1 /* $OpenBSD: m_gost2814789.c,v 1.3 2021/12/12 21:30:13 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 gost2814789_init(EVP_MD_CTX *ctx) 64 { 65 return GOST2814789IMIT_Init(ctx->md_data, 66 NID_id_Gost28147_89_CryptoPro_A_ParamSet); 67 } 68 69 static int 70 gost2814789_update(EVP_MD_CTX *ctx, const void *data, size_t count) 71 { 72 return GOST2814789IMIT_Update(ctx->md_data, data, count); 73 } 74 75 static int 76 gost2814789_final(EVP_MD_CTX *ctx, unsigned char *md) 77 { 78 return GOST2814789IMIT_Final(md, ctx->md_data); 79 } 80 81 static int 82 gost2814789_md_ctrl(EVP_MD_CTX *ctx, int cmd, int p1, void *p2) 83 { 84 GOST2814789IMIT_CTX *gctx = ctx->md_data; 85 86 switch (cmd) { 87 case EVP_MD_CTRL_SET_KEY: 88 return Gost2814789_set_key(&gctx->cipher, p2, p1); 89 case EVP_MD_CTRL_GOST_SET_SBOX: 90 return Gost2814789_set_sbox(&gctx->cipher, p1); 91 } 92 return -2; 93 } 94 95 static const EVP_MD gost2814789imit_md = { 96 .type = NID_id_Gost28147_89_MAC, 97 .pkey_type = NID_undef, 98 .md_size = GOST2814789IMIT_LENGTH, 99 .flags = 0, 100 .init = gost2814789_init, 101 .update = gost2814789_update, 102 .final = gost2814789_final, 103 .block_size = GOST2814789IMIT_CBLOCK, 104 .ctx_size = sizeof(EVP_MD *) + sizeof(GOST2814789IMIT_CTX), 105 .md_ctrl = gost2814789_md_ctrl, 106 }; 107 108 const EVP_MD * 109 EVP_gost2814789imit(void) 110 { 111 return (&gost2814789imit_md); 112 } 113 #endif 114