[thirdparty/openssl.git] / crypto / md5 / md5_dgst.c

/* 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
Commit	Line	Data
58964a49 RE	1	/* crypto/md5/md5_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 "md5_locl.h"
ec577822	61	#include <openssl/opensslv.h>
58964a49	62
560b79cb	63	const char MD5_version[]="MD5" OPENSSL_VERSION_PTEXT;
58964a49 RE	64
	65	/* Implemented from RFC1321 The MD5 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
2dc769a1	73	int MD5_Init(MD5_CTX *c)
58964a49	74	{
c69ed6ea	75	memset (c,0,sizeof(*c));
58964a49 RE	76	c->A=INIT_DATA_A;
	77	c->B=INIT_DATA_B;
	78	c->C=INIT_DATA_C;
	79	c->D=INIT_DATA_D;
2dc769a1	80	return 1;
58964a49 RE	81	}
58964a49 RE	82
bd3576d2	83	#ifndef md5_block_data_order
bcba6cc6 AP	84	#ifdef X
	85	#undef X
	86	#endif
9e0aad9f	87	void md5_block_data_order (MD5_CTX c, const void data_, size_t num)
58964a49	88	{
e1a228fb	89	const unsigned char *data=data_;
2f98abbc	90	register unsigned MD32_REG_T A,B,C,D,l;
bcba6cc6 AP	91	#ifndef MD32_XARRAY
bcba6cc6 AP	92	/* See comment in crypto/sha/sha_locl.h for details. */
2f98abbc AP	93	unsigned MD32_REG_T XX0, XX1, XX2, XX3, XX4, XX5, XX6, XX7,
2f98abbc AP	94	XX8, XX9,XX10,XX11,XX12,XX13,XX14,XX15;
bcba6cc6 AP	95	# define X(i) XX##i
	96	#else
	97	MD5_LONG XX[MD5_LBLOCK];
	98	# define X(i) XX[i]
	99	#endif
58964a49	100
bd3576d2 UM	101	A=c->A;
	102	B=c->B;
	103	C=c->C;
	104	D=c->D;
58964a49	105
bd3576d2	106	for (;num--;)
58964a49	107	{
bcba6cc6	108	HOST_c2l(data,l); X( 0)=l; HOST_c2l(data,l); X( 1)=l;
bd3576d2	109	/* Round 0 */
bcba6cc6 AP	110	R0(A,B,C,D,X( 0), 7,0xd76aa478L); HOST_c2l(data,l); X( 2)=l;
	111	R0(D,A,B,C,X( 1),12,0xe8c7b756L); HOST_c2l(data,l); X( 3)=l;
	112	R0(C,D,A,B,X( 2),17,0x242070dbL); HOST_c2l(data,l); X( 4)=l;
	113	R0(B,C,D,A,X( 3),22,0xc1bdceeeL); HOST_c2l(data,l); X( 5)=l;
	114	R0(A,B,C,D,X( 4), 7,0xf57c0fafL); HOST_c2l(data,l); X( 6)=l;
	115	R0(D,A,B,C,X( 5),12,0x4787c62aL); HOST_c2l(data,l); X( 7)=l;
	116	R0(C,D,A,B,X( 6),17,0xa8304613L); HOST_c2l(data,l); X( 8)=l;
	117	R0(B,C,D,A,X( 7),22,0xfd469501L); HOST_c2l(data,l); X( 9)=l;
	118	R0(A,B,C,D,X( 8), 7,0x698098d8L); HOST_c2l(data,l); X(10)=l;
	119	R0(D,A,B,C,X( 9),12,0x8b44f7afL); HOST_c2l(data,l); X(11)=l;
	120	R0(C,D,A,B,X(10),17,0xffff5bb1L); HOST_c2l(data,l); X(12)=l;
	121	R0(B,C,D,A,X(11),22,0x895cd7beL); HOST_c2l(data,l); X(13)=l;
	122	R0(A,B,C,D,X(12), 7,0x6b901122L); HOST_c2l(data,l); X(14)=l;
	123	R0(D,A,B,C,X(13),12,0xfd987193L); HOST_c2l(data,l); X(15)=l;
	124	R0(C,D,A,B,X(14),17,0xa679438eL);
	125	R0(B,C,D,A,X(15),22,0x49b40821L);
bd3576d2	126	/* Round 1 */
bcba6cc6 AP	127	R1(A,B,C,D,X( 1), 5,0xf61e2562L);
	128	R1(D,A,B,C,X( 6), 9,0xc040b340L);
	129	R1(C,D,A,B,X(11),14,0x265e5a51L);
	130	R1(B,C,D,A,X( 0),20,0xe9b6c7aaL);
	131	R1(A,B,C,D,X( 5), 5,0xd62f105dL);
	132	R1(D,A,B,C,X(10), 9,0x02441453L);
	133	R1(C,D,A,B,X(15),14,0xd8a1e681L);
	134	R1(B,C,D,A,X( 4),20,0xe7d3fbc8L);
	135	R1(A,B,C,D,X( 9), 5,0x21e1cde6L);
	136	R1(D,A,B,C,X(14), 9,0xc33707d6L);
	137	R1(C,D,A,B,X( 3),14,0xf4d50d87L);
	138	R1(B,C,D,A,X( 8),20,0x455a14edL);
	139	R1(A,B,C,D,X(13), 5,0xa9e3e905L);
	140	R1(D,A,B,C,X( 2), 9,0xfcefa3f8L);
	141	R1(C,D,A,B,X( 7),14,0x676f02d9L);
	142	R1(B,C,D,A,X(12),20,0x8d2a4c8aL);
bd3576d2	143	/* Round 2 */
bcba6cc6 AP	144	R2(A,B,C,D,X( 5), 4,0xfffa3942L);
	145	R2(D,A,B,C,X( 8),11,0x8771f681L);
	146	R2(C,D,A,B,X(11),16,0x6d9d6122L);
	147	R2(B,C,D,A,X(14),23,0xfde5380cL);
	148	R2(A,B,C,D,X( 1), 4,0xa4beea44L);
	149	R2(D,A,B,C,X( 4),11,0x4bdecfa9L);
	150	R2(C,D,A,B,X( 7),16,0xf6bb4b60L);
	151	R2(B,C,D,A,X(10),23,0xbebfbc70L);
	152	R2(A,B,C,D,X(13), 4,0x289b7ec6L);
	153	R2(D,A,B,C,X( 0),11,0xeaa127faL);
	154	R2(C,D,A,B,X( 3),16,0xd4ef3085L);
	155	R2(B,C,D,A,X( 6),23,0x04881d05L);
	156	R2(A,B,C,D,X( 9), 4,0xd9d4d039L);
	157	R2(D,A,B,C,X(12),11,0xe6db99e5L);
	158	R2(C,D,A,B,X(15),16,0x1fa27cf8L);
	159	R2(B,C,D,A,X( 2),23,0xc4ac5665L);
bd3576d2	160	/* Round 3 */
bcba6cc6 AP	161	R3(A,B,C,D,X( 0), 6,0xf4292244L);
	162	R3(D,A,B,C,X( 7),10,0x432aff97L);
	163	R3(C,D,A,B,X(14),15,0xab9423a7L);
	164	R3(B,C,D,A,X( 5),21,0xfc93a039L);
	165	R3(A,B,C,D,X(12), 6,0x655b59c3L);
	166	R3(D,A,B,C,X( 3),10,0x8f0ccc92L);
	167	R3(C,D,A,B,X(10),15,0xffeff47dL);
	168	R3(B,C,D,A,X( 1),21,0x85845dd1L);
	169	R3(A,B,C,D,X( 8), 6,0x6fa87e4fL);
	170	R3(D,A,B,C,X(15),10,0xfe2ce6e0L);
	171	R3(C,D,A,B,X( 6),15,0xa3014314L);
	172	R3(B,C,D,A,X(13),21,0x4e0811a1L);
	173	R3(A,B,C,D,X( 4), 6,0xf7537e82L);
	174	R3(D,A,B,C,X(11),10,0xbd3af235L);
	175	R3(C,D,A,B,X( 2),15,0x2ad7d2bbL);
	176	R3(B,C,D,A,X( 9),21,0xeb86d391L);
58964a49	177
bd3576d2 UM	178	A = c->A += A;
	179	B = c->B += B;
	180	C = c->C += C;
	181	D = c->D += D;
	182	}
58964a49	183	}
bd3576d2	184	#endif