Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 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> |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 60 | #include "md4_locl.h" |
Alexandre Savard | 7541067 | 2012-08-08 09:50:01 -0400 | [diff] [blame] | 61 | #include <openssl/opensslv.h> |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 62 | |
| 63 | const char MD4_version[]="MD4" OPENSSL_VERSION_PTEXT; |
| 64 | |
| 65 | /* Implemented from RFC1186 The MD4 Message-Digest Algorithm |
| 66 | */ |
| 67 | |
| 68 | #define INIT_DATA_A (unsigned long)0x67452301L |
| 69 | #define INIT_DATA_B (unsigned long)0xefcdab89L |
| 70 | #define INIT_DATA_C (unsigned long)0x98badcfeL |
| 71 | #define INIT_DATA_D (unsigned long)0x10325476L |
| 72 | |
Alexandre Savard | 7541067 | 2012-08-08 09:50:01 -0400 | [diff] [blame] | 73 | int MD4_Init(MD4_CTX *c) |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 74 | { |
| 75 | memset (c,0,sizeof(*c)); |
| 76 | c->A=INIT_DATA_A; |
| 77 | c->B=INIT_DATA_B; |
| 78 | c->C=INIT_DATA_C; |
| 79 | c->D=INIT_DATA_D; |
| 80 | return 1; |
| 81 | } |
| 82 | |
| 83 | #ifndef md4_block_data_order |
| 84 | #ifdef X |
| 85 | #undef X |
| 86 | #endif |
| 87 | void md4_block_data_order (MD4_CTX *c, const void *data_, size_t num) |
| 88 | { |
| 89 | const unsigned char *data=data_; |
| 90 | register unsigned MD32_REG_T A,B,C,D,l; |
| 91 | #ifndef MD32_XARRAY |
| 92 | /* See comment in crypto/sha/sha_locl.h for details. */ |
| 93 | unsigned MD32_REG_T XX0, XX1, XX2, XX3, XX4, XX5, XX6, XX7, |
| 94 | XX8, XX9,XX10,XX11,XX12,XX13,XX14,XX15; |
| 95 | # define X(i) XX##i |
| 96 | #else |
| 97 | MD4_LONG XX[MD4_LBLOCK]; |
| 98 | # define X(i) XX[i] |
| 99 | #endif |
| 100 | |
| 101 | A=c->A; |
| 102 | B=c->B; |
| 103 | C=c->C; |
| 104 | D=c->D; |
| 105 | |
| 106 | for (;num--;) |
| 107 | { |
| 108 | HOST_c2l(data,l); X( 0)=l; HOST_c2l(data,l); X( 1)=l; |
| 109 | /* Round 0 */ |
| 110 | R0(A,B,C,D,X( 0), 3,0); HOST_c2l(data,l); X( 2)=l; |
| 111 | R0(D,A,B,C,X( 1), 7,0); HOST_c2l(data,l); X( 3)=l; |
| 112 | R0(C,D,A,B,X( 2),11,0); HOST_c2l(data,l); X( 4)=l; |
| 113 | R0(B,C,D,A,X( 3),19,0); HOST_c2l(data,l); X( 5)=l; |
| 114 | R0(A,B,C,D,X( 4), 3,0); HOST_c2l(data,l); X( 6)=l; |
| 115 | R0(D,A,B,C,X( 5), 7,0); HOST_c2l(data,l); X( 7)=l; |
| 116 | R0(C,D,A,B,X( 6),11,0); HOST_c2l(data,l); X( 8)=l; |
| 117 | R0(B,C,D,A,X( 7),19,0); HOST_c2l(data,l); X( 9)=l; |
| 118 | R0(A,B,C,D,X( 8), 3,0); HOST_c2l(data,l); X(10)=l; |
| 119 | R0(D,A,B,C,X( 9), 7,0); HOST_c2l(data,l); X(11)=l; |
| 120 | R0(C,D,A,B,X(10),11,0); HOST_c2l(data,l); X(12)=l; |
| 121 | R0(B,C,D,A,X(11),19,0); HOST_c2l(data,l); X(13)=l; |
| 122 | R0(A,B,C,D,X(12), 3,0); HOST_c2l(data,l); X(14)=l; |
| 123 | R0(D,A,B,C,X(13), 7,0); HOST_c2l(data,l); X(15)=l; |
| 124 | R0(C,D,A,B,X(14),11,0); |
| 125 | R0(B,C,D,A,X(15),19,0); |
| 126 | /* Round 1 */ |
| 127 | R1(A,B,C,D,X( 0), 3,0x5A827999L); |
| 128 | R1(D,A,B,C,X( 4), 5,0x5A827999L); |
| 129 | R1(C,D,A,B,X( 8), 9,0x5A827999L); |
| 130 | R1(B,C,D,A,X(12),13,0x5A827999L); |
| 131 | R1(A,B,C,D,X( 1), 3,0x5A827999L); |
| 132 | R1(D,A,B,C,X( 5), 5,0x5A827999L); |
| 133 | R1(C,D,A,B,X( 9), 9,0x5A827999L); |
| 134 | R1(B,C,D,A,X(13),13,0x5A827999L); |
| 135 | R1(A,B,C,D,X( 2), 3,0x5A827999L); |
| 136 | R1(D,A,B,C,X( 6), 5,0x5A827999L); |
| 137 | R1(C,D,A,B,X(10), 9,0x5A827999L); |
| 138 | R1(B,C,D,A,X(14),13,0x5A827999L); |
| 139 | R1(A,B,C,D,X( 3), 3,0x5A827999L); |
| 140 | R1(D,A,B,C,X( 7), 5,0x5A827999L); |
| 141 | R1(C,D,A,B,X(11), 9,0x5A827999L); |
| 142 | R1(B,C,D,A,X(15),13,0x5A827999L); |
| 143 | /* Round 2 */ |
| 144 | R2(A,B,C,D,X( 0), 3,0x6ED9EBA1L); |
| 145 | R2(D,A,B,C,X( 8), 9,0x6ED9EBA1L); |
| 146 | R2(C,D,A,B,X( 4),11,0x6ED9EBA1L); |
| 147 | R2(B,C,D,A,X(12),15,0x6ED9EBA1L); |
| 148 | R2(A,B,C,D,X( 2), 3,0x6ED9EBA1L); |
| 149 | R2(D,A,B,C,X(10), 9,0x6ED9EBA1L); |
| 150 | R2(C,D,A,B,X( 6),11,0x6ED9EBA1L); |
| 151 | R2(B,C,D,A,X(14),15,0x6ED9EBA1L); |
| 152 | R2(A,B,C,D,X( 1), 3,0x6ED9EBA1L); |
| 153 | R2(D,A,B,C,X( 9), 9,0x6ED9EBA1L); |
| 154 | R2(C,D,A,B,X( 5),11,0x6ED9EBA1L); |
| 155 | R2(B,C,D,A,X(13),15,0x6ED9EBA1L); |
| 156 | R2(A,B,C,D,X( 3), 3,0x6ED9EBA1L); |
| 157 | R2(D,A,B,C,X(11), 9,0x6ED9EBA1L); |
| 158 | R2(C,D,A,B,X( 7),11,0x6ED9EBA1L); |
| 159 | R2(B,C,D,A,X(15),15,0x6ED9EBA1L); |
| 160 | |
| 161 | A = c->A += A; |
| 162 | B = c->B += B; |
| 163 | C = c->C += C; |
| 164 | D = c->D += D; |
| 165 | } |
| 166 | } |
| 167 | #endif |