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41 lines
1.1 KiB
C++
41 lines
1.1 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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#ifndef MD5_H
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#define MD5_H
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class FileReader;
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struct MD5Context
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{
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MD5Context() { Init(); }
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void Init();
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void Update(const uint8_t *buf, unsigned len);
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void Update(FileReader &file, unsigned len);
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void Final(uint8_t digest[16]);
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private:
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uint32_t buf[4];
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uint32_t bytes[2];
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uint32_t in[16];
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};
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void MD5Transform(uint32_t buf[4], uint32_t const in[16]);
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#endif /* !MD5_H */
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