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80 lines
2.9 KiB
80 lines
2.9 KiB
15 years ago
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/* $Id: md5.h 4567 2001-02-24 08:10:16Z rra $
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**
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** 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 THIS SOFTWARE,
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** INCLUDING ALL IMPLIED WARRANTIES OF MER- CHANTABILITY AND FITNESS. IN
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** NO EVENT SHALL LANDON CURT NOLL BE LIABLE FOR ANY SPECIAL, INDIRECT OR
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** CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF
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** USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
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** OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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** PERFORMANCE OF THIS SOFTWARE.
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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 it is
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** identified as the "RSA Data Security, Inc. MD5 Message-Digest
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** Algorithm" in all material mentioning or referencing this software or
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** this function.
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**
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** License is also granted to make and use derivative works provided that
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** such works are identified as "derived from the RSA Data Security,
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** Inc. MD5 Message-Digest Algorithm" in all material mentioning or
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** referencing the derived work.
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**
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** RSA Data Security, Inc. makes no representations concerning either the
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** merchantability of this software or the suitability of this software for
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** any particular purpose. It is provided "as is" without express or
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** 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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#ifndef INN_MD5_H
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#define INN_MD5_H 1
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#include <inn/defines.h>
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/* Make sure we have uint32_t. */
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#include <sys/types.h>
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#if INN_HAVE_INTTYPES_H
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# include <inttypes.h>
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#endif
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/* SCO OpenServer gets int32_t from here. */
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#if INN_HAVE_SYS_BITYPES_H
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# include <sys/bitypes.h>
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#endif
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/* Bytes to process at once, defined by the algorithm. */
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#define MD5_CHUNKSIZE (1 << 6)
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#define MD5_CHUNKWORDS (MD5_CHUNKSIZE / sizeof(uint32_t))
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/* Length of the digest, defined by the algorithm. */
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#define MD5_DIGESTSIZE 16
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#define MD5_DIGESTWORDS (MD5_DIGESTSIZE / sizeof(uint32_t))
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BEGIN_DECLS
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/* Data structure for MD5 message-digest computation. */
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struct md5_context {
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uint32_t count[2]; /* A 64-bit byte count. */
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uint32_t buf[MD5_DIGESTWORDS]; /* Scratch buffer. */
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union {
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unsigned char byte[MD5_CHUNKSIZE]; /* Byte chunk buffer. */
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uint32_t word[MD5_CHUNKWORDS]; /* Word chunk buffer. */
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} in;
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unsigned int datalen; /* Length of data in in. */
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unsigned char digest[MD5_DIGESTSIZE]; /* Final digest. */
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};
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extern void md5_hash(const unsigned char *, size_t, unsigned char *);
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extern void md5_init(struct md5_context *);
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extern void md5_update(struct md5_context *, const unsigned char *, size_t);
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extern void md5_final(struct md5_context *);
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END_DECLS
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#endif /* !INN_MD5_H */
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