aboutsummaryrefslogtreecommitdiff
path: root/contrib/bind9/lib/isc/include/isc/sha2.h
blob: edafa611bc229b1070829316e62ae9ce3fa9f1bd (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
/*
 * Copyright (C) 2005-2007, 2010  Internet Systems Consortium, Inc. ("ISC")
 *
 * Permission to use, copy, modify, and/or distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
 * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
 * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
 * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
 * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
 * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
 * PERFORMANCE OF THIS SOFTWARE.
 */

/* $Id: sha2.h,v 1.9.332.2 2010/01/15 23:47:34 tbox Exp $ */

/*	$FreeBSD$	*/
/*	$KAME: sha2.h,v 1.3 2001/03/12 08:27:48 itojun Exp $	*/

/*
 * sha2.h
 *
 * Version 1.0.0beta1
 *
 * Written by Aaron D. Gifford <me@aarongifford.com>
 *
 * Copyright 2000 Aaron D. Gifford.  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.
 * 3. Neither the name of the copyright holder nor the names of contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) AND CONTRIBUTOR(S) ``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(S) OR CONTRIBUTOR(S) 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 ISC_SHA2_H
#define ISC_SHA2_H

#include <isc/lang.h>
#include <isc/types.h>

/*** SHA-224/256/384/512 Various Length Definitions ***********************/

#define ISC_SHA224_BLOCK_LENGTH		64U
#define ISC_SHA224_DIGESTLENGTH	28U
#define ISC_SHA224_DIGESTSTRINGLENGTH	(ISC_SHA224_DIGESTLENGTH * 2 + 1)
#define ISC_SHA256_BLOCK_LENGTH		64U
#define ISC_SHA256_DIGESTLENGTH	32U
#define ISC_SHA256_DIGESTSTRINGLENGTH	(ISC_SHA256_DIGESTLENGTH * 2 + 1)
#define ISC_SHA384_BLOCK_LENGTH		128
#define ISC_SHA384_DIGESTLENGTH	48U
#define ISC_SHA384_DIGESTSTRINGLENGTH	(ISC_SHA384_DIGESTLENGTH * 2 + 1)
#define ISC_SHA512_BLOCK_LENGTH		128U
#define ISC_SHA512_DIGESTLENGTH	64U
#define ISC_SHA512_DIGESTSTRINGLENGTH	(ISC_SHA512_DIGESTLENGTH * 2 + 1)


ISC_LANG_BEGINDECLS

/*** SHA-256/384/512 Context Structures *******************************/

/*
 * Keep buffer immediately after bitcount to preserve alignment.
 */
typedef struct {
	isc_uint32_t	state[8];
	isc_uint64_t	bitcount;
	isc_uint8_t	buffer[ISC_SHA256_BLOCK_LENGTH];
} isc_sha256_t;

/*
 * Keep buffer immediately after bitcount to preserve alignment.
 */
typedef struct {
	isc_uint64_t	state[8];
	isc_uint64_t	bitcount[2];
	isc_uint8_t	buffer[ISC_SHA512_BLOCK_LENGTH];
} isc_sha512_t;

typedef isc_sha256_t isc_sha224_t;
typedef isc_sha512_t isc_sha384_t;

/*** SHA-224/256/384/512 Function Prototypes ******************************/

void isc_sha224_init (isc_sha224_t *);
void isc_sha224_invalidate (isc_sha224_t *);
void isc_sha224_update (isc_sha224_t *, const isc_uint8_t *, size_t);
void isc_sha224_final (isc_uint8_t[ISC_SHA224_DIGESTLENGTH], isc_sha224_t *);
char *isc_sha224_end (isc_sha224_t *, char[ISC_SHA224_DIGESTSTRINGLENGTH]);
char *isc_sha224_data (const isc_uint8_t *, size_t, char[ISC_SHA224_DIGESTSTRINGLENGTH]);

void isc_sha256_init (isc_sha256_t *);
void isc_sha256_invalidate (isc_sha256_t *);
void isc_sha256_update (isc_sha256_t *, const isc_uint8_t *, size_t);
void isc_sha256_final (isc_uint8_t[ISC_SHA256_DIGESTLENGTH], isc_sha256_t *);
char *isc_sha256_end (isc_sha256_t *, char[ISC_SHA256_DIGESTSTRINGLENGTH]);
char *isc_sha256_data (const isc_uint8_t *, size_t, char[ISC_SHA256_DIGESTSTRINGLENGTH]);

void isc_sha384_init (isc_sha384_t *);
void isc_sha384_invalidate (isc_sha384_t *);
void isc_sha384_update (isc_sha384_t *, const isc_uint8_t *, size_t);
void isc_sha384_final (isc_uint8_t[ISC_SHA384_DIGESTLENGTH], isc_sha384_t *);
char *isc_sha384_end (isc_sha384_t *, char[ISC_SHA384_DIGESTSTRINGLENGTH]);
char *isc_sha384_data (const isc_uint8_t *, size_t, char[ISC_SHA384_DIGESTSTRINGLENGTH]);

void isc_sha512_init (isc_sha512_t *);
void isc_sha512_invalidate (isc_sha512_t *);
void isc_sha512_update (isc_sha512_t *, const isc_uint8_t *, size_t);
void isc_sha512_final (isc_uint8_t[ISC_SHA512_DIGESTLENGTH], isc_sha512_t *);
char *isc_sha512_end (isc_sha512_t *, char[ISC_SHA512_DIGESTSTRINGLENGTH]);
char *isc_sha512_data (const isc_uint8_t *, size_t, char[ISC_SHA512_DIGESTSTRINGLENGTH]);

ISC_LANG_ENDDECLS

#endif /* ISC_SHA2_H */