GCC Code Coverage Report
Directory: ./ Exec Total Coverage
File: lib/libcrypto/md4/md4_dgst.c Lines: 66 66 100.0 %
Date: 2017-11-07 Branches: 2 2 100.0 %

Line Branch Exec Source
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/* $OpenBSD: md4_dgst.c,v 1.16 2015/09/14 01:45:03 doug Exp $ */
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/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
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 * All rights reserved.
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 *
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 * This package is an SSL implementation written
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 * by Eric Young (eay@cryptsoft.com).
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 * The implementation was written so as to conform with Netscapes SSL.
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 *
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 * This library is free for commercial and non-commercial use as long as
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 * the following conditions are aheared to.  The following conditions
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 * apply to all code found in this distribution, be it the RC4, RSA,
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 * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
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 * included with this distribution is covered by the same copyright terms
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 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
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 *
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 * Copyright remains Eric Young's, and as such any Copyright notices in
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 * the code are not to be removed.
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 * If this package is used in a product, Eric Young should be given attribution
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 * as the author of the parts of the library used.
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 * This can be in the form of a textual message at program startup or
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 * in documentation (online or textual) provided with the package.
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 *
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 * Redistribution and use in source and binary forms, with or without
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 * modification, are permitted provided that the following conditions
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 * are met:
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 * 1. Redistributions of source code must retain the copyright
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 *    notice, this list of conditions and the following disclaimer.
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 * 2. Redistributions in binary form must reproduce the above copyright
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 *    notice, this list of conditions and the following disclaimer in the
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 *    documentation and/or other materials provided with the distribution.
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 * 3. All advertising materials mentioning features or use of this software
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 *    must display the following acknowledgement:
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 *    "This product includes cryptographic software written by
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 *     Eric Young (eay@cryptsoft.com)"
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 *    The word 'cryptographic' can be left out if the rouines from the library
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 *    being used are not cryptographic related :-).
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 * 4. If you include any Windows specific code (or a derivative thereof) from
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 *    the apps directory (application code) you must include an acknowledgement:
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 *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
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 *
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 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
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 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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 * SUCH DAMAGE.
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 *
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 * The licence and distribution terms for any publically available version or
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 * derivative of this code cannot be changed.  i.e. this code cannot simply be
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 * copied and put under another distribution licence
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 * [including the GNU Public Licence.]
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 */
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#include <stdio.h>
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#include <openssl/opensslv.h>
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#include <openssl/crypto.h>
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#include "md4_locl.h"
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/* Implemented from RFC1186 The MD4 Message-Digest Algorithm
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 */
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#define INIT_DATA_A (unsigned long)0x67452301L
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#define INIT_DATA_B (unsigned long)0xefcdab89L
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#define INIT_DATA_C (unsigned long)0x98badcfeL
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#define INIT_DATA_D (unsigned long)0x10325476L
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int MD4_Init(MD4_CTX *c)
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	{
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	memset (c,0,sizeof(*c));
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	c->A=INIT_DATA_A;
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	c->B=INIT_DATA_B;
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	c->C=INIT_DATA_C;
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	c->D=INIT_DATA_D;
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	return 1;
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	}
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#ifndef md4_block_data_order
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#ifdef X
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#undef X
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#endif
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void md4_block_data_order (MD4_CTX *c, const void *data_, size_t num)
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	{
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	const unsigned char *data=data_;
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	unsigned MD32_REG_T A,B,C,D,l;
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#ifndef MD32_XARRAY
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	/* See comment in crypto/sha/sha_locl.h for details. */
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	unsigned MD32_REG_T	XX0, XX1, XX2, XX3, XX4, XX5, XX6, XX7,
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				XX8, XX9,XX10,XX11,XX12,XX13,XX14,XX15;
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# define X(i)	XX##i
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#else
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	MD4_LONG XX[MD4_LBLOCK];
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# define X(i)	XX[i]
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#endif
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	A=c->A;
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	B=c->B;
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	C=c->C;
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	D=c->D;
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	for (;num--;)
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		{
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	HOST_c2l(data,l); X( 0)=l;
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	HOST_c2l(data,l); X( 1)=l;
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	/* Round 0 */
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	R0(A,B,C,D,X( 0), 3,0);	HOST_c2l(data,l); X( 2)=l;
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	R0(D,A,B,C,X( 1), 7,0);	HOST_c2l(data,l); X( 3)=l;
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	R0(C,D,A,B,X( 2),11,0);	HOST_c2l(data,l); X( 4)=l;
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	R0(B,C,D,A,X( 3),19,0);	HOST_c2l(data,l); X( 5)=l;
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	R0(A,B,C,D,X( 4), 3,0);	HOST_c2l(data,l); X( 6)=l;
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	R0(D,A,B,C,X( 5), 7,0);	HOST_c2l(data,l); X( 7)=l;
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	R0(C,D,A,B,X( 6),11,0);	HOST_c2l(data,l); X( 8)=l;
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	R0(B,C,D,A,X( 7),19,0);	HOST_c2l(data,l); X( 9)=l;
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	R0(A,B,C,D,X( 8), 3,0);	HOST_c2l(data,l); X(10)=l;
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	R0(D,A,B,C,X( 9), 7,0);	HOST_c2l(data,l); X(11)=l;
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	R0(C,D,A,B,X(10),11,0);	HOST_c2l(data,l); X(12)=l;
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	R0(B,C,D,A,X(11),19,0);	HOST_c2l(data,l); X(13)=l;
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	R0(A,B,C,D,X(12), 3,0);	HOST_c2l(data,l); X(14)=l;
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	R0(D,A,B,C,X(13), 7,0);	HOST_c2l(data,l); X(15)=l;
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	R0(C,D,A,B,X(14),11,0);
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	R0(B,C,D,A,X(15),19,0);
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	/* Round 1 */
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	R1(A,B,C,D,X( 0), 3,0x5A827999L);
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	R1(D,A,B,C,X( 4), 5,0x5A827999L);
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	R1(C,D,A,B,X( 8), 9,0x5A827999L);
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	R1(B,C,D,A,X(12),13,0x5A827999L);
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	R1(A,B,C,D,X( 1), 3,0x5A827999L);
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	R1(D,A,B,C,X( 5), 5,0x5A827999L);
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	R1(C,D,A,B,X( 9), 9,0x5A827999L);
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	R1(B,C,D,A,X(13),13,0x5A827999L);
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	R1(A,B,C,D,X( 2), 3,0x5A827999L);
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	R1(D,A,B,C,X( 6), 5,0x5A827999L);
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	R1(C,D,A,B,X(10), 9,0x5A827999L);
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	R1(B,C,D,A,X(14),13,0x5A827999L);
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	R1(A,B,C,D,X( 3), 3,0x5A827999L);
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	R1(D,A,B,C,X( 7), 5,0x5A827999L);
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	R1(C,D,A,B,X(11), 9,0x5A827999L);
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	R1(B,C,D,A,X(15),13,0x5A827999L);
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	/* Round 2 */
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	R2(A,B,C,D,X( 0), 3,0x6ED9EBA1L);
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	R2(D,A,B,C,X( 8), 9,0x6ED9EBA1L);
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	R2(C,D,A,B,X( 4),11,0x6ED9EBA1L);
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	R2(B,C,D,A,X(12),15,0x6ED9EBA1L);
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	R2(A,B,C,D,X( 2), 3,0x6ED9EBA1L);
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	R2(D,A,B,C,X(10), 9,0x6ED9EBA1L);
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	R2(C,D,A,B,X( 6),11,0x6ED9EBA1L);
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	R2(B,C,D,A,X(14),15,0x6ED9EBA1L);
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	R2(A,B,C,D,X( 1), 3,0x6ED9EBA1L);
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	R2(D,A,B,C,X( 9), 9,0x6ED9EBA1L);
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	R2(C,D,A,B,X( 5),11,0x6ED9EBA1L);
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	R2(B,C,D,A,X(13),15,0x6ED9EBA1L);
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	R2(A,B,C,D,X( 3), 3,0x6ED9EBA1L);
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	R2(D,A,B,C,X(11), 9,0x6ED9EBA1L);
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	R2(C,D,A,B,X( 7),11,0x6ED9EBA1L);
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	R2(B,C,D,A,X(15),15,0x6ED9EBA1L);
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	A = c->A += A;
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	B = c->B += B;
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	C = c->C += C;
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	D = c->D += D;
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		}
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	}
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#endif