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2017-02-25 23:55:24 +01:00
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/* crypto/md4/md4_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 <openssl/opensslv.h>
#include <openssl/crypto.h>
#include "md4_locl.h"
const char MD4_version[] = "MD4" OPENSSL_VERSION_PTEXT;
/*
* Implemented from RFC1186 The MD4 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
fips_md_init(MD4)
{
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 md4_block_data_order
# ifdef X
# undef X
# endif
void md4_block_data_order(MD4_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
MD4_LONG XX[MD4_LBLOCK];
# define X(i) XX[i]
# endif
A = c->A;
B = c->B;
C = c->C;
D = c->D;
for (; num--;) {
(void)HOST_c2l(data, l);
X(0) = l;
(void)HOST_c2l(data, l);
X(1) = l;
/* Round 0 */
R0(A, B, C, D, X(0), 3, 0);
(void)HOST_c2l(data, l);
X(2) = l;
R0(D, A, B, C, X(1), 7, 0);
(void)HOST_c2l(data, l);
X(3) = l;
R0(C, D, A, B, X(2), 11, 0);
(void)HOST_c2l(data, l);
X(4) = l;
R0(B, C, D, A, X(3), 19, 0);
(void)HOST_c2l(data, l);
X(5) = l;
R0(A, B, C, D, X(4), 3, 0);
(void)HOST_c2l(data, l);
X(6) = l;
R0(D, A, B, C, X(5), 7, 0);
(void)HOST_c2l(data, l);
X(7) = l;
R0(C, D, A, B, X(6), 11, 0);
(void)HOST_c2l(data, l);
X(8) = l;
R0(B, C, D, A, X(7), 19, 0);
(void)HOST_c2l(data, l);
X(9) = l;
R0(A, B, C, D, X(8), 3, 0);
(void)HOST_c2l(data, l);
X(10) = l;
R0(D, A, B, C, X(9), 7, 0);
(void)HOST_c2l(data, l);
X(11) = l;
R0(C, D, A, B, X(10), 11, 0);
(void)HOST_c2l(data, l);
X(12) = l;
R0(B, C, D, A, X(11), 19, 0);
(void)HOST_c2l(data, l);
X(13) = l;
R0(A, B, C, D, X(12), 3, 0);
(void)HOST_c2l(data, l);
X(14) = l;
R0(D, A, B, C, X(13), 7, 0);
(void)HOST_c2l(data, l);
X(15) = l;
R0(C, D, A, B, X(14), 11, 0);
R0(B, C, D, A, X(15), 19, 0);
/* Round 1 */
R1(A, B, C, D, X(0), 3, 0x5A827999L);
R1(D, A, B, C, X(4), 5, 0x5A827999L);
R1(C, D, A, B, X(8), 9, 0x5A827999L);
R1(B, C, D, A, X(12), 13, 0x5A827999L);
R1(A, B, C, D, X(1), 3, 0x5A827999L);
R1(D, A, B, C, X(5), 5, 0x5A827999L);
R1(C, D, A, B, X(9), 9, 0x5A827999L);
R1(B, C, D, A, X(13), 13, 0x5A827999L);
R1(A, B, C, D, X(2), 3, 0x5A827999L);
R1(D, A, B, C, X(6), 5, 0x5A827999L);
R1(C, D, A, B, X(10), 9, 0x5A827999L);
R1(B, C, D, A, X(14), 13, 0x5A827999L);
R1(A, B, C, D, X(3), 3, 0x5A827999L);
R1(D, A, B, C, X(7), 5, 0x5A827999L);
R1(C, D, A, B, X(11), 9, 0x5A827999L);
R1(B, C, D, A, X(15), 13, 0x5A827999L);
/* Round 2 */
R2(A, B, C, D, X(0), 3, 0x6ED9EBA1L);
R2(D, A, B, C, X(8), 9, 0x6ED9EBA1L);
R2(C, D, A, B, X(4), 11, 0x6ED9EBA1L);
R2(B, C, D, A, X(12), 15, 0x6ED9EBA1L);
R2(A, B, C, D, X(2), 3, 0x6ED9EBA1L);
R2(D, A, B, C, X(10), 9, 0x6ED9EBA1L);
R2(C, D, A, B, X(6), 11, 0x6ED9EBA1L);
R2(B, C, D, A, X(14), 15, 0x6ED9EBA1L);
R2(A, B, C, D, X(1), 3, 0x6ED9EBA1L);
R2(D, A, B, C, X(9), 9, 0x6ED9EBA1L);
R2(C, D, A, B, X(5), 11, 0x6ED9EBA1L);
R2(B, C, D, A, X(13), 15, 0x6ED9EBA1L);
R2(A, B, C, D, X(3), 3, 0x6ED9EBA1L);
R2(D, A, B, C, X(11), 9, 0x6ED9EBA1L);
R2(C, D, A, B, X(7), 11, 0x6ED9EBA1L);
R2(B, C, D, A, X(15), 15, 0x6ED9EBA1L);
A = c->A += A;
B = c->B += B;
C = c->C += C;
D = c->D += D;
}
}
#endif