1 /* This code implements the MD5 message-digest algorithm. 2 * The algorithm is due to Ron Rivest. This code was 3 * written by Colin Plumb in 1993, no copyright is claimed. 4 * This code is in the public domain; do with it what you wish. 5 * 6 * Equivalent code is available from RSA Data Security, Inc. 7 * This code has been tested against that, and is equivalent, 8 * except that you don't need to include two pages of legalese 9 * with every copy. 10 * 11 * To compute the message digest of a chunk of bytes, declare an 12 * MD5Context structure, pass it to MD5Init, call MD5Update as 13 * needed on buffers full of bytes, and then call MD5Final, which 14 * will fill a supplied 16-byte array with the digest. 15 */ 16 17 #ifndef MD5_H 18 #define MD5_H 19 20 #include <sys/types.h> 21 #if defined SOLARIS 22 typedef uint32_t u_int32_t; 23 typedef uint16_t u_int16_t; 24 typedef uint8_t u_int8_t; 25 #endif 26 27 #if defined HPUX 28 typedef uint32_t u_int32_t; 29 typedef uint16_t u_int16_t; 30 typedef uint8_t u_int8_t; 31 #endif 32 33 #ifdef WIN32 34 typedef unsigned int u_int32_t; 35 #endif 36 37 typedef u_int32_t uint32; 38 39 struct MD5Context { 40 uint32 buf[4]; 41 uint32 bits[2]; 42 union { 43 unsigned char in[64]; 44 uint32 in32[16]; 45 }; 46 }; 47 48 void MD5Init(struct MD5Context *context); 49 void MD5Update(struct MD5Context *context, unsigned char const *buf, 50 unsigned len); 51 void MD5Final(unsigned char digest[16], struct MD5Context *context); 52 void MD5Transform(uint32 buf[4], uint32 const in[16]); 53 54 /* This is needed to make RSAREF happy on some MS-DOS compilers */ 55 typedef struct MD5Context MD5_CTX; 56 57 #endif /* MD5_H */ 58 59