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- /* Modified version of the HAVAL hash algorithm implementation
- * by Calyptix Security Corporation.
- * Use freely.
- *
- * Changes to the original version:
- * - Renamed some function and constants
- * - Added new include file to the haval.h header file
- * - Removed config.h from include directives
- */
- /* $Id: haval.h,v 1.2 2003/01/20 05:44:48 lteo Exp $ */
- /*
- * haval.h: specifies the interface to the HAVAL (V.1) hashing library.
- *
- * Copyright (c) 2003 Calyptix Security Corporation
- * All rights reserved.
- *
- * This code is derived from software contributed to Calyptix Security
- * Corporation by Yuliang Zheng.
- *
- * 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 above 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. Neither the name of Calyptix Security Corporation nor the
- * names of its contributors may be used to endorse or promote
- * products derived from this software without specific prior
- * written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "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
- * COPYRIGHT OWNER 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.
- *
- * -------------------------------------------------------------------
- *
- * HAVAL is a one-way hashing algorithm with the following
- * collision-resistant property:
- * It is computationally infeasible to find two or more
- * messages that are hashed into the same fingerprint.
- *
- * Reference:
- * Y. Zheng, J. Pieprzyk and J. Seberry:
- * ``HAVAL --- a one-way hashing algorithm with variable
- * length of output'', Advances in Cryptology --- AUSCRYPT'92,
- * Lecture Notes in Computer Science, Vol.718, pp.83-104,
- * Springer-Verlag, 1993.
- *
- * This library provides routines to hash
- * - a string,
- * - a file,
- * - input from the standard input device,
- * - a 32-word block, and
- * - a string of specified length.
- *
- * Authors: Yuliang Zheng and Lawrence Teo
- * Calyptix Security Corporation
- * P.O. Box 561508, Charlotte, NC 28213, USA
- * Email: info@calyptix.com
- * URL: http://www.calyptix.com/
- * Voice: +1 704 806 8635
- *
- * For a list of changes, see the ChangeLog file.
- */
- #include "../rhsyscfg.h" /* Endian, hash function passes and fptlen */
- typedef unsigned long int haval_word; /* a HAVAL word = 32 bits */
- typedef struct {
- haval_word count[2]; /* number of bits in a message */
- haval_word fingerprint[8]; /* current state of fingerprint */
- haval_word block[32]; /* buffer for a 32-word block */
- unsigned char remainder[32*4]; /* unhashed chars (No.<128) */
- } haval_state;
- void haval_string (char *, unsigned char *); /* hash a string */
- int haval_file (char *, unsigned char *); /* hash a file */
- void haval_stdin (void); /* filter -- hash input from stdin */
- void haval_start (haval_state *); /* initialization */
- void haval_hash (haval_state *, unsigned char *,
- unsigned int); /* updating routine */
- void haval_end (haval_state *, unsigned char *); /* finalization */
- void haval_hash_block (haval_state *); /* hash a 32-word block */
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