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1/* $OpenBSD: rmd160.h,v 1.17 2012/12/05 23:19:57 deraadt 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#ifndef WITH_OPENSSL
29
30#define RMD160_BLOCK_LENGTH 64
31#define RMD160_DIGEST_LENGTH 20
32#define RMD160_DIGEST_STRING_LENGTH (RMD160_DIGEST_LENGTH * 2 + 1)
33
34/* RMD160 context. */
35typedef struct RMD160Context {
36 u_int32_t state[5]; /* state */
37 u_int64_t count; /* number of bits, mod 2^64 */
38 u_int8_t buffer[RMD160_BLOCK_LENGTH]; /* input buffer */
39} RMD160_CTX;
40
41void RMD160Init(RMD160_CTX *);
42void RMD160Transform(u_int32_t [5], const u_int8_t [RMD160_BLOCK_LENGTH])
43 __attribute__((__bounded__(__minbytes__,1,5)))
44 __attribute__((__bounded__(__minbytes__,2,RMD160_BLOCK_LENGTH)));
45void RMD160Update(RMD160_CTX *, const u_int8_t *, size_t)
46 __attribute__((__bounded__(__string__,2,3)));
47void RMD160Pad(RMD160_CTX *);
48void RMD160Final(u_int8_t [RMD160_DIGEST_LENGTH], RMD160_CTX *)
49 __attribute__((__bounded__(__minbytes__,1,RMD160_DIGEST_LENGTH)));
50char *RMD160End(RMD160_CTX *, char *)
51 __attribute__((__bounded__(__minbytes__,2,RMD160_DIGEST_STRING_LENGTH)));
52char *RMD160File(const char *, char *)
53 __attribute__((__bounded__(__minbytes__,2,RMD160_DIGEST_STRING_LENGTH)));
54char *RMD160FileChunk(const char *, char *, off_t, off_t)
55 __attribute__((__bounded__(__minbytes__,2,RMD160_DIGEST_STRING_LENGTH)));
56char *RMD160Data(const u_int8_t *, size_t, char *)
57 __attribute__((__bounded__(__string__,1,2)))
58 __attribute__((__bounded__(__minbytes__,3,RMD160_DIGEST_STRING_LENGTH)));
59
60#endif /* !WITH_OPENSSL */
61#endif /* _RMD160_H */