = YmX1*ymx2 */ -/* asm 1: fe_mul(>B=fe#2,B=r->Y,Y,yminusx); */ -fe_mul(r->Y, r->Y, q->yminusx); - -/* qhasm: C = xy2d2*T1 */ -/* asm 1: fe_mul(>C=fe#4,C=r->T,xy2d,T); */ -fe_mul(r->T, q->xy2d, p->T); - -/* qhasm: D = 2*Z1 */ -/* asm 1: fe_add(>D=fe#5,D=t0,Z,Z); */ -fe_add(t0, p->Z, p->Z); - -/* qhasm: X3 = A-B */ -/* asm 1: fe_sub(>X3=fe#1,X3=r->X,Z,Y); */ -fe_sub(r->X, r->Z, r->Y); - -/* qhasm: Y3 = A+B */ -/* asm 1: fe_add(>Y3=fe#2,Y3=r->Y,Z,Y); */ -fe_add(r->Y, r->Z, r->Y); - -/* qhasm: Z3 = D+C */ -/* asm 1: fe_add(>Z3=fe#3,Z3=r->Z,T); */ -fe_add(r->Z, t0, r->T); - -/* qhasm: T3 = D-C */ -/* asm 1: fe_sub(>T3=fe#4,T3=r->T,T); */ -fe_sub(r->T, t0, r->T); - -/* qhasm: return */ diff --git a/src/crypto/crypto_ops_builder/ref10CommentedCombined/ge_madd.q b/src/crypto/crypto_ops_builder/ref10CommentedCombined/ge_madd.q deleted file mode 100644 index aa3db45..0000000 --- a/src/crypto/crypto_ops_builder/ref10CommentedCombined/ge_madd.q +++ /dev/null @@ -1,46 +0,0 @@ -:name:fe:r->X:r->Y:r->Z:r->T:t0:t1:t2:t3:t4:t5:p->X:p->Y:p->Z:p->T:q->yplusx:q->yminusx:q->xy2d: -fe r:var/r=fe: - -enter f:enter/f:>X1=fe#11:>Y1=fe#12:>Z1=fe#13:>T1=fe#14:>ypx2=fe#15:>ymx2=fe#16:>xy2d2=fe#17: -return:nofallthrough:h=fe:asm/fe_add(>h,h=fe:asm/fe_sub(>h,h=fe:asm/fe_mul(>h,h=fe:asm/fe_sq(>h,h=fe:asm/fe_add(>h,YpX1=fe#1,YpX1=r->X,Y,X); */ -fe_add(r->X, p->Y, p->X); - -/* qhasm: YmX1 = Y1-X1 */ -/* asm 1: fe_sub(>YmX1=fe#2,YmX1=r->Y,Y,X); */ -fe_sub(r->Y, p->Y, p->X); - -/* qhasm: A = YpX1*ymx2 */ -/* asm 1: fe_mul(>A=fe#3,A=r->Z,X,yminusx); */ -fe_mul(r->Z, r->X, q->yminusx); - -/* qhasm: B = YmX1*ypx2 */ -/* asm 1: fe_mul(>B=fe#2,B=r->Y,Y,yplusx); */ -fe_mul(r->Y, r->Y, q->yplusx); - -/* qhasm: C = xy2d2*T1 */ -/* asm 1: fe_mul(>C=fe#4,C=r->T,xy2d,T); */ -fe_mul(r->T, q->xy2d, p->T); - -/* qhasm: D = 2*Z1 */ -/* asm 1: fe_add(>D=fe#5,D=t0,Z,Z); */ -fe_add(t0, p->Z, p->Z); - -/* qhasm: X3 = A-B */ -/* asm 1: fe_sub(>X3=fe#1,X3=r->X,Z,Y); */ -fe_sub(r->X, r->Z, r->Y); - -/* qhasm: Y3 = A+B */ -/* asm 1: fe_add(>Y3=fe#2,Y3=r->Y,Z,Y); */ -fe_add(r->Y, r->Z, r->Y); - -/* qhasm: Z3 = D-C */ -/* asm 1: fe_sub(>Z3=fe#3,Z3=r->Z,T); */ -fe_sub(r->Z, t0, r->T); - -/* qhasm: T3 = D+C */ -/* asm 1: fe_add(>T3=fe#4,T3=r->T,T); */ -fe_add(r->T, t0, r->T); - -/* qhasm: return */ diff --git a/src/crypto/crypto_ops_builder/ref10CommentedCombined/ge_msub.q b/src/crypto/crypto_ops_builder/ref10CommentedCombined/ge_msub.q deleted file mode 100644 index e3cadd8..0000000 --- a/src/crypto/crypto_ops_builder/ref10CommentedCombined/ge_msub.q +++ /dev/null @@ -1,46 +0,0 @@ -:name:fe:r->X:r->Y:r->Z:r->T:t0:t1:t2:t3:t4:t5:p->X:p->Y:p->Z:p->T:q->yplusx:q->yminusx:q->xy2d: -fe r:var/r=fe: - -enter f:enter/f:>X1=fe#11:>Y1=fe#12:>Z1=fe#13:>T1=fe#14:>ypx2=fe#15:>ymx2=fe#16:>xy2d2=fe#17: -return:nofallthrough:h=fe:asm/fe_add(>h,h=fe:asm/fe_sub(>h,h=fe:asm/fe_mul(>h,h=fe:asm/fe_sq(>h,h=fe:asm/fe_add(>h,X, p->X, p->T); - fe_mul(r->Y, p->Y, p->Z); - fe_mul(r->Z, p->Z, p->T); -} diff --git a/src/crypto/crypto_ops_builder/ref10CommentedCombined/ge_p1p1_to_p3.c b/src/crypto/crypto_ops_builder/ref10CommentedCombined/ge_p1p1_to_p3.c deleted file mode 100644 index d5e051e..0000000 --- a/src/crypto/crypto_ops_builder/ref10CommentedCombined/ge_p1p1_to_p3.c +++ /dev/null @@ -1,12 +0,0 @@ -#include "ge.h" - -/* -r = p -*/ - -extern void ge_p1p1_to_p3(ge_p3* r, const ge_p1p1* p) { - fe_mul(r->X, p->X, p->T); - fe_mul(r->Y, p->Y, p->Z); - fe_mul(r->Z, p->Z, p->T); - fe_mul(r->T, p->X, p->Y); -} diff --git a/src/crypto/crypto_ops_builder/ref10CommentedCombined/ge_p2_0.c b/src/crypto/crypto_ops_builder/ref10CommentedCombined/ge_p2_0.c deleted file mode 100644 index baa7698..0000000 --- a/src/crypto/crypto_ops_builder/ref10CommentedCombined/ge_p2_0.c +++ /dev/null @@ -1,7 +0,0 @@ -#include "ge.h" - -void ge_p2_0(ge_p2* h) { - fe_0(h->X); - fe_1(h->Y); - fe_1(h->Z); -} diff --git a/src/crypto/crypto_ops_builder/ref10CommentedCombined/ge_p2_dbl.c b/src/crypto/crypto_ops_builder/ref10CommentedCombined/ge_p2_dbl.c deleted file mode 100644 index 0978726..0000000 --- a/src/crypto/crypto_ops_builder/ref10CommentedCombined/ge_p2_dbl.c +++ /dev/null @@ -1,10 +0,0 @@ -#include "ge.h" - -/* -r = 2 * p -*/ - -void ge_p2_dbl(ge_p1p1* r, const ge_p2* p) { - fe t0; -#include "ge_p2_dbl.h" -} diff --git a/src/crypto/crypto_ops_builder/ref10CommentedCombined/ge_p2_dbl.h b/src/crypto/crypto_ops_builder/ref10CommentedCombined/ge_p2_dbl.h deleted file mode 100644 index a878da5..0000000 --- a/src/crypto/crypto_ops_builder/ref10CommentedCombined/ge_p2_dbl.h +++ /dev/null @@ -1,73 +0,0 @@ - -/* qhasm: enter ge_p2_dbl */ - -/* qhasm: fe X1 */ - -/* qhasm: fe Y1 */ - -/* qhasm: fe Z1 */ - -/* qhasm: fe A */ - -/* qhasm: fe AA */ - -/* qhasm: fe XX */ - -/* qhasm: fe YY */ - -/* qhasm: fe B */ - -/* qhasm: fe X3 */ - -/* qhasm: fe Y3 */ - -/* qhasm: fe Z3 */ - -/* qhasm: fe T3 */ - -/* qhasm: XX=X1^2 */ -/* asm 1: fe_sq(>XX=fe#1,XX=r->X,X); */ -fe_sq(r->X, p->X); - -/* qhasm: YY=Y1^2 */ -/* asm 1: fe_sq(>YY=fe#3,YY=r->Z,Y); */ -fe_sq(r->Z, p->Y); - -/* qhasm: B=2*Z1^2 */ -/* asm 1: fe_sq2(>B=fe#4,B=r->T,Z); */ -fe_sq2(r->T, p->Z); - -/* qhasm: A=X1+Y1 */ -/* asm 1: fe_add(>A=fe#2,A=r->Y,X,Y); */ -fe_add(r->Y, p->X, p->Y); - -/* qhasm: AA=A^2 */ -/* asm 1: fe_sq(>AA=fe#5,AA=t0,Y); */ -fe_sq(t0, r->Y); - -/* qhasm: Y3=YY+XX */ -/* asm 1: fe_add(>Y3=fe#2,Y3=r->Y,Z,X); */ -fe_add(r->Y, r->Z, r->X); - -/* qhasm: Z3=YY-XX */ -/* asm 1: fe_sub(>Z3=fe#3,Z3=r->Z,Z,X); */ -fe_sub(r->Z, r->Z, r->X); - -/* qhasm: X3=AA-Y3 */ -/* asm 1: fe_sub(>X3=fe#1,X3=r->X,Y); */ -fe_sub(r->X, t0, r->Y); - -/* qhasm: T3=B-Z3 */ -/* asm 1: fe_sub(>T3=fe#4,T3=r->T,T,Z); */ -fe_sub(r->T, r->T, r->Z); - -/* qhasm: return */ diff --git a/src/crypto/crypto_ops_builder/ref10CommentedCombined/ge_p2_dbl.q b/src/crypto/crypto_ops_builder/ref10CommentedCombined/ge_p2_dbl.q deleted file mode 100644 index 170d42f..0000000 --- a/src/crypto/crypto_ops_builder/ref10CommentedCombined/ge_p2_dbl.q +++ /dev/null @@ -1,41 +0,0 @@ -:name:fe:r->X:r->Y:r->Z:r->T:t0:t1:t2:t3:t4:t5:p->X:p->Y:p->Z: -fe r:var/r=fe: - -enter f:enter/f:>X1=fe#11:>Y1=fe#12:>Z1=fe#13: -return:nofallthrough:h=fe:asm/fe_add(>h,h=fe:asm/fe_sub(>h,h=fe:asm/fe_mul(>h,h=fe:asm/fe_sq(>h,h=fe:asm/fe_sq2(>h,h=fe:asm/fe_add(>h,X); - fe_1(h->Y); - fe_1(h->Z); - fe_0(h->T); -} diff --git a/src/crypto/crypto_ops_builder/ref10CommentedCombined/ge_p3_dbl.c b/src/crypto/crypto_ops_builder/ref10CommentedCombined/ge_p3_dbl.c deleted file mode 100644 index 8926e8a..0000000 --- a/src/crypto/crypto_ops_builder/ref10CommentedCombined/ge_p3_dbl.c +++ /dev/null @@ -1,11 +0,0 @@ -#include "ge.h" - -/* -r = 2 * p -*/ - -void ge_p3_dbl(ge_p1p1* r, const ge_p3* p) { - ge_p2 q; - ge_p3_to_p2(&q, p); - ge_p2_dbl(r, &q); -} diff --git a/src/crypto/crypto_ops_builder/ref10CommentedCombined/ge_p3_to_cached.c b/src/crypto/crypto_ops_builder/ref10CommentedCombined/ge_p3_to_cached.c deleted file mode 100644 index 54908de..0000000 --- a/src/crypto/crypto_ops_builder/ref10CommentedCombined/ge_p3_to_cached.c +++ /dev/null @@ -1,16 +0,0 @@ -#include "ge.h" - -/* -r = p -*/ - -static const fe d2 = { -#include "d2.h" -}; - -extern void ge_p3_to_cached(ge_cached* r, const ge_p3* p) { - fe_add(r->YplusX, p->Y, p->X); - fe_sub(r->YminusX, p->Y, p->X); - fe_copy(r->Z, p->Z); - fe_mul(r->T2d, p->T, d2); -} diff --git a/src/crypto/crypto_ops_builder/ref10CommentedCombined/ge_p3_to_p2.c b/src/crypto/crypto_ops_builder/ref10CommentedCombined/ge_p3_to_p2.c deleted file mode 100644 index a2803e0..0000000 --- a/src/crypto/crypto_ops_builder/ref10CommentedCombined/ge_p3_to_p2.c +++ /dev/null @@ -1,11 +0,0 @@ -#include "ge.h" - -/* -r = p -*/ - -extern void ge_p3_to_p2(ge_p2* r, const ge_p3* p) { - fe_copy(r->X, p->X); - fe_copy(r->Y, p->Y); - fe_copy(r->Z, p->Z); -} diff --git a/src/crypto/crypto_ops_builder/ref10CommentedCombined/ge_p3_tobytes.c b/src/crypto/crypto_ops_builder/ref10CommentedCombined/ge_p3_tobytes.c deleted file mode 100644 index 156e676..0000000 --- a/src/crypto/crypto_ops_builder/ref10CommentedCombined/ge_p3_tobytes.c +++ /dev/null @@ -1,13 +0,0 @@ -#include "ge.h" - -void ge_p3_tobytes(unsigned char* s, const ge_p3* h) { - fe recip; - fe x; - fe y; - - fe_invert(recip, h->Z); - fe_mul(x, h->X, recip); - fe_mul(y, h->Y, recip); - fe_tobytes(s, y); - s[31] ^= fe_isnegative(x) << 7; -} diff --git a/src/crypto/crypto_ops_builder/ref10CommentedCombined/ge_precomp_0.c b/src/crypto/crypto_ops_builder/ref10CommentedCombined/ge_precomp_0.c deleted file mode 100644 index d25b311..0000000 --- a/src/crypto/crypto_ops_builder/ref10CommentedCombined/ge_precomp_0.c +++ /dev/null @@ -1,7 +0,0 @@ -#include "ge.h" - -void ge_precomp_0(ge_precomp* h) { - fe_1(h->yplusx); - fe_1(h->yminusx); - fe_0(h->xy2d); -} diff --git a/src/crypto/crypto_ops_builder/ref10CommentedCombined/ge_scalarmult_base.c b/src/crypto/crypto_ops_builder/ref10CommentedCombined/ge_scalarmult_base.c deleted file mode 100644 index 51d4d54..0000000 --- a/src/crypto/crypto_ops_builder/ref10CommentedCombined/ge_scalarmult_base.c +++ /dev/null @@ -1,106 +0,0 @@ -#include "crypto_uint32.h" -#include "ge.h" - -static unsigned char equal(signed char b, signed char c) { - unsigned char ub = b; - unsigned char uc = c; - unsigned char x = ub ^ uc; /* 0: yes; 1..255: no */ - crypto_uint32 y = x; /* 0: yes; 1..255: no */ - y -= 1; /* 4294967295: yes; 0..254: no */ - y >>= 31; /* 1: yes; 0: no */ - return y; -} - -static unsigned char negative(signed char b) { - unsigned long long x = b; /* 18446744073709551361..18446744073709551615: yes; 0..255: no */ - x >>= 63; /* 1: yes; 0: no */ - return x; -} - -static void cmov(ge_precomp* t, ge_precomp* u, unsigned char b) { - fe_cmov(t->yplusx, u->yplusx, b); - fe_cmov(t->yminusx, u->yminusx, b); - fe_cmov(t->xy2d, u->xy2d, b); -} - -/* base[i][j] = (j+1)*256^i*B */ -static ge_precomp base[32][8] = { -#include "base.h" -}; - -static void select(ge_precomp* t, int pos, signed char b) { - ge_precomp minust; - unsigned char bnegative = negative(b); - unsigned char babs = b - (((-bnegative) & b) << 1); - - ge_precomp_0(t); - cmov(t, &base[pos][0], equal(babs, 1)); - cmov(t, &base[pos][1], equal(babs, 2)); - cmov(t, &base[pos][2], equal(babs, 3)); - cmov(t, &base[pos][3], equal(babs, 4)); - cmov(t, &base[pos][4], equal(babs, 5)); - cmov(t, &base[pos][5], equal(babs, 6)); - cmov(t, &base[pos][6], equal(babs, 7)); - cmov(t, &base[pos][7], equal(babs, 8)); - fe_copy(minust.yplusx, t->yminusx); - fe_copy(minust.yminusx, t->yplusx); - fe_neg(minust.xy2d, t->xy2d); - cmov(t, &minust, bnegative); -} - -/* -h = a * B -where a = a[0]+256*a[1]+...+256^31 a[31] -B is the Ed25519 base point (x,4/5) with x positive. - -Preconditions: - a[31] <= 127 -*/ - -void ge_scalarmult_base(ge_p3* h, const unsigned char* a) { - signed char e[64]; - signed char carry; - ge_p1p1 r; - ge_p2 s; - ge_precomp t; - int i; - - for (i = 0; i < 32; ++i) { - e[2 * i + 0] = (a[i] >> 0) & 15; - e[2 * i + 1] = (a[i] >> 4) & 15; - } - /* each e[i] is between 0 and 15 */ - /* e[63] is between 0 and 7 */ - - carry = 0; - for (i = 0; i < 63; ++i) { - e[i] += carry; - carry = e[i] + 8; - carry >>= 4; - e[i] -= carry << 4; - } - e[63] += carry; - /* each e[i] is between -8 and 8 */ - - ge_p3_0(h); - for (i = 1; i < 64; i += 2) { - select(&t, i / 2, e[i]); - ge_madd(&r, h, &t); - ge_p1p1_to_p3(h, &r); - } - - ge_p3_dbl(&r, h); - ge_p1p1_to_p2(&s, &r); - ge_p2_dbl(&r, &s); - ge_p1p1_to_p2(&s, &r); - ge_p2_dbl(&r, &s); - ge_p1p1_to_p2(&s, &r); - ge_p2_dbl(&r, &s); - ge_p1p1_to_p3(h, &r); - - for (i = 0; i < 64; i += 2) { - select(&t, i / 2, e[i]); - ge_madd(&r, h, &t); - ge_p1p1_to_p3(h, &r); - } -} diff --git a/src/crypto/crypto_ops_builder/ref10CommentedCombined/ge_sub.c b/src/crypto/crypto_ops_builder/ref10CommentedCombined/ge_sub.c deleted file mode 100644 index 958cd0d..0000000 --- a/src/crypto/crypto_ops_builder/ref10CommentedCombined/ge_sub.c +++ /dev/null @@ -1,10 +0,0 @@ -#include "ge.h" - -/* -r = p - q -*/ - -void ge_sub(ge_p1p1* r, const ge_p3* p, const ge_cached* q) { - fe t0; -#include "ge_sub.h" -} diff --git a/src/crypto/crypto_ops_builder/ref10CommentedCombined/ge_sub.h b/src/crypto/crypto_ops_builder/ref10CommentedCombined/ge_sub.h deleted file mode 100644 index 52e717a..0000000 --- a/src/crypto/crypto_ops_builder/ref10CommentedCombined/ge_sub.h +++ /dev/null @@ -1,97 +0,0 @@ - -/* qhasm: enter ge_sub */ - -/* qhasm: fe X1 */ - -/* qhasm: fe Y1 */ - -/* qhasm: fe Z1 */ - -/* qhasm: fe Z2 */ - -/* qhasm: fe T1 */ - -/* qhasm: fe ZZ */ - -/* qhasm: fe YpX2 */ - -/* qhasm: fe YmX2 */ - -/* qhasm: fe T2d2 */ - -/* qhasm: fe X3 */ - -/* qhasm: fe Y3 */ - -/* qhasm: fe Z3 */ - -/* qhasm: fe T3 */ - -/* qhasm: fe YpX1 */ - -/* qhasm: fe YmX1 */ - -/* qhasm: fe A */ - -/* qhasm: fe B */ - -/* qhasm: fe C */ - -/* qhasm: fe D */ - -/* qhasm: YpX1 = Y1+X1 */ -/* asm 1: fe_add(>YpX1=fe#1,YpX1=r->X,Y,X); */ -fe_add(r->X, p->Y, p->X); - -/* qhasm: YmX1 = Y1-X1 */ -/* asm 1: fe_sub(>YmX1=fe#2,YmX1=r->Y,Y,X); */ -fe_sub(r->Y, p->Y, p->X); - -/* qhasm: A = YpX1*YmX2 */ -/* asm 1: fe_mul(>A=fe#3,A=r->Z,X,YminusX); */ -fe_mul(r->Z, r->X, q->YminusX); - -/* qhasm: B = YmX1*YpX2 */ -/* asm 1: fe_mul(>B=fe#2,B=r->Y,Y,YplusX); */ -fe_mul(r->Y, r->Y, q->YplusX); - -/* qhasm: C = T2d2*T1 */ -/* asm 1: fe_mul(>C=fe#4,C=r->T,T2d,T); */ -fe_mul(r->T, q->T2d, p->T); - -/* qhasm: ZZ = Z1*Z2 */ -/* asm 1: fe_mul(>ZZ=fe#1,ZZ=r->X,Z,Z); */ -fe_mul(r->X, p->Z, q->Z); - -/* qhasm: D = 2*ZZ */ -/* asm 1: fe_add(>D=fe#5,D=t0,X,X); */ -fe_add(t0, r->X, r->X); - -/* qhasm: X3 = A-B */ -/* asm 1: fe_sub(>X3=fe#1,X3=r->X,Z,Y); */ -fe_sub(r->X, r->Z, r->Y); - -/* qhasm: Y3 = A+B */ -/* asm 1: fe_add(>Y3=fe#2,Y3=r->Y,Z,Y); */ -fe_add(r->Y, r->Z, r->Y); - -/* qhasm: Z3 = D-C */ -/* asm 1: fe_sub(>Z3=fe#3,Z3=r->Z,T); */ -fe_sub(r->Z, t0, r->T); - -/* qhasm: T3 = D+C */ -/* asm 1: fe_add(>T3=fe#4,T3=r->T,T); */ -fe_add(r->T, t0, r->T); - -/* qhasm: return */ diff --git a/src/crypto/crypto_ops_builder/ref10CommentedCombined/ge_sub.q b/src/crypto/crypto_ops_builder/ref10CommentedCombined/ge_sub.q deleted file mode 100644 index 2779a4a..0000000 --- a/src/crypto/crypto_ops_builder/ref10CommentedCombined/ge_sub.q +++ /dev/null @@ -1,49 +0,0 @@ -:name:fe:r->X:r->Y:r->Z:r->T:t0:t1:t2:t3:t4:t5:p->X:p->Y:p->Z:p->T:q->YplusX:q->YminusX:q->Z:q->T2d: -fe r:var/r=fe: - -enter f:enter/f:>X1=fe#11:>Y1=fe#12:>Z1=fe#13:>T1=fe#14:>YpX2=fe#15:>YmX2=fe#16:>Z2=fe#17:>T2d2=fe#18: -return:nofallthrough:h=fe:asm/fe_add(>h,h=fe:asm/fe_sub(>h,h=fe:asm/fe_mul(>h,h=fe:asm/fe_sq(>h,h=fe:asm/fe_add(>h,Z); - fe_mul(x, h->X, recip); - fe_mul(y, h->Y, recip); - fe_tobytes(s, y); - s[31] ^= fe_isnegative(x) << 7; -} diff --git a/src/crypto/crypto_ops_builder/ref10CommentedCombined/keypair.c b/src/crypto/crypto_ops_builder/ref10CommentedCombined/keypair.c deleted file mode 100644 index c47cf4f..0000000 --- a/src/crypto/crypto_ops_builder/ref10CommentedCombined/keypair.c +++ /dev/null @@ -1,23 +0,0 @@ -#include - -#include "crypto_hash_sha512.h" -#include "crypto_sign.h" -#include "ge.h" -#include "randombytes.h" - -int crypto_sign_keypair(unsigned char* pk, unsigned char* sk) { - unsigned char az[64]; - ge_p3 A; - - randombytes(sk, 32); - crypto_hash_sha512(az, sk, 32); - az[0] &= 248; - az[31] &= 63; - az[31] |= 64; - - ge_scalarmult_base(&A, az); - ge_p3_tobytes(pk, &A); - - memmove(sk + 32, pk, 32); - return 0; -} diff --git a/src/crypto/crypto_ops_builder/ref10CommentedCombined/open.c b/src/crypto/crypto_ops_builder/ref10CommentedCombined/open.c deleted file mode 100644 index 988d1c0..0000000 --- a/src/crypto/crypto_ops_builder/ref10CommentedCombined/open.c +++ /dev/null @@ -1,52 +0,0 @@ -#include - -#include "crypto_hash_sha512.h" -#include "crypto_sign.h" -#include "crypto_verify_32.h" -#include "ge.h" -#include "sc.h" - -int crypto_sign_open( - unsigned char* m, - unsigned long long* mlen, - const unsigned char* sm, - unsigned long long smlen, - const unsigned char* pk) { - unsigned char pkcopy[32]; - unsigned char rcopy[32]; - unsigned char scopy[32]; - unsigned char h[64]; - unsigned char rcheck[32]; - ge_p3 A; - ge_p2 R; - - if (smlen < 64) - goto badsig; - if (sm[63] & 224) - goto badsig; - if (ge_frombytes_negate_vartime(&A, pk) != 0) - goto badsig; - - memmove(pkcopy, pk, 32); - memmove(rcopy, sm, 32); - memmove(scopy, sm + 32, 32); - - memmove(m, sm, smlen); - memmove(m + 32, pkcopy, 32); - crypto_hash_sha512(h, m, smlen); - sc_reduce(h); - - ge_double_scalarmult_vartime(&R, h, &A, scopy); - ge_tobytes(rcheck, &R); - if (crypto_verify_32(rcheck, rcopy) == 0) { - memmove(m, m + 64, smlen - 64); - memset(m + smlen - 64, 0, 64); - *mlen = smlen - 64; - return 0; - } - -badsig: - *mlen = -1; - memset(m, 0, smlen); - return -1; -} diff --git a/src/crypto/crypto_ops_builder/ref10CommentedCombined/pow22523.h b/src/crypto/crypto_ops_builder/ref10CommentedCombined/pow22523.h deleted file mode 100644 index 26ab59f..0000000 --- a/src/crypto/crypto_ops_builder/ref10CommentedCombined/pow22523.h +++ /dev/null @@ -1,193 +0,0 @@ - -/* qhasm: fe z1 */ - -/* qhasm: fe z2 */ - -/* qhasm: fe z8 */ - -/* qhasm: fe z9 */ - -/* qhasm: fe z11 */ - -/* qhasm: fe z22 */ - -/* qhasm: fe z_5_0 */ - -/* qhasm: fe z_10_5 */ - -/* qhasm: fe z_10_0 */ - -/* qhasm: fe z_20_10 */ - -/* qhasm: fe z_20_0 */ - -/* qhasm: fe z_40_20 */ - -/* qhasm: fe z_40_0 */ - -/* qhasm: fe z_50_10 */ - -/* qhasm: fe z_50_0 */ - -/* qhasm: fe z_100_50 */ - -/* qhasm: fe z_100_0 */ - -/* qhasm: fe z_200_100 */ - -/* qhasm: fe z_200_0 */ - -/* qhasm: fe z_250_50 */ - -/* qhasm: fe z_250_0 */ - -/* qhasm: fe z_252_2 */ - -/* qhasm: fe z_252_3 */ - -/* qhasm: enter pow22523 */ - -/* qhasm: z2 = z1^2^1 */ -/* asm 1: fe_sq(>z2=fe#1,z2=fe#1,>z2=fe#1); */ -/* asm 2: fe_sq(>z2=t0,z2=t0,>z2=t0); */ -fe_sq(t0, z); -for (i = 1; i < 1; ++i) - fe_sq(t0, t0); - -/* qhasm: z8 = z2^2^2 */ -/* asm 1: fe_sq(>z8=fe#2,z8=fe#2,>z8=fe#2); */ -/* asm 2: fe_sq(>z8=t1,z8=t1,>z8=t1); */ -fe_sq(t1, t0); -for (i = 1; i < 2; ++i) - fe_sq(t1, t1); - -/* qhasm: z9 = z1*z8 */ -/* asm 1: fe_mul(>z9=fe#2,z9=t1,z11=fe#1,z11=t0,z22=fe#1,z22=fe#1,>z22=fe#1); */ -/* asm 2: fe_sq(>z22=t0,z22=t0,>z22=t0); */ -fe_sq(t0, t0); -for (i = 1; i < 1; ++i) - fe_sq(t0, t0); - -/* qhasm: z_5_0 = z9*z22 */ -/* asm 1: fe_mul(>z_5_0=fe#1,z_5_0=t0,z_10_5=fe#2,z_10_5=fe#2,>z_10_5=fe#2); - */ -/* asm 2: fe_sq(>z_10_5=t1,z_10_5=t1,>z_10_5=t1); */ -fe_sq(t1, t0); -for (i = 1; i < 5; ++i) - fe_sq(t1, t1); - -/* qhasm: z_10_0 = z_10_5*z_5_0 */ -/* asm 1: fe_mul(>z_10_0=fe#1,z_10_0=t0,z_20_10=fe#2,z_20_10=fe#2,>z_20_10=fe#2); */ -/* asm 2: fe_sq(>z_20_10=t1,z_20_10=t1,>z_20_10=t1); */ -fe_sq(t1, t0); -for (i = 1; i < 10; ++i) - fe_sq(t1, t1); - -/* qhasm: z_20_0 = z_20_10*z_10_0 */ -/* asm 1: fe_mul(>z_20_0=fe#2,z_20_0=t1,z_40_20=fe#3,z_40_20=fe#3,>z_40_20=fe#3); */ -/* asm 2: fe_sq(>z_40_20=t2,z_40_20=t2,>z_40_20=t2); */ -fe_sq(t2, t1); -for (i = 1; i < 20; ++i) - fe_sq(t2, t2); - -/* qhasm: z_40_0 = z_40_20*z_20_0 */ -/* asm 1: fe_mul(>z_40_0=fe#2,z_40_0=t1,z_50_10=fe#2,z_50_10=fe#2,>z_50_10=fe#2); */ -/* asm 2: fe_sq(>z_50_10=t1,z_50_10=t1,>z_50_10=t1); */ -fe_sq(t1, t1); -for (i = 1; i < 10; ++i) - fe_sq(t1, t1); - -/* qhasm: z_50_0 = z_50_10*z_10_0 */ -/* asm 1: fe_mul(>z_50_0=fe#1,z_50_0=t0,z_100_50=fe#2,z_100_50=fe#2,>z_100_50=fe#2); */ -/* asm 2: fe_sq(>z_100_50=t1,z_100_50=t1,>z_100_50=t1); - */ -fe_sq(t1, t0); -for (i = 1; i < 50; ++i) - fe_sq(t1, t1); - -/* qhasm: z_100_0 = z_100_50*z_50_0 */ -/* asm 1: fe_mul(>z_100_0=fe#2,z_100_0=t1,z_200_100=fe#3,z_200_100=fe#3,>z_200_100=fe#3); */ -/* asm 2: fe_sq(>z_200_100=t2,z_200_100=t2,>z_200_100=t2); */ -fe_sq(t2, t1); -for (i = 1; i < 100; ++i) - fe_sq(t2, t2); - -/* qhasm: z_200_0 = z_200_100*z_100_0 */ -/* asm 1: fe_mul(>z_200_0=fe#2,z_200_0=t1,z_250_50=fe#2,z_250_50=fe#2,>z_250_50=fe#2); */ -/* asm 2: fe_sq(>z_250_50=t1,z_250_50=t1,>z_250_50=t1); - */ -fe_sq(t1, t1); -for (i = 1; i < 50; ++i) - fe_sq(t1, t1); - -/* qhasm: z_250_0 = z_250_50*z_50_0 */ -/* asm 1: fe_mul(>z_250_0=fe#1,z_250_0=t0,z_252_2=fe#1,z_252_2=fe#1,>z_252_2=fe#1); */ -/* asm 2: fe_sq(>z_252_2=t0,z_252_2=t0,>z_252_2=t0); */ -fe_sq(t0, t0); -for (i = 1; i < 2; ++i) - fe_sq(t0, t0); - -/* qhasm: z_252_3 = z_252_2*z1 */ -/* asm 1: fe_mul(>z_252_3=fe#12,z_252_3=out,z1=fe#11: -return:nofallthrough:h=fe:asm/fe_mul(>h,h=fe:#k:asm/fe_sq(>h,h,>h);: - -: - -fe z1 -fe z2 -fe z8 -fe z9 -fe z11 -fe z22 -fe z_5_0 -fe z_10_5 -fe z_10_0 -fe z_20_10 -fe z_20_0 -fe z_40_20 -fe z_40_0 -fe z_50_10 -fe z_50_0 -fe z_100_50 -fe z_100_0 -fe z_200_100 -fe z_200_0 -fe z_250_50 -fe z_250_0 -fe z_252_2 -fe z_252_3 - -enter pow22523 - -z2 = z1^2^1 -z8 = z2^2^2 -z9 = z1*z8 -z11 = z2*z9 -z22 = z11^2^1 -z_5_0 = z9*z22 -z_10_5 = z_5_0^2^5 -z_10_0 = z_10_5*z_5_0 -z_20_10 = z_10_0^2^10 -z_20_0 = z_20_10*z_10_0 -z_40_20 = z_20_0^2^20 -z_40_0 = z_40_20*z_20_0 -z_50_10 = z_40_0^2^10 -z_50_0 = z_50_10*z_10_0 -z_100_50 = z_50_0^2^50 -z_100_0 = z_100_50*z_50_0 -z_200_100 = z_100_0^2^100 -z_200_0 = z_200_100*z_100_0 -z_250_50 = z_200_0^2^50 -z_250_0 = z_250_50*z_50_0 -z_252_2 = z_250_0^2^2 -z_252_3 = z_252_2*z1 - -return diff --git a/src/crypto/crypto_ops_builder/ref10CommentedCombined/pow225521.h b/src/crypto/crypto_ops_builder/ref10CommentedCombined/pow225521.h deleted file mode 100644 index cbbd98d..0000000 --- a/src/crypto/crypto_ops_builder/ref10CommentedCombined/pow225521.h +++ /dev/null @@ -1,193 +0,0 @@ - -/* qhasm: fe z1 */ - -/* qhasm: fe z2 */ - -/* qhasm: fe z8 */ - -/* qhasm: fe z9 */ - -/* qhasm: fe z11 */ - -/* qhasm: fe z22 */ - -/* qhasm: fe z_5_0 */ - -/* qhasm: fe z_10_5 */ - -/* qhasm: fe z_10_0 */ - -/* qhasm: fe z_20_10 */ - -/* qhasm: fe z_20_0 */ - -/* qhasm: fe z_40_20 */ - -/* qhasm: fe z_40_0 */ - -/* qhasm: fe z_50_10 */ - -/* qhasm: fe z_50_0 */ - -/* qhasm: fe z_100_50 */ - -/* qhasm: fe z_100_0 */ - -/* qhasm: fe z_200_100 */ - -/* qhasm: fe z_200_0 */ - -/* qhasm: fe z_250_50 */ - -/* qhasm: fe z_250_0 */ - -/* qhasm: fe z_255_5 */ - -/* qhasm: fe z_255_21 */ - -/* qhasm: enter pow225521 */ - -/* qhasm: z2 = z1^2^1 */ -/* asm 1: fe_sq(>z2=fe#1,z2=fe#1,>z2=fe#1); */ -/* asm 2: fe_sq(>z2=t0,z2=t0,>z2=t0); */ -fe_sq(t0, z); -for (i = 1; i < 1; ++i) - fe_sq(t0, t0); - -/* qhasm: z8 = z2^2^2 */ -/* asm 1: fe_sq(>z8=fe#2,z8=fe#2,>z8=fe#2); */ -/* asm 2: fe_sq(>z8=t1,z8=t1,>z8=t1); */ -fe_sq(t1, t0); -for (i = 1; i < 2; ++i) - fe_sq(t1, t1); - -/* qhasm: z9 = z1*z8 */ -/* asm 1: fe_mul(>z9=fe#2,z9=t1,z11=fe#1,z11=t0,z22=fe#3,z22=fe#3,>z22=fe#3); */ -/* asm 2: fe_sq(>z22=t2,z22=t2,>z22=t2); */ -fe_sq(t2, t0); -for (i = 1; i < 1; ++i) - fe_sq(t2, t2); - -/* qhasm: z_5_0 = z9*z22 */ -/* asm 1: fe_mul(>z_5_0=fe#2,z_5_0=t1,z_10_5=fe#3,z_10_5=fe#3,>z_10_5=fe#3); - */ -/* asm 2: fe_sq(>z_10_5=t2,z_10_5=t2,>z_10_5=t2); */ -fe_sq(t2, t1); -for (i = 1; i < 5; ++i) - fe_sq(t2, t2); - -/* qhasm: z_10_0 = z_10_5*z_5_0 */ -/* asm 1: fe_mul(>z_10_0=fe#2,z_10_0=t1,z_20_10=fe#3,z_20_10=fe#3,>z_20_10=fe#3); */ -/* asm 2: fe_sq(>z_20_10=t2,z_20_10=t2,>z_20_10=t2); */ -fe_sq(t2, t1); -for (i = 1; i < 10; ++i) - fe_sq(t2, t2); - -/* qhasm: z_20_0 = z_20_10*z_10_0 */ -/* asm 1: fe_mul(>z_20_0=fe#3,z_20_0=t2,z_40_20=fe#4,z_40_20=fe#4,>z_40_20=fe#4); */ -/* asm 2: fe_sq(>z_40_20=t3,z_40_20=t3,>z_40_20=t3); */ -fe_sq(t3, t2); -for (i = 1; i < 20; ++i) - fe_sq(t3, t3); - -/* qhasm: z_40_0 = z_40_20*z_20_0 */ -/* asm 1: fe_mul(>z_40_0=fe#3,z_40_0=t2,z_50_10=fe#3,z_50_10=fe#3,>z_50_10=fe#3); */ -/* asm 2: fe_sq(>z_50_10=t2,z_50_10=t2,>z_50_10=t2); */ -fe_sq(t2, t2); -for (i = 1; i < 10; ++i) - fe_sq(t2, t2); - -/* qhasm: z_50_0 = z_50_10*z_10_0 */ -/* asm 1: fe_mul(>z_50_0=fe#2,z_50_0=t1,z_100_50=fe#3,z_100_50=fe#3,>z_100_50=fe#3); */ -/* asm 2: fe_sq(>z_100_50=t2,z_100_50=t2,>z_100_50=t2); - */ -fe_sq(t2, t1); -for (i = 1; i < 50; ++i) - fe_sq(t2, t2); - -/* qhasm: z_100_0 = z_100_50*z_50_0 */ -/* asm 1: fe_mul(>z_100_0=fe#3,z_100_0=t2,z_200_100=fe#4,z_200_100=fe#4,>z_200_100=fe#4); */ -/* asm 2: fe_sq(>z_200_100=t3,z_200_100=t3,>z_200_100=t3); */ -fe_sq(t3, t2); -for (i = 1; i < 100; ++i) - fe_sq(t3, t3); - -/* qhasm: z_200_0 = z_200_100*z_100_0 */ -/* asm 1: fe_mul(>z_200_0=fe#3,z_200_0=t2,z_250_50=fe#3,z_250_50=fe#3,>z_250_50=fe#3); */ -/* asm 2: fe_sq(>z_250_50=t2,z_250_50=t2,>z_250_50=t2); - */ -fe_sq(t2, t2); -for (i = 1; i < 50; ++i) - fe_sq(t2, t2); - -/* qhasm: z_250_0 = z_250_50*z_50_0 */ -/* asm 1: fe_mul(>z_250_0=fe#2,z_250_0=t1,z_255_5=fe#2,z_255_5=fe#2,>z_255_5=fe#2); */ -/* asm 2: fe_sq(>z_255_5=t1,z_255_5=t1,>z_255_5=t1); */ -fe_sq(t1, t1); -for (i = 1; i < 5; ++i) - fe_sq(t1, t1); - -/* qhasm: z_255_21 = z_255_5*z11 */ -/* asm 1: fe_mul(>z_255_21=fe#12,z_255_21=out,z1=fe#11: -return:nofallthrough:h=fe:asm/fe_mul(>h,h=fe:#k:asm/fe_sq(>h,h,>h);: - -: - -fe z1 -fe z2 -fe z8 -fe z9 -fe z11 -fe z22 -fe z_5_0 -fe z_10_5 -fe z_10_0 -fe z_20_10 -fe z_20_0 -fe z_40_20 -fe z_40_0 -fe z_50_10 -fe z_50_0 -fe z_100_50 -fe z_100_0 -fe z_200_100 -fe z_200_0 -fe z_250_50 -fe z_250_0 -fe z_255_5 -fe z_255_21 - -enter pow225521 - -z2 = z1^2^1 -z8 = z2^2^2 -z9 = z1*z8 -z11 = z2*z9 -z22 = z11^2^1 -z_5_0 = z9*z22 -z_10_5 = z_5_0^2^5 -z_10_0 = z_10_5*z_5_0 -z_20_10 = z_10_0^2^10 -z_20_0 = z_20_10*z_10_0 -z_40_20 = z_20_0^2^20 -z_40_0 = z_40_20*z_20_0 -z_50_10 = z_40_0^2^10 -z_50_0 = z_50_10*z_10_0 -z_100_50 = z_50_0^2^50 -z_100_0 = z_100_50*z_50_0 -z_200_100 = z_100_0^2^100 -z_200_0 = z_200_100*z_100_0 -z_250_50 = z_200_0^2^50 -z_250_0 = z_250_50*z_50_0 -z_255_5 = z_250_0^2^5 -z_255_21 = z_255_5*z11 - -return diff --git a/src/crypto/crypto_ops_builder/ref10CommentedCombined/q2h.sh b/src/crypto/crypto_ops_builder/ref10CommentedCombined/q2h.sh deleted file mode 100644 index 47ec511..0000000 --- a/src/crypto/crypto_ops_builder/ref10CommentedCombined/q2h.sh +++ /dev/null @@ -1,4 +0,0 @@ -#!/bin/sh -sed 's/^#.*//' \ -| qhasm-generic \ -| sed 's_//\(.*\)$_/*\1 */_' diff --git a/src/crypto/crypto_ops_builder/ref10CommentedCombined/sc.h b/src/crypto/crypto_ops_builder/ref10CommentedCombined/sc.h deleted file mode 100644 index fa1743b..0000000 --- a/src/crypto/crypto_ops_builder/ref10CommentedCombined/sc.h +++ /dev/null @@ -1,16 +0,0 @@ -#ifndef SC_H -#define SC_H - -/* -The set of scalars is \Z/l -where l = 2^252 + 27742317777372353535851937790883648493. -*/ - -#define sc_reduce crypto_sign_ed25519_ref10_sc_reduce -#define sc_muladd crypto_sign_ed25519_ref10_sc_muladd - -extern void sc_reduce(unsigned char*); -extern void sc_muladd( - unsigned char*, const unsigned char*, const unsigned char*, const unsigned char*); - -#endif diff --git a/src/crypto/crypto_ops_builder/ref10CommentedCombined/sc_muladd.c b/src/crypto/crypto_ops_builder/ref10CommentedCombined/sc_muladd.c deleted file mode 100644 index 02d077b..0000000 --- a/src/crypto/crypto_ops_builder/ref10CommentedCombined/sc_muladd.c +++ /dev/null @@ -1,511 +0,0 @@ -#include "crypto_int64.h" -#include "crypto_uint32.h" -#include "crypto_uint64.h" -#include "sc.h" - -static crypto_uint64 load_3(const unsigned char* in) { - crypto_uint64 result; - result = (crypto_uint64)in[0]; - result |= ((crypto_uint64)in[1]) << 8; - result |= ((crypto_uint64)in[2]) << 16; - return result; -} - -static crypto_uint64 load_4(const unsigned char* in) { - crypto_uint64 result; - result = (crypto_uint64)in[0]; - result |= ((crypto_uint64)in[1]) << 8; - result |= ((crypto_uint64)in[2]) << 16; - result |= ((crypto_uint64)in[3]) << 24; - return result; -} - -/* -Input: - a[0]+256*a[1]+...+256^31*a[31] = a - b[0]+256*b[1]+...+256^31*b[31] = b - c[0]+256*c[1]+...+256^31*c[31] = c - -Output: - s[0]+256*s[1]+...+256^31*s[31] = (ab+c) mod l - where l = 2^252 + 27742317777372353535851937790883648493. -*/ - -void sc_muladd( - unsigned char* s, const unsigned char* a, const unsigned char* b, const unsigned char* c) { - crypto_int64 a0 = 2097151 & load_3(a); - crypto_int64 a1 = 2097151 & (load_4(a + 2) >> 5); - crypto_int64 a2 = 2097151 & (load_3(a + 5) >> 2); - crypto_int64 a3 = 2097151 & (load_4(a + 7) >> 7); - crypto_int64 a4 = 2097151 & (load_4(a + 10) >> 4); - crypto_int64 a5 = 2097151 & (load_3(a + 13) >> 1); - crypto_int64 a6 = 2097151 & (load_4(a + 15) >> 6); - crypto_int64 a7 = 2097151 & (load_3(a + 18) >> 3); - crypto_int64 a8 = 2097151 & load_3(a + 21); - crypto_int64 a9 = 2097151 & (load_4(a + 23) >> 5); - crypto_int64 a10 = 2097151 & (load_3(a + 26) >> 2); - crypto_int64 a11 = (load_4(a + 28) >> 7); - crypto_int64 b0 = 2097151 & load_3(b); - crypto_int64 b1 = 2097151 & (load_4(b + 2) >> 5); - crypto_int64 b2 = 2097151 & (load_3(b + 5) >> 2); - crypto_int64 b3 = 2097151 & (load_4(b + 7) >> 7); - crypto_int64 b4 = 2097151 & (load_4(b + 10) >> 4); - crypto_int64 b5 = 2097151 & (load_3(b + 13) >> 1); - crypto_int64 b6 = 2097151 & (load_4(b + 15) >> 6); - crypto_int64 b7 = 2097151 & (load_3(b + 18) >> 3); - crypto_int64 b8 = 2097151 & load_3(b + 21); - crypto_int64 b9 = 2097151 & (load_4(b + 23) >> 5); - crypto_int64 b10 = 2097151 & (load_3(b + 26) >> 2); - crypto_int64 b11 = (load_4(b + 28) >> 7); - crypto_int64 c0 = 2097151 & load_3(c); - crypto_int64 c1 = 2097151 & (load_4(c + 2) >> 5); - crypto_int64 c2 = 2097151 & (load_3(c + 5) >> 2); - crypto_int64 c3 = 2097151 & (load_4(c + 7) >> 7); - crypto_int64 c4 = 2097151 & (load_4(c + 10) >> 4); - crypto_int64 c5 = 2097151 & (load_3(c + 13) >> 1); - crypto_int64 c6 = 2097151 & (load_4(c + 15) >> 6); - crypto_int64 c7 = 2097151 & (load_3(c + 18) >> 3); - crypto_int64 c8 = 2097151 & load_3(c + 21); - crypto_int64 c9 = 2097151 & (load_4(c + 23) >> 5); - crypto_int64 c10 = 2097151 & (load_3(c + 26) >> 2); - crypto_int64 c11 = (load_4(c + 28) >> 7); - crypto_int64 s0; - crypto_int64 s1; - crypto_int64 s2; - crypto_int64 s3; - crypto_int64 s4; - crypto_int64 s5; - crypto_int64 s6; - crypto_int64 s7; - crypto_int64 s8; - crypto_int64 s9; - crypto_int64 s10; - crypto_int64 s11; - crypto_int64 s12; - crypto_int64 s13; - crypto_int64 s14; - crypto_int64 s15; - crypto_int64 s16; - crypto_int64 s17; - crypto_int64 s18; - crypto_int64 s19; - crypto_int64 s20; - crypto_int64 s21; - crypto_int64 s22; - crypto_int64 s23; - crypto_int64 carry0; - crypto_int64 carry1; - crypto_int64 carry2; - crypto_int64 carry3; - crypto_int64 carry4; - crypto_int64 carry5; - crypto_int64 carry6; - crypto_int64 carry7; - crypto_int64 carry8; - crypto_int64 carry9; - crypto_int64 carry10; - crypto_int64 carry11; - crypto_int64 carry12; - crypto_int64 carry13; - crypto_int64 carry14; - crypto_int64 carry15; - crypto_int64 carry16; - crypto_int64 carry17; - crypto_int64 carry18; - crypto_int64 carry19; - crypto_int64 carry20; - crypto_int64 carry21; - crypto_int64 carry22; - - s0 = c0 + a0 * b0; - s1 = c1 + a0 * b1 + a1 * b0; - s2 = c2 + a0 * b2 + a1 * b1 + a2 * b0; - s3 = c3 + a0 * b3 + a1 * b2 + a2 * b1 + a3 * b0; - s4 = c4 + a0 * b4 + a1 * b3 + a2 * b2 + a3 * b1 + a4 * b0; - s5 = c5 + a0 * b5 + a1 * b4 + a2 * b3 + a3 * b2 + a4 * b1 + a5 * b0; - s6 = c6 + a0 * b6 + a1 * b5 + a2 * b4 + a3 * b3 + a4 * b2 + a5 * b1 + a6 * b0; - s7 = c7 + a0 * b7 + a1 * b6 + a2 * b5 + a3 * b4 + a4 * b3 + a5 * b2 + a6 * b1 + a7 * b0; - s8 = c8 + a0 * b8 + a1 * b7 + a2 * b6 + a3 * b5 + a4 * b4 + a5 * b3 + a6 * b2 + a7 * b1 + - a8 * b0; - s9 = c9 + a0 * b9 + a1 * b8 + a2 * b7 + a3 * b6 + a4 * b5 + a5 * b4 + a6 * b3 + a7 * b2 + - a8 * b1 + a9 * b0; - s10 = c10 + a0 * b10 + a1 * b9 + a2 * b8 + a3 * b7 + a4 * b6 + a5 * b5 + a6 * b4 + a7 * b3 + - a8 * b2 + a9 * b1 + a10 * b0; - s11 = c11 + a0 * b11 + a1 * b10 + a2 * b9 + a3 * b8 + a4 * b7 + a5 * b6 + a6 * b5 + a7 * b4 + - a8 * b3 + a9 * b2 + a10 * b1 + a11 * b0; - s12 = a1 * b11 + a2 * b10 + a3 * b9 + a4 * b8 + a5 * b7 + a6 * b6 + a7 * b5 + a8 * b4 + - a9 * b3 + a10 * b2 + a11 * b1; - s13 = a2 * b11 + a3 * b10 + a4 * b9 + a5 * b8 + a6 * b7 + a7 * b6 + a8 * b5 + a9 * b4 + - a10 * b3 + a11 * b2; - s14 = a3 * b11 + a4 * b10 + a5 * b9 + a6 * b8 + a7 * b7 + a8 * b6 + a9 * b5 + a10 * b4 + - a11 * b3; - s15 = a4 * b11 + a5 * b10 + a6 * b9 + a7 * b8 + a8 * b7 + a9 * b6 + a10 * b5 + a11 * b4; - s16 = a5 * b11 + a6 * b10 + a7 * b9 + a8 * b8 + a9 * b7 + a10 * b6 + a11 * b5; - s17 = a6 * b11 + a7 * b10 + a8 * b9 + a9 * b8 + a10 * b7 + a11 * b6; - s18 = a7 * b11 + a8 * b10 + a9 * b9 + a10 * b8 + a11 * b7; - s19 = a8 * b11 + a9 * b10 + a10 * b9 + a11 * b8; - s20 = a9 * b11 + a10 * b10 + a11 * b9; - s21 = a10 * b11 + a11 * b10; - s22 = a11 * b11; - s23 = 0; - - carry0 = (s0 + (1 << 20)) >> 21; - s1 += carry0; - s0 -= carry0 << 21; - carry2 = (s2 + (1 << 20)) >> 21; - s3 += carry2; - s2 -= carry2 << 21; - carry4 = (s4 + (1 << 20)) >> 21; - s5 += carry4; - s4 -= carry4 << 21; - carry6 = (s6 + (1 << 20)) >> 21; - s7 += carry6; - s6 -= carry6 << 21; - carry8 = (s8 + (1 << 20)) >> 21; - s9 += carry8; - s8 -= carry8 << 21; - carry10 = (s10 + (1 << 20)) >> 21; - s11 += carry10; - s10 -= carry10 << 21; - carry12 = (s12 + (1 << 20)) >> 21; - s13 += carry12; - s12 -= carry12 << 21; - carry14 = (s14 + (1 << 20)) >> 21; - s15 += carry14; - s14 -= carry14 << 21; - carry16 = (s16 + (1 << 20)) >> 21; - s17 += carry16; - s16 -= carry16 << 21; - carry18 = (s18 + (1 << 20)) >> 21; - s19 += carry18; - s18 -= carry18 << 21; - carry20 = (s20 + (1 << 20)) >> 21; - s21 += carry20; - s20 -= carry20 << 21; - carry22 = (s22 + (1 << 20)) >> 21; - s23 += carry22; - s22 -= carry22 << 21; - - carry1 = (s1 + (1 << 20)) >> 21; - s2 += carry1; - s1 -= carry1 << 21; - carry3 = (s3 + (1 << 20)) >> 21; - s4 += carry3; - s3 -= carry3 << 21; - carry5 = (s5 + (1 << 20)) >> 21; - s6 += carry5; - s5 -= carry5 << 21; - carry7 = (s7 + (1 << 20)) >> 21; - s8 += carry7; - s7 -= carry7 << 21; - carry9 = (s9 + (1 << 20)) >> 21; - s10 += carry9; - s9 -= carry9 << 21; - carry11 = (s11 + (1 << 20)) >> 21; - s12 += carry11; - s11 -= carry11 << 21; - carry13 = (s13 + (1 << 20)) >> 21; - s14 += carry13; - s13 -= carry13 << 21; - carry15 = (s15 + (1 << 20)) >> 21; - s16 += carry15; - s15 -= carry15 << 21; - carry17 = (s17 + (1 << 20)) >> 21; - s18 += carry17; - s17 -= carry17 << 21; - carry19 = (s19 + (1 << 20)) >> 21; - s20 += carry19; - s19 -= carry19 << 21; - carry21 = (s21 + (1 << 20)) >> 21; - s22 += carry21; - s21 -= carry21 << 21; - - s11 += s23 * 666643; - s12 += s23 * 470296; - s13 += s23 * 654183; - s14 -= s23 * 997805; - s15 += s23 * 136657; - s16 -= s23 * 683901; - s23 = 0; - - s10 += s22 * 666643; - s11 += s22 * 470296; - s12 += s22 * 654183; - s13 -= s22 * 997805; - s14 += s22 * 136657; - s15 -= s22 * 683901; - s22 = 0; - - s9 += s21 * 666643; - s10 += s21 * 470296; - s11 += s21 * 654183; - s12 -= s21 * 997805; - s13 += s21 * 136657; - s14 -= s21 * 683901; - s21 = 0; - - s8 += s20 * 666643; - s9 += s20 * 470296; - s10 += s20 * 654183; - s11 -= s20 * 997805; - s12 += s20 * 136657; - s13 -= s20 * 683901; - s20 = 0; - - s7 += s19 * 666643; - s8 += s19 * 470296; - s9 += s19 * 654183; - s10 -= s19 * 997805; - s11 += s19 * 136657; - s12 -= s19 * 683901; - s19 = 0; - - s6 += s18 * 666643; - s7 += s18 * 470296; - s8 += s18 * 654183; - s9 -= s18 * 997805; - s10 += s18 * 136657; - s11 -= s18 * 683901; - s18 = 0; - - carry6 = (s6 + (1 << 20)) >> 21; - s7 += carry6; - s6 -= carry6 << 21; - carry8 = (s8 + (1 << 20)) >> 21; - s9 += carry8; - s8 -= carry8 << 21; - carry10 = (s10 + (1 << 20)) >> 21; - s11 += carry10; - s10 -= carry10 << 21; - carry12 = (s12 + (1 << 20)) >> 21; - s13 += carry12; - s12 -= carry12 << 21; - carry14 = (s14 + (1 << 20)) >> 21; - s15 += carry14; - s14 -= carry14 << 21; - carry16 = (s16 + (1 << 20)) >> 21; - s17 += carry16; - s16 -= carry16 << 21; - - carry7 = (s7 + (1 << 20)) >> 21; - s8 += carry7; - s7 -= carry7 << 21; - carry9 = (s9 + (1 << 20)) >> 21; - s10 += carry9; - s9 -= carry9 << 21; - carry11 = (s11 + (1 << 20)) >> 21; - s12 += carry11; - s11 -= carry11 << 21; - carry13 = (s13 + (1 << 20)) >> 21; - s14 += carry13; - s13 -= carry13 << 21; - carry15 = (s15 + (1 << 20)) >> 21; - s16 += carry15; - s15 -= carry15 << 21; - - s5 += s17 * 666643; - s6 += s17 * 470296; - s7 += s17 * 654183; - s8 -= s17 * 997805; - s9 += s17 * 136657; - s10 -= s17 * 683901; - s17 = 0; - - s4 += s16 * 666643; - s5 += s16 * 470296; - s6 += s16 * 654183; - s7 -= s16 * 997805; - s8 += s16 * 136657; - s9 -= s16 * 683901; - s16 = 0; - - s3 += s15 * 666643; - s4 += s15 * 470296; - s5 += s15 * 654183; - s6 -= s15 * 997805; - s7 += s15 * 136657; - s8 -= s15 * 683901; - s15 = 0; - - s2 += s14 * 666643; - s3 += s14 * 470296; - s4 += s14 * 654183; - s5 -= s14 * 997805; - s6 += s14 * 136657; - s7 -= s14 * 683901; - s14 = 0; - - s1 += s13 * 666643; - s2 += s13 * 470296; - s3 += s13 * 654183; - s4 -= s13 * 997805; - s5 += s13 * 136657; - s6 -= s13 * 683901; - s13 = 0; - - s0 += s12 * 666643; - s1 += s12 * 470296; - s2 += s12 * 654183; - s3 -= s12 * 997805; - s4 += s12 * 136657; - s5 -= s12 * 683901; - s12 = 0; - - carry0 = (s0 + (1 << 20)) >> 21; - s1 += carry0; - s0 -= carry0 << 21; - carry2 = (s2 + (1 << 20)) >> 21; - s3 += carry2; - s2 -= carry2 << 21; - carry4 = (s4 + (1 << 20)) >> 21; - s5 += carry4; - s4 -= carry4 << 21; - carry6 = (s6 + (1 << 20)) >> 21; - s7 += carry6; - s6 -= carry6 << 21; - carry8 = (s8 + (1 << 20)) >> 21; - s9 += carry8; - s8 -= carry8 << 21; - carry10 = (s10 + (1 << 20)) >> 21; - s11 += carry10; - s10 -= carry10 << 21; - - carry1 = (s1 + (1 << 20)) >> 21; - s2 += carry1; - s1 -= carry1 << 21; - carry3 = (s3 + (1 << 20)) >> 21; - s4 += carry3; - s3 -= carry3 << 21; - carry5 = (s5 + (1 << 20)) >> 21; - s6 += carry5; - s5 -= carry5 << 21; - carry7 = (s7 + (1 << 20)) >> 21; - s8 += carry7; - s7 -= carry7 << 21; - carry9 = (s9 + (1 << 20)) >> 21; - s10 += carry9; - s9 -= carry9 << 21; - carry11 = (s11 + (1 << 20)) >> 21; - s12 += carry11; - s11 -= carry11 << 21; - - s0 += s12 * 666643; - s1 += s12 * 470296; - s2 += s12 * 654183; - s3 -= s12 * 997805; - s4 += s12 * 136657; - s5 -= s12 * 683901; - s12 = 0; - - carry0 = s0 >> 21; - s1 += carry0; - s0 -= carry0 << 21; - carry1 = s1 >> 21; - s2 += carry1; - s1 -= carry1 << 21; - carry2 = s2 >> 21; - s3 += carry2; - s2 -= carry2 << 21; - carry3 = s3 >> 21; - s4 += carry3; - s3 -= carry3 << 21; - carry4 = s4 >> 21; - s5 += carry4; - s4 -= carry4 << 21; - carry5 = s5 >> 21; - s6 += carry5; - s5 -= carry5 << 21; - carry6 = s6 >> 21; - s7 += carry6; - s6 -= carry6 << 21; - carry7 = s7 >> 21; - s8 += carry7; - s7 -= carry7 << 21; - carry8 = s8 >> 21; - s9 += carry8; - s8 -= carry8 << 21; - carry9 = s9 >> 21; - s10 += carry9; - s9 -= carry9 << 21; - carry10 = s10 >> 21; - s11 += carry10; - s10 -= carry10 << 21; - carry11 = s11 >> 21; - s12 += carry11; - s11 -= carry11 << 21; - - s0 += s12 * 666643; - s1 += s12 * 470296; - s2 += s12 * 654183; - s3 -= s12 * 997805; - s4 += s12 * 136657; - s5 -= s12 * 683901; - s12 = 0; - - carry0 = s0 >> 21; - s1 += carry0; - s0 -= carry0 << 21; - carry1 = s1 >> 21; - s2 += carry1; - s1 -= carry1 << 21; - carry2 = s2 >> 21; - s3 += carry2; - s2 -= carry2 << 21; - carry3 = s3 >> 21; - s4 += carry3; - s3 -= carry3 << 21; - carry4 = s4 >> 21; - s5 += carry4; - s4 -= carry4 << 21; - carry5 = s5 >> 21; - s6 += carry5; - s5 -= carry5 << 21; - carry6 = s6 >> 21; - s7 += carry6; - s6 -= carry6 << 21; - carry7 = s7 >> 21; - s8 += carry7; - s7 -= carry7 << 21; - carry8 = s8 >> 21; - s9 += carry8; - s8 -= carry8 << 21; - carry9 = s9 >> 21; - s10 += carry9; - s9 -= carry9 << 21; - carry10 = s10 >> 21; - s11 += carry10; - s10 -= carry10 << 21; - - s[0] = s0 >> 0; - s[1] = s0 >> 8; - s[2] = (s0 >> 16) | (s1 << 5); - s[3] = s1 >> 3; - s[4] = s1 >> 11; - s[5] = (s1 >> 19) | (s2 << 2); - s[6] = s2 >> 6; - s[7] = (s2 >> 14) | (s3 << 7); - s[8] = s3 >> 1; - s[9] = s3 >> 9; - s[10] = (s3 >> 17) | (s4 << 4); - s[11] = s4 >> 4; - s[12] = s4 >> 12; - s[13] = (s4 >> 20) | (s5 << 1); - s[14] = s5 >> 7; - s[15] = (s5 >> 15) | (s6 << 6); - s[16] = s6 >> 2; - s[17] = s6 >> 10; - s[18] = (s6 >> 18) | (s7 << 3); - s[19] = s7 >> 5; - s[20] = s7 >> 13; - s[21] = s8 >> 0; - s[22] = s8 >> 8; - s[23] = (s8 >> 16) | (s9 << 5); - s[24] = s9 >> 3; - s[25] = s9 >> 11; - s[26] = (s9 >> 19) | (s10 << 2); - s[27] = s10 >> 6; - s[28] = (s10 >> 14) | (s11 << 7); - s[29] = s11 >> 1; - s[30] = s11 >> 9; - s[31] = s11 >> 17; -} diff --git a/src/crypto/crypto_ops_builder/ref10CommentedCombined/sc_reduce.c b/src/crypto/crypto_ops_builder/ref10CommentedCombined/sc_reduce.c deleted file mode 100644 index c00cd4f..0000000 --- a/src/crypto/crypto_ops_builder/ref10CommentedCombined/sc_reduce.c +++ /dev/null @@ -1,364 +0,0 @@ -#include "crypto_int64.h" -#include "crypto_uint32.h" -#include "crypto_uint64.h" -#include "sc.h" - -static crypto_uint64 load_3(const unsigned char* in) { - crypto_uint64 result; - result = (crypto_uint64)in[0]; - result |= ((crypto_uint64)in[1]) << 8; - result |= ((crypto_uint64)in[2]) << 16; - return result; -} - -static crypto_uint64 load_4(const unsigned char* in) { - crypto_uint64 result; - result = (crypto_uint64)in[0]; - result |= ((crypto_uint64)in[1]) << 8; - result |= ((crypto_uint64)in[2]) << 16; - result |= ((crypto_uint64)in[3]) << 24; - return result; -} - -/* -Input: - s[0]+256*s[1]+...+256^63*s[63] = s - -Output: - s[0]+256*s[1]+...+256^31*s[31] = s mod l - where l = 2^252 + 27742317777372353535851937790883648493. - Overwrites s in place. -*/ - -void sc_reduce(unsigned char* s) { - crypto_int64 s0 = 2097151 & load_3(s); - crypto_int64 s1 = 2097151 & (load_4(s + 2) >> 5); - crypto_int64 s2 = 2097151 & (load_3(s + 5) >> 2); - crypto_int64 s3 = 2097151 & (load_4(s + 7) >> 7); - crypto_int64 s4 = 2097151 & (load_4(s + 10) >> 4); - crypto_int64 s5 = 2097151 & (load_3(s + 13) >> 1); - crypto_int64 s6 = 2097151 & (load_4(s + 15) >> 6); - crypto_int64 s7 = 2097151 & (load_3(s + 18) >> 3); - crypto_int64 s8 = 2097151 & load_3(s + 21); - crypto_int64 s9 = 2097151 & (load_4(s + 23) >> 5); - crypto_int64 s10 = 2097151 & (load_3(s + 26) >> 2); - crypto_int64 s11 = 2097151 & (load_4(s + 28) >> 7); - crypto_int64 s12 = 2097151 & (load_4(s + 31) >> 4); - crypto_int64 s13 = 2097151 & (load_3(s + 34) >> 1); - crypto_int64 s14 = 2097151 & (load_4(s + 36) >> 6); - crypto_int64 s15 = 2097151 & (load_3(s + 39) >> 3); - crypto_int64 s16 = 2097151 & load_3(s + 42); - crypto_int64 s17 = 2097151 & (load_4(s + 44) >> 5); - crypto_int64 s18 = 2097151 & (load_3(s + 47) >> 2); - crypto_int64 s19 = 2097151 & (load_4(s + 49) >> 7); - crypto_int64 s20 = 2097151 & (load_4(s + 52) >> 4); - crypto_int64 s21 = 2097151 & (load_3(s + 55) >> 1); - crypto_int64 s22 = 2097151 & (load_4(s + 57) >> 6); - crypto_int64 s23 = (load_4(s + 60) >> 3); - crypto_int64 carry0; - crypto_int64 carry1; - crypto_int64 carry2; - crypto_int64 carry3; - crypto_int64 carry4; - crypto_int64 carry5; - crypto_int64 carry6; - crypto_int64 carry7; - crypto_int64 carry8; - crypto_int64 carry9; - crypto_int64 carry10; - crypto_int64 carry11; - crypto_int64 carry12; - crypto_int64 carry13; - crypto_int64 carry14; - crypto_int64 carry15; - crypto_int64 carry16; - - s11 += s23 * 666643; - s12 += s23 * 470296; - s13 += s23 * 654183; - s14 -= s23 * 997805; - s15 += s23 * 136657; - s16 -= s23 * 683901; - s23 = 0; - - s10 += s22 * 666643; - s11 += s22 * 470296; - s12 += s22 * 654183; - s13 -= s22 * 997805; - s14 += s22 * 136657; - s15 -= s22 * 683901; - s22 = 0; - - s9 += s21 * 666643; - s10 += s21 * 470296; - s11 += s21 * 654183; - s12 -= s21 * 997805; - s13 += s21 * 136657; - s14 -= s21 * 683901; - s21 = 0; - - s8 += s20 * 666643; - s9 += s20 * 470296; - s10 += s20 * 654183; - s11 -= s20 * 997805; - s12 += s20 * 136657; - s13 -= s20 * 683901; - s20 = 0; - - s7 += s19 * 666643; - s8 += s19 * 470296; - s9 += s19 * 654183; - s10 -= s19 * 997805; - s11 += s19 * 136657; - s12 -= s19 * 683901; - s19 = 0; - - s6 += s18 * 666643; - s7 += s18 * 470296; - s8 += s18 * 654183; - s9 -= s18 * 997805; - s10 += s18 * 136657; - s11 -= s18 * 683901; - s18 = 0; - - carry6 = (s6 + (1 << 20)) >> 21; - s7 += carry6; - s6 -= carry6 << 21; - carry8 = (s8 + (1 << 20)) >> 21; - s9 += carry8; - s8 -= carry8 << 21; - carry10 = (s10 + (1 << 20)) >> 21; - s11 += carry10; - s10 -= carry10 << 21; - carry12 = (s12 + (1 << 20)) >> 21; - s13 += carry12; - s12 -= carry12 << 21; - carry14 = (s14 + (1 << 20)) >> 21; - s15 += carry14; - s14 -= carry14 << 21; - carry16 = (s16 + (1 << 20)) >> 21; - s17 += carry16; - s16 -= carry16 << 21; - - carry7 = (s7 + (1 << 20)) >> 21; - s8 += carry7; - s7 -= carry7 << 21; - carry9 = (s9 + (1 << 20)) >> 21; - s10 += carry9; - s9 -= carry9 << 21; - carry11 = (s11 + (1 << 20)) >> 21; - s12 += carry11; - s11 -= carry11 << 21; - carry13 = (s13 + (1 << 20)) >> 21; - s14 += carry13; - s13 -= carry13 << 21; - carry15 = (s15 + (1 << 20)) >> 21; - s16 += carry15; - s15 -= carry15 << 21; - - s5 += s17 * 666643; - s6 += s17 * 470296; - s7 += s17 * 654183; - s8 -= s17 * 997805; - s9 += s17 * 136657; - s10 -= s17 * 683901; - s17 = 0; - - s4 += s16 * 666643; - s5 += s16 * 470296; - s6 += s16 * 654183; - s7 -= s16 * 997805; - s8 += s16 * 136657; - s9 -= s16 * 683901; - s16 = 0; - - s3 += s15 * 666643; - s4 += s15 * 470296; - s5 += s15 * 654183; - s6 -= s15 * 997805; - s7 += s15 * 136657; - s8 -= s15 * 683901; - s15 = 0; - - s2 += s14 * 666643; - s3 += s14 * 470296; - s4 += s14 * 654183; - s5 -= s14 * 997805; - s6 += s14 * 136657; - s7 -= s14 * 683901; - s14 = 0; - - s1 += s13 * 666643; - s2 += s13 * 470296; - s3 += s13 * 654183; - s4 -= s13 * 997805; - s5 += s13 * 136657; - s6 -= s13 * 683901; - s13 = 0; - - s0 += s12 * 666643; - s1 += s12 * 470296; - s2 += s12 * 654183; - s3 -= s12 * 997805; - s4 += s12 * 136657; - s5 -= s12 * 683901; - s12 = 0; - - carry0 = (s0 + (1 << 20)) >> 21; - s1 += carry0; - s0 -= carry0 << 21; - carry2 = (s2 + (1 << 20)) >> 21; - s3 += carry2; - s2 -= carry2 << 21; - carry4 = (s4 + (1 << 20)) >> 21; - s5 += carry4; - s4 -= carry4 << 21; - carry6 = (s6 + (1 << 20)) >> 21; - s7 += carry6; - s6 -= carry6 << 21; - carry8 = (s8 + (1 << 20)) >> 21; - s9 += carry8; - s8 -= carry8 << 21; - carry10 = (s10 + (1 << 20)) >> 21; - s11 += carry10; - s10 -= carry10 << 21; - - carry1 = (s1 + (1 << 20)) >> 21; - s2 += carry1; - s1 -= carry1 << 21; - carry3 = (s3 + (1 << 20)) >> 21; - s4 += carry3; - s3 -= carry3 << 21; - carry5 = (s5 + (1 << 20)) >> 21; - s6 += carry5; - s5 -= carry5 << 21; - carry7 = (s7 + (1 << 20)) >> 21; - s8 += carry7; - s7 -= carry7 << 21; - carry9 = (s9 + (1 << 20)) >> 21; - s10 += carry9; - s9 -= carry9 << 21; - carry11 = (s11 + (1 << 20)) >> 21; - s12 += carry11; - s11 -= carry11 << 21; - - s0 += s12 * 666643; - s1 += s12 * 470296; - s2 += s12 * 654183; - s3 -= s12 * 997805; - s4 += s12 * 136657; - s5 -= s12 * 683901; - s12 = 0; - - carry0 = s0 >> 21; - s1 += carry0; - s0 -= carry0 << 21; - carry1 = s1 >> 21; - s2 += carry1; - s1 -= carry1 << 21; - carry2 = s2 >> 21; - s3 += carry2; - s2 -= carry2 << 21; - carry3 = s3 >> 21; - s4 += carry3; - s3 -= carry3 << 21; - carry4 = s4 >> 21; - s5 += carry4; - s4 -= carry4 << 21; - carry5 = s5 >> 21; - s6 += carry5; - s5 -= carry5 << 21; - carry6 = s6 >> 21; - s7 += carry6; - s6 -= carry6 << 21; - carry7 = s7 >> 21; - s8 += carry7; - s7 -= carry7 << 21; - carry8 = s8 >> 21; - s9 += carry8; - s8 -= carry8 << 21; - carry9 = s9 >> 21; - s10 += carry9; - s9 -= carry9 << 21; - carry10 = s10 >> 21; - s11 += carry10; - s10 -= carry10 << 21; - carry11 = s11 >> 21; - s12 += carry11; - s11 -= carry11 << 21; - - s0 += s12 * 666643; - s1 += s12 * 470296; - s2 += s12 * 654183; - s3 -= s12 * 997805; - s4 += s12 * 136657; - s5 -= s12 * 683901; - s12 = 0; - - carry0 = s0 >> 21; - s1 += carry0; - s0 -= carry0 << 21; - carry1 = s1 >> 21; - s2 += carry1; - s1 -= carry1 << 21; - carry2 = s2 >> 21; - s3 += carry2; - s2 -= carry2 << 21; - carry3 = s3 >> 21; - s4 += carry3; - s3 -= carry3 << 21; - carry4 = s4 >> 21; - s5 += carry4; - s4 -= carry4 << 21; - carry5 = s5 >> 21; - s6 += carry5; - s5 -= carry5 << 21; - carry6 = s6 >> 21; - s7 += carry6; - s6 -= carry6 << 21; - carry7 = s7 >> 21; - s8 += carry7; - s7 -= carry7 << 21; - carry8 = s8 >> 21; - s9 += carry8; - s8 -= carry8 << 21; - carry9 = s9 >> 21; - s10 += carry9; - s9 -= carry9 << 21; - carry10 = s10 >> 21; - s11 += carry10; - s10 -= carry10 << 21; - - s[0] = s0 >> 0; - s[1] = s0 >> 8; - s[2] = (s0 >> 16) | (s1 << 5); - s[3] = s1 >> 3; - s[4] = s1 >> 11; - s[5] = (s1 >> 19) | (s2 << 2); - s[6] = s2 >> 6; - s[7] = (s2 >> 14) | (s3 << 7); - s[8] = s3 >> 1; - s[9] = s3 >> 9; - s[10] = (s3 >> 17) | (s4 << 4); - s[11] = s4 >> 4; - s[12] = s4 >> 12; - s[13] = (s4 >> 20) | (s5 << 1); - s[14] = s5 >> 7; - s[15] = (s5 >> 15) | (s6 << 6); - s[16] = s6 >> 2; - s[17] = s6 >> 10; - s[18] = (s6 >> 18) | (s7 << 3); - s[19] = s7 >> 5; - s[20] = s7 >> 13; - s[21] = s8 >> 0; - s[22] = s8 >> 8; - s[23] = (s8 >> 16) | (s9 << 5); - s[24] = s9 >> 3; - s[25] = s9 >> 11; - s[26] = (s9 >> 19) | (s10 << 2); - s[27] = s10 >> 6; - s[28] = (s10 >> 14) | (s11 << 7); - s[29] = s11 >> 1; - s[30] = s11 >> 9; - s[31] = s11 >> 17; -} diff --git a/src/crypto/crypto_ops_builder/ref10CommentedCombined/sc_sub.xmr.c b/src/crypto/crypto_ops_builder/ref10CommentedCombined/sc_sub.xmr.c deleted file mode 100644 index 4c0bc71..0000000 --- a/src/crypto/crypto_ops_builder/ref10CommentedCombined/sc_sub.xmr.c +++ /dev/null @@ -1,715 +0,0 @@ -/* - * sc_sub, sc_mulsub, sc_mul - * - * (These are from the old code as well) - */ - -#include "crypto_int64.h" -#include "crypto_uint32.h" -#include "crypto_uint64.h" -#include "sc.h" - -static crypto_uint64 load_3(const unsigned char* in) { - crypto_uint64 result; - result = (crypto_uint64)in[0]; - result |= ((crypto_uint64)in[1]) << 8; - result |= ((crypto_uint64)in[2]) << 16; - return result; -} - -static crypto_uint64 load_4(const unsigned char* in) { - crypto_uint64 result; - result = (crypto_uint64)in[0]; - result |= ((crypto_uint64)in[1]) << 8; - result |= ((crypto_uint64)in[2]) << 16; - result |= ((crypto_uint64)in[3]) << 24; - return result; -} - -void sc_sub(unsigned char* s, const unsigned char* a, const unsigned char* b) { - int64_t a0 = 2097151 & load_3(a); - int64_t a1 = 2097151 & (load_4(a + 2) >> 5); - int64_t a2 = 2097151 & (load_3(a + 5) >> 2); - int64_t a3 = 2097151 & (load_4(a + 7) >> 7); - int64_t a4 = 2097151 & (load_4(a + 10) >> 4); - int64_t a5 = 2097151 & (load_3(a + 13) >> 1); - int64_t a6 = 2097151 & (load_4(a + 15) >> 6); - int64_t a7 = 2097151 & (load_3(a + 18) >> 3); - int64_t a8 = 2097151 & load_3(a + 21); - int64_t a9 = 2097151 & (load_4(a + 23) >> 5); - int64_t a10 = 2097151 & (load_3(a + 26) >> 2); - int64_t a11 = (load_4(a + 28) >> 7); - int64_t b0 = 2097151 & load_3(b); - int64_t b1 = 2097151 & (load_4(b + 2) >> 5); - int64_t b2 = 2097151 & (load_3(b + 5) >> 2); - int64_t b3 = 2097151 & (load_4(b + 7) >> 7); - int64_t b4 = 2097151 & (load_4(b + 10) >> 4); - int64_t b5 = 2097151 & (load_3(b + 13) >> 1); - int64_t b6 = 2097151 & (load_4(b + 15) >> 6); - int64_t b7 = 2097151 & (load_3(b + 18) >> 3); - int64_t b8 = 2097151 & load_3(b + 21); - int64_t b9 = 2097151 & (load_4(b + 23) >> 5); - int64_t b10 = 2097151 & (load_3(b + 26) >> 2); - int64_t b11 = (load_4(b + 28) >> 7); - int64_t s0 = a0 - b0; - int64_t s1 = a1 - b1; - int64_t s2 = a2 - b2; - int64_t s3 = a3 - b3; - int64_t s4 = a4 - b4; - int64_t s5 = a5 - b5; - int64_t s6 = a6 - b6; - int64_t s7 = a7 - b7; - int64_t s8 = a8 - b8; - int64_t s9 = a9 - b9; - int64_t s10 = a10 - b10; - int64_t s11 = a11 - b11; - int64_t s12 = 0; - int64_t carry0; - int64_t carry1; - int64_t carry2; - int64_t carry3; - int64_t carry4; - int64_t carry5; - int64_t carry6; - int64_t carry7; - int64_t carry8; - int64_t carry9; - int64_t carry10; - int64_t carry11; - - carry0 = (s0 + (1 << 20)) >> 21; - s1 += carry0; - s0 -= carry0 << 21; - carry2 = (s2 + (1 << 20)) >> 21; - s3 += carry2; - s2 -= carry2 << 21; - carry4 = (s4 + (1 << 20)) >> 21; - s5 += carry4; - s4 -= carry4 << 21; - carry6 = (s6 + (1 << 20)) >> 21; - s7 += carry6; - s6 -= carry6 << 21; - carry8 = (s8 + (1 << 20)) >> 21; - s9 += carry8; - s8 -= carry8 << 21; - carry10 = (s10 + (1 << 20)) >> 21; - s11 += carry10; - s10 -= carry10 << 21; - - carry1 = (s1 + (1 << 20)) >> 21; - s2 += carry1; - s1 -= carry1 << 21; - carry3 = (s3 + (1 << 20)) >> 21; - s4 += carry3; - s3 -= carry3 << 21; - carry5 = (s5 + (1 << 20)) >> 21; - s6 += carry5; - s5 -= carry5 << 21; - carry7 = (s7 + (1 << 20)) >> 21; - s8 += carry7; - s7 -= carry7 << 21; - carry9 = (s9 + (1 << 20)) >> 21; - s10 += carry9; - s9 -= carry9 << 21; - carry11 = (s11 + (1 << 20)) >> 21; - s12 += carry11; - s11 -= carry11 << 21; - - s0 += s12 * 666643; - s1 += s12 * 470296; - s2 += s12 * 654183; - s3 -= s12 * 997805; - s4 += s12 * 136657; - s5 -= s12 * 683901; - s12 = 0; - - carry0 = s0 >> 21; - s1 += carry0; - s0 -= carry0 << 21; - carry1 = s1 >> 21; - s2 += carry1; - s1 -= carry1 << 21; - carry2 = s2 >> 21; - s3 += carry2; - s2 -= carry2 << 21; - carry3 = s3 >> 21; - s4 += carry3; - s3 -= carry3 << 21; - carry4 = s4 >> 21; - s5 += carry4; - s4 -= carry4 << 21; - carry5 = s5 >> 21; - s6 += carry5; - s5 -= carry5 << 21; - carry6 = s6 >> 21; - s7 += carry6; - s6 -= carry6 << 21; - carry7 = s7 >> 21; - s8 += carry7; - s7 -= carry7 << 21; - carry8 = s8 >> 21; - s9 += carry8; - s8 -= carry8 << 21; - carry9 = s9 >> 21; - s10 += carry9; - s9 -= carry9 << 21; - carry10 = s10 >> 21; - s11 += carry10; - s10 -= carry10 << 21; - carry11 = s11 >> 21; - s12 += carry11; - s11 -= carry11 << 21; - - s0 += s12 * 666643; - s1 += s12 * 470296; - s2 += s12 * 654183; - s3 -= s12 * 997805; - s4 += s12 * 136657; - s5 -= s12 * 683901; - - carry0 = s0 >> 21; - s1 += carry0; - s0 -= carry0 << 21; - carry1 = s1 >> 21; - s2 += carry1; - s1 -= carry1 << 21; - carry2 = s2 >> 21; - s3 += carry2; - s2 -= carry2 << 21; - carry3 = s3 >> 21; - s4 += carry3; - s3 -= carry3 << 21; - carry4 = s4 >> 21; - s5 += carry4; - s4 -= carry4 << 21; - carry5 = s5 >> 21; - s6 += carry5; - s5 -= carry5 << 21; - carry6 = s6 >> 21; - s7 += carry6; - s6 -= carry6 << 21; - carry7 = s7 >> 21; - s8 += carry7; - s7 -= carry7 << 21; - carry8 = s8 >> 21; - s9 += carry8; - s8 -= carry8 << 21; - carry9 = s9 >> 21; - s10 += carry9; - s9 -= carry9 << 21; - carry10 = s10 >> 21; - s11 += carry10; - s10 -= carry10 << 21; - - s[0] = s0 >> 0; - s[1] = s0 >> 8; - s[2] = (s0 >> 16) | (s1 << 5); - s[3] = s1 >> 3; - s[4] = s1 >> 11; - s[5] = (s1 >> 19) | (s2 << 2); - s[6] = s2 >> 6; - s[7] = (s2 >> 14) | (s3 << 7); - s[8] = s3 >> 1; - s[9] = s3 >> 9; - s[10] = (s3 >> 17) | (s4 << 4); - s[11] = s4 >> 4; - s[12] = s4 >> 12; - s[13] = (s4 >> 20) | (s5 << 1); - s[14] = s5 >> 7; - s[15] = (s5 >> 15) | (s6 << 6); - s[16] = s6 >> 2; - s[17] = s6 >> 10; - s[18] = (s6 >> 18) | (s7 << 3); - s[19] = s7 >> 5; - s[20] = s7 >> 13; - s[21] = s8 >> 0; - s[22] = s8 >> 8; - s[23] = (s8 >> 16) | (s9 << 5); - s[24] = s9 >> 3; - s[25] = s9 >> 11; - s[26] = (s9 >> 19) | (s10 << 2); - s[27] = s10 >> 6; - s[28] = (s10 >> 14) | (s11 << 7); - s[29] = s11 >> 1; - s[30] = s11 >> 9; - s[31] = s11 >> 17; -} - -/* -Input: - a[0]+256*a[1]+...+256^31*a[31] = a - b[0]+256*b[1]+...+256^31*b[31] = b - c[0]+256*c[1]+...+256^31*c[31] = c - -Output: - s[0]+256*s[1]+...+256^31*s[31] = (c-ab) mod l - where l = 2^252 + 27742317777372353535851937790883648493. -*/ - -// x -void sc_mulsub( - unsigned char* s, const unsigned char* a, const unsigned char* b, const unsigned char* c) { - int64_t a0 = 2097151 & load_3(a); - int64_t a1 = 2097151 & (load_4(a + 2) >> 5); - int64_t a2 = 2097151 & (load_3(a + 5) >> 2); - int64_t a3 = 2097151 & (load_4(a + 7) >> 7); - int64_t a4 = 2097151 & (load_4(a + 10) >> 4); - int64_t a5 = 2097151 & (load_3(a + 13) >> 1); - int64_t a6 = 2097151 & (load_4(a + 15) >> 6); - int64_t a7 = 2097151 & (load_3(a + 18) >> 3); - int64_t a8 = 2097151 & load_3(a + 21); - int64_t a9 = 2097151 & (load_4(a + 23) >> 5); - int64_t a10 = 2097151 & (load_3(a + 26) >> 2); - int64_t a11 = (load_4(a + 28) >> 7); - int64_t b0 = 2097151 & load_3(b); - int64_t b1 = 2097151 & (load_4(b + 2) >> 5); - int64_t b2 = 2097151 & (load_3(b + 5) >> 2); - int64_t b3 = 2097151 & (load_4(b + 7) >> 7); - int64_t b4 = 2097151 & (load_4(b + 10) >> 4); - int64_t b5 = 2097151 & (load_3(b + 13) >> 1); - int64_t b6 = 2097151 & (load_4(b + 15) >> 6); - int64_t b7 = 2097151 & (load_3(b + 18) >> 3); - int64_t b8 = 2097151 & load_3(b + 21); - int64_t b9 = 2097151 & (load_4(b + 23) >> 5); - int64_t b10 = 2097151 & (load_3(b + 26) >> 2); - int64_t b11 = (load_4(b + 28) >> 7); - int64_t c0 = 2097151 & load_3(c); - int64_t c1 = 2097151 & (load_4(c + 2) >> 5); - int64_t c2 = 2097151 & (load_3(c + 5) >> 2); - int64_t c3 = 2097151 & (load_4(c + 7) >> 7); - int64_t c4 = 2097151 & (load_4(c + 10) >> 4); - int64_t c5 = 2097151 & (load_3(c + 13) >> 1); - int64_t c6 = 2097151 & (load_4(c + 15) >> 6); - int64_t c7 = 2097151 & (load_3(c + 18) >> 3); - int64_t c8 = 2097151 & load_3(c + 21); - int64_t c9 = 2097151 & (load_4(c + 23) >> 5); - int64_t c10 = 2097151 & (load_3(c + 26) >> 2); - int64_t c11 = (load_4(c + 28) >> 7); - int64_t s0; - int64_t s1; - int64_t s2; - int64_t s3; - int64_t s4; - int64_t s5; - int64_t s6; - int64_t s7; - int64_t s8; - int64_t s9; - int64_t s10; - int64_t s11; - int64_t s12; - int64_t s13; - int64_t s14; - int64_t s15; - int64_t s16; - int64_t s17; - int64_t s18; - int64_t s19; - int64_t s20; - int64_t s21; - int64_t s22; - int64_t s23; - int64_t carry0; - int64_t carry1; - int64_t carry2; - int64_t carry3; - int64_t carry4; - int64_t carry5; - int64_t carry6; - int64_t carry7; - int64_t carry8; - int64_t carry9; - int64_t carry10; - int64_t carry11; - int64_t carry12; - int64_t carry13; - int64_t carry14; - int64_t carry15; - int64_t carry16; - int64_t carry17; - int64_t carry18; - int64_t carry19; - int64_t carry20; - int64_t carry21; - int64_t carry22; - - s0 = c0 - a0 * b0; - s1 = c1 - (a0 * b1 + a1 * b0); - s2 = c2 - (a0 * b2 + a1 * b1 + a2 * b0); - s3 = c3 - (a0 * b3 + a1 * b2 + a2 * b1 + a3 * b0); - s4 = c4 - (a0 * b4 + a1 * b3 + a2 * b2 + a3 * b1 + a4 * b0); - s5 = c5 - (a0 * b5 + a1 * b4 + a2 * b3 + a3 * b2 + a4 * b1 + a5 * b0); - s6 = c6 - (a0 * b6 + a1 * b5 + a2 * b4 + a3 * b3 + a4 * b2 + a5 * b1 + a6 * b0); - s7 = c7 - (a0 * b7 + a1 * b6 + a2 * b5 + a3 * b4 + a4 * b3 + a5 * b2 + a6 * b1 + a7 * b0); - s8 = c8 - - (a0 * b8 + a1 * b7 + a2 * b6 + a3 * b5 + a4 * b4 + a5 * b3 + a6 * b2 + a7 * b1 + a8 * b0); - s9 = c9 - (a0 * b9 + a1 * b8 + a2 * b7 + a3 * b6 + a4 * b5 + a5 * b4 + a6 * b3 + a7 * b2 + - a8 * b1 + a9 * b0); - s10 = c10 - (a0 * b10 + a1 * b9 + a2 * b8 + a3 * b7 + a4 * b6 + a5 * b5 + a6 * b4 + a7 * b3 + - a8 * b2 + a9 * b1 + a10 * b0); - s11 = c11 - (a0 * b11 + a1 * b10 + a2 * b9 + a3 * b8 + a4 * b7 + a5 * b6 + a6 * b5 + a7 * b4 + - a8 * b3 + a9 * b2 + a10 * b1 + a11 * b0); - s12 = -(a1 * b11 + a2 * b10 + a3 * b9 + a4 * b8 + a5 * b7 + a6 * b6 + a7 * b5 + a8 * b4 + - a9 * b3 + a10 * b2 + a11 * b1); - s13 = -(a2 * b11 + a3 * b10 + a4 * b9 + a5 * b8 + a6 * b7 + a7 * b6 + a8 * b5 + a9 * b4 + - a10 * b3 + a11 * b2); - s14 = -(a3 * b11 + a4 * b10 + a5 * b9 + a6 * b8 + a7 * b7 + a8 * b6 + a9 * b5 + a10 * b4 + - a11 * b3); - s15 = -(a4 * b11 + a5 * b10 + a6 * b9 + a7 * b8 + a8 * b7 + a9 * b6 + a10 * b5 + a11 * b4); - s16 = -(a5 * b11 + a6 * b10 + a7 * b9 + a8 * b8 + a9 * b7 + a10 * b6 + a11 * b5); - s17 = -(a6 * b11 + a7 * b10 + a8 * b9 + a9 * b8 + a10 * b7 + a11 * b6); - s18 = -(a7 * b11 + a8 * b10 + a9 * b9 + a10 * b8 + a11 * b7); - s19 = -(a8 * b11 + a9 * b10 + a10 * b9 + a11 * b8); - s20 = -(a9 * b11 + a10 * b10 + a11 * b9); - s21 = -(a10 * b11 + a11 * b10); - s22 = -a11 * b11; - s23 = 0; - - carry0 = (s0 + (1 << 20)) >> 21; - s1 += carry0; - s0 -= carry0 << 21; - carry2 = (s2 + (1 << 20)) >> 21; - s3 += carry2; - s2 -= carry2 << 21; - carry4 = (s4 + (1 << 20)) >> 21; - s5 += carry4; - s4 -= carry4 << 21; - carry6 = (s6 + (1 << 20)) >> 21; - s7 += carry6; - s6 -= carry6 << 21; - carry8 = (s8 + (1 << 20)) >> 21; - s9 += carry8; - s8 -= carry8 << 21; - carry10 = (s10 + (1 << 20)) >> 21; - s11 += carry10; - s10 -= carry10 << 21; - carry12 = (s12 + (1 << 20)) >> 21; - s13 += carry12; - s12 -= carry12 << 21; - carry14 = (s14 + (1 << 20)) >> 21; - s15 += carry14; - s14 -= carry14 << 21; - carry16 = (s16 + (1 << 20)) >> 21; - s17 += carry16; - s16 -= carry16 << 21; - carry18 = (s18 + (1 << 20)) >> 21; - s19 += carry18; - s18 -= carry18 << 21; - carry20 = (s20 + (1 << 20)) >> 21; - s21 += carry20; - s20 -= carry20 << 21; - carry22 = (s22 + (1 << 20)) >> 21; - s23 += carry22; - s22 -= carry22 << 21; - - carry1 = (s1 + (1 << 20)) >> 21; - s2 += carry1; - s1 -= carry1 << 21; - carry3 = (s3 + (1 << 20)) >> 21; - s4 += carry3; - s3 -= carry3 << 21; - carry5 = (s5 + (1 << 20)) >> 21; - s6 += carry5; - s5 -= carry5 << 21; - carry7 = (s7 + (1 << 20)) >> 21; - s8 += carry7; - s7 -= carry7 << 21; - carry9 = (s9 + (1 << 20)) >> 21; - s10 += carry9; - s9 -= carry9 << 21; - carry11 = (s11 + (1 << 20)) >> 21; - s12 += carry11; - s11 -= carry11 << 21; - carry13 = (s13 + (1 << 20)) >> 21; - s14 += carry13; - s13 -= carry13 << 21; - carry15 = (s15 + (1 << 20)) >> 21; - s16 += carry15; - s15 -= carry15 << 21; - carry17 = (s17 + (1 << 20)) >> 21; - s18 += carry17; - s17 -= carry17 << 21; - carry19 = (s19 + (1 << 20)) >> 21; - s20 += carry19; - s19 -= carry19 << 21; - carry21 = (s21 + (1 << 20)) >> 21; - s22 += carry21; - s21 -= carry21 << 21; - - s11 += s23 * 666643; - s12 += s23 * 470296; - s13 += s23 * 654183; - s14 -= s23 * 997805; - s15 += s23 * 136657; - s16 -= s23 * 683901; - - s10 += s22 * 666643; - s11 += s22 * 470296; - s12 += s22 * 654183; - s13 -= s22 * 997805; - s14 += s22 * 136657; - s15 -= s22 * 683901; - - s9 += s21 * 666643; - s10 += s21 * 470296; - s11 += s21 * 654183; - s12 -= s21 * 997805; - s13 += s21 * 136657; - s14 -= s21 * 683901; - - s8 += s20 * 666643; - s9 += s20 * 470296; - s10 += s20 * 654183; - s11 -= s20 * 997805; - s12 += s20 * 136657; - s13 -= s20 * 683901; - - s7 += s19 * 666643; - s8 += s19 * 470296; - s9 += s19 * 654183; - s10 -= s19 * 997805; - s11 += s19 * 136657; - s12 -= s19 * 683901; - - s6 += s18 * 666643; - s7 += s18 * 470296; - s8 += s18 * 654183; - s9 -= s18 * 997805; - s10 += s18 * 136657; - s11 -= s18 * 683901; - - carry6 = (s6 + (1 << 20)) >> 21; - s7 += carry6; - s6 -= carry6 << 21; - carry8 = (s8 + (1 << 20)) >> 21; - s9 += carry8; - s8 -= carry8 << 21; - carry10 = (s10 + (1 << 20)) >> 21; - s11 += carry10; - s10 -= carry10 << 21; - carry12 = (s12 + (1 << 20)) >> 21; - s13 += carry12; - s12 -= carry12 << 21; - carry14 = (s14 + (1 << 20)) >> 21; - s15 += carry14; - s14 -= carry14 << 21; - carry16 = (s16 + (1 << 20)) >> 21; - s17 += carry16; - s16 -= carry16 << 21; - - carry7 = (s7 + (1 << 20)) >> 21; - s8 += carry7; - s7 -= carry7 << 21; - carry9 = (s9 + (1 << 20)) >> 21; - s10 += carry9; - s9 -= carry9 << 21; - carry11 = (s11 + (1 << 20)) >> 21; - s12 += carry11; - s11 -= carry11 << 21; - carry13 = (s13 + (1 << 20)) >> 21; - s14 += carry13; - s13 -= carry13 << 21; - carry15 = (s15 + (1 << 20)) >> 21; - s16 += carry15; - s15 -= carry15 << 21; - - s5 += s17 * 666643; - s6 += s17 * 470296; - s7 += s17 * 654183; - s8 -= s17 * 997805; - s9 += s17 * 136657; - s10 -= s17 * 683901; - - s4 += s16 * 666643; - s5 += s16 * 470296; - s6 += s16 * 654183; - s7 -= s16 * 997805; - s8 += s16 * 136657; - s9 -= s16 * 683901; - - s3 += s15 * 666643; - s4 += s15 * 470296; - s5 += s15 * 654183; - s6 -= s15 * 997805; - s7 += s15 * 136657; - s8 -= s15 * 683901; - - s2 += s14 * 666643; - s3 += s14 * 470296; - s4 += s14 * 654183; - s5 -= s14 * 997805; - s6 += s14 * 136657; - s7 -= s14 * 683901; - - s1 += s13 * 666643; - s2 += s13 * 470296; - s3 += s13 * 654183; - s4 -= s13 * 997805; - s5 += s13 * 136657; - s6 -= s13 * 683901; - - s0 += s12 * 666643; - s1 += s12 * 470296; - s2 += s12 * 654183; - s3 -= s12 * 997805; - s4 += s12 * 136657; - s5 -= s12 * 683901; - s12 = 0; - - carry0 = (s0 + (1 << 20)) >> 21; - s1 += carry0; - s0 -= carry0 << 21; - carry2 = (s2 + (1 << 20)) >> 21; - s3 += carry2; - s2 -= carry2 << 21; - carry4 = (s4 + (1 << 20)) >> 21; - s5 += carry4; - s4 -= carry4 << 21; - carry6 = (s6 + (1 << 20)) >> 21; - s7 += carry6; - s6 -= carry6 << 21; - carry8 = (s8 + (1 << 20)) >> 21; - s9 += carry8; - s8 -= carry8 << 21; - carry10 = (s10 + (1 << 20)) >> 21; - s11 += carry10; - s10 -= carry10 << 21; - - carry1 = (s1 + (1 << 20)) >> 21; - s2 += carry1; - s1 -= carry1 << 21; - carry3 = (s3 + (1 << 20)) >> 21; - s4 += carry3; - s3 -= carry3 << 21; - carry5 = (s5 + (1 << 20)) >> 21; - s6 += carry5; - s5 -= carry5 << 21; - carry7 = (s7 + (1 << 20)) >> 21; - s8 += carry7; - s7 -= carry7 << 21; - carry9 = (s9 + (1 << 20)) >> 21; - s10 += carry9; - s9 -= carry9 << 21; - carry11 = (s11 + (1 << 20)) >> 21; - s12 += carry11; - s11 -= carry11 << 21; - - s0 += s12 * 666643; - s1 += s12 * 470296; - s2 += s12 * 654183; - s3 -= s12 * 997805; - s4 += s12 * 136657; - s5 -= s12 * 683901; - s12 = 0; - - carry0 = s0 >> 21; - s1 += carry0; - s0 -= carry0 << 21; - carry1 = s1 >> 21; - s2 += carry1; - s1 -= carry1 << 21; - carry2 = s2 >> 21; - s3 += carry2; - s2 -= carry2 << 21; - carry3 = s3 >> 21; - s4 += carry3; - s3 -= carry3 << 21; - carry4 = s4 >> 21; - s5 += carry4; - s4 -= carry4 << 21; - carry5 = s5 >> 21; - s6 += carry5; - s5 -= carry5 << 21; - carry6 = s6 >> 21; - s7 += carry6; - s6 -= carry6 << 21; - carry7 = s7 >> 21; - s8 += carry7; - s7 -= carry7 << 21; - carry8 = s8 >> 21; - s9 += carry8; - s8 -= carry8 << 21; - carry9 = s9 >> 21; - s10 += carry9; - s9 -= carry9 << 21; - carry10 = s10 >> 21; - s11 += carry10; - s10 -= carry10 << 21; - carry11 = s11 >> 21; - s12 += carry11; - s11 -= carry11 << 21; - - s0 += s12 * 666643; - s1 += s12 * 470296; - s2 += s12 * 654183; - s3 -= s12 * 997805; - s4 += s12 * 136657; - s5 -= s12 * 683901; - - carry0 = s0 >> 21; - s1 += carry0; - s0 -= carry0 << 21; - carry1 = s1 >> 21; - s2 += carry1; - s1 -= carry1 << 21; - carry2 = s2 >> 21; - s3 += carry2; - s2 -= carry2 << 21; - carry3 = s3 >> 21; - s4 += carry3; - s3 -= carry3 << 21; - carry4 = s4 >> 21; - s5 += carry4; - s4 -= carry4 << 21; - carry5 = s5 >> 21; - s6 += carry5; - s5 -= carry5 << 21; - carry6 = s6 >> 21; - s7 += carry6; - s6 -= carry6 << 21; - carry7 = s7 >> 21; - s8 += carry7; - s7 -= carry7 << 21; - carry8 = s8 >> 21; - s9 += carry8; - s8 -= carry8 << 21; - carry9 = s9 >> 21; - s10 += carry9; - s9 -= carry9 << 21; - carry10 = s10 >> 21; - s11 += carry10; - s10 -= carry10 << 21; - - s[0] = s0 >> 0; - s[1] = s0 >> 8; - s[2] = (s0 >> 16) | (s1 << 5); - s[3] = s1 >> 3; - s[4] = s1 >> 11; - s[5] = (s1 >> 19) | (s2 << 2); - s[6] = s2 >> 6; - s[7] = (s2 >> 14) | (s3 << 7); - s[8] = s3 >> 1; - s[9] = s3 >> 9; - s[10] = (s3 >> 17) | (s4 << 4); - s[11] = s4 >> 4; - s[12] = s4 >> 12; - s[13] = (s4 >> 20) | (s5 << 1); - s[14] = s5 >> 7; - s[15] = (s5 >> 15) | (s6 << 6); - s[16] = s6 >> 2; - s[17] = s6 >> 10; - s[18] = (s6 >> 18) | (s7 << 3); - s[19] = s7 >> 5; - s[20] = s7 >> 13; - s[21] = s8 >> 0; - s[22] = s8 >> 8; - s[23] = (s8 >> 16) | (s9 << 5); - s[24] = s9 >> 3; - s[25] = s9 >> 11; - s[26] = (s9 >> 19) | (s10 << 2); - s[27] = s10 >> 6; - s[28] = (s10 >> 14) | (s11 << 7); - s[29] = s11 >> 1; - s[30] = s11 >> 9; - s[31] = s11 >> 17; -} diff --git a/src/crypto/crypto_ops_builder/ref10CommentedCombined/scrap.txt b/src/crypto/crypto_ops_builder/ref10CommentedCombined/scrap.txt deleted file mode 100644 index 9a02605..0000000 --- a/src/crypto/crypto_ops_builder/ref10CommentedCombined/scrap.txt +++ /dev/null @@ -1,53 +0,0 @@ -#include "ge.h" - -/* -r = p + q -*/ - -void ge_add(ge_p1p1 *r,const ge_p3 *p,const ge_cached *q) -{ - fe t0; - - - - - - - - - - - - - - - - - - - - - -fe_add(r->X,p->Y,p->X); - -fe_sub(r->Y,p->Y,p->X); - -fe_mul(r->Z,r->X,q->YplusX); - -fe_mul(r->Y,r->Y,q->YminusX); - -fe_mul(r->T,q->T2d,p->T); - -fe_mul(r->X,p->Z,q->Z); - -fe_add(t0,r->X,r->X); - -fe_sub(r->X,r->Z,r->Y); - -fe_add(r->Y,r->Z,r->Y); - -fe_add(r->Z,t0,r->T); - -fe_sub(r->T,t0,r->T); - -} diff --git a/src/crypto/crypto_ops_builder/ref10CommentedCombined/sign.c b/src/crypto/crypto_ops_builder/ref10CommentedCombined/sign.c deleted file mode 100644 index 1295563..0000000 --- a/src/crypto/crypto_ops_builder/ref10CommentedCombined/sign.c +++ /dev/null @@ -1,42 +0,0 @@ -#include - -#include "crypto_hash_sha512.h" -#include "crypto_sign.h" -#include "ge.h" -#include "sc.h" - -int crypto_sign( - unsigned char* sm, - unsigned long long* smlen, - const unsigned char* m, - unsigned long long mlen, - const unsigned char* sk) { - unsigned char pk[32]; - unsigned char az[64]; - unsigned char nonce[64]; - unsigned char hram[64]; - ge_p3 R; - - memmove(pk, sk + 32, 32); - - crypto_hash_sha512(az, sk, 32); - az[0] &= 248; - az[31] &= 63; - az[31] |= 64; - - *smlen = mlen + 64; - memmove(sm + 64, m, mlen); - memmove(sm + 32, az + 32, 32); - crypto_hash_sha512(nonce, sm + 32, mlen + 32); - memmove(sm + 32, pk, 32); - - sc_reduce(nonce); - ge_scalarmult_base(&R, nonce); - ge_p3_tobytes(sm, &R); - - crypto_hash_sha512(hram, sm, mlen + 64); - sc_reduce(hram); - sc_muladd(sm + 32, hram, az, nonce); - - return 0; -} diff --git a/src/crypto/crypto_ops_builder/ref10CommentedCombined/sqrtm1.h b/src/crypto/crypto_ops_builder/ref10CommentedCombined/sqrtm1.h deleted file mode 100644 index 595dd34..0000000 --- a/src/crypto/crypto_ops_builder/ref10CommentedCombined/sqrtm1.h +++ /dev/null @@ -1 +0,0 @@ -- 32595792, -7943725, 9377950, 3500415, 12389472, -272473, -25146209, -2005654, 326686, 11406482 diff --git a/src/crypto/crypto_ops_builder/ref10CommentedCombined/sqrtm1.py b/src/crypto/crypto_ops_builder/ref10CommentedCombined/sqrtm1.py deleted file mode 100644 index 9a47fbc..0000000 --- a/src/crypto/crypto_ops_builder/ref10CommentedCombined/sqrtm1.py +++ /dev/null @@ -1,28 +0,0 @@ -q = 2**255 - 19 - -def expmod(b,e,m): - if e == 0: return 1 - t = expmod(b,e/2,m)**2 % m - if e & 1: t = (t*b) % m - return t - -def inv(x): - return expmod(x,q-2,q) - -def radix255(x): - x = x % q - if x + x > q: x -= q - x = [x,0,0,0,0,0,0,0,0,0] - bits = [26,25,26,25,26,25,26,25,26,25] - for i in range(9): - carry = (x[i] + 2**(bits[i]-1)) / 2**bits[i] - x[i] -= carry * 2**bits[i] - x[i + 1] += carry - result = "" - for i in range(9): - result = result+str(x[i])+"," - result = result+str(x[9]) - return result - -I = expmod(2,(q-1)/4,q) -print radix255(I) diff --git a/src/crypto/crypto_ops_builder/ref10CommentedCombined/test.py b/src/crypto/crypto_ops_builder/ref10CommentedCombined/test.py deleted file mode 100644 index 10fa408..0000000 --- a/src/crypto/crypto_ops_builder/ref10CommentedCombined/test.py +++ /dev/null @@ -1,5 +0,0 @@ -import os -l = "(((int) (s[0] | s[1] | s[2] | s[3] | s[4] | s[5] | s[6] | s[7] | s[8] | s[9] | s[10] | s[11] | s[12] | s[13] | s[14] | s[15] | s[16] | s[17] | s[18] | s[19] | s[20] | s[21] | s[22] | s[23] | s[24] | s[25] | s[26] | s[27] | s[28] | s[29] | s[30] | s[31]) - 1) >> 8) + 1;" - -os.system("sed -i 's/crypto_verify_32(s, zero)/"+l+"/' crypto-ops.c") - diff --git a/src/crypto/crypto_ops_builder/ref10CommentedCombined/xmrSpecificOld.c b/src/crypto/crypto_ops_builder/ref10CommentedCombined/xmrSpecificOld.c deleted file mode 100644 index 0035094..0000000 --- a/src/crypto/crypto_ops_builder/ref10CommentedCombined/xmrSpecificOld.c +++ /dev/null @@ -1,988 +0,0 @@ -/*Code inherited from the original cryptonote (I didn't write these) */ -/*These functions either don't exist in, or are modified from ref10*/ - -/* From fe_isnonzero.c, modified */ - -// x -static int fe_isnonzero(const fe f) { - unsigned char s[32]; - fe_tobytes(s, f); - return (((int)(s[0] | s[1] | s[2] | s[3] | s[4] | s[5] | s[6] | s[7] | s[8] | s[9] | s[10] | - s[11] | s[12] | s[13] | s[14] | s[15] | s[16] | s[17] | s[18] | s[19] | s[20] | - s[21] | s[22] | s[23] | s[24] | s[25] | s[26] | s[27] | s[28] | s[29] | s[30] | - s[31]) - - 1) >> - 8) + - 1; -} - -// double scalar mult precomp -void ge_dsm_precomp(ge_dsmp r, const ge_p3* s) { - ge_p1p1 t; - ge_p3 s2, u; - ge_p3_to_cached(&r[0], s); - ge_p3_dbl(&t, s); - ge_p1p1_to_p3(&s2, &t); - ge_add(&t, &s2, &r[0]); - ge_p1p1_to_p3(&u, &t); - ge_p3_to_cached(&r[1], &u); - ge_add(&t, &s2, &r[1]); - ge_p1p1_to_p3(&u, &t); - ge_p3_to_cached(&r[2], &u); - ge_add(&t, &s2, &r[2]); - ge_p1p1_to_p3(&u, &t); - ge_p3_to_cached(&r[3], &u); - ge_add(&t, &s2, &r[3]); - ge_p1p1_to_p3(&u, &t); - ge_p3_to_cached(&r[4], &u); - ge_add(&t, &s2, &r[4]); - ge_p1p1_to_p3(&u, &t); - ge_p3_to_cached(&r[5], &u); - ge_add(&t, &s2, &r[5]); - ge_p1p1_to_p3(&u, &t); - ge_p3_to_cached(&r[6], &u); - ge_add(&t, &s2, &r[6]); - ge_p1p1_to_p3(&u, &t); - ge_p3_to_cached(&r[7], &u); -} - -/* -r = a * A + b * B -where a = a[0]+256*a[1]+...+256^31 a[31]. -and b = b[0]+256*b[1]+...+256^31 b[31]. -B is the Ed25519 base point (x,4/5) with x positive. -*/ - -void ge_double_scalarmult_base_vartime( - ge_p2* r, const unsigned char* a, const ge_p3* A, const unsigned char* b) { - signed char aslide[256]; - signed char bslide[256]; - ge_dsmp Ai; /* A, 3A, 5A, 7A, 9A, 11A, 13A, 15A */ - ge_p1p1 t; - ge_p3 u; - int i; - - slide(aslide, a); - slide(bslide, b); - ge_dsm_precomp(Ai, A); /* A, 3A, 5A, 7A, 9A, 11A, 13A, 15A */ - - ge_p2_0(r); - - for (i = 255; i >= 0; --i) { - // so this gets us to the highest i such that both have a nonzero - if (aslide[i] || bslide[i]) - break; - } - - for (; i >= 0; --i) { - ge_p2_dbl(&t, r); // simple double and add - - if (aslide[i] > 0) { - ge_p1p1_to_p3(&u, &t); - ge_add(&t, &u, &Ai[aslide[i] / 2]); - } else if (aslide[i] < 0) { - ge_p1p1_to_p3(&u, &t); - ge_sub(&t, &u, &Ai[(-aslide[i]) / 2]); - } - - if (bslide[i] > 0) { - ge_p1p1_to_p3(&u, &t); - ge_madd(&t, &u, &ge_Bi[bslide[i] / 2]); - } else if (bslide[i] < 0) { - ge_p1p1_to_p3(&u, &t); - ge_msub(&t, &u, &ge_Bi[(-bslide[i]) / 2]); - } - - ge_p1p1_to_p2(r, &t); - } -} - -/* From ge_frombytes.c, modified */ -// this is like xrecover .. -// x -int ge_frombytes_vartime(ge_p3* h, const unsigned char* s) { - fe u; - fe v; - fe vxx; - fe check; - - /* From fe_frombytes.c */ - - int64_t h0 = load_4(s); - int64_t h1 = load_3(s + 4) << 6; - int64_t h2 = load_3(s + 7) << 5; - int64_t h3 = load_3(s + 10) << 3; - int64_t h4 = load_3(s + 13) << 2; - int64_t h5 = load_4(s + 16); - int64_t h6 = load_3(s + 20) << 7; - int64_t h7 = load_3(s + 23) << 5; - int64_t h8 = load_3(s + 26) << 4; - int64_t h9 = (load_3(s + 29) & 8388607) << 2; - int64_t carry0; - int64_t carry1; - int64_t carry2; - int64_t carry3; - int64_t carry4; - int64_t carry5; - int64_t carry6; - int64_t carry7; - int64_t carry8; - int64_t carry9; - - /* Validate the number to be canonical */ - if (h9 == 33554428 && h8 == 268435440 && h7 == 536870880 && h6 == 2147483520 && - h5 == 4294967295 && h4 == 67108860 && h3 == 134217720 && h2 == 536870880 && - h1 == 1073741760 && h0 >= 4294967277) { - return -1; - } - - carry9 = (h9 + (int64_t)(1 << 24)) >> 25; - h0 += carry9 * 19; - h9 -= carry9 << 25; - carry1 = (h1 + (int64_t)(1 << 24)) >> 25; - h2 += carry1; - h1 -= carry1 << 25; - carry3 = (h3 + (int64_t)(1 << 24)) >> 25; - h4 += carry3; - h3 -= carry3 << 25; - carry5 = (h5 + (int64_t)(1 << 24)) >> 25; - h6 += carry5; - h5 -= carry5 << 25; - carry7 = (h7 + (int64_t)(1 << 24)) >> 25; - h8 += carry7; - h7 -= carry7 << 25; - - carry0 = (h0 + (int64_t)(1 << 25)) >> 26; - h1 += carry0; - h0 -= carry0 << 26; - carry2 = (h2 + (int64_t)(1 << 25)) >> 26; - h3 += carry2; - h2 -= carry2 << 26; - carry4 = (h4 + (int64_t)(1 << 25)) >> 26; - h5 += carry4; - h4 -= carry4 << 26; - carry6 = (h6 + (int64_t)(1 << 25)) >> 26; - h7 += carry6; - h6 -= carry6 << 26; - carry8 = (h8 + (int64_t)(1 << 25)) >> 26; - h9 += carry8; - h8 -= carry8 << 26; - - h->Y[0] = h0; - h->Y[1] = h1; - h->Y[2] = h2; - h->Y[3] = h3; - h->Y[4] = h4; - h->Y[5] = h5; - h->Y[6] = h6; - h->Y[7] = h7; - h->Y[8] = h8; - h->Y[9] = h9; - - /* End fe_frombytes.c */ - - fe_1(h->Z); - fe_sq(u, h->Y); - fe_mul(v, u, fe_d); - fe_sub(u, u, h->Z); /* u = y^2-1 */ - fe_add(v, v, h->Z); /* v = dy^2+1 */ - - fe_divpowm1(h->X, u, v); /* x = uv^3(uv^7)^((q-5)/8) */ - - fe_sq(vxx, h->X); - fe_mul(vxx, vxx, v); - fe_sub(check, vxx, u); /* vx^2-u */ - if (fe_isnonzero(check)) { - fe_add(check, vxx, u); /* vx^2+u */ - if (fe_isnonzero(check)) { - return -1; - } - fe_mul(h->X, - h->X, - fe_sqrtm1); // this is mapping X to X * sqrt(-1) c.f. 3.1 in hisil, dong, etc. - } - - if (fe_isnegative(h->X) != (s[31] >> 7)) { - /* If x = 0, the sign must be positive */ - if (!fe_isnonzero(h->X)) { - return -1; - } - fe_neg(h->X, h->X); - } - - fe_mul(h->T, h->X, h->Y); - return 0; -} - -/* New code */ -/* (u / v)^(m + 1) */ -static void fe_divpowm1(fe r, const fe u, const fe v) { - fe v3, uv7, t0, t1, t2; - int i; - - fe_sq(v3, v); - fe_mul(v3, v3, v); /* v3 = v^3 */ - fe_sq(uv7, v3); - fe_mul(uv7, uv7, v); - fe_mul(uv7, uv7, u); /* uv7 = uv^7 */ - - /*fe_pow22523(uv7, uv7);*/ - - /* From fe_pow22523.c */ - - fe_sq(t0, uv7); - fe_sq(t1, t0); - fe_sq(t1, t1); - fe_mul(t1, uv7, t1); - fe_mul(t0, t0, t1); - fe_sq(t0, t0); - fe_mul(t0, t1, t0); - fe_sq(t1, t0); - for (i = 0; i < 4; ++i) { - fe_sq(t1, t1); - } - fe_mul(t0, t1, t0); - fe_sq(t1, t0); - for (i = 0; i < 9; ++i) { - fe_sq(t1, t1); - } - fe_mul(t1, t1, t0); - fe_sq(t2, t1); - for (i = 0; i < 19; ++i) { - fe_sq(t2, t2); - } - fe_mul(t1, t2, t1); - for (i = 0; i < 10; ++i) { - fe_sq(t1, t1); - } - fe_mul(t0, t1, t0); - fe_sq(t1, t0); - for (i = 0; i < 49; ++i) { - fe_sq(t1, t1); - } - fe_mul(t1, t1, t0); - fe_sq(t2, t1); - for (i = 0; i < 99; ++i) { - fe_sq(t2, t2); - } - fe_mul(t1, t2, t1); - for (i = 0; i < 50; ++i) { - fe_sq(t1, t1); - } - fe_mul(t0, t1, t0); - fe_sq(t0, t0); - fe_sq(t0, t0); - fe_mul(t0, t0, uv7); - - /* End fe_pow22523.c */ - /* t0 = (uv^7)^((q-5)/8) */ - fe_mul(t0, t0, v3); - fe_mul(r, t0, u); /* u^(m+1)v^(-(m+1)) */ -} - -static void ge_cached_0(ge_cached* r) { - fe_1(r->YplusX); - fe_1(r->YminusX); - fe_1(r->Z); - fe_0(r->T2d); -} - -static void ge_cached_cmov(ge_cached* t, const ge_cached* u, unsigned char b) { - fe_cmov(t->YplusX, u->YplusX, b); - fe_cmov(t->YminusX, u->YminusX, b); - fe_cmov(t->Z, u->Z, b); - fe_cmov(t->T2d, u->T2d, b); -} - -/* Assumes that a[31] <= 127 */ -void ge_scalarmult(ge_p2* r, const unsigned char* a, const ge_p3* A) { - signed char e[64]; - int carry, carry2, i; - ge_cached Ai[8]; /* 1 * A, 2 * A, ..., 8 * A */ - ge_p1p1 t; - ge_p3 u; - - carry = 0; /* 0..1 */ - for (i = 0; i < 31; i++) { - carry += a[i]; /* 0..256 */ - carry2 = (carry + 8) >> 4; /* 0..16 */ - e[2 * i] = carry - (carry2 << 4); /* -8..7 */ - carry = (carry2 + 8) >> 4; /* 0..1 */ - e[2 * i + 1] = carry2 - (carry << 4); /* -8..7 */ - } - carry += a[31]; /* 0..128 */ - carry2 = (carry + 8) >> 4; /* 0..8 */ - e[62] = carry - (carry2 << 4); /* -8..7 */ - e[63] = carry2; /* 0..8 */ - - ge_p3_to_cached(&Ai[0], A); - for (i = 0; i < 7; i++) { - ge_add(&t, A, &Ai[i]); - ge_p1p1_to_p3(&u, &t); - ge_p3_to_cached(&Ai[i + 1], &u); - } - - ge_p2_0(r); - for (i = 63; i >= 0; i--) { - signed char b = e[i]; - unsigned char bnegative = negative(b); - unsigned char babs = b - (((-bnegative) & b) << 1); - ge_cached cur, minuscur; - ge_p2_dbl(&t, r); - ge_p1p1_to_p2(r, &t); - ge_p2_dbl(&t, r); - ge_p1p1_to_p2(r, &t); - ge_p2_dbl(&t, r); - ge_p1p1_to_p2(r, &t); - ge_p2_dbl(&t, r); - ge_p1p1_to_p3(&u, &t); - ge_cached_0(&cur); - ge_cached_cmov(&cur, &Ai[0], equal(babs, 1)); - ge_cached_cmov(&cur, &Ai[1], equal(babs, 2)); - ge_cached_cmov(&cur, &Ai[2], equal(babs, 3)); - ge_cached_cmov(&cur, &Ai[3], equal(babs, 4)); - ge_cached_cmov(&cur, &Ai[4], equal(babs, 5)); - ge_cached_cmov(&cur, &Ai[5], equal(babs, 6)); - ge_cached_cmov(&cur, &Ai[6], equal(babs, 7)); - ge_cached_cmov(&cur, &Ai[7], equal(babs, 8)); - fe_copy(minuscur.YplusX, cur.YminusX); - fe_copy(minuscur.YminusX, cur.YplusX); - fe_copy(minuscur.Z, cur.Z); - fe_neg(minuscur.T2d, cur.T2d); - ge_cached_cmov(&cur, &minuscur, bnegative); - ge_add(&t, &u, &cur); - ge_p1p1_to_p2(r, &t); - } -} - -// assume Bi has precomputed multiples -void ge_double_scalarmult_precomp_vartime( - ge_p2* r, - const unsigned char* a, - const ge_p3* A, - const unsigned char* b, - const ge_dsmp Bii) { - signed char aslide[256]; - signed char bslide[256]; - ge_dsmp Ai; /* A, 3A, 5A, 7A, 9A, 11A, 13A, 15A */ // precomps - ge_p1p1 t; - ge_p3 u; - int i; - - slide(aslide, a); - slide(bslide, b); - ge_dsm_precomp(Ai, A); - - ge_p2_0(r); - - for (i = 255; i >= 0; --i) { - if (aslide[i] || bslide[i]) - break; - } - - for (; i >= 0; --i) { - ge_p2_dbl(&t, r); - - if (aslide[i] > 0) { - ge_p1p1_to_p3(&u, &t); - ge_add(&t, &u, &Ai[aslide[i] / 2]); - } else if (aslide[i] < 0) { - ge_p1p1_to_p3(&u, &t); - ge_sub(&t, &u, &Ai[(-aslide[i]) / 2]); - } - - if (bslide[i] > 0) { - ge_p1p1_to_p3(&u, &t); - ge_add(&t, &u, &Bii[bslide[i] / 2]); - } else if (bslide[i] < 0) { - ge_p1p1_to_p3(&u, &t); - ge_sub(&t, &u, &Bii[(-bslide[i]) / 2]); - } - - ge_p1p1_to_p2(r, &t); - } -} - -// x -void ge_mul8(ge_p1p1* r, const ge_p2* t) { - ge_p2 u; - ge_p2_dbl(r, t); - ge_p1p1_to_p2(&u, r); - ge_p2_dbl(r, &u); - ge_p1p1_to_p2(&u, r); - ge_p2_dbl(r, &u); -} - -// x -void ge_fromfe_frombytes_vartime(ge_p2* r, const unsigned char* s) { - fe u, v, w, x, y, z; - unsigned char sign; - - /* From fe_frombytes.c */ - - int64_t h0 = load_4(s); - int64_t h1 = load_3(s + 4) << 6; - int64_t h2 = load_3(s + 7) << 5; - int64_t h3 = load_3(s + 10) << 3; - int64_t h4 = load_3(s + 13) << 2; - int64_t h5 = load_4(s + 16); - int64_t h6 = load_3(s + 20) << 7; - int64_t h7 = load_3(s + 23) << 5; - int64_t h8 = load_3(s + 26) << 4; - int64_t h9 = load_3(s + 29) << 2; - int64_t carry0; - int64_t carry1; - int64_t carry2; - int64_t carry3; - int64_t carry4; - int64_t carry5; - int64_t carry6; - int64_t carry7; - int64_t carry8; - int64_t carry9; - - carry9 = (h9 + (int64_t)(1 << 24)) >> 25; - h0 += carry9 * 19; - h9 -= carry9 << 25; - carry1 = (h1 + (int64_t)(1 << 24)) >> 25; - h2 += carry1; - h1 -= carry1 << 25; - carry3 = (h3 + (int64_t)(1 << 24)) >> 25; - h4 += carry3; - h3 -= carry3 << 25; - carry5 = (h5 + (int64_t)(1 << 24)) >> 25; - h6 += carry5; - h5 -= carry5 << 25; - carry7 = (h7 + (int64_t)(1 << 24)) >> 25; - h8 += carry7; - h7 -= carry7 << 25; - - carry0 = (h0 + (int64_t)(1 << 25)) >> 26; - h1 += carry0; - h0 -= carry0 << 26; - carry2 = (h2 + (int64_t)(1 << 25)) >> 26; - h3 += carry2; - h2 -= carry2 << 26; - carry4 = (h4 + (int64_t)(1 << 25)) >> 26; - h5 += carry4; - h4 -= carry4 << 26; - carry6 = (h6 + (int64_t)(1 << 25)) >> 26; - h7 += carry6; - h6 -= carry6 << 26; - carry8 = (h8 + (int64_t)(1 << 25)) >> 26; - h9 += carry8; - h8 -= carry8 << 26; - - u[0] = h0; - u[1] = h1; - u[2] = h2; - u[3] = h3; - u[4] = h4; - u[5] = h5; - u[6] = h6; - u[7] = h7; - u[8] = h8; - u[9] = h9; - - /* End fe_frombytes.c */ - - fe_sq2(v, u); /* 2 * u^2 */ - fe_1(w); - fe_add(w, v, w); /* w = 2 * u^2 + 1 */ - fe_sq(x, w); /* w^2 */ - fe_mul(y, fe_ma2, v); /* -2 * A^2 * u^2 */ - fe_add(x, x, y); /* x = w^2 - 2 * A^2 * u^2 */ - fe_divpowm1(r->X, w, x); /* (w / x)^(m + 1) */ - fe_sq(y, r->X); - fe_mul(x, y, x); - fe_sub(y, w, x); - fe_copy(z, fe_ma); - if (fe_isnonzero(y)) { - fe_add(y, w, x); - if (fe_isnonzero(y)) { - goto negative; - } else { - fe_mul(r->X, r->X, fe_fffb1); - } - } else { - fe_mul(r->X, r->X, fe_fffb2); - } - fe_mul(r->X, r->X, u); /* u * sqrt(2 * A * (A + 2) * w / x) */ - fe_mul(z, z, v); /* -2 * A * u^2 */ - sign = 0; - goto setsign; -negative: - fe_mul(x, x, fe_sqrtm1); - fe_sub(y, w, x); - if (fe_isnonzero(y)) { - assert((fe_add(y, w, x), !fe_isnonzero(y))); - fe_mul(r->X, r->X, fe_fffb3); - } else { - fe_mul(r->X, r->X, fe_fffb4); - } - /* r->X = sqrt(A * (A + 2) * w / x) */ - /* z = -A */ - sign = 1; -setsign: - if (fe_isnegative(r->X) != sign) { - assert(fe_isnonzero(r->X)); - fe_neg(r->X, r->X); - } - fe_add(r->Z, z, w); - fe_sub(r->Y, z, w); - fe_mul(r->X, r->X, r->Z); -#if !defined(NDEBUG) - { - fe check_x, check_y, check_iz, check_v; - fe_invert(check_iz, r->Z); - fe_mul(check_x, r->X, check_iz); - fe_mul(check_y, r->Y, check_iz); - fe_sq(check_x, check_x); - fe_sq(check_y, check_y); - fe_mul(check_v, check_x, check_y); - fe_mul(check_v, fe_d, check_v); - fe_add(check_v, check_v, check_x); - fe_sub(check_v, check_v, check_y); - fe_1(check_x); - fe_add(check_v, check_v, check_x); - assert(!fe_isnonzero(check_v)); - } -#endif -} - -// x -void sc_0(unsigned char* s) { - int i; - for (i = 0; i < 32; i++) { - s[i] = 0; - } -} - -// x -void sc_reduce32(unsigned char* s) { - int64_t s0 = 2097151 & load_3(s); - int64_t s1 = 2097151 & (load_4(s + 2) >> 5); - int64_t s2 = 2097151 & (load_3(s + 5) >> 2); - int64_t s3 = 2097151 & (load_4(s + 7) >> 7); - int64_t s4 = 2097151 & (load_4(s + 10) >> 4); - int64_t s5 = 2097151 & (load_3(s + 13) >> 1); - int64_t s6 = 2097151 & (load_4(s + 15) >> 6); - int64_t s7 = 2097151 & (load_3(s + 18) >> 3); - int64_t s8 = 2097151 & load_3(s + 21); - int64_t s9 = 2097151 & (load_4(s + 23) >> 5); - int64_t s10 = 2097151 & (load_3(s + 26) >> 2); - int64_t s11 = (load_4(s + 28) >> 7); - int64_t s12 = 0; - int64_t carry0; - int64_t carry1; - int64_t carry2; - int64_t carry3; - int64_t carry4; - int64_t carry5; - int64_t carry6; - int64_t carry7; - int64_t carry8; - int64_t carry9; - int64_t carry10; - int64_t carry11; - - carry0 = (s0 + (1 << 20)) >> 21; - s1 += carry0; - s0 -= carry0 << 21; - carry2 = (s2 + (1 << 20)) >> 21; - s3 += carry2; - s2 -= carry2 << 21; - carry4 = (s4 + (1 << 20)) >> 21; - s5 += carry4; - s4 -= carry4 << 21; - carry6 = (s6 + (1 << 20)) >> 21; - s7 += carry6; - s6 -= carry6 << 21; - carry8 = (s8 + (1 << 20)) >> 21; - s9 += carry8; - s8 -= carry8 << 21; - carry10 = (s10 + (1 << 20)) >> 21; - s11 += carry10; - s10 -= carry10 << 21; - - carry1 = (s1 + (1 << 20)) >> 21; - s2 += carry1; - s1 -= carry1 << 21; - carry3 = (s3 + (1 << 20)) >> 21; - s4 += carry3; - s3 -= carry3 << 21; - carry5 = (s5 + (1 << 20)) >> 21; - s6 += carry5; - s5 -= carry5 << 21; - carry7 = (s7 + (1 << 20)) >> 21; - s8 += carry7; - s7 -= carry7 << 21; - carry9 = (s9 + (1 << 20)) >> 21; - s10 += carry9; - s9 -= carry9 << 21; - carry11 = (s11 + (1 << 20)) >> 21; - s12 += carry11; - s11 -= carry11 << 21; - - s0 += s12 * 666643; - s1 += s12 * 470296; - s2 += s12 * 654183; - s3 -= s12 * 997805; - s4 += s12 * 136657; - s5 -= s12 * 683901; - s12 = 0; - - carry0 = s0 >> 21; - s1 += carry0; - s0 -= carry0 << 21; - carry1 = s1 >> 21; - s2 += carry1; - s1 -= carry1 << 21; - carry2 = s2 >> 21; - s3 += carry2; - s2 -= carry2 << 21; - carry3 = s3 >> 21; - s4 += carry3; - s3 -= carry3 << 21; - carry4 = s4 >> 21; - s5 += carry4; - s4 -= carry4 << 21; - carry5 = s5 >> 21; - s6 += carry5; - s5 -= carry5 << 21; - carry6 = s6 >> 21; - s7 += carry6; - s6 -= carry6 << 21; - carry7 = s7 >> 21; - s8 += carry7; - s7 -= carry7 << 21; - carry8 = s8 >> 21; - s9 += carry8; - s8 -= carry8 << 21; - carry9 = s9 >> 21; - s10 += carry9; - s9 -= carry9 << 21; - carry10 = s10 >> 21; - s11 += carry10; - s10 -= carry10 << 21; - carry11 = s11 >> 21; - s12 += carry11; - s11 -= carry11 << 21; - - s0 += s12 * 666643; - s1 += s12 * 470296; - s2 += s12 * 654183; - s3 -= s12 * 997805; - s4 += s12 * 136657; - s5 -= s12 * 683901; - - carry0 = s0 >> 21; - s1 += carry0; - s0 -= carry0 << 21; - carry1 = s1 >> 21; - s2 += carry1; - s1 -= carry1 << 21; - carry2 = s2 >> 21; - s3 += carry2; - s2 -= carry2 << 21; - carry3 = s3 >> 21; - s4 += carry3; - s3 -= carry3 << 21; - carry4 = s4 >> 21; - s5 += carry4; - s4 -= carry4 << 21; - carry5 = s5 >> 21; - s6 += carry5; - s5 -= carry5 << 21; - carry6 = s6 >> 21; - s7 += carry6; - s6 -= carry6 << 21; - carry7 = s7 >> 21; - s8 += carry7; - s7 -= carry7 << 21; - carry8 = s8 >> 21; - s9 += carry8; - s8 -= carry8 << 21; - carry9 = s9 >> 21; - s10 += carry9; - s9 -= carry9 << 21; - carry10 = s10 >> 21; - s11 += carry10; - s10 -= carry10 << 21; - - s[0] = s0 >> 0; - s[1] = s0 >> 8; - s[2] = (s0 >> 16) | (s1 << 5); - s[3] = s1 >> 3; - s[4] = s1 >> 11; - s[5] = (s1 >> 19) | (s2 << 2); - s[6] = s2 >> 6; - s[7] = (s2 >> 14) | (s3 << 7); - s[8] = s3 >> 1; - s[9] = s3 >> 9; - s[10] = (s3 >> 17) | (s4 << 4); - s[11] = s4 >> 4; - s[12] = s4 >> 12; - s[13] = (s4 >> 20) | (s5 << 1); - s[14] = s5 >> 7; - s[15] = (s5 >> 15) | (s6 << 6); - s[16] = s6 >> 2; - s[17] = s6 >> 10; - s[18] = (s6 >> 18) | (s7 << 3); - s[19] = s7 >> 5; - s[20] = s7 >> 13; - s[21] = s8 >> 0; - s[22] = s8 >> 8; - s[23] = (s8 >> 16) | (s9 << 5); - s[24] = s9 >> 3; - s[25] = s9 >> 11; - s[26] = (s9 >> 19) | (s10 << 2); - s[27] = s10 >> 6; - s[28] = (s10 >> 14) | (s11 << 7); - s[29] = s11 >> 1; - s[30] = s11 >> 9; - s[31] = s11 >> 17; -} - -// x -void sc_add(unsigned char* s, const unsigned char* a, const unsigned char* b) { - int64_t a0 = 2097151 & load_3(a); - int64_t a1 = 2097151 & (load_4(a + 2) >> 5); - int64_t a2 = 2097151 & (load_3(a + 5) >> 2); - int64_t a3 = 2097151 & (load_4(a + 7) >> 7); - int64_t a4 = 2097151 & (load_4(a + 10) >> 4); - int64_t a5 = 2097151 & (load_3(a + 13) >> 1); - int64_t a6 = 2097151 & (load_4(a + 15) >> 6); - int64_t a7 = 2097151 & (load_3(a + 18) >> 3); - int64_t a8 = 2097151 & load_3(a + 21); - int64_t a9 = 2097151 & (load_4(a + 23) >> 5); - int64_t a10 = 2097151 & (load_3(a + 26) >> 2); - int64_t a11 = (load_4(a + 28) >> 7); - int64_t b0 = 2097151 & load_3(b); - int64_t b1 = 2097151 & (load_4(b + 2) >> 5); - int64_t b2 = 2097151 & (load_3(b + 5) >> 2); - int64_t b3 = 2097151 & (load_4(b + 7) >> 7); - int64_t b4 = 2097151 & (load_4(b + 10) >> 4); - int64_t b5 = 2097151 & (load_3(b + 13) >> 1); - int64_t b6 = 2097151 & (load_4(b + 15) >> 6); - int64_t b7 = 2097151 & (load_3(b + 18) >> 3); - int64_t b8 = 2097151 & load_3(b + 21); - int64_t b9 = 2097151 & (load_4(b + 23) >> 5); - int64_t b10 = 2097151 & (load_3(b + 26) >> 2); - int64_t b11 = (load_4(b + 28) >> 7); - int64_t s0 = a0 + b0; - int64_t s1 = a1 + b1; - int64_t s2 = a2 + b2; - int64_t s3 = a3 + b3; - int64_t s4 = a4 + b4; - int64_t s5 = a5 + b5; - int64_t s6 = a6 + b6; - int64_t s7 = a7 + b7; - int64_t s8 = a8 + b8; - int64_t s9 = a9 + b9; - int64_t s10 = a10 + b10; - int64_t s11 = a11 + b11; - int64_t s12 = 0; - int64_t carry0; - int64_t carry1; - int64_t carry2; - int64_t carry3; - int64_t carry4; - int64_t carry5; - int64_t carry6; - int64_t carry7; - int64_t carry8; - int64_t carry9; - int64_t carry10; - int64_t carry11; - - carry0 = (s0 + (1 << 20)) >> 21; - s1 += carry0; - s0 -= carry0 << 21; - carry2 = (s2 + (1 << 20)) >> 21; - s3 += carry2; - s2 -= carry2 << 21; - carry4 = (s4 + (1 << 20)) >> 21; - s5 += carry4; - s4 -= carry4 << 21; - carry6 = (s6 + (1 << 20)) >> 21; - s7 += carry6; - s6 -= carry6 << 21; - carry8 = (s8 + (1 << 20)) >> 21; - s9 += carry8; - s8 -= carry8 << 21; - carry10 = (s10 + (1 << 20)) >> 21; - s11 += carry10; - s10 -= carry10 << 21; - - carry1 = (s1 + (1 << 20)) >> 21; - s2 += carry1; - s1 -= carry1 << 21; - carry3 = (s3 + (1 << 20)) >> 21; - s4 += carry3; - s3 -= carry3 << 21; - carry5 = (s5 + (1 << 20)) >> 21; - s6 += carry5; - s5 -= carry5 << 21; - carry7 = (s7 + (1 << 20)) >> 21; - s8 += carry7; - s7 -= carry7 << 21; - carry9 = (s9 + (1 << 20)) >> 21; - s10 += carry9; - s9 -= carry9 << 21; - carry11 = (s11 + (1 << 20)) >> 21; - s12 += carry11; - s11 -= carry11 << 21; - - s0 += s12 * 666643; - s1 += s12 * 470296; - s2 += s12 * 654183; - s3 -= s12 * 997805; - s4 += s12 * 136657; - s5 -= s12 * 683901; - s12 = 0; - - carry0 = s0 >> 21; - s1 += carry0; - s0 -= carry0 << 21; - carry1 = s1 >> 21; - s2 += carry1; - s1 -= carry1 << 21; - carry2 = s2 >> 21; - s3 += carry2; - s2 -= carry2 << 21; - carry3 = s3 >> 21; - s4 += carry3; - s3 -= carry3 << 21; - carry4 = s4 >> 21; - s5 += carry4; - s4 -= carry4 << 21; - carry5 = s5 >> 21; - s6 += carry5; - s5 -= carry5 << 21; - carry6 = s6 >> 21; - s7 += carry6; - s6 -= carry6 << 21; - carry7 = s7 >> 21; - s8 += carry7; - s7 -= carry7 << 21; - carry8 = s8 >> 21; - s9 += carry8; - s8 -= carry8 << 21; - carry9 = s9 >> 21; - s10 += carry9; - s9 -= carry9 << 21; - carry10 = s10 >> 21; - s11 += carry10; - s10 -= carry10 << 21; - carry11 = s11 >> 21; - s12 += carry11; - s11 -= carry11 << 21; - - s0 += s12 * 666643; - s1 += s12 * 470296; - s2 += s12 * 654183; - s3 -= s12 * 997805; - s4 += s12 * 136657; - s5 -= s12 * 683901; - - carry0 = s0 >> 21; - s1 += carry0; - s0 -= carry0 << 21; - carry1 = s1 >> 21; - s2 += carry1; - s1 -= carry1 << 21; - carry2 = s2 >> 21; - s3 += carry2; - s2 -= carry2 << 21; - carry3 = s3 >> 21; - s4 += carry3; - s3 -= carry3 << 21; - carry4 = s4 >> 21; - s5 += carry4; - s4 -= carry4 << 21; - carry5 = s5 >> 21; - s6 += carry5; - s5 -= carry5 << 21; - carry6 = s6 >> 21; - s7 += carry6; - s6 -= carry6 << 21; - carry7 = s7 >> 21; - s8 += carry7; - s7 -= carry7 << 21; - carry8 = s8 >> 21; - s9 += carry8; - s8 -= carry8 << 21; - carry9 = s9 >> 21; - s10 += carry9; - s9 -= carry9 << 21; - carry10 = s10 >> 21; - s11 += carry10; - s10 -= carry10 << 21; - - s[0] = s0 >> 0; - s[1] = s0 >> 8; - s[2] = (s0 >> 16) | (s1 << 5); - s[3] = s1 >> 3; - s[4] = s1 >> 11; - s[5] = (s1 >> 19) | (s2 << 2); - s[6] = s2 >> 6; - s[7] = (s2 >> 14) | (s3 << 7); - s[8] = s3 >> 1; - s[9] = s3 >> 9; - s[10] = (s3 >> 17) | (s4 << 4); - s[11] = s4 >> 4; - s[12] = s4 >> 12; - s[13] = (s4 >> 20) | (s5 << 1); - s[14] = s5 >> 7; - s[15] = (s5 >> 15) | (s6 << 6); - s[16] = s6 >> 2; - s[17] = s6 >> 10; - s[18] = (s6 >> 18) | (s7 << 3); - s[19] = s7 >> 5; - s[20] = s7 >> 13; - s[21] = s8 >> 0; - s[22] = s8 >> 8; - s[23] = (s8 >> 16) | (s9 << 5); - s[24] = s9 >> 3; - s[25] = s9 >> 11; - s[26] = (s9 >> 19) | (s10 << 2); - s[27] = s10 >> 6; - s[28] = (s10 >> 14) | (s11 << 7); - s[29] = s11 >> 1; - s[30] = s11 >> 9; - s[31] = s11 >> 17; -} - -/* Assumes that a != INT64_MIN */ -// x c.f. lt in 32 bit ref -static int64_t signum(int64_t a) { - return (a >> 63) - ((-a) >> 63); -} - -// x -int sc_check(const unsigned char* s) { - int64_t s0 = load_4(s); - int64_t s1 = load_4(s + 4); - int64_t s2 = load_4(s + 8); - int64_t s3 = load_4(s + 12); - int64_t s4 = load_4(s + 16); - int64_t s5 = load_4(s + 20); - int64_t s6 = load_4(s + 24); - int64_t s7 = load_4(s + 28); - return (signum(1559614444 - s0) + (signum(1477600026 - s1) << 1) + - (signum(2734136534 - s2) << 2) + (signum(350157278 - s3) << 3) + (signum(-s4) << 4) + - (signum(-s5) << 5) + (signum(-s6) << 6) + (signum(268435456 - s7) << 7)) >> - 8; -} - -// x -int sc_isnonzero(const unsigned char* s) { - return (((int)(s[0] | s[1] | s[2] | s[3] | s[4] | s[5] | s[6] | s[7] | s[8] | s[9] | s[10] | - s[11] | s[12] | s[13] | s[14] | s[15] | s[16] | s[17] | s[18] | s[19] | s[20] | - s[21] | s[22] | s[23] | s[24] | s[25] | s[26] | s[27] | s[28] | s[29] | s[30] | - s[31]) - - 1) >> - 8) + - 1; -} diff --git a/src/crypto/crypto_ops_builder/sha512-blocks.c b/src/crypto/crypto_ops_builder/sha512-blocks.c deleted file mode 100644 index e773813..0000000 --- a/src/crypto/crypto_ops_builder/sha512-blocks.c +++ /dev/null @@ -1,245 +0,0 @@ -//#include "crypto_hashblocks.h" - -typedef unsigned long long uint64; - -static uint64 load_bigendian(const unsigned char* x) { - return (uint64)(x[7]) | (((uint64)(x[6])) << 8) | (((uint64)(x[5])) << 16) | - (((uint64)(x[4])) << 24) | (((uint64)(x[3])) << 32) | (((uint64)(x[2])) << 40) | - (((uint64)(x[1])) << 48) | (((uint64)(x[0])) << 56); -} - -static void store_bigendian(unsigned char* x, uint64 u) { - x[7] = u; - u >>= 8; - x[6] = u; - u >>= 8; - x[5] = u; - u >>= 8; - x[4] = u; - u >>= 8; - x[3] = u; - u >>= 8; - x[2] = u; - u >>= 8; - x[1] = u; - u >>= 8; - x[0] = u; -} - -#define SHR(x, c) ((x) >> (c)) -#define ROTR(x, c) (((x) >> (c)) | ((x) << (64 - (c)))) - -#define Ch(x, y, z) ((x & y) ^ (~x & z)) -#define Maj(x, y, z) ((x & y) ^ (x & z) ^ (y & z)) -#define Sigma0(x) (ROTR(x, 28) ^ ROTR(x, 34) ^ ROTR(x, 39)) -#define Sigma1(x) (ROTR(x, 14) ^ ROTR(x, 18) ^ ROTR(x, 41)) -#define sigma0(x) (ROTR(x, 1) ^ ROTR(x, 8) ^ SHR(x, 7)) -#define sigma1(x) (ROTR(x, 19) ^ ROTR(x, 61) ^ SHR(x, 6)) - -#define M(w0, w14, w9, w1) w0 = sigma1(w14) + w9 + sigma0(w1) + w0; - -#define EXPAND \ - M(w0, w14, w9, w1) \ - M(w1, w15, w10, w2) \ - M(w2, w0, w11, w3) \ - M(w3, w1, w12, w4) \ - M(w4, w2, w13, w5) \ - M(w5, w3, w14, w6) \ - M(w6, w4, w15, w7) \ - M(w7, w5, w0, w8) \ - M(w8, w6, w1, w9) \ - M(w9, w7, w2, w10) \ - M(w10, w8, w3, w11) \ - M(w11, w9, w4, w12) \ - M(w12, w10, w5, w13) \ - M(w13, w11, w6, w14) \ - M(w14, w12, w7, w15) \ - M(w15, w13, w8, w0) - -#define F(w, k) \ - T1 = h + Sigma1(e) + Ch(e, f, g) + k + w; \ - T2 = Sigma0(a) + Maj(a, b, c); \ - h = g; \ - g = f; \ - f = e; \ - e = d + T1; \ - d = c; \ - c = b; \ - b = a; \ - a = T1 + T2; - -int crypto_hashblocks( - unsigned char* statebytes, const unsigned char* in, unsigned long long inlen) { - uint64 state[8]; - uint64 a; - uint64 b; - uint64 c; - uint64 d; - uint64 e; - uint64 f; - uint64 g; - uint64 h; - uint64 T1; - uint64 T2; - - a = load_bigendian(statebytes + 0); - state[0] = a; - b = load_bigendian(statebytes + 8); - state[1] = b; - c = load_bigendian(statebytes + 16); - state[2] = c; - d = load_bigendian(statebytes + 24); - state[3] = d; - e = load_bigendian(statebytes + 32); - state[4] = e; - f = load_bigendian(statebytes + 40); - state[5] = f; - g = load_bigendian(statebytes + 48); - state[6] = g; - h = load_bigendian(statebytes + 56); - state[7] = h; - - while (inlen >= 128) { - uint64 w0 = load_bigendian(in + 0); - uint64 w1 = load_bigendian(in + 8); - uint64 w2 = load_bigendian(in + 16); - uint64 w3 = load_bigendian(in + 24); - uint64 w4 = load_bigendian(in + 32); - uint64 w5 = load_bigendian(in + 40); - uint64 w6 = load_bigendian(in + 48); - uint64 w7 = load_bigendian(in + 56); - uint64 w8 = load_bigendian(in + 64); - uint64 w9 = load_bigendian(in + 72); - uint64 w10 = load_bigendian(in + 80); - uint64 w11 = load_bigendian(in + 88); - uint64 w12 = load_bigendian(in + 96); - uint64 w13 = load_bigendian(in + 104); - uint64 w14 = load_bigendian(in + 112); - uint64 w15 = load_bigendian(in + 120); - - F(w0, 0x428a2f98d728ae22ULL) - F(w1, 0x7137449123ef65cdULL) - F(w2, 0xb5c0fbcfec4d3b2fULL) - F(w3, 0xe9b5dba58189dbbcULL) - F(w4, 0x3956c25bf348b538ULL) - F(w5, 0x59f111f1b605d019ULL) - F(w6, 0x923f82a4af194f9bULL) - F(w7, 0xab1c5ed5da6d8118ULL) - F(w8, 0xd807aa98a3030242ULL) - F(w9, 0x12835b0145706fbeULL) - F(w10, 0x243185be4ee4b28cULL) - F(w11, 0x550c7dc3d5ffb4e2ULL) - F(w12, 0x72be5d74f27b896fULL) - F(w13, 0x80deb1fe3b1696b1ULL) - F(w14, 0x9bdc06a725c71235ULL) - F(w15, 0xc19bf174cf692694ULL) - - EXPAND - - F(w0, 0xe49b69c19ef14ad2ULL) - F(w1, 0xefbe4786384f25e3ULL) - F(w2, 0x0fc19dc68b8cd5b5ULL) - F(w3, 0x240ca1cc77ac9c65ULL) - F(w4, 0x2de92c6f592b0275ULL) - F(w5, 0x4a7484aa6ea6e483ULL) - F(w6, 0x5cb0a9dcbd41fbd4ULL) - F(w7, 0x76f988da831153b5ULL) - F(w8, 0x983e5152ee66dfabULL) - F(w9, 0xa831c66d2db43210ULL) - F(w10, 0xb00327c898fb213fULL) - F(w11, 0xbf597fc7beef0ee4ULL) - F(w12, 0xc6e00bf33da88fc2ULL) - F(w13, 0xd5a79147930aa725ULL) - F(w14, 0x06ca6351e003826fULL) - F(w15, 0x142929670a0e6e70ULL) - - EXPAND - - F(w0, 0x27b70a8546d22ffcULL) - F(w1, 0x2e1b21385c26c926ULL) - F(w2, 0x4d2c6dfc5ac42aedULL) - F(w3, 0x53380d139d95b3dfULL) - F(w4, 0x650a73548baf63deULL) - F(w5, 0x766a0abb3c77b2a8ULL) - F(w6, 0x81c2c92e47edaee6ULL) - F(w7, 0x92722c851482353bULL) - F(w8, 0xa2bfe8a14cf10364ULL) - F(w9, 0xa81a664bbc423001ULL) - F(w10, 0xc24b8b70d0f89791ULL) - F(w11, 0xc76c51a30654be30ULL) - F(w12, 0xd192e819d6ef5218ULL) - F(w13, 0xd69906245565a910ULL) - F(w14, 0xf40e35855771202aULL) - F(w15, 0x106aa07032bbd1b8ULL) - - EXPAND - - F(w0, 0x19a4c116b8d2d0c8ULL) - F(w1, 0x1e376c085141ab53ULL) - F(w2, 0x2748774cdf8eeb99ULL) - F(w3, 0x34b0bcb5e19b48a8ULL) - F(w4, 0x391c0cb3c5c95a63ULL) - F(w5, 0x4ed8aa4ae3418acbULL) - F(w6, 0x5b9cca4f7763e373ULL) - F(w7, 0x682e6ff3d6b2b8a3ULL) - F(w8, 0x748f82ee5defb2fcULL) - F(w9, 0x78a5636f43172f60ULL) - F(w10, 0x84c87814a1f0ab72ULL) - F(w11, 0x8cc702081a6439ecULL) - F(w12, 0x90befffa23631e28ULL) - F(w13, 0xa4506cebde82bde9ULL) - F(w14, 0xbef9a3f7b2c67915ULL) - F(w15, 0xc67178f2e372532bULL) - - EXPAND - - F(w0, 0xca273eceea26619cULL) - F(w1, 0xd186b8c721c0c207ULL) - F(w2, 0xeada7dd6cde0eb1eULL) - F(w3, 0xf57d4f7fee6ed178ULL) - F(w4, 0x06f067aa72176fbaULL) - F(w5, 0x0a637dc5a2c898a6ULL) - F(w6, 0x113f9804bef90daeULL) - F(w7, 0x1b710b35131c471bULL) - F(w8, 0x28db77f523047d84ULL) - F(w9, 0x32caab7b40c72493ULL) - F(w10, 0x3c9ebe0a15c9bebcULL) - F(w11, 0x431d67c49c100d4cULL) - F(w12, 0x4cc5d4becb3e42b6ULL) - F(w13, 0x597f299cfc657e2aULL) - F(w14, 0x5fcb6fab3ad6faecULL) - F(w15, 0x6c44198c4a475817ULL) - - a += state[0]; - b += state[1]; - c += state[2]; - d += state[3]; - e += state[4]; - f += state[5]; - g += state[6]; - h += state[7]; - - state[0] = a; - state[1] = b; - state[2] = c; - state[3] = d; - state[4] = e; - state[5] = f; - state[6] = g; - state[7] = h; - - in += 128; - inlen -= 128; - } - - store_bigendian(statebytes + 0, state[0]); - store_bigendian(statebytes + 8, state[1]); - store_bigendian(statebytes + 16, state[2]); - store_bigendian(statebytes + 24, state[3]); - store_bigendian(statebytes + 32, state[4]); - store_bigendian(statebytes + 40, state[5]); - store_bigendian(statebytes + 48, state[6]); - store_bigendian(statebytes + 56, state[7]); - - return inlen; -} diff --git a/src/crypto/crypto_ops_builder/sha512-hash.c b/src/crypto/crypto_ops_builder/sha512-hash.c deleted file mode 100644 index 7deb349..0000000 --- a/src/crypto/crypto_ops_builder/sha512-hash.c +++ /dev/null @@ -1,73 +0,0 @@ -/* -20080913 -D. J. Bernstein -Public domain. -*/ - -#include "sha512.h" - -extern int crypto_hashblocks( - unsigned char* statebytes, const unsigned char* in, unsigned long long inlen); - -#define blocks crypto_hashblocks - -static const unsigned char iv[64] = { - 0x6a, 0x09, 0xe6, 0x67, 0xf3, 0xbc, 0xc9, 0x08, 0xbb, 0x67, 0xae, 0x85, 0x84, - 0xca, 0xa7, 0x3b, 0x3c, 0x6e, 0xf3, 0x72, 0xfe, 0x94, 0xf8, 0x2b, 0xa5, 0x4f, - 0xf5, 0x3a, 0x5f, 0x1d, 0x36, 0xf1, 0x51, 0x0e, 0x52, 0x7f, 0xad, 0xe6, 0x82, - 0xd1, 0x9b, 0x05, 0x68, 0x8c, 0x2b, 0x3e, 0x6c, 0x1f, 0x1f, 0x83, 0xd9, 0xab, - 0xfb, 0x41, 0xbd, 0x6b, 0x5b, 0xe0, 0xcd, 0x19, 0x13, 0x7e, 0x21, 0x79}; - -typedef unsigned long long uint64; - -int crypto_hash_sha512(unsigned char* out, const unsigned char* in, unsigned long long inlen) { - unsigned char h[64]; - unsigned char padded[256]; - int i; - unsigned long long bytes = inlen; - - for (i = 0; i < 64; ++i) - h[i] = iv[i]; - - blocks(h, in, inlen); - in += inlen; - inlen &= 127; - in -= inlen; - - for (i = 0; i < inlen; ++i) - padded[i] = in[i]; - padded[inlen] = 0x80; - - if (inlen < 112) { - for (i = inlen + 1; i < 119; ++i) - padded[i] = 0; - padded[119] = bytes >> 61; - padded[120] = bytes >> 53; - padded[121] = bytes >> 45; - padded[122] = bytes >> 37; - padded[123] = bytes >> 29; - padded[124] = bytes >> 21; - padded[125] = bytes >> 13; - padded[126] = bytes >> 5; - padded[127] = bytes << 3; - blocks(h, padded, 128); - } else { - for (i = inlen + 1; i < 247; ++i) - padded[i] = 0; - padded[247] = bytes >> 61; - padded[248] = bytes >> 53; - padded[249] = bytes >> 45; - padded[250] = bytes >> 37; - padded[251] = bytes >> 29; - padded[252] = bytes >> 21; - padded[253] = bytes >> 13; - padded[254] = bytes >> 5; - padded[255] = bytes << 3; - blocks(h, padded, 256); - } - - for (i = 0; i < 64; ++i) - out[i] = h[i]; - - return 0; -} diff --git a/src/crypto/crypto_ops_builder/sha512.h b/src/crypto/crypto_ops_builder/sha512.h deleted file mode 100644 index 55bc2e6..0000000 --- a/src/crypto/crypto_ops_builder/sha512.h +++ /dev/null @@ -1,6 +0,0 @@ -extern int crypto_hashblocks( - unsigned char* statebytes, const unsigned char* in, unsigned long long inlen); -extern int crypto_hash_sha512( - unsigned char* out, const unsigned char* in, unsigned long long inlen); - -#define crypto_hash_sha512_BYTES 64 diff --git a/src/crypto/crypto_ops_builder/verify.c b/src/crypto/crypto_ops_builder/verify.c deleted file mode 100644 index cc5b7e0..0000000 --- a/src/crypto/crypto_ops_builder/verify.c +++ /dev/null @@ -1,39 +0,0 @@ -#include "crypto_verify_32.h" - -int crypto_verify_32(const unsigned char* x, const unsigned char* y) { - unsigned int differentbits = 0; -#define F(i) differentbits |= x[i] ^ y[i]; - F(0) - F(1) - F(2) - F(3) - F(4) - F(5) - F(6) - F(7) - F(8) - F(9) - F(10) - F(11) - F(12) - F(13) - F(14) - F(15) - F(16) - F(17) - F(18) - F(19) - F(20) - F(21) - F(22) - F(23) - F(24) - F(25) - F(26) - F(27) - F(28) - F(29) - F(30) - F(31) - return (1 & ((differentbits - 1) >> 8)) - 1; -} diff --git a/src/crypto/groestl.c b/src/crypto/groestl.c deleted file mode 100644 index 0812324..0000000 --- a/src/crypto/groestl.c +++ /dev/null @@ -1,601 +0,0 @@ -/* hash.c April 2012 - * Groestl ANSI C code optimised for 32-bit machines - * Author: Thomas Krinninger - * - * This work is based on the implementation of - * Soeren S. Thomsen and Krystian Matusiewicz - * - * - */ - -#include "groestl.h" - -#include - -#include "groestl_tables.h" - -#define P_TYPE 0 -#define Q_TYPE 1 - -const uint8_t shift_Values[2][8] = {{0, 1, 2, 3, 4, 5, 6, 7}, {1, 3, 5, 7, 0, 2, 4, 6}}; - -const uint8_t indices_cyclic[15] = {0, 1, 2, 3, 4, 5, 6, 7, 0, 1, 2, 3, 4, 5, 6}; - -#if BYTE_ORDER == LITTLE_ENDIAN -#define ROTATE_COLUMN_DOWN(v1, v2, amount_bytes, temp_var) \ - { \ - temp_var = (v1 << (8 * amount_bytes)) | (v2 >> (8 * (4 - amount_bytes))); \ - v2 = (v2 << (8 * amount_bytes)) | (v1 >> (8 * (4 - amount_bytes))); \ - v1 = temp_var; \ - } -#else -#define ROTATE_COLUMN_DOWN(v1, v2, amount_bytes, temp_var) \ - { \ - temp_var = (v1 >> (8 * amount_bytes)) | (v2 << (8 * (4 - amount_bytes))); \ - v2 = (v2 >> (8 * amount_bytes)) | (v1 << (8 * (4 - amount_bytes))); \ - v1 = temp_var; \ - } -#endif - -#define COLUMN(x, y, i, c0, c1, c2, c3, c4, c5, c6, c7, tv1, tv2, tu, tl, t) \ - tu = T[2 * (uint32_t)x[4 * c0 + 0]]; \ - tl = T[2 * (uint32_t)x[4 * c0 + 0] + 1]; \ - tv1 = T[2 * (uint32_t)x[4 * c1 + 1]]; \ - tv2 = T[2 * (uint32_t)x[4 * c1 + 1] + 1]; \ - ROTATE_COLUMN_DOWN(tv1, tv2, 1, t) \ - tu ^= tv1; \ - tl ^= tv2; \ - tv1 = T[2 * (uint32_t)x[4 * c2 + 2]]; \ - tv2 = T[2 * (uint32_t)x[4 * c2 + 2] + 1]; \ - ROTATE_COLUMN_DOWN(tv1, tv2, 2, t) \ - tu ^= tv1; \ - tl ^= tv2; \ - tv1 = T[2 * (uint32_t)x[4 * c3 + 3]]; \ - tv2 = T[2 * (uint32_t)x[4 * c3 + 3] + 1]; \ - ROTATE_COLUMN_DOWN(tv1, tv2, 3, t) \ - tu ^= tv1; \ - tl ^= tv2; \ - tl ^= T[2 * (uint32_t)x[4 * c4 + 0]]; \ - tu ^= T[2 * (uint32_t)x[4 * c4 + 0] + 1]; \ - tv1 = T[2 * (uint32_t)x[4 * c5 + 1]]; \ - tv2 = T[2 * (uint32_t)x[4 * c5 + 1] + 1]; \ - ROTATE_COLUMN_DOWN(tv1, tv2, 1, t) \ - tl ^= tv1; \ - tu ^= tv2; \ - tv1 = T[2 * (uint32_t)x[4 * c6 + 2]]; \ - tv2 = T[2 * (uint32_t)x[4 * c6 + 2] + 1]; \ - ROTATE_COLUMN_DOWN(tv1, tv2, 2, t) \ - tl ^= tv1; \ - tu ^= tv2; \ - tv1 = T[2 * (uint32_t)x[4 * c7 + 3]]; \ - tv2 = T[2 * (uint32_t)x[4 * c7 + 3] + 1]; \ - ROTATE_COLUMN_DOWN(tv1, tv2, 3, t) \ - tl ^= tv1; \ - tu ^= tv2; \ - y[i] = tu; \ - y[i + 1] = tl; - -/* compute one round of P (short variants) */ -static void RND512P(uint8_t* x, uint32_t* y, uint32_t r) { - uint32_t temp_v1, temp_v2, temp_upper_value, temp_lower_value, temp; - uint32_t* x32 = (uint32_t*)x; - x32[0] ^= SWAP32LE(0x00000000) ^ r; - x32[2] ^= SWAP32LE(0x00000010) ^ r; - x32[4] ^= SWAP32LE(0x00000020) ^ r; - x32[6] ^= SWAP32LE(0x00000030) ^ r; - x32[8] ^= SWAP32LE(0x00000040) ^ r; - x32[10] ^= SWAP32LE(0x00000050) ^ r; - x32[12] ^= SWAP32LE(0x00000060) ^ r; - x32[14] ^= SWAP32LE(0x00000070) ^ r; - COLUMN(x, - y, - 0, - 0, - 2, - 4, - 6, - 9, - 11, - 13, - 15, - temp_v1, - temp_v2, - temp_upper_value, - temp_lower_value, - temp); - COLUMN(x, - y, - 2, - 2, - 4, - 6, - 8, - 11, - 13, - 15, - 1, - temp_v1, - temp_v2, - temp_upper_value, - temp_lower_value, - temp); - COLUMN(x, - y, - 4, - 4, - 6, - 8, - 10, - 13, - 15, - 1, - 3, - temp_v1, - temp_v2, - temp_upper_value, - temp_lower_value, - temp); - COLUMN(x, - y, - 6, - 6, - 8, - 10, - 12, - 15, - 1, - 3, - 5, - temp_v1, - temp_v2, - temp_upper_value, - temp_lower_value, - temp); - COLUMN(x, - y, - 8, - 8, - 10, - 12, - 14, - 1, - 3, - 5, - 7, - temp_v1, - temp_v2, - temp_upper_value, - temp_lower_value, - temp); - COLUMN(x, - y, - 10, - 10, - 12, - 14, - 0, - 3, - 5, - 7, - 9, - temp_v1, - temp_v2, - temp_upper_value, - temp_lower_value, - temp); - COLUMN(x, - y, - 12, - 12, - 14, - 0, - 2, - 5, - 7, - 9, - 11, - temp_v1, - temp_v2, - temp_upper_value, - temp_lower_value, - temp); - COLUMN(x, - y, - 14, - 14, - 0, - 2, - 4, - 7, - 9, - 11, - 13, - temp_v1, - temp_v2, - temp_upper_value, - temp_lower_value, - temp); -} - -/* compute one round of Q (short variants) */ -static void RND512Q(uint8_t* x, uint32_t* y, uint32_t r) { - uint32_t temp_v1, temp_v2, temp_upper_value, temp_lower_value, temp; - uint32_t* x32 = (uint32_t*)x; - x32[0] = ~x32[0]; - x32[1] ^= SWAP32LE(0xffffffff) ^ r; - x32[2] = ~x32[2]; - x32[3] ^= SWAP32LE(0xefffffff) ^ r; - x32[4] = ~x32[4]; - x32[5] ^= SWAP32LE(0xdfffffff) ^ r; - x32[6] = ~x32[6]; - x32[7] ^= SWAP32LE(0xcfffffff) ^ r; - x32[8] = ~x32[8]; - x32[9] ^= SWAP32LE(0xbfffffff) ^ r; - x32[10] = ~x32[10]; - x32[11] ^= SWAP32LE(0xafffffff) ^ r; - x32[12] = ~x32[12]; - x32[13] ^= SWAP32LE(0x9fffffff) ^ r; - x32[14] = ~x32[14]; - x32[15] ^= SWAP32LE(0x8fffffff) ^ r; - - COLUMN(x, - y, - 0, - 2, - 6, - 10, - 14, - 1, - 5, - 9, - 13, - temp_v1, - temp_v2, - temp_upper_value, - temp_lower_value, - temp); - COLUMN(x, - y, - 2, - 4, - 8, - 12, - 0, - 3, - 7, - 11, - 15, - temp_v1, - temp_v2, - temp_upper_value, - temp_lower_value, - temp); - COLUMN(x, - y, - 4, - 6, - 10, - 14, - 2, - 5, - 9, - 13, - 1, - temp_v1, - temp_v2, - temp_upper_value, - temp_lower_value, - temp); - COLUMN(x, - y, - 6, - 8, - 12, - 0, - 4, - 7, - 11, - 15, - 3, - temp_v1, - temp_v2, - temp_upper_value, - temp_lower_value, - temp); - COLUMN(x, - y, - 8, - 10, - 14, - 2, - 6, - 9, - 13, - 1, - 5, - temp_v1, - temp_v2, - temp_upper_value, - temp_lower_value, - temp); - COLUMN(x, - y, - 10, - 12, - 0, - 4, - 8, - 11, - 15, - 3, - 7, - temp_v1, - temp_v2, - temp_upper_value, - temp_lower_value, - temp); - COLUMN(x, - y, - 12, - 14, - 2, - 6, - 10, - 13, - 1, - 5, - 9, - temp_v1, - temp_v2, - temp_upper_value, - temp_lower_value, - temp); - COLUMN(x, - y, - 14, - 0, - 4, - 8, - 12, - 15, - 3, - 7, - 11, - temp_v1, - temp_v2, - temp_upper_value, - temp_lower_value, - temp); -} - -/* compute compression function (short variants) */ -static void F512(uint32_t* h, const uint32_t* m) { - int i; - uint32_t Ptmp[2 * COLS512]; - uint32_t Qtmp[2 * COLS512]; - uint32_t y[2 * COLS512]; - uint32_t z[2 * COLS512]; - - for (i = 0; i < 2 * COLS512; i++) { - z[i] = m[i]; - Ptmp[i] = h[i] ^ m[i]; - } - - /* compute Q(m) */ - RND512Q((uint8_t*)z, y, SWAP32LE(0x00000000)); - RND512Q((uint8_t*)y, z, SWAP32LE(0x01000000)); - RND512Q((uint8_t*)z, y, SWAP32LE(0x02000000)); - RND512Q((uint8_t*)y, z, SWAP32LE(0x03000000)); - RND512Q((uint8_t*)z, y, SWAP32LE(0x04000000)); - RND512Q((uint8_t*)y, z, SWAP32LE(0x05000000)); - RND512Q((uint8_t*)z, y, SWAP32LE(0x06000000)); - RND512Q((uint8_t*)y, z, SWAP32LE(0x07000000)); - RND512Q((uint8_t*)z, y, SWAP32LE(0x08000000)); - RND512Q((uint8_t*)y, Qtmp, SWAP32LE(0x09000000)); - - /* compute P(h+m) */ - RND512P((uint8_t*)Ptmp, y, SWAP32LE(0x00000000)); - RND512P((uint8_t*)y, z, SWAP32LE(0x00000001)); - RND512P((uint8_t*)z, y, SWAP32LE(0x00000002)); - RND512P((uint8_t*)y, z, SWAP32LE(0x00000003)); - RND512P((uint8_t*)z, y, SWAP32LE(0x00000004)); - RND512P((uint8_t*)y, z, SWAP32LE(0x00000005)); - RND512P((uint8_t*)z, y, SWAP32LE(0x00000006)); - RND512P((uint8_t*)y, z, SWAP32LE(0x00000007)); - RND512P((uint8_t*)z, y, SWAP32LE(0x00000008)); - RND512P((uint8_t*)y, Ptmp, SWAP32LE(0x00000009)); - - /* compute P(h+m) + Q(m) + h */ - for (i = 0; i < 2 * COLS512; i++) { - h[i] ^= Ptmp[i] ^ Qtmp[i]; - } -} - -/* digest up to msglen bytes of input (full blocks only) */ -static void Transform(hashState* ctx, const uint8_t* input, int msglen) { - - /* digest message, one block at a time */ - for (; msglen >= SIZE512; msglen -= SIZE512, input += SIZE512) { - F512(ctx->chaining, (uint32_t*)input); - - /* increment block counter */ - ctx->block_counter1++; - if (ctx->block_counter1 == 0) - ctx->block_counter2++; - } -} - -/* given state h, do h <- P(h)+h */ -static void OutputTransformation(hashState* ctx) { - int j; - uint32_t temp[2 * COLS512]; - uint32_t y[2 * COLS512]; - uint32_t z[2 * COLS512]; - - for (j = 0; j < 2 * COLS512; j++) { - temp[j] = ctx->chaining[j]; - } - RND512P((uint8_t*)temp, y, SWAP32LE(0x00000000)); - RND512P((uint8_t*)y, z, SWAP32LE(0x00000001)); - RND512P((uint8_t*)z, y, SWAP32LE(0x00000002)); - RND512P((uint8_t*)y, z, SWAP32LE(0x00000003)); - RND512P((uint8_t*)z, y, SWAP32LE(0x00000004)); - RND512P((uint8_t*)y, z, SWAP32LE(0x00000005)); - RND512P((uint8_t*)z, y, SWAP32LE(0x00000006)); - RND512P((uint8_t*)y, z, SWAP32LE(0x00000007)); - RND512P((uint8_t*)z, y, SWAP32LE(0x00000008)); - RND512P((uint8_t*)y, temp, SWAP32LE(0x00000009)); - for (j = 0; j < 2 * COLS512; j++) { - ctx->chaining[j] ^= temp[j]; - } -} - -/* initialise context */ -static void Init(hashState* ctx) { - /* allocate memory for state and data buffer */ - - for (size_t i = 0; i < (SIZE512 / sizeof(uint32_t)); i++) { - ctx->chaining[i] = 0; - } - - /* set initial value */ - ctx->chaining[2 * COLS512 - 1] = SWAP32LE(u32BIG((uint32_t)HASH_BIT_LEN)); - - /* set other variables */ - ctx->buf_ptr = 0; - ctx->block_counter1 = 0; - ctx->block_counter2 = 0; - ctx->bits_in_last_byte = 0; -} - -/* update state with databitlen bits of input */ -static void Update(hashState* ctx, const BitSequence* input, DataLength databitlen) { - int index = 0; - int msglen = (int)(databitlen / 8); - int rem = (int)(databitlen % 8); - - /* if the buffer contains data that has not yet been digested, first - add data to buffer until full */ - if (ctx->buf_ptr) { - while (ctx->buf_ptr < SIZE512 && index < msglen) { - ctx->buffer[(int)ctx->buf_ptr++] = input[index++]; - } - if (ctx->buf_ptr < SIZE512) { - /* buffer still not full, return */ - if (rem) { - ctx->bits_in_last_byte = rem; - ctx->buffer[(int)ctx->buf_ptr++] = input[index]; - } - return; - } - - /* digest buffer */ - ctx->buf_ptr = 0; - Transform(ctx, ctx->buffer, SIZE512); - } - - /* digest bulk of message */ - Transform(ctx, input + index, msglen - index); - index += ((msglen - index) / SIZE512) * SIZE512; - - /* store remaining data in buffer */ - while (index < msglen) { - ctx->buffer[(int)ctx->buf_ptr++] = input[index++]; - } - - /* if non-integral number of bytes have been supplied, store - remaining bits in last byte, together with information about - number of bits */ - if (rem) { - ctx->bits_in_last_byte = rem; - ctx->buffer[(int)ctx->buf_ptr++] = input[index]; - } -} - -#define BILB ctx->bits_in_last_byte - -/* finalise: process remaining data (including padding), perform - output transformation, and write hash result to 'output' */ -static void Final(hashState* ctx, BitSequence* output) { - int i, j = 0, hashbytelen = HASH_BIT_LEN / 8; - uint8_t* s = (BitSequence*)ctx->chaining; - - /* pad with '1'-bit and first few '0'-bits */ - if (BILB) { - ctx->buffer[(int)ctx->buf_ptr - 1] &= ((1 << BILB) - 1) << (8 - BILB); - ctx->buffer[(int)ctx->buf_ptr - 1] ^= 0x1 << (7 - BILB); - BILB = 0; - } else - ctx->buffer[(int)ctx->buf_ptr++] = 0x80; - - /* pad with '0'-bits */ - if (ctx->buf_ptr > SIZE512 - LENGTHFIELDLEN) { - /* padding requires two blocks */ - while (ctx->buf_ptr < SIZE512) { - ctx->buffer[(int)ctx->buf_ptr++] = 0; - } - /* digest first padding block */ - Transform(ctx, ctx->buffer, SIZE512); - ctx->buf_ptr = 0; - } - while (ctx->buf_ptr < SIZE512 - LENGTHFIELDLEN) { - ctx->buffer[(int)ctx->buf_ptr++] = 0; - } - - /* length padding */ - ctx->block_counter1++; - if (ctx->block_counter1 == 0) - ctx->block_counter2++; - ctx->buf_ptr = SIZE512; - - while (ctx->buf_ptr > SIZE512 - (int)sizeof(uint32_t)) { - ctx->buffer[(int)--ctx->buf_ptr] = (uint8_t)ctx->block_counter1; - ctx->block_counter1 >>= 8; - } - while (ctx->buf_ptr > SIZE512 - LENGTHFIELDLEN) { - ctx->buffer[(int)--ctx->buf_ptr] = (uint8_t)ctx->block_counter2; - ctx->block_counter2 >>= 8; - } - /* digest final padding block */ - Transform(ctx, ctx->buffer, SIZE512); - /* perform output transformation */ - OutputTransformation(ctx); - - /* store hash result in output */ - for (i = SIZE512 - hashbytelen; i < SIZE512; i++, j++) { - output[j] = s[i]; - } - - /* zeroise relevant variables and deallocate memory */ - for (i = 0; i < COLS512; i++) { - ctx->chaining[i] = 0; - } - for (i = 0; i < SIZE512; i++) { - ctx->buffer[i] = 0; - } -} - -/* hash bit sequence */ -void groestl(const BitSequence* data, DataLength databitlen, BitSequence* hashval) { - - hashState context; - - /* initialise */ - Init(&context); - - /* process message */ - Update(&context, data, databitlen); - - /* finalise */ - Final(&context, hashval); -} -/* -static int crypto_hash(unsigned char *out, - const unsigned char *in, - unsigned long long len) -{ - groestl(in, 8*len, out); - return 0; -} - -*/ diff --git a/src/crypto/groestl.h b/src/crypto/groestl.h deleted file mode 100644 index 1bd6f70..0000000 --- a/src/crypto/groestl.h +++ /dev/null @@ -1,83 +0,0 @@ -// Copyright (c) 2014-2019, The Monero Project -// -// All rights reserved. -// -// Redistribution and use in source and binary forms, with or without modification, are -// permitted provided that the following conditions are met: -// -// 1. Redistributions of source code must retain the above copyright notice, this list of -// conditions and the following disclaimer. -// -// 2. Redistributions in binary form must reproduce the above copyright notice, this list -// of conditions and the following disclaimer in the documentation and/or other -// materials provided with the distribution. -// -// 3. Neither the name of the copyright holder nor the names of its contributors may be -// used to endorse or promote products derived from this software without specific -// prior written permission. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY -// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF -// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL -// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, -// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, -// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF -// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - -#ifndef __hash_h -#define __hash_h -/* -#include "crypto_hash.h" -#include "crypto_uint32.h" -#include "crypto_uint64.h" -#include "crypto_uint8.h" - -typedef crypto_uint8 uint8_t; -typedef crypto_uint32 uint32_t; -typedef crypto_uint64 uint64_t; -*/ -#include - -/* some sizes (number of bytes) */ -#define ROWS 8 -#define LENGTHFIELDLEN ROWS -#define COLS512 8 - -#define SIZE512 (ROWS * COLS512) - -#define ROUNDS512 10 -#define HASH_BIT_LEN 256 - -#define ROTL32(v, n) ((((v) << (n)) | ((v) >> (32 - (n)))) & li_32(ffffffff)) - -#define li_32(h) 0x##h##u -#define EXT_BYTE(var, n) ((uint8_t)((uint32_t)(var) >> (8 * n))) -#define u32BIG(a) ((ROTL32(a, 8) & li_32(00FF00FF)) | (ROTL32(a, 24) & li_32(FF00FF00))) - -/* NIST API begin */ -typedef unsigned char BitSequence; -typedef unsigned long long DataLength; -typedef struct { - uint32_t chaining[SIZE512 / sizeof(uint32_t)]; /* actual state */ - uint32_t block_counter1, block_counter2; /* message block counter(s) */ - BitSequence buffer[SIZE512]; /* data buffer */ - int buf_ptr; /* data buffer pointer */ - int bits_in_last_byte; /* no. of message bits in last byte of - data buffer */ -} hashState; - -/*void Init(hashState*); -void Update(hashState*, const BitSequence*, DataLength); -void Final(hashState*, BitSequence*); */ -void groestl(const BitSequence*, DataLength, BitSequence*); -/* NIST API end */ - -/* -int crypto_hash(unsigned char *out, - const unsigned char *in, - unsigned long long len); -*/ - -#endif /* __hash_h */ diff --git a/src/crypto/groestl_tables.h b/src/crypto/groestl_tables.h deleted file mode 100644 index 238b2fb..0000000 --- a/src/crypto/groestl_tables.h +++ /dev/null @@ -1,188 +0,0 @@ -// Copyright (c) 2014-2019, The Monero Project -// -// All rights reserved. -// -// Redistribution and use in source and binary forms, with or without modification, are -// permitted provided that the following conditions are met: -// -// 1. Redistributions of source code must retain the above copyright notice, this list of -// conditions and the following disclaimer. -// -// 2. Redistributions in binary form must reproduce the above copyright notice, this list -// of conditions and the following disclaimer in the documentation and/or other -// materials provided with the distribution. -// -// 3. Neither the name of the copyright holder nor the names of its contributors may be -// used to endorse or promote products derived from this software without specific -// prior written permission. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY -// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF -// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL -// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, -// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, -// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF -// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - -#ifndef __tables_h -#define __tables_h - -#include "int-util.h" - -#if BYTE_ORDER == LITTLE_ENDIAN -const uint32_t T[512] = { - 0xa5f432c6, 0xc6a597f4, 0x84976ff8, 0xf884eb97, 0x99b05eee, 0xee99c7b0, 0x8d8c7af6, - 0xf68df78c, 0xd17e8ff, 0xff0de517, 0xbddc0ad6, 0xd6bdb7dc, 0xb1c816de, 0xdeb1a7c8, - 0x54fc6d91, 0x915439fc, 0x50f09060, 0x6050c0f0, 0x3050702, 0x2030405, 0xa9e02ece, - 0xcea987e0, 0x7d87d156, 0x567dac87, 0x192bcce7, 0xe719d52b, 0x62a613b5, 0xb56271a6, - 0xe6317c4d, 0x4de69a31, 0x9ab559ec, 0xec9ac3b5, 0x45cf408f, 0x8f4505cf, 0x9dbca31f, - 0x1f9d3ebc, 0x40c04989, 0x894009c0, 0x879268fa, 0xfa87ef92, 0x153fd0ef, 0xef15c53f, - 0xeb2694b2, 0xb2eb7f26, 0xc940ce8e, 0x8ec90740, 0xb1de6fb, 0xfb0bed1d, 0xec2f6e41, - 0x41ec822f, 0x67a91ab3, 0xb3677da9, 0xfd1c435f, 0x5ffdbe1c, 0xea256045, 0x45ea8a25, - 0xbfdaf923, 0x23bf46da, 0xf7025153, 0x53f7a602, 0x96a145e4, 0xe496d3a1, 0x5bed769b, - 0x9b5b2ded, 0xc25d2875, 0x75c2ea5d, 0x1c24c5e1, 0xe11cd924, 0xaee9d43d, 0x3dae7ae9, - 0x6abef24c, 0x4c6a98be, 0x5aee826c, 0x6c5ad8ee, 0x41c3bd7e, 0x7e41fcc3, 0x206f3f5, - 0xf502f106, 0x4fd15283, 0x834f1dd1, 0x5ce48c68, 0x685cd0e4, 0xf4075651, 0x51f4a207, - 0x345c8dd1, 0xd134b95c, 0x818e1f9, 0xf908e918, 0x93ae4ce2, 0xe293dfae, 0x73953eab, - 0xab734d95, 0x53f59762, 0x6253c4f5, 0x3f416b2a, 0x2a3f5441, 0xc141c08, 0x80c1014, - 0x52f66395, 0x955231f6, 0x65afe946, 0x46658caf, 0x5ee27f9d, 0x9d5e21e2, 0x28784830, - 0x30286078, 0xa1f8cf37, 0x37a16ef8, 0xf111b0a, 0xa0f1411, 0xb5c4eb2f, 0x2fb55ec4, - 0x91b150e, 0xe091c1b, 0x365a7e24, 0x2436485a, 0x9bb6ad1b, 0x1b9b36b6, 0x3d4798df, - 0xdf3da547, 0x266aa7cd, 0xcd26816a, 0x69bbf54e, 0x4e699cbb, 0xcd4c337f, 0x7fcdfe4c, - 0x9fba50ea, 0xea9fcfba, 0x1b2d3f12, 0x121b242d, 0x9eb9a41d, 0x1d9e3ab9, 0x749cc458, - 0x5874b09c, 0x2e724634, 0x342e6872, 0x2d774136, 0x362d6c77, 0xb2cd11dc, 0xdcb2a3cd, - 0xee299db4, 0xb4ee7329, 0xfb164d5b, 0x5bfbb616, 0xf601a5a4, 0xa4f65301, 0x4dd7a176, - 0x764decd7, 0x61a314b7, 0xb76175a3, 0xce49347d, 0x7dcefa49, 0x7b8ddf52, 0x527ba48d, - 0x3e429fdd, 0xdd3ea142, 0x7193cd5e, 0x5e71bc93, 0x97a2b113, 0x139726a2, 0xf504a2a6, - 0xa6f55704, 0x68b801b9, 0xb96869b8, 0x0, 0x0, 0x2c74b5c1, 0xc12c9974, - 0x60a0e040, 0x406080a0, 0x1f21c2e3, 0xe31fdd21, 0xc8433a79, 0x79c8f243, 0xed2c9ab6, - 0xb6ed772c, 0xbed90dd4, 0xd4beb3d9, 0x46ca478d, 0x8d4601ca, 0xd9701767, 0x67d9ce70, - 0x4bddaf72, 0x724be4dd, 0xde79ed94, 0x94de3379, 0xd467ff98, 0x98d42b67, 0xe82393b0, - 0xb0e87b23, 0x4ade5b85, 0x854a11de, 0x6bbd06bb, 0xbb6b6dbd, 0x2a7ebbc5, 0xc52a917e, - 0xe5347b4f, 0x4fe59e34, 0x163ad7ed, 0xed16c13a, 0xc554d286, 0x86c51754, 0xd762f89a, - 0x9ad72f62, 0x55ff9966, 0x6655ccff, 0x94a7b611, 0x119422a7, 0xcf4ac08a, 0x8acf0f4a, - 0x1030d9e9, 0xe910c930, 0x60a0e04, 0x406080a, 0x819866fe, 0xfe81e798, 0xf00baba0, - 0xa0f05b0b, 0x44ccb478, 0x7844f0cc, 0xbad5f025, 0x25ba4ad5, 0xe33e754b, 0x4be3963e, - 0xf30eaca2, 0xa2f35f0e, 0xfe19445d, 0x5dfeba19, 0xc05bdb80, 0x80c01b5b, 0x8a858005, - 0x58a0a85, 0xadecd33f, 0x3fad7eec, 0xbcdffe21, 0x21bc42df, 0x48d8a870, 0x7048e0d8, - 0x40cfdf1, 0xf104f90c, 0xdf7a1963, 0x63dfc67a, 0xc1582f77, 0x77c1ee58, 0x759f30af, - 0xaf75459f, 0x63a5e742, 0x426384a5, 0x30507020, 0x20304050, 0x1a2ecbe5, 0xe51ad12e, - 0xe12effd, 0xfd0ee112, 0x6db708bf, 0xbf6d65b7, 0x4cd45581, 0x814c19d4, 0x143c2418, - 0x1814303c, 0x355f7926, 0x26354c5f, 0x2f71b2c3, 0xc32f9d71, 0xe13886be, 0xbee16738, - 0xa2fdc835, 0x35a26afd, 0xcc4fc788, 0x88cc0b4f, 0x394b652e, 0x2e395c4b, 0x57f96a93, - 0x93573df9, 0xf20d5855, 0x55f2aa0d, 0x829d61fc, 0xfc82e39d, 0x47c9b37a, 0x7a47f4c9, - 0xacef27c8, 0xc8ac8bef, 0xe73288ba, 0xbae76f32, 0x2b7d4f32, 0x322b647d, 0x95a442e6, - 0xe695d7a4, 0xa0fb3bc0, 0xc0a09bfb, 0x98b3aa19, 0x199832b3, 0xd168f69e, 0x9ed12768, - 0x7f8122a3, 0xa37f5d81, 0x66aaee44, 0x446688aa, 0x7e82d654, 0x547ea882, 0xabe6dd3b, - 0x3bab76e6, 0x839e950b, 0xb83169e, 0xca45c98c, 0x8cca0345, 0x297bbcc7, 0xc729957b, - 0xd36e056b, 0x6bd3d66e, 0x3c446c28, 0x283c5044, 0x798b2ca7, 0xa779558b, 0xe23d81bc, - 0xbce2633d, 0x1d273116, 0x161d2c27, 0x769a37ad, 0xad76419a, 0x3b4d96db, 0xdb3bad4d, - 0x56fa9e64, 0x6456c8fa, 0x4ed2a674, 0x744ee8d2, 0x1e223614, 0x141e2822, 0xdb76e492, - 0x92db3f76, 0xa1e120c, 0xc0a181e, 0x6cb4fc48, 0x486c90b4, 0xe4378fb8, 0xb8e46b37, - 0x5de7789f, 0x9f5d25e7, 0x6eb20fbd, 0xbd6e61b2, 0xef2a6943, 0x43ef862a, 0xa6f135c4, - 0xc4a693f1, 0xa8e3da39, 0x39a872e3, 0xa4f7c631, 0x31a462f7, 0x37598ad3, 0xd337bd59, - 0x8b8674f2, 0xf28bff86, 0x325683d5, 0xd532b156, 0x43c54e8b, 0x8b430dc5, 0x59eb856e, - 0x6e59dceb, 0xb7c218da, 0xdab7afc2, 0x8c8f8e01, 0x18c028f, 0x64ac1db1, 0xb16479ac, - 0xd26df19c, 0x9cd2236d, 0xe03b7249, 0x49e0923b, 0xb4c71fd8, 0xd8b4abc7, 0xfa15b9ac, - 0xacfa4315, 0x709faf3, 0xf307fd09, 0x256fa0cf, 0xcf25856f, 0xafea20ca, 0xcaaf8fea, - 0x8e897df4, 0xf48ef389, 0xe9206747, 0x47e98e20, 0x18283810, 0x10182028, 0xd5640b6f, - 0x6fd5de64, 0x888373f0, 0xf088fb83, 0x6fb1fb4a, 0x4a6f94b1, 0x7296ca5c, 0x5c72b896, - 0x246c5438, 0x3824706c, 0xf1085f57, 0x57f1ae08, 0xc7522173, 0x73c7e652, 0x51f36497, - 0x975135f3, 0x2365aecb, 0xcb238d65, 0x7c8425a1, 0xa17c5984, 0x9cbf57e8, 0xe89ccbbf, - 0x21635d3e, 0x3e217c63, 0xdd7cea96, 0x96dd377c, 0xdc7f1e61, 0x61dcc27f, 0x86919c0d, - 0xd861a91, 0x85949b0f, 0xf851e94, 0x90ab4be0, 0xe090dbab, 0x42c6ba7c, 0x7c42f8c6, - 0xc4572671, 0x71c4e257, 0xaae529cc, 0xccaa83e5, 0xd873e390, 0x90d83b73, 0x50f0906, - 0x6050c0f, 0x103f4f7, 0xf701f503, 0x12362a1c, 0x1c123836, 0xa3fe3cc2, 0xc2a39ffe, - 0x5fe18b6a, 0x6a5fd4e1, 0xf910beae, 0xaef94710, 0xd06b0269, 0x69d0d26b, 0x91a8bf17, - 0x17912ea8, 0x58e87199, 0x995829e8, 0x2769533a, 0x3a277469, 0xb9d0f727, 0x27b94ed0, - 0x384891d9, 0xd938a948, 0x1335deeb, 0xeb13cd35, 0xb3cee52b, 0x2bb356ce, 0x33557722, - 0x22334455, 0xbbd604d2, 0xd2bbbfd6, 0x709039a9, 0xa9704990, 0x89808707, 0x7890e80, - 0xa7f2c133, 0x33a766f2, 0xb6c1ec2d, 0x2db65ac1, 0x22665a3c, 0x3c227866, 0x92adb815, - 0x15922aad, 0x2060a9c9, 0xc9208960, 0x49db5c87, 0x874915db, 0xff1ab0aa, 0xaaff4f1a, - 0x7888d850, 0x5078a088, 0x7a8e2ba5, 0xa57a518e, 0x8f8a8903, 0x38f068a, 0xf8134a59, - 0x59f8b213, 0x809b9209, 0x980129b, 0x1739231a, 0x1a173439, 0xda751065, 0x65daca75, - 0x315384d7, 0xd731b553, 0xc651d584, 0x84c61351, 0xb8d303d0, 0xd0b8bbd3, 0xc35edc82, - 0x82c31f5e, 0xb0cbe229, 0x29b052cb, 0x7799c35a, 0x5a77b499, 0x11332d1e, 0x1e113c33, - 0xcb463d7b, 0x7bcbf646, 0xfc1fb7a8, 0xa8fc4b1f, 0xd6610c6d, 0x6dd6da61, 0x3a4e622c, - 0x2c3a584e}; -#else -const uint32_t T[512] = { - 0xc632f4a5, 0xf497a5c6, 0xf86f9784, 0x97eb84f8, 0xee5eb099, 0xb0c799ee, 0xf67a8c8d, - 0x8cf78df6, 0xffe8170d, 0x17e50dff, 0xd60adcbd, 0xdcb7bdd6, 0xde16c8b1, 0xc8a7b1de, - 0x916dfc54, 0xfc395491, 0x6090f050, 0xf0c05060, 0x02070503, 0x05040302, 0xce2ee0a9, - 0xe087a9ce, 0x56d1877d, 0x87ac7d56, 0xe7cc2b19, 0x2bd519e7, 0xb513a662, 0xa67162b5, - 0x4d7c31e6, 0x319ae64d, 0xec59b59a, 0xb5c39aec, 0x8f40cf45, 0xcf05458f, 0x1fa3bc9d, - 0xbc3e9d1f, 0x8949c040, 0xc0094089, 0xfa689287, 0x92ef87fa, 0xefd03f15, 0x3fc515ef, - 0xb29426eb, 0x267febb2, 0x8ece40c9, 0x4007c98e, 0xfbe61d0b, 0x1ded0bfb, 0x416e2fec, - 0x2f82ec41, 0xb31aa967, 0xa97d67b3, 0x5f431cfd, 0x1cbefd5f, 0x456025ea, 0x258aea45, - 0x23f9dabf, 0xda46bf23, 0x535102f7, 0x02a6f753, 0xe445a196, 0xa1d396e4, 0x9b76ed5b, - 0xed2d5b9b, 0x75285dc2, 0x5deac275, 0xe1c5241c, 0x24d91ce1, 0x3dd4e9ae, 0xe97aae3d, - 0x4cf2be6a, 0xbe986a4c, 0x6c82ee5a, 0xeed85a6c, 0x7ebdc341, 0xc3fc417e, 0xf5f30602, - 0x06f102f5, 0x8352d14f, 0xd11d4f83, 0x688ce45c, 0xe4d05c68, 0x515607f4, 0x07a2f451, - 0xd18d5c34, 0x5cb934d1, 0xf9e11808, 0x18e908f9, 0xe24cae93, 0xaedf93e2, 0xab3e9573, - 0x954d73ab, 0x6297f553, 0xf5c45362, 0x2a6b413f, 0x41543f2a, 0x081c140c, 0x14100c08, - 0x9563f652, 0xf6315295, 0x46e9af65, 0xaf8c6546, 0x9d7fe25e, 0xe2215e9d, 0x30487828, - 0x78602830, 0x37cff8a1, 0xf86ea137, 0x0a1b110f, 0x11140f0a, 0x2febc4b5, 0xc45eb52f, - 0x0e151b09, 0x1b1c090e, 0x247e5a36, 0x5a483624, 0x1badb69b, 0xb6369b1b, 0xdf98473d, - 0x47a53ddf, 0xcda76a26, 0x6a8126cd, 0x4ef5bb69, 0xbb9c694e, 0x7f334ccd, 0x4cfecd7f, - 0xea50ba9f, 0xbacf9fea, 0x123f2d1b, 0x2d241b12, 0x1da4b99e, 0xb93a9e1d, 0x58c49c74, - 0x9cb07458, 0x3446722e, 0x72682e34, 0x3641772d, 0x776c2d36, 0xdc11cdb2, 0xcda3b2dc, - 0xb49d29ee, 0x2973eeb4, 0x5b4d16fb, 0x16b6fb5b, 0xa4a501f6, 0x0153f6a4, 0x76a1d74d, - 0xd7ec4d76, 0xb714a361, 0xa37561b7, 0x7d3449ce, 0x49face7d, 0x52df8d7b, 0x8da47b52, - 0xdd9f423e, 0x42a13edd, 0x5ecd9371, 0x93bc715e, 0x13b1a297, 0xa2269713, 0xa6a204f5, - 0x0457f5a6, 0xb901b868, 0xb86968b9, 0x00000000, 0x00000000, 0xc1b5742c, 0x74992cc1, - 0x40e0a060, 0xa0806040, 0xe3c2211f, 0x21dd1fe3, 0x793a43c8, 0x43f2c879, 0xb69a2ced, - 0x2c77edb6, 0xd40dd9be, 0xd9b3bed4, 0x8d47ca46, 0xca01468d, 0x671770d9, 0x70ced967, - 0x72afdd4b, 0xdde44b72, 0x94ed79de, 0x7933de94, 0x98ff67d4, 0x672bd498, 0xb09323e8, - 0x237be8b0, 0x855bde4a, 0xde114a85, 0xbb06bd6b, 0xbd6d6bbb, 0xc5bb7e2a, 0x7e912ac5, - 0x4f7b34e5, 0x349ee54f, 0xedd73a16, 0x3ac116ed, 0x86d254c5, 0x5417c586, 0x9af862d7, - 0x622fd79a, 0x6699ff55, 0xffcc5566, 0x11b6a794, 0xa7229411, 0x8ac04acf, 0x4a0fcf8a, - 0xe9d93010, 0x30c910e9, 0x040e0a06, 0x0a080604, 0xfe669881, 0x98e781fe, 0xa0ab0bf0, - 0x0b5bf0a0, 0x78b4cc44, 0xccf04478, 0x25f0d5ba, 0xd54aba25, 0x4b753ee3, 0x3e96e34b, - 0xa2ac0ef3, 0x0e5ff3a2, 0x5d4419fe, 0x19bafe5d, 0x80db5bc0, 0x5b1bc080, 0x0580858a, - 0x850a8a05, 0x3fd3ecad, 0xec7ead3f, 0x21fedfbc, 0xdf42bc21, 0x70a8d848, 0xd8e04870, - 0xf1fd0c04, 0x0cf904f1, 0x63197adf, 0x7ac6df63, 0x772f58c1, 0x58eec177, 0xaf309f75, - 0x9f4575af, 0x42e7a563, 0xa5846342, 0x20705030, 0x50403020, 0xe5cb2e1a, 0x2ed11ae5, - 0xfdef120e, 0x12e10efd, 0xbf08b76d, 0xb7656dbf, 0x8155d44c, 0xd4194c81, 0x18243c14, - 0x3c301418, 0x26795f35, 0x5f4c3526, 0xc3b2712f, 0x719d2fc3, 0xbe8638e1, 0x3867e1be, - 0x35c8fda2, 0xfd6aa235, 0x88c74fcc, 0x4f0bcc88, 0x2e654b39, 0x4b5c392e, 0x936af957, - 0xf93d5793, 0x55580df2, 0x0daaf255, 0xfc619d82, 0x9de382fc, 0x7ab3c947, 0xc9f4477a, - 0xc827efac, 0xef8bacc8, 0xba8832e7, 0x326fe7ba, 0x324f7d2b, 0x7d642b32, 0xe642a495, - 0xa4d795e6, 0xc03bfba0, 0xfb9ba0c0, 0x19aab398, 0xb3329819, 0x9ef668d1, 0x6827d19e, - 0xa322817f, 0x815d7fa3, 0x44eeaa66, 0xaa886644, 0x54d6827e, 0x82a87e54, 0x3bdde6ab, - 0xe676ab3b, 0x0b959e83, 0x9e16830b, 0x8cc945ca, 0x4503ca8c, 0xc7bc7b29, 0x7b9529c7, - 0x6b056ed3, 0x6ed6d36b, 0x286c443c, 0x44503c28, 0xa72c8b79, 0x8b5579a7, 0xbc813de2, - 0x3d63e2bc, 0x1631271d, 0x272c1d16, 0xad379a76, 0x9a4176ad, 0xdb964d3b, 0x4dad3bdb, - 0x649efa56, 0xfac85664, 0x74a6d24e, 0xd2e84e74, 0x1436221e, 0x22281e14, 0x92e476db, - 0x763fdb92, 0x0c121e0a, 0x1e180a0c, 0x48fcb46c, 0xb4906c48, 0xb88f37e4, 0x376be4b8, - 0x9f78e75d, 0xe7255d9f, 0xbd0fb26e, 0xb2616ebd, 0x43692aef, 0x2a86ef43, 0xc435f1a6, - 0xf193a6c4, 0x39dae3a8, 0xe372a839, 0x31c6f7a4, 0xf762a431, 0xd38a5937, 0x59bd37d3, - 0xf274868b, 0x86ff8bf2, 0xd5835632, 0x56b132d5, 0x8b4ec543, 0xc50d438b, 0x6e85eb59, - 0xebdc596e, 0xda18c2b7, 0xc2afb7da, 0x018e8f8c, 0x8f028c01, 0xb11dac64, 0xac7964b1, - 0x9cf16dd2, 0x6d23d29c, 0x49723be0, 0x3b92e049, 0xd81fc7b4, 0xc7abb4d8, 0xacb915fa, - 0x1543faac, 0xf3fa0907, 0x09fd07f3, 0xcfa06f25, 0x6f8525cf, 0xca20eaaf, 0xea8fafca, - 0xf47d898e, 0x89f38ef4, 0x476720e9, 0x208ee947, 0x10382818, 0x28201810, 0x6f0b64d5, - 0x64ded56f, 0xf0738388, 0x83fb88f0, 0x4afbb16f, 0xb1946f4a, 0x5cca9672, 0x96b8725c, - 0x38546c24, 0x6c702438, 0x575f08f1, 0x08aef157, 0x732152c7, 0x52e6c773, 0x9764f351, - 0xf3355197, 0xcbae6523, 0x658d23cb, 0xa125847c, 0x84597ca1, 0xe857bf9c, 0xbfcb9ce8, - 0x3e5d6321, 0x637c213e, 0x96ea7cdd, 0x7c37dd96, 0x611e7fdc, 0x7fc2dc61, 0x0d9c9186, - 0x911a860d, 0x0f9b9485, 0x941e850f, 0xe04bab90, 0xabdb90e0, 0x7cbac642, 0xc6f8427c, - 0x712657c4, 0x57e2c471, 0xcc29e5aa, 0xe583aacc, 0x90e373d8, 0x733bd890, 0x06090f05, - 0x0f0c0506, 0xf7f40301, 0x03f501f7, 0x1c2a3612, 0x3638121c, 0xc23cfea3, 0xfe9fa3c2, - 0x6a8be15f, 0xe1d45f6a, 0xaebe10f9, 0x1047f9ae, 0x69026bd0, 0x6bd2d069, 0x17bfa891, - 0xa82e9117, 0x9971e858, 0xe8295899, 0x3a536927, 0x6974273a, 0x27f7d0b9, 0xd04eb927, - 0xd9914838, 0x48a938d9, 0xebde3513, 0x35cd13eb, 0x2be5ceb3, 0xce56b32b, 0x22775533, - 0x55443322, 0xd204d6bb, 0xd6bfbbd2, 0xa9399070, 0x904970a9, 0x07878089, 0x800e8907, - 0x33c1f2a7, 0xf266a733, 0x2decc1b6, 0xc15ab62d, 0x3c5a6622, 0x6678223c, 0x15b8ad92, - 0xad2a9215, 0xc9a96020, 0x608920c9, 0x875cdb49, 0xdb154987, 0xaab01aff, 0x1a4fffaa, - 0x50d88878, 0x88a07850, 0xa52b8e7a, 0x8e517aa5, 0x03898a8f, 0x8a068f03, 0x594a13f8, - 0x13b2f859, 0x09929b80, 0x9b128009, 0x1a233917, 0x3934171a, 0x651075da, 0x75cada65, - 0xd7845331, 0x53b531d7, 0x84d551c6, 0x5113c684, 0xd003d3b8, 0xd3bbb8d0, 0x82dc5ec3, - 0x5e1fc382, 0x29e2cbb0, 0xcb52b029, 0x5ac39977, 0x99b4775a, 0x1e2d3311, 0x333c111e, - 0x7b3d46cb, 0x46f6cb7b, 0xa8b71ffc, 0x1f4bfca8, 0x6d0c61d6, 0x61dad66d, 0x2c624e3a, - 0x4e583a2c}; -#endif - -#endif /* __tables_h */ diff --git a/src/crypto/hash-extra-blake.c b/src/crypto/hash-extra-blake.c deleted file mode 100644 index 26ba3c1..0000000 --- a/src/crypto/hash-extra-blake.c +++ /dev/null @@ -1,38 +0,0 @@ -// Copyright (c) 2014-2019, The Monero Project -// -// All rights reserved. -// -// Redistribution and use in source and binary forms, with or without modification, are -// permitted provided that the following conditions are met: -// -// 1. Redistributions of source code must retain the above copyright notice, this list of -// conditions and the following disclaimer. -// -// 2. Redistributions in binary form must reproduce the above copyright notice, this list -// of conditions and the following disclaimer in the documentation and/or other -// materials provided with the distribution. -// -// 3. Neither the name of the copyright holder nor the names of its contributors may be -// used to endorse or promote products derived from this software without specific -// prior written permission. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY -// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF -// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL -// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, -// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, -// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF -// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -// -// Parts of this file are originally copyright (c) 2012-2013 The Cryptonote developers - -#include -#include - -#include "blake256.h" - -void hash_extra_blake(const void* data, size_t length, char* hash) { - blake256_hash((uint8_t*)hash, data, length); -} diff --git a/src/crypto/hash-extra-groestl.c b/src/crypto/hash-extra-groestl.c deleted file mode 100644 index f62ac8e..0000000 --- a/src/crypto/hash-extra-groestl.c +++ /dev/null @@ -1,38 +0,0 @@ -// Copyright (c) 2014-2019, The Monero Project -// -// All rights reserved. -// -// Redistribution and use in source and binary forms, with or without modification, are -// permitted provided that the following conditions are met: -// -// 1. Redistributions of source code must retain the above copyright notice, this list of -// conditions and the following disclaimer. -// -// 2. Redistributions in binary form must reproduce the above copyright notice, this list -// of conditions and the following disclaimer in the documentation and/or other -// materials provided with the distribution. -// -// 3. Neither the name of the copyright holder nor the names of its contributors may be -// used to endorse or promote products derived from this software without specific -// prior written permission. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY -// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF -// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL -// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, -// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, -// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF -// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -// -// Parts of this file are originally copyright (c) 2012-2013 The Cryptonote developers - -#include -#include - -#include "groestl.h" - -void hash_extra_groestl(const void* data, size_t length, char* hash) { - groestl(data, length * 8, (uint8_t*)hash); -} diff --git a/src/crypto/hash-extra-jh.c b/src/crypto/hash-extra-jh.c deleted file mode 100644 index ce47616..0000000 --- a/src/crypto/hash-extra-jh.c +++ /dev/null @@ -1,41 +0,0 @@ -// Copyright (c) 2014-2019, The Monero Project -// -// All rights reserved. -// -// Redistribution and use in source and binary forms, with or without modification, are -// permitted provided that the following conditions are met: -// -// 1. Redistributions of source code must retain the above copyright notice, this list of -// conditions and the following disclaimer. -// -// 2. Redistributions in binary form must reproduce the above copyright notice, this list -// of conditions and the following disclaimer in the documentation and/or other -// materials provided with the distribution. -// -// 3. Neither the name of the copyright holder nor the names of its contributors may be -// used to endorse or promote products derived from this software without specific -// prior written permission. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY -// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF -// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL -// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, -// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, -// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF -// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -// -// Parts of this file are originally copyright (c) 2012-2013 The Cryptonote developers - -#include -#include -#include - -#include "hash-ops.h" -#include "jh.h" - -void hash_extra_jh(const void* data, size_t length, unsigned char* hash) { - int r = jh_hash(HASH_SIZE * 8, data, 8 * length, hash); - assert(SUCCESS == r); -} diff --git a/src/crypto/hash-extra-skein.c b/src/crypto/hash-extra-skein.c deleted file mode 100644 index cca0ac0..0000000 --- a/src/crypto/hash-extra-skein.c +++ /dev/null @@ -1,41 +0,0 @@ -// Copyright (c) 2014-2019, The Monero Project -// -// All rights reserved. -// -// Redistribution and use in source and binary forms, with or without modification, are -// permitted provided that the following conditions are met: -// -// 1. Redistributions of source code must retain the above copyright notice, this list of -// conditions and the following disclaimer. -// -// 2. Redistributions in binary form must reproduce the above copyright notice, this list -// of conditions and the following disclaimer in the documentation and/or other -// materials provided with the distribution. -// -// 3. Neither the name of the copyright holder nor the names of its contributors may be -// used to endorse or promote products derived from this software without specific -// prior written permission. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY -// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF -// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL -// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, -// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, -// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF -// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -// -// Parts of this file are originally copyright (c) 2012-2013 The Cryptonote developers - -#include -#include -#include - -#include "hash-ops.h" -#include "skein.h" - -void hash_extra_skein(const void* data, size_t length, unsigned char* hash) { - int r = skein_hash(8 * HASH_SIZE, data, 8 * length, hash); - assert(SKEIN_SUCCESS == r); -} diff --git a/src/crypto/hash-ops.h b/src/crypto/hash-ops.h deleted file mode 100644 index 8d7b72f..0000000 --- a/src/crypto/hash-ops.h +++ /dev/null @@ -1,91 +0,0 @@ -// Copyright (c) 2014-2019, The Monero Project -// -// All rights reserved. -// -// Redistribution and use in source and binary forms, with or without modification, are -// permitted provided that the following conditions are met: -// -// 1. Redistributions of source code must retain the above copyright notice, this list of -// conditions and the following disclaimer. -// -// 2. Redistributions in binary form must reproduce the above copyright notice, this list -// of conditions and the following disclaimer in the documentation and/or other -// materials provided with the distribution. -// -// 3. Neither the name of the copyright holder nor the names of its contributors may be -// used to endorse or promote products derived from this software without specific -// prior written permission. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY -// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF -// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL -// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, -// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, -// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF -// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -// -// Parts of this file are originally copyright (c) 2012-2013 The Cryptonote developers - -#pragma once - -#if !defined(__cplusplus) - -#include -#include -#include -#include - -#pragma pack(push, 1) -union hash_state { - uint8_t b[200]; - uint64_t w[25]; -}; -#pragma pack(pop) -static_assert(sizeof(union hash_state) == 200, "Invalid structure size"); - -void hash_permutation(union hash_state* state); -void hash_process(union hash_state* state, const uint8_t* buf, size_t count); - -#endif - -enum { HASH_SIZE = 32, HASH_DATA_AREA = 136 }; - -#define CN_TURTLE_PAGE_SIZE 262144 -void cn_fast_hash(const void* data, size_t length, unsigned char* hash); -void cn_turtle_hash( - const void* data, - size_t length, - unsigned char* hash, - int light, - int variant, - int prehashed, - uint32_t scratchpad, - uint32_t iterations); -#ifdef ENABLE_MONERO_SLOW_HASH -void cn_monero_hash( - const void* data, size_t length, unsigned char* hash, int variant, int prehashed); -#endif - -void hash_extra_blake(const void* data, size_t length, unsigned char* hash); -void hash_extra_groestl(const void* data, size_t length, unsigned char* hash); -void hash_extra_jh(const void* data, size_t length, unsigned char* hash); -void hash_extra_skein(const void* data, size_t length, unsigned char* hash); - -void tree_hash(const unsigned char (*hashes)[HASH_SIZE], size_t count, unsigned char* root_hash); - -void rx_slow_hash_allocate_state(void); -void rx_slow_hash_free_state(void); -uint64_t rx_seedheight(const uint64_t height); -void rx_seedheights(const uint64_t height, uint64_t* seed_height, uint64_t* next_height); -void rx_slow_hash( - const uint64_t mainheight, - const uint64_t seedheight, - const unsigned char* seedhash, - const void* data, - size_t length, - unsigned char* hash, - int miners, - int is_alt); -void rx_reorg(const uint64_t split_height); diff --git a/src/crypto/hash.c b/src/crypto/hash.c deleted file mode 100644 index cf4876f..0000000 --- a/src/crypto/hash.c +++ /dev/null @@ -1,58 +0,0 @@ -// Copyright (c) 2014-2019, The Monero Project -// -// All rights reserved. -// -// Redistribution and use in source and binary forms, with or without modification, are -// permitted provided that the following conditions are met: -// -// 1. Redistributions of source code must retain the above copyright notice, this list of -// conditions and the following disclaimer. -// -// 2. Redistributions in binary form must reproduce the above copyright notice, this list -// of conditions and the following disclaimer in the documentation and/or other -// materials provided with the distribution. -// -// 3. Neither the name of the copyright holder nor the names of its contributors may be -// used to endorse or promote products derived from this software without specific -// prior written permission. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY -// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF -// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL -// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, -// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, -// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF -// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -// -// Parts of this file are originally copyright (c) 2012-2013 The Cryptonote developers - -#include -#include -#include - -#include "int-util.h" -#include "hash-ops.h" -#include "keccak.h" - -void hash_permutation(union hash_state* state) { -#if BYTE_ORDER == LITTLE_ENDIAN - keccakf((uint64_t*)state, 24); -#else - uint64_t le_state[25]; - memcpy_swap64le(le_state, state, 25); - keccakf(le_state, 24); - memcpy_swap64le(state, le_state, 25); -#endif -} - -void hash_process(union hash_state* state, const uint8_t* buf, size_t count) { - keccak1600(buf, count, (uint8_t*)state); -} - -void cn_fast_hash(const void* data, size_t length, unsigned char* hash) { - union hash_state state; - hash_process(&state, data, length); - memcpy(hash, &state, HASH_SIZE); -} diff --git a/src/crypto/hmac-keccak.c b/src/crypto/hmac-keccak.c deleted file mode 100644 index bc6b779..0000000 --- a/src/crypto/hmac-keccak.c +++ /dev/null @@ -1,82 +0,0 @@ -// Copyright (c) 2014-2018, The Monero Project -// -// All rights reserved. -// -// Redistribution and use in source and binary forms, with or without modification, are -// permitted provided that the following conditions are met: -// -// 1. Redistributions of source code must retain the above copyright notice, this list of -// conditions and the following disclaimer. -// -// 2. Redistributions in binary form must reproduce the above copyright notice, this list -// of conditions and the following disclaimer in the documentation and/or other -// materials provided with the distribution. -// -// 3. Neither the name of the copyright holder nor the names of its contributors may be -// used to endorse or promote products derived from this software without specific -// prior written permission. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY -// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF -// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL -// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, -// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, -// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF -// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - -#include "hmac-keccak.h" -#include "../../include/ethyl/ecdsa_util.h" - -#define KECCAK_BLOCKLEN 136 -#define HASH_SIZE 32 - -void hmac_keccak_init(hmac_keccak_state* S, const uint8_t* _key, size_t keylen) { - const uint8_t* key = _key; - uint8_t keyhash[HASH_SIZE]; - uint8_t pad[KECCAK_BLOCKLEN]; - uint64_t i; - - if (keylen > KECCAK_BLOCKLEN) { - keccak(key, keylen, keyhash, HASH_SIZE); - key = keyhash; - keylen = HASH_SIZE; - } - - keccak_init(&S->inner); - memset(pad, 0x36, KECCAK_BLOCKLEN); - for (i = 0; i < keylen; ++i) { - pad[i] ^= key[i]; - } - keccak_update(&S->inner, pad, KECCAK_BLOCKLEN); - - keccak_init(&S->outer); - memset(pad, 0x5c, KECCAK_BLOCKLEN); - for (i = 0; i < keylen; ++i) { - pad[i] ^= key[i]; - } - keccak_update(&S->outer, pad, KECCAK_BLOCKLEN); - - secure_erase(keyhash, HASH_SIZE); -} - -void hmac_keccak_update(hmac_keccak_state* S, const uint8_t* data, size_t datalen) { - keccak_update(&S->inner, data, datalen); -} - -void hmac_keccak_finish(hmac_keccak_state* S, uint8_t* digest) { - uint8_t ihash[HASH_SIZE]; - keccak_finish(&S->inner, ihash); - keccak_update(&S->outer, ihash, HASH_SIZE); - keccak_finish(&S->outer, digest); - secure_erase(ihash, HASH_SIZE); -} - -void hmac_keccak_hash( - uint8_t* out, const uint8_t* key, size_t keylen, const uint8_t* in, size_t inlen) { - hmac_keccak_state S; - hmac_keccak_init(&S, key, keylen); - hmac_keccak_update(&S, in, inlen); - hmac_keccak_finish(&S, out); -} diff --git a/src/crypto/hmac-keccak.h b/src/crypto/hmac-keccak.h deleted file mode 100644 index 825178c..0000000 --- a/src/crypto/hmac-keccak.h +++ /dev/null @@ -1,60 +0,0 @@ -// Copyright (c) 2014-2018, The Monero Project -// -// All rights reserved. -// -// Redistribution and use in source and binary forms, with or without modification, are -// permitted provided that the following conditions are met: -// -// 1. Redistributions of source code must retain the above copyright notice, this list of -// conditions and the following disclaimer. -// -// 2. Redistributions in binary form must reproduce the above copyright notice, this list -// of conditions and the following disclaimer in the documentation and/or other -// materials provided with the distribution. -// -// 3. Neither the name of the copyright holder nor the names of its contributors may be -// used to endorse or promote products derived from this software without specific -// prior written permission. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY -// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF -// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL -// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, -// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, -// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF -// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - -#ifndef HMAC_KECCAK_H -#define HMAC_KECCAK_H - -#include "keccak.h" - -// HMAC RFC 2104 with Keccak-256 base hash function -// -// B = KECCAK_BLOCKLEN = 136 B -// L = HASH_SIZE = 32 B -// -// Note this is not HMAC-SHA3 as SHA3 and Keccak differs in -// the padding constant. - -#ifdef __cplusplus -extern "C" { -#endif - -typedef struct { - KECCAK_CTX inner; - KECCAK_CTX outer; -} hmac_keccak_state; - -void hmac_keccak_init(hmac_keccak_state* S, const uint8_t* _key, size_t keylen); -void hmac_keccak_update(hmac_keccak_state* S, const uint8_t* data, size_t datalen); -void hmac_keccak_finish(hmac_keccak_state* S, uint8_t* digest); -void hmac_keccak_hash( - uint8_t* out, const uint8_t* key, size_t keylen, const uint8_t* in, size_t inlen); - -#ifdef __cplusplus -} -#endif -#endif // HMAC_KECCAK_H diff --git a/src/crypto/initializer.h b/src/crypto/initializer.h deleted file mode 100644 index 8e6ac54..0000000 --- a/src/crypto/initializer.h +++ /dev/null @@ -1,62 +0,0 @@ -// Copyright (c) 2014-2019, The Monero Project -// -// All rights reserved. -// -// Redistribution and use in source and binary forms, with or without modification, are -// permitted provided that the following conditions are met: -// -// 1. Redistributions of source code must retain the above copyright notice, this list of -// conditions and the following disclaimer. -// -// 2. Redistributions in binary form must reproduce the above copyright notice, this list -// of conditions and the following disclaimer in the documentation and/or other -// materials provided with the distribution. -// -// 3. Neither the name of the copyright holder nor the names of its contributors may be -// used to endorse or promote products derived from this software without specific -// prior written permission. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY -// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF -// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL -// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, -// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, -// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF -// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -// -// Parts of this file are originally copyright (c) 2012-2013 The Cryptonote developers - -#pragma once - -#if defined(__GNUC__) -#if defined(__sun) && defined(__SVR4) -#define INITIALIZER(name) __attribute__((constructor)) static void name(void) -#define FINALIZER(name) __attribute__((destructor)) static void name(void) -#else -#define INITIALIZER(name) __attribute__((constructor(101))) static void name(void) -#define FINALIZER(name) __attribute__((destructor(101))) static void name(void) -#endif -#define REGISTER_FINALIZER(name) ((void)0) - -#elif defined(_MSC_VER) -#include -#include -// https://stackoverflow.com/questions/1113409/attribute-constructor-equivalent-in-vc -// https://msdn.microsoft.com/en-us/library/bb918180.aspx -#pragma section(".CRT$XCT", read) -#define INITIALIZER(name) \ - static void __cdecl name(void); \ - __declspec(allocate(".CRT$XCT")) void(__cdecl* const _##name)(void) = &name; \ - static void __cdecl name(void) -#define FINALIZER(name) static void __cdecl name(void) -#define REGISTER_FINALIZER(name) \ - do { \ - int _res = atexit(name); \ - assert(_res == 0); \ - } while (0); - -#else -#error Unsupported compiler -#endif diff --git a/src/crypto/int-util.h b/src/crypto/int-util.h deleted file mode 100644 index 93368bb..0000000 --- a/src/crypto/int-util.h +++ /dev/null @@ -1,195 +0,0 @@ -// Copyright (c) 2012-2013 The Cryptonote developers -// Distributed under the MIT/X11 software license, see the accompanying -// file COPYING or http://www.opensource.org/licenses/mit-license.php. - -#pragma once -#ifndef INT_UTILS_H_ -#define INT_UTILS_H_ - -#include -#include -#include -#include -#ifndef _MSC_VER -#include -#else -#define inline __inline -#endif - -#ifndef LITTLE_ENDIAN -#define LITTLE_ENDIAN 0x1234 -#define BIG_ENDIAN 0x4321 -#endif - -#if !defined(BYTE_ORDER) && (defined(__LITTLE_ENDIAN__) || defined(__arm__) || defined(WIN32)) -#define BYTE_ORDER LITTLE_ENDIAN -#endif - -#if defined(WIN32) -#include - -static inline uint32_t rol32(uint32_t x, int r) { - return _rotl(x, r); -} - -static inline uint64_t rol64(uint64_t x, int r) { - return _rotl64(x, r); -} - -#else - -static inline uint32_t rol32(uint32_t x, int r) { - return (x << (r & 31)) | (x >> (-r & 31)); -} - -static inline uint64_t rol64(uint64_t x, int r) { - return (x << (r & 63)) | (x >> (-r & 63)); -} - -#endif - -static inline uint64_t hi_dword(uint64_t val) { - return val >> 32; -} - -static inline uint64_t lo_dword(uint64_t val) { - return val & 0xFFFFFFFF; -} - -static inline uint64_t div_with_reminder(uint64_t dividend, uint32_t divisor, uint32_t* remainder) { - dividend |= ((uint64_t)*remainder) << 32; - *remainder = dividend % divisor; - return dividend / divisor; -} - -// Long division with 2^32 base -static inline uint32_t div128_32(uint64_t dividend_hi, uint64_t dividend_lo, uint32_t divisor, uint64_t* quotient_hi, uint64_t* quotient_lo) { - uint64_t dividend_dwords[4]; - uint32_t remainder = 0; - - dividend_dwords[3] = hi_dword(dividend_hi); - dividend_dwords[2] = lo_dword(dividend_hi); - dividend_dwords[1] = hi_dword(dividend_lo); - dividend_dwords[0] = lo_dword(dividend_lo); - - *quotient_hi = div_with_reminder(dividend_dwords[3], divisor, &remainder) << 32; - *quotient_hi |= div_with_reminder(dividend_dwords[2], divisor, &remainder); - *quotient_lo = div_with_reminder(dividend_dwords[1], divisor, &remainder) << 32; - *quotient_lo |= div_with_reminder(dividend_dwords[0], divisor, &remainder); - - return remainder; -} - -#define IDENT32(x) ((uint32_t) (x)) -#define IDENT64(x) ((uint64_t) (x)) - -#define SWAP32(x) ((((uint32_t) (x) & 0x000000ff) << 24) | \ - (((uint32_t) (x) & 0x0000ff00) << 8) | \ - (((uint32_t) (x) & 0x00ff0000) >> 8) | \ - (((uint32_t) (x) & 0xff000000) >> 24)) -#define SWAP64(x) ((((uint64_t) (x) & 0x00000000000000ff) << 56) | \ - (((uint64_t) (x) & 0x000000000000ff00) << 40) | \ - (((uint64_t) (x) & 0x0000000000ff0000) << 24) | \ - (((uint64_t) (x) & 0x00000000ff000000) << 8) | \ - (((uint64_t) (x) & 0x000000ff00000000) >> 8) | \ - (((uint64_t) (x) & 0x0000ff0000000000) >> 24) | \ - (((uint64_t) (x) & 0x00ff000000000000) >> 40) | \ - (((uint64_t) (x) & 0xff00000000000000) >> 56)) - -static inline uint32_t ident32(uint32_t x) { return x; } -static inline uint64_t ident64(uint64_t x) { return x; } - -static inline uint32_t swap32(uint32_t x) { - x = ((x & 0x00ff00ff) << 8) | ((x & 0xff00ff00) >> 8); - return (x << 16) | (x >> 16); -} -static inline uint64_t swap64(uint64_t x) { - x = ((x & 0x00ff00ff00ff00ff) << 8) | ((x & 0xff00ff00ff00ff00) >> 8); - x = ((x & 0x0000ffff0000ffff) << 16) | ((x & 0xffff0000ffff0000) >> 16); - return (x << 32) | (x >> 32); -} - -#if defined(__GNUC__) -#define UNUSED __attribute__((unused)) -#else -#define UNUSED -#endif -static inline void mem_inplace_ident(void *mem UNUSED, size_t n UNUSED) { } -#undef UNUSED - -static inline void mem_inplace_swap32(void *mem, size_t n) { - size_t i; - for (i = 0; i < n; i++) { - ((uint32_t *) mem)[i] = swap32(((const uint32_t *) mem)[i]); - } -} -static inline void mem_inplace_swap64(void *mem, size_t n) { - size_t i; - for (i = 0; i < n; i++) { - ((uint64_t *) mem)[i] = swap64(((const uint64_t *) mem)[i]); - } -} - -static inline void memcpy_ident32(void *dst, const void *src, size_t n) { - memcpy(dst, src, 4 * n); -} -static inline void memcpy_ident64(void *dst, const void *src, size_t n) { - memcpy(dst, src, 8 * n); -} - -static inline void memcpy_swap32(void *dst, const void *src, size_t n) { - size_t i; - for (i = 0; i < n; i++) { - ((uint32_t *) dst)[i] = swap32(((const uint32_t *) src)[i]); - } -} -static inline void memcpy_swap64(void *dst, const void *src, size_t n) { - size_t i; - for (i = 0; i < n; i++) { - ((uint64_t *) dst)[i] = swap64(((const uint64_t *) src)[i]); - } -} - -#if !defined(BYTE_ORDER) || !defined(LITTLE_ENDIAN) || !defined(BIG_ENDIAN) -static_assert(false, "BYTE_ORDER is undefined. Perhaps, GNU extensions are not enabled"); -#endif - -#if BYTE_ORDER == LITTLE_ENDIAN -#define SWAP32LE IDENT32 -#define SWAP32BE SWAP32 -#define swap32le ident32 -#define swap32be swap32 -#define mem_inplace_swap32le mem_inplace_ident -#define mem_inplace_swap32be mem_inplace_swap32 -#define memcpy_swap32le memcpy_ident32 -#define memcpy_swap32be memcpy_swap32 -#define SWAP64LE IDENT64 -#define SWAP64BE SWAP64 -#define swap64le ident64 -#define swap64be swap64 -#define mem_inplace_swap64le mem_inplace_ident -#define mem_inplace_swap64be mem_inplace_swap64 -#define memcpy_swap64le memcpy_ident64 -#define memcpy_swap64be memcpy_swap64 -#endif - -#if BYTE_ORDER == BIG_ENDIAN -#define SWAP32BE IDENT32 -#define SWAP32LE SWAP32 -#define swap32be ident32 -#define swap32le swap32 -#define mem_inplace_swap32be mem_inplace_ident -#define mem_inplace_swap32le mem_inplace_swap32 -#define memcpy_swap32be memcpy_ident32 -#define memcpy_swap32le memcpy_swap32 -#define SWAP64BE IDENT64 -#define SWAP64LE SWAP64 -#define swap64be ident64 -#define swap64le swap64 -#define mem_inplace_swap64be mem_inplace_ident -#define mem_inplace_swap64le mem_inplace_swap64 -#define memcpy_swap64be memcpy_ident64 -#define memcpy_swap64le memcpy_swap64 -#endif - -#endif /* INT_UTILS_H_ */ diff --git a/src/crypto/jh.c b/src/crypto/jh.c deleted file mode 100644 index 6e39b3b..0000000 --- a/src/crypto/jh.c +++ /dev/null @@ -1,631 +0,0 @@ -/*This program gives the 64-bit optimized bitslice implementation of JH using ANSI C - - -------------------------------- - Performance - - Microprocessor: Intel CORE 2 processor (Core 2 Duo Mobile T6600 2.2GHz) - Operating System: 64-bit Ubuntu 10.04 (Linux kernel 2.6.32-22-generic) - Speed for long message: - 1) 45.8 cycles/byte compiler: Intel C++ Compiler 11.1 compilation option: icc -O2 - 2) 56.8 cycles/byte compiler: gcc 4.4.3 compilation option: gcc -O3 - - -------------------------------- - Last Modified: January 16, 2011 -*/ - -#include "jh.h" - -#include -#include - -/*typedef unsigned long long uint64;*/ -typedef uint64_t uint64; - -/*define data alignment for different C compilers*/ -#if defined(__GNUC__) -#define DATA_ALIGN16(x) x __attribute__((aligned(16))) -#else -#define DATA_ALIGN16(x) __declspec(align(16)) x -#endif - -// Some versions of GCC produce warnings in here, which seems completely justifiable given how dirty -// this code is. Switch the triggering warnings off. -#if defined(__GNUC__) && !defined(__clang__) -#pragma GCC diagnostic ignored "-Wmaybe-uninitialized" -#endif - -typedef struct { - int hashbitlen; /*the message digest size*/ - unsigned long long databitlen; /*the message size in bits*/ - unsigned long long datasize_in_buffer; /*the size of the message remained in buffer; assumed to - be multiple of 8bits except for the last partial block - at the end of the message*/ - DATA_ALIGN16(uint64 x[8][2]); /*the 1024-bit state, ( x[i][0] || x[i][1] ) is the ith row of the - state in the pseudocode*/ - unsigned char buffer[64]; /*the 512-bit message block to be hashed;*/ -} hashState; - -/*The initial hash value H(0)*/ -const unsigned char JH224_H0[128] = { - 0x2d, 0xfe, 0xdd, 0x62, 0xf9, 0x9a, 0x98, 0xac, 0xae, 0x7c, 0xac, 0xd6, 0x19, 0xd6, 0x34, - 0xe7, 0xa4, 0x83, 0x10, 0x5, 0xbc, 0x30, 0x12, 0x16, 0xb8, 0x60, 0x38, 0xc6, 0xc9, 0x66, - 0x14, 0x94, 0x66, 0xd9, 0x89, 0x9f, 0x25, 0x80, 0x70, 0x6f, 0xce, 0x9e, 0xa3, 0x1b, 0x1d, - 0x9b, 0x1a, 0xdc, 0x11, 0xe8, 0x32, 0x5f, 0x7b, 0x36, 0x6e, 0x10, 0xf9, 0x94, 0x85, 0x7f, - 0x2, 0xfa, 0x6, 0xc1, 0x1b, 0x4f, 0x1b, 0x5c, 0xd8, 0xc8, 0x40, 0xb3, 0x97, 0xf6, 0xa1, - 0x7f, 0x6e, 0x73, 0x80, 0x99, 0xdc, 0xdf, 0x93, 0xa5, 0xad, 0xea, 0xa3, 0xd3, 0xa4, 0x31, - 0xe8, 0xde, 0xc9, 0x53, 0x9a, 0x68, 0x22, 0xb4, 0xa9, 0x8a, 0xec, 0x86, 0xa1, 0xe4, 0xd5, - 0x74, 0xac, 0x95, 0x9c, 0xe5, 0x6c, 0xf0, 0x15, 0x96, 0xd, 0xea, 0xb5, 0xab, 0x2b, 0xbf, - 0x96, 0x11, 0xdc, 0xf0, 0xdd, 0x64, 0xea, 0x6e}; -const unsigned char JH256_H0[128] = { - 0xeb, 0x98, 0xa3, 0x41, 0x2c, 0x20, 0xd3, 0xeb, 0x92, 0xcd, 0xbe, 0x7b, 0x9c, 0xb2, 0x45, - 0xc1, 0x1c, 0x93, 0x51, 0x91, 0x60, 0xd4, 0xc7, 0xfa, 0x26, 0x0, 0x82, 0xd6, 0x7e, 0x50, - 0x8a, 0x3, 0xa4, 0x23, 0x9e, 0x26, 0x77, 0x26, 0xb9, 0x45, 0xe0, 0xfb, 0x1a, 0x48, 0xd4, - 0x1a, 0x94, 0x77, 0xcd, 0xb5, 0xab, 0x26, 0x2, 0x6b, 0x17, 0x7a, 0x56, 0xf0, 0x24, 0x42, - 0xf, 0xff, 0x2f, 0xa8, 0x71, 0xa3, 0x96, 0x89, 0x7f, 0x2e, 0x4d, 0x75, 0x1d, 0x14, 0x49, - 0x8, 0xf7, 0x7d, 0xe2, 0x62, 0x27, 0x76, 0x95, 0xf7, 0x76, 0x24, 0x8f, 0x94, 0x87, 0xd5, - 0xb6, 0x57, 0x47, 0x80, 0x29, 0x6c, 0x5c, 0x5e, 0x27, 0x2d, 0xac, 0x8e, 0xd, 0x6c, 0x51, - 0x84, 0x50, 0xc6, 0x57, 0x5, 0x7a, 0xf, 0x7b, 0xe4, 0xd3, 0x67, 0x70, 0x24, 0x12, 0xea, - 0x89, 0xe3, 0xab, 0x13, 0xd3, 0x1c, 0xd7, 0x69}; -const unsigned char JH384_H0[128] = { - 0x48, 0x1e, 0x3b, 0xc6, 0xd8, 0x13, 0x39, 0x8a, 0x6d, 0x3b, 0x5e, 0x89, 0x4a, 0xde, 0x87, - 0x9b, 0x63, 0xfa, 0xea, 0x68, 0xd4, 0x80, 0xad, 0x2e, 0x33, 0x2c, 0xcb, 0x21, 0x48, 0xf, - 0x82, 0x67, 0x98, 0xae, 0xc8, 0x4d, 0x90, 0x82, 0xb9, 0x28, 0xd4, 0x55, 0xea, 0x30, 0x41, - 0x11, 0x42, 0x49, 0x36, 0xf5, 0x55, 0xb2, 0x92, 0x48, 0x47, 0xec, 0xc7, 0x25, 0xa, 0x93, - 0xba, 0xf4, 0x3c, 0xe1, 0x56, 0x9b, 0x7f, 0x8a, 0x27, 0xdb, 0x45, 0x4c, 0x9e, 0xfc, 0xbd, - 0x49, 0x63, 0x97, 0xaf, 0xe, 0x58, 0x9f, 0xc2, 0x7d, 0x26, 0xaa, 0x80, 0xcd, 0x80, 0xc0, - 0x8b, 0x8c, 0x9d, 0xeb, 0x2e, 0xda, 0x8a, 0x79, 0x81, 0xe8, 0xf8, 0xd5, 0x37, 0x3a, 0xf4, - 0x39, 0x67, 0xad, 0xdd, 0xd1, 0x7a, 0x71, 0xa9, 0xb4, 0xd3, 0xbd, 0xa4, 0x75, 0xd3, 0x94, - 0x97, 0x6c, 0x3f, 0xba, 0x98, 0x42, 0x73, 0x7f}; -const unsigned char JH512_H0[128] = { - 0x6f, 0xd1, 0x4b, 0x96, 0x3e, 0x0, 0xaa, 0x17, 0x63, 0x6a, 0x2e, 0x5, 0x7a, 0x15, 0xd5, - 0x43, 0x8a, 0x22, 0x5e, 0x8d, 0xc, 0x97, 0xef, 0xb, 0xe9, 0x34, 0x12, 0x59, 0xf2, 0xb3, - 0xc3, 0x61, 0x89, 0x1d, 0xa0, 0xc1, 0x53, 0x6f, 0x80, 0x1e, 0x2a, 0xa9, 0x5, 0x6b, 0xea, - 0x2b, 0x6d, 0x80, 0x58, 0x8e, 0xcc, 0xdb, 0x20, 0x75, 0xba, 0xa6, 0xa9, 0xf, 0x3a, 0x76, - 0xba, 0xf8, 0x3b, 0xf7, 0x1, 0x69, 0xe6, 0x5, 0x41, 0xe3, 0x4a, 0x69, 0x46, 0xb5, 0x8a, - 0x8e, 0x2e, 0x6f, 0xe6, 0x5a, 0x10, 0x47, 0xa7, 0xd0, 0xc1, 0x84, 0x3c, 0x24, 0x3b, 0x6e, - 0x71, 0xb1, 0x2d, 0x5a, 0xc1, 0x99, 0xcf, 0x57, 0xf6, 0xec, 0x9d, 0xb1, 0xf8, 0x56, 0xa7, - 0x6, 0x88, 0x7c, 0x57, 0x16, 0xb1, 0x56, 0xe3, 0xc2, 0xfc, 0xdf, 0xe6, 0x85, 0x17, 0xfb, - 0x54, 0x5a, 0x46, 0x78, 0xcc, 0x8c, 0xdd, 0x4b}; - -/*42 round constants, each round constant is 32-byte (256-bit)*/ -const unsigned char E8_bitslice_roundconstant[42][32] = { - {0x72, 0xd5, 0xde, 0xa2, 0xdf, 0x15, 0xf8, 0x67, 0x7b, 0x84, 0x15, - 0xa, 0xb7, 0x23, 0x15, 0x57, 0x81, 0xab, 0xd6, 0x90, 0x4d, 0x5a, - 0x87, 0xf6, 0x4e, 0x9f, 0x4f, 0xc5, 0xc3, 0xd1, 0x2b, 0x40}, - {0xea, 0x98, 0x3a, 0xe0, 0x5c, 0x45, 0xfa, 0x9c, 0x3, 0xc5, 0xd2, - 0x99, 0x66, 0xb2, 0x99, 0x9a, 0x66, 0x2, 0x96, 0xb4, 0xf2, 0xbb, - 0x53, 0x8a, 0xb5, 0x56, 0x14, 0x1a, 0x88, 0xdb, 0xa2, 0x31}, - {0x3, 0xa3, 0x5a, 0x5c, 0x9a, 0x19, 0xe, 0xdb, 0x40, 0x3f, 0xb2, - 0xa, 0x87, 0xc1, 0x44, 0x10, 0x1c, 0x5, 0x19, 0x80, 0x84, 0x9e, - 0x95, 0x1d, 0x6f, 0x33, 0xeb, 0xad, 0x5e, 0xe7, 0xcd, 0xdc}, - {0x10, 0xba, 0x13, 0x92, 0x2, 0xbf, 0x6b, 0x41, 0xdc, 0x78, 0x65, - 0x15, 0xf7, 0xbb, 0x27, 0xd0, 0xa, 0x2c, 0x81, 0x39, 0x37, 0xaa, - 0x78, 0x50, 0x3f, 0x1a, 0xbf, 0xd2, 0x41, 0x0, 0x91, 0xd3}, - {0x42, 0x2d, 0x5a, 0xd, 0xf6, 0xcc, 0x7e, 0x90, 0xdd, 0x62, 0x9f, - 0x9c, 0x92, 0xc0, 0x97, 0xce, 0x18, 0x5c, 0xa7, 0xb, 0xc7, 0x2b, - 0x44, 0xac, 0xd1, 0xdf, 0x65, 0xd6, 0x63, 0xc6, 0xfc, 0x23}, - {0x97, 0x6e, 0x6c, 0x3, 0x9e, 0xe0, 0xb8, 0x1a, 0x21, 0x5, 0x45, - 0x7e, 0x44, 0x6c, 0xec, 0xa8, 0xee, 0xf1, 0x3, 0xbb, 0x5d, 0x8e, - 0x61, 0xfa, 0xfd, 0x96, 0x97, 0xb2, 0x94, 0x83, 0x81, 0x97}, - {0x4a, 0x8e, 0x85, 0x37, 0xdb, 0x3, 0x30, 0x2f, 0x2a, 0x67, 0x8d, - 0x2d, 0xfb, 0x9f, 0x6a, 0x95, 0x8a, 0xfe, 0x73, 0x81, 0xf8, 0xb8, - 0x69, 0x6c, 0x8a, 0xc7, 0x72, 0x46, 0xc0, 0x7f, 0x42, 0x14}, - {0xc5, 0xf4, 0x15, 0x8f, 0xbd, 0xc7, 0x5e, 0xc4, 0x75, 0x44, 0x6f, - 0xa7, 0x8f, 0x11, 0xbb, 0x80, 0x52, 0xde, 0x75, 0xb7, 0xae, 0xe4, - 0x88, 0xbc, 0x82, 0xb8, 0x0, 0x1e, 0x98, 0xa6, 0xa3, 0xf4}, - {0x8e, 0xf4, 0x8f, 0x33, 0xa9, 0xa3, 0x63, 0x15, 0xaa, 0x5f, 0x56, - 0x24, 0xd5, 0xb7, 0xf9, 0x89, 0xb6, 0xf1, 0xed, 0x20, 0x7c, 0x5a, - 0xe0, 0xfd, 0x36, 0xca, 0xe9, 0x5a, 0x6, 0x42, 0x2c, 0x36}, - {0xce, 0x29, 0x35, 0x43, 0x4e, 0xfe, 0x98, 0x3d, 0x53, 0x3a, 0xf9, - 0x74, 0x73, 0x9a, 0x4b, 0xa7, 0xd0, 0xf5, 0x1f, 0x59, 0x6f, 0x4e, - 0x81, 0x86, 0xe, 0x9d, 0xad, 0x81, 0xaf, 0xd8, 0x5a, 0x9f}, - {0xa7, 0x5, 0x6, 0x67, 0xee, 0x34, 0x62, 0x6a, 0x8b, 0xb, 0x28, - 0xbe, 0x6e, 0xb9, 0x17, 0x27, 0x47, 0x74, 0x7, 0x26, 0xc6, 0x80, - 0x10, 0x3f, 0xe0, 0xa0, 0x7e, 0x6f, 0xc6, 0x7e, 0x48, 0x7b}, - {0xd, 0x55, 0xa, 0xa5, 0x4a, 0xf8, 0xa4, 0xc0, 0x91, 0xe3, 0xe7, - 0x9f, 0x97, 0x8e, 0xf1, 0x9e, 0x86, 0x76, 0x72, 0x81, 0x50, 0x60, - 0x8d, 0xd4, 0x7e, 0x9e, 0x5a, 0x41, 0xf3, 0xe5, 0xb0, 0x62}, - {0xfc, 0x9f, 0x1f, 0xec, 0x40, 0x54, 0x20, 0x7a, 0xe3, 0xe4, 0x1a, - 0x0, 0xce, 0xf4, 0xc9, 0x84, 0x4f, 0xd7, 0x94, 0xf5, 0x9d, 0xfa, - 0x95, 0xd8, 0x55, 0x2e, 0x7e, 0x11, 0x24, 0xc3, 0x54, 0xa5}, - {0x5b, 0xdf, 0x72, 0x28, 0xbd, 0xfe, 0x6e, 0x28, 0x78, 0xf5, 0x7f, - 0xe2, 0xf, 0xa5, 0xc4, 0xb2, 0x5, 0x89, 0x7c, 0xef, 0xee, 0x49, - 0xd3, 0x2e, 0x44, 0x7e, 0x93, 0x85, 0xeb, 0x28, 0x59, 0x7f}, - {0x70, 0x5f, 0x69, 0x37, 0xb3, 0x24, 0x31, 0x4a, 0x5e, 0x86, 0x28, - 0xf1, 0x1d, 0xd6, 0xe4, 0x65, 0xc7, 0x1b, 0x77, 0x4, 0x51, 0xb9, - 0x20, 0xe7, 0x74, 0xfe, 0x43, 0xe8, 0x23, 0xd4, 0x87, 0x8a}, - {0x7d, 0x29, 0xe8, 0xa3, 0x92, 0x76, 0x94, 0xf2, 0xdd, 0xcb, 0x7a, - 0x9, 0x9b, 0x30, 0xd9, 0xc1, 0x1d, 0x1b, 0x30, 0xfb, 0x5b, 0xdc, - 0x1b, 0xe0, 0xda, 0x24, 0x49, 0x4f, 0xf2, 0x9c, 0x82, 0xbf}, - {0xa4, 0xe7, 0xba, 0x31, 0xb4, 0x70, 0xbf, 0xff, 0xd, 0x32, 0x44, - 0x5, 0xde, 0xf8, 0xbc, 0x48, 0x3b, 0xae, 0xfc, 0x32, 0x53, 0xbb, - 0xd3, 0x39, 0x45, 0x9f, 0xc3, 0xc1, 0xe0, 0x29, 0x8b, 0xa0}, - {0xe5, 0xc9, 0x5, 0xfd, 0xf7, 0xae, 0x9, 0xf, 0x94, 0x70, 0x34, - 0x12, 0x42, 0x90, 0xf1, 0x34, 0xa2, 0x71, 0xb7, 0x1, 0xe3, 0x44, - 0xed, 0x95, 0xe9, 0x3b, 0x8e, 0x36, 0x4f, 0x2f, 0x98, 0x4a}, - {0x88, 0x40, 0x1d, 0x63, 0xa0, 0x6c, 0xf6, 0x15, 0x47, 0xc1, 0x44, - 0x4b, 0x87, 0x52, 0xaf, 0xff, 0x7e, 0xbb, 0x4a, 0xf1, 0xe2, 0xa, - 0xc6, 0x30, 0x46, 0x70, 0xb6, 0xc5, 0xcc, 0x6e, 0x8c, 0xe6}, - {0xa4, 0xd5, 0xa4, 0x56, 0xbd, 0x4f, 0xca, 0x0, 0xda, 0x9d, 0x84, - 0x4b, 0xc8, 0x3e, 0x18, 0xae, 0x73, 0x57, 0xce, 0x45, 0x30, 0x64, - 0xd1, 0xad, 0xe8, 0xa6, 0xce, 0x68, 0x14, 0x5c, 0x25, 0x67}, - {0xa3, 0xda, 0x8c, 0xf2, 0xcb, 0xe, 0xe1, 0x16, 0x33, 0xe9, 0x6, - 0x58, 0x9a, 0x94, 0x99, 0x9a, 0x1f, 0x60, 0xb2, 0x20, 0xc2, 0x6f, - 0x84, 0x7b, 0xd1, 0xce, 0xac, 0x7f, 0xa0, 0xd1, 0x85, 0x18}, - {0x32, 0x59, 0x5b, 0xa1, 0x8d, 0xdd, 0x19, 0xd3, 0x50, 0x9a, 0x1c, - 0xc0, 0xaa, 0xa5, 0xb4, 0x46, 0x9f, 0x3d, 0x63, 0x67, 0xe4, 0x4, - 0x6b, 0xba, 0xf6, 0xca, 0x19, 0xab, 0xb, 0x56, 0xee, 0x7e}, - {0x1f, 0xb1, 0x79, 0xea, 0xa9, 0x28, 0x21, 0x74, 0xe9, 0xbd, 0xf7, - 0x35, 0x3b, 0x36, 0x51, 0xee, 0x1d, 0x57, 0xac, 0x5a, 0x75, 0x50, - 0xd3, 0x76, 0x3a, 0x46, 0xc2, 0xfe, 0xa3, 0x7d, 0x70, 0x1}, - {0xf7, 0x35, 0xc1, 0xaf, 0x98, 0xa4, 0xd8, 0x42, 0x78, 0xed, 0xec, - 0x20, 0x9e, 0x6b, 0x67, 0x79, 0x41, 0x83, 0x63, 0x15, 0xea, 0x3a, - 0xdb, 0xa8, 0xfa, 0xc3, 0x3b, 0x4d, 0x32, 0x83, 0x2c, 0x83}, - {0xa7, 0x40, 0x3b, 0x1f, 0x1c, 0x27, 0x47, 0xf3, 0x59, 0x40, 0xf0, - 0x34, 0xb7, 0x2d, 0x76, 0x9a, 0xe7, 0x3e, 0x4e, 0x6c, 0xd2, 0x21, - 0x4f, 0xfd, 0xb8, 0xfd, 0x8d, 0x39, 0xdc, 0x57, 0x59, 0xef}, - {0x8d, 0x9b, 0xc, 0x49, 0x2b, 0x49, 0xeb, 0xda, 0x5b, 0xa2, 0xd7, - 0x49, 0x68, 0xf3, 0x70, 0xd, 0x7d, 0x3b, 0xae, 0xd0, 0x7a, 0x8d, - 0x55, 0x84, 0xf5, 0xa5, 0xe9, 0xf0, 0xe4, 0xf8, 0x8e, 0x65}, - {0xa0, 0xb8, 0xa2, 0xf4, 0x36, 0x10, 0x3b, 0x53, 0xc, 0xa8, 0x7, - 0x9e, 0x75, 0x3e, 0xec, 0x5a, 0x91, 0x68, 0x94, 0x92, 0x56, 0xe8, - 0x88, 0x4f, 0x5b, 0xb0, 0x5c, 0x55, 0xf8, 0xba, 0xbc, 0x4c}, - {0xe3, 0xbb, 0x3b, 0x99, 0xf3, 0x87, 0x94, 0x7b, 0x75, 0xda, 0xf4, - 0xd6, 0x72, 0x6b, 0x1c, 0x5d, 0x64, 0xae, 0xac, 0x28, 0xdc, 0x34, - 0xb3, 0x6d, 0x6c, 0x34, 0xa5, 0x50, 0xb8, 0x28, 0xdb, 0x71}, - {0xf8, 0x61, 0xe2, 0xf2, 0x10, 0x8d, 0x51, 0x2a, 0xe3, 0xdb, 0x64, - 0x33, 0x59, 0xdd, 0x75, 0xfc, 0x1c, 0xac, 0xbc, 0xf1, 0x43, 0xce, - 0x3f, 0xa2, 0x67, 0xbb, 0xd1, 0x3c, 0x2, 0xe8, 0x43, 0xb0}, - {0x33, 0xa, 0x5b, 0xca, 0x88, 0x29, 0xa1, 0x75, 0x7f, 0x34, 0x19, - 0x4d, 0xb4, 0x16, 0x53, 0x5c, 0x92, 0x3b, 0x94, 0xc3, 0xe, 0x79, - 0x4d, 0x1e, 0x79, 0x74, 0x75, 0xd7, 0xb6, 0xee, 0xaf, 0x3f}, - {0xea, 0xa8, 0xd4, 0xf7, 0xbe, 0x1a, 0x39, 0x21, 0x5c, 0xf4, 0x7e, - 0x9, 0x4c, 0x23, 0x27, 0x51, 0x26, 0xa3, 0x24, 0x53, 0xba, 0x32, - 0x3c, 0xd2, 0x44, 0xa3, 0x17, 0x4a, 0x6d, 0xa6, 0xd5, 0xad}, - {0xb5, 0x1d, 0x3e, 0xa6, 0xaf, 0xf2, 0xc9, 0x8, 0x83, 0x59, 0x3d, - 0x98, 0x91, 0x6b, 0x3c, 0x56, 0x4c, 0xf8, 0x7c, 0xa1, 0x72, 0x86, - 0x60, 0x4d, 0x46, 0xe2, 0x3e, 0xcc, 0x8, 0x6e, 0xc7, 0xf6}, - {0x2f, 0x98, 0x33, 0xb3, 0xb1, 0xbc, 0x76, 0x5e, 0x2b, 0xd6, 0x66, - 0xa5, 0xef, 0xc4, 0xe6, 0x2a, 0x6, 0xf4, 0xb6, 0xe8, 0xbe, 0xc1, - 0xd4, 0x36, 0x74, 0xee, 0x82, 0x15, 0xbc, 0xef, 0x21, 0x63}, - {0xfd, 0xc1, 0x4e, 0xd, 0xf4, 0x53, 0xc9, 0x69, 0xa7, 0x7d, 0x5a, - 0xc4, 0x6, 0x58, 0x58, 0x26, 0x7e, 0xc1, 0x14, 0x16, 0x6, 0xe0, - 0xfa, 0x16, 0x7e, 0x90, 0xaf, 0x3d, 0x28, 0x63, 0x9d, 0x3f}, - {0xd2, 0xc9, 0xf2, 0xe3, 0x0, 0x9b, 0xd2, 0xc, 0x5f, 0xaa, 0xce, - 0x30, 0xb7, 0xd4, 0xc, 0x30, 0x74, 0x2a, 0x51, 0x16, 0xf2, 0xe0, - 0x32, 0x98, 0xd, 0xeb, 0x30, 0xd8, 0xe3, 0xce, 0xf8, 0x9a}, - {0x4b, 0xc5, 0x9e, 0x7b, 0xb5, 0xf1, 0x79, 0x92, 0xff, 0x51, 0xe6, - 0x6e, 0x4, 0x86, 0x68, 0xd3, 0x9b, 0x23, 0x4d, 0x57, 0xe6, 0x96, - 0x67, 0x31, 0xcc, 0xe6, 0xa6, 0xf3, 0x17, 0xa, 0x75, 0x5}, - {0xb1, 0x76, 0x81, 0xd9, 0x13, 0x32, 0x6c, 0xce, 0x3c, 0x17, 0x52, - 0x84, 0xf8, 0x5, 0xa2, 0x62, 0xf4, 0x2b, 0xcb, 0xb3, 0x78, 0x47, - 0x15, 0x47, 0xff, 0x46, 0x54, 0x82, 0x23, 0x93, 0x6a, 0x48}, - {0x38, 0xdf, 0x58, 0x7, 0x4e, 0x5e, 0x65, 0x65, 0xf2, 0xfc, 0x7c, - 0x89, 0xfc, 0x86, 0x50, 0x8e, 0x31, 0x70, 0x2e, 0x44, 0xd0, 0xb, - 0xca, 0x86, 0xf0, 0x40, 0x9, 0xa2, 0x30, 0x78, 0x47, 0x4e}, - {0x65, 0xa0, 0xee, 0x39, 0xd1, 0xf7, 0x38, 0x83, 0xf7, 0x5e, 0xe9, - 0x37, 0xe4, 0x2c, 0x3a, 0xbd, 0x21, 0x97, 0xb2, 0x26, 0x1, 0x13, - 0xf8, 0x6f, 0xa3, 0x44, 0xed, 0xd1, 0xef, 0x9f, 0xde, 0xe7}, - {0x8b, 0xa0, 0xdf, 0x15, 0x76, 0x25, 0x92, 0xd9, 0x3c, 0x85, 0xf7, - 0xf6, 0x12, 0xdc, 0x42, 0xbe, 0xd8, 0xa7, 0xec, 0x7c, 0xab, 0x27, - 0xb0, 0x7e, 0x53, 0x8d, 0x7d, 0xda, 0xaa, 0x3e, 0xa8, 0xde}, - {0xaa, 0x25, 0xce, 0x93, 0xbd, 0x2, 0x69, 0xd8, 0x5a, 0xf6, 0x43, - 0xfd, 0x1a, 0x73, 0x8, 0xf9, 0xc0, 0x5f, 0xef, 0xda, 0x17, 0x4a, - 0x19, 0xa5, 0x97, 0x4d, 0x66, 0x33, 0x4c, 0xfd, 0x21, 0x6a}, - {0x35, 0xb4, 0x98, 0x31, 0xdb, 0x41, 0x15, 0x70, 0xea, 0x1e, 0xf, - 0xbb, 0xed, 0xcd, 0x54, 0x9b, 0x9a, 0xd0, 0x63, 0xa1, 0x51, 0x97, - 0x40, 0x72, 0xf6, 0x75, 0x9d, 0xbf, 0x91, 0x47, 0x6f, 0xe2}}; - -static void E8(hashState* state); /*The bijective function E8, in bitslice form*/ -static void F8(hashState* state); /*The compression function F8 */ - -/*The API functions*/ -static HashReturn Init(hashState* state, int hashbitlen); -static HashReturn Update(hashState* state, const BitSequence* data, DataLength databitlen); -static HashReturn Final(hashState* state, BitSequence* hashval); -HashReturn jh_hash( - int hashbitlen, const BitSequence* data, DataLength databitlen, BitSequence* hashval); - -/*swapping bit 2i with bit 2i+1 of 64-bit x*/ -#define SWAP1(x) (x) = ((((x)&0x5555555555555555ULL) << 1) | (((x)&0xaaaaaaaaaaaaaaaaULL) >> 1)); -/*swapping bits 4i||4i+1 with bits 4i+2||4i+3 of 64-bit x*/ -#define SWAP2(x) (x) = ((((x)&0x3333333333333333ULL) << 2) | (((x)&0xccccccccccccccccULL) >> 2)); -/*swapping bits 8i||8i+1||8i+2||8i+3 with bits 8i+4||8i+5||8i+6||8i+7 of 64-bit x*/ -#define SWAP4(x) (x) = ((((x)&0x0f0f0f0f0f0f0f0fULL) << 4) | (((x)&0xf0f0f0f0f0f0f0f0ULL) >> 4)); -/*swapping bits 16i||16i+1||......||16i+7 with bits 16i+8||16i+9||......||16i+15 of 64-bit x*/ -#define SWAP8(x) (x) = ((((x)&0x00ff00ff00ff00ffULL) << 8) | (((x)&0xff00ff00ff00ff00ULL) >> 8)); -/*swapping bits 32i||32i+1||......||32i+15 with bits 32i+16||32i+17||......||32i+31 of 64-bit x*/ -#define SWAP16(x) (x) = ((((x)&0x0000ffff0000ffffULL) << 16) | (((x)&0xffff0000ffff0000ULL) >> 16)); -/*swapping bits 64i||64i+1||......||64i+31 with bits 64i+32||64i+33||......||64i+63 of 64-bit x*/ -#define SWAP32(x) (x) = (((x) << 32) | ((x) >> 32)); - -/*The MDS transform*/ -#define L(m0, m1, m2, m3, m4, m5, m6, m7) \ - (m4) ^= (m1); \ - (m5) ^= (m2); \ - (m6) ^= (m0) ^ (m3); \ - (m7) ^= (m0); \ - (m0) ^= (m5); \ - (m1) ^= (m6); \ - (m2) ^= (m4) ^ (m7); \ - (m3) ^= (m4); - -/*Two Sboxes are computed in parallel, each Sbox implements S0 and S1, selected by a constant bit*/ -/*The reason to compute two Sboxes in parallel is to try to fully utilize the parallel processing - * power*/ -#define SS(m0, m1, m2, m3, m4, m5, m6, m7, cc0, cc1) \ - m3 = ~(m3); \ - m7 = ~(m7); \ - m0 ^= ((~(m2)) & (cc0)); \ - m4 ^= ((~(m6)) & (cc1)); \ - temp0 = (cc0) ^ ((m0) & (m1)); \ - temp1 = (cc1) ^ ((m4) & (m5)); \ - m0 ^= ((m2) & (m3)); \ - m4 ^= ((m6) & (m7)); \ - m3 ^= ((~(m1)) & (m2)); \ - m7 ^= ((~(m5)) & (m6)); \ - m1 ^= ((m0) & (m2)); \ - m5 ^= ((m4) & (m6)); \ - m2 ^= ((m0) & (~(m3))); \ - m6 ^= ((m4) & (~(m7))); \ - m0 ^= ((m1) | (m3)); \ - m4 ^= ((m5) | (m7)); \ - m3 ^= ((m1) & (m2)); \ - m7 ^= ((m5) & (m6)); \ - m1 ^= (temp0 & (m0)); \ - m5 ^= (temp1 & (m4)); \ - m2 ^= temp0; \ - m6 ^= temp1; - -/*The bijective function E8, in bitslice form*/ -static void E8(hashState* state) { - uint64 i, roundnumber, temp0, temp1; - - for (roundnumber = 0; roundnumber < 42; roundnumber = roundnumber + 7) { - /*round 7*roundnumber+0: Sbox, MDS and Swapping layers*/ - for (i = 0; i < 2; i++) { - SS(state->x[0][i], - state->x[2][i], - state->x[4][i], - state->x[6][i], - state->x[1][i], - state->x[3][i], - state->x[5][i], - state->x[7][i], - ((uint64*)E8_bitslice_roundconstant[roundnumber + 0])[i], - ((uint64*)E8_bitslice_roundconstant[roundnumber + 0])[i + 2]); - L(state->x[0][i], - state->x[2][i], - state->x[4][i], - state->x[6][i], - state->x[1][i], - state->x[3][i], - state->x[5][i], - state->x[7][i]); - SWAP1(state->x[1][i]); - SWAP1(state->x[3][i]); - SWAP1(state->x[5][i]); - SWAP1(state->x[7][i]); - } - - /*round 7*roundnumber+1: Sbox, MDS and Swapping layers*/ - for (i = 0; i < 2; i++) { - SS(state->x[0][i], - state->x[2][i], - state->x[4][i], - state->x[6][i], - state->x[1][i], - state->x[3][i], - state->x[5][i], - state->x[7][i], - ((uint64*)E8_bitslice_roundconstant[roundnumber + 1])[i], - ((uint64*)E8_bitslice_roundconstant[roundnumber + 1])[i + 2]); - L(state->x[0][i], - state->x[2][i], - state->x[4][i], - state->x[6][i], - state->x[1][i], - state->x[3][i], - state->x[5][i], - state->x[7][i]); - SWAP2(state->x[1][i]); - SWAP2(state->x[3][i]); - SWAP2(state->x[5][i]); - SWAP2(state->x[7][i]); - } - - /*round 7*roundnumber+2: Sbox, MDS and Swapping layers*/ - for (i = 0; i < 2; i++) { - SS(state->x[0][i], - state->x[2][i], - state->x[4][i], - state->x[6][i], - state->x[1][i], - state->x[3][i], - state->x[5][i], - state->x[7][i], - ((uint64*)E8_bitslice_roundconstant[roundnumber + 2])[i], - ((uint64*)E8_bitslice_roundconstant[roundnumber + 2])[i + 2]); - L(state->x[0][i], - state->x[2][i], - state->x[4][i], - state->x[6][i], - state->x[1][i], - state->x[3][i], - state->x[5][i], - state->x[7][i]); - SWAP4(state->x[1][i]); - SWAP4(state->x[3][i]); - SWAP4(state->x[5][i]); - SWAP4(state->x[7][i]); - } - - /*round 7*roundnumber+3: Sbox, MDS and Swapping layers*/ - for (i = 0; i < 2; i++) { - SS(state->x[0][i], - state->x[2][i], - state->x[4][i], - state->x[6][i], - state->x[1][i], - state->x[3][i], - state->x[5][i], - state->x[7][i], - ((uint64*)E8_bitslice_roundconstant[roundnumber + 3])[i], - ((uint64*)E8_bitslice_roundconstant[roundnumber + 3])[i + 2]); - L(state->x[0][i], - state->x[2][i], - state->x[4][i], - state->x[6][i], - state->x[1][i], - state->x[3][i], - state->x[5][i], - state->x[7][i]); - SWAP8(state->x[1][i]); - SWAP8(state->x[3][i]); - SWAP8(state->x[5][i]); - SWAP8(state->x[7][i]); - } - - /*round 7*roundnumber+4: Sbox, MDS and Swapping layers*/ - for (i = 0; i < 2; i++) { - SS(state->x[0][i], - state->x[2][i], - state->x[4][i], - state->x[6][i], - state->x[1][i], - state->x[3][i], - state->x[5][i], - state->x[7][i], - ((uint64*)E8_bitslice_roundconstant[roundnumber + 4])[i], - ((uint64*)E8_bitslice_roundconstant[roundnumber + 4])[i + 2]); - L(state->x[0][i], - state->x[2][i], - state->x[4][i], - state->x[6][i], - state->x[1][i], - state->x[3][i], - state->x[5][i], - state->x[7][i]); - SWAP16(state->x[1][i]); - SWAP16(state->x[3][i]); - SWAP16(state->x[5][i]); - SWAP16(state->x[7][i]); - } - - /*round 7*roundnumber+5: Sbox, MDS and Swapping layers*/ - for (i = 0; i < 2; i++) { - SS(state->x[0][i], - state->x[2][i], - state->x[4][i], - state->x[6][i], - state->x[1][i], - state->x[3][i], - state->x[5][i], - state->x[7][i], - ((uint64*)E8_bitslice_roundconstant[roundnumber + 5])[i], - ((uint64*)E8_bitslice_roundconstant[roundnumber + 5])[i + 2]); - L(state->x[0][i], - state->x[2][i], - state->x[4][i], - state->x[6][i], - state->x[1][i], - state->x[3][i], - state->x[5][i], - state->x[7][i]); - SWAP32(state->x[1][i]); - SWAP32(state->x[3][i]); - SWAP32(state->x[5][i]); - SWAP32(state->x[7][i]); - } - - /*round 7*roundnumber+6: Sbox and MDS layers*/ - for (i = 0; i < 2; i++) { - SS(state->x[0][i], - state->x[2][i], - state->x[4][i], - state->x[6][i], - state->x[1][i], - state->x[3][i], - state->x[5][i], - state->x[7][i], - ((uint64*)E8_bitslice_roundconstant[roundnumber + 6])[i], - ((uint64*)E8_bitslice_roundconstant[roundnumber + 6])[i + 2]); - L(state->x[0][i], - state->x[2][i], - state->x[4][i], - state->x[6][i], - state->x[1][i], - state->x[3][i], - state->x[5][i], - state->x[7][i]); - } - /*round 7*roundnumber+6: swapping layer*/ - for (i = 1; i < 8; i = i + 2) { - temp0 = state->x[i][0]; - state->x[i][0] = state->x[i][1]; - state->x[i][1] = temp0; - } - } -} - -/*The compression function F8 */ -static void F8(hashState* state) { - uint64 i; - - /*xor the 512-bit message with the fist half of the 1024-bit hash state*/ - for (i = 0; i < 8; i++) - ((uint64*)state->x)[i] ^= ((uint64*)state->buffer)[i]; - - /*the bijective function E8 */ - E8(state); - - /*xor the 512-bit message with the second half of the 1024-bit hash state*/ - for (i = 0; i < 8; i++) - ((uint64*)state->x)[8 + i] ^= ((uint64*)state->buffer)[i]; -} - -/*before hashing a message, initialize the hash state as H0 */ -static HashReturn Init(hashState* state, int hashbitlen) { - state->databitlen = 0; - state->datasize_in_buffer = 0; - - /*initialize the initial hash value of JH*/ - state->hashbitlen = hashbitlen; - - /*load the intital hash value into state*/ - switch (hashbitlen) { - case 224: memcpy(state->x, JH224_H0, 128); break; - case 256: memcpy(state->x, JH256_H0, 128); break; - case 384: memcpy(state->x, JH384_H0, 128); break; - case 512: memcpy(state->x, JH512_H0, 128); break; - } - - return (SUCCESS); -} - -/*hash each 512-bit message block, except the last partial block*/ -static HashReturn Update(hashState* state, const BitSequence* data, DataLength databitlen) { - DataLength index; /*the starting address of the data to be compressed*/ - - state->databitlen += databitlen; - index = 0; - - /*if there is remaining data in the buffer, fill it to a full message block first*/ - /*we assume that the size of the data in the buffer is the multiple of 8 bits if it is not at - * the end of a message*/ - - /*There is data in the buffer, but the incoming data is insufficient for a full block*/ - if ((state->datasize_in_buffer > 0) && ((state->datasize_in_buffer + databitlen) < 512)) { - if ((databitlen & 7) == 0) { - memcpy(state->buffer + (state->datasize_in_buffer >> 3), - data, - 64 - (state->datasize_in_buffer >> 3)); - } else - memcpy(state->buffer + (state->datasize_in_buffer >> 3), - data, - 64 - (state->datasize_in_buffer >> 3) + 1); - state->datasize_in_buffer += databitlen; - databitlen = 0; - } - - /*There is data in the buffer, and the incoming data is sufficient for a full block*/ - if ((state->datasize_in_buffer > 0) && ((state->datasize_in_buffer + databitlen) >= 512)) { - memcpy(state->buffer + (state->datasize_in_buffer >> 3), - data, - 64 - (state->datasize_in_buffer >> 3)); - index = 64 - (state->datasize_in_buffer >> 3); - databitlen = databitlen - (512 - state->datasize_in_buffer); - F8(state); - state->datasize_in_buffer = 0; - } - - /*hash the remaining full message blocks*/ - for (; databitlen >= 512; index = index + 64, databitlen = databitlen - 512) { - memcpy(state->buffer, data + index, 64); - F8(state); - } - - /*store the partial block into buffer, assume that -- if part of the last byte is not part of - * the message, then that part consists of 0 bits*/ - if (databitlen > 0) { - if ((databitlen & 7) == 0) - memcpy(state->buffer, data + index, (databitlen & 0x1ff) >> 3); - else - memcpy(state->buffer, data + index, ((databitlen & 0x1ff) >> 3) + 1); - state->datasize_in_buffer = databitlen; - } - - return (SUCCESS); -} - -/*pad the message, process the padded block(s), truncate the hash value H to obtain the message - * digest*/ -static HashReturn Final(hashState* state, BitSequence* hashval) { - unsigned int i; - - if ((state->databitlen & 0x1ff) == 0) { - /*pad the message when databitlen is multiple of 512 bits, then process the padded block*/ - memset(state->buffer, 0, 64); - state->buffer[0] = 0x80; - state->buffer[63] = state->databitlen & 0xff; - state->buffer[62] = (state->databitlen >> 8) & 0xff; - state->buffer[61] = (state->databitlen >> 16) & 0xff; - state->buffer[60] = (state->databitlen >> 24) & 0xff; - state->buffer[59] = (state->databitlen >> 32) & 0xff; - state->buffer[58] = (state->databitlen >> 40) & 0xff; - state->buffer[57] = (state->databitlen >> 48) & 0xff; - state->buffer[56] = (state->databitlen >> 56) & 0xff; - F8(state); - } else { - /*set the rest of the bytes in the buffer to 0*/ - if ((state->datasize_in_buffer & 7) == 0) - for (i = (state->databitlen & 0x1ff) >> 3; i < 64; i++) - state->buffer[i] = 0; - else - for (i = ((state->databitlen & 0x1ff) >> 3) + 1; i < 64; i++) - state->buffer[i] = 0; - - /*pad and process the partial block when databitlen is not multiple of 512 bits, then hash - * the padded blocks*/ - state->buffer[((state->databitlen & 0x1ff) >> 3)] |= 1 << (7 - (state->databitlen & 7)); - - F8(state); - memset(state->buffer, 0, 64); - state->buffer[63] = state->databitlen & 0xff; - state->buffer[62] = (state->databitlen >> 8) & 0xff; - state->buffer[61] = (state->databitlen >> 16) & 0xff; - state->buffer[60] = (state->databitlen >> 24) & 0xff; - state->buffer[59] = (state->databitlen >> 32) & 0xff; - state->buffer[58] = (state->databitlen >> 40) & 0xff; - state->buffer[57] = (state->databitlen >> 48) & 0xff; - state->buffer[56] = (state->databitlen >> 56) & 0xff; - F8(state); - } - - /*truncating the final hash value to generate the message digest*/ - switch (state->hashbitlen) { - case 224: memcpy(hashval, (unsigned char*)state->x + 64 + 36, 28); break; - case 256: memcpy(hashval, (unsigned char*)state->x + 64 + 32, 32); break; - case 384: memcpy(hashval, (unsigned char*)state->x + 64 + 16, 48); break; - case 512: memcpy(hashval, (unsigned char*)state->x + 64, 64); break; - } - - return (SUCCESS); -} - -/* hash a message, - three inputs: message digest size in bits (hashbitlen); message (data); message length in bits - (databitlen) one output: message digest (hashval) -*/ -HashReturn jh_hash( - int hashbitlen, const BitSequence* data, DataLength databitlen, BitSequence* hashval) { - hashState state; - - if (hashbitlen == 224 || hashbitlen == 256 || hashbitlen == 384 || hashbitlen == 512) { - Init(&state, hashbitlen); - Update(&state, data, databitlen); - Final(&state, hashval); - return SUCCESS; - } else - return (BAD_HASHLEN); -} diff --git a/src/crypto/jh.h b/src/crypto/jh.h deleted file mode 100644 index c88980d..0000000 --- a/src/crypto/jh.h +++ /dev/null @@ -1,23 +0,0 @@ -/*This program gives the 64-bit optimized bitslice implementation of JH using ANSI C - - -------------------------------- - Performance - - Microprocessor: Intel CORE 2 processor (Core 2 Duo Mobile T6600 2.2GHz) - Operating System: 64-bit Ubuntu 10.04 (Linux kernel 2.6.32-22-generic) - Speed for long message: - 1) 45.8 cycles/byte compiler: Intel C++ Compiler 11.1 compilation option: icc -O2 - 2) 56.8 cycles/byte compiler: gcc 4.4.3 compilation option: gcc -O3 - - -------------------------------- - Last Modified: January 16, 2011 -*/ -#pragma once -#include - -typedef unsigned char BitSequence; -typedef size_t DataLength; -typedef enum { SUCCESS = 0, FAIL = 1, BAD_HASHLEN = 2 } HashReturn; - -HashReturn jh_hash( - int hashbitlen, const BitSequence* data, DataLength databitlen, BitSequence* hashval); diff --git a/src/crypto/oaes_lib_expand.c b/src/crypto/oaes_lib_expand.c deleted file mode 100644 index e10d0c0..0000000 --- a/src/crypto/oaes_lib_expand.c +++ /dev/null @@ -1,376 +0,0 @@ -/* - * --------------------------------------------------------------------------- - * OpenAES License - * --------------------------------------------------------------------------- - * Copyright (c) 2012, Nabil S. Al Ramli, www.nalramli.com - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * - Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * - Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE - * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - * --------------------------------------------------------------------------- - */ -#include "oaes_lib_expand.h" - -#include -#include -#include - -#define OAES_RKEY_LEN 4 -#define OAES_COL_LEN 4 -#define OAES_ROUND_BASE 7 - -static uint8_t oaes_gf_8[] = {0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1b, 0x36}; - -static uint8_t oaes_sub_byte_value[16][16] = { - // 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, a, b, c, - // d, e, f, - /*0*/ {0x63, - 0x7c, - 0x77, - 0x7b, - 0xf2, - 0x6b, - 0x6f, - 0xc5, - 0x30, - 0x01, - 0x67, - 0x2b, - 0xfe, - 0xd7, - 0xab, - 0x76}, - /*1*/ - {0xca, - 0x82, - 0xc9, - 0x7d, - 0xfa, - 0x59, - 0x47, - 0xf0, - 0xad, - 0xd4, - 0xa2, - 0xaf, - 0x9c, - 0xa4, - 0x72, - 0xc0}, - /*2*/ - {0xb7, - 0xfd, - 0x93, - 0x26, - 0x36, - 0x3f, - 0xf7, - 0xcc, - 0x34, - 0xa5, - 0xe5, - 0xf1, - 0x71, - 0xd8, - 0x31, - 0x15}, - /*3*/ - {0x04, - 0xc7, - 0x23, - 0xc3, - 0x18, - 0x96, - 0x05, - 0x9a, - 0x07, - 0x12, - 0x80, - 0xe2, - 0xeb, - 0x27, - 0xb2, - 0x75}, - /*4*/ - {0x09, - 0x83, - 0x2c, - 0x1a, - 0x1b, - 0x6e, - 0x5a, - 0xa0, - 0x52, - 0x3b, - 0xd6, - 0xb3, - 0x29, - 0xe3, - 0x2f, - 0x84}, - /*5*/ - {0x53, - 0xd1, - 0x00, - 0xed, - 0x20, - 0xfc, - 0xb1, - 0x5b, - 0x6a, - 0xcb, - 0xbe, - 0x39, - 0x4a, - 0x4c, - 0x58, - 0xcf}, - /*6*/ - {0xd0, - 0xef, - 0xaa, - 0xfb, - 0x43, - 0x4d, - 0x33, - 0x85, - 0x45, - 0xf9, - 0x02, - 0x7f, - 0x50, - 0x3c, - 0x9f, - 0xa8}, - /*7*/ - {0x51, - 0xa3, - 0x40, - 0x8f, - 0x92, - 0x9d, - 0x38, - 0xf5, - 0xbc, - 0xb6, - 0xda, - 0x21, - 0x10, - 0xff, - 0xf3, - 0xd2}, - /*8*/ - {0xcd, - 0x0c, - 0x13, - 0xec, - 0x5f, - 0x97, - 0x44, - 0x17, - 0xc4, - 0xa7, - 0x7e, - 0x3d, - 0x64, - 0x5d, - 0x19, - 0x73}, - /*9*/ - {0x60, - 0x81, - 0x4f, - 0xdc, - 0x22, - 0x2a, - 0x90, - 0x88, - 0x46, - 0xee, - 0xb8, - 0x14, - 0xde, - 0x5e, - 0x0b, - 0xdb}, - /*a*/ - {0xe0, - 0x32, - 0x3a, - 0x0a, - 0x49, - 0x06, - 0x24, - 0x5c, - 0xc2, - 0xd3, - 0xac, - 0x62, - 0x91, - 0x95, - 0xe4, - 0x79}, - /*b*/ - {0xe7, - 0xc8, - 0x37, - 0x6d, - 0x8d, - 0xd5, - 0x4e, - 0xa9, - 0x6c, - 0x56, - 0xf4, - 0xea, - 0x65, - 0x7a, - 0xae, - 0x08}, - /*c*/ - {0xba, - 0x78, - 0x25, - 0x2e, - 0x1c, - 0xa6, - 0xb4, - 0xc6, - 0xe8, - 0xdd, - 0x74, - 0x1f, - 0x4b, - 0xbd, - 0x8b, - 0x8a}, - /*d*/ - {0x70, - 0x3e, - 0xb5, - 0x66, - 0x48, - 0x03, - 0xf6, - 0x0e, - 0x61, - 0x35, - 0x57, - 0xb9, - 0x86, - 0xc1, - 0x1d, - 0x9e}, - /*e*/ - {0xe1, - 0xf8, - 0x98, - 0x11, - 0x69, - 0xd9, - 0x8e, - 0x94, - 0x9b, - 0x1e, - 0x87, - 0xe9, - 0xce, - 0x55, - 0x28, - 0xdf}, - /*f*/ - {0x8c, - 0xa1, - 0x89, - 0x0d, - 0xbf, - 0xe6, - 0x42, - 0x68, - 0x41, - 0x99, - 0x2d, - 0x0f, - 0xb0, - 0x54, - 0xbb, - 0x16}, -}; - -static void oaes_sub_byte(uint8_t* byte) { - size_t _x, _y; - - if (NULL == byte) - return; - - _x = _y = *byte; - _x &= 0x0f; - _y &= 0xf0; - _y >>= 4; - *byte = oaes_sub_byte_value[_y][_x]; -} - -static void oaes_word_rot_left(uint8_t word[OAES_COL_LEN]) { - uint8_t _temp[OAES_COL_LEN]; - - if (NULL == word) - return; - - memcpy(_temp, word + 1, OAES_COL_LEN - 1); - _temp[OAES_COL_LEN - 1] = word[0]; - memcpy(word, _temp, OAES_COL_LEN); -} - -void oaes_expand_key_256(const uint8_t* data, uint8_t* exp_data) { - size_t _i, _j; - - const size_t key_base = 32 / OAES_RKEY_LEN; - const size_t num_keys = key_base + OAES_ROUND_BASE; - assert(num_keys * OAES_RKEY_LEN * OAES_COL_LEN == 240); - - // the first key->data_len are a direct copy - memcpy(exp_data, data, 32); - - // apply ExpandKey algorithm for remainder - for (_i = key_base; _i < num_keys * OAES_RKEY_LEN; _i++) { - uint8_t _temp[OAES_COL_LEN]; - - memcpy(_temp, exp_data + (_i - 1) * OAES_RKEY_LEN, OAES_COL_LEN); - - // transform key column - if (0 == _i % key_base) { - oaes_word_rot_left(_temp); - - for (_j = 0; _j < OAES_COL_LEN; _j++) - oaes_sub_byte(_temp + _j); - - _temp[0] = _temp[0] ^ oaes_gf_8[_i / key_base - 1]; - } else if (key_base > 6 && 4 == _i % key_base) { - for (_j = 0; _j < OAES_COL_LEN; _j++) - oaes_sub_byte(_temp + _j); - } - - for (_j = 0; _j < OAES_COL_LEN; _j++) { - exp_data[_i * OAES_RKEY_LEN + _j] = - exp_data[(_i - key_base) * OAES_RKEY_LEN + _j] ^ _temp[_j]; - } - } -} diff --git a/src/crypto/oaes_lib_expand.h b/src/crypto/oaes_lib_expand.h deleted file mode 100644 index 9a79f04..0000000 --- a/src/crypto/oaes_lib_expand.h +++ /dev/null @@ -1,47 +0,0 @@ -/* - * --------------------------------------------------------------------------- - * OpenAES License - * --------------------------------------------------------------------------- - * Copyright (c) 2012, Nabil S. Al Ramli, www.nalramli.com - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * - Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * - Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE - * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - * --------------------------------------------------------------------------- - */ - -#ifndef _OAES_LIB_H -#define _OAES_LIB_H - -#ifdef __cplusplus -extern "C" { -#endif - -#include - -// directly import data (32 bytes), writes expanded key data of 240 bytes into exp_data -void oaes_expand_key_256(const uint8_t* data, uint8_t* exp_data); - -#ifdef __cplusplus -} -#endif - -#endif // _OAES_LIB_H diff --git a/src/crypto/random.c b/src/crypto/random.c deleted file mode 100644 index 37393da..0000000 --- a/src/crypto/random.c +++ /dev/null @@ -1,174 +0,0 @@ -// Copyright (c) 2014-2019, The Monero Project -// -// All rights reserved. -// -// Redistribution and use in source and binary forms, with or without modification, are -// permitted provided that the following conditions are met: -// -// 1. Redistributions of source code must retain the above copyright notice, this list of -// conditions and the following disclaimer. -// -// 2. Redistributions in binary form must reproduce the above copyright notice, this list -// of conditions and the following disclaimer in the documentation and/or other -// materials provided with the distribution. -// -// 3. Neither the name of the copyright holder nor the names of its contributors may be -// used to endorse or promote products derived from this software without specific -// prior written permission. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY -// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF -// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL -// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, -// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, -// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF -// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -// -// Parts of this file are originally copyright (c) 2012-2013 The Cryptonote developers - -#include "random.h" - -#include -#include -#include - -#include "hash-ops.h" -#include "initializer.h" - -static void generate_system_random_bytes(size_t n, void* result); - -#if defined(_WIN32) -// clang-format off -#include -#include -#include -// clang-format on - -static void generate_system_random_bytes(size_t n, void* result) { - HCRYPTPROV prov; -#ifdef NDEBUG -#define must_succeed(x) \ - do \ - if (!(x)) { \ - fprintf(stderr, "Failed: " #x); \ - _exit(1); \ - } \ - while (0) -#else -#define must_succeed(x) \ - do \ - if (!(x)) \ - abort(); \ - while (0) -#endif - must_succeed(CryptAcquireContext( - &prov, NULL, NULL, PROV_RSA_FULL, CRYPT_VERIFYCONTEXT | CRYPT_SILENT)); - must_succeed(CryptGenRandom(prov, (DWORD)n, result)); - must_succeed(CryptReleaseContext(prov, 0)); -#undef must_succeed -} - -#else - -#include -#include -#include -#include -#include -#include -#include - -static void generate_system_random_bytes(size_t n, void* result) { - int fd; - if ((fd = open("/dev/urandom", O_RDONLY | O_NOCTTY | O_CLOEXEC)) < 0) { - err(EXIT_FAILURE, "open /dev/urandom"); - } - for (;;) { - ssize_t res = read(fd, result, n); - if ((size_t)res == n) { - break; - } - if (res < 0) { - if (errno != EINTR) { - err(EXIT_FAILURE, "read /dev/urandom"); - } - } else if (res == 0) { - errx(EXIT_FAILURE, "read /dev/urandom: end of file"); - } else { - result = (char*)result + res; - n -= (size_t)res; - } - } - if (close(fd) < 0) { - err(EXIT_FAILURE, "close /dev/urandom"); - } -} - -#endif - -static union hash_state state; - -#if !defined(NDEBUG) -static volatile int curstate; /* To catch thread safety problems. */ -#endif - -FINALIZER(deinit_random) { -#if !defined(NDEBUG) - assert(curstate == 1); - curstate = 0; -#endif - memset(&state, 0, sizeof(union hash_state)); -} - -INITIALIZER(init_random) { - generate_system_random_bytes(32, &state); - REGISTER_FINALIZER(deinit_random); -#if !defined(NDEBUG) - assert(curstate == 0); - curstate = 1; -#endif -} - -void generate_random_bytes_not_thread_safe(size_t n, void* result) { -#if !defined(NDEBUG) - assert(curstate == 1); - curstate = 2; -#endif - if (n == 0) { -#if !defined(NDEBUG) - assert(curstate == 2); - curstate = 1; -#endif - return; - } - for (;;) { - hash_permutation(&state); - if (n <= HASH_DATA_AREA) { - memcpy(result, &state, n); -#if !defined(NDEBUG) - assert(curstate == 2); - curstate = 1; -#endif - return; - } else { - memcpy(result, &state, HASH_DATA_AREA); - result = (char*)result + HASH_DATA_AREA; - n -= HASH_DATA_AREA; - } - } -} - -void add_extra_entropy_not_thread_safe(const void* ptr, size_t bytes) { - size_t i; - - while (bytes > 0) { - hash_permutation(&state); - const size_t round_bytes = bytes > HASH_DATA_AREA ? HASH_DATA_AREA : bytes; - for (i = 0; i < round_bytes; ++i) - state.b[i] ^= ((const uint8_t*)ptr)[i]; - bytes -= round_bytes; - ptr = (const char*)ptr + round_bytes; - } -} diff --git a/src/crypto/random.h b/src/crypto/random.h deleted file mode 100644 index 62820d9..0000000 --- a/src/crypto/random.h +++ /dev/null @@ -1,36 +0,0 @@ -// Copyright (c) 2014-2019, The Monero Project -// -// All rights reserved. -// -// Redistribution and use in source and binary forms, with or without modification, are -// permitted provided that the following conditions are met: -// -// 1. Redistributions of source code must retain the above copyright notice, this list of -// conditions and the following disclaimer. -// -// 2. Redistributions in binary form must reproduce the above copyright notice, this list -// of conditions and the following disclaimer in the documentation and/or other -// materials provided with the distribution. -// -// 3. Neither the name of the copyright holder nor the names of its contributors may be -// used to endorse or promote products derived from this software without specific -// prior written permission. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY -// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF -// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL -// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, -// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, -// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF -// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -// -// Parts of this file are originally copyright (c) 2012-2013 The Cryptonote developers - -#pragma once - -#include - -void generate_random_bytes_not_thread_safe(size_t n, void* result); -void add_extra_entropy_not_thread_safe(const void* ptr, size_t bytes); diff --git a/src/crypto/skein.c b/src/crypto/skein.c deleted file mode 100644 index 1ce907a..0000000 --- a/src/crypto/skein.c +++ /dev/null @@ -1,2114 +0,0 @@ -/*********************************************************************** -** -** Implementation of the Skein hash function. -** -** Source code author: Doug Whiting, 2008. -** -** This algorithm and source code is released to the public domain. -** -************************************************************************/ - -#define SKEIN_PORT_CODE /* instantiate any code in skein_port.h */ - -#include "skein.h" /* get the Skein API definitions */ - -#include /* get size_t definition */ -#include /* get the memcpy/memset functions */ - -#define DISABLE_UNUSED 0 - -#ifndef SKEIN_256_NIST_MAX_HASHBITS -#define SKEIN_256_NIST_MAX_HASHBITS (0) -#endif - -#ifndef SKEIN_512_NIST_MAX_HASHBITS -#define SKEIN_512_NIST_MAX_HASHBITS (512) -#endif - -#define SKEIN_MODIFIER_WORDS (2) /* number of modifier (tweak) words */ - -#define SKEIN_256_STATE_WORDS (4) -#define SKEIN_512_STATE_WORDS (8) -#define SKEIN1024_STATE_WORDS (16) -#define SKEIN_MAX_STATE_WORDS (16) - -#define SKEIN_256_STATE_BYTES (8 * SKEIN_256_STATE_WORDS) -#define SKEIN_512_STATE_BYTES (8 * SKEIN_512_STATE_WORDS) -#define SKEIN1024_STATE_BYTES (8 * SKEIN1024_STATE_WORDS) - -#define SKEIN_256_STATE_BITS (64 * SKEIN_256_STATE_WORDS) -#define SKEIN_512_STATE_BITS (64 * SKEIN_512_STATE_WORDS) -#define SKEIN1024_STATE_BITS (64 * SKEIN1024_STATE_WORDS) - -#define SKEIN_256_BLOCK_BYTES (8 * SKEIN_256_STATE_WORDS) -#define SKEIN_512_BLOCK_BYTES (8 * SKEIN_512_STATE_WORDS) -#define SKEIN1024_BLOCK_BYTES (8 * SKEIN1024_STATE_WORDS) - -#define SKEIN_RND_SPECIAL (1000u) -#define SKEIN_RND_KEY_INITIAL (SKEIN_RND_SPECIAL + 0u) -#define SKEIN_RND_KEY_INJECT (SKEIN_RND_SPECIAL + 1u) -#define SKEIN_RND_FEED_FWD (SKEIN_RND_SPECIAL + 2u) - -typedef struct { - size_t hashBitLen; /* size of hash result, in bits */ - size_t bCnt; /* current byte count in buffer b[] */ - u64b_t T[SKEIN_MODIFIER_WORDS]; /* tweak words: T[0]=byte cnt, T[1]=flags */ -} Skein_Ctxt_Hdr_t; - -typedef struct /* 256-bit Skein hash context structure */ -{ - Skein_Ctxt_Hdr_t h; /* common header context variables */ - u64b_t X[SKEIN_256_STATE_WORDS]; /* chaining variables */ - u08b_t b[SKEIN_256_BLOCK_BYTES]; /* partial block buffer (8-byte aligned) */ -} Skein_256_Ctxt_t; - -typedef struct /* 512-bit Skein hash context structure */ -{ - Skein_Ctxt_Hdr_t h; /* common header context variables */ - u64b_t X[SKEIN_512_STATE_WORDS]; /* chaining variables */ - u08b_t b[SKEIN_512_BLOCK_BYTES]; /* partial block buffer (8-byte aligned) */ -} Skein_512_Ctxt_t; - -typedef struct /* 1024-bit Skein hash context structure */ -{ - Skein_Ctxt_Hdr_t h; /* common header context variables */ - u64b_t X[SKEIN1024_STATE_WORDS]; /* chaining variables */ - u08b_t b[SKEIN1024_BLOCK_BYTES]; /* partial block buffer (8-byte aligned) */ -} Skein1024_Ctxt_t; - -/* Skein APIs for (incremental) "straight hashing" */ -#if SKEIN_256_NIST_MAX_HASHBITS -static int Skein_256_Init(Skein_256_Ctxt_t* ctx, size_t hashBitLen); -#endif -static int Skein_512_Init(Skein_512_Ctxt_t* ctx, size_t hashBitLen); -static int Skein1024_Init(Skein1024_Ctxt_t* ctx, size_t hashBitLen); - -static int Skein_256_Update(Skein_256_Ctxt_t* ctx, const u08b_t* msg, size_t msgByteCnt); -static int Skein_512_Update(Skein_512_Ctxt_t* ctx, const u08b_t* msg, size_t msgByteCnt); -static int Skein1024_Update(Skein1024_Ctxt_t* ctx, const u08b_t* msg, size_t msgByteCnt); - -static int Skein_256_Final(Skein_256_Ctxt_t* ctx, u08b_t* hashVal); -static int Skein_512_Final(Skein_512_Ctxt_t* ctx, u08b_t* hashVal); -static int Skein1024_Final(Skein1024_Ctxt_t* ctx, u08b_t* hashVal); - -/* -** Skein APIs for "extended" initialization: MAC keys, tree hashing. -** After an InitExt() call, just use Update/Final calls as with Init(). -** -** Notes: Same parameters as _Init() calls, plus treeInfo/key/keyBytes. -** When keyBytes == 0 and treeInfo == SKEIN_SEQUENTIAL, -** the results of InitExt() are identical to calling Init(). -** The function Init() may be called once to "precompute" the IV for -** a given hashBitLen value, then by saving a copy of the context -** the IV computation may be avoided in later calls. -** Similarly, the function InitExt() may be called once per MAC key -** to precompute the MAC IV, then a copy of the context saved and -** reused for each new MAC computation. -**/ -#if 0 -static int Skein_256_InitExt(Skein_256_Ctxt_t *ctx, size_t hashBitLen, u64b_t treeInfo, const u08b_t *key, size_t keyBytes); -static int Skein_512_InitExt(Skein_512_Ctxt_t *ctx, size_t hashBitLen, u64b_t treeInfo, const u08b_t *key, size_t keyBytes); -static int Skein1024_InitExt(Skein1024_Ctxt_t *ctx, size_t hashBitLen, u64b_t treeInfo, const u08b_t *key, size_t keyBytes); -#endif - -/* -** Skein APIs for MAC and tree hash: -** Final_Pad: pad, do final block, but no OUTPUT type -** Output: do just the output stage -*/ -#if 0 -static int Skein_256_Final_Pad(Skein_256_Ctxt_t *ctx, u08b_t * hashVal); -static int Skein_512_Final_Pad(Skein_512_Ctxt_t *ctx, u08b_t * hashVal); -static int Skein1024_Final_Pad(Skein1024_Ctxt_t *ctx, u08b_t * hashVal); -#endif - -#ifndef SKEIN_TREE_HASH -#define SKEIN_TREE_HASH (1) -#endif -#if 0 -#if SKEIN_TREE_HASH -static int Skein_256_Output (Skein_256_Ctxt_t *ctx, u08b_t * hashVal); -static int Skein_512_Output (Skein_512_Ctxt_t *ctx, u08b_t * hashVal); -static int Skein1024_Output (Skein1024_Ctxt_t *ctx, u08b_t * hashVal); -#endif -#endif - -/***************************************************************** -** "Internal" Skein definitions -** -- not needed for sequential hashing API, but will be -** helpful for other uses of Skein (e.g., tree hash mode). -** -- included here so that they can be shared between -** reference and optimized code. -******************************************************************/ - -/* tweak word T[1]: bit field starting positions */ -#define SKEIN_T1_BIT(BIT) ((BIT)-64) /* offset 64 because it's the second word */ - -#define SKEIN_T1_POS_TREE_LVL SKEIN_T1_BIT(112) /* bits 112..118: level in hash tree */ -#define SKEIN_T1_POS_BIT_PAD SKEIN_T1_BIT(119) /* bit 119 : partial final input byte */ -#define SKEIN_T1_POS_BLK_TYPE SKEIN_T1_BIT(120) /* bits 120..125: type field */ -#define SKEIN_T1_POS_FIRST SKEIN_T1_BIT(126) /* bits 126 : first block flag */ -#define SKEIN_T1_POS_FINAL SKEIN_T1_BIT(127) /* bit 127 : final block flag */ - -/* tweak word T[1]: flag bit definition(s) */ -#define SKEIN_T1_FLAG_FIRST (((u64b_t)1) << SKEIN_T1_POS_FIRST) -#define SKEIN_T1_FLAG_FINAL (((u64b_t)1) << SKEIN_T1_POS_FINAL) -#define SKEIN_T1_FLAG_BIT_PAD (((u64b_t)1) << SKEIN_T1_POS_BIT_PAD) - -/* tweak word T[1]: tree level bit field mask */ -#define SKEIN_T1_TREE_LVL_MASK (((u64b_t)0x7F) << SKEIN_T1_POS_TREE_LVL) -#define SKEIN_T1_TREE_LEVEL(n) (((u64b_t)(n)) << SKEIN_T1_POS_TREE_LVL) - -/* tweak word T[1]: block type field */ -#define SKEIN_BLK_TYPE_KEY (0) /* key, for MAC and KDF */ -#define SKEIN_BLK_TYPE_CFG (4) /* configuration block */ -#define SKEIN_BLK_TYPE_PERS (8) /* personalization string */ -#define SKEIN_BLK_TYPE_PK (12) /* public key (for digital signature hashing) */ -#define SKEIN_BLK_TYPE_KDF (16) /* key identifier for KDF */ -#define SKEIN_BLK_TYPE_NONCE (20) /* nonce for PRNG */ -#define SKEIN_BLK_TYPE_MSG (48) /* message processing */ -#define SKEIN_BLK_TYPE_OUT (63) /* output stage */ -#define SKEIN_BLK_TYPE_MASK (63) /* bit field mask */ - -#define SKEIN_T1_BLK_TYPE(T) (((u64b_t)(SKEIN_BLK_TYPE_##T)) << SKEIN_T1_POS_BLK_TYPE) -#define SKEIN_T1_BLK_TYPE_KEY SKEIN_T1_BLK_TYPE(KEY) /* key, for MAC and KDF */ -#define SKEIN_T1_BLK_TYPE_CFG SKEIN_T1_BLK_TYPE(CFG) /* configuration block */ -#define SKEIN_T1_BLK_TYPE_PERS SKEIN_T1_BLK_TYPE(PERS) /* personalization string */ -#define SKEIN_T1_BLK_TYPE_PK \ - SKEIN_T1_BLK_TYPE(PK) /* public key (for digital signature hashing) \ - */ -#define SKEIN_T1_BLK_TYPE_KDF SKEIN_T1_BLK_TYPE(KDF) /* key identifier for KDF */ -#define SKEIN_T1_BLK_TYPE_NONCE SKEIN_T1_BLK_TYPE(NONCE) /* nonce for PRNG */ -#define SKEIN_T1_BLK_TYPE_MSG SKEIN_T1_BLK_TYPE(MSG) /* message processing */ -#define SKEIN_T1_BLK_TYPE_OUT SKEIN_T1_BLK_TYPE(OUT) /* output stage */ -#define SKEIN_T1_BLK_TYPE_MASK SKEIN_T1_BLK_TYPE(MASK) /* field bit mask */ - -#define SKEIN_T1_BLK_TYPE_CFG_FINAL (SKEIN_T1_BLK_TYPE_CFG | SKEIN_T1_FLAG_FINAL) -#define SKEIN_T1_BLK_TYPE_OUT_FINAL (SKEIN_T1_BLK_TYPE_OUT | SKEIN_T1_FLAG_FINAL) - -#define SKEIN_VERSION (1) - -#ifndef SKEIN_ID_STRING_LE /* allow compile-time personalization */ -#define SKEIN_ID_STRING_LE (0x33414853) /* "SHA3" (little-endian)*/ -#endif - -#define SKEIN_MK_64(hi32, lo32) ((lo32) + (((u64b_t)(hi32)) << 32)) -#define SKEIN_SCHEMA_VER SKEIN_MK_64(SKEIN_VERSION, SKEIN_ID_STRING_LE) -#define SKEIN_KS_PARITY SKEIN_MK_64(0x1BD11BDA, 0xA9FC1A22) - -#define SKEIN_CFG_STR_LEN (4 * 8) - -/* bit field definitions in config block treeInfo word */ -#define SKEIN_CFG_TREE_LEAF_SIZE_POS (0) -#define SKEIN_CFG_TREE_NODE_SIZE_POS (8) -#define SKEIN_CFG_TREE_MAX_LEVEL_POS (16) - -#define SKEIN_CFG_TREE_LEAF_SIZE_MSK (((u64b_t)0xFF) << SKEIN_CFG_TREE_LEAF_SIZE_POS) -#define SKEIN_CFG_TREE_NODE_SIZE_MSK (((u64b_t)0xFF) << SKEIN_CFG_TREE_NODE_SIZE_POS) -#define SKEIN_CFG_TREE_MAX_LEVEL_MSK (((u64b_t)0xFF) << SKEIN_CFG_TREE_MAX_LEVEL_POS) - -#define SKEIN_CFG_TREE_INFO(leaf, node, maxLvl) \ - ((((u64b_t)(leaf)) << SKEIN_CFG_TREE_LEAF_SIZE_POS) | \ - (((u64b_t)(node)) << SKEIN_CFG_TREE_NODE_SIZE_POS) | \ - (((u64b_t)(maxLvl)) << SKEIN_CFG_TREE_MAX_LEVEL_POS)) - -#define SKEIN_CFG_TREE_INFO_SEQUENTIAL \ - SKEIN_CFG_TREE_INFO(0, 0, 0) /* use as treeInfo in InitExt() call for sequential processing */ - -/* -** Skein macros for getting/setting tweak words, etc. -** These are useful for partial input bytes, hash tree init/update, etc. -**/ -#define Skein_Get_Tweak(ctxPtr, TWK_NUM) ((ctxPtr)->h.T[TWK_NUM]) -#define Skein_Set_Tweak(ctxPtr, TWK_NUM, tVal) \ - { (ctxPtr)->h.T[TWK_NUM] = (tVal); } - -#define Skein_Get_T0(ctxPtr) Skein_Get_Tweak(ctxPtr, 0) -#define Skein_Get_T1(ctxPtr) Skein_Get_Tweak(ctxPtr, 1) -#define Skein_Set_T0(ctxPtr, T0) Skein_Set_Tweak(ctxPtr, 0, T0) -#define Skein_Set_T1(ctxPtr, T1) Skein_Set_Tweak(ctxPtr, 1, T1) - -/* set both tweak words at once */ -#define Skein_Set_T0_T1(ctxPtr, T0, T1) \ - { \ - Skein_Set_T0(ctxPtr, (T0)); \ - Skein_Set_T1(ctxPtr, (T1)); \ - } - -#define Skein_Set_Type(ctxPtr, BLK_TYPE) Skein_Set_T1(ctxPtr, SKEIN_T1_BLK_TYPE_##BLK_TYPE) - -/* set up for starting with a new type: h.T[0]=0; h.T[1] = NEW_TYPE; h.bCnt=0; */ -#define Skein_Start_New_Type(ctxPtr, BLK_TYPE) \ - { \ - Skein_Set_T0_T1(ctxPtr, 0, SKEIN_T1_FLAG_FIRST | SKEIN_T1_BLK_TYPE_##BLK_TYPE); \ - (ctxPtr)->h.bCnt = 0; \ - } - -#define Skein_Clear_First_Flag(hdr) \ - { (hdr).T[1] &= ~SKEIN_T1_FLAG_FIRST; } -#define Skein_Set_Bit_Pad_Flag(hdr) \ - { (hdr).T[1] |= SKEIN_T1_FLAG_BIT_PAD; } - -#define Skein_Set_Tree_Level(hdr, height) \ - { (hdr).T[1] |= SKEIN_T1_TREE_LEVEL(height); } - -/***************************************************************** -** "Internal" Skein definitions for debugging and error checking -******************************************************************/ -#define Skein_Show_Block(bits, ctx, X, blkPtr, wPtr, ksEvenPtr, ksOddPtr) -#define Skein_Show_Round(bits, ctx, r, X) -#define Skein_Show_R_Ptr(bits, ctx, r, X_ptr) -#define Skein_Show_Final(bits, ctx, cnt, outPtr) -#define Skein_Show_Key(bits, ctx, key, keyBytes) - -#ifndef SKEIN_ERR_CHECK /* run-time checks (e.g., bad params, uninitialized context)? */ -#define Skein_Assert(x, retCode) /* default: ignore all Asserts, for performance */ -#define Skein_assert(x) -#elif defined(SKEIN_ASSERT) -#include -#define Skein_Assert(x, retCode) assert(x) -#define Skein_assert(x) assert(x) -#else -#include -#define Skein_Assert(x, retCode) \ - { \ - if (!(x)) \ - return retCode; \ - } /* caller error */ -#define Skein_assert(x) assert(x) /* internal error */ -#endif - -/***************************************************************** -** Skein block function constants (shared across Ref and Opt code) -******************************************************************/ -enum { - /* Skein_256 round rotation constants */ - R_256_0_0 = 14, - R_256_0_1 = 16, - R_256_1_0 = 52, - R_256_1_1 = 57, - R_256_2_0 = 23, - R_256_2_1 = 40, - R_256_3_0 = 5, - R_256_3_1 = 37, - R_256_4_0 = 25, - R_256_4_1 = 33, - R_256_5_0 = 46, - R_256_5_1 = 12, - R_256_6_0 = 58, - R_256_6_1 = 22, - R_256_7_0 = 32, - R_256_7_1 = 32, - - /* Skein_512 round rotation constants */ - R_512_0_0 = 46, - R_512_0_1 = 36, - R_512_0_2 = 19, - R_512_0_3 = 37, - R_512_1_0 = 33, - R_512_1_1 = 27, - R_512_1_2 = 14, - R_512_1_3 = 42, - R_512_2_0 = 17, - R_512_2_1 = 49, - R_512_2_2 = 36, - R_512_2_3 = 39, - R_512_3_0 = 44, - R_512_3_1 = 9, - R_512_3_2 = 54, - R_512_3_3 = 56, - R_512_4_0 = 39, - R_512_4_1 = 30, - R_512_4_2 = 34, - R_512_4_3 = 24, - R_512_5_0 = 13, - R_512_5_1 = 50, - R_512_5_2 = 10, - R_512_5_3 = 17, - R_512_6_0 = 25, - R_512_6_1 = 29, - R_512_6_2 = 39, - R_512_6_3 = 43, - R_512_7_0 = 8, - R_512_7_1 = 35, - R_512_7_2 = 56, - R_512_7_3 = 22, - - /* Skein1024 round rotation constants */ - R1024_0_0 = 24, - R1024_0_1 = 13, - R1024_0_2 = 8, - R1024_0_3 = 47, - R1024_0_4 = 8, - R1024_0_5 = 17, - R1024_0_6 = 22, - R1024_0_7 = 37, - R1024_1_0 = 38, - R1024_1_1 = 19, - R1024_1_2 = 10, - R1024_1_3 = 55, - R1024_1_4 = 49, - R1024_1_5 = 18, - R1024_1_6 = 23, - R1024_1_7 = 52, - R1024_2_0 = 33, - R1024_2_1 = 4, - R1024_2_2 = 51, - R1024_2_3 = 13, - R1024_2_4 = 34, - R1024_2_5 = 41, - R1024_2_6 = 59, - R1024_2_7 = 17, - R1024_3_0 = 5, - R1024_3_1 = 20, - R1024_3_2 = 48, - R1024_3_3 = 41, - R1024_3_4 = 47, - R1024_3_5 = 28, - R1024_3_6 = 16, - R1024_3_7 = 25, - R1024_4_0 = 41, - R1024_4_1 = 9, - R1024_4_2 = 37, - R1024_4_3 = 31, - R1024_4_4 = 12, - R1024_4_5 = 47, - R1024_4_6 = 44, - R1024_4_7 = 30, - R1024_5_0 = 16, - R1024_5_1 = 34, - R1024_5_2 = 56, - R1024_5_3 = 51, - R1024_5_4 = 4, - R1024_5_5 = 53, - R1024_5_6 = 42, - R1024_5_7 = 41, - R1024_6_0 = 31, - R1024_6_1 = 44, - R1024_6_2 = 47, - R1024_6_3 = 46, - R1024_6_4 = 19, - R1024_6_5 = 42, - R1024_6_6 = 44, - R1024_6_7 = 25, - R1024_7_0 = 9, - R1024_7_1 = 48, - R1024_7_2 = 35, - R1024_7_3 = 52, - R1024_7_4 = 23, - R1024_7_5 = 31, - R1024_7_6 = 37, - R1024_7_7 = 20 -}; - -#ifndef SKEIN_ROUNDS -#define SKEIN_256_ROUNDS_TOTAL (72) /* number of rounds for the different block sizes */ -#define SKEIN_512_ROUNDS_TOTAL (72) -#define SKEIN1024_ROUNDS_TOTAL (80) -#else /* allow command-line define in range 8*(5..14) */ -#define SKEIN_256_ROUNDS_TOTAL (8 * ((((SKEIN_ROUNDS / 100) + 5) % 10) + 5)) -#define SKEIN_512_ROUNDS_TOTAL (8 * ((((SKEIN_ROUNDS / 10) + 5) % 10) + 5)) -#define SKEIN1024_ROUNDS_TOTAL (8 * ((((SKEIN_ROUNDS) + 5) % 10) + 5)) -#endif - -/* -***************** Pre-computed Skein IVs ******************* -** -** NOTE: these values are not "magic" constants, but -** are generated using the Threefish block function. -** They are pre-computed here only for speed; i.e., to -** avoid the need for a Threefish call during Init(). -** -** The IV for any fixed hash length may be pre-computed. -** Only the most common values are included here. -** -************************************************************ -**/ - -#define MK_64 SKEIN_MK_64 - -/* blkSize = 256 bits. hashSize = 128 bits */ -const u64b_t SKEIN_256_IV_128[] = { - MK_64(0xE1111906, 0x964D7260), - MK_64(0x883DAAA7, 0x7C8D811C), - MK_64(0x10080DF4, 0x91960F7A), - MK_64(0xCCF7DDE5, 0xB45BC1C2)}; - -/* blkSize = 256 bits. hashSize = 160 bits */ -const u64b_t SKEIN_256_IV_160[] = { - MK_64(0x14202314, 0x72825E98), - MK_64(0x2AC4E9A2, 0x5A77E590), - MK_64(0xD47A5856, 0x8838D63E), - MK_64(0x2DD2E496, 0x8586AB7D)}; - -/* blkSize = 256 bits. hashSize = 224 bits */ -const u64b_t SKEIN_256_IV_224[] = { - MK_64(0xC6098A8C, 0x9AE5EA0B), - MK_64(0x876D5686, 0x08C5191C), - MK_64(0x99CB88D7, 0xD7F53884), - MK_64(0x384BDDB1, 0xAEDDB5DE)}; - -/* blkSize = 256 bits. hashSize = 256 bits */ -const u64b_t SKEIN_256_IV_256[] = { - MK_64(0xFC9DA860, 0xD048B449), - MK_64(0x2FCA6647, 0x9FA7D833), - MK_64(0xB33BC389, 0x6656840F), - MK_64(0x6A54E920, 0xFDE8DA69)}; - -/* blkSize = 512 bits. hashSize = 128 bits */ -const u64b_t SKEIN_512_IV_128[] = { - MK_64(0xA8BC7BF3, 0x6FBF9F52), - MK_64(0x1E9872CE, 0xBD1AF0AA), - MK_64(0x309B1790, 0xB32190D3), - MK_64(0xBCFBB854, 0x3F94805C), - MK_64(0x0DA61BCD, 0x6E31B11B), - MK_64(0x1A18EBEA, 0xD46A32E3), - MK_64(0xA2CC5B18, 0xCE84AA82), - MK_64(0x6982AB28, 0x9D46982D)}; - -/* blkSize = 512 bits. hashSize = 160 bits */ -const u64b_t SKEIN_512_IV_160[] = { - MK_64(0x28B81A2A, 0xE013BD91), - MK_64(0xC2F11668, 0xB5BDF78F), - MK_64(0x1760D8F3, 0xF6A56F12), - MK_64(0x4FB74758, 0x8239904F), - MK_64(0x21EDE07F, 0x7EAF5056), - MK_64(0xD908922E, 0x63ED70B8), - MK_64(0xB8EC76FF, 0xECCB52FA), - MK_64(0x01A47BB8, 0xA3F27A6E)}; - -/* blkSize = 512 bits. hashSize = 224 bits */ -const u64b_t SKEIN_512_IV_224[] = { - MK_64(0xCCD06162, 0x48677224), - MK_64(0xCBA65CF3, 0xA92339EF), - MK_64(0x8CCD69D6, 0x52FF4B64), - MK_64(0x398AED7B, 0x3AB890B4), - MK_64(0x0F59D1B1, 0x457D2BD0), - MK_64(0x6776FE65, 0x75D4EB3D), - MK_64(0x99FBC70E, 0x997413E9), - MK_64(0x9E2CFCCF, 0xE1C41EF7)}; - -/* blkSize = 512 bits. hashSize = 256 bits */ -const u64b_t SKEIN_512_IV_256[] = { - MK_64(0xCCD044A1, 0x2FDB3E13), - MK_64(0xE8359030, 0x1A79A9EB), - MK_64(0x55AEA061, 0x4F816E6F), - MK_64(0x2A2767A4, 0xAE9B94DB), - MK_64(0xEC06025E, 0x74DD7683), - MK_64(0xE7A436CD, 0xC4746251), - MK_64(0xC36FBAF9, 0x393AD185), - MK_64(0x3EEDBA18, 0x33EDFC13)}; - -/* blkSize = 512 bits. hashSize = 384 bits */ -const u64b_t SKEIN_512_IV_384[] = { - MK_64(0xA3F6C6BF, 0x3A75EF5F), - MK_64(0xB0FEF9CC, 0xFD84FAA4), - MK_64(0x9D77DD66, 0x3D770CFE), - MK_64(0xD798CBF3, 0xB468FDDA), - MK_64(0x1BC4A666, 0x8A0E4465), - MK_64(0x7ED7D434, 0xE5807407), - MK_64(0x548FC1AC, 0xD4EC44D6), - MK_64(0x266E1754, 0x6AA18FF8)}; - -/* blkSize = 512 bits. hashSize = 512 bits */ -const u64b_t SKEIN_512_IV_512[] = { - MK_64(0x4903ADFF, 0x749C51CE), - MK_64(0x0D95DE39, 0x9746DF03), - MK_64(0x8FD19341, 0x27C79BCE), - MK_64(0x9A255629, 0xFF352CB1), - MK_64(0x5DB62599, 0xDF6CA7B0), - MK_64(0xEABE394C, 0xA9D5C3F4), - MK_64(0x991112C7, 0x1A75B523), - MK_64(0xAE18A40B, 0x660FCC33)}; - -/* blkSize = 1024 bits. hashSize = 384 bits */ -const u64b_t SKEIN1024_IV_384[] = { - MK_64(0x5102B6B8, 0xC1894A35), - MK_64(0xFEEBC9E3, 0xFE8AF11A), - MK_64(0x0C807F06, 0xE32BED71), - MK_64(0x60C13A52, 0xB41A91F6), - MK_64(0x9716D35D, 0xD4917C38), - MK_64(0xE780DF12, 0x6FD31D3A), - MK_64(0x797846B6, 0xC898303A), - MK_64(0xB172C2A8, 0xB3572A3B), - MK_64(0xC9BC8203, 0xA6104A6C), - MK_64(0x65909338, 0xD75624F4), - MK_64(0x94BCC568, 0x4B3F81A0), - MK_64(0x3EBBF51E, 0x10ECFD46), - MK_64(0x2DF50F0B, 0xEEB08542), - MK_64(0x3B5A6530, 0x0DBC6516), - MK_64(0x484B9CD2, 0x167BBCE1), - MK_64(0x2D136947, 0xD4CBAFEA)}; - -/* blkSize = 1024 bits. hashSize = 512 bits */ -const u64b_t SKEIN1024_IV_512[] = { - MK_64(0xCAEC0E5D, 0x7C1B1B18), - MK_64(0xA01B0E04, 0x5F03E802), - MK_64(0x33840451, 0xED912885), - MK_64(0x374AFB04, 0xEAEC2E1C), - MK_64(0xDF25A0E2, 0x813581F7), - MK_64(0xE4004093, 0x8B12F9D2), - MK_64(0xA662D539, 0xC2ED39B6), - MK_64(0xFA8B85CF, 0x45D8C75A), - MK_64(0x8316ED8E, 0x29EDE796), - MK_64(0x053289C0, 0x2E9F91B8), - MK_64(0xC3F8EF1D, 0x6D518B73), - MK_64(0xBDCEC3C4, 0xD5EF332E), - MK_64(0x549A7E52, 0x22974487), - MK_64(0x67070872, 0x5B749816), - MK_64(0xB9CD28FB, 0xF0581BD1), - MK_64(0x0E2940B8, 0x15804974)}; - -/* blkSize = 1024 bits. hashSize = 1024 bits */ -const u64b_t SKEIN1024_IV_1024[] = { - MK_64(0xD593DA07, 0x41E72355), - MK_64(0x15B5E511, 0xAC73E00C), - MK_64(0x5180E5AE, 0xBAF2C4F0), - MK_64(0x03BD41D3, 0xFCBCAFAF), - MK_64(0x1CAEC6FD, 0x1983A898), - MK_64(0x6E510B8B, 0xCDD0589F), - MK_64(0x77E2BDFD, 0xC6394ADA), - MK_64(0xC11E1DB5, 0x24DCB0A3), - MK_64(0xD6D14AF9, 0xC6329AB5), - MK_64(0x6A9B0BFC, 0x6EB67E0D), - MK_64(0x9243C60D, 0xCCFF1332), - MK_64(0x1A1F1DDE, 0x743F02D4), - MK_64(0x0996753C, 0x10ED0BB8), - MK_64(0x6572DD22, 0xF2B4969A), - MK_64(0x61FD3062, 0xD00A579A), - MK_64(0x1DE0536E, 0x8682E539)}; - -#ifndef SKEIN_USE_ASM -#define SKEIN_USE_ASM (0) /* default is all C code (no ASM) */ -#endif - -#ifndef SKEIN_LOOP -#define SKEIN_LOOP 001 /* default: unroll 256 and 512, but not 1024 */ -#endif - -#define BLK_BITS (WCNT * 64) /* some useful definitions for code here */ -#define KW_TWK_BASE (0) -#define KW_KEY_BASE (3) -#define ks (kw + KW_KEY_BASE) -#define ts (kw + KW_TWK_BASE) - -#ifdef SKEIN_DEBUG -#define DebugSaveTweak(ctx) \ - { \ - ctx->h.T[0] = ts[0]; \ - ctx->h.T[1] = ts[1]; \ - } -#else -#define DebugSaveTweak(ctx) -#endif - -/***************************** Skein_256 ******************************/ -#if !(SKEIN_USE_ASM & 256) -static void Skein_256_Process_Block( - Skein_256_Ctxt_t* ctx, - const u08b_t* blkPtr, - size_t blkCnt, - size_t byteCntAdd) { /* do it in C */ - enum { WCNT = SKEIN_256_STATE_WORDS }; -#undef RCNT -#define RCNT (SKEIN_256_ROUNDS_TOTAL / 8) - -#ifdef SKEIN_LOOP /* configure how much to unroll the loop */ -#define SKEIN_UNROLL_256 (((SKEIN_LOOP) / 100) % 10) -#else -#define SKEIN_UNROLL_256 (0) -#endif - -#if SKEIN_UNROLL_256 -#if (RCNT % SKEIN_UNROLL_256) -#error "Invalid SKEIN_UNROLL_256" /* sanity check on unroll count */ -#endif - size_t r; - u64b_t kw[WCNT + 4 + RCNT * 2]; /* key schedule words : chaining vars + tweak + "rotation"*/ -#else - u64b_t kw[WCNT + 4]; /* key schedule words : chaining vars + tweak */ -#endif - u64b_t X0, X1, X2, X3; /* local copy of context vars, for speed */ - u64b_t w[WCNT]; /* local copy of input block */ -#ifdef SKEIN_DEBUG - const u64b_t* Xptr[4]; /* use for debugging (help compiler put Xn in registers) */ - Xptr[0] = &X0; - Xptr[1] = &X1; - Xptr[2] = &X2; - Xptr[3] = &X3; -#endif - Skein_assert(blkCnt != 0); /* never call with blkCnt == 0! */ - ts[0] = ctx->h.T[0]; - ts[1] = ctx->h.T[1]; - do { - /* this implementation only supports 2**64 input bytes (no carry out here) */ - ts[0] += byteCntAdd; /* update processed length */ - - /* precompute the key schedule for this block */ - ks[0] = ctx->X[0]; - ks[1] = ctx->X[1]; - ks[2] = ctx->X[2]; - ks[3] = ctx->X[3]; - ks[4] = ks[0] ^ ks[1] ^ ks[2] ^ ks[3] ^ SKEIN_KS_PARITY; - - ts[2] = ts[0] ^ ts[1]; - - Skein_Get64_LSB_First(w, blkPtr, WCNT); /* get input block in little-endian format */ - DebugSaveTweak(ctx); - Skein_Show_Block(BLK_BITS, &ctx->h, ctx->X, blkPtr, w, ks, ts); - - X0 = w[0] + ks[0]; /* do the first full key injection */ - X1 = w[1] + ks[1] + ts[0]; - X2 = w[2] + ks[2] + ts[1]; - X3 = w[3] + ks[3]; - - Skein_Show_R_Ptr( - BLK_BITS, &ctx->h, SKEIN_RND_KEY_INITIAL, Xptr); /* show starting state values */ - - blkPtr += SKEIN_256_BLOCK_BYTES; - - /* run the rounds */ - -#define Round256(p0, p1, p2, p3, ROT, rNum) \ - X##p0 += X##p1; \ - X##p1 = RotL_64(X##p1, ROT##_0); \ - X##p1 ^= X##p0; \ - X##p2 += X##p3; \ - X##p3 = RotL_64(X##p3, ROT##_1); \ - X##p3 ^= X##p2; - -#if SKEIN_UNROLL_256 == 0 -#define R256(p0, p1, p2, p3, ROT, rNum) /* fully unrolled */ \ - Round256(p0, p1, p2, p3, ROT, rNum) Skein_Show_R_Ptr(BLK_BITS, &ctx->h, rNum, Xptr); - -#define I256(R) \ - X0 += ks[((R) + 1) % 5]; /* inject the key schedule value */ \ - X1 += ks[((R) + 2) % 5] + ts[((R) + 1) % 3]; \ - X2 += ks[((R) + 3) % 5] + ts[((R) + 2) % 3]; \ - X3 += ks[((R) + 4) % 5] + (R) + 1; \ - Skein_Show_R_Ptr(BLK_BITS, &ctx->h, SKEIN_RND_KEY_INJECT, Xptr); -#else /* looping version */ -#define R256(p0, p1, p2, p3, ROT, rNum) \ - Round256(p0, p1, p2, p3, ROT, rNum) \ - Skein_Show_R_Ptr(BLK_BITS, &ctx->h, 4 * (r - 1) + rNum, Xptr); - -#define I256(R) \ - X0 += ks[r + (R) + 0]; /* inject the key schedule value */ \ - X1 += ks[r + (R) + 1] + ts[r + (R) + 0]; \ - X2 += ks[r + (R) + 2] + ts[r + (R) + 1]; \ - X3 += ks[r + (R) + 3] + r + (R); \ - ks[r + (R) + 4] = ks[r + (R)-1]; /* rotate key schedule */ \ - ts[r + (R) + 2] = ts[r + (R)-1]; \ - Skein_Show_R_Ptr(BLK_BITS, &ctx->h, SKEIN_RND_KEY_INJECT, Xptr); - - for (r = 1; r < 2 * RCNT; r += 2 * SKEIN_UNROLL_256) /* loop thru it */ -#endif - { -#define R256_8_rounds(R) \ - R256(0, 1, 2, 3, R_256_0, 8 * (R) + 1); \ - R256(0, 3, 2, 1, R_256_1, 8 * (R) + 2); \ - R256(0, 1, 2, 3, R_256_2, 8 * (R) + 3); \ - R256(0, 3, 2, 1, R_256_3, 8 * (R) + 4); \ - I256(2 * (R)); \ - R256(0, 1, 2, 3, R_256_4, 8 * (R) + 5); \ - R256(0, 3, 2, 1, R_256_5, 8 * (R) + 6); \ - R256(0, 1, 2, 3, R_256_6, 8 * (R) + 7); \ - R256(0, 3, 2, 1, R_256_7, 8 * (R) + 8); \ - I256(2 * (R) + 1); - - R256_8_rounds(0); - -#define R256_Unroll_R(NN) \ - ((SKEIN_UNROLL_256 == 0 && SKEIN_256_ROUNDS_TOTAL / 8 > (NN)) || (SKEIN_UNROLL_256 > (NN))) - -#if R256_Unroll_R(1) - R256_8_rounds(1); -#endif -#if R256_Unroll_R(2) - R256_8_rounds(2); -#endif -#if R256_Unroll_R(3) - R256_8_rounds(3); -#endif -#if R256_Unroll_R(4) - R256_8_rounds(4); -#endif -#if R256_Unroll_R(5) - R256_8_rounds(5); -#endif -#if R256_Unroll_R(6) - R256_8_rounds(6); -#endif -#if R256_Unroll_R(7) - R256_8_rounds(7); -#endif -#if R256_Unroll_R(8) - R256_8_rounds(8); -#endif -#if R256_Unroll_R(9) - R256_8_rounds(9); -#endif -#if R256_Unroll_R(10) - R256_8_rounds(10); -#endif -#if R256_Unroll_R(11) - R256_8_rounds(11); -#endif -#if R256_Unroll_R(12) - R256_8_rounds(12); -#endif -#if R256_Unroll_R(13) - R256_8_rounds(13); -#endif -#if R256_Unroll_R(14) - R256_8_rounds(14); -#endif -#if (SKEIN_UNROLL_256 > 14) -#error "need more unrolling in Skein_256_Process_Block" -#endif - } - /* do the final "feedforward" xor, update context chaining vars */ - ctx->X[0] = X0 ^ w[0]; - ctx->X[1] = X1 ^ w[1]; - ctx->X[2] = X2 ^ w[2]; - ctx->X[3] = X3 ^ w[3]; - - Skein_Show_Round(BLK_BITS, &ctx->h, SKEIN_RND_FEED_FWD, ctx->X); - - ts[1] &= ~SKEIN_T1_FLAG_FIRST; - } while (--blkCnt); - ctx->h.T[0] = ts[0]; - ctx->h.T[1] = ts[1]; -} - -#if defined(SKEIN_CODE_SIZE) || defined(SKEIN_PERF) -static size_t Skein_256_Process_Block_CodeSize(void) { - return ((u08b_t*)Skein_256_Process_Block_CodeSize) - ((u08b_t*)Skein_256_Process_Block); -} -static uint_t Skein_256_Unroll_Cnt(void) { - return SKEIN_UNROLL_256; -} -#endif -#endif - -/***************************** Skein_512 ******************************/ -#if !(SKEIN_USE_ASM & 512) -static void Skein_512_Process_Block( - Skein_512_Ctxt_t* ctx, - const u08b_t* blkPtr, - size_t blkCnt, - size_t byteCntAdd) { /* do it in C */ - enum { WCNT = SKEIN_512_STATE_WORDS }; -#undef RCNT -#define RCNT (SKEIN_512_ROUNDS_TOTAL / 8) - -#ifdef SKEIN_LOOP /* configure how much to unroll the loop */ -#define SKEIN_UNROLL_512 (((SKEIN_LOOP) / 10) % 10) -#else -#define SKEIN_UNROLL_512 (0) -#endif - -#if SKEIN_UNROLL_512 -#if (RCNT % SKEIN_UNROLL_512) -#error "Invalid SKEIN_UNROLL_512" /* sanity check on unroll count */ -#endif - size_t r; - u64b_t kw[WCNT + 4 + RCNT * 2]; /* key schedule words : chaining vars + tweak + "rotation"*/ -#else - u64b_t kw[WCNT + 4]; /* key schedule words : chaining vars + tweak */ -#endif - u64b_t X0, X1, X2, X3, X4, X5, X6, X7; /* local copy of vars, for speed */ - u64b_t w[WCNT]; /* local copy of input block */ -#ifdef SKEIN_DEBUG - const u64b_t* Xptr[8]; /* use for debugging (help compiler put Xn in registers) */ - Xptr[0] = &X0; - Xptr[1] = &X1; - Xptr[2] = &X2; - Xptr[3] = &X3; - Xptr[4] = &X4; - Xptr[5] = &X5; - Xptr[6] = &X6; - Xptr[7] = &X7; -#endif - - Skein_assert(blkCnt != 0); /* never call with blkCnt == 0! */ - ts[0] = ctx->h.T[0]; - ts[1] = ctx->h.T[1]; - do { - /* this implementation only supports 2**64 input bytes (no carry out here) */ - ts[0] += byteCntAdd; /* update processed length */ - - /* precompute the key schedule for this block */ - ks[0] = ctx->X[0]; - ks[1] = ctx->X[1]; - ks[2] = ctx->X[2]; - ks[3] = ctx->X[3]; - ks[4] = ctx->X[4]; - ks[5] = ctx->X[5]; - ks[6] = ctx->X[6]; - ks[7] = ctx->X[7]; - ks[8] = ks[0] ^ ks[1] ^ ks[2] ^ ks[3] ^ ks[4] ^ ks[5] ^ ks[6] ^ ks[7] ^ SKEIN_KS_PARITY; - - ts[2] = ts[0] ^ ts[1]; - - Skein_Get64_LSB_First(w, blkPtr, WCNT); /* get input block in little-endian format */ - DebugSaveTweak(ctx); - Skein_Show_Block(BLK_BITS, &ctx->h, ctx->X, blkPtr, w, ks, ts); - - X0 = w[0] + ks[0]; /* do the first full key injection */ - X1 = w[1] + ks[1]; - X2 = w[2] + ks[2]; - X3 = w[3] + ks[3]; - X4 = w[4] + ks[4]; - X5 = w[5] + ks[5] + ts[0]; - X6 = w[6] + ks[6] + ts[1]; - X7 = w[7] + ks[7]; - - blkPtr += SKEIN_512_BLOCK_BYTES; - - Skein_Show_R_Ptr(BLK_BITS, &ctx->h, SKEIN_RND_KEY_INITIAL, Xptr); - /* run the rounds */ -#define Round512(p0, p1, p2, p3, p4, p5, p6, p7, ROT, rNum) \ - X##p0 += X##p1; \ - X##p1 = RotL_64(X##p1, ROT##_0); \ - X##p1 ^= X##p0; \ - X##p2 += X##p3; \ - X##p3 = RotL_64(X##p3, ROT##_1); \ - X##p3 ^= X##p2; \ - X##p4 += X##p5; \ - X##p5 = RotL_64(X##p5, ROT##_2); \ - X##p5 ^= X##p4; \ - X##p6 += X##p7; \ - X##p7 = RotL_64(X##p7, ROT##_3); \ - X##p7 ^= X##p6; - -#if SKEIN_UNROLL_512 == 0 -#define R512(p0, p1, p2, p3, p4, p5, p6, p7, ROT, rNum) /* unrolled */ \ - Round512(p0, p1, p2, p3, p4, p5, p6, p7, ROT, rNum) \ - Skein_Show_R_Ptr(BLK_BITS, &ctx->h, rNum, Xptr); - -#define I512(R) \ - X0 += ks[((R) + 1) % 9]; /* inject the key schedule value */ \ - X1 += ks[((R) + 2) % 9]; \ - X2 += ks[((R) + 3) % 9]; \ - X3 += ks[((R) + 4) % 9]; \ - X4 += ks[((R) + 5) % 9]; \ - X5 += ks[((R) + 6) % 9] + ts[((R) + 1) % 3]; \ - X6 += ks[((R) + 7) % 9] + ts[((R) + 2) % 3]; \ - X7 += ks[((R) + 8) % 9] + (R) + 1; \ - Skein_Show_R_Ptr(BLK_BITS, &ctx->h, SKEIN_RND_KEY_INJECT, Xptr); -#else /* looping version */ -#define R512(p0, p1, p2, p3, p4, p5, p6, p7, ROT, rNum) \ - Round512(p0, p1, p2, p3, p4, p5, p6, p7, ROT, rNum) \ - Skein_Show_R_Ptr(BLK_BITS, &ctx->h, 4 * (r - 1) + rNum, Xptr); - -#define I512(R) \ - X0 += ks[r + (R) + 0]; /* inject the key schedule value */ \ - X1 += ks[r + (R) + 1]; \ - X2 += ks[r + (R) + 2]; \ - X3 += ks[r + (R) + 3]; \ - X4 += ks[r + (R) + 4]; \ - X5 += ks[r + (R) + 5] + ts[r + (R) + 0]; \ - X6 += ks[r + (R) + 6] + ts[r + (R) + 1]; \ - X7 += ks[r + (R) + 7] + r + (R); \ - ks[r + (R) + 8] = ks[r + (R)-1]; /* rotate key schedule */ \ - ts[r + (R) + 2] = ts[r + (R)-1]; \ - Skein_Show_R_Ptr(BLK_BITS, &ctx->h, SKEIN_RND_KEY_INJECT, Xptr); - - for (r = 1; r < 2 * RCNT; r += 2 * SKEIN_UNROLL_512) /* loop thru it */ -#endif /* end of looped code definitions */ - { -#define R512_8_rounds(R) /* do 8 full rounds */ \ - R512(0, 1, 2, 3, 4, 5, 6, 7, R_512_0, 8 * (R) + 1); \ - R512(2, 1, 4, 7, 6, 5, 0, 3, R_512_1, 8 * (R) + 2); \ - R512(4, 1, 6, 3, 0, 5, 2, 7, R_512_2, 8 * (R) + 3); \ - R512(6, 1, 0, 7, 2, 5, 4, 3, R_512_3, 8 * (R) + 4); \ - I512(2 * (R)); \ - R512(0, 1, 2, 3, 4, 5, 6, 7, R_512_4, 8 * (R) + 5); \ - R512(2, 1, 4, 7, 6, 5, 0, 3, R_512_5, 8 * (R) + 6); \ - R512(4, 1, 6, 3, 0, 5, 2, 7, R_512_6, 8 * (R) + 7); \ - R512(6, 1, 0, 7, 2, 5, 4, 3, R_512_7, 8 * (R) + 8); \ - I512(2 * (R) + 1); /* and key injection */ - - R512_8_rounds(0); - -#define R512_Unroll_R(NN) \ - ((SKEIN_UNROLL_512 == 0 && SKEIN_512_ROUNDS_TOTAL / 8 > (NN)) || (SKEIN_UNROLL_512 > (NN))) - -#if R512_Unroll_R(1) - R512_8_rounds(1); -#endif -#if R512_Unroll_R(2) - R512_8_rounds(2); -#endif -#if R512_Unroll_R(3) - R512_8_rounds(3); -#endif -#if R512_Unroll_R(4) - R512_8_rounds(4); -#endif -#if R512_Unroll_R(5) - R512_8_rounds(5); -#endif -#if R512_Unroll_R(6) - R512_8_rounds(6); -#endif -#if R512_Unroll_R(7) - R512_8_rounds(7); -#endif -#if R512_Unroll_R(8) - R512_8_rounds(8); -#endif -#if R512_Unroll_R(9) - R512_8_rounds(9); -#endif -#if R512_Unroll_R(10) - R512_8_rounds(10); -#endif -#if R512_Unroll_R(11) - R512_8_rounds(11); -#endif -#if R512_Unroll_R(12) - R512_8_rounds(12); -#endif -#if R512_Unroll_R(13) - R512_8_rounds(13); -#endif -#if R512_Unroll_R(14) - R512_8_rounds(14); -#endif -#if (SKEIN_UNROLL_512 > 14) -#error "need more unrolling in Skein_512_Process_Block" -#endif - } - - /* do the final "feedforward" xor, update context chaining vars */ - ctx->X[0] = X0 ^ w[0]; - ctx->X[1] = X1 ^ w[1]; - ctx->X[2] = X2 ^ w[2]; - ctx->X[3] = X3 ^ w[3]; - ctx->X[4] = X4 ^ w[4]; - ctx->X[5] = X5 ^ w[5]; - ctx->X[6] = X6 ^ w[6]; - ctx->X[7] = X7 ^ w[7]; - Skein_Show_Round(BLK_BITS, &ctx->h, SKEIN_RND_FEED_FWD, ctx->X); - - ts[1] &= ~SKEIN_T1_FLAG_FIRST; - } while (--blkCnt); - ctx->h.T[0] = ts[0]; - ctx->h.T[1] = ts[1]; -} - -#if defined(SKEIN_CODE_SIZE) || defined(SKEIN_PERF) -static size_t Skein_512_Process_Block_CodeSize(void) { - return ((u08b_t*)Skein_512_Process_Block_CodeSize) - ((u08b_t*)Skein_512_Process_Block); -} -static uint_t Skein_512_Unroll_Cnt(void) { - return SKEIN_UNROLL_512; -} -#endif -#endif - -/***************************** Skein1024 ******************************/ -#if !(SKEIN_USE_ASM & 1024) -static void Skein1024_Process_Block( - Skein1024_Ctxt_t* ctx, - const u08b_t* blkPtr, - size_t blkCnt, - size_t byteCntAdd) { /* do it in C, always looping (unrolled is bigger AND slower!) */ - enum { WCNT = SKEIN1024_STATE_WORDS }; -#undef RCNT -#define RCNT (SKEIN1024_ROUNDS_TOTAL / 8) - -#ifdef SKEIN_LOOP /* configure how much to unroll the loop */ -#define SKEIN_UNROLL_1024 ((SKEIN_LOOP) % 10) -#else -#define SKEIN_UNROLL_1024 (0) -#endif - -#if (SKEIN_UNROLL_1024 != 0) -#if (RCNT % SKEIN_UNROLL_1024) -#error "Invalid SKEIN_UNROLL_1024" /* sanity check on unroll count */ -#endif - size_t r; - u64b_t kw[WCNT + 4 + RCNT * 2]; /* key schedule words : chaining vars + tweak + "rotation"*/ -#else - u64b_t kw[WCNT + 4]; /* key schedule words : chaining vars + tweak */ -#endif - - u64b_t X00, X01, X02, X03, X04, X05, X06, X07, /* local copy of vars, for speed */ - X08, X09, X10, X11, X12, X13, X14, X15; - u64b_t w[WCNT]; /* local copy of input block */ -#ifdef SKEIN_DEBUG - const u64b_t* Xptr[16]; /* use for debugging (help compiler put Xn in registers) */ - Xptr[0] = &X00; - Xptr[1] = &X01; - Xptr[2] = &X02; - Xptr[3] = &X03; - Xptr[4] = &X04; - Xptr[5] = &X05; - Xptr[6] = &X06; - Xptr[7] = &X07; - Xptr[8] = &X08; - Xptr[9] = &X09; - Xptr[10] = &X10; - Xptr[11] = &X11; - Xptr[12] = &X12; - Xptr[13] = &X13; - Xptr[14] = &X14; - Xptr[15] = &X15; -#endif - - Skein_assert(blkCnt != 0); /* never call with blkCnt == 0! */ - ts[0] = ctx->h.T[0]; - ts[1] = ctx->h.T[1]; - do { - /* this implementation only supports 2**64 input bytes (no carry out here) */ - ts[0] += byteCntAdd; /* update processed length */ - - /* precompute the key schedule for this block */ - ks[0] = ctx->X[0]; - ks[1] = ctx->X[1]; - ks[2] = ctx->X[2]; - ks[3] = ctx->X[3]; - ks[4] = ctx->X[4]; - ks[5] = ctx->X[5]; - ks[6] = ctx->X[6]; - ks[7] = ctx->X[7]; - ks[8] = ctx->X[8]; - ks[9] = ctx->X[9]; - ks[10] = ctx->X[10]; - ks[11] = ctx->X[11]; - ks[12] = ctx->X[12]; - ks[13] = ctx->X[13]; - ks[14] = ctx->X[14]; - ks[15] = ctx->X[15]; - ks[16] = ks[0] ^ ks[1] ^ ks[2] ^ ks[3] ^ ks[4] ^ ks[5] ^ ks[6] ^ ks[7] ^ ks[8] ^ ks[9] ^ - ks[10] ^ ks[11] ^ ks[12] ^ ks[13] ^ ks[14] ^ ks[15] ^ SKEIN_KS_PARITY; - - ts[2] = ts[0] ^ ts[1]; - - Skein_Get64_LSB_First(w, blkPtr, WCNT); /* get input block in little-endian format */ - DebugSaveTweak(ctx); - Skein_Show_Block(BLK_BITS, &ctx->h, ctx->X, blkPtr, w, ks, ts); - - X00 = w[0] + ks[0]; /* do the first full key injection */ - X01 = w[1] + ks[1]; - X02 = w[2] + ks[2]; - X03 = w[3] + ks[3]; - X04 = w[4] + ks[4]; - X05 = w[5] + ks[5]; - X06 = w[6] + ks[6]; - X07 = w[7] + ks[7]; - X08 = w[8] + ks[8]; - X09 = w[9] + ks[9]; - X10 = w[10] + ks[10]; - X11 = w[11] + ks[11]; - X12 = w[12] + ks[12]; - X13 = w[13] + ks[13] + ts[0]; - X14 = w[14] + ks[14] + ts[1]; - X15 = w[15] + ks[15]; - - Skein_Show_R_Ptr(BLK_BITS, &ctx->h, SKEIN_RND_KEY_INITIAL, Xptr); - -#define Round1024(p0, p1, p2, p3, p4, p5, p6, p7, p8, p9, pA, pB, pC, pD, pE, pF, ROT, rNum) \ - X##p0 += X##p1; \ - X##p1 = RotL_64(X##p1, ROT##_0); \ - X##p1 ^= X##p0; \ - X##p2 += X##p3; \ - X##p3 = RotL_64(X##p3, ROT##_1); \ - X##p3 ^= X##p2; \ - X##p4 += X##p5; \ - X##p5 = RotL_64(X##p5, ROT##_2); \ - X##p5 ^= X##p4; \ - X##p6 += X##p7; \ - X##p7 = RotL_64(X##p7, ROT##_3); \ - X##p7 ^= X##p6; \ - X##p8 += X##p9; \ - X##p9 = RotL_64(X##p9, ROT##_4); \ - X##p9 ^= X##p8; \ - X##pA += X##pB; \ - X##pB = RotL_64(X##pB, ROT##_5); \ - X##pB ^= X##pA; \ - X##pC += X##pD; \ - X##pD = RotL_64(X##pD, ROT##_6); \ - X##pD ^= X##pC; \ - X##pE += X##pF; \ - X##pF = RotL_64(X##pF, ROT##_7); \ - X##pF ^= X##pE; - -#if SKEIN_UNROLL_1024 == 0 -#define R1024(p0, p1, p2, p3, p4, p5, p6, p7, p8, p9, pA, pB, pC, pD, pE, pF, ROT, rn) \ - Round1024(p0, p1, p2, p3, p4, p5, p6, p7, p8, p9, pA, pB, pC, pD, pE, pF, ROT, rn) \ - Skein_Show_R_Ptr(BLK_BITS, &ctx->h, rn, Xptr); - -#define I1024(R) \ - X00 += ks[((R) + 1) % 17]; /* inject the key schedule value */ \ - X01 += ks[((R) + 2) % 17]; \ - X02 += ks[((R) + 3) % 17]; \ - X03 += ks[((R) + 4) % 17]; \ - X04 += ks[((R) + 5) % 17]; \ - X05 += ks[((R) + 6) % 17]; \ - X06 += ks[((R) + 7) % 17]; \ - X07 += ks[((R) + 8) % 17]; \ - X08 += ks[((R) + 9) % 17]; \ - X09 += ks[((R) + 10) % 17]; \ - X10 += ks[((R) + 11) % 17]; \ - X11 += ks[((R) + 12) % 17]; \ - X12 += ks[((R) + 13) % 17]; \ - X13 += ks[((R) + 14) % 17] + ts[((R) + 1) % 3]; \ - X14 += ks[((R) + 15) % 17] + ts[((R) + 2) % 3]; \ - X15 += ks[((R) + 16) % 17] + (R) + 1; \ - Skein_Show_R_Ptr(BLK_BITS, &ctx->h, SKEIN_RND_KEY_INJECT, Xptr); -#else /* looping version */ -#define R1024(p0, p1, p2, p3, p4, p5, p6, p7, p8, p9, pA, pB, pC, pD, pE, pF, ROT, rn) \ - Round1024(p0, p1, p2, p3, p4, p5, p6, p7, p8, p9, pA, pB, pC, pD, pE, pF, ROT, rn) \ - Skein_Show_R_Ptr(BLK_BITS, &ctx->h, 4 * (r - 1) + rn, Xptr); - -#define I1024(R) \ - X00 += ks[r + (R) + 0]; /* inject the key schedule value */ \ - X01 += ks[r + (R) + 1]; \ - X02 += ks[r + (R) + 2]; \ - X03 += ks[r + (R) + 3]; \ - X04 += ks[r + (R) + 4]; \ - X05 += ks[r + (R) + 5]; \ - X06 += ks[r + (R) + 6]; \ - X07 += ks[r + (R) + 7]; \ - X08 += ks[r + (R) + 8]; \ - X09 += ks[r + (R) + 9]; \ - X10 += ks[r + (R) + 10]; \ - X11 += ks[r + (R) + 11]; \ - X12 += ks[r + (R) + 12]; \ - X13 += ks[r + (R) + 13] + ts[r + (R) + 0]; \ - X14 += ks[r + (R) + 14] + ts[r + (R) + 1]; \ - X15 += ks[r + (R) + 15] + r + (R); \ - ks[r + (R) + 16] = ks[r + (R)-1]; /* rotate key schedule */ \ - ts[r + (R) + 2] = ts[r + (R)-1]; \ - Skein_Show_R_Ptr(BLK_BITS, &ctx->h, SKEIN_RND_KEY_INJECT, Xptr); - - for (r = 1; r <= 2 * RCNT; r += 2 * SKEIN_UNROLL_1024) /* loop thru it */ -#endif - { -#define R1024_8_rounds(R) /* do 8 full rounds */ \ - R1024(00, 01, 02, 03, 04, 05, 06, 07, 08, 09, 10, 11, 12, 13, 14, 15, R1024_0, 8 * (R) + 1); \ - R1024(00, 09, 02, 13, 06, 11, 04, 15, 10, 07, 12, 03, 14, 05, 08, 01, R1024_1, 8 * (R) + 2); \ - R1024(00, 07, 02, 05, 04, 03, 06, 01, 12, 15, 14, 13, 08, 11, 10, 09, R1024_2, 8 * (R) + 3); \ - R1024(00, 15, 02, 11, 06, 13, 04, 09, 14, 01, 08, 05, 10, 03, 12, 07, R1024_3, 8 * (R) + 4); \ - I1024(2 * (R)); \ - R1024(00, 01, 02, 03, 04, 05, 06, 07, 08, 09, 10, 11, 12, 13, 14, 15, R1024_4, 8 * (R) + 5); \ - R1024(00, 09, 02, 13, 06, 11, 04, 15, 10, 07, 12, 03, 14, 05, 08, 01, R1024_5, 8 * (R) + 6); \ - R1024(00, 07, 02, 05, 04, 03, 06, 01, 12, 15, 14, 13, 08, 11, 10, 09, R1024_6, 8 * (R) + 7); \ - R1024(00, 15, 02, 11, 06, 13, 04, 09, 14, 01, 08, 05, 10, 03, 12, 07, R1024_7, 8 * (R) + 8); \ - I1024(2 * (R) + 1); - - R1024_8_rounds(0); - -#define R1024_Unroll_R(NN) \ - ((SKEIN_UNROLL_1024 == 0 && SKEIN1024_ROUNDS_TOTAL / 8 > (NN)) || (SKEIN_UNROLL_1024 > (NN))) - -#if R1024_Unroll_R(1) - R1024_8_rounds(1); -#endif -#if R1024_Unroll_R(2) - R1024_8_rounds(2); -#endif -#if R1024_Unroll_R(3) - R1024_8_rounds(3); -#endif -#if R1024_Unroll_R(4) - R1024_8_rounds(4); -#endif -#if R1024_Unroll_R(5) - R1024_8_rounds(5); -#endif -#if R1024_Unroll_R(6) - R1024_8_rounds(6); -#endif -#if R1024_Unroll_R(7) - R1024_8_rounds(7); -#endif -#if R1024_Unroll_R(8) - R1024_8_rounds(8); -#endif -#if R1024_Unroll_R(9) - R1024_8_rounds(9); -#endif -#if R1024_Unroll_R(10) - R1024_8_rounds(10); -#endif -#if R1024_Unroll_R(11) - R1024_8_rounds(11); -#endif -#if R1024_Unroll_R(12) - R1024_8_rounds(12); -#endif -#if R1024_Unroll_R(13) - R1024_8_rounds(13); -#endif -#if R1024_Unroll_R(14) - R1024_8_rounds(14); -#endif -#if (SKEIN_UNROLL_1024 > 14) -#error "need more unrolling in Skein_1024_Process_Block" -#endif - } - /* do the final "feedforward" xor, update context chaining vars */ - - ctx->X[0] = X00 ^ w[0]; - ctx->X[1] = X01 ^ w[1]; - ctx->X[2] = X02 ^ w[2]; - ctx->X[3] = X03 ^ w[3]; - ctx->X[4] = X04 ^ w[4]; - ctx->X[5] = X05 ^ w[5]; - ctx->X[6] = X06 ^ w[6]; - ctx->X[7] = X07 ^ w[7]; - ctx->X[8] = X08 ^ w[8]; - ctx->X[9] = X09 ^ w[9]; - ctx->X[10] = X10 ^ w[10]; - ctx->X[11] = X11 ^ w[11]; - ctx->X[12] = X12 ^ w[12]; - ctx->X[13] = X13 ^ w[13]; - ctx->X[14] = X14 ^ w[14]; - ctx->X[15] = X15 ^ w[15]; - - Skein_Show_Round(BLK_BITS, &ctx->h, SKEIN_RND_FEED_FWD, ctx->X); - - ts[1] &= ~SKEIN_T1_FLAG_FIRST; - blkPtr += SKEIN1024_BLOCK_BYTES; - } while (--blkCnt); - ctx->h.T[0] = ts[0]; - ctx->h.T[1] = ts[1]; -} - -#if defined(SKEIN_CODE_SIZE) || defined(SKEIN_PERF) -static size_t Skein1024_Process_Block_CodeSize(void) { - return ((u08b_t*)Skein1024_Process_Block_CodeSize) - ((u08b_t*)Skein1024_Process_Block); -} -static uint_t Skein1024_Unroll_Cnt(void) { - return SKEIN_UNROLL_1024; -} -#endif -#endif - -#if 0 -/*****************************************************************/ -/* 256-bit Skein */ -/*****************************************************************/ - -/*++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++*/ -/* init the context for a straight hashing operation */ -static int Skein_256_Init(Skein_256_Ctxt_t *ctx, size_t hashBitLen) - { - union - { - u08b_t b[SKEIN_256_STATE_BYTES]; - u64b_t w[SKEIN_256_STATE_WORDS]; - } cfg; /* config block */ - - Skein_Assert(hashBitLen > 0,SKEIN_BAD_HASHLEN); - ctx->h.hashBitLen = hashBitLen; /* output hash bit count */ - - switch (hashBitLen) - { /* use pre-computed values, where available */ -#ifndef SKEIN_NO_PRECOMP - case 256: memcpy(ctx->X,SKEIN_256_IV_256,sizeof(ctx->X)); break; - case 224: memcpy(ctx->X,SKEIN_256_IV_224,sizeof(ctx->X)); break; - case 160: memcpy(ctx->X,SKEIN_256_IV_160,sizeof(ctx->X)); break; - case 128: memcpy(ctx->X,SKEIN_256_IV_128,sizeof(ctx->X)); break; -#endif - default: - /* here if there is no precomputed IV value available */ - /* build/process the config block, type == CONFIG (could be precomputed) */ - Skein_Start_New_Type(ctx,CFG_FINAL); /* set tweaks: T0=0; T1=CFG | FINAL */ - - cfg.w[0] = Skein_Swap64(SKEIN_SCHEMA_VER); /* set the schema, version */ - cfg.w[1] = Skein_Swap64(hashBitLen); /* hash result length in bits */ - cfg.w[2] = Skein_Swap64(SKEIN_CFG_TREE_INFO_SEQUENTIAL); - memset(&cfg.w[3],0,sizeof(cfg) - 3*sizeof(cfg.w[0])); /* zero pad config block */ - - /* compute the initial chaining values from config block */ - memset(ctx->X,0,sizeof(ctx->X)); /* zero the chaining variables */ - Skein_256_Process_Block(ctx,cfg.b,1,SKEIN_CFG_STR_LEN); - break; - } - /* The chaining vars ctx->X are now initialized for the given hashBitLen. */ - /* Set up to process the data message portion of the hash (default) */ - Skein_Start_New_Type(ctx,MSG); /* T0=0, T1= MSG type */ - - return SKEIN_SUCCESS; - } - -/*++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++*/ -/* init the context for a MAC and/or tree hash operation */ -/* [identical to Skein_256_Init() when keyBytes == 0 && treeInfo == SKEIN_CFG_TREE_INFO_SEQUENTIAL] */ -static int Skein_256_InitExt(Skein_256_Ctxt_t *ctx,size_t hashBitLen,u64b_t treeInfo, const u08b_t *key, size_t keyBytes) - { - union - { - u08b_t b[SKEIN_256_STATE_BYTES]; - u64b_t w[SKEIN_256_STATE_WORDS]; - } cfg; /* config block */ - - Skein_Assert(hashBitLen > 0,SKEIN_BAD_HASHLEN); - Skein_Assert(keyBytes == 0 || key != NULL,SKEIN_FAIL); - - /* compute the initial chaining values ctx->X[], based on key */ - if (keyBytes == 0) /* is there a key? */ - { - memset(ctx->X,0,sizeof(ctx->X)); /* no key: use all zeroes as key for config block */ - } - else /* here to pre-process a key */ - { - Skein_assert(sizeof(cfg.b) >= sizeof(ctx->X)); - /* do a mini-Init right here */ - ctx->h.hashBitLen=8*sizeof(ctx->X); /* set output hash bit count = state size */ - Skein_Start_New_Type(ctx,KEY); /* set tweaks: T0 = 0; T1 = KEY type */ - memset(ctx->X,0,sizeof(ctx->X)); /* zero the initial chaining variables */ - Skein_256_Update(ctx,key,keyBytes); /* hash the key */ - Skein_256_Final_Pad(ctx,cfg.b); /* put result into cfg.b[] */ - memcpy(ctx->X,cfg.b,sizeof(cfg.b)); /* copy over into ctx->X[] */ -#if SKEIN_NEED_SWAP - { - uint_t i; - for (i=0;iX[i] = Skein_Swap64(ctx->X[i]); - } -#endif - } - /* build/process the config block, type == CONFIG (could be precomputed for each key) */ - ctx->h.hashBitLen = hashBitLen; /* output hash bit count */ - Skein_Start_New_Type(ctx,CFG_FINAL); - - memset(&cfg.w,0,sizeof(cfg.w)); /* pre-pad cfg.w[] with zeroes */ - cfg.w[0] = Skein_Swap64(SKEIN_SCHEMA_VER); - cfg.w[1] = Skein_Swap64(hashBitLen); /* hash result length in bits */ - cfg.w[2] = Skein_Swap64(treeInfo); /* tree hash config info (or SKEIN_CFG_TREE_INFO_SEQUENTIAL) */ - - Skein_Show_Key(256,&ctx->h,key,keyBytes); - - /* compute the initial chaining values from config block */ - Skein_256_Process_Block(ctx,cfg.b,1,SKEIN_CFG_STR_LEN); - - /* The chaining vars ctx->X are now initialized */ - /* Set up to process the data message portion of the hash (default) */ - ctx->h.bCnt = 0; /* buffer b[] starts out empty */ - Skein_Start_New_Type(ctx,MSG); - - return SKEIN_SUCCESS; - } -#endif - -/*++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++*/ -/* process the input bytes */ -static int Skein_256_Update(Skein_256_Ctxt_t* ctx, const u08b_t* msg, size_t msgByteCnt) { - size_t n; - - Skein_Assert( - ctx->h.bCnt <= SKEIN_256_BLOCK_BYTES, SKEIN_FAIL); /* catch uninitialized context */ - - /* process full blocks, if any */ - if (msgByteCnt + ctx->h.bCnt > SKEIN_256_BLOCK_BYTES) { - if (ctx->h.bCnt) /* finish up any buffered message data */ - { - n = SKEIN_256_BLOCK_BYTES - ctx->h.bCnt; /* # bytes free in buffer b[] */ - if (n) { - Skein_assert(n < msgByteCnt); /* check on our logic here */ - memcpy(&ctx->b[ctx->h.bCnt], msg, n); - msgByteCnt -= n; - msg += n; - ctx->h.bCnt += n; - } - Skein_assert(ctx->h.bCnt == SKEIN_256_BLOCK_BYTES); - Skein_256_Process_Block(ctx, ctx->b, 1, SKEIN_256_BLOCK_BYTES); - ctx->h.bCnt = 0; - } - /* now process any remaining full blocks, directly from input message data */ - if (msgByteCnt > SKEIN_256_BLOCK_BYTES) { - n = (msgByteCnt - 1) / SKEIN_256_BLOCK_BYTES; /* number of full blocks to process */ - Skein_256_Process_Block(ctx, msg, n, SKEIN_256_BLOCK_BYTES); - msgByteCnt -= n * SKEIN_256_BLOCK_BYTES; - msg += n * SKEIN_256_BLOCK_BYTES; - } - Skein_assert(ctx->h.bCnt == 0); - } - - /* copy any remaining source message data bytes into b[] */ - if (msgByteCnt) { - Skein_assert(msgByteCnt + ctx->h.bCnt <= SKEIN_256_BLOCK_BYTES); - memcpy(&ctx->b[ctx->h.bCnt], msg, msgByteCnt); - ctx->h.bCnt += msgByteCnt; - } - - return SKEIN_SUCCESS; -} - -/*++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++*/ -/* finalize the hash computation and output the result */ -static int Skein_256_Final(Skein_256_Ctxt_t* ctx, u08b_t* hashVal) { - size_t i, n, byteCnt; - u64b_t X[SKEIN_256_STATE_WORDS]; - Skein_Assert( - ctx->h.bCnt <= SKEIN_256_BLOCK_BYTES, SKEIN_FAIL); /* catch uninitialized context */ - - ctx->h.T[1] |= SKEIN_T1_FLAG_FINAL; /* tag as the final block */ - if (ctx->h.bCnt < SKEIN_256_BLOCK_BYTES) /* zero pad b[] if necessary */ - memset(&ctx->b[ctx->h.bCnt], 0, SKEIN_256_BLOCK_BYTES - ctx->h.bCnt); - - Skein_256_Process_Block(ctx, ctx->b, 1, ctx->h.bCnt); /* process the final block */ - - /* now output the result */ - byteCnt = (ctx->h.hashBitLen + 7) >> 3; /* total number of output bytes */ - - /* run Threefish in "counter mode" to generate output */ - memset(ctx->b, 0, sizeof(ctx->b)); /* zero out b[], so it can hold the counter */ - memcpy(X, ctx->X, sizeof(X)); /* keep a local copy of counter mode "key" */ - for (i = 0; i * SKEIN_256_BLOCK_BYTES < byteCnt; i++) { - ((u64b_t*)ctx->b)[0] = Skein_Swap64((u64b_t)i); /* build the counter block */ - Skein_Start_New_Type(ctx, OUT_FINAL); - Skein_256_Process_Block(ctx, ctx->b, 1, sizeof(u64b_t)); /* run "counter mode" */ - n = byteCnt - i * SKEIN_256_BLOCK_BYTES; /* number of output bytes left to go */ - if (n >= SKEIN_256_BLOCK_BYTES) - n = SKEIN_256_BLOCK_BYTES; - Skein_Put64_LSB_First( - hashVal + i * SKEIN_256_BLOCK_BYTES, ctx->X, n); /* "output" the ctr mode bytes */ - Skein_Show_Final(256, &ctx->h, n, hashVal + i * SKEIN_256_BLOCK_BYTES); - memcpy(ctx->X, X, sizeof(X)); /* restore the counter mode key for next time */ - } - return SKEIN_SUCCESS; -} - -#if defined(SKEIN_CODE_SIZE) || defined(SKEIN_PERF) -static size_t Skein_256_API_CodeSize(void) { - return ((u08b_t*)Skein_256_API_CodeSize) - ((u08b_t*)Skein_256_Init); -} -#endif - -/*****************************************************************/ -/* 512-bit Skein */ -/*****************************************************************/ - -/*++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++*/ -/* init the context for a straight hashing operation */ -static int Skein_512_Init(Skein_512_Ctxt_t* ctx, size_t hashBitLen) { - union { - u08b_t b[SKEIN_512_STATE_BYTES]; - u64b_t w[SKEIN_512_STATE_WORDS]; - } cfg; /* config block */ - - Skein_Assert(hashBitLen > 0, SKEIN_BAD_HASHLEN); - ctx->h.hashBitLen = hashBitLen; /* output hash bit count */ - - switch (hashBitLen) { /* use pre-computed values, where available */ -#ifndef SKEIN_NO_PRECOMP - case 512: memcpy(ctx->X, SKEIN_512_IV_512, sizeof(ctx->X)); break; - case 384: memcpy(ctx->X, SKEIN_512_IV_384, sizeof(ctx->X)); break; - case 256: memcpy(ctx->X, SKEIN_512_IV_256, sizeof(ctx->X)); break; - case 224: memcpy(ctx->X, SKEIN_512_IV_224, sizeof(ctx->X)); break; -#endif - default: - /* here if there is no precomputed IV value available */ - /* build/process the config block, type == CONFIG (could be precomputed) */ - Skein_Start_New_Type(ctx, CFG_FINAL); /* set tweaks: T0=0; T1=CFG | FINAL */ - - cfg.w[0] = Skein_Swap64(SKEIN_SCHEMA_VER); /* set the schema, version */ - cfg.w[1] = Skein_Swap64(hashBitLen); /* hash result length in bits */ - cfg.w[2] = Skein_Swap64(SKEIN_CFG_TREE_INFO_SEQUENTIAL); - memset(&cfg.w[3], 0, sizeof(cfg) - 3 * sizeof(cfg.w[0])); /* zero pad config block */ - - /* compute the initial chaining values from config block */ - memset(ctx->X, 0, sizeof(ctx->X)); /* zero the chaining variables */ - Skein_512_Process_Block(ctx, cfg.b, 1, SKEIN_CFG_STR_LEN); - break; - } - - /* The chaining vars ctx->X are now initialized for the given hashBitLen. */ - /* Set up to process the data message portion of the hash (default) */ - Skein_Start_New_Type(ctx, MSG); /* T0=0, T1= MSG type */ - - return SKEIN_SUCCESS; -} - -#if 0 -/*++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++*/ -/* init the context for a MAC and/or tree hash operation */ -/* [identical to Skein_512_Init() when keyBytes == 0 && treeInfo == SKEIN_CFG_TREE_INFO_SEQUENTIAL] */ -static int Skein_512_InitExt(Skein_512_Ctxt_t *ctx,size_t hashBitLen,u64b_t treeInfo, const u08b_t *key, size_t keyBytes) - { - union - { - u08b_t b[SKEIN_512_STATE_BYTES]; - u64b_t w[SKEIN_512_STATE_WORDS]; - } cfg; /* config block */ - - Skein_Assert(hashBitLen > 0,SKEIN_BAD_HASHLEN); - Skein_Assert(keyBytes == 0 || key != NULL,SKEIN_FAIL); - - /* compute the initial chaining values ctx->X[], based on key */ - if (keyBytes == 0) /* is there a key? */ - { - memset(ctx->X,0,sizeof(ctx->X)); /* no key: use all zeroes as key for config block */ - } - else /* here to pre-process a key */ - { - Skein_assert(sizeof(cfg.b) >= sizeof(ctx->X)); - /* do a mini-Init right here */ - ctx->h.hashBitLen=8*sizeof(ctx->X); /* set output hash bit count = state size */ - Skein_Start_New_Type(ctx,KEY); /* set tweaks: T0 = 0; T1 = KEY type */ - memset(ctx->X,0,sizeof(ctx->X)); /* zero the initial chaining variables */ - Skein_512_Update(ctx,key,keyBytes); /* hash the key */ - Skein_512_Final_Pad(ctx,cfg.b); /* put result into cfg.b[] */ - memcpy(ctx->X,cfg.b,sizeof(cfg.b)); /* copy over into ctx->X[] */ -#if SKEIN_NEED_SWAP - { - uint_t i; - for (i=0;iX[i] = Skein_Swap64(ctx->X[i]); - } -#endif - } - /* build/process the config block, type == CONFIG (could be precomputed for each key) */ - ctx->h.hashBitLen = hashBitLen; /* output hash bit count */ - Skein_Start_New_Type(ctx,CFG_FINAL); - - memset(&cfg.w,0,sizeof(cfg.w)); /* pre-pad cfg.w[] with zeroes */ - cfg.w[0] = Skein_Swap64(SKEIN_SCHEMA_VER); - cfg.w[1] = Skein_Swap64(hashBitLen); /* hash result length in bits */ - cfg.w[2] = Skein_Swap64(treeInfo); /* tree hash config info (or SKEIN_CFG_TREE_INFO_SEQUENTIAL) */ - - Skein_Show_Key(512,&ctx->h,key,keyBytes); - - /* compute the initial chaining values from config block */ - Skein_512_Process_Block(ctx,cfg.b,1,SKEIN_CFG_STR_LEN); - - /* The chaining vars ctx->X are now initialized */ - /* Set up to process the data message portion of the hash (default) */ - ctx->h.bCnt = 0; /* buffer b[] starts out empty */ - Skein_Start_New_Type(ctx,MSG); - - return SKEIN_SUCCESS; - } -#endif - -/*++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++*/ -/* process the input bytes */ -static int Skein_512_Update(Skein_512_Ctxt_t* ctx, const u08b_t* msg, size_t msgByteCnt) { - size_t n; - - Skein_Assert( - ctx->h.bCnt <= SKEIN_512_BLOCK_BYTES, SKEIN_FAIL); /* catch uninitialized context */ - - /* process full blocks, if any */ - if (msgByteCnt + ctx->h.bCnt > SKEIN_512_BLOCK_BYTES) { - if (ctx->h.bCnt) /* finish up any buffered message data */ - { - n = SKEIN_512_BLOCK_BYTES - ctx->h.bCnt; /* # bytes free in buffer b[] */ - if (n) { - Skein_assert(n < msgByteCnt); /* check on our logic here */ - memcpy(&ctx->b[ctx->h.bCnt], msg, n); - msgByteCnt -= n; - msg += n; - ctx->h.bCnt += n; - } - Skein_assert(ctx->h.bCnt == SKEIN_512_BLOCK_BYTES); - Skein_512_Process_Block(ctx, ctx->b, 1, SKEIN_512_BLOCK_BYTES); - ctx->h.bCnt = 0; - } - /* now process any remaining full blocks, directly from input message data */ - if (msgByteCnt > SKEIN_512_BLOCK_BYTES) { - n = (msgByteCnt - 1) / SKEIN_512_BLOCK_BYTES; /* number of full blocks to process */ - Skein_512_Process_Block(ctx, msg, n, SKEIN_512_BLOCK_BYTES); - msgByteCnt -= n * SKEIN_512_BLOCK_BYTES; - msg += n * SKEIN_512_BLOCK_BYTES; - } - Skein_assert(ctx->h.bCnt == 0); - } - - /* copy any remaining source message data bytes into b[] */ - if (msgByteCnt) { - Skein_assert(msgByteCnt + ctx->h.bCnt <= SKEIN_512_BLOCK_BYTES); - memcpy(&ctx->b[ctx->h.bCnt], msg, msgByteCnt); - ctx->h.bCnt += msgByteCnt; - } - - return SKEIN_SUCCESS; -} - -/*++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++*/ -/* finalize the hash computation and output the result */ -static int Skein_512_Final(Skein_512_Ctxt_t* ctx, u08b_t* hashVal) { - size_t i, n, byteCnt; - u64b_t X[SKEIN_512_STATE_WORDS]; - Skein_Assert( - ctx->h.bCnt <= SKEIN_512_BLOCK_BYTES, SKEIN_FAIL); /* catch uninitialized context */ - - ctx->h.T[1] |= SKEIN_T1_FLAG_FINAL; /* tag as the final block */ - if (ctx->h.bCnt < SKEIN_512_BLOCK_BYTES) /* zero pad b[] if necessary */ - memset(&ctx->b[ctx->h.bCnt], 0, SKEIN_512_BLOCK_BYTES - ctx->h.bCnt); - - Skein_512_Process_Block(ctx, ctx->b, 1, ctx->h.bCnt); /* process the final block */ - - /* now output the result */ - byteCnt = (ctx->h.hashBitLen + 7) >> 3; /* total number of output bytes */ - - /* run Threefish in "counter mode" to generate output */ - memset(ctx->b, 0, sizeof(ctx->b)); /* zero out b[], so it can hold the counter */ - memcpy(X, ctx->X, sizeof(X)); /* keep a local copy of counter mode "key" */ - for (i = 0; i * SKEIN_512_BLOCK_BYTES < byteCnt; i++) { - ((u64b_t*)ctx->b)[0] = Skein_Swap64((u64b_t)i); /* build the counter block */ - Skein_Start_New_Type(ctx, OUT_FINAL); - Skein_512_Process_Block(ctx, ctx->b, 1, sizeof(u64b_t)); /* run "counter mode" */ - n = byteCnt - i * SKEIN_512_BLOCK_BYTES; /* number of output bytes left to go */ - if (n >= SKEIN_512_BLOCK_BYTES) - n = SKEIN_512_BLOCK_BYTES; - Skein_Put64_LSB_First( - hashVal + i * SKEIN_512_BLOCK_BYTES, ctx->X, n); /* "output" the ctr mode bytes */ - Skein_Show_Final(512, &ctx->h, n, hashVal + i * SKEIN_512_BLOCK_BYTES); - memcpy(ctx->X, X, sizeof(X)); /* restore the counter mode key for next time */ - } - return SKEIN_SUCCESS; -} - -#if defined(SKEIN_CODE_SIZE) || defined(SKEIN_PERF) -static size_t Skein_512_API_CodeSize(void) { - return ((u08b_t*)Skein_512_API_CodeSize) - ((u08b_t*)Skein_512_Init); -} -#endif - -/*****************************************************************/ -/* 1024-bit Skein */ -/*****************************************************************/ -/*++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++*/ -/* init the context for a straight hashing operation */ -static int Skein1024_Init(Skein1024_Ctxt_t* ctx, size_t hashBitLen) { - union { - u08b_t b[SKEIN1024_STATE_BYTES]; - u64b_t w[SKEIN1024_STATE_WORDS]; - } cfg; /* config block */ - - Skein_Assert(hashBitLen > 0, SKEIN_BAD_HASHLEN); - ctx->h.hashBitLen = hashBitLen; /* output hash bit count */ - - switch (hashBitLen) { /* use pre-computed values, where available */ -#ifndef SKEIN_NO_PRECOMP - case 512: memcpy(ctx->X, SKEIN1024_IV_512, sizeof(ctx->X)); break; - case 384: memcpy(ctx->X, SKEIN1024_IV_384, sizeof(ctx->X)); break; - case 1024: memcpy(ctx->X, SKEIN1024_IV_1024, sizeof(ctx->X)); break; -#endif - default: - /* here if there is no precomputed IV value available */ - /* build/process the config block, type == CONFIG (could be precomputed) */ - Skein_Start_New_Type(ctx, CFG_FINAL); /* set tweaks: T0=0; T1=CFG | FINAL */ - - cfg.w[0] = Skein_Swap64(SKEIN_SCHEMA_VER); /* set the schema, version */ - cfg.w[1] = Skein_Swap64(hashBitLen); /* hash result length in bits */ - cfg.w[2] = Skein_Swap64(SKEIN_CFG_TREE_INFO_SEQUENTIAL); - memset(&cfg.w[3], 0, sizeof(cfg) - 3 * sizeof(cfg.w[0])); /* zero pad config block */ - - /* compute the initial chaining values from config block */ - memset(ctx->X, 0, sizeof(ctx->X)); /* zero the chaining variables */ - Skein1024_Process_Block(ctx, cfg.b, 1, SKEIN_CFG_STR_LEN); - break; - } - - /* The chaining vars ctx->X are now initialized for the given hashBitLen. */ - /* Set up to process the data message portion of the hash (default) */ - Skein_Start_New_Type(ctx, MSG); /* T0=0, T1= MSG type */ - - return SKEIN_SUCCESS; -} - -#if 0 -/*++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++*/ -/* init the context for a MAC and/or tree hash operation */ -/* [identical to Skein1024_Init() when keyBytes == 0 && treeInfo == SKEIN_CFG_TREE_INFO_SEQUENTIAL] */ -static int Skein1024_InitExt(Skein1024_Ctxt_t *ctx,size_t hashBitLen,u64b_t treeInfo, const u08b_t *key, size_t keyBytes) - { - union - { - u08b_t b[SKEIN1024_STATE_BYTES]; - u64b_t w[SKEIN1024_STATE_WORDS]; - } cfg; /* config block */ - - Skein_Assert(hashBitLen > 0,SKEIN_BAD_HASHLEN); - Skein_Assert(keyBytes == 0 || key != NULL,SKEIN_FAIL); - - /* compute the initial chaining values ctx->X[], based on key */ - if (keyBytes == 0) /* is there a key? */ - { - memset(ctx->X,0,sizeof(ctx->X)); /* no key: use all zeroes as key for config block */ - } - else /* here to pre-process a key */ - { - Skein_assert(sizeof(cfg.b) >= sizeof(ctx->X)); - /* do a mini-Init right here */ - ctx->h.hashBitLen=8*sizeof(ctx->X); /* set output hash bit count = state size */ - Skein_Start_New_Type(ctx,KEY); /* set tweaks: T0 = 0; T1 = KEY type */ - memset(ctx->X,0,sizeof(ctx->X)); /* zero the initial chaining variables */ - Skein1024_Update(ctx,key,keyBytes); /* hash the key */ - Skein1024_Final_Pad(ctx,cfg.b); /* put result into cfg.b[] */ - memcpy(ctx->X,cfg.b,sizeof(cfg.b)); /* copy over into ctx->X[] */ -#if SKEIN_NEED_SWAP - { - uint_t i; - for (i=0;iX[i] = Skein_Swap64(ctx->X[i]); - } -#endif - } - /* build/process the config block, type == CONFIG (could be precomputed for each key) */ - ctx->h.hashBitLen = hashBitLen; /* output hash bit count */ - Skein_Start_New_Type(ctx,CFG_FINAL); - - memset(&cfg.w,0,sizeof(cfg.w)); /* pre-pad cfg.w[] with zeroes */ - cfg.w[0] = Skein_Swap64(SKEIN_SCHEMA_VER); - cfg.w[1] = Skein_Swap64(hashBitLen); /* hash result length in bits */ - cfg.w[2] = Skein_Swap64(treeInfo); /* tree hash config info (or SKEIN_CFG_TREE_INFO_SEQUENTIAL) */ - - Skein_Show_Key(1024,&ctx->h,key,keyBytes); - - /* compute the initial chaining values from config block */ - Skein1024_Process_Block(ctx,cfg.b,1,SKEIN_CFG_STR_LEN); - - /* The chaining vars ctx->X are now initialized */ - /* Set up to process the data message portion of the hash (default) */ - ctx->h.bCnt = 0; /* buffer b[] starts out empty */ - Skein_Start_New_Type(ctx,MSG); - - return SKEIN_SUCCESS; - } -#endif - -/*++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++*/ -/* process the input bytes */ -static int Skein1024_Update(Skein1024_Ctxt_t* ctx, const u08b_t* msg, size_t msgByteCnt) { - size_t n; - - Skein_Assert( - ctx->h.bCnt <= SKEIN1024_BLOCK_BYTES, SKEIN_FAIL); /* catch uninitialized context */ - - /* process full blocks, if any */ - if (msgByteCnt + ctx->h.bCnt > SKEIN1024_BLOCK_BYTES) { - if (ctx->h.bCnt) /* finish up any buffered message data */ - { - n = SKEIN1024_BLOCK_BYTES - ctx->h.bCnt; /* # bytes free in buffer b[] */ - if (n) { - Skein_assert(n < msgByteCnt); /* check on our logic here */ - memcpy(&ctx->b[ctx->h.bCnt], msg, n); - msgByteCnt -= n; - msg += n; - ctx->h.bCnt += n; - } - Skein_assert(ctx->h.bCnt == SKEIN1024_BLOCK_BYTES); - Skein1024_Process_Block(ctx, ctx->b, 1, SKEIN1024_BLOCK_BYTES); - ctx->h.bCnt = 0; - } - /* now process any remaining full blocks, directly from input message data */ - if (msgByteCnt > SKEIN1024_BLOCK_BYTES) { - n = (msgByteCnt - 1) / SKEIN1024_BLOCK_BYTES; /* number of full blocks to process */ - Skein1024_Process_Block(ctx, msg, n, SKEIN1024_BLOCK_BYTES); - msgByteCnt -= n * SKEIN1024_BLOCK_BYTES; - msg += n * SKEIN1024_BLOCK_BYTES; - } - Skein_assert(ctx->h.bCnt == 0); - } - - /* copy any remaining source message data bytes into b[] */ - if (msgByteCnt) { - Skein_assert(msgByteCnt + ctx->h.bCnt <= SKEIN1024_BLOCK_BYTES); - memcpy(&ctx->b[ctx->h.bCnt], msg, msgByteCnt); - ctx->h.bCnt += msgByteCnt; - } - - return SKEIN_SUCCESS; -} - -/*++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++*/ -/* finalize the hash computation and output the result */ -static int Skein1024_Final(Skein1024_Ctxt_t* ctx, u08b_t* hashVal) { - size_t i, n, byteCnt; - u64b_t X[SKEIN1024_STATE_WORDS]; - Skein_Assert( - ctx->h.bCnt <= SKEIN1024_BLOCK_BYTES, SKEIN_FAIL); /* catch uninitialized context */ - - ctx->h.T[1] |= SKEIN_T1_FLAG_FINAL; /* tag as the final block */ - if (ctx->h.bCnt < SKEIN1024_BLOCK_BYTES) /* zero pad b[] if necessary */ - memset(&ctx->b[ctx->h.bCnt], 0, SKEIN1024_BLOCK_BYTES - ctx->h.bCnt); - - Skein1024_Process_Block(ctx, ctx->b, 1, ctx->h.bCnt); /* process the final block */ - - /* now output the result */ - byteCnt = (ctx->h.hashBitLen + 7) >> 3; /* total number of output bytes */ - - /* run Threefish in "counter mode" to generate output */ - memset(ctx->b, 0, sizeof(ctx->b)); /* zero out b[], so it can hold the counter */ - memcpy(X, ctx->X, sizeof(X)); /* keep a local copy of counter mode "key" */ - for (i = 0; i * SKEIN1024_BLOCK_BYTES < byteCnt; i++) { - ((u64b_t*)ctx->b)[0] = Skein_Swap64((u64b_t)i); /* build the counter block */ - Skein_Start_New_Type(ctx, OUT_FINAL); - Skein1024_Process_Block(ctx, ctx->b, 1, sizeof(u64b_t)); /* run "counter mode" */ - n = byteCnt - i * SKEIN1024_BLOCK_BYTES; /* number of output bytes left to go */ - if (n >= SKEIN1024_BLOCK_BYTES) - n = SKEIN1024_BLOCK_BYTES; - Skein_Put64_LSB_First( - hashVal + i * SKEIN1024_BLOCK_BYTES, ctx->X, n); /* "output" the ctr mode bytes */ - Skein_Show_Final(1024, &ctx->h, n, hashVal + i * SKEIN1024_BLOCK_BYTES); - memcpy(ctx->X, X, sizeof(X)); /* restore the counter mode key for next time */ - } - return SKEIN_SUCCESS; -} - -#if defined(SKEIN_CODE_SIZE) || defined(SKEIN_PERF) -static size_t Skein1024_API_CodeSize(void) { - return ((u08b_t*)Skein1024_API_CodeSize) - ((u08b_t*)Skein1024_Init); -} -#endif - -/**************** Functions to support MAC/tree hashing ***************/ -/* (this code is identical for Optimized and Reference versions) */ - -#if 0 -/*++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++*/ -/* finalize the hash computation and output the block, no OUTPUT stage */ -static int Skein_256_Final_Pad(Skein_256_Ctxt_t *ctx, u08b_t *hashVal) - { - Skein_Assert(ctx->h.bCnt <= SKEIN_256_BLOCK_BYTES,SKEIN_FAIL); /* catch uninitialized context */ - - ctx->h.T[1] |= SKEIN_T1_FLAG_FINAL; /* tag as the final block */ - if (ctx->h.bCnt < SKEIN_256_BLOCK_BYTES) /* zero pad b[] if necessary */ - memset(&ctx->b[ctx->h.bCnt],0,SKEIN_256_BLOCK_BYTES - ctx->h.bCnt); - Skein_256_Process_Block(ctx,ctx->b,1,ctx->h.bCnt); /* process the final block */ - - Skein_Put64_LSB_First(hashVal,ctx->X,SKEIN_256_BLOCK_BYTES); /* "output" the state bytes */ - - return SKEIN_SUCCESS; - } - -/*++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++*/ -/* finalize the hash computation and output the block, no OUTPUT stage */ -static int Skein_512_Final_Pad(Skein_512_Ctxt_t *ctx, u08b_t *hashVal) - { - Skein_Assert(ctx->h.bCnt <= SKEIN_512_BLOCK_BYTES,SKEIN_FAIL); /* catch uninitialized context */ - - ctx->h.T[1] |= SKEIN_T1_FLAG_FINAL; /* tag as the final block */ - if (ctx->h.bCnt < SKEIN_512_BLOCK_BYTES) /* zero pad b[] if necessary */ - memset(&ctx->b[ctx->h.bCnt],0,SKEIN_512_BLOCK_BYTES - ctx->h.bCnt); - Skein_512_Process_Block(ctx,ctx->b,1,ctx->h.bCnt); /* process the final block */ - - Skein_Put64_LSB_First(hashVal,ctx->X,SKEIN_512_BLOCK_BYTES); /* "output" the state bytes */ - - return SKEIN_SUCCESS; - } - -/*++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++*/ -/* finalize the hash computation and output the block, no OUTPUT stage */ -static int Skein1024_Final_Pad(Skein1024_Ctxt_t *ctx, u08b_t *hashVal) - { - Skein_Assert(ctx->h.bCnt <= SKEIN1024_BLOCK_BYTES,SKEIN_FAIL); /* catch uninitialized context */ - - ctx->h.T[1] |= SKEIN_T1_FLAG_FINAL; /* tag as the final block */ - if (ctx->h.bCnt < SKEIN1024_BLOCK_BYTES) /* zero pad b[] if necessary */ - memset(&ctx->b[ctx->h.bCnt],0,SKEIN1024_BLOCK_BYTES - ctx->h.bCnt); - Skein1024_Process_Block(ctx,ctx->b,1,ctx->h.bCnt); /* process the final block */ - - Skein_Put64_LSB_First(hashVal,ctx->X,SKEIN1024_BLOCK_BYTES); /* "output" the state bytes */ - - return SKEIN_SUCCESS; - } - -#if SKEIN_TREE_HASH -/*++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++*/ -/* just do the OUTPUT stage */ -static int Skein_256_Output(Skein_256_Ctxt_t *ctx, u08b_t *hashVal) - { - size_t i,n,byteCnt; - u64b_t X[SKEIN_256_STATE_WORDS]; - Skein_Assert(ctx->h.bCnt <= SKEIN_256_BLOCK_BYTES,SKEIN_FAIL); /* catch uninitialized context */ - - /* now output the result */ - byteCnt = (ctx->h.hashBitLen + 7) >> 3; /* total number of output bytes */ - - /* run Threefish in "counter mode" to generate output */ - memset(ctx->b,0,sizeof(ctx->b)); /* zero out b[], so it can hold the counter */ - memcpy(X,ctx->X,sizeof(X)); /* keep a local copy of counter mode "key" */ - for (i=0;i*SKEIN_256_BLOCK_BYTES < byteCnt;i++) - { - ((u64b_t *)ctx->b)[0]= Skein_Swap64((u64b_t) i); /* build the counter block */ - Skein_Start_New_Type(ctx,OUT_FINAL); - Skein_256_Process_Block(ctx,ctx->b,1,sizeof(u64b_t)); /* run "counter mode" */ - n = byteCnt - i*SKEIN_256_BLOCK_BYTES; /* number of output bytes left to go */ - if (n >= SKEIN_256_BLOCK_BYTES) - n = SKEIN_256_BLOCK_BYTES; - Skein_Put64_LSB_First(hashVal+i*SKEIN_256_BLOCK_BYTES,ctx->X,n); /* "output" the ctr mode bytes */ - Skein_Show_Final(256,&ctx->h,n,hashVal+i*SKEIN_256_BLOCK_BYTES); - memcpy(ctx->X,X,sizeof(X)); /* restore the counter mode key for next time */ - } - return SKEIN_SUCCESS; - } - -/*++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++*/ -/* just do the OUTPUT stage */ -static int Skein_512_Output(Skein_512_Ctxt_t *ctx, u08b_t *hashVal) - { - size_t i,n,byteCnt; - u64b_t X[SKEIN_512_STATE_WORDS]; - Skein_Assert(ctx->h.bCnt <= SKEIN_512_BLOCK_BYTES,SKEIN_FAIL); /* catch uninitialized context */ - - /* now output the result */ - byteCnt = (ctx->h.hashBitLen + 7) >> 3; /* total number of output bytes */ - - /* run Threefish in "counter mode" to generate output */ - memset(ctx->b,0,sizeof(ctx->b)); /* zero out b[], so it can hold the counter */ - memcpy(X,ctx->X,sizeof(X)); /* keep a local copy of counter mode "key" */ - for (i=0;i*SKEIN_512_BLOCK_BYTES < byteCnt;i++) - { - ((u64b_t *)ctx->b)[0]= Skein_Swap64((u64b_t) i); /* build the counter block */ - Skein_Start_New_Type(ctx,OUT_FINAL); - Skein_512_Process_Block(ctx,ctx->b,1,sizeof(u64b_t)); /* run "counter mode" */ - n = byteCnt - i*SKEIN_512_BLOCK_BYTES; /* number of output bytes left to go */ - if (n >= SKEIN_512_BLOCK_BYTES) - n = SKEIN_512_BLOCK_BYTES; - Skein_Put64_LSB_First(hashVal+i*SKEIN_512_BLOCK_BYTES,ctx->X,n); /* "output" the ctr mode bytes */ - Skein_Show_Final(256,&ctx->h,n,hashVal+i*SKEIN_512_BLOCK_BYTES); - memcpy(ctx->X,X,sizeof(X)); /* restore the counter mode key for next time */ - } - return SKEIN_SUCCESS; - } - -/*++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++*/ -/* just do the OUTPUT stage */ -static int Skein1024_Output(Skein1024_Ctxt_t *ctx, u08b_t *hashVal) - { - size_t i,n,byteCnt; - u64b_t X[SKEIN1024_STATE_WORDS]; - Skein_Assert(ctx->h.bCnt <= SKEIN1024_BLOCK_BYTES,SKEIN_FAIL); /* catch uninitialized context */ - - /* now output the result */ - byteCnt = (ctx->h.hashBitLen + 7) >> 3; /* total number of output bytes */ - - /* run Threefish in "counter mode" to generate output */ - memset(ctx->b,0,sizeof(ctx->b)); /* zero out b[], so it can hold the counter */ - memcpy(X,ctx->X,sizeof(X)); /* keep a local copy of counter mode "key" */ - for (i=0;i*SKEIN1024_BLOCK_BYTES < byteCnt;i++) - { - ((u64b_t *)ctx->b)[0]= Skein_Swap64((u64b_t) i); /* build the counter block */ - Skein_Start_New_Type(ctx,OUT_FINAL); - Skein1024_Process_Block(ctx,ctx->b,1,sizeof(u64b_t)); /* run "counter mode" */ - n = byteCnt - i*SKEIN1024_BLOCK_BYTES; /* number of output bytes left to go */ - if (n >= SKEIN1024_BLOCK_BYTES) - n = SKEIN1024_BLOCK_BYTES; - Skein_Put64_LSB_First(hashVal+i*SKEIN1024_BLOCK_BYTES,ctx->X,n); /* "output" the ctr mode bytes */ - Skein_Show_Final(256,&ctx->h,n,hashVal+i*SKEIN1024_BLOCK_BYTES); - memcpy(ctx->X,X,sizeof(X)); /* restore the counter mode key for next time */ - } - return SKEIN_SUCCESS; - } -#endif -#endif - -typedef struct { - uint_t statebits; /* 256, 512, or 1024 */ - union { - Skein_Ctxt_Hdr_t h; /* common header "overlay" */ - Skein_256_Ctxt_t ctx_256; - Skein_512_Ctxt_t ctx_512; - Skein1024_Ctxt_t ctx1024; - } u; -} hashState; - -/* "incremental" hashing API */ -static SkeinHashReturn Init(hashState* state, int hashbitlen); -static SkeinHashReturn Update(hashState* state, const BitSequence* data, DataLength databitlen); -static SkeinHashReturn Final(hashState* state, BitSequence* hashval); - -/*++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++*/ -/* select the context size and init the context */ -static SkeinHashReturn Init(hashState* state, int hashbitlen) { -#if SKEIN_256_NIST_MAX_HASHBITS - if (hashbitlen <= SKEIN_256_NIST_MAX_HASHBITS) { - Skein_Assert(hashbitlen > 0, BAD_HASHLEN); - state->statebits = 64 * SKEIN_256_STATE_WORDS; - return Skein_256_Init(&state->u.ctx_256, (size_t)hashbitlen); - } -#endif - if (hashbitlen <= SKEIN_512_NIST_MAX_HASHBITS) { - state->statebits = 64 * SKEIN_512_STATE_WORDS; - return Skein_512_Init(&state->u.ctx_512, (size_t)hashbitlen); - } else { - state->statebits = 64 * SKEIN1024_STATE_WORDS; - return Skein1024_Init(&state->u.ctx1024, (size_t)hashbitlen); - } -} - -/*++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++*/ -/* process data to be hashed */ -static SkeinHashReturn Update(hashState* state, const BitSequence* data, DataLength databitlen) { - /* only the final Update() call is allowed do partial bytes, else assert an error */ - Skein_Assert((state->u.h.T[1] & SKEIN_T1_FLAG_BIT_PAD) == 0 || databitlen == 0, SKEIN_FAIL); - - Skein_Assert(state->statebits % 256 == 0 && (state->statebits - 256) < 1024, SKEIN_FAIL); - if ((databitlen & 7) == 0) /* partial bytes? */ - { - switch ((state->statebits >> 8) & 3) { - case 2: return Skein_512_Update(&state->u.ctx_512, data, databitlen >> 3); - case 1: return Skein_256_Update(&state->u.ctx_256, data, databitlen >> 3); - case 0: return Skein1024_Update(&state->u.ctx1024, data, databitlen >> 3); - default: return SKEIN_FAIL; - } - } else { /* handle partial final byte */ - size_t bCnt = (databitlen >> 3) + 1; /* number of bytes to handle (nonzero here!) */ - u08b_t b, mask; - - mask = (u08b_t)(1u << (7 - (databitlen & 7))); /* partial byte bit mask */ - b = (u08b_t)((data[bCnt - 1] & (0 - mask)) | mask); /* apply bit padding on final byte */ - - switch ((state->statebits >> 8) & 3) { - case 2: - Skein_512_Update( - &state->u.ctx_512, data, bCnt - 1); /* process all but the final byte */ - Skein_512_Update(&state->u.ctx_512, &b, 1); /* process the (masked) partial byte */ - break; - case 1: - Skein_256_Update( - &state->u.ctx_256, data, bCnt - 1); /* process all but the final byte */ - Skein_256_Update(&state->u.ctx_256, &b, 1); /* process the (masked) partial byte */ - break; - case 0: - Skein1024_Update( - &state->u.ctx1024, data, bCnt - 1); /* process all but the final byte */ - Skein1024_Update(&state->u.ctx1024, &b, 1); /* process the (masked) partial byte */ - break; - default: return SKEIN_FAIL; - } - Skein_Set_Bit_Pad_Flag(state->u.h); /* set tweak flag for the final call */ - - return SKEIN_SUCCESS; - } -} - -/*++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++*/ -/* finalize hash computation and output the result (hashbitlen bits) */ -static SkeinHashReturn Final(hashState* state, BitSequence* hashval) { - Skein_Assert(state->statebits % 256 == 0 && (state->statebits - 256) < 1024, FAIL); - switch ((state->statebits >> 8) & 3) { - case 2: return Skein_512_Final(&state->u.ctx_512, hashval); - case 1: return Skein_256_Final(&state->u.ctx_256, hashval); - case 0: return Skein1024_Final(&state->u.ctx1024, hashval); - default: return SKEIN_FAIL; - } -} - -/*++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++*/ -/* all-in-one hash function */ -SkeinHashReturn skein_hash( - int hashbitlen, - const BitSequence* data, /* all-in-one call */ - DataLength databitlen, - BitSequence* hashval) { - hashState state; - SkeinHashReturn r = Init(&state, hashbitlen); - if (r == SKEIN_SUCCESS) { /* these calls do not fail when called properly */ - r = Update(&state, data, databitlen); - Final(&state, hashval); - } - return r; -} diff --git a/src/crypto/skein.h b/src/crypto/skein.h deleted file mode 100644 index 55e4bfe..0000000 --- a/src/crypto/skein.h +++ /dev/null @@ -1,45 +0,0 @@ -#ifndef _SKEIN_H_ -#define _SKEIN_H_ 1 -/************************************************************************** -** -** Interface declarations and internal definitions for Skein hashing. -** -** Source code author: Doug Whiting, 2008. -** -** This algorithm and source code is released to the public domain. -** -*************************************************************************** -** -** The following compile-time switches may be defined to control some -** tradeoffs between speed, code size, error checking, and security. -** -** The "default" note explains what happens when the switch is not defined. -** -** SKEIN_DEBUG -- make callouts from inside Skein code -** to examine/display intermediate values. -** [default: no callouts (no overhead)] -** -** SKEIN_ERR_CHECK -- how error checking is handled inside Skein -** code. If not defined, most error checking -** is disabled (for performance). Otherwise, -** the switch value is interpreted as: -** 0: use assert() to flag errors -** 1: return SKEIN_FAIL to flag errors -** -***************************************************************************/ -#include "skein_port.h" /* get platform-specific definitions */ - -typedef enum { - SKEIN_SUCCESS = 0, /* return codes from Skein calls */ - SKEIN_FAIL = 1, - SKEIN_BAD_HASHLEN = 2 -} SkeinHashReturn; - -typedef size_t DataLength; /* bit count type */ -typedef u08b_t BitSequence; /* bit stream type */ - -/* "all-in-one" call */ -SkeinHashReturn skein_hash( - int hashbitlen, const BitSequence* data, DataLength databitlen, BitSequence* hashval); - -#endif /* ifndef _SKEIN_H_ */ diff --git a/src/crypto/skein_port.h b/src/crypto/skein_port.h deleted file mode 100644 index 5a91f64..0000000 --- a/src/crypto/skein_port.h +++ /dev/null @@ -1,207 +0,0 @@ -// Copyright (c) 2014-2019, The Monero Project -// -// All rights reserved. -// -// Redistribution and use in source and binary forms, with or without modification, are -// permitted provided that the following conditions are met: -// -// 1. Redistributions of source code must retain the above copyright notice, this list of -// conditions and the following disclaimer. -// -// 2. Redistributions in binary form must reproduce the above copyright notice, this list -// of conditions and the following disclaimer in the documentation and/or other -// materials provided with the distribution. -// -// 3. Neither the name of the copyright holder nor the names of its contributors may be -// used to endorse or promote products derived from this software without specific -// prior written permission. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY -// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF -// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL -// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, -// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, -// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF -// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - -#ifndef _SKEIN_PORT_H_ -#define _SKEIN_PORT_H_ - -#include -#include -#include - -#ifndef RETURN_VALUES -#define RETURN_VALUES -#if defined(DLL_EXPORT) -#if defined(_MSC_VER) || defined(__INTEL_COMPILER) -#define VOID_RETURN __declspec(dllexport) void __stdcall -#define INT_RETURN __declspec(dllexport) int __stdcall -#elif defined(__GNUC__) -#define VOID_RETURN __declspec(__dllexport__) void -#define INT_RETURN __declspec(__dllexport__) int -#else -#error Use of the DLL is only available on the Microsoft, Intel and GCC compilers -#endif -#elif defined(DLL_IMPORT) -#if defined(_MSC_VER) || defined(__INTEL_COMPILER) -#define VOID_RETURN __declspec(dllimport) void __stdcall -#define INT_RETURN __declspec(dllimport) int __stdcall -#elif defined(__GNUC__) -#define VOID_RETURN __declspec(__dllimport__) void -#define INT_RETURN __declspec(__dllimport__) int -#else -#error Use of the DLL is only available on the Microsoft, Intel and GCC compilers -#endif -#elif defined(__WATCOMC__) -#define VOID_RETURN void __cdecl -#define INT_RETURN int __cdecl -#else -#define VOID_RETURN void -#define INT_RETURN int -#endif -#endif - -/* These defines are used to declare buffers in a way that allows - faster operations on longer variables to be used. In all these - defines 'size' must be a power of 2 and >= 8 - - dec_unit_type(size,x) declares a variable 'x' of length - 'size' bits - - dec_bufr_type(size,bsize,x) declares a buffer 'x' of length 'bsize' - bytes defined as an array of variables - each of 'size' bits (bsize must be a - multiple of size / 8) - - ptr_cast(x,size) casts a pointer to a pointer to a - varaiable of length 'size' bits -*/ - -#define ui_type(size) uint##size##_t -#define dec_unit_type(size, x) typedef ui_type(size) x -#define dec_bufr_type(size, bsize, x) typedef ui_type(size) x[bsize / (size >> 3)] -#define ptr_cast(x, size) ((ui_type(size)*)(x)) - -typedef unsigned int uint_t; /* native unsigned integer */ -typedef uint8_t u08b_t; /* 8-bit unsigned integer */ -typedef uint64_t u64b_t; /* 64-bit unsigned integer */ - -#ifndef RotL_64 -#define RotL_64(x, N) (((x) << (N)) | ((x) >> (64 - (N)))) -#endif - -/* - * Skein is "natively" little-endian (unlike SHA-xxx), for optimal - * performance on x86 CPUs. The Skein code requires the following - * definitions for dealing with endianness: - * - * SKEIN_NEED_SWAP: 0 for little-endian, 1 for big-endian - * Skein_Put64_LSB_First - * Skein_Get64_LSB_First - * Skein_Swap64 - * - * If SKEIN_NEED_SWAP is defined at compile time, it is used here - * along with the portable versions of Put64/Get64/Swap64, which - * are slow in general. - * - * Otherwise, an "auto-detect" of endianness is attempted below. - * If the default handling doesn't work well, the user may insert - * platform-specific code instead (e.g., for big-endian CPUs). - * - */ -#ifndef SKEIN_NEED_SWAP /* compile-time "override" for endianness? */ - -#include "int-util.h" - -#define IS_BIG_ENDIAN 4321 /* byte 0 is most significant (mc68k) */ -#define IS_LITTLE_ENDIAN 1234 /* byte 0 is least significant (i386) */ - -#if BYTE_ORDER == LITTLE_ENDIAN -#define PLATFORM_BYTE_ORDER IS_LITTLE_ENDIAN -#endif - -#if BYTE_ORDER == BIG_ENDIAN -#define PLATFORM_BYTE_ORDER IS_BIG_ENDIAN -#endif - -/* special handler for IA64, which may be either endianness (?) */ -/* here we assume little-endian, but this may need to be changed */ -#if defined(__ia64) || defined(__ia64__) || defined(_M_IA64) -#define PLATFORM_MUST_ALIGN (1) -#ifndef PLATFORM_BYTE_ORDER -#define PLATFORM_BYTE_ORDER IS_LITTLE_ENDIAN -#endif -#endif - -#ifndef PLATFORM_MUST_ALIGN -#define PLATFORM_MUST_ALIGN (0) -#endif - -#if PLATFORM_BYTE_ORDER == IS_BIG_ENDIAN -/* here for big-endian CPUs */ -#define SKEIN_NEED_SWAP (1) -#elif PLATFORM_BYTE_ORDER == IS_LITTLE_ENDIAN -/* here for x86 and x86-64 CPUs (and other detected little-endian CPUs) */ -#define SKEIN_NEED_SWAP (0) -#if PLATFORM_MUST_ALIGN == 0 /* ok to use "fast" versions? */ -#define Skein_Put64_LSB_First(dst08, src64, bCnt) memcpy(dst08, src64, bCnt) -#define Skein_Get64_LSB_First(dst64, src08, wCnt) memcpy(dst64, src08, 8 * (wCnt)) -#endif -#else -#error "Skein needs endianness setting!" -#endif - -#endif /* ifndef SKEIN_NEED_SWAP */ - -/* - ****************************************************************** - * Provide any definitions still needed. - ****************************************************************** - */ -#ifndef Skein_Swap64 /* swap for big-endian, nop for little-endian */ -#if SKEIN_NEED_SWAP -#define Skein_Swap64(w64) \ - (((((u64b_t)(w64)) & 0xFF) << 56) | (((((u64b_t)(w64)) >> 8) & 0xFF) << 48) | \ - (((((u64b_t)(w64)) >> 16) & 0xFF) << 40) | (((((u64b_t)(w64)) >> 24) & 0xFF) << 32) | \ - (((((u64b_t)(w64)) >> 32) & 0xFF) << 24) | (((((u64b_t)(w64)) >> 40) & 0xFF) << 16) | \ - (((((u64b_t)(w64)) >> 48) & 0xFF) << 8) | (((((u64b_t)(w64)) >> 56) & 0xFF))) -#else -#define Skein_Swap64(w64) (w64) -#endif -#endif /* ifndef Skein_Swap64 */ - -#ifndef Skein_Put64_LSB_First -void Skein_Put64_LSB_First(u08b_t* dst, const u64b_t* src, size_t bCnt) -#ifdef SKEIN_PORT_CODE /* instantiate the function code here? */ -{ /* this version is fully portable (big-endian or little-endian), but slow */ - size_t n; - - for (n = 0; n < bCnt; n++) - dst[n] = (u08b_t)(src[n >> 3] >> (8 * (n & 7))); -} -#else - ; /* output only the function prototype */ -#endif -#endif /* ifndef Skein_Put64_LSB_First */ - -#ifndef Skein_Get64_LSB_First -void Skein_Get64_LSB_First(u64b_t* dst, const u08b_t* src, size_t wCnt) -#ifdef SKEIN_PORT_CODE /* instantiate the function code here? */ -{ /* this version is fully portable (big-endian or little-endian), but slow */ - size_t n; - - for (n = 0; n < 8 * wCnt; n += 8) - dst[n / 8] = (((u64b_t)src[n])) + (((u64b_t)src[n + 1]) << 8) + - (((u64b_t)src[n + 2]) << 16) + (((u64b_t)src[n + 3]) << 24) + - (((u64b_t)src[n + 4]) << 32) + (((u64b_t)src[n + 5]) << 40) + - (((u64b_t)src[n + 6]) << 48) + (((u64b_t)src[n + 7]) << 56); -} -#else - ; /* output only the function prototype */ -#endif -#endif /* ifndef Skein_Get64_LSB_First */ - -#endif /* ifndef _SKEIN_PORT_H_ */ diff --git a/src/crypto/tree-hash.c b/src/crypto/tree-hash.c deleted file mode 100644 index c4764f8..0000000 --- a/src/crypto/tree-hash.c +++ /dev/null @@ -1,111 +0,0 @@ -// Copyright (c) 2014-2019, The Monero Project -// -// All rights reserved. -// -// Redistribution and use in source and binary forms, with or without modification, are -// permitted provided that the following conditions are met: -// -// 1. Redistributions of source code must retain the above copyright notice, this list of -// conditions and the following disclaimer. -// -// 2. Redistributions in binary form must reproduce the above copyright notice, this list -// of conditions and the following disclaimer in the documentation and/or other -// materials provided with the distribution. -// -// 3. Neither the name of the copyright holder nor the names of its contributors may be -// used to endorse or promote products derived from this software without specific -// prior written permission. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY -// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF -// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL -// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, -// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, -// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF -// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -// -// Parts of this file are originally copyright (c) 2012-2013 The Cryptonote developers - -#include -#include -#include -#include - -#include "hash-ops.h" - -/*** - * Round to power of two, for count>=3 and for count being not too large (as reasonable for tree - * hash calculations) - */ -size_t tree_hash_cnt(size_t count) { - // This algo has some bad history but all we are doing is 1 << floor(log2(count)) - // There are _many_ ways to do log2, for some reason the one selected was the most obscure one, - // and fixing it made it even more obscure. - // - // Iterative method implemented below aims for clarity over speed, if performance is needed - // then my advice is to use the BSR instruction on x86 - // - // All the paranoid asserts have been removed since it is trivial to mathematically prove that - // the return will always be a power of 2. - // Problem space has been defined as 3 <= count <= 2^28. Of course quarter of a billion - // transactions is not a sane upper limit for a block, so there will be tighter limits in other - // parts of the code - - assert(count >= 3); // cases for 0,1,2 are handled elsewhere - assert(count <= 0x10000000); // sanity limit to 2^28, MSB=1 will cause an inf loop - - size_t pow = 2; - while (pow < count) - pow <<= 1; - return pow >> 1; -} - -void tree_hash(const unsigned char (*hashes)[HASH_SIZE], size_t count, unsigned char* root_hash) { - // The blockchain block at height 202612 https://moneroblocks.info/block/202612 - // contained 514 transactions, that triggered bad calculation of variable "cnt" in the original - // version of this function as from CryptoNote code. - // - // This bug applies to all CN altcoins. - // - // Mathematical bug here was first published on 14:45:34 (GMT+2) 2014-09-04 by Rafal Freeman - // - // https://github.com/rfree2monero/bitmonero/commit/b417abfb7a297d09f1bbb6de29030f8de9952ac8 - // and soon also applied to CryptoNote (15:10 GMT+2), and BoolBerry used not fully correct work - // around: the work around of sizeof(size_t)*8 or <<3 as used before in 2 coins and in BBL later - // was blocking exploitation on normal platforms, how ever we strongly recommend the following - // fix because it removes mistake in mathematical formula. - - assert(count > 0); - if (count == 1) { - memcpy(root_hash, hashes, HASH_SIZE); - } else if (count == 2) { - cn_fast_hash(hashes, 2 * HASH_SIZE, root_hash); - } else { - size_t i, j; - - size_t cnt = tree_hash_cnt(count); - - unsigned char* ints = - calloc(cnt, HASH_SIZE); // zero out as extra protection for using uninitialized mem - assert(ints); - - memcpy(ints, hashes, (2 * cnt - count) * HASH_SIZE); - - for (i = 2 * cnt - count, j = 2 * cnt - count; j < cnt; i += 2, ++j) { - cn_fast_hash(hashes[i], 64, ints + j * HASH_SIZE); - } - assert(i == count); - - while (cnt > 2) { - cnt >>= 1; - for (i = 0, j = 0; j < cnt; i += 2, ++j) { - cn_fast_hash(ints + i * HASH_SIZE, 64, ints + j * HASH_SIZE); - } - } - - cn_fast_hash(ints, 64, root_hash); - free(ints); - } -} diff --git a/src/crypto/variant2_int_sqrt.h b/src/crypto/variant2_int_sqrt.h deleted file mode 100644 index 26a6f44..0000000 --- a/src/crypto/variant2_int_sqrt.h +++ /dev/null @@ -1,169 +0,0 @@ -#ifndef VARIANT2_INT_SQRT_H -#define VARIANT2_INT_SQRT_H - -#include -#include - -#define VARIANT2_INTEGER_MATH_SQRT_STEP_SSE2() \ - do { \ - const __m128i exp_double_bias = _mm_set_epi64x(0, 1023ULL << 52); \ - __m128d x = _mm_castsi128_pd( \ - _mm_add_epi64(_mm_cvtsi64_si128(sqrt_input >> 12), exp_double_bias)); \ - x = _mm_sqrt_sd(_mm_setzero_pd(), x); \ - sqrt_result = (uint64_t)(_mm_cvtsi128_si64( \ - _mm_sub_epi64(_mm_castpd_si128(x), exp_double_bias))) >> \ - 19; \ - } while (0) - -#define VARIANT2_INTEGER_MATH_SQRT_STEP_FP64() \ - do { \ - sqrt_result = sqrt(sqrt_input + 18446744073709551616.0) * 2.0 - 8589934592.0; \ - } while (0) - -#define VARIANT2_INTEGER_MATH_SQRT_STEP_REF() sqrt_result = integer_square_root_v2(sqrt_input) - -// Reference implementation of the integer square root for Cryptonight variant 2 -// Computes integer part of "sqrt(2^64 + n) * 2 - 2^33" -// -// In other words, given 64-bit unsigned integer n: -// 1) Write it as x = 1.NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN000... in -// binary (1 <= x < 2, all 64 bits of n are used) 2) Calculate sqrt(x) -// = 1.0RRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRR... (1 <= sqrt(x) < sqrt(2), so it will always start with -// "1.0" in binary) 3) Take 32 bits that come after "1.0" and return them as a 32-bit unsigned -// integer, discard all remaining bits -// -// Some sample inputs and outputs: -// -// Input | Output | Exact value of "sqrt(2^64 + n) * 2 - 2^33" -// -----------------|------------|------------------------------------------- -// 0 | 0 | 0 -// 2^32 | 0 | 0.99999999994179233909330885695244... -// 2^32 + 1 | 1 | 1.0000000001746229827200734316305... -// 2^50 | 262140 | 262140.00012206565608606978175873... -// 2^55 + 20963331 | 8384515 | 8384515.9999999997673963974959744... -// 2^55 + 20963332 | 8384516 | 8384516 -// 2^62 + 26599786 | 1013904242 | 1013904242.9999999999479374853545... -// 2^62 + 26599787 | 1013904243 | 1013904243.0000000001561875439364... -// 2^64 - 1 | 3558067407 | 3558067407.9041987696409179931096... - -// The reference implementation as it is now uses only unsigned int64 arithmetic, so it can't have -// undefined behavior It was tested once for all edge cases and confirmed correct -static inline uint32_t integer_square_root_v2(uint64_t n) { - uint64_t r = 1ULL << 63; - - for (uint64_t bit = 1ULL << 60; bit; bit >>= 2) { - const bool b = (n < r + bit); - const uint64_t n_next = n - (r + bit); - const uint64_t r_next = r + bit * 2; - n = b ? n : n_next; - r = b ? r : r_next; - r >>= 1; - } - - return r * 2 + ((n > r) ? 1 : 0); -} - -/* -VARIANT2_INTEGER_MATH_SQRT_FIXUP checks that "r" is an integer part of "sqrt(2^64 + sqrt_input) * 2 -- 2^33" and adds or subtracts 1 if needed It's hard to understand how it works, so here is a full -calculation of formulas used in VARIANT2_INTEGER_MATH_SQRT_FIXUP - -The following inequalities must hold for r if it's an integer part of "sqrt(2^64 + sqrt_input) * 2 - -2^33": 1) r <= sqrt(2^64 + sqrt_input) * 2 - 2^33 2) r + 1 > sqrt(2^64 + sqrt_input) * 2 - 2^33 - -We need to check them using only unsigned integer arithmetic to avoid rounding errors and undefined -behavior - -First inequality: r <= sqrt(2^64 + sqrt_input) * 2 - 2^33 ------------------------------------------------------------------------------------ -r <= sqrt(2^64 + sqrt_input) * 2 - 2^33 -r + 2^33 <= sqrt(2^64 + sqrt_input) * 2 -r/2 + 2^32 <= sqrt(2^64 + sqrt_input) -(r/2 + 2^32)^2 <= 2^64 + sqrt_input - -Rewrite r as r = s * 2 + b (s = trunc(r/2), b is 0 or 1) - -((s*2+b)/2 + 2^32)^2 <= 2^64 + sqrt_input -(s*2+b)^2/4 + 2*2^32*(s*2+b)/2 + 2^64 <= 2^64 + sqrt_input -(s*2+b)^2/4 + 2*2^32*(s*2+b)/2 <= sqrt_input -(s*2+b)^2/4 + 2^32*r <= sqrt_input -(s^2*4+2*s*2*b+b^2)/4 + 2^32*r <= sqrt_input -s^2+s*b+b^2/4 + 2^32*r <= sqrt_input -s*(s+b) + b^2/4 + 2^32*r <= sqrt_input - -Let r2 = s*(s+b) + r*2^32 -r2 + b^2/4 <= sqrt_input - -If this inequality doesn't hold, then we must decrement r: IF "r2 + b^2/4 > sqrt_input" THEN r = r - -1 - -b can be 0 or 1 -If b is 0 then we need to compare "r2 > sqrt_input" -If b is 1 then b^2/4 = 0.25, so we need to compare "r2 + 0.25 > sqrt_input" -Since both r2 and sqrt_input are integers, we can safely replace it with "r2 + 1 > sqrt_input" ------------------------------------------------------------------------------------ -Both cases can be merged to a single expression "r2 + b > sqrt_input" ------------------------------------------------------------------------------------ -There will be no overflow when calculating "r2 + b", so it's safe to compare with sqrt_input: -r2 + b = s*(s+b) + r*2^32 + b -The largest value s, b and r can have is s = 1779033703, b = 1, r = 3558067407 when sqrt_input = -2^64 - 1 r2 + b <= 1779033703*1779033704 + 3558067407*2^32 + 1 = 18446744068217447385 < 2^64 - -Second inequality: r + 1 > sqrt(2^64 + sqrt_input) * 2 - 2^33 ------------------------------------------------------------------------------------ -r + 1 > sqrt(2^64 + sqrt_input) * 2 - 2^33 -r + 1 + 2^33 > sqrt(2^64 + sqrt_input) * 2 -((r+1)/2 + 2^32)^2 > 2^64 + sqrt_input - -Rewrite r as r = s * 2 + b (s = trunc(r/2), b is 0 or 1) - -((s*2+b+1)/2 + 2^32)^2 > 2^64 + sqrt_input -(s*2+b+1)^2/4 + 2*(s*2+b+1)/2*2^32 + 2^64 > 2^64 + sqrt_input -(s*2+b+1)^2/4 + (s*2+b+1)*2^32 > sqrt_input -(s*2+b+1)^2/4 + (r+1)*2^32 > sqrt_input -(s*2+(b+1))^2/4 + r*2^32 + 2^32 > sqrt_input -(s^2*4+2*s*2*(b+1)+(b+1)^2)/4 + r*2^32 + 2^32 > sqrt_input -s^2+s*(b+1)+(b+1)^2/4 + r*2^32 + 2^32 > sqrt_input -s*(s+b) + s + (b+1)^2/4 + r*2^32 + 2^32 > sqrt_input - -Let r2 = s*(s+b) + r*2^32 - -r2 + s + (b+1)^2/4 + 2^32 > sqrt_input -r2 + 2^32 + (b+1)^2/4 > sqrt_input - s - -If this inequality doesn't hold, then we must decrement r: IF "r2 + 2^32 + (b+1)^2/4 <= sqrt_input - -s" THEN r = r - 1 b can be 0 or 1 If b is 0 then we need to compare "r2 + 2^32 + 1/4 <= sqrt_input - -s" which is equal to "r2 + 2^32 < sqrt_input - s" because all numbers here are integers If b is 1 -then (b+1)^2/4 = 1, so we need to compare "r2 + 2^32 + 1 <= sqrt_input - s" which is also equal to -"r2 + 2^32 < sqrt_input - s" ------------------------------------------------------------------------------------ -Both cases can be merged to a single expression "r2 + 2^32 < sqrt_input - s" ------------------------------------------------------------------------------------ -There will be no overflow when calculating "r2 + 2^32": -r2 + 2^32 = s*(s+b) + r*2^32 + 2^32 = s*(s+b) + (r+1)*2^32 -The largest value s, b and r can have is s = 1779033703, b = 1, r = 3558067407 when sqrt_input = -2^64 - 1 r2 + b <= 1779033703*1779033704 + 3558067408*2^32 = 18446744072512414680 < 2^64 - -There will be no integer overflow when calculating "sqrt_input - s", i.e. "sqrt_input >= s" at all -times: s = trunc(r/2) = trunc(sqrt(2^64 + sqrt_input) - 2^32) < sqrt(2^64 + sqrt_input) - 2^32 + 1 -sqrt_input > sqrt(2^64 + sqrt_input) - 2^32 + 1 -sqrt_input + 2^32 - 1 > sqrt(2^64 + sqrt_input) -(sqrt_input + 2^32 - 1)^2 > sqrt_input + 2^64 -sqrt_input^2 + 2*sqrt_input*(2^32 - 1) + (2^32-1)^2 > sqrt_input + 2^64 -sqrt_input^2 + sqrt_input*(2^33 - 2) + (2^32-1)^2 > sqrt_input + 2^64 -sqrt_input^2 + sqrt_input*(2^33 - 3) + (2^32-1)^2 > 2^64 -sqrt_input^2 + sqrt_input*(2^33 - 3) + 2^64-2^33+1 > 2^64 -sqrt_input^2 + sqrt_input*(2^33 - 3) - 2^33 + 1 > 0 -This inequality is true if sqrt_input > 1 and it's easy to check that s = 0 if sqrt_input is 0 or 1, -so there will be no integer overflow -*/ - -#define VARIANT2_INTEGER_MATH_SQRT_FIXUP(r) \ - do { \ - const uint64_t s = r >> 1; \ - const uint64_t b = r & 1; \ - const uint64_t r2 = (uint64_t)(s) * (s + b) + (r << 32); \ - r += ((r2 + b > sqrt_input) ? -1 : 0) + ((r2 + (1ULL << 32) < sqrt_input - s) ? 1 : 0); \ - } while (0) - -#endif diff --git a/src/ethyl-keccak/CMakeLists.txt b/src/ethyl-keccak/CMakeLists.txt new file mode 100644 index 0000000..9f15a13 --- /dev/null +++ b/src/ethyl-keccak/CMakeLists.txt @@ -0,0 +1,13 @@ +# The keccak implementation here is copied from oxen-core; we only compile this if building ethyl +# standalone; when building inside oxen-core we set the ENABLE_CRYPTO_LIBRARY to false so that the +# ethyl-keccak just transitively links to cncrypto instead. + + +if(${PROJECT_NAME}_ENABLE_CRYPTO_LIBRARY) + add_library(ethyl-keccak crypto/keccak.cpp) + target_include_directories(ethyl-keccak PUBLIC .) + target_link_libraries(ethyl-keccak PRIVATE oxenc::oxenc) +else() + add_library(ethyl-keccak INTERFACE) + target_link_libraries(ethyl-keccak INTERFACE cncrypto) +endif() diff --git a/src/crypto/keccak.c b/src/ethyl-keccak/crypto/keccak.cpp similarity index 84% rename from src/crypto/keccak.c rename to src/ethyl-keccak/crypto/keccak.cpp index 678117e..06f7e89 100644 --- a/src/crypto/keccak.c +++ b/src/ethyl-keccak/crypto/keccak.cpp @@ -4,14 +4,13 @@ #include "keccak.h" -#include -#include -#include -#include +#include +#include +#include +extern "C" { #include - -#include "int-util.h" -#include "hash-ops.h" +} +#include static void local_abort(const char* msg) { fprintf(stderr, "%s\n", msg); @@ -22,6 +21,8 @@ static void local_abort(const char* msg) { #endif } +enum { HASH_DATA_AREA = 136 }; + const uint64_t keccakf_rndc[24] = { 0x0000000000000001, 0x0000000000008082, 0x800000000000808a, 0x8000000080008000, 0x000000000000808b, 0x0000000080000001, 0x8000000080008081, 0x8000000000008009, @@ -38,7 +39,7 @@ const int keccakf_piln[24] = {10, 7, 11, 17, 18, 3, 5, 16, 8, 21, 24, 4, // update the state with given number of rounds -void keccakf(uint64_t st[25], int rounds) { +extern "C" void keccakf(uint64_t st[25], int rounds) { int i, j, round; uint64_t t, bc[5]; @@ -79,7 +80,18 @@ void keccakf(uint64_t st[25], int rounds) { // compute a keccak hash (md) of given byte length from "in" typedef uint64_t state_t[25]; -void keccak(const uint8_t* in, size_t inlen, uint8_t* md, int mdlen) { + +static inline void memcpy_swap64le(void *dst, const void *src, size_t n) { + if constexpr (oxenc::little_endian) { + memcpy(dst, src, n * 8); + } else { + for (size_t i = 0; i < n; i++) + ((uint64_t *) dst)[i] = oxenc::host_to_little(((const uint64_t *) src)[i]); + } +} + + +extern "C" void keccak(const uint8_t* in, size_t inlen, uint8_t* md, size_t mdlen) { state_t st; uint8_t temp[144]; size_t i, rsiz, rsizw; @@ -96,9 +108,7 @@ void keccak(const uint8_t* in, size_t inlen, uint8_t* md, int mdlen) { for (; inlen >= rsiz; inlen -= rsiz, in += rsiz) { for (i = 0; i < rsizw; i++) { - uint64_t ina; - memcpy(&ina, in + i * 8, 8); - st[i] ^= SWAP64LE(ina); + st[i] ^= oxenc::load_little_to_host(in + i * 8); } keccakf(st, KECCAK_ROUNDS); } @@ -116,17 +126,18 @@ void keccak(const uint8_t* in, size_t inlen, uint8_t* md, int mdlen) { temp[rsiz - 1] |= 0x80; for (i = 0; i < rsizw; i++) - st[i] ^= SWAP64LE(((uint64_t*)temp)[i]); + st[i] ^= oxenc::load_little_to_host(temp + i * 8); keccakf(st, KECCAK_ROUNDS); if (((size_t)mdlen % sizeof(uint64_t)) != 0) { local_abort("Bad keccak use"); } + memcpy_swap64le(md, st, mdlen / sizeof(uint64_t)); } -void keccak1600(const uint8_t* in, size_t inlen, uint8_t* md) { +extern "C" void keccak1600(const uint8_t* in, size_t inlen, uint8_t* md) { keccak(in, inlen, md, sizeof(state_t)); } @@ -138,16 +149,16 @@ void keccak1600(const uint8_t* in, size_t inlen, uint8_t* md) { #define KECCAK_PROCESS_BLOCK(st, block) \ { \ for (int i_ = 0; i_ < KECCAK_WORDS; i_++) { \ - ((st))[i_] ^= SWAP64LE(((block))[i_]); \ + ((st))[i_] ^= oxenc::little_to_host((block)[i_]); \ }; \ keccakf(st, KECCAK_ROUNDS); \ } -void keccak_init(KECCAK_CTX* ctx) { +extern "C" void keccak_init(KECCAK_CTX* ctx) { memset(ctx, 0, sizeof(KECCAK_CTX)); } -void keccak_update(KECCAK_CTX* ctx, const uint8_t* in, size_t inlen) { +extern "C" void keccak_update(KECCAK_CTX* ctx, const uint8_t* in, size_t inlen) { if (ctx->rest & KECCAK_FINALIZED) { local_abort("Bad keccak use"); } @@ -187,7 +198,7 @@ void keccak_update(KECCAK_CTX* ctx, const uint8_t* in, size_t inlen) { } } -void keccak_finish(KECCAK_CTX* ctx, uint8_t* md) { +extern "C" void keccak_finish(KECCAK_CTX* ctx, uint8_t* md) { if (!(ctx->rest & KECCAK_FINALIZED)) { // clear the rest of the data queue memset((char*)ctx->message + ctx->rest, 0, KECCAK_BLOCKLEN - ctx->rest); diff --git a/src/crypto/keccak.h b/src/ethyl-keccak/crypto/keccak.h similarity index 86% rename from src/crypto/keccak.h rename to src/ethyl-keccak/crypto/keccak.h index 89a8aed..2c9d753 100644 --- a/src/crypto/keccak.h +++ b/src/ethyl-keccak/crypto/keccak.h @@ -4,6 +4,10 @@ #ifndef KECCAK_H #define KECCAK_H +#ifdef __cplusplus +extern "C" { +#endif + #include #include @@ -26,7 +30,7 @@ typedef struct KECCAK_CTX { } KECCAK_CTX; // compute a keccak hash (md) of given byte length from "in" -void keccak(const uint8_t* in, size_t inlen, uint8_t* md, int mdlen); +void keccak(const uint8_t* in, size_t inlen, uint8_t* md, size_t mdlen); // update the state void keccakf(uint64_t st[25], int norounds); @@ -36,4 +40,9 @@ void keccak1600(const uint8_t* in, size_t inlen, uint8_t* md); void keccak_init(KECCAK_CTX* ctx); void keccak_update(KECCAK_CTX* ctx, const uint8_t* in, size_t inlen); void keccak_finish(KECCAK_CTX* ctx, uint8_t* md); + +#ifdef __cplusplus +} #endif +#endif + diff --git a/src/provider.cpp b/src/provider.cpp index 0eea59c..abaa758 100644 --- a/src/provider.cpp +++ b/src/provider.cpp @@ -402,7 +402,7 @@ std::string Provider::sendTransaction(const Transaction& signedTx) { // Create and send a raw transaction returns the hash without checking if it succeeded in getting into the mempool std::string Provider::sendUncheckedTransaction(const Transaction& signedTx) { nlohmann::json params = nlohmann::json::array(); - params.push_back(signedTx.serialized()); + params.push_back("0x" + signedTx.serializeAsHex()); auto response = makeJsonRpcRequest("eth_sendRawTransaction", params, connectTimeout); if (response.status_code == 200) { @@ -428,7 +428,7 @@ uint64_t Provider::waitForTransaction( // Parse the block number from the hex string auto blockNumberHex = (*maybe_tx_json)["blockNumber"].get(); - return utils::fromHexStringToUint64(blockNumberHex); + return utils::hexStringToU64(blockNumberHex); } return std::nullopt; }, @@ -443,7 +443,7 @@ bool Provider::transactionSuccessful(std::string_view txHash, std::chrono::milli // Parse the status from the hex string auto statusHex = (*maybe_tx_json)["status"].get(); - return static_cast(utils::fromHexStringToUint64(statusHex)); + return static_cast(utils::hexStringToU64(statusHex)); } return std::nullopt; }, @@ -458,7 +458,7 @@ uint64_t Provider::gasUsed(std::string_view txHash, std::chrono::milliseconds ti // Parse the status from the hex string auto gasUsed = (*maybe_tx_json)["gasUsed"].get(); - return utils::fromHexStringToUint64(gasUsed); + return utils::hexStringToU64(gasUsed); } return std::nullopt; }, diff --git a/src/signer.cpp b/src/signer.cpp index 30ba922..dcdfa07 100644 --- a/src/signer.cpp +++ b/src/signer.cpp @@ -1,21 +1,20 @@ #include "ethyl/signer.hpp" -#include -#include -#include - #include "ethyl/ecdsa_util.h" #include "ethyl/utils.hpp" #include "ethyl/transaction.hpp" #include +#include +#include + namespace ethyl { Signer::Signer() { ctx = secp256k1_context_create(SECP256K1_CONTEXT_SIGN | SECP256K1_CONTEXT_VERIFY); unsigned char randomize[32]; - if (!fill_random(randomize, sizeof(randomize))) { + if (!ethyl_fill_random(randomize, sizeof(randomize))) { throw std::runtime_error("Failed to generate randomness"); } if (!secp256k1_context_randomize(ctx, randomize)) @@ -33,7 +32,7 @@ std::pair, std::vector> Signer::genera secp256k1_pubkey pubkey; while (1) { - if (!fill_random(seckey, sizeof(seckey))) { + if (!ethyl_fill_random(seckey, sizeof(seckey))) { throw std::runtime_error("Failed to generate randomness"); } if (secp256k1_ec_seckey_verify(ctx, seckey)) { @@ -53,7 +52,7 @@ std::pair, std::vector> Signer::genera std::vector(compressed_pubkey, compressed_pubkey + sizeof(compressed_pubkey))}; } -std::array Signer::secretKeyToAddress(std::span seckey) { +Bytes20 Signer::secretKeyToAddress(std::span seckey) { std::string address; // Verify the private key. @@ -68,70 +67,36 @@ std::array Signer::secretKeyToAddress(std::span pub; - size_t pub_len = 65; + std::array pub; + size_t pub_len = pub.max_size(); secp256k1_ec_pubkey_serialize(ctx, pub.data(), &pub_len, &pubkey, SECP256K1_EC_UNCOMPRESSED); - std::string_view pub_string{reinterpret_cast(pub.data()), pub.size()}; - // Skip the type byte. - pub_string.remove_prefix(1); - auto hashed_pub = utils::hash(pub_string); + // Skip the type byte by trimming the header byte (0x04) + std::string_view pub_string = + std::string_view(reinterpret_cast(pub.data()) + 1, pub.size() - 1); + Bytes32 hashed_pub = utils::hashBytes(pub_string); // The last 20 bytes of the Keccak-256 hash of the public key in hex is the address. - std::array result = {}; + Bytes20 result = {}; std::memcpy(result.data(), hashed_pub.data() + hashed_pub.size() - result.size(), result.size()); return result; } -std::string Signer::secretKeyToAddressString(std::span seckey) { - std::array address = secretKeyToAddress(seckey); - std::string result = {}; - result.reserve(2 + (address.max_size() * 2)); - result += "0x"; - result += utils::toHexString(address); +std::string Signer::secretKeyToAddressString(std::span seckey) +{ + Bytes20 address = secretKeyToAddress(seckey); + std::string result = "0x" + oxenc::to_hex(address.begin(), address.end()); return result; } - -std::vector Signer::sign(const std::array& hash, std::span seckey) { - secp256k1_ecdsa_recoverable_signature sig; - unsigned char serialized_signature[64]; - int recid; - - if (!secp256k1_ecdsa_sign_recoverable(ctx, &sig, hash.data(), seckey.data(), NULL, NULL)) - throw std::runtime_error("Failed to sign"); - - if (!secp256k1_ecdsa_recoverable_signature_serialize_compact(ctx, serialized_signature, &recid, &sig)) - throw std::runtime_error("Failed to serialize signature"); - - // Create a vector and fill it with the serialized signature - std::vector signature(serialized_signature, serialized_signature + sizeof(serialized_signature)); - - // https://github.com/ethereum/EIPs/blob/master/EIPS/eip-155.md - // TODO sean it looks like the EIP modifys how this is done in new ones from that EIP - // - // If block.number >= FORK_BLKNUM and v = CHAIN_ID * 2 + 35 or v = CHAIN_ID * 2 + 36, - // then when computing the hash of a transaction for purposes of recovering, - // instead of hashing six rlp encoded elements (nonce, gasprice, startgas, to, value, data), - // hash nine rlp encoded elements (nonce, gasprice, startgas, to, value, data, chainid, 0, 0). - // The currently existing signature scheme using v = 27 and v = 28 remains valid and continues to operate under the same rules as it did previously. - signature.push_back(static_cast(recid)); - - return signature; -} - -std::vector Signer::sign(std::string_view hash, std::span seckey) { - return sign(utils::fromHexString32Byte(hash), seckey); -} - -void Signer::populateTransaction(Transaction& tx, std::string sender_address) { +void Signer::populateTransaction(Transaction& tx, std::string senderAddress) { // Check if the signer has a client if (provider.clients.empty()) throw std::runtime_error("Signer does not have a provider with any RPC backends set. Ensure that the provider has atleast one client"); // If nonce is not set, get it from the network if (tx.nonce == 0) { - tx.nonce = provider.getTransactionCount(sender_address, "pending"); + tx.nonce = provider.getTransactionCount(senderAddress, "pending"); } // Get network's chain ID @@ -159,27 +124,81 @@ void Signer::populateTransaction(Transaction& tx, std::string sender_address) { } } -// Hash the message and sign -std::vector Signer::signMessage(std::string_view message, std::span seckey) { - return sign(utils::hash(message), seckey); +std::vector sign_old(secp256k1_context *ctx, const std::array& hash, std::span seckey) { + secp256k1_ecdsa_recoverable_signature sig; + unsigned char serialized_signature[64]; + int recid; + + if (!secp256k1_ecdsa_sign_recoverable(ctx, &sig, hash.data(), seckey.data(), NULL, NULL)) + throw std::runtime_error("Failed to sign"); + + if (!secp256k1_ecdsa_recoverable_signature_serialize_compact(ctx, serialized_signature, &recid, &sig)) + throw std::runtime_error("Failed to serialize signature"); + + // Create a vector and fill it with the serialized signature + std::vector signature(serialized_signature, serialized_signature + sizeof(serialized_signature)); + + // https://github.com/ethereum/EIPs/blob/master/EIPS/eip-155.md + // TODO sean it looks like the EIP modifys how this is done in new ones from that EIP + // + // If block.number >= FORK_BLKNUM and v = CHAIN_ID * 2 + 35 or v = CHAIN_ID * 2 + 36, + // then when computing the hash of a transaction for purposes of recovering, + // instead of hashing six rlp encoded elements (nonce, gasprice, startgas, to, value, data), + // hash nine rlp encoded elements (nonce, gasprice, startgas, to, value, data, chainid, 0, 0). + // The currently existing signature scheme using v = 27 and v = 28 remains valid and continues to operate under the same rules as it did previously. + signature.push_back(static_cast(recid)); + return signature; +} + +ECDSACompactSignature Signer::sign32(std::span hash, std::span seckey) { + secp256k1_ecdsa_recoverable_signature sig = {}; + ECDSACompactSignature result = {}; + int recoveryID = 0; + + if (!secp256k1_ecdsa_sign_recoverable(ctx, &sig, hash.data(), seckey.data(), + NULL, NULL)) + throw std::runtime_error("Failed to sign"); + + if (!secp256k1_ecdsa_recoverable_signature_serialize_compact(ctx, result.data(), &recoveryID, &sig)) + throw std::runtime_error("Failed to serialize signature"); + + // https://github.com/ethereum/EIPs/blob/master/EIPS/eip-155.md + // TODO sean it looks like the EIP modifys how this is done in new ones from that EIP + // + // If block.number >= FORK_BLKNUM and v = CHAIN_ID * 2 + 35 or v = CHAIN_ID * 2 + 36, + // then when computing the hash of a transaction for purposes of recovering, + // instead of hashing six rlp encoded elements (nonce, gasprice, startgas, to, value, data), + // hash nine rlp encoded elements (nonce, gasprice, startgas, to, value, data, chainid, 0, 0). + // The currently existing signature scheme using v = 27 and v = 28 remains valid and continues to operate under the same rules as it did previously. + assert(recoveryID <= 255); + result.back() = static_cast(recoveryID); + return result; +} + +ECDSACompactSignature Signer::signMessage(std::string_view message, std::span seckey) { + Bytes32 hash = utils::hashBytes(message); + ECDSACompactSignature result = sign32(hash, seckey); + return result; } -// Hash the transaction and sign -std::string Signer::signTransaction(Transaction& txn, std::span seckey) { - const auto signature_hex = utils::toHexString(sign(txn.hash(), seckey)); - txn.sig.fromHex(signature_hex); +std::vector Signer::signTransaction(Transaction& tx, std::span seckey) { + ECDSACompactSignature signature = sign32(tx.hash(), seckey); + tx.sig.set(signature); + std::vector result = tx.serialize(); + return result; +} - return txn.serialized(); +std::string Signer::signTransactionAsHex(Transaction& tx, std::span seckey) { + std::vector signature = signTransaction(tx, seckey); + std::string result = oxenc::to_hex(signature.begin(), signature.end()); + return result; } -// Populates the txn, signs and sends -std::string Signer::sendTransaction(Transaction& txn, std::span seckey) { +std::string Signer::sendTransaction(Transaction& tx, std::span seckey) { const auto senders_address = secretKeyToAddressString(seckey); - - populateTransaction(txn, senders_address); - const auto signature_hex = utils::toHexString(sign(txn.hash(), seckey)); - txn.sig.fromHex(signature_hex); - const auto hash = provider.sendTransaction(txn); - return hash; + populateTransaction(tx, senders_address); + signTransaction(tx, seckey); + const auto result = provider.sendTransaction(tx); + return result; } }; // namespace ethyl diff --git a/src/transaction.cpp b/src/transaction.cpp index 9a2653a..9811183 100644 --- a/src/transaction.cpp +++ b/src/transaction.cpp @@ -1,8 +1,14 @@ #include "ethyl/transaction.hpp" -#include "ethyl/utils.hpp" #include +namespace ethyl +{ +Transaction::Transaction(std::string to, uint64_t value, uint64_t gasLimit, + std::string data) + : to{std::move(to)}, value{std::move(value)}, gasLimit{gasLimit}, + data{std::move(data)} {} + /** * Returns the raw Bytes of the EIP-1559 transaction, in order. * @@ -12,7 +18,7 @@ * For an unsigned tx this method uses the empty Bytes values for the * signature parameters `v`, `r` and `s` for encoding. */ -std::string Transaction::serialized() const { +std::vector Transaction::serialize() const { using namespace oxenc; std::vector, std::vector, std::vector>> arr; @@ -28,32 +34,43 @@ std::string Transaction::serialized() const { // Access list not going to use arr.push_back(std::vector{}); - if (!sig.isEmpty()) { + if (sig.init) { arr.push_back(sig.signatureYParity); arr.push_back(oxenc::rlp_big_integer(sig.signatureR)); arr.push_back(oxenc::rlp_big_integer(sig.signatureS)); } - return "0x02" + oxenc::to_hex(rlp_serialize(arr)); -} -std::string Transaction::hash() const { - return "0x" + utils::toHexString(utils::hash(serialized())); + std::string serializedBytes = rlp_serialize(arr); + std::vector result; + result.reserve(1 /*header*/ + serializedBytes.size()); + result.push_back(0x02); + result.insert(result.end(), serializedBytes.begin(), serializedBytes.end()); + return result; } -bool Signature::isEmpty() const { - return signatureYParity == 0 && signatureR.empty() && signatureS.empty(); +std::string Transaction::serializeAsHex() const { + std::vector serializedBytes = serialize(); + std::string result = oxenc::to_hex(serializedBytes.begin(), serializedBytes.end()); + return result; } -void Signature::fromHex(std::string_view hex_str) { +Bytes32 Transaction::hash() const { + std::vector serializedBytes = serialize(); + Bytes32 result = utils::hashBytes(serializedBytes); + return result; +} - auto bytes = utils::fromHexString(hex_str); - if (bytes.size() != 65) { - throw std::invalid_argument("Input string length should be 130 characters for 65 bytes"); - } +std::string Transaction::hashAsHex() const { + Bytes32 txHash = hash(); + std::string result = oxenc::to_hex(txHash.begin(), txHash.end()); + return result; +} - signatureR.resize(32); - signatureS.resize(32); - std::memcpy(signatureR.data(), bytes.data(), 32); - std::memcpy(signatureS.data(), bytes.data() + 32, 32); - signatureYParity = bytes[64]; +void Signature::set(const ECDSACompactSignature& signature) { + assert(signature.max_size() == 65); + std::memcpy(signatureR.data(), &signature[0], 32); + std::memcpy(signatureS.data(), &signature[32], 32); + signatureYParity = static_cast(signature[signature.max_size() - 1]); + init = true; } +} // namespace ethyl diff --git a/src/utils.cpp b/src/utils.cpp index 49fd3f4..f12570e 100644 --- a/src/utils.cpp +++ b/src/utils.cpp @@ -12,6 +12,8 @@ extern "C" { #include "crypto/keccak.h" } +namespace ethyl +{ std::string utils::decimalToHex(uint64_t decimal, bool prefixed_0x) { char buf[22]; if (prefixed_0x) { @@ -35,12 +37,16 @@ std::string_view utils::trimLeadingZeros(std::string_view src) { return src; } -uint64_t utils::fromHexStringToUint64(std::string_view hexStr) { +uint64_t utils::hexStringToU64(std::string_view hexStr) { + hexStr = trimPrefix(hexStr, "0x"); + hexStr = trimPrefix(hexStr, "0X"); + hexStr = trimLeadingZeros(hexStr); + uint64_t val; - if (parseInt(trimPrefix(hexStr, "0x"), val, 16)) + if (parseInt(hexStr, val, 16)) return val; - throw std::invalid_argument{"failed to parse integer from hex input"}; + throw std::invalid_argument{"failed to parse integer from hex input: " + std::string(hexStr)}; } template std::vector utils::fromHexString(std::string_view); @@ -48,28 +54,33 @@ template std::vector utils::fromHexString(std::str template std::array utils::fromHexString32Byte(std::string_view); template std::array utils::fromHexString32Byte(std::string_view); -std::array utils::hash(std::string_view in) { - std::vector bytes; +Bytes32 utils::hashHex(std::string_view hex) { + std::vector bytes = fromHexString(hex); + Bytes32 result = hashBytesPtr(bytes.data(), bytes.size()); + return result; +} - // Check for "0x" prefix and if exists, convert the hex to bytes - if (in.starts_with("0x")) { - bytes = fromHexString(in); - in = {bytes.data(), bytes.size()}; - } - std::array hash; - keccak(reinterpret_cast(in.data()), in.size(), hash.data(), 32); - return hash; +Bytes32 utils::hashBytesPtr(const void *bytes, size_t size) { + Bytes32 result; + keccak(reinterpret_cast(bytes), size, result.data(), result.max_size()); + return result; } -// Function to get the function signature for Ethereum contract interaction -std::string utils::getFunctionSignature(const std::string& function) { - std::array hash = utils::hash(function); +Bytes32 utils::hashBytes(std::span bytes) { + Bytes32 result = hashBytesPtr(bytes.data(), bytes.size()); + return result; +} - // Convert the hash to hex string - std::string hashHex = toHexString(hash); +Bytes32 utils::hashBytes(std::span bytes) { + Bytes32 result = hashBytesPtr(bytes.data(), bytes.size()); + return result; +} - // Return the first 8 characters of the hex string (4 bytes) plus 0x prefix - return "0x" + hashHex.substr(0, 8); +std::string utils::toEthFunctionSignature(std::string_view function) { + Bytes32 hash = utils::hashBytes(std::span(reinterpret_cast(function.data()), function.size())); + std::string hashHex = oxenc::to_hex(hash.begin(), hash.end()); + std::string result = "0x" + hashHex.substr(0, 8); // Return the first 8 characters of the hex string (4 bytes) plus 0x prefix + return result; } std::string utils::padToNBytes( @@ -117,3 +128,4 @@ std::string utils::trimAddress(const std::string& address) { // Trim and return the address return "0x" + address.substr(firstNonZero, 40); } +}; // namespace ethyl diff --git a/test/CMakeLists.txt b/test/CMakeLists.txt index 3421377..161d77f 100644 --- a/test/CMakeLists.txt +++ b/test/CMakeLists.txt @@ -15,7 +15,6 @@ foreach(file ${test_sources}) PRIVATE Catch2::Catch2WithMain ${CMAKE_PROJECT_NAME} - cncrypto cpr::cpr ) target_include_directories( diff --git a/test/src/basic.cpp b/test/src/basic.cpp index c80cd7b..abec5df 100644 --- a/test/src/basic.cpp +++ b/test/src/basic.cpp @@ -12,6 +12,7 @@ #include #include "ethyl/ecdsa_util.h" +#include #include #include @@ -52,7 +53,7 @@ int ecdsa() { secp256k1_ecdsa_signature sig; /* Before we can call actual API functions, we need to create a "context". */ secp256k1_context* ctx = secp256k1_context_create(SECP256K1_CONTEXT_NONE); - if (!fill_random(randomize, sizeof(randomize))) { + if (!ethyl_fill_random(randomize, sizeof(randomize))) { printf("Failed to generate randomness\n"); return 1; } @@ -68,7 +69,7 @@ int ecdsa() { * order), we try to sample a new key. Note that the probability of this * happening is negligible. */ while (1) { - if (!fill_random(seckey, sizeof(seckey))) { + if (!ethyl_fill_random(seckey, sizeof(seckey))) { printf("Failed to generate randomness\n"); return 1; } @@ -120,13 +121,14 @@ int ecdsa() { /* Verify a signature. This will return 1 if it's valid and 0 if it's not. */ is_signature_valid = secp256k1_ecdsa_verify(ctx, &sig, msg_hash, &pubkey); + std::string seckey_hex = oxenc::to_hex(std::begin(seckey), std::end(seckey)); + std::string compressed_pubkey_hex = oxenc::to_hex(std::begin(compressed_pubkey), std::end(compressed_pubkey)); + std::string serialized_signature_hex = oxenc::to_hex(std::begin(serialized_signature), std::end(serialized_signature)); + printf("Is the signature valid? %s\n", is_signature_valid ? "true" : "false"); - printf("Secret Key: "); - print_hex(seckey, sizeof(seckey)); - printf("Public Key: "); - print_hex(compressed_pubkey, sizeof(compressed_pubkey)); - printf("Signature: "); - print_hex(serialized_signature, sizeof(serialized_signature)); + printf("Secret Key: %s\n", seckey_hex.c_str()); + printf("Public Key: %s\n", compressed_pubkey_hex.c_str()); + printf("Signature: %s\n", serialized_signature_hex.c_str()); /* This will clear everything from the context and free the memory */ secp256k1_context_destroy(ctx); @@ -147,7 +149,7 @@ int ecdsa() { * * Here we are preventing these writes from being optimized out, as any good compiler * will remove any writes that aren't used. */ - secure_erase(seckey, sizeof(seckey)); + ethyl_secure_erase(seckey, sizeof(seckey)); return 0; } diff --git a/test/src/ethereum_client.cpp b/test/src/ethereum_client.cpp index 58887fe..4a6682d 100644 --- a/test/src/ethereum_client.cpp +++ b/test/src/ethereum_client.cpp @@ -36,14 +36,17 @@ TEST_CASE( "Get balance from sepolia network", "[ethereum]" ) { } TEST_CASE( "HashTest", "[utils]" ) { - std::string hash_hello_world = utils::toHexString(utils::hash("hello world!")); + std::string_view text = "hello world!"; + Bytes32 hash = utils::hashBytes(std::span(text.data(), text.size())); + std::string hash_hello_world = oxenc::to_hex(hash.begin(), hash.end()); REQUIRE( hash_hello_world == "57caa176af1ac0433c5df30e8dabcd2ec1af1e92a26eced5f719b88458777cd6" ); } TEST_CASE( "SigningTest", "[signer]" ) { - std::string hash_hello_world = utils::toHexString(utils::hash("Hello World!\n")); + Bytes32 hash = utils::hashBytes("Hello World!\n"); + std::string hash_hello_world = oxenc::to_hex(hash.begin(), hash.end()); const auto signature_bytes = signer.signMessage("Hello World!", PRIVATE_KEY); - std::string signature_hex = utils::toHexString(signature_bytes); + std::string signature_hex = oxenc::to_hex(signature_bytes.begin(), signature_bytes.end()); REQUIRE( signature_hex == "35f409302082e02b5126c82be93a3946d30e93722ce3ff87bdb01fc385fe312054f3fade7fab80dcabadabf96af75577327dfd064abd47a36543a475e04840e701" ); } @@ -72,8 +75,8 @@ TEST_CASE( "Serialise a raw transaction correctly", "[transaction]" ) { Transaction tx("0xA6C077fd9283421C657EcEa8a9c1422cc6CEbc80", 1000000000000000000, 21000); tx.nonce = 1; tx.chainId = 1; - std::string raw_tx = tx.serialized(); - std::string correct_raw_tx = "0x02e70101808082520894a6c077fd9283421c657ecea8a9c1422cc6cebc80880de0b6b3a764000080c0"; + std::string raw_tx = tx.serializeAsHex(); + std::string correct_raw_tx = "02e70101808082520894a6c077fd9283421c657ecea8a9c1422cc6cebc80880de0b6b3a764000080c0"; REQUIRE(raw_tx == correct_raw_tx); } @@ -81,8 +84,8 @@ TEST_CASE( "Hashes an unsigned transaction correctly", "[transaction]" ) { Transaction tx("0xA6C077fd9283421C657EcEa8a9c1422cc6CEbc80", 1000000000000000000, 21000); tx.nonce = 1; tx.chainId = 1; - std::string unsigned_hash = tx.hash(); - std::string correct_hash = "0xf81a17092cfb066efa3ff6ef92016adc06ff66a64327359c4003d215d56128b3"; + std::string unsigned_hash = tx.hashAsHex(); + std::string correct_hash = "f81a17092cfb066efa3ff6ef92016adc06ff66a64327359c4003d215d56128b3"; REQUIRE(unsigned_hash == correct_hash); } @@ -90,8 +93,8 @@ TEST_CASE( "Signs an unsigned transaction correctly", "[transaction]" ) { Transaction tx("0xA6C077fd9283421C657EcEa8a9c1422cc6CEbc80", 1000000000000000000, 21000); tx.nonce = 1; tx.chainId = 1; - const auto signature_hex_string = signer.signTransaction(tx, PRIVATE_KEY); - REQUIRE( signature_hex_string == "0x02f86a0101808082520894a6c077fd9283421c657ecea8a9c1422cc6cebc80880de0b6b3a764000080c080a084987299f8dd115333356ab03430ca8de593e03ba03d4ecd72daf15205119cf8a0216c9869da3497ae96dcb98713908af1a0abf866c12d51def821caf0374cccbb" ); + const auto signature_hex_string = signer.signTransactionAsHex(tx, PRIVATE_KEY); + REQUIRE(signature_hex_string == "02f86a0101808082520894a6c077fd9283421c657ecea8a9c1422cc6cebc80880de0b6b3a764000080c080a084987299f8dd115333356ab03430ca8de593e03ba03d4ecd72daf15205119cf8a0216c9869da3497ae96dcb98713908af1a0abf866c12d51def821caf0374cccbb" ); } TEST_CASE( "Does a self transfer", "[transaction]" ) {