1 /* $OpenBSD: md5.h,v 1.3 2014/11/16 17:39:09 tedu Exp $ */ 2 3 /* 4 * This code implements the MD5 message-digest algorithm. 5 * The algorithm is due to Ron Rivest. This code was 6 * written by Colin Plumb in 1993, no copyright is claimed. 7 * This code is in the public domain; do with it what you wish. 8 * 9 * Equivalent code is available from RSA Data Security, Inc. 10 * This code has been tested against that, and is equivalent, 11 * except that you don't need to include two pages of legalese 12 * with every copy. 13 */ 14 15 #ifndef _MD5_H_ 16 #define _MD5_H_ 17 18 #define MD5_BLOCK_LENGTH 64 19 #define MD5_DIGEST_LENGTH 16 20 21 typedef struct MD5Context { 22 u_int32_t state[4]; /* state */ 23 u_int64_t count; /* number of bits, mod 2^64 */ 24 u_int8_t buffer[MD5_BLOCK_LENGTH]; /* input buffer */ 25 } MD5_CTX; 26 27 __BEGIN_DECLS 28 void MD5Init(MD5_CTX *); 29 void MD5Update(MD5_CTX *, const void *, size_t) 30 __attribute__((__bounded__(__string__,2,3))); 31 void MD5Final(u_int8_t [MD5_DIGEST_LENGTH], MD5_CTX *) 32 __attribute__((__bounded__(__minbytes__,1,MD5_DIGEST_LENGTH))); 33 void MD5Transform(u_int32_t [4], const u_int8_t [MD5_BLOCK_LENGTH]) 34 __attribute__((__bounded__(__minbytes__,1,4))) 35 __attribute__((__bounded__(__minbytes__,2,MD5_BLOCK_LENGTH))); 36 __END_DECLS 37 38 #endif /* _MD5_H_ */ 39