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/* $OpenBSD: rmd160.h,v 1.17 2012/12/05 23:19:57 deraadt Exp $ */
/*
* Copyright (c) 2001 Markus Friedl. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _RMD160_H
#define _RMD160_H
#define RMD160_BLOCK_LENGTH 64
#define RMD160_DIGEST_LENGTH 20
#define RMD160_DIGEST_STRING_LENGTH (RMD160_DIGEST_LENGTH * 2 + 1)
/* RMD160 context. */
typedef struct RMD160Context {
u_int32_t state[5]; /* state */
u_int64_t count; /* number of bits, mod 2^64 */
u_int8_t buffer[RMD160_BLOCK_LENGTH]; /* input buffer */
} RMD160_CTX;
__BEGIN_DECLS
void RMD160Init(RMD160_CTX *);
void RMD160Transform(u_int32_t [5], const u_int8_t [RMD160_BLOCK_LENGTH])
__attribute__((__bounded__(__minbytes__,1,5)))
__attribute__((__bounded__(__minbytes__,2,RMD160_BLOCK_LENGTH)));
void RMD160Update(RMD160_CTX *, const u_int8_t *, size_t)
__attribute__((__bounded__(__string__,2,3)));
void RMD160Pad(RMD160_CTX *);
void RMD160Final(u_int8_t [RMD160_DIGEST_LENGTH], RMD160_CTX *)
__attribute__((__bounded__(__minbytes__,1,RMD160_DIGEST_LENGTH)));
char *RMD160End(RMD160_CTX *, char *)
__attribute__((__bounded__(__minbytes__,2,RMD160_DIGEST_STRING_LENGTH)));
char *RMD160File(const char *, char *)
__attribute__((__bounded__(__minbytes__,2,RMD160_DIGEST_STRING_LENGTH)));
char *RMD160FileChunk(const char *, char *, off_t, off_t)
__attribute__((__bounded__(__minbytes__,2,RMD160_DIGEST_STRING_LENGTH)));
char *RMD160Data(const u_int8_t *, size_t, char *)
__attribute__((__bounded__(__string__,1,2)))
__attribute__((__bounded__(__minbytes__,3,RMD160_DIGEST_STRING_LENGTH)));
__END_DECLS
#endif /* _RMD160_H */
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