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 23b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian#ifndef MD5_UTILS_H_ 24b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian#define MD5_UTILS_H_ 25b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian 26b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian#ifdef __cplusplus 27b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanianextern "C" { 28b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian#endif 2990d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber 30f71323e297a928af368937089d3ed71239786f86Andreas Huber#define md5byte unsigned char 31f71323e297a928af368937089d3ed71239786f86Andreas Huber#define UWORD32 unsigned int 3290d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber 33f71323e297a928af368937089d3ed71239786f86Andreas Hubertypedef struct MD5Context MD5Context; 34ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuangstruct MD5Context { 35ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang UWORD32 buf[4]; 36ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang UWORD32 bytes[2]; 37ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang UWORD32 in[16]; 38f71323e297a928af368937089d3ed71239786f86Andreas Huber}; 39f71323e297a928af368937089d3ed71239786f86Andreas Huber 40f71323e297a928af368937089d3ed71239786f86Andreas Hubervoid MD5Init(struct MD5Context *context); 41f71323e297a928af368937089d3ed71239786f86Andreas Hubervoid MD5Update(struct MD5Context *context, md5byte const *buf, unsigned len); 42f71323e297a928af368937089d3ed71239786f86Andreas Hubervoid MD5Final(unsigned char digest[16], struct MD5Context *context); 43f71323e297a928af368937089d3ed71239786f86Andreas Hubervoid MD5Transform(UWORD32 buf[4], UWORD32 const in[16]); 4490d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber 45b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian#ifdef __cplusplus 46b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian} // extern "C" 47b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian#endif 48b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian 49b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian#endif // MD5_UTILS_H_ 50