md4_dgst.c
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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 "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