ref: 7be7d0681f567e97fd37f937c2e5e486d6d74eab
dir: /sys/src/ape/lib/openssl/crypto/md4/md4_dgst.c/
/* crypto/md4/md4_dgst.c */
/* Copyright (C) 1995-1998 Eric Young ([email protected])
* All rights reserved.
*
* This package is an SSL implementation written
* by Eric Young ([email protected]).
* 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 ([email protected]).
*
* 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 ([email protected])"
* 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 ([email protected])"
*
* 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 "md4_locl.h"
#include <openssl/opensslv.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
int MD4_Init(MD4_CTX *c)
{
c->A=INIT_DATA_A;
c->B=INIT_DATA_B;
c->C=INIT_DATA_C;
c->D=INIT_DATA_D;
c->Nl=0;
c->Nh=0;
c->num=0;
return 1;
}
#ifndef md4_block_host_order
void md4_block_host_order (MD4_CTX *c, const void *data, size_t num)
{
const MD4_LONG *X=data;
register unsigned MD32_REG_T A,B,C,D;
A=c->A;
B=c->B;
C=c->C;
D=c->D;
for (;num--;X+=HASH_LBLOCK)
{
/* Round 0 */
R0(A,B,C,D,X[ 0], 3,0);
R0(D,A,B,C,X[ 1], 7,0);
R0(C,D,A,B,X[ 2],11,0);
R0(B,C,D,A,X[ 3],19,0);
R0(A,B,C,D,X[ 4], 3,0);
R0(D,A,B,C,X[ 5], 7,0);
R0(C,D,A,B,X[ 6],11,0);
R0(B,C,D,A,X[ 7],19,0);
R0(A,B,C,D,X[ 8], 3,0);
R0(D,A,B,C,X[ 9], 7,0);
R0(C,D,A,B,X[10],11,0);
R0(B,C,D,A,X[11],19,0);
R0(A,B,C,D,X[12], 3,0);
R0(D,A,B,C,X[13], 7,0);
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], 3,0x6ED9EBA1);
R2(D,A,B,C,X[ 8], 9,0x6ED9EBA1);
R2(C,D,A,B,X[ 4],11,0x6ED9EBA1);
R2(B,C,D,A,X[12],15,0x6ED9EBA1);
R2(A,B,C,D,X[ 2], 3,0x6ED9EBA1);
R2(D,A,B,C,X[10], 9,0x6ED9EBA1);
R2(C,D,A,B,X[ 6],11,0x6ED9EBA1);
R2(B,C,D,A,X[14],15,0x6ED9EBA1);
R2(A,B,C,D,X[ 1], 3,0x6ED9EBA1);
R2(D,A,B,C,X[ 9], 9,0x6ED9EBA1);
R2(C,D,A,B,X[ 5],11,0x6ED9EBA1);
R2(B,C,D,A,X[13],15,0x6ED9EBA1);
R2(A,B,C,D,X[ 3], 3,0x6ED9EBA1);
R2(D,A,B,C,X[11], 9,0x6ED9EBA1);
R2(C,D,A,B,X[ 7],11,0x6ED9EBA1);
R2(B,C,D,A,X[15],15,0x6ED9EBA1);
A = c->A += A;
B = c->B += B;
C = c->C += C;
D = c->D += D;
}
}
#endif
#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--;)
{
HOST_c2l(data,l); X( 0)=l; HOST_c2l(data,l); X( 1)=l;
/* Round 0 */
R0(A,B,C,D,X( 0), 3,0); HOST_c2l(data,l); X( 2)=l;
R0(D,A,B,C,X( 1), 7,0); HOST_c2l(data,l); X( 3)=l;
R0(C,D,A,B,X( 2),11,0); HOST_c2l(data,l); X( 4)=l;
R0(B,C,D,A,X( 3),19,0); HOST_c2l(data,l); X( 5)=l;
R0(A,B,C,D,X( 4), 3,0); HOST_c2l(data,l); X( 6)=l;
R0(D,A,B,C,X( 5), 7,0); HOST_c2l(data,l); X( 7)=l;
R0(C,D,A,B,X( 6),11,0); HOST_c2l(data,l); X( 8)=l;
R0(B,C,D,A,X( 7),19,0); HOST_c2l(data,l); X( 9)=l;
R0(A,B,C,D,X( 8), 3,0); HOST_c2l(data,l); X(10)=l;
R0(D,A,B,C,X( 9), 7,0); HOST_c2l(data,l); X(11)=l;
R0(C,D,A,B,X(10),11,0); HOST_c2l(data,l); X(12)=l;
R0(B,C,D,A,X(11),19,0); HOST_c2l(data,l); X(13)=l;
R0(A,B,C,D,X(12), 3,0); HOST_c2l(data,l); X(14)=l;
R0(D,A,B,C,X(13), 7,0); 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
#ifdef undef
int printit(unsigned long *l)
{
int i,ii;
for (i=0; i<2; i++)
{
for (ii=0; ii<8; ii++)
{
fprintf(stderr,"%08lx ",l[i*8+ii]);
}
fprintf(stderr,"\n");
}
}
#endif