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