From ff48c0d9098080b51ea12710029135916d117806 Mon Sep 17 00:00:00 2001 From: marha Date: Tue, 30 Mar 2010 12:36:28 +0000 Subject: svn merge -r514:HEAD ^/branches/released . --- openssl/engines/ccgost/gost_md.c | 75 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 75 insertions(+) create mode 100644 openssl/engines/ccgost/gost_md.c (limited to 'openssl/engines/ccgost/gost_md.c') diff --git a/openssl/engines/ccgost/gost_md.c b/openssl/engines/ccgost/gost_md.c new file mode 100644 index 000000000..417e10887 --- /dev/null +++ b/openssl/engines/ccgost/gost_md.c @@ -0,0 +1,75 @@ +/********************************************************************** + * md_gost.c * + * Copyright (c) 2005-2006 Cryptocom LTD * + * This file is distributed under the same license as OpenSSL * + * * + * OpenSSL interface to GOST R 34.11-94 hash functions * + * Requires OpenSSL 0.9.9 for compilation * + **********************************************************************/ +#include +#include "gost_lcl.h" +#include "gosthash.h" +#include "e_gost_err.h" + +/* implementation of GOST 34.11 hash function See gost_md.c*/ +static int gost_digest_init(EVP_MD_CTX *ctx); +static int gost_digest_update(EVP_MD_CTX *ctx, const void *data, size_t count); +static int gost_digest_final(EVP_MD_CTX *ctx,unsigned char *md); +static int gost_digest_copy(EVP_MD_CTX *to,const EVP_MD_CTX *from); +static int gost_digest_cleanup(EVP_MD_CTX *ctx); + +EVP_MD digest_gost= + { + NID_id_GostR3411_94, + NID_undef, + 32, + EVP_MD_FLAG_PKEY_METHOD_SIGNATURE, + gost_digest_init, + gost_digest_update, + gost_digest_final, + gost_digest_copy, + gost_digest_cleanup, + NULL, + NULL, + {NID_undef,NID_undef,0,0,0}, + 32, + sizeof(struct ossl_gost_digest_ctx ), + NULL + }; + +int gost_digest_init(EVP_MD_CTX *ctx) + { + struct ossl_gost_digest_ctx *c = ctx->md_data; + memset(&(c->dctx),0,sizeof(gost_hash_ctx)); + gost_init(&(c->cctx),&GostR3411_94_CryptoProParamSet); + c->dctx.cipher_ctx= &(c->cctx); + return 1; + } + +int gost_digest_update(EVP_MD_CTX *ctx,const void *data,size_t count) + { + return hash_block((gost_hash_ctx *)ctx->md_data,data,count); + } + +int gost_digest_final(EVP_MD_CTX *ctx,unsigned char *md) + { + return finish_hash((gost_hash_ctx *)ctx->md_data,md); + + } + +int gost_digest_copy(EVP_MD_CTX *to,const EVP_MD_CTX *from) + { + struct ossl_gost_digest_ctx *md_ctx=to->md_data; + if (to->md_data && from->md_data) { + memcpy(to->md_data,from->md_data,sizeof(struct ossl_gost_digest_ctx)); + md_ctx->dctx.cipher_ctx=&(md_ctx->cctx); + } + return 1; + } + +int gost_digest_cleanup(EVP_MD_CTX *ctx) + { + if (ctx->md_data) + memset(ctx->md_data,0,sizeof(struct ossl_gost_digest_ctx)); + return 1; + } -- cgit v1.2.3