xref: /openbsd/sys/crypto/rmd160.h (revision 404b540a)
1 /*	$OpenBSD: rmd160.h,v 1.5 2009/07/05 19:33:46 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 
31 /* RMD160 context. */
32 typedef struct RMD160Context {
33 	u_int32_t state[5];			/* state */
34 	u_int64_t count;			/* number of bits, mod 2^64 */
35 	u_char buffer[RMD160_BLOCK_LENGTH];	/* input buffer */
36 } RMD160_CTX;
37 
38 __BEGIN_DECLS
39 void	 RMD160Init(RMD160_CTX *);
40 void	 RMD160Transform(u_int32_t [5], const u_char [RMD160_BLOCK_LENGTH])
41 	     __attribute__((__bounded__(__minbytes__,1,5)))
42 	     __attribute__((__bounded__(__minbytes__,2,RMD160_BLOCK_LENGTH)));
43 void	 RMD160Update(RMD160_CTX *, const u_char *, u_int32_t)
44 	     __attribute__((__bounded__(__string__,2,3)));
45 void	 RMD160Final(u_char [RMD160_DIGEST_LENGTH], RMD160_CTX *)
46 	     __attribute__((__bounded__(__minbytes__,1,RMD160_DIGEST_LENGTH)));
47 __END_DECLS
48 
49 #endif  /* _RMD160_H */
50