190d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber/* 2f71323e297a928af368937089d3ed71239786f86Andreas Huber * This is the header file for the MD5 message-digest algorithm. 3f71323e297a928af368937089d3ed71239786f86Andreas Huber * The algorithm is due to Ron Rivest. This code was 4f71323e297a928af368937089d3ed71239786f86Andreas Huber * written by Colin Plumb in 1993, no copyright is claimed. 5f71323e297a928af368937089d3ed71239786f86Andreas Huber * This code is in the public domain; do with it what you wish. 690d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber * 7f71323e297a928af368937089d3ed71239786f86Andreas Huber * Equivalent code is available from RSA Data Security, Inc. 8f71323e297a928af368937089d3ed71239786f86Andreas Huber * This code has been tested against that, and is equivalent, 9f71323e297a928af368937089d3ed71239786f86Andreas Huber * except that you don't need to include two pages of legalese 10f71323e297a928af368937089d3ed71239786f86Andreas Huber * with every copy. 11f71323e297a928af368937089d3ed71239786f86Andreas Huber * 12f71323e297a928af368937089d3ed71239786f86Andreas Huber * To compute the message digest of a chunk of bytes, declare an 13f71323e297a928af368937089d3ed71239786f86Andreas Huber * MD5Context structure, pass it to MD5Init, call MD5Update as 14f71323e297a928af368937089d3ed71239786f86Andreas Huber * needed on buffers full of bytes, and then call MD5Final, which 15f71323e297a928af368937089d3ed71239786f86Andreas Huber * will fill a supplied 16-byte array with the digest. 16f71323e297a928af368937089d3ed71239786f86Andreas Huber * 17f71323e297a928af368937089d3ed71239786f86Andreas Huber * Changed so as no longer to depend on Colin Plumb's `usual.h' 18f71323e297a928af368937089d3ed71239786f86Andreas Huber * header definitions 19f71323e297a928af368937089d3ed71239786f86Andreas Huber * - Ian Jackson <ian@chiark.greenend.org.uk>. 20f71323e297a928af368937089d3ed71239786f86Andreas Huber * Still in the public domain. 2190d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber */ 2290d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber 23f71323e297a928af368937089d3ed71239786f86Andreas Huber#ifndef MD5_H 24f71323e297a928af368937089d3ed71239786f86Andreas Huber#define MD5_H 2590d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber 26f71323e297a928af368937089d3ed71239786f86Andreas Huber#define md5byte unsigned char 27f71323e297a928af368937089d3ed71239786f86Andreas Huber#define UWORD32 unsigned int 2890d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber 29f71323e297a928af368937089d3ed71239786f86Andreas Hubertypedef struct MD5Context MD5Context; 30ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuangstruct MD5Context { 31ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang UWORD32 buf[4]; 32ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang UWORD32 bytes[2]; 33ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang UWORD32 in[16]; 34f71323e297a928af368937089d3ed71239786f86Andreas Huber}; 35f71323e297a928af368937089d3ed71239786f86Andreas Huber 36f71323e297a928af368937089d3ed71239786f86Andreas Hubervoid MD5Init(struct MD5Context *context); 37f71323e297a928af368937089d3ed71239786f86Andreas Hubervoid MD5Update(struct MD5Context *context, md5byte const *buf, unsigned len); 38f71323e297a928af368937089d3ed71239786f86Andreas Hubervoid MD5Final(unsigned char digest[16], struct MD5Context *context); 39f71323e297a928af368937089d3ed71239786f86Andreas Hubervoid MD5Transform(UWORD32 buf[4], UWORD32 const in[16]); 4090d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber 41f71323e297a928af368937089d3ed71239786f86Andreas Huber#endif /* !MD5_H */ 42