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68 lines
3.1 KiB
C
68 lines
3.1 KiB
C
/*
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**********************************************************************
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** md5.h -- Header file for implementation of MD5 **
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** RSA Data Security, Inc. MD5 Message Digest Algorithm **
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** Created: 2/17/90 RLR **
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** Revised: 12/27/90 SRD,AJ,BSK,JT Reference C version **
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** Revised (for MD5): RLR 4/27/91 **
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** -- G modified to have y&~z instead of y&z **
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** -- FF, GG, HH modified to add in last register done **
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** -- Access pattern: round 2 works mod 5, round 3 works mod 3 **
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** -- distinct additive constant for each step **
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** -- round 4 added, working mod 7 **
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**********************************************************************
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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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#ifndef MD5_H
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#define MD5_H
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#if HAVE_INTTYPES_H
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# include <inttypes.h>
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#else
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# if HAVE_STDINT_H
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# include <stdint.h>
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# endif
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#endif
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#include "hash.h"
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/* typedef a 32 bit type */
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typedef uint32_t UINT4;
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#define MD5_DIGEST_STRING_LENGTH 32
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/* Data structure for MD5 (Message Digest) computation */
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typedef struct {
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UINT4 i[2]; /* number of _bits_ handled mod 2^64 */
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UINT4 buf[4]; /* scratch buffer */
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unsigned char in[64]; /* input buffer */
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unsigned char digest[16]; /* actual digest after MD5Final call */
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} MD5_CTX;
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void MD5Init (MD5_CTX *);
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void MD5Update (MD5_CTX *, const unsigned char *, unsigned int);
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void MD5Final (MD5_CTX *, char *);
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void MD5Sprint (MD5_CTX *, char *);
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#endif /* MD5_H */
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