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 63 streebog_init256(EVP_MD_CTX *ctx) 64 { 65 return STREEBOG256_Init(ctx->md_data); 66 } 67 68 static int 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 75 streebog_final256(EVP_MD_CTX *ctx, unsigned char *md) 76 { 77 return STREEBOG256_Final(md, ctx->md_data); 78 } 79 80 static int 81 streebog_init512(EVP_MD_CTX *ctx) 82 { 83 return STREEBOG512_Init(ctx->md_data); 84 } 85 86 static int 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 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 * 123 EVP_streebog256(void) 124 { 125 return (&streebog256_md); 126 } 127 128 const EVP_MD * 129 EVP_streebog512(void) 130 { 131 return (&streebog512_md); 132 } 133 #endif 134