1/*
2 * Copyright 2005 Colin Percival
3 * 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 AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 *
26 * $FreeBSD$
27 */
28
29#ifndef _SHA512_H_
30#define	_SHA512_H_
31
32#ifndef _KERNEL
33#include <sys/types.h>
34#endif
35
36#define	SHA512_BLOCK_LENGTH		128
37#define	SHA512_DIGEST_LENGTH		64
38#define	SHA512_DIGEST_STRING_LENGTH	(SHA512_DIGEST_LENGTH * 2 + 1)
39
40typedef struct SHA512Context {
41	uint64_t state[8];
42	uint64_t count[2];
43	uint8_t buf[SHA512_BLOCK_LENGTH];
44} SHA512_CTX;
45
46__BEGIN_DECLS
47
48/* Ensure libmd symbols do not clash with libcrypto */
49#if 0
50#ifndef SHA512_Init
51#define	SHA512_Init		_libmd_SHA512_Init
52#endif
53#ifndef SHA512_Update
54#define	SHA512_Update		_libmd_SHA512_Update
55#endif
56#ifndef SHA512_Final
57#define	SHA512_Final		_libmd_SHA512_Final
58#endif
59#endif
60#ifndef SHA512_End
61#define	SHA512_End		_libmd_SHA512_End
62#endif
63#ifndef SHA512_Fd
64#define	SHA512_Fd		_libmd_SHA512_Fd
65#endif
66#ifndef SHA512_FdChunk
67#define	SHA512_FdChunk		_libmd_SHA512_FdChunk
68#endif
69#ifndef SHA512_File
70#define	SHA512_File		_libmd_SHA512_File
71#endif
72#ifndef SHA512_FileChunk
73#define	SHA512_FileChunk	_libmd_SHA512_FileChunk
74#endif
75#ifndef SHA512_Data
76#define	SHA512_Data		_libmd_SHA512_Data
77#endif
78
79#ifndef SHA512_Transform
80#define	SHA512_Transform	_libmd_SHA512_Transform
81#endif
82#ifndef SHA512_version
83#define	SHA512_version		_libmd_SHA512_version
84#endif
85
86void	SHA512_Init(SHA512_CTX *);
87void	SHA512_Update(SHA512_CTX *, const void *, size_t);
88void	SHA512_Final(unsigned char [__min_size(SHA512_DIGEST_LENGTH)],
89    SHA512_CTX *);
90#ifndef _KERNEL
91char   *SHA512_End(SHA512_CTX *, char *);
92char   *SHA512_Data(const void *, unsigned int, char *);
93char   *SHA512_Fd(int, char *);
94char   *SHA512_FdChunk(int, char *, off_t, off_t);
95char   *SHA512_File(const char *, char *);
96char   *SHA512_FileChunk(const char *, char *, off_t, off_t);
97#endif
98
99__END_DECLS
100
101#endif /* !_SHA512_H_ */
102