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authorcvs2svn <admin@example.com>2015-08-02 21:54:22 +0000
committercvs2svn <admin@example.com>2015-08-02 21:54:22 +0000
commited3760bf4be4a96a89233fb8f8b84a0d44725862 (patch)
tree5609c82060f75c53af0a7641d9b33a88574876cd /src/lib/libcrypto/sha/sha.h
parentf8b563fb5ba1524c821d37308f4e6abfc866bc3f (diff)
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1/* $OpenBSD: sha.h,v 1.20 2014/10/20 13:06:54 bcook Exp $ */
2/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
3 * All rights reserved.
4 *
5 * This package is an SSL implementation written
6 * by Eric Young (eay@cryptsoft.com).
7 * The implementation was written so as to conform with Netscapes SSL.
8 *
9 * This library is free for commercial and non-commercial use as long as
10 * the following conditions are aheared to. The following conditions
11 * apply to all code found in this distribution, be it the RC4, RSA,
12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
13 * included with this distribution is covered by the same copyright terms
14 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
15 *
16 * Copyright remains Eric Young's, and as such any Copyright notices in
17 * the code are not to be removed.
18 * If this package is used in a product, Eric Young should be given attribution
19 * as the author of the parts of the library used.
20 * This can be in the form of a textual message at program startup or
21 * in documentation (online or textual) provided with the package.
22 *
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
25 * are met:
26 * 1. Redistributions of source code must retain the copyright
27 * notice, this list of conditions and the following disclaimer.
28 * 2. Redistributions in binary form must reproduce the above copyright
29 * notice, this list of conditions and the following disclaimer in the
30 * documentation and/or other materials provided with the distribution.
31 * 3. All advertising materials mentioning features or use of this software
32 * must display the following acknowledgement:
33 * "This product includes cryptographic software written by
34 * Eric Young (eay@cryptsoft.com)"
35 * The word 'cryptographic' can be left out if the rouines from the library
36 * being used are not cryptographic related :-).
37 * 4. If you include any Windows specific code (or a derivative thereof) from
38 * the apps directory (application code) you must include an acknowledgement:
39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
40 *
41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
51 * SUCH DAMAGE.
52 *
53 * The licence and distribution terms for any publically available version or
54 * derivative of this code cannot be changed. i.e. this code cannot simply be
55 * copied and put under another distribution licence
56 * [including the GNU Public Licence.]
57 */
58
59#include <stddef.h>
60
61#ifndef HEADER_SHA_H
62#define HEADER_SHA_H
63#if !defined(HAVE_ATTRIBUTE__BOUNDED__) && !defined(__OpenBSD__)
64#define __bounded__(x, y, z)
65#endif
66
67#include <openssl/opensslconf.h>
68
69#ifdef __cplusplus
70extern "C" {
71#endif
72
73#if defined(OPENSSL_NO_SHA) || (defined(OPENSSL_NO_SHA0) && defined(OPENSSL_NO_SHA1))
74#error SHA is disabled.
75#endif
76
77/*
78 * !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
79 * ! SHA_LONG has to be at least 32 bits wide. !
80 * !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
81 */
82
83#define SHA_LONG unsigned int
84
85#define SHA_LBLOCK 16
86#define SHA_CBLOCK (SHA_LBLOCK*4) /* SHA treats input data as a
87 * contiguous array of 32 bit
88 * wide big-endian values. */
89#define SHA_LAST_BLOCK (SHA_CBLOCK-8)
90#define SHA_DIGEST_LENGTH 20
91
92typedef struct SHAstate_st
93 {
94 SHA_LONG h0,h1,h2,h3,h4;
95 SHA_LONG Nl,Nh;
96 SHA_LONG data[SHA_LBLOCK];
97 unsigned int num;
98 } SHA_CTX;
99
100#ifndef OPENSSL_NO_SHA0
101int SHA_Init(SHA_CTX *c);
102int SHA_Update(SHA_CTX *c, const void *data, size_t len)
103 __attribute__ ((__bounded__(__buffer__,2,3)));
104int SHA_Final(unsigned char *md, SHA_CTX *c);
105unsigned char *SHA(const unsigned char *d, size_t n, unsigned char *md)
106 __attribute__ ((__bounded__(__buffer__,1,2)));
107void SHA_Transform(SHA_CTX *c, const unsigned char *data);
108#endif
109#ifndef OPENSSL_NO_SHA1
110int SHA1_Init(SHA_CTX *c);
111int SHA1_Update(SHA_CTX *c, const void *data, size_t len)
112 __attribute__ ((__bounded__(__buffer__,2,3)));
113int SHA1_Final(unsigned char *md, SHA_CTX *c);
114unsigned char *SHA1(const unsigned char *d, size_t n, unsigned char *md)
115 __attribute__ ((__bounded__(__buffer__,1,2)));
116void SHA1_Transform(SHA_CTX *c, const unsigned char *data);
117#endif
118
119#define SHA256_CBLOCK (SHA_LBLOCK*4) /* SHA-256 treats input data as a
120 * contiguous array of 32 bit
121 * wide big-endian values. */
122#define SHA224_DIGEST_LENGTH 28
123#define SHA256_DIGEST_LENGTH 32
124
125typedef struct SHA256state_st
126 {
127 SHA_LONG h[8];
128 SHA_LONG Nl,Nh;
129 SHA_LONG data[SHA_LBLOCK];
130 unsigned int num,md_len;
131 } SHA256_CTX;
132
133#ifndef OPENSSL_NO_SHA256
134int SHA224_Init(SHA256_CTX *c);
135int SHA224_Update(SHA256_CTX *c, const void *data, size_t len)
136 __attribute__ ((__bounded__(__buffer__,2,3)));
137int SHA224_Final(unsigned char *md, SHA256_CTX *c);
138unsigned char *SHA224(const unsigned char *d, size_t n,unsigned char *md)
139 __attribute__ ((__bounded__(__buffer__,1,2)));
140int SHA256_Init(SHA256_CTX *c);
141int SHA256_Update(SHA256_CTX *c, const void *data, size_t len)
142 __attribute__ ((__bounded__(__buffer__,2,3)));
143int SHA256_Final(unsigned char *md, SHA256_CTX *c);
144unsigned char *SHA256(const unsigned char *d, size_t n,unsigned char *md)
145 __attribute__ ((__bounded__(__buffer__,1,2)));
146void SHA256_Transform(SHA256_CTX *c, const unsigned char *data);
147#endif
148
149#define SHA384_DIGEST_LENGTH 48
150#define SHA512_DIGEST_LENGTH 64
151
152#ifndef OPENSSL_NO_SHA512
153/*
154 * Unlike 32-bit digest algorithms, SHA-512 *relies* on SHA_LONG64
155 * being exactly 64-bit wide. See Implementation Notes in sha512.c
156 * for further details.
157 */
158#define SHA512_CBLOCK (SHA_LBLOCK*8) /* SHA-512 treats input data as a
159 * contiguous array of 64 bit
160 * wide big-endian values. */
161#if defined(_LP64)
162#define SHA_LONG64 unsigned long
163#define U64(C) C##UL
164#else
165#define SHA_LONG64 unsigned long long
166#define U64(C) C##ULL
167#endif
168
169typedef struct SHA512state_st
170 {
171 SHA_LONG64 h[8];
172 SHA_LONG64 Nl,Nh;
173 union {
174 SHA_LONG64 d[SHA_LBLOCK];
175 unsigned char p[SHA512_CBLOCK];
176 } u;
177 unsigned int num,md_len;
178 } SHA512_CTX;
179#endif
180
181#ifndef OPENSSL_NO_SHA512
182int SHA384_Init(SHA512_CTX *c);
183int SHA384_Update(SHA512_CTX *c, const void *data, size_t len)
184 __attribute__ ((__bounded__(__buffer__,2,3)));
185int SHA384_Final(unsigned char *md, SHA512_CTX *c);
186unsigned char *SHA384(const unsigned char *d, size_t n,unsigned char *md)
187 __attribute__ ((__bounded__(__buffer__,1,2)));
188int SHA512_Init(SHA512_CTX *c);
189int SHA512_Update(SHA512_CTX *c, const void *data, size_t len)
190 __attribute__ ((__bounded__(__buffer__,2,3)));
191int SHA512_Final(unsigned char *md, SHA512_CTX *c);
192unsigned char *SHA512(const unsigned char *d, size_t n,unsigned char *md)
193 __attribute__ ((__bounded__(__buffer__,1,2)));
194void SHA512_Transform(SHA512_CTX *c, const unsigned char *data);
195#endif
196
197#ifdef __cplusplus
198}
199#endif
200
201#endif