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gost_eng.c
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/**********************************************************************
* gost_eng.c *
* Copyright (c) 2005-2006 Cryptocom LTD *
* This file is distributed under the same license as OpenSSL *
* *
* Main file of GOST engine *
* for OpenSSL *
* Requires OpenSSL 0.9.9 for compilation *
**********************************************************************/
#include <string.h>
#include <openssl/crypto.h>
#include <openssl/err.h>
#include <openssl/evp.h>
#include <openssl/engine.h>
#include <openssl/obj_mac.h>
#include "e_gost_err.h"
#include "gost_lcl.h"
#include "gost_grasshopper_cipher.h"
static const char* engine_gost_id = "gost";
static const char* engine_gost_name =
"Reference implementation of GOST engine";
/* Symmetric cipher and digest function registrar */
static int gost_ciphers(ENGINE* e, const EVP_CIPHER** cipher,
const int** nids, int nid);
static int gost_digests(ENGINE* e, const EVP_MD** digest,
const int** nids, int ind);
static int gost_pkey_meths(ENGINE* e, EVP_PKEY_METHOD** pmeth,
const int** nids, int nid);
static int gost_pkey_asn1_meths(ENGINE* e, EVP_PKEY_ASN1_METHOD** ameth,
const int** nids, int nid);
static int gost_cipher_nids[] = {
NID_id_Gost28147_89,
NID_gost89_cnt,
NID_gost89_cnt_12,
NID_gost89_cbc,
NID_grasshopper_ecb,
NID_grasshopper_cbc,
NID_grasshopper_cfb,
NID_grasshopper_ofb,
NID_grasshopper_ctr,
NID_magma_cbc,
NID_magma_ctr,
NID_id_tc26_cipher_gostr3412_2015_kuznyechik_ctracpkm,
0
};
static int gost_digest_nids(const int** nids) {
static int digest_nids[10] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
static int pos = 0;
static int init = 0;
if (!init) {
const EVP_MD* md;
if ((md = digest_gost()) != NULL)
digest_nids[pos++] = EVP_MD_type(md);
if ((md = imit_gost_cpa()) != NULL)
digest_nids[pos++] = EVP_MD_type(md);
if ((md = digest_gost2012_256()) != NULL)
digest_nids[pos++] = EVP_MD_type(md);
if ((md = digest_gost2012_512()) != NULL)
digest_nids[pos++] = EVP_MD_type(md);
if ((md = imit_gost_cp_12()) != NULL)
digest_nids[pos++] = EVP_MD_type(md);
if ((md = magma_omac()) != NULL)
digest_nids[pos++] = EVP_MD_type(md);
if ((md = grasshopper_omac()) != NULL)
digest_nids[pos++] = EVP_MD_type(md);
/* if ((md = magma_omac_acpkm()) != NULL)
digest_nids[pos++] = EVP_MD_type(md);*/
if ((md = grasshopper_omac_acpkm()) != NULL)
digest_nids[pos++] = EVP_MD_type(md);
digest_nids[pos] = 0;
init = 1;
}
*nids = digest_nids;
return pos;
}
static int gost_pkey_meth_nids[] = {
NID_id_GostR3410_2001,
NID_id_Gost28147_89_MAC,
NID_id_GostR3410_2012_256,
NID_id_GostR3410_2012_512,
NID_gost_mac_12,
NID_magma_mac,
NID_grasshopper_mac,
NID_id_tc26_cipher_gostr3412_2015_magma_ctracpkm_omac,
NID_id_tc26_cipher_gostr3412_2015_kuznyechik_ctracpkm_omac,
0
};
static EVP_PKEY_METHOD* pmeth_GostR3410_2001 = NULL,
* pmeth_GostR3410_2012_256 = NULL,
* pmeth_GostR3410_2012_512 = NULL,
* pmeth_Gost28147_MAC = NULL, * pmeth_Gost28147_MAC_12 = NULL,
* pmeth_magma_mac = NULL, * pmeth_grasshopper_mac = NULL,
* pmeth_magma_mac_acpkm = NULL, * pmeth_grasshopper_mac_acpkm = NULL;
static EVP_PKEY_ASN1_METHOD* ameth_GostR3410_2001 = NULL,
* ameth_GostR3410_2012_256 = NULL,
* ameth_GostR3410_2012_512 = NULL,
* ameth_Gost28147_MAC = NULL, * ameth_Gost28147_MAC_12 = NULL,
* ameth_magma_mac = NULL, * ameth_grasshopper_mac = NULL,
* ameth_magma_mac_acpkm = NULL, * ameth_grasshopper_mac_acpkm = NULL;
static int gost_engine_init(ENGINE* e) {
return 1;
}
static int gost_engine_finish(ENGINE* e) {
return 1;
}
static int gost_engine_destroy(ENGINE* e) {
EVP_delete_digest_alias("streebog256");
EVP_delete_digest_alias("streebog512");
digest_gost_destroy();
digest_gost2012_256_destroy();
digest_gost2012_512_destroy();
imit_gost_cpa_destroy();
imit_gost_cp_12_destroy();
magma_omac_destroy();
grasshopper_omac_destroy();
grasshopper_omac_acpkm_destroy();
cipher_gost_destroy();
cipher_gost_grasshopper_destroy();
gost_param_free();
pmeth_GostR3410_2001 = NULL;
pmeth_Gost28147_MAC = NULL;
pmeth_GostR3410_2012_256 = NULL;
pmeth_GostR3410_2012_512 = NULL;
pmeth_Gost28147_MAC_12 = NULL;
pmeth_magma_mac = NULL;
pmeth_grasshopper_mac = NULL;
pmeth_magma_mac_acpkm = NULL;
pmeth_grasshopper_mac_acpkm = NULL;
ameth_GostR3410_2001 = NULL;
ameth_Gost28147_MAC = NULL;
ameth_GostR3410_2012_256 = NULL;
ameth_GostR3410_2012_512 = NULL;
ameth_Gost28147_MAC_12 = NULL;
ameth_magma_mac = NULL;
ameth_grasshopper_mac = NULL;
ameth_magma_mac_acpkm = NULL;
ameth_grasshopper_mac_acpkm = NULL;
ERR_unload_GOST_strings();
return 1;
}
static int bind_gost(ENGINE* e, const char* id) {
int ret = 0;
if (id != NULL && strcmp(id, engine_gost_id) != 0)
return 0;
if (ameth_GostR3410_2001) {
printf("GOST engine already loaded\n");
goto end;
}
if (!ENGINE_set_id(e, engine_gost_id)) {
printf("ENGINE_set_id failed\n");
goto end;
}
if (!ENGINE_set_name(e, engine_gost_name)) {
printf("ENGINE_set_name failed\n");
goto end;
}
if (!ENGINE_set_digests(e, gost_digests)) {
printf("ENGINE_set_digests failed\n");
goto end;
}
if (!ENGINE_set_ciphers(e, gost_ciphers)) {
printf("ENGINE_set_ciphers failed\n");
goto end;
}
if (!ENGINE_set_pkey_meths(e, gost_pkey_meths)) {
printf("ENGINE_set_pkey_meths failed\n");
goto end;
}
if (!ENGINE_set_pkey_asn1_meths(e, gost_pkey_asn1_meths)) {
printf("ENGINE_set_pkey_asn1_meths failed\n");
goto end;
}
/* Control function and commands */
if (!ENGINE_set_cmd_defns(e, gost_cmds)) {
fprintf(stderr, "ENGINE_set_cmd_defns failed\n");
goto end;
}
if (!ENGINE_set_ctrl_function(e, gost_control_func)) {
fprintf(stderr, "ENGINE_set_ctrl_func failed\n");
goto end;
}
if (!ENGINE_set_destroy_function(e, gost_engine_destroy)
|| !ENGINE_set_init_function(e, gost_engine_init)
|| !ENGINE_set_finish_function(e, gost_engine_finish)) {
goto end;
}
if (!register_ameth_gost
(NID_id_GostR3410_2001, &ameth_GostR3410_2001, "GOST2001",
"GOST R 34.10-2001"))
goto end;
if (!register_ameth_gost
(NID_id_GostR3410_2012_256, &ameth_GostR3410_2012_256, "GOST2012_256",
"GOST R 34.10-2012 with 256 bit key"))
goto end;
if (!register_ameth_gost
(NID_id_GostR3410_2012_512, &ameth_GostR3410_2012_512, "GOST2012_512",
"GOST R 34.10-2012 with 512 bit key"))
goto end;
if (!register_ameth_gost(NID_id_Gost28147_89_MAC, &ameth_Gost28147_MAC,
"GOST-MAC", "GOST 28147-89 MAC"))
goto end;
if (!register_ameth_gost(NID_gost_mac_12, &ameth_Gost28147_MAC_12,
"GOST-MAC-12",
"GOST 28147-89 MAC with 2012 params"))
goto end;
if (!register_ameth_gost(NID_magma_mac, &ameth_magma_mac,
"MAGMA-MAC", "GOST R 34.13-2015 Magma MAC"))
goto end;
if (!register_ameth_gost(NID_grasshopper_mac, &ameth_grasshopper_mac,
"GRASSHOPPER-MAC", "GOST R 34.13-2015 Grasshopper MAC"))
goto end;
/* if (!register_ameth_gost(NID_id_tc26_cipher_gostr3412_2015_magma_ctracpkm_omac, &ameth_magma_mac_acpkm,
"ID-TC26-CIPHER-GOSTR3412-2015-MAGMA-CTRACPKM-OMAC", "GOST R 34.13-2015 Magma MAC ACPKM"))
goto end;*/
if (!register_ameth_gost(NID_id_tc26_cipher_gostr3412_2015_kuznyechik_ctracpkm_omac, &ameth_grasshopper_mac_acpkm,
"ID-TC26-CIPHER-GOSTR3412-2015-KUZNYECHIK-CTRACPKM-OMAC", "GOST R 34.13-2015 Grasshopper MAC ACPKM"))
goto end;
if (!register_pmeth_gost(NID_id_GostR3410_2001, &pmeth_GostR3410_2001, 0))
goto end;
if (!register_pmeth_gost
(NID_id_GostR3410_2012_256, &pmeth_GostR3410_2012_256, 0))
goto end;
if (!register_pmeth_gost
(NID_id_GostR3410_2012_512, &pmeth_GostR3410_2012_512, 0))
goto end;
if (!register_pmeth_gost
(NID_id_Gost28147_89_MAC, &pmeth_Gost28147_MAC, 0))
goto end;
if (!register_pmeth_gost(NID_gost_mac_12, &pmeth_Gost28147_MAC_12, 0))
goto end;
if (!register_pmeth_gost(NID_magma_mac, &pmeth_magma_mac, 0))
goto end;
if (!register_pmeth_gost(NID_grasshopper_mac, &pmeth_grasshopper_mac, 0))
goto end;
/* if (!register_pmeth_gost(NID_magma_mac_acpkm, &pmeth_magma_mac_acpkm, 0))
goto end;*/
if (!register_pmeth_gost(NID_id_tc26_cipher_gostr3412_2015_kuznyechik_ctracpkm_omac, &pmeth_grasshopper_mac_acpkm, 0))
goto end;
if (!ENGINE_register_ciphers(e)
|| !ENGINE_register_digests(e)
|| !ENGINE_register_pkey_meths(e)
/* These two actually should go in LIST_ADD command */
|| !EVP_add_cipher(cipher_gost())
|| !EVP_add_cipher(cipher_gost_cbc())
|| !EVP_add_cipher(cipher_gost_cpacnt())
|| !EVP_add_cipher(cipher_gost_cpcnt_12())
|| !EVP_add_cipher(cipher_gost_grasshopper_ecb())
|| !EVP_add_cipher(cipher_gost_grasshopper_cbc())
|| !EVP_add_cipher(cipher_gost_grasshopper_cfb())
|| !EVP_add_cipher(cipher_gost_grasshopper_ofb())
|| !EVP_add_cipher(cipher_gost_grasshopper_ctr())
|| !EVP_add_cipher(cipher_gost_grasshopper_ctracpkm())
|| !EVP_add_cipher(cipher_magma_cbc())
|| !EVP_add_cipher(cipher_magma_ctr())
|| !EVP_add_digest(digest_gost())
|| !EVP_add_digest(digest_gost2012_512())
|| !EVP_add_digest(digest_gost2012_256())
|| !EVP_add_digest(imit_gost_cpa())
|| !EVP_add_digest(imit_gost_cp_12())
|| !EVP_add_digest(magma_omac())
|| !EVP_add_digest(grasshopper_omac())
/* || !EVP_add_digest(magma_omac_acpkm()) */
|| !EVP_add_digest(grasshopper_omac_acpkm())
) {
goto end;
}
if(!EVP_add_digest_alias(SN_id_GostR3411_2012_256, "streebog256")
|| !EVP_add_digest_alias(SN_id_GostR3411_2012_512, "streebog512")) {
goto end;
}
ENGINE_register_all_complete();
ERR_load_GOST_strings();
ret = 1;
end:
return ret;
}
#ifndef OPENSSL_NO_DYNAMIC_ENGINE
IMPLEMENT_DYNAMIC_BIND_FN(bind_gost)
IMPLEMENT_DYNAMIC_CHECK_FN()
#endif /* ndef OPENSSL_NO_DYNAMIC_ENGINE */
static int gost_digests(ENGINE* e, const EVP_MD** digest,
const int** nids, int nid) {
int ok = 1;
if (digest == NULL) {
return gost_digest_nids(nids);
}
if (nid == NID_id_GostR3411_94) {
*digest = digest_gost();
} else if (nid == NID_id_Gost28147_89_MAC) {
*digest = imit_gost_cpa();
} else if (nid == NID_id_GostR3411_2012_256) {
*digest = digest_gost2012_256();
} else if (nid == NID_id_GostR3411_2012_512) {
*digest = digest_gost2012_512();
} else if (nid == NID_gost_mac_12) {
*digest = imit_gost_cp_12();
} else if (nid == NID_magma_mac) {
*digest = magma_omac();
} else if (nid == NID_grasshopper_mac) {
*digest = grasshopper_omac();
} else if (nid == NID_id_tc26_cipher_gostr3412_2015_kuznyechik_ctracpkm_omac) {
*digest = grasshopper_omac_acpkm();
} else {
ok = 0;
*digest = NULL;
}
return ok;
}
static int gost_ciphers(ENGINE* e, const EVP_CIPHER** cipher,
const int** nids, int nid) {
int ok = 1;
if (cipher == NULL) {
*nids = gost_cipher_nids;
return sizeof(gost_cipher_nids) / sizeof(gost_cipher_nids[0]) - 1;
}
if (nid == NID_id_Gost28147_89) {
*cipher = cipher_gost();
} else if (nid == NID_gost89_cnt) {
*cipher = cipher_gost_cpacnt();
} else if (nid == NID_gost89_cnt_12) {
*cipher = cipher_gost_cpcnt_12();
} else if (nid == NID_gost89_cbc) {
*cipher = cipher_gost_cbc();
} else if (nid == NID_grasshopper_ecb) {
*cipher = cipher_gost_grasshopper_ecb();
} else if (nid == NID_grasshopper_cbc) {
*cipher = cipher_gost_grasshopper_cbc();
} else if (nid == NID_grasshopper_cfb) {
*cipher = cipher_gost_grasshopper_cfb();
} else if (nid == NID_grasshopper_ofb) {
*cipher = cipher_gost_grasshopper_ofb();
} else if (nid == NID_grasshopper_ctr) {
*cipher = cipher_gost_grasshopper_ctr();
} else if (nid == NID_id_tc26_cipher_gostr3412_2015_kuznyechik_ctracpkm) {
*cipher = cipher_gost_grasshopper_ctracpkm();
} else if (nid == NID_magma_cbc) {
*cipher = cipher_magma_cbc();
} else if (nid == NID_magma_ctr) {
*cipher = cipher_magma_ctr();
} else {
ok = 0;
*cipher = NULL;
}
return ok;
}
static int gost_pkey_meths(ENGINE* e, EVP_PKEY_METHOD** pmeth,
const int** nids, int nid) {
if (pmeth == NULL) {
*nids = gost_pkey_meth_nids;
return sizeof(gost_pkey_meth_nids) / sizeof(gost_pkey_meth_nids[0]) - 1;
}
switch (nid) {
case NID_id_GostR3410_2001:
*pmeth = pmeth_GostR3410_2001;
return 1;
case NID_id_GostR3410_2012_256:
*pmeth = pmeth_GostR3410_2012_256;
return 1;
case NID_id_GostR3410_2012_512:
*pmeth = pmeth_GostR3410_2012_512;
return 1;
case NID_id_Gost28147_89_MAC:
*pmeth = pmeth_Gost28147_MAC;
return 1;
case NID_gost_mac_12:
*pmeth = pmeth_Gost28147_MAC_12;
return 1;
case NID_magma_mac:
*pmeth = pmeth_magma_mac;
return 1;
case NID_grasshopper_mac:
*pmeth = pmeth_grasshopper_mac;
return 1;
case NID_id_tc26_cipher_gostr3412_2015_magma_ctracpkm_omac:
*pmeth = pmeth_magma_mac_acpkm;
return 1;
case NID_id_tc26_cipher_gostr3412_2015_kuznyechik_ctracpkm_omac:
*pmeth = pmeth_grasshopper_mac_acpkm;
return 1;
default:;
}
*pmeth = NULL;
return 0;
}
static int gost_pkey_asn1_meths(ENGINE* e, EVP_PKEY_ASN1_METHOD** ameth,
const int** nids, int nid) {
if (ameth == NULL) {
*nids = gost_pkey_meth_nids;
return sizeof(gost_pkey_meth_nids) / sizeof(gost_pkey_meth_nids[0]) - 1;
}
switch (nid) {
case NID_id_GostR3410_2001:
*ameth = ameth_GostR3410_2001;
return 1;
case NID_id_GostR3410_2012_256:
*ameth = ameth_GostR3410_2012_256;
return 1;
case NID_id_GostR3410_2012_512:
*ameth = ameth_GostR3410_2012_512;
return 1;
case NID_id_Gost28147_89_MAC:
*ameth = ameth_Gost28147_MAC;
return 1;
case NID_gost_mac_12:
*ameth = ameth_Gost28147_MAC_12;
return 1;
case NID_magma_mac:
*ameth = ameth_magma_mac;
return 1;
case NID_grasshopper_mac:
*ameth = ameth_grasshopper_mac;
return 1;
case NID_id_tc26_cipher_gostr3412_2015_magma_ctracpkm_omac:
*ameth = ameth_magma_mac_acpkm;
return 1;
case NID_id_tc26_cipher_gostr3412_2015_kuznyechik_ctracpkm_omac:
*ameth = ameth_grasshopper_mac_acpkm;
return 1;
default:;
}
*ameth = NULL;
return 0;
}
#ifdef OPENSSL_NO_DYNAMIC_ENGINE
static ENGINE* engine_gost(void) {
ENGINE* ret = ENGINE_new();
if (!ret)
return NULL;
if (!bind_gost(ret, engine_gost_id)) {
ENGINE_free(ret);
return NULL;
}
return ret;
}
void ENGINE_load_gost(void) {
ENGINE* toadd;
if (pmeth_GostR3410_2001)
return;
toadd = engine_gost();
if (!toadd)
return;
ENGINE_add(toadd);
ENGINE_free(toadd);
ERR_clear_error();
}
#endif