rmd160.h revision 1.15 
1/*	$OpenBSD: rmd160.h,v 1.15 2004/05/03 17:30:14 millert Exp $	*/
2/*
3 * Copyright (c) 2001 Markus Friedl.  All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
15 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
16 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
17 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
18 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
19 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
20 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
21 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25#ifndef  _RMD160_H
26#define  _RMD160_H
27
28#define	RMD160_BLOCK_LENGTH		64
29#define	RMD160_DIGEST_LENGTH		20
30#define	RMD160_DIGEST_STRING_LENGTH	(RMD160_DIGEST_LENGTH * 2 + 1)
31
32/* RMD160 context. */
33typedef struct RMD160Context {
34	u_int32_t state[5];			/* state */
35	u_int64_t count;			/* number of bits, mod 2^64 */
36	u_int8_t buffer[RMD160_BLOCK_LENGTH];	/* input buffer */
37} RMD160_CTX;
38
39#include <sys/cdefs.h>
40
41__BEGIN_DECLS
42void	 RMD160Init(RMD160_CTX *);
43void	 RMD160Transform(u_int32_t [5], const u_int8_t [RMD160_BLOCK_LENGTH])
44		__attribute__((__bounded__(__minbytes__,1,5)))
45		__attribute__((__bounded__(__minbytes__,2,RMD160_BLOCK_LENGTH)));
46void	 RMD160Update(RMD160_CTX *, const u_int8_t *, size_t)
47		__attribute__((__bounded__(__string__,2,3)));
48void	 RMD160Pad(RMD160_CTX *);
49void	 RMD160Final(u_int8_t [RMD160_DIGEST_LENGTH], RMD160_CTX *)
50		__attribute__((__bounded__(__minbytes__,1,RMD160_DIGEST_LENGTH)));
51char	*RMD160End(RMD160_CTX *, char *)
52		__attribute__((__bounded__(__minbytes__,2,RMD160_DIGEST_STRING_LENGTH)));
53char	*RMD160File(char *, char *)
54		__attribute__((__bounded__(__minbytes__,2,RMD160_DIGEST_STRING_LENGTH)));
55char	*RMD160FileChunk(char *, char *, off_t, off_t)
56		__attribute__((__bounded__(__minbytes__,2,RMD160_DIGEST_STRING_LENGTH)));
57char	*RMD160Data(const u_int8_t *, size_t, char *)
58		__attribute__((__bounded__(__string__,1,2)))
59		__attribute__((__bounded__(__minbytes__,3,RMD160_DIGEST_STRING_LENGTH)));
60__END_DECLS
61
62#endif  /* _RMD160_H */
63