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/*
* md5 - RSA Data Security, Inc. MD5 Message-Digest Algorithm
*
* LANDON CURT NOLL DISCLAIMS ALL WARRANTIES WITH REGARD TO
* THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MER-
* CHANTABILITY AND FITNESS. IN NO EVENT SHALL LANDON CURT
* NOLL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL
* DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF
* USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
* NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
* @(#) $Revision: 29.1 $
* @(#) $Id: md5.h,v 29.1 1999/12/14 09:16:12 chongo Exp $
* @(#) $Source: /usr/local/src/cmd/calc/RCS/md5.h,v $
*
* This file is not covered under version 2.1 of the GNU LGPL.
*/
/*
***********************************************************************
** Copyright (C) 1990, RSA Data Security, Inc. All rights reserved. **
** **
** License to copy and use this software is granted provided that **
** it is identified as the "RSA Data Security, Inc. MD5 Message- **
** Digest Algorithm" in all material mentioning or referencing this **
** software or this function. **
** **
** License is also granted to make and use derivative works **
** provided that such works are identified as "derived from the RSA **
** Data Security, Inc. MD5 Message-Digest Algorithm" in all **
** material mentioning or referencing the derived work. **
** **
** RSA Data Security, Inc. makes no representations concerning **
** either the merchantability of this software or the suitability **
** of this software for any particular purpose. It is provided "as **
** is" without express or implied warranty of any kind. **
** **
** These notices must be retained in any copies of any part of this **
** documentation and/or software. **
***********************************************************************
*/
#if !defined(__MD5_H__)
#define __MD5_H__
/* MD5_CHUNKSIZE must be a power of 2 - fixed value defined by the algorithm */
#define MD5_CHUNKSIZE (1<<6)
#define MD5_CHUNKWORDS (MD5_CHUNKSIZE/sizeof(USB32))
/* MD5_DIGESTSIZE is a the length of the digest as defined by the algorithm */
#define MD5_DIGESTSIZE (16)
#define MD5_DIGESTWORDS (MD5_DIGESTSIZE/sizeof(USB32))
/* MD5_LOW - where low 32 bits of 64 bit count is stored during final */
#define MD5_LOW 14
/* MD5_HIGH - where high 32 bits of 64 bit count is stored during final */
#define MD5_HIGH 15
/*
* MD5COUNT(MD5_CTX*, USB32) - update the 64 bit count in an MD5_CTX
*
* We will count bytes and convert to bit count during the final
* transform.
*/
#define MD5COUNT(md5info, count) { \
USB32 tmp_countLo; \
tmp_countLo = (md5info)->countLo; \
if (((md5info)->countLo += (count)) < tmp_countLo) { \
(md5info)->countHi++; \
} \
}
/*
* Data structure for MD5 (Message-Digest) computation
*/
typedef struct {
USB32 digest[MD5_DIGESTWORDS]; /* message digest */
USB32 countLo; /* 64 bit count: bits 3-34 */
USB32 countHi; /* 64 bit count: bits 35-63 (64-66 ignored) */
USB32 datalen; /* length of data in inp.inp_USB8 */
USB32 data[MD5_CHUNKWORDS]; /* USB32 chunk buffer */
} MD5_CTX;
#endif /* __MD5_H__ */
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