1/* $NetBSD: sha2.h,v 1.3 2009/05/26 08:04:12 joerg Exp $ */
2/* $KAME: sha2.h,v 1.4 2003/07/20 00:28:38 itojun Exp $ */
3
4/*
5 * sha2.h
6 *
7 * Version 1.0.0beta1
8 *
9 * Written by Aaron D. Gifford <me@aarongifford.com>
10 *
11 * Copyright 2000 Aaron D. Gifford. All rights reserved.
12 *
13 * Redistribution and use in source and binary forms, with or without
14 * modification, are permitted provided that the following conditions
15 * are met:
16 * 1. Redistributions of source code must retain the above copyright
17 * notice, this list of conditions and the following disclaimer.
18 * 2. Redistributions in binary form must reproduce the above copyright
19 * notice, this list of conditions and the following disclaimer in the
20 * documentation and/or other materials provided with the distribution.
21 * 3. Neither the name of the copyright holder nor the names of contributors
22 * may be used to endorse or promote products derived from this software
23 * without specific prior written permission.
24 *
25 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) AND CONTRIBUTOR(S) ``AS IS'' AND
26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
28 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR(S) OR CONTRIBUTOR(S) BE LIABLE
29 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
31 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35 * SUCH DAMAGE.
36 *
37 */
38
39#ifndef __SHA2_H__
40#define __SHA2_H__
41
42#include <sys/types.h>
43#include <sys/cdefs.h>
44
45/*** SHA-224/256/384/512 Various Length Definitions ***********************/
46#define SHA224_BLOCK_LENGTH 64
47#define SHA224_DIGEST_LENGTH 28
48#define SHA224_DIGEST_STRING_LENGTH (SHA224_DIGEST_LENGTH * 2 + 1)
49#define SHA256_BLOCK_LENGTH 64
50#define SHA256_DIGEST_LENGTH 32
51#define SHA256_DIGEST_STRING_LENGTH (SHA256_DIGEST_LENGTH * 2 + 1)
52#define SHA384_BLOCK_LENGTH 128
53#define SHA384_DIGEST_LENGTH 48
54#define SHA384_DIGEST_STRING_LENGTH (SHA384_DIGEST_LENGTH * 2 + 1)
55#define SHA512_BLOCK_LENGTH 128
56#define SHA512_DIGEST_LENGTH 64
57#define SHA512_DIGEST_STRING_LENGTH (SHA512_DIGEST_LENGTH * 2 + 1)
58
59
60/*** SHA-256/384/512 Context Structures *******************************/
61typedef struct _SHA256_CTX {
62 uint32_t state[8];
63 uint64_t bitcount;
64 uint8_t buffer[SHA256_BLOCK_LENGTH];
65} SHA256_CTX;
66
67typedef struct _SHA512_CTX {
68 uint64_t state[8];
69 uint64_t bitcount[2];
70 uint8_t buffer[SHA512_BLOCK_LENGTH];
71} SHA512_CTX;
72
73typedef SHA256_CTX SHA224_CTX;
74typedef SHA512_CTX SHA384_CTX;
75
76
77/*** SHA-256/384/512 Function Prototypes ******************************/
78__BEGIN_DECLS
79int SHA224_Init(SHA224_CTX *);
80int SHA224_Update(SHA224_CTX*, const uint8_t*, size_t);
81int SHA224_Final(uint8_t[SHA224_DIGEST_LENGTH], SHA224_CTX*);
82#ifndef _KERNEL
83char *SHA224_End(SHA224_CTX *, char[SHA224_DIGEST_STRING_LENGTH]);
84char *SHA224_FileChunk(const char *, char *, off_t, off_t);
85char *SHA224_File(const char *, char *);
86char *SHA224_Data(const uint8_t *, size_t, char[SHA224_DIGEST_STRING_LENGTH]);
87#endif /* !_KERNEL */
88
89int SHA256_Init(SHA256_CTX *);
90int SHA256_Update(SHA256_CTX*, const uint8_t*, size_t);
91int SHA256_Final(uint8_t[SHA256_DIGEST_LENGTH], SHA256_CTX*);
92#ifndef _KERNEL
93char *SHA256_End(SHA256_CTX *, char[SHA256_DIGEST_STRING_LENGTH]);
94char *SHA256_FileChunk(const char *, char *, off_t, off_t);
95char *SHA256_File(const char *, char *);
96char *SHA256_Data(const uint8_t *, size_t, char[SHA256_DIGEST_STRING_LENGTH]);
97#endif /* !_KERNEL */
98
99int SHA384_Init(SHA384_CTX*);
100int SHA384_Update(SHA384_CTX*, const uint8_t*, size_t);
101int SHA384_Final(uint8_t[SHA384_DIGEST_LENGTH], SHA384_CTX*);
102#ifndef _KERNEL
103char *SHA384_End(SHA384_CTX *, char[SHA384_DIGEST_STRING_LENGTH]);
104char *SHA384_FileChunk(const char *, char *, off_t, off_t);
105char *SHA384_File(const char *, char *);
106char *SHA384_Data(const uint8_t *, size_t, char[SHA384_DIGEST_STRING_LENGTH]);
107#endif /* !_KERNEL */
108
109int SHA512_Init(SHA512_CTX*);
110int SHA512_Update(SHA512_CTX*, const uint8_t*, size_t);
111int SHA512_Final(uint8_t[SHA512_DIGEST_LENGTH], SHA512_CTX*);
112#ifndef _KERNEL
113char *SHA512_End(SHA512_CTX *, char[SHA512_DIGEST_STRING_LENGTH]);
114char *SHA512_FileChunk(const char *, char *, off_t, off_t);
115char *SHA512_File(const char *, char *);
116char *SHA512_Data(const uint8_t *, size_t, char[SHA512_DIGEST_STRING_LENGTH]);
117#endif /* !_KERNEL */
118__END_DECLS
119
120#endif /* __SHA2_H__ */
121