sha256.h revision 314327 
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: stable/10/sys/crypto/sha2/sha256.h 314327 2017-02-27 08:27:38Z avg $
27 */
28
29#ifndef _SHA256_H_
30#define _SHA256_H_
31
32#ifndef _KERNEL
33#include <sys/types.h>
34#endif
35
36#define SHA256_BLOCK_LENGTH		64
37#define SHA256_DIGEST_LENGTH		32
38#define SHA256_DIGEST_STRING_LENGTH	(SHA256_DIGEST_LENGTH * 2 + 1)
39
40typedef struct SHA256Context {
41	uint32_t state[8];
42	uint64_t count;
43	uint8_t buf[SHA256_BLOCK_LENGTH];
44} SHA256_CTX;
45
46__BEGIN_DECLS
47
48/* Ensure libmd symbols do not clash with libcrypto */
49
50#ifndef SHA256_Init
51#define SHA256_Init		_libmd_SHA256_Init
52#endif
53#ifndef SHA256_Update
54#define SHA256_Update		_libmd_SHA256_Update
55#endif
56#ifndef SHA256_Final
57#define SHA256_Final		_libmd_SHA256_Final
58#endif
59#ifndef SHA256_End
60#define SHA256_End		_libmd_SHA256_End
61#endif
62#ifndef SHA256_File
63#define SHA256_File		_libmd_SHA256_File
64#endif
65#ifndef SHA256_FileChunk
66#define SHA256_FileChunk	_libmd_SHA256_FileChunk
67#endif
68#ifndef SHA256_Data
69#define SHA256_Data		_libmd_SHA256_Data
70#endif
71
72#ifndef SHA256_Transform
73#define SHA256_Transform	_libmd_SHA256_Transform
74#endif
75#ifndef SHA256_version
76#define SHA256_version		_libmd_SHA256_version
77#endif
78
79void	SHA256_Init(SHA256_CTX *);
80void	SHA256_Update(SHA256_CTX *, const void *, size_t);
81void	SHA256_Final(unsigned char [SHA256_DIGEST_LENGTH], SHA256_CTX *);
82#ifndef _KERNEL
83char   *SHA256_End(SHA256_CTX *, char *);
84char   *SHA256_Data(const void *, unsigned int, char *);
85char   *SHA256_File(const char *, char *);
86char   *SHA256_FileChunk(const char *, char *, off_t, off_t);
87#endif
88__END_DECLS
89
90#endif /* !_SHA256_H_ */
91