md4_dgst.c revision 296465
1/* crypto/md4/md4_dgst.c */ 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 "md4_locl.h" 61#include <openssl/opensslv.h> 62#include <openssl/err.h> 63#ifdef OPENSSL_FIPS 64# include <openssl/fips.h> 65#endif 66 67const char MD4_version[] = "MD4" OPENSSL_VERSION_PTEXT; 68 69/* 70 * Implemented from RFC1186 The MD4 Message-Digest Algorithm 71 */ 72 73#define INIT_DATA_A (unsigned long)0x67452301L 74#define INIT_DATA_B (unsigned long)0xefcdab89L 75#define INIT_DATA_C (unsigned long)0x98badcfeL 76#define INIT_DATA_D (unsigned long)0x10325476L 77 78FIPS_NON_FIPS_MD_Init(MD4) 79{ 80 c->A = INIT_DATA_A; 81 c->B = INIT_DATA_B; 82 c->C = INIT_DATA_C; 83 c->D = INIT_DATA_D; 84 c->Nl = 0; 85 c->Nh = 0; 86 c->num = 0; 87 return 1; 88} 89 90#ifndef md4_block_data_order 91# ifdef X 92# undef X 93# endif 94void md4_block_data_order(MD4_CTX *c, const void *data_, size_t num) 95{ 96 const unsigned char *data = data_; 97 register unsigned MD32_REG_T A, B, C, D, l; 98# ifndef MD32_XARRAY 99 /* See comment in crypto/sha/sha_locl.h for details. */ 100 unsigned MD32_REG_T XX0, XX1, XX2, XX3, XX4, XX5, XX6, XX7, 101 XX8, XX9, XX10, XX11, XX12, XX13, XX14, XX15; 102# define X(i) XX##i 103# else 104 MD4_LONG XX[MD4_LBLOCK]; 105# define X(i) XX[i] 106# endif 107 108 A = c->A; 109 B = c->B; 110 C = c->C; 111 D = c->D; 112 113 for (; num--;) { 114 HOST_c2l(data, l); 115 X(0) = l; 116 HOST_c2l(data, l); 117 X(1) = l; 118 /* Round 0 */ 119 R0(A, B, C, D, X(0), 3, 0); 120 HOST_c2l(data, l); 121 X(2) = l; 122 R0(D, A, B, C, X(1), 7, 0); 123 HOST_c2l(data, l); 124 X(3) = l; 125 R0(C, D, A, B, X(2), 11, 0); 126 HOST_c2l(data, l); 127 X(4) = l; 128 R0(B, C, D, A, X(3), 19, 0); 129 HOST_c2l(data, l); 130 X(5) = l; 131 R0(A, B, C, D, X(4), 3, 0); 132 HOST_c2l(data, l); 133 X(6) = l; 134 R0(D, A, B, C, X(5), 7, 0); 135 HOST_c2l(data, l); 136 X(7) = l; 137 R0(C, D, A, B, X(6), 11, 0); 138 HOST_c2l(data, l); 139 X(8) = l; 140 R0(B, C, D, A, X(7), 19, 0); 141 HOST_c2l(data, l); 142 X(9) = l; 143 R0(A, B, C, D, X(8), 3, 0); 144 HOST_c2l(data, l); 145 X(10) = l; 146 R0(D, A, B, C, X(9), 7, 0); 147 HOST_c2l(data, l); 148 X(11) = l; 149 R0(C, D, A, B, X(10), 11, 0); 150 HOST_c2l(data, l); 151 X(12) = l; 152 R0(B, C, D, A, X(11), 19, 0); 153 HOST_c2l(data, l); 154 X(13) = l; 155 R0(A, B, C, D, X(12), 3, 0); 156 HOST_c2l(data, l); 157 X(14) = l; 158 R0(D, A, B, C, X(13), 7, 0); 159 HOST_c2l(data, l); 160 X(15) = l; 161 R0(C, D, A, B, X(14), 11, 0); 162 R0(B, C, D, A, X(15), 19, 0); 163 /* Round 1 */ 164 R1(A, B, C, D, X(0), 3, 0x5A827999L); 165 R1(D, A, B, C, X(4), 5, 0x5A827999L); 166 R1(C, D, A, B, X(8), 9, 0x5A827999L); 167 R1(B, C, D, A, X(12), 13, 0x5A827999L); 168 R1(A, B, C, D, X(1), 3, 0x5A827999L); 169 R1(D, A, B, C, X(5), 5, 0x5A827999L); 170 R1(C, D, A, B, X(9), 9, 0x5A827999L); 171 R1(B, C, D, A, X(13), 13, 0x5A827999L); 172 R1(A, B, C, D, X(2), 3, 0x5A827999L); 173 R1(D, A, B, C, X(6), 5, 0x5A827999L); 174 R1(C, D, A, B, X(10), 9, 0x5A827999L); 175 R1(B, C, D, A, X(14), 13, 0x5A827999L); 176 R1(A, B, C, D, X(3), 3, 0x5A827999L); 177 R1(D, A, B, C, X(7), 5, 0x5A827999L); 178 R1(C, D, A, B, X(11), 9, 0x5A827999L); 179 R1(B, C, D, A, X(15), 13, 0x5A827999L); 180 /* Round 2 */ 181 R2(A, B, C, D, X(0), 3, 0x6ED9EBA1L); 182 R2(D, A, B, C, X(8), 9, 0x6ED9EBA1L); 183 R2(C, D, A, B, X(4), 11, 0x6ED9EBA1L); 184 R2(B, C, D, A, X(12), 15, 0x6ED9EBA1L); 185 R2(A, B, C, D, X(2), 3, 0x6ED9EBA1L); 186 R2(D, A, B, C, X(10), 9, 0x6ED9EBA1L); 187 R2(C, D, A, B, X(6), 11, 0x6ED9EBA1L); 188 R2(B, C, D, A, X(14), 15, 0x6ED9EBA1L); 189 R2(A, B, C, D, X(1), 3, 0x6ED9EBA1L); 190 R2(D, A, B, C, X(9), 9, 0x6ED9EBA1L); 191 R2(C, D, A, B, X(5), 11, 0x6ED9EBA1L); 192 R2(B, C, D, A, X(13), 15, 0x6ED9EBA1L); 193 R2(A, B, C, D, X(3), 3, 0x6ED9EBA1L); 194 R2(D, A, B, C, X(11), 9, 0x6ED9EBA1L); 195 R2(C, D, A, B, X(7), 11, 0x6ED9EBA1L); 196 R2(B, C, D, A, X(15), 15, 0x6ED9EBA1L); 197 198 A = c->A += A; 199 B = c->B += B; 200 C = c->C += C; 201 D = c->D += D; 202 } 203} 204#endif 205