1 /* $OpenBSD: md5.h,v 1.1 2004/05/07 14:42:26 millert 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 #include <sys/cdefs.h>
28
29 __BEGIN_DECLS
30 void MD5Init(MD5_CTX *);
31 void MD5Update(MD5_CTX *, const u_int8_t *, size_t)
32 __attribute__((__bounded__(__string__,2,3)));
33 void MD5Final(u_int8_t [MD5_DIGEST_LENGTH], MD5_CTX *)
34 __attribute__((__bounded__(__minbytes__,1,MD5_DIGEST_LENGTH)));
35 void MD5Transform(u_int32_t [4], const u_int8_t [MD5_BLOCK_LENGTH])
36 __attribute__((__bounded__(__minbytes__,1,4)))
37 __attribute__((__bounded__(__minbytes__,2,MD5_BLOCK_LENGTH)));
38 __END_DECLS
39
40 #endif /* _MD5_H_ */