50 lines
1.4 KiB
C
50 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
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* - Ian Jackson <ian@chiark.greenend.org.uk>.
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* Still in the public domain.
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*/
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#ifndef MD5_UTILS_H_
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#define MD5_UTILS_H_
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define md5byte unsigned char
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#define UWORD32 unsigned int
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typedef struct MD5Context MD5Context;
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struct MD5Context {
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UWORD32 buf[4];
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UWORD32 bytes[2];
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UWORD32 in[16];
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};
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void MD5Init(struct MD5Context *context);
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void MD5Update(struct MD5Context *context, md5byte const *buf, unsigned len);
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void MD5Final(unsigned char digest[16], struct MD5Context *context);
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void MD5Transform(UWORD32 buf[4], UWORD32 const in[16]);
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#ifdef __cplusplus
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} // extern "C"
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#endif
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#endif // MD5_UTILS_H_
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