1/**********************************************************************
2 * md_gost.c *
3 * Copyright (c) 2005-2006 Cryptocom LTD *
4 * This file is distributed under the same license as OpenSSL *
5 * *
6 * OpenSSL interface to GOST R 34.11-94 hash functions *
7 * Requires OpenSSL 0.9.9 for compilation *
8 **********************************************************************/
9#include <string.h>
10#include "gost_lcl.h"
11#include "gosthash.h"
12#include "e_gost_err.h"
13
14/* implementation of GOST 34.11 hash function See gost_md.c*/
15static int gost_digest_init(EVP_MD_CTX *ctx);
| 1/**********************************************************************
2 * md_gost.c *
3 * Copyright (c) 2005-2006 Cryptocom LTD *
4 * This file is distributed under the same license as OpenSSL *
5 * *
6 * OpenSSL interface to GOST R 34.11-94 hash functions *
7 * Requires OpenSSL 0.9.9 for compilation *
8 **********************************************************************/
9#include <string.h>
10#include "gost_lcl.h"
11#include "gosthash.h"
12#include "e_gost_err.h"
13
14/* implementation of GOST 34.11 hash function See gost_md.c*/
15static int gost_digest_init(EVP_MD_CTX *ctx);
|
16static int gost_digest_update(EVP_MD_CTX *ctx, const void *data, size_t count);
17static int gost_digest_final(EVP_MD_CTX *ctx,unsigned char *md);
18static int gost_digest_copy(EVP_MD_CTX *to,const EVP_MD_CTX *from);
| 16static int gost_digest_update(EVP_MD_CTX *ctx, const void *data,
17 size_t count);
18static int gost_digest_final(EVP_MD_CTX *ctx, unsigned char *md);
19static int gost_digest_copy(EVP_MD_CTX *to, const EVP_MD_CTX *from);
|
19static int gost_digest_cleanup(EVP_MD_CTX *ctx);
20
| 20static int gost_digest_cleanup(EVP_MD_CTX *ctx);
21
|
21EVP_MD digest_gost=
22 {
23 NID_id_GostR3411_94,
24 NID_undef,
25 32,
26 EVP_MD_FLAG_PKEY_METHOD_SIGNATURE,
27 gost_digest_init,
28 gost_digest_update,
29 gost_digest_final,
30 gost_digest_copy,
31 gost_digest_cleanup,
32 NULL,
33 NULL,
34 {NID_undef,NID_undef,0,0,0},
35 32,
36 sizeof(struct ossl_gost_digest_ctx ),
37 NULL
38 };
| 22EVP_MD digest_gost = {
23 NID_id_GostR3411_94,
24 NID_undef,
25 32,
26 EVP_MD_FLAG_PKEY_METHOD_SIGNATURE,
27 gost_digest_init,
28 gost_digest_update,
29 gost_digest_final,
30 gost_digest_copy,
31 gost_digest_cleanup,
32 NULL,
33 NULL,
34 {NID_undef, NID_undef, 0, 0, 0},
35 32,
36 sizeof(struct ossl_gost_digest_ctx),
37 NULL
38};
|
39
| 39
|
40int gost_digest_init(EVP_MD_CTX *ctx)
41 {
42 struct ossl_gost_digest_ctx *c = ctx->md_data;
43 memset(&(c->dctx),0,sizeof(gost_hash_ctx));
44 gost_init(&(c->cctx),&GostR3411_94_CryptoProParamSet);
45 c->dctx.cipher_ctx= &(c->cctx);
46 return 1;
47 }
| 40int gost_digest_init(EVP_MD_CTX *ctx)
41{
42 struct ossl_gost_digest_ctx *c = ctx->md_data;
43 memset(&(c->dctx), 0, sizeof(gost_hash_ctx));
44 gost_init(&(c->cctx), &GostR3411_94_CryptoProParamSet);
45 c->dctx.cipher_ctx = &(c->cctx);
46 return 1;
47}
|
48
| 48
|
49int gost_digest_update(EVP_MD_CTX *ctx,const void *data,size_t count)
50 {
51 return hash_block((gost_hash_ctx *)ctx->md_data,data,count);
52 }
| 49int gost_digest_update(EVP_MD_CTX *ctx, const void *data, size_t count)
50{
51 return hash_block((gost_hash_ctx *) ctx->md_data, data, count);
52}
|
53
| 53
|
54int gost_digest_final(EVP_MD_CTX *ctx,unsigned char *md)
55 {
56 return finish_hash((gost_hash_ctx *)ctx->md_data,md);
57
58 }
| 54int gost_digest_final(EVP_MD_CTX *ctx, unsigned char *md)
55{
56 return finish_hash((gost_hash_ctx *) ctx->md_data, md);
|
59
| 57
|
60int gost_digest_copy(EVP_MD_CTX *to,const EVP_MD_CTX *from)
61 {
62 struct ossl_gost_digest_ctx *md_ctx=to->md_data;
63 if (to->md_data && from->md_data) {
64 memcpy(to->md_data,from->md_data,sizeof(struct ossl_gost_digest_ctx));
65 md_ctx->dctx.cipher_ctx=&(md_ctx->cctx);
66 }
67 return 1;
68 }
| 58}
|
69
| 59
|
70int gost_digest_cleanup(EVP_MD_CTX *ctx)
71 {
72 if (ctx->md_data)
73 memset(ctx->md_data,0,sizeof(struct ossl_gost_digest_ctx));
74 return 1;
75 }
| 60int gost_digest_copy(EVP_MD_CTX *to, const EVP_MD_CTX *from)
61{
62 struct ossl_gost_digest_ctx *md_ctx = to->md_data;
63 if (to->md_data && from->md_data) {
64 memcpy(to->md_data, from->md_data,
65 sizeof(struct ossl_gost_digest_ctx));
66 md_ctx->dctx.cipher_ctx = &(md_ctx->cctx);
67 }
68 return 1;
69}
70
71int gost_digest_cleanup(EVP_MD_CTX *ctx)
72{
73 if (ctx->md_data)
74 memset(ctx->md_data, 0, sizeof(struct ossl_gost_digest_ctx));
75 return 1;
76}
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