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YACL (Yet Another Common crypto library) is a C++ library that contains cryptgraphy, network and io modules which other SecretFlow code depends on.

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YACL (Yet Another Common crypto Library)

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A C++ library that contains common cryptgraphy, network and io modules which other SecretFlow code depends on.

Repo layout:

  • base: some basic types and utils in yacl.
  • crypto: a crypto library desigend for secure computation and so on.
    • base: basic/standarized crypto, i.e. AES, DRBG, hashing.
    • primitives: crypto primitives, i.e. OT, DPF.
    • tools: theoretical crypto tools, i.e. Random Oracle (RO), PRG.
    • utils: easy-to-use crypto utilities.
  • io: a simple streaming-based io library.
  • link: a simple rpc-based MPI framework, providing the SPMD parallel programming capability.

Supported Crypto Primitives

Oblivious Transfer (and extensions)

Distributed Point Function

Threshold Proxy-Re-encryption

  • A substitute of umbral. Our implementation supports SM2, SM3 and SM4.

Build

Prerequisite

Linux

Install gcc>=10.3, cmake, ninja, nasm

macOS

# Install Xcode
https://apps.apple.com/us/app/xcode/id497799835?mt=12

# Select Xcode toolchain version
sudo xcode-select -s /Applications/Xcode.app/Contents/Developer

# Install homebrew
https://brew.sh/

# Install dependencies
brew install bazel cmake ninja nasm automake libtool

Build & UnitTest

# build as debug
bazel build //... -c dbg

# build as release
bazel build //... -c opt

# test
bazel test //...

# [optional] build & test with ASAN if you're not on MacOS
bazel build //... -c dbg --config=asan
bazel test //... --config=asan -c dbg

# [optional] build & test with ASAN on MacOS
bazel build //... -c dbg --config=macos-asan
bazel test //... --config=macos-asan -c dbg

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YACL (Yet Another Common crypto library) is a C++ library that contains cryptgraphy, network and io modules which other SecretFlow code depends on.

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  • C++ 93.7%
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  • C 0.3%