/* crypto/md5/md5_dgst.c */
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
* All rights reserved.
*
* This package is an SSL implementation written
* by Eric Young (eay@cryptsoft.com).
* The implementation was written so as to conform with Netscapes SSL.
*
* This library is free for commercial and non-commercial use as long as
* the following conditions are aheared to. The following conditions
* apply to all code found in this distribution, be it the RC4, RSA,
* lhash, DES, etc., code; not just the SSL code. The SSL documentation
* included with this distribution is covered by the same copyright terms
* except that the holder is Tim Hudson (tjh@cryptsoft.com).
*
* Copyright remains Eric Young's, and as such any Copyright notices in
* the code are not to be removed.
* If this package is used in a product, Eric Young should be given attribution
* as the author of the parts of the library used.
* This can be in the form of a textual message at program startup or
* in documentation (online or textual) provided with the package.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* "This product includes cryptographic software written by
* Eric Young (eay@cryptsoft.com)"
* The word 'cryptographic' can be left out if the rouines from the library
* being used are not cryptographic related :-).
* 4. If you include any Windows specific code (or a derivative thereof) from
* the apps directory (application code) you must include an acknowledgement:
* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
*
* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* The licence and distribution terms for any publically available version or
* derivative of this code cannot be changed. i.e. this code cannot simply be
* copied and put under another distribution licence
* [including the GNU Public Licence.]
*/
#include <stdio.h>
#include "md5_locl.h"
#include <openssl/opensslv.h>
const char MD5_version[]="MD5" OPENSSL_VERSION_PTEXT;
/* Implemented from RFC1321 The MD5 Message-Digest Algorithm
*/
#define INIT_DATA_A (unsigned long)0x67452301L
#define INIT_DATA_B (unsigned long)0xefcdab89L
#define INIT_DATA_C (unsigned long)0x98badcfeL
#define INIT_DATA_D (unsigned long)0x10325476L
int MD5_Init(MD5_CTX *c)
{
memset (c,0,sizeof(*c));
c->A=INIT_DATA_A;
c->B=INIT_DATA_B;
c->C=INIT_DATA_C;
c->D=INIT_DATA_D;
return 1;
}
#ifndef md5_block_data_order
#ifdef X
#undef X
#endif
void md5_block_data_order (MD5_CTX *c, const void *data_, size_t num)
{
const unsigned char *data=data_;
register unsigned MD32_REG_T A,B,C,D,l;
#ifndef MD32_XARRAY
/* See comment in crypto/sha/sha_locl.h for details. */
unsigned MD32_REG_T XX0, XX1, XX2, XX3, XX4, XX5, XX6, XX7,
XX8, XX9,XX10,XX11,XX12,XX13,XX14,XX15;
# define X(i) XX##i
#else
MD5_LONG XX[MD5_LBLOCK];
# define X(i) XX[i]
#endif
A=c->A;
B=c->B;
C=c->C;
D=c->D;
for (;num--;)
{
HOST_c2l(data,l); X( 0)=l; HOST_c2l(data,l); X( 1)=l;
/* Round 0 */
R0(A,B,C,D,X( 0), 7,0xd76aa478L); HOST_c2l(data,l); X( 2)=l;
R0(D,A,B,C,X( 1),12,0xe8c7b756L); HOST_c2l(data,l); X( 3)=l;
R0(C,D,A,B,X( 2),17,0x242070dbL); HOST_c2l(data,l); X( 4)=l;
R0(B,C,D,A,X( 3),22,0xc1bdceeeL); HOST_c2l(data,l); X( 5)=l;
R0(A,B,C,D,X( 4), 7,0xf57c0fafL); HOST_c2l(data,l); X( 6)=l;
R0(D,A,B,C,X( 5),12,0x4787c62aL); HOST_c2l(data,l); X( 7)=l;
R0(C,D,A,B,X( 6),17,0xa8304613L); HOST_c2l(data,l); X( 8)=l;
R0(B,C,D,A,X( 7),22,0xfd469501L); HOST_c2l(data,l); X( 9)=l;
R0(A,B,C,D,X( 8), 7,0x698098d8L); HOST_c2l(data,l); X(10)=l;
R0(D,A,B,C,X( 9),12,0x8b44f7afL); HOST_c2l(data,l); X(11)=l;
R0(C,D,A,B,X(10),17,0xffff5bb1L); HOST_c2l(data,l); X(12)=l;
R0(B,C,D,A,X(11),22,0x895cd7beL); HOST_c2l(data,l); X(13)=l;
R0(A,B,C,D,X(12), 7,0x6b901122L); HOST_c2l(data,l); X(14)=l;
R0(D,A,B,C,X(13),12,0xfd987193L); HOST_c2l(data,l); X(15)=l;
R0(C,D,A,B,X(14),17,0xa679438eL);
R0(B,C,D,A,X(15),22,0x49b40821L);
/* Round 1 */
R1(A,B,C,D,X( 1), 5,0xf61e2562L);
R1(D,A,B,C,X( 6), 9,0xc040b340L);
R1(C,D,A,B,X(11),14,0x265e5a51L);
R1(B,C,D,A,X( 0),20,0xe9b6c7aaL);
R1(A,B,C,D,X( 5), 5,0xd62f105dL);
R1(D,A,B,C,X(10), 9,0x02441453L);
R1(C,D,A,B,X(15),14,0xd8a1e681L);
R1(B,C,D,A,X( 4),20,0xe7d3fbc8L);
R1(A,B,C,D,X( 9), 5,0x21e1cde6L);
R1(D,A,B,C,X(14), 9,0xc33707d6L);
R1(C,D,A,B,X( 3),14,0xf4d50d87L);
R1(B,C,D,A,X( 8),20,0x455a14edL);
R1(A,B,C,D,X(13), 5,0xa9e3e905L);
R1(D,A,B,C,X( 2), 9,0xfcefa3f8L);
R1(C,D,A,B,X( 7),14,0x676f02d9L);
R1(B,C,D,A,X(12),20,0x8d2a4c8aL);
/* Round 2 */
R2(A,B,C,D,X( 5), 4,0xfffa3942L);
R2(D,A,B,C,X( 8),11,0x8771f681L);
R2(C,D,A,B,X(11),16,0x6d9d6122L);
R2(B,C,D,A,X(14),23,0xfde5380cL);
R2(A,B,C,D,X( 1), 4,0xa4beea44L);
R2(D,A,B,C,X( 4),11,0x4bdecfa9L);
R2(C,D,A,B,X( 7),16,0xf6bb4b60L);
R2(B,C,D,A,X(10),23,0xbebfbc70L);
R2(A,B,C,D,X(13), 4,0x289b7ec6L);
R2(D,A,B,C,X( 0),11,0xeaa127faL);
R2(C,D,A,B,X( 3),16,0xd4ef3085L);
R2(B,C,D,A,X( 6),23,0x04881d05L);
R2(A,B,C,D,X( 9), 4,0xd9d4d039L);
R2(D,A,B,C,X(12),11,0xe6db99e5L);
R2(C,D,A,B,X(15),16,0x1fa27cf8L);
R2(B,C,D,A,X( 2),23,0xc4ac5665L);
/* Round 3 */
R3(A,B,C,D,X( 0), 6,0xf4292244L);
R3(D,A,B,C,X( 7),10,0x432aff97L);
R3(C,D,A,B,X(14),15,0xab9423a7L);
R3(B,C,D,A,X( 5),21,0xfc93a039L);
R3(A,B,C,D,X(12), 6,0x655b59c3L);
R3(D,A,B,C,X( 3),10,0x8f0ccc92L);
R3(C,D,A,B,X(10),15,0xffeff47dL);
R3(B,C,D,A,X( 1),21,0x85845dd1L);
R3(A,B,C,D,X( 8), 6,0x6fa87e4fL);
R3(D,A,B,C,X(15),10,0xfe2ce6e0L);
R3(C,D,A,B,X( 6),15,0xa3014314L);
R3(B,C,D,A,X(13),21,0x4e0811a1L);
R3(A,B,C,D,X( 4), 6,0xf7537e82L);
R3(D,A,B,C,X(11),10,0xbd3af235L);
R3(C,D,A,B,X( 2),15,0x2ad7d2bbL);
R3(B,C,D,A,X( 9),21,0xeb86d391L);
A = c->A += A;
B = c->B += B;
C = c->C += C;
D = c->D += D;
}
}
#endif