/* * This code implements the MD5 message-digest algorithm. * The algorithm is due to Ron Rivest. This code was * written by Colin Plumb in 1993, no copyright is claimed. * This code is in the public domain; do with it what you wish. * * Equivalent code is available from RSA Data Security, Inc. * This code has been tested against that, and is equivalent, * except that you don't need to include two pages of legalese * with every copy. * * To compute the message digest of a chunk of bytes, declare an * MD5Context structure, pass it to MD5Init, call MD5Update as * needed on buffers full of bytes, and then call MD5Final, which * will fill a supplied 16-byte array with the digest. */ #ifndef MD5_H_ #define MD5_H_ #define MD5_DIGEST_LENGTH 16 #define MD5_BLOCK_LENGTH 64 typedef struct MD5Context { uint32_t state[4]; /* state (ABCD) */ uint64_t count; /* number of bits, modulo 2^64 (lsb first) */ unsigned char buffer[MD5_BLOCK_LENGTH]; /* input buffer */ } MD5_CTX; void MD5Init(MD5_CTX *); void MD5Update(MD5_CTX *, const unsigned char *, size_t); void MD5Final(unsigned char[MD5_DIGEST_LENGTH], MD5_CTX *); #endif