1 /* $OpenBSD: m_md5.c,v 1.14 2014/07/11 08:44:48 jsing Exp $ */ 2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) 3 * All rights reserved. 4 * 5 * This package is an SSL implementation written 6 * by Eric Young (eay@cryptsoft.com). 7 * The implementation was written so as to conform with Netscapes SSL. 8 * 9 * This library is free for commercial and non-commercial use as long as 10 * the following conditions are aheared to. The following conditions 11 * apply to all code found in this distribution, be it the RC4, RSA, 12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation 13 * included with this distribution is covered by the same copyright terms 14 * except that the holder is Tim Hudson (tjh@cryptsoft.com). 15 * 16 * Copyright remains Eric Young's, and as such any Copyright notices in 17 * the code are not to be removed. 18 * If this package is used in a product, Eric Young should be given attribution 19 * as the author of the parts of the library used. 20 * This can be in the form of a textual message at program startup or 21 * in documentation (online or textual) provided with the package. 22 * 23 * Redistribution and use in source and binary forms, with or without 24 * modification, are permitted provided that the following conditions 25 * are met: 26 * 1. Redistributions of source code must retain the copyright 27 * notice, this list of conditions and the following disclaimer. 28 * 2. Redistributions in binary form must reproduce the above copyright 29 * notice, this list of conditions and the following disclaimer in the 30 * documentation and/or other materials provided with the distribution. 31 * 3. All advertising materials mentioning features or use of this software 32 * must display the following acknowledgement: 33 * "This product includes cryptographic software written by 34 * Eric Young (eay@cryptsoft.com)" 35 * The word 'cryptographic' can be left out if the rouines from the library 36 * being used are not cryptographic related :-). 37 * 4. If you include any Windows specific code (or a derivative thereof) from 38 * the apps directory (application code) you must include an acknowledgement: 39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" 40 * 41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND 42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 51 * SUCH DAMAGE. 52 * 53 * The licence and distribution terms for any publically available version or 54 * derivative of this code cannot be changed. i.e. this code cannot simply be 55 * copied and put under another distribution licence 56 * [including the GNU Public Licence.] 57 */ 58 59 #include <stdio.h> 60 61 #include <openssl/opensslconf.h> 62 63 #ifndef OPENSSL_NO_MD5 64 65 #include <openssl/evp.h> 66 #include <openssl/md5.h> 67 #include <openssl/objects.h> 68 #include <openssl/x509.h> 69 70 #ifndef OPENSSL_NO_RSA 71 #include <openssl/rsa.h> 72 #endif 73 74 static int 75 init(EVP_MD_CTX *ctx) 76 { 77 return MD5_Init(ctx->md_data); 78 } 79 80 static int 81 update(EVP_MD_CTX *ctx, const void *data, size_t count) 82 { 83 return MD5_Update(ctx->md_data, data, count); 84 } 85 86 static int 87 final(EVP_MD_CTX *ctx, unsigned char *md) 88 { 89 return MD5_Final(md, ctx->md_data); 90 } 91 92 static const EVP_MD md5_md = { 93 .type = NID_md5, 94 .pkey_type = NID_md5WithRSAEncryption, 95 .md_size = MD5_DIGEST_LENGTH, 96 .flags = 0, 97 .init = init, 98 .update = update, 99 .final = final, 100 .copy = NULL, 101 .cleanup = NULL, 102 #ifndef OPENSSL_NO_RSA 103 .sign = (evp_sign_method *)RSA_sign, 104 .verify = (evp_verify_method *)RSA_verify, 105 .required_pkey_type = { 106 EVP_PKEY_RSA, EVP_PKEY_RSA2, 0, 0, 107 }, 108 #endif 109 .block_size = MD5_CBLOCK, 110 .ctx_size = sizeof(EVP_MD *) + sizeof(MD5_CTX), 111 }; 112 113 const EVP_MD * 114 EVP_md5(void) 115 { 116 return (&md5_md); 117 } 118 #endif 119