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authorArne Schwabe <arne@rfc2549.org>2012-04-16 19:21:14 +0200
committerArne Schwabe <arne@rfc2549.org>2012-04-16 19:21:14 +0200
commit3e4d8f433239c40311037616b1b8833a06651ae0 (patch)
tree98ab7fce0d011d34677b0beb762d389cb5c39199 /openssl/crypto/md4/md4_dgst.c
Initial import
Diffstat (limited to 'openssl/crypto/md4/md4_dgst.c')
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diff --git a/openssl/crypto/md4/md4_dgst.c b/openssl/crypto/md4/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)
+ {
+ 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--;)
+ {
+ 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