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c1a13ebaf4
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@1652 d57e44dd-8a1f-0410-8b47-8ef2f437770f
46 lines
1.4 KiB
C
46 lines
1.4 KiB
C
/*
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* This is the header file for the MD5 message-digest algorithm.
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* The algorithm is due to Ron Rivest. This code was
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* written by Colin Plumb in 1993, no copyright is claimed.
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* This code is in the public domain; do with it what you wish.
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*
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* Equivalent code is available from RSA Data Security, Inc.
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* This code has been tested against that, and is equivalent,
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* except that you don't need to include two pages of legalese
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* with every copy.
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*
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* To compute the message digest of a chunk of bytes, declare an
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* MD5Context structure, pass it to MD5Init, call MD5Update as
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* needed on buffers full of bytes, and then call MD5Final, which
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* will fill a supplied 16-byte array with the digest.
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*
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* Changed so as no longer to depend on Colin Plumb's `usual.h'
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* header definitions; now uses stuff from dpkg's config.h
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* - Ian Jackson <ijackson@nyx.cs.du.edu>.
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* Still in the public domain.
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*/
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#ifndef MD5_H
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#define MD5_H
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#include "types.h"
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#include <string.h>
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#define MD5_BLOCK_WORDS 16
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#define MD5_BLOCK_BYTES (MD5_BLOCK_WORDS * 4)
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#define MD5_DIGEST_WORDS 4
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#define MD5_DIGEST_BYTES (MD5_DIGEST_WORDS * 4)
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#define MD5_COUNTER_BYTES 8
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struct md5_ctx {
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u32 block[MD5_BLOCK_WORDS];
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u32 digest[MD5_DIGEST_WORDS];
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u64 count;
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};
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void md5_init(struct md5_ctx *ctx);
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void md5_update(struct md5_ctx *ctx, const void *data_in, size_t len);
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void md5_final(struct md5_ctx *ctx, u8 *out);
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#endif /* !MD5_H */
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