1 /* 2 * This code implements the MD5 message-digest algorithm. 3 * The algorithm is due to Ron Rivest. This code was 4 * written by Colin Plumb in 1993, no copyright is claimed. 5 * This code is in the public domain; do with it what you wish. 6 * 7 * Equivalent code is available from RSA Data Security, Inc. 8 * This code has been tested against that, and is equivalent, 9 * except that you don't need to include two pages of legalese 10 * with every copy. 11 * 12 * To compute the message digest of a chunk of bytes, declare an 13 * MD5Context structure, pass it to MD5Init, call MD5Update as 14 * needed on buffers full of bytes, and then call MD5Final, which 15 * will fill a supplied 16-byte array with the digest. 16 */ 17 18 #ifndef MD5_H 19 #define MD5_H 20 21 /* Minor tweaks for use from Omega: 22 * 23 * + Include netinet/in.h and/or arpa/inet.h to get uint32_t. 24 * + uint32 -> uint32_t. 25 * + MD5Transform is an internal helper so prototype moved to md5.cc. 26 * + Removed MD5_CTX. 27 * + Changed MD5Context.in to uint32_t instead of unsigned char. 28 */ 29 30 // To get uint32_t: 31 #ifdef HAVE_WORKING_STDINT_H 32 # include <stdint.h> 33 #else 34 # ifdef HAVE_ARPA_INET_H 35 # include <arpa/inet.h> 36 # endif 37 # ifdef HAVE_NETINET_IN_H 38 # include <netinet/in.h> 39 # endif 40 # ifdef __WIN32__ 41 typedef unsigned int uint32_t; 42 # endif 43 #endif 44 45 struct MD5Context { 46 uint32_t buf[4]; 47 uint32_t bits[2]; 48 uint32_t in[16]; 49 }; 50 51 void MD5Init(struct MD5Context *context); 52 void MD5Update(struct MD5Context *context, unsigned char const *buf, 53 unsigned len); 54 void MD5Final(unsigned char digest[16], struct MD5Context *context); 55 56 #endif /* !MD5_H */ 57