1 /* 2 * Copyright 1995-2020 The OpenSSL Project Authors. All Rights Reserved. 3 * 4 * Licensed under the Apache License 2.0 (the "License"). You may not use 5 * this file except in compliance with the License. You can obtain a copy 6 * in the file LICENSE in the source distribution or at 7 * https://www.openssl.org/source/license.html 8 */ 9 10 /* 11 * MD5 low level APIs are deprecated for public use, but still ok for 12 * internal use. 13 */ 14 #include "internal/deprecated.h" 15 16 #include <stdio.h> 17 #include "md5_local.h" 18 #include <openssl/opensslv.h> 19 20 /* 21 * Implemented from RFC1321 The MD5 Message-Digest Algorithm 22 */ 23 24 #define INIT_DATA_A (unsigned long)0x67452301L 25 #define INIT_DATA_B (unsigned long)0xefcdab89L 26 #define INIT_DATA_C (unsigned long)0x98badcfeL 27 #define INIT_DATA_D (unsigned long)0x10325476L 28 29 int MD5_Init(MD5_CTX *c) 30 { 31 memset(c, 0, sizeof(*c)); 32 c->A = INIT_DATA_A; 33 c->B = INIT_DATA_B; 34 c->C = INIT_DATA_C; 35 c->D = INIT_DATA_D; 36 return 1; 37 } 38 39 #ifndef md5_block_data_order 40 # ifdef X 41 # undef X 42 # endif 43 void md5_block_data_order(MD5_CTX *c, const void *data_, size_t num) 44 { 45 const unsigned char *data = data_; 46 register unsigned MD32_REG_T A, B, C, D, l; 47 # ifndef MD32_XARRAY 48 /* See comment in crypto/sha/sha_local.h for details. */ 49 unsigned MD32_REG_T XX0, XX1, XX2, XX3, XX4, XX5, XX6, XX7, 50 XX8, XX9, XX10, XX11, XX12, XX13, XX14, XX15; 51 # define X(i) XX##i 52 # else 53 MD5_LONG XX[MD5_LBLOCK]; 54 # define X(i) XX[i] 55 # endif 56 57 A = c->A; 58 B = c->B; 59 C = c->C; 60 D = c->D; 61 62 for (; num--;) { 63 (void)HOST_c2l(data, l); 64 X(0) = l; 65 (void)HOST_c2l(data, l); 66 X(1) = l; 67 /* Round 0 */ 68 R0(A, B, C, D, X(0), 7, 0xd76aa478L); 69 (void)HOST_c2l(data, l); 70 X(2) = l; 71 R0(D, A, B, C, X(1), 12, 0xe8c7b756L); 72 (void)HOST_c2l(data, l); 73 X(3) = l; 74 R0(C, D, A, B, X(2), 17, 0x242070dbL); 75 (void)HOST_c2l(data, l); 76 X(4) = l; 77 R0(B, C, D, A, X(3), 22, 0xc1bdceeeL); 78 (void)HOST_c2l(data, l); 79 X(5) = l; 80 R0(A, B, C, D, X(4), 7, 0xf57c0fafL); 81 (void)HOST_c2l(data, l); 82 X(6) = l; 83 R0(D, A, B, C, X(5), 12, 0x4787c62aL); 84 (void)HOST_c2l(data, l); 85 X(7) = l; 86 R0(C, D, A, B, X(6), 17, 0xa8304613L); 87 (void)HOST_c2l(data, l); 88 X(8) = l; 89 R0(B, C, D, A, X(7), 22, 0xfd469501L); 90 (void)HOST_c2l(data, l); 91 X(9) = l; 92 R0(A, B, C, D, X(8), 7, 0x698098d8L); 93 (void)HOST_c2l(data, l); 94 X(10) = l; 95 R0(D, A, B, C, X(9), 12, 0x8b44f7afL); 96 (void)HOST_c2l(data, l); 97 X(11) = l; 98 R0(C, D, A, B, X(10), 17, 0xffff5bb1L); 99 (void)HOST_c2l(data, l); 100 X(12) = l; 101 R0(B, C, D, A, X(11), 22, 0x895cd7beL); 102 (void)HOST_c2l(data, l); 103 X(13) = l; 104 R0(A, B, C, D, X(12), 7, 0x6b901122L); 105 (void)HOST_c2l(data, l); 106 X(14) = l; 107 R0(D, A, B, C, X(13), 12, 0xfd987193L); 108 (void)HOST_c2l(data, l); 109 X(15) = l; 110 R0(C, D, A, B, X(14), 17, 0xa679438eL); 111 R0(B, C, D, A, X(15), 22, 0x49b40821L); 112 /* Round 1 */ 113 R1(A, B, C, D, X(1), 5, 0xf61e2562L); 114 R1(D, A, B, C, X(6), 9, 0xc040b340L); 115 R1(C, D, A, B, X(11), 14, 0x265e5a51L); 116 R1(B, C, D, A, X(0), 20, 0xe9b6c7aaL); 117 R1(A, B, C, D, X(5), 5, 0xd62f105dL); 118 R1(D, A, B, C, X(10), 9, 0x02441453L); 119 R1(C, D, A, B, X(15), 14, 0xd8a1e681L); 120 R1(B, C, D, A, X(4), 20, 0xe7d3fbc8L); 121 R1(A, B, C, D, X(9), 5, 0x21e1cde6L); 122 R1(D, A, B, C, X(14), 9, 0xc33707d6L); 123 R1(C, D, A, B, X(3), 14, 0xf4d50d87L); 124 R1(B, C, D, A, X(8), 20, 0x455a14edL); 125 R1(A, B, C, D, X(13), 5, 0xa9e3e905L); 126 R1(D, A, B, C, X(2), 9, 0xfcefa3f8L); 127 R1(C, D, A, B, X(7), 14, 0x676f02d9L); 128 R1(B, C, D, A, X(12), 20, 0x8d2a4c8aL); 129 /* Round 2 */ 130 R2(A, B, C, D, X(5), 4, 0xfffa3942L); 131 R2(D, A, B, C, X(8), 11, 0x8771f681L); 132 R2(C, D, A, B, X(11), 16, 0x6d9d6122L); 133 R2(B, C, D, A, X(14), 23, 0xfde5380cL); 134 R2(A, B, C, D, X(1), 4, 0xa4beea44L); 135 R2(D, A, B, C, X(4), 11, 0x4bdecfa9L); 136 R2(C, D, A, B, X(7), 16, 0xf6bb4b60L); 137 R2(B, C, D, A, X(10), 23, 0xbebfbc70L); 138 R2(A, B, C, D, X(13), 4, 0x289b7ec6L); 139 R2(D, A, B, C, X(0), 11, 0xeaa127faL); 140 R2(C, D, A, B, X(3), 16, 0xd4ef3085L); 141 R2(B, C, D, A, X(6), 23, 0x04881d05L); 142 R2(A, B, C, D, X(9), 4, 0xd9d4d039L); 143 R2(D, A, B, C, X(12), 11, 0xe6db99e5L); 144 R2(C, D, A, B, X(15), 16, 0x1fa27cf8L); 145 R2(B, C, D, A, X(2), 23, 0xc4ac5665L); 146 /* Round 3 */ 147 R3(A, B, C, D, X(0), 6, 0xf4292244L); 148 R3(D, A, B, C, X(7), 10, 0x432aff97L); 149 R3(C, D, A, B, X(14), 15, 0xab9423a7L); 150 R3(B, C, D, A, X(5), 21, 0xfc93a039L); 151 R3(A, B, C, D, X(12), 6, 0x655b59c3L); 152 R3(D, A, B, C, X(3), 10, 0x8f0ccc92L); 153 R3(C, D, A, B, X(10), 15, 0xffeff47dL); 154 R3(B, C, D, A, X(1), 21, 0x85845dd1L); 155 R3(A, B, C, D, X(8), 6, 0x6fa87e4fL); 156 R3(D, A, B, C, X(15), 10, 0xfe2ce6e0L); 157 R3(C, D, A, B, X(6), 15, 0xa3014314L); 158 R3(B, C, D, A, X(13), 21, 0x4e0811a1L); 159 R3(A, B, C, D, X(4), 6, 0xf7537e82L); 160 R3(D, A, B, C, X(11), 10, 0xbd3af235L); 161 R3(C, D, A, B, X(2), 15, 0x2ad7d2bbL); 162 R3(B, C, D, A, X(9), 21, 0xeb86d391L); 163 164 A = c->A += A; 165 B = c->B += B; 166 C = c->C += C; 167 D = c->D += D; 168 } 169 } 170 #endif 171