1143334Scperciva/*-
2143334Scperciva * Copyright 2005 Colin Percival
3143334Scperciva * All rights reserved.
4143334Scperciva *
5143334Scperciva * Redistribution and use in source and binary forms, with or without
6143334Scperciva * modification, are permitted provided that the following conditions
7143334Scperciva * are met:
8143334Scperciva * 1. Redistributions of source code must retain the above copyright
9143334Scperciva *    notice, this list of conditions and the following disclaimer.
10143334Scperciva * 2. Redistributions in binary form must reproduce the above copyright
11143334Scperciva *    notice, this list of conditions and the following disclaimer in the
12143334Scperciva *    documentation and/or other materials provided with the distribution.
13143334Scperciva *
14143334Scperciva * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15143334Scperciva * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16143334Scperciva * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17143334Scperciva * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18143334Scperciva * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19143334Scperciva * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20143334Scperciva * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21143334Scperciva * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22143334Scperciva * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23143334Scperciva * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24143334Scperciva * SUCH DAMAGE.
25143334Scperciva *
26143334Scperciva * $FreeBSD$
27143334Scperciva */
28143334Scperciva
29143334Scperciva#ifndef _SHA256_H_
30143334Scperciva#define _SHA256_H_
31143334Scperciva
32143334Scperciva#include <sys/types.h>
33143334Scperciva
34143334Scpercivatypedef struct SHA256Context {
35143334Scperciva	uint32_t state[8];
36143334Scperciva	uint32_t count[2];
37143334Scperciva	unsigned char buf[64];
38143334Scperciva} SHA256_CTX;
39143334Scperciva
40143334Scperciva__BEGIN_DECLS
41143334Scpercivavoid	SHA256_Init(SHA256_CTX *);
42154479Sphkvoid	SHA256_Update(SHA256_CTX *, const void *, size_t);
43143334Scpercivavoid	SHA256_Final(unsigned char [32], SHA256_CTX *);
44143334Scpercivachar   *SHA256_End(SHA256_CTX *, char *);
45143334Scpercivachar   *SHA256_File(const char *, char *);
46143334Scpercivachar   *SHA256_FileChunk(const char *, char *, off_t, off_t);
47154479Sphkchar   *SHA256_Data(const void *, unsigned int, char *);
48143334Scperciva__END_DECLS
49143334Scperciva
50143334Scperciva#endif /* !_SHA256_H_ */
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