1 /* $OpenBSD: m_streebog.c,v 1.4 2022/01/14 08:38:06 tb Exp $ */
2 /*
3 * Copyright (c) 2014 Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
4 * Copyright (c) 2005-2006 Cryptocom LTD
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 *
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 *
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in
15 * the documentation and/or other materials provided with the
16 * distribution.
17 *
18 * 3. All advertising materials mentioning features or use of this
19 * software must display the following acknowledgment:
20 * "This product includes software developed by the OpenSSL Project
21 * for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
22 *
23 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
24 * endorse or promote products derived from this software without
25 * prior written permission. For written permission, please contact
26 * openssl-core@openssl.org.
27 *
28 * 5. Products derived from this software may not be called "OpenSSL"
29 * nor may "OpenSSL" appear in their names without prior written
30 * permission of the OpenSSL Project.
31 *
32 * 6. Redistributions of any form whatsoever must retain the following
33 * acknowledgment:
34 * "This product includes software developed by the OpenSSL Project
35 * for use in the OpenSSL Toolkit (http://www.openssl.org/)"
36 *
37 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
38 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
39 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
40 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
41 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
42 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
43 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
44 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
45 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
46 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
47 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
48 * OF THE POSSIBILITY OF SUCH DAMAGE.
49 * ====================================================================
50 */
51
52 #include <openssl/opensslconf.h>
53
54 #ifndef OPENSSL_NO_GOST
55
56 #include <openssl/evp.h>
57 #include <openssl/gost.h>
58 #include <openssl/objects.h>
59
60 #include "evp_locl.h"
61
62 static int
streebog_init256(EVP_MD_CTX * ctx)63 streebog_init256(EVP_MD_CTX *ctx)
64 {
65 return STREEBOG256_Init(ctx->md_data);
66 }
67
68 static int
streebog_update256(EVP_MD_CTX * ctx,const void * data,size_t count)69 streebog_update256(EVP_MD_CTX *ctx, const void *data, size_t count)
70 {
71 return STREEBOG256_Update(ctx->md_data, data, count);
72 }
73
74 static int
streebog_final256(EVP_MD_CTX * ctx,unsigned char * md)75 streebog_final256(EVP_MD_CTX *ctx, unsigned char *md)
76 {
77 return STREEBOG256_Final(md, ctx->md_data);
78 }
79
80 static int
streebog_init512(EVP_MD_CTX * ctx)81 streebog_init512(EVP_MD_CTX *ctx)
82 {
83 return STREEBOG512_Init(ctx->md_data);
84 }
85
86 static int
streebog_update512(EVP_MD_CTX * ctx,const void * data,size_t count)87 streebog_update512(EVP_MD_CTX *ctx, const void *data, size_t count)
88 {
89 return STREEBOG512_Update(ctx->md_data, data, count);
90 }
91
92 static int
streebog_final512(EVP_MD_CTX * ctx,unsigned char * md)93 streebog_final512(EVP_MD_CTX *ctx, unsigned char *md)
94 {
95 return STREEBOG512_Final(md, ctx->md_data);
96 }
97
98 static const EVP_MD streebog256_md = {
99 .type = NID_id_tc26_gost3411_2012_256,
100 .pkey_type = NID_undef,
101 .md_size = STREEBOG256_LENGTH,
102 .flags = 0,
103 .init = streebog_init256,
104 .update = streebog_update256,
105 .final = streebog_final256,
106 .block_size = STREEBOG_CBLOCK,
107 .ctx_size = sizeof(EVP_MD *) + sizeof(STREEBOG_CTX),
108 };
109
110 static const EVP_MD streebog512_md = {
111 .type = NID_id_tc26_gost3411_2012_512,
112 .pkey_type = NID_undef,
113 .md_size = STREEBOG512_LENGTH,
114 .flags = 0,
115 .init = streebog_init512,
116 .update = streebog_update512,
117 .final = streebog_final512,
118 .block_size = STREEBOG_CBLOCK,
119 .ctx_size = sizeof(EVP_MD *) + sizeof(STREEBOG_CTX),
120 };
121
122 const EVP_MD *
EVP_streebog256(void)123 EVP_streebog256(void)
124 {
125 return (&streebog256_md);
126 }
127
128 const EVP_MD *
EVP_streebog512(void)129 EVP_streebog512(void)
130 {
131 return (&streebog512_md);
132 }
133 #endif
134