1 /* $OpenBSD: md5_dgst.c,v 1.13 2014/07/09 11:10:51 bcook 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 #include "md5_locl.h" 61 #include <openssl/opensslv.h> 62 #include <openssl/crypto.h> 63 64 /* Implemented from RFC1321 The MD5 Message-Digest Algorithm 65 */ 66 67 #define INIT_DATA_A (unsigned long)0x67452301L 68 #define INIT_DATA_B (unsigned long)0xefcdab89L 69 #define INIT_DATA_C (unsigned long)0x98badcfeL 70 #define INIT_DATA_D (unsigned long)0x10325476L 71 72 int MD5_Init(MD5_CTX *c) 73 { 74 memset (c,0,sizeof(*c)); 75 c->A=INIT_DATA_A; 76 c->B=INIT_DATA_B; 77 c->C=INIT_DATA_C; 78 c->D=INIT_DATA_D; 79 return 1; 80 } 81 82 #ifndef md5_block_data_order 83 #ifdef X 84 #undef X 85 #endif 86 void md5_block_data_order (MD5_CTX *c, const void *data_, size_t num) 87 { 88 const unsigned char *data=data_; 89 unsigned MD32_REG_T A,B,C,D,l; 90 #ifndef MD32_XARRAY 91 /* See comment in crypto/sha/sha_locl.h for details. */ 92 unsigned MD32_REG_T XX0, XX1, XX2, XX3, XX4, XX5, XX6, XX7, 93 XX8, XX9,XX10,XX11,XX12,XX13,XX14,XX15; 94 # define X(i) XX##i 95 #else 96 MD5_LONG XX[MD5_LBLOCK]; 97 # define X(i) XX[i] 98 #endif 99 100 A=c->A; 101 B=c->B; 102 C=c->C; 103 D=c->D; 104 105 for (;num--;) 106 { 107 HOST_c2l(data,l); X( 0)=l; HOST_c2l(data,l); X( 1)=l; 108 /* Round 0 */ 109 R0(A,B,C,D,X( 0), 7,0xd76aa478L); HOST_c2l(data,l); X( 2)=l; 110 R0(D,A,B,C,X( 1),12,0xe8c7b756L); HOST_c2l(data,l); X( 3)=l; 111 R0(C,D,A,B,X( 2),17,0x242070dbL); HOST_c2l(data,l); X( 4)=l; 112 R0(B,C,D,A,X( 3),22,0xc1bdceeeL); HOST_c2l(data,l); X( 5)=l; 113 R0(A,B,C,D,X( 4), 7,0xf57c0fafL); HOST_c2l(data,l); X( 6)=l; 114 R0(D,A,B,C,X( 5),12,0x4787c62aL); HOST_c2l(data,l); X( 7)=l; 115 R0(C,D,A,B,X( 6),17,0xa8304613L); HOST_c2l(data,l); X( 8)=l; 116 R0(B,C,D,A,X( 7),22,0xfd469501L); HOST_c2l(data,l); X( 9)=l; 117 R0(A,B,C,D,X( 8), 7,0x698098d8L); HOST_c2l(data,l); X(10)=l; 118 R0(D,A,B,C,X( 9),12,0x8b44f7afL); HOST_c2l(data,l); X(11)=l; 119 R0(C,D,A,B,X(10),17,0xffff5bb1L); HOST_c2l(data,l); X(12)=l; 120 R0(B,C,D,A,X(11),22,0x895cd7beL); HOST_c2l(data,l); X(13)=l; 121 R0(A,B,C,D,X(12), 7,0x6b901122L); HOST_c2l(data,l); X(14)=l; 122 R0(D,A,B,C,X(13),12,0xfd987193L); HOST_c2l(data,l); X(15)=l; 123 R0(C,D,A,B,X(14),17,0xa679438eL); 124 R0(B,C,D,A,X(15),22,0x49b40821L); 125 /* Round 1 */ 126 R1(A,B,C,D,X( 1), 5,0xf61e2562L); 127 R1(D,A,B,C,X( 6), 9,0xc040b340L); 128 R1(C,D,A,B,X(11),14,0x265e5a51L); 129 R1(B,C,D,A,X( 0),20,0xe9b6c7aaL); 130 R1(A,B,C,D,X( 5), 5,0xd62f105dL); 131 R1(D,A,B,C,X(10), 9,0x02441453L); 132 R1(C,D,A,B,X(15),14,0xd8a1e681L); 133 R1(B,C,D,A,X( 4),20,0xe7d3fbc8L); 134 R1(A,B,C,D,X( 9), 5,0x21e1cde6L); 135 R1(D,A,B,C,X(14), 9,0xc33707d6L); 136 R1(C,D,A,B,X( 3),14,0xf4d50d87L); 137 R1(B,C,D,A,X( 8),20,0x455a14edL); 138 R1(A,B,C,D,X(13), 5,0xa9e3e905L); 139 R1(D,A,B,C,X( 2), 9,0xfcefa3f8L); 140 R1(C,D,A,B,X( 7),14,0x676f02d9L); 141 R1(B,C,D,A,X(12),20,0x8d2a4c8aL); 142 /* Round 2 */ 143 R2(A,B,C,D,X( 5), 4,0xfffa3942L); 144 R2(D,A,B,C,X( 8),11,0x8771f681L); 145 R2(C,D,A,B,X(11),16,0x6d9d6122L); 146 R2(B,C,D,A,X(14),23,0xfde5380cL); 147 R2(A,B,C,D,X( 1), 4,0xa4beea44L); 148 R2(D,A,B,C,X( 4),11,0x4bdecfa9L); 149 R2(C,D,A,B,X( 7),16,0xf6bb4b60L); 150 R2(B,C,D,A,X(10),23,0xbebfbc70L); 151 R2(A,B,C,D,X(13), 4,0x289b7ec6L); 152 R2(D,A,B,C,X( 0),11,0xeaa127faL); 153 R2(C,D,A,B,X( 3),16,0xd4ef3085L); 154 R2(B,C,D,A,X( 6),23,0x04881d05L); 155 R2(A,B,C,D,X( 9), 4,0xd9d4d039L); 156 R2(D,A,B,C,X(12),11,0xe6db99e5L); 157 R2(C,D,A,B,X(15),16,0x1fa27cf8L); 158 R2(B,C,D,A,X( 2),23,0xc4ac5665L); 159 /* Round 3 */ 160 R3(A,B,C,D,X( 0), 6,0xf4292244L); 161 R3(D,A,B,C,X( 7),10,0x432aff97L); 162 R3(C,D,A,B,X(14),15,0xab9423a7L); 163 R3(B,C,D,A,X( 5),21,0xfc93a039L); 164 R3(A,B,C,D,X(12), 6,0x655b59c3L); 165 R3(D,A,B,C,X( 3),10,0x8f0ccc92L); 166 R3(C,D,A,B,X(10),15,0xffeff47dL); 167 R3(B,C,D,A,X( 1),21,0x85845dd1L); 168 R3(A,B,C,D,X( 8), 6,0x6fa87e4fL); 169 R3(D,A,B,C,X(15),10,0xfe2ce6e0L); 170 R3(C,D,A,B,X( 6),15,0xa3014314L); 171 R3(B,C,D,A,X(13),21,0x4e0811a1L); 172 R3(A,B,C,D,X( 4), 6,0xf7537e82L); 173 R3(D,A,B,C,X(11),10,0xbd3af235L); 174 R3(C,D,A,B,X( 2),15,0x2ad7d2bbL); 175 R3(B,C,D,A,X( 9),21,0xeb86d391L); 176 177 A = c->A += A; 178 B = c->B += B; 179 C = c->C += C; 180 D = c->D += D; 181 } 182 } 183 #endif 184