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165 lines
5.3 KiB
C
165 lines
5.3 KiB
C
/*
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* Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
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*
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* Licensed under the OpenSSL license (the "License"). You may not use
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* this file except in compliance with the License. You can obtain a copy
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* in the file LICENSE in the source distribution or at
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* https://www.openssl.org/source/license.html
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*/
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#include <stdio.h>
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#include "md5_locl.h"
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#include <openssl/opensslv.h>
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/*
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* Implemented from RFC1321 The MD5 Message-Digest Algorithm
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*/
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#define INIT_DATA_A (unsigned long)0x67452301L
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#define INIT_DATA_B (unsigned long)0xefcdab89L
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#define INIT_DATA_C (unsigned long)0x98badcfeL
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#define INIT_DATA_D (unsigned long)0x10325476L
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int MD5_Init(MD5_CTX *c)
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{
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memset(c, 0, sizeof(*c));
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c->A = INIT_DATA_A;
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c->B = INIT_DATA_B;
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c->C = INIT_DATA_C;
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c->D = INIT_DATA_D;
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return 1;
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}
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#ifndef md5_block_data_order
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# ifdef X
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# undef X
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# endif
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void md5_block_data_order(MD5_CTX *c, const void *data_, size_t num)
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{
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const unsigned char *data = data_;
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register unsigned MD32_REG_T A, B, C, D, l;
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# ifndef MD32_XARRAY
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/* See comment in crypto/sha/sha_locl.h for details. */
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unsigned MD32_REG_T XX0, XX1, XX2, XX3, XX4, XX5, XX6, XX7,
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XX8, XX9, XX10, XX11, XX12, XX13, XX14, XX15;
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# define X(i) XX##i
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# else
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MD5_LONG XX[MD5_LBLOCK];
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# define X(i) XX[i]
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# endif
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A = c->A;
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B = c->B;
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C = c->C;
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D = c->D;
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for (; num--;) {
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(void)HOST_c2l(data, l);
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X(0) = l;
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(void)HOST_c2l(data, l);
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X(1) = l;
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/* Round 0 */
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R0(A, B, C, D, X(0), 7, 0xd76aa478L);
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(void)HOST_c2l(data, l);
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X(2) = l;
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R0(D, A, B, C, X(1), 12, 0xe8c7b756L);
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(void)HOST_c2l(data, l);
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X(3) = l;
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R0(C, D, A, B, X(2), 17, 0x242070dbL);
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(void)HOST_c2l(data, l);
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X(4) = l;
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R0(B, C, D, A, X(3), 22, 0xc1bdceeeL);
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(void)HOST_c2l(data, l);
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X(5) = l;
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R0(A, B, C, D, X(4), 7, 0xf57c0fafL);
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(void)HOST_c2l(data, l);
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X(6) = l;
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R0(D, A, B, C, X(5), 12, 0x4787c62aL);
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(void)HOST_c2l(data, l);
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X(7) = l;
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R0(C, D, A, B, X(6), 17, 0xa8304613L);
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(void)HOST_c2l(data, l);
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X(8) = l;
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R0(B, C, D, A, X(7), 22, 0xfd469501L);
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(void)HOST_c2l(data, l);
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X(9) = l;
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R0(A, B, C, D, X(8), 7, 0x698098d8L);
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(void)HOST_c2l(data, l);
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X(10) = l;
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R0(D, A, B, C, X(9), 12, 0x8b44f7afL);
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(void)HOST_c2l(data, l);
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X(11) = l;
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R0(C, D, A, B, X(10), 17, 0xffff5bb1L);
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(void)HOST_c2l(data, l);
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X(12) = l;
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R0(B, C, D, A, X(11), 22, 0x895cd7beL);
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(void)HOST_c2l(data, l);
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X(13) = l;
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R0(A, B, C, D, X(12), 7, 0x6b901122L);
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(void)HOST_c2l(data, l);
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X(14) = l;
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R0(D, A, B, C, X(13), 12, 0xfd987193L);
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(void)HOST_c2l(data, l);
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X(15) = l;
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R0(C, D, A, B, X(14), 17, 0xa679438eL);
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R0(B, C, D, A, X(15), 22, 0x49b40821L);
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/* Round 1 */
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R1(A, B, C, D, X(1), 5, 0xf61e2562L);
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R1(D, A, B, C, X(6), 9, 0xc040b340L);
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R1(C, D, A, B, X(11), 14, 0x265e5a51L);
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R1(B, C, D, A, X(0), 20, 0xe9b6c7aaL);
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R1(A, B, C, D, X(5), 5, 0xd62f105dL);
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R1(D, A, B, C, X(10), 9, 0x02441453L);
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R1(C, D, A, B, X(15), 14, 0xd8a1e681L);
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R1(B, C, D, A, X(4), 20, 0xe7d3fbc8L);
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R1(A, B, C, D, X(9), 5, 0x21e1cde6L);
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R1(D, A, B, C, X(14), 9, 0xc33707d6L);
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R1(C, D, A, B, X(3), 14, 0xf4d50d87L);
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R1(B, C, D, A, X(8), 20, 0x455a14edL);
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R1(A, B, C, D, X(13), 5, 0xa9e3e905L);
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R1(D, A, B, C, X(2), 9, 0xfcefa3f8L);
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R1(C, D, A, B, X(7), 14, 0x676f02d9L);
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R1(B, C, D, A, X(12), 20, 0x8d2a4c8aL);
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/* Round 2 */
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R2(A, B, C, D, X(5), 4, 0xfffa3942L);
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R2(D, A, B, C, X(8), 11, 0x8771f681L);
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R2(C, D, A, B, X(11), 16, 0x6d9d6122L);
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R2(B, C, D, A, X(14), 23, 0xfde5380cL);
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R2(A, B, C, D, X(1), 4, 0xa4beea44L);
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R2(D, A, B, C, X(4), 11, 0x4bdecfa9L);
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R2(C, D, A, B, X(7), 16, 0xf6bb4b60L);
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R2(B, C, D, A, X(10), 23, 0xbebfbc70L);
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R2(A, B, C, D, X(13), 4, 0x289b7ec6L);
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R2(D, A, B, C, X(0), 11, 0xeaa127faL);
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R2(C, D, A, B, X(3), 16, 0xd4ef3085L);
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R2(B, C, D, A, X(6), 23, 0x04881d05L);
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R2(A, B, C, D, X(9), 4, 0xd9d4d039L);
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R2(D, A, B, C, X(12), 11, 0xe6db99e5L);
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R2(C, D, A, B, X(15), 16, 0x1fa27cf8L);
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R2(B, C, D, A, X(2), 23, 0xc4ac5665L);
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/* Round 3 */
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R3(A, B, C, D, X(0), 6, 0xf4292244L);
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R3(D, A, B, C, X(7), 10, 0x432aff97L);
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R3(C, D, A, B, X(14), 15, 0xab9423a7L);
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R3(B, C, D, A, X(5), 21, 0xfc93a039L);
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R3(A, B, C, D, X(12), 6, 0x655b59c3L);
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R3(D, A, B, C, X(3), 10, 0x8f0ccc92L);
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R3(C, D, A, B, X(10), 15, 0xffeff47dL);
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R3(B, C, D, A, X(1), 21, 0x85845dd1L);
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R3(A, B, C, D, X(8), 6, 0x6fa87e4fL);
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R3(D, A, B, C, X(15), 10, 0xfe2ce6e0L);
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R3(C, D, A, B, X(6), 15, 0xa3014314L);
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R3(B, C, D, A, X(13), 21, 0x4e0811a1L);
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R3(A, B, C, D, X(4), 6, 0xf7537e82L);
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R3(D, A, B, C, X(11), 10, 0xbd3af235L);
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R3(C, D, A, B, X(2), 15, 0x2ad7d2bbL);
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R3(B, C, D, A, X(9), 21, 0xeb86d391L);
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A = c->A += A;
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B = c->B += B;
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C = c->C += C;
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D = c->D += D;
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}
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}
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#endif
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