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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>
- #include <openssl/err.h>
- #ifdef OPENSSL_FIPS
- # include <openssl/fips.h>
- #endif
- 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_NON_FIPS_MD_Init(MD4)
- {
- 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_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
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