Index: openssl/engines/ccgost/gost_md.c |
=================================================================== |
--- openssl/engines/ccgost/gost_md.c (revision 0) |
+++ openssl/engines/ccgost/gost_md.c (revision 0) |
@@ -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 <string.h> |
+#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; |
+ } |