1 /* $OpenBSD: m_gost2814789.c,v 1.2 2014/11/09 23:06:50 miod 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 #include <openssl/opensslconf.h> 52 53 #ifndef OPENSSL_NO_GOST 54 55 #include <openssl/evp.h> 56 #include <openssl/gost.h> 57 #include <openssl/objects.h> 58 59 static int 60 gost2814789_init(EVP_MD_CTX *ctx) 61 { 62 return GOST2814789IMIT_Init(ctx->md_data, 63 NID_id_Gost28147_89_CryptoPro_A_ParamSet); 64 } 65 66 static int 67 gost2814789_update(EVP_MD_CTX *ctx, const void *data, size_t count) 68 { 69 return GOST2814789IMIT_Update(ctx->md_data, data, count); 70 } 71 72 static int 73 gost2814789_final(EVP_MD_CTX *ctx, unsigned char *md) 74 { 75 return GOST2814789IMIT_Final(md, ctx->md_data); 76 } 77 78 static int 79 gost2814789_md_ctrl(EVP_MD_CTX *ctx, int cmd, int p1, void *p2) 80 { 81 GOST2814789IMIT_CTX *gctx = ctx->md_data; 82 83 switch (cmd) { 84 case EVP_MD_CTRL_SET_KEY: 85 return Gost2814789_set_key(&gctx->cipher, p2, p1); 86 case EVP_MD_CTRL_GOST_SET_SBOX: 87 return Gost2814789_set_sbox(&gctx->cipher, p1); 88 } 89 return -2; 90 } 91 92 static const EVP_MD gost2814789imit_md = { 93 .type = NID_id_Gost28147_89_MAC, 94 .pkey_type = NID_undef, 95 .md_size = GOST2814789IMIT_LENGTH, 96 .flags = 0, 97 .init = gost2814789_init, 98 .update = gost2814789_update, 99 .final = gost2814789_final, 100 .block_size = GOST2814789IMIT_CBLOCK, 101 .ctx_size = sizeof(EVP_MD *) + sizeof(GOST2814789IMIT_CTX), 102 .md_ctrl = gost2814789_md_ctrl, 103 }; 104 105 const EVP_MD * 106 EVP_gost2814789imit(void) 107 { 108 return (&gost2814789imit_md); 109 } 110 #endif 111