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authormarha <marha@users.sourceforge.net>2010-03-30 12:36:28 +0000
committermarha <marha@users.sourceforge.net>2010-03-30 12:36:28 +0000
commitff48c0d9098080b51ea12710029135916d117806 (patch)
tree96e6af9caf170ba21a1027b24e306a07e27d7b75 /openssl/engines/ccgost/gost_md.c
parentbb731f5ac92655c4860a41fa818a7a63005f8369 (diff)
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svn merge -r514:HEAD ^/branches/released .
Diffstat (limited to 'openssl/engines/ccgost/gost_md.c')
-rw-r--r--openssl/engines/ccgost/gost_md.c75
1 files changed, 75 insertions, 0 deletions
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 <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;
+ }