1/* crypto/sha/sha.h */
2/* Copyright (C) 1995-1998 Eric Young ([email protected])
3 * All rights reserved.
4 *
5 * This package is an SSL implementation written
6 * by Eric Young ([email protected]).
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 ([email protected]).
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 ([email protected])"
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 ([email protected])"
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#ifndef HEADER_SHA_H
60# define HEADER_SHA_H
61
62# include <openssl/e_os2.h>
63# include <stddef.h>
64
65#ifdef __cplusplus
66extern "C" {
67#endif
68
69# if defined(OPENSSL_NO_SHA) || (defined(OPENSSL_NO_SHA0) && defined(OPENSSL_NO_SHA1))
70# error SHA is disabled.
71# endif
72
73# if defined(OPENSSL_FIPS)
74# define FIPS_SHA_SIZE_T size_t
75# endif
76
77/*-
78 * !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
79 * ! SHA_LONG has to be at least 32 bits wide. If it's wider, then !
80 * ! SHA_LONG_LOG2 has to be defined along. !
81 * !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
82 */
83
84# if defined(__LP32__)
85# define SHA_LONG unsigned long
86# elif defined(OPENSSL_SYS_CRAY) || defined(__ILP64__)
87# define SHA_LONG unsigned long
88# define SHA_LONG_LOG2 3
89# else
90# define SHA_LONG unsigned int
91# endif
92
93# define SHA_LBLOCK 16
94# define SHA_CBLOCK (SHA_LBLOCK*4)/* SHA treats input data as a
95 * contiguous array of 32 bit wide
96 * big-endian values. */
97# define SHA_LAST_BLOCK (SHA_CBLOCK-8)
98# define SHA_DIGEST_LENGTH 20
99
100typedef struct SHAstate_st {
101 SHA_LONG h0, h1, h2, h3, h4;
102 SHA_LONG Nl, Nh;
103 SHA_LONG data[SHA_LBLOCK];
104 unsigned int num;
105} SHA_CTX;
106
107# ifndef OPENSSL_NO_SHA0
108# ifdef OPENSSL_FIPS
109int private_SHA_Init(SHA_CTX *c);
110# endif
111int SHA_Init(SHA_CTX *c);
112int SHA_Update(SHA_CTX *c, const void *data, size_t len);
113int SHA_Final(unsigned char *md, SHA_CTX *c);
114unsigned char *SHA(const unsigned char *d, size_t n, unsigned char *md);
115void SHA_Transform(SHA_CTX *c, const unsigned char *data);
116# endif
117# ifndef OPENSSL_NO_SHA1
118# ifdef OPENSSL_FIPS
119int private_SHA1_Init(SHA_CTX *c);
120# endif
121int SHA1_Init(SHA_CTX *c);
122int SHA1_Update(SHA_CTX *c, const void *data, size_t len);
123int SHA1_Final(unsigned char *md, SHA_CTX *c);
124unsigned char *SHA1(const unsigned char *d, size_t n, unsigned char *md);
125void SHA1_Transform(SHA_CTX *c, const unsigned char *data);
126# endif
127
128# define SHA256_CBLOCK (SHA_LBLOCK*4)/* SHA-256 treats input data as a
129 * contiguous array of 32 bit wide
130 * big-endian values. */
131# define SHA224_DIGEST_LENGTH 28
132# define SHA256_DIGEST_LENGTH 32
133
134typedef struct SHA256state_st {
135 SHA_LONG h[8];
136 SHA_LONG Nl, Nh;
137 SHA_LONG data[SHA_LBLOCK];
138 unsigned int num, md_len;
139} SHA256_CTX;
140
141# ifndef OPENSSL_NO_SHA256
142# ifdef OPENSSL_FIPS
143int private_SHA224_Init(SHA256_CTX *c);
144int private_SHA256_Init(SHA256_CTX *c);
145# endif
146int SHA224_Init(SHA256_CTX *c);
147int SHA224_Update(SHA256_CTX *c, const void *data, size_t len);
148int SHA224_Final(unsigned char *md, SHA256_CTX *c);
149unsigned char *SHA224(const unsigned char *d, size_t n, unsigned char *md);
150int SHA256_Init(SHA256_CTX *c);
151int SHA256_Update(SHA256_CTX *c, const void *data, size_t len);
152int SHA256_Final(unsigned char *md, SHA256_CTX *c);
153unsigned char *SHA256(const unsigned char *d, size_t n, unsigned char *md);
154void SHA256_Transform(SHA256_CTX *c, const unsigned char *data);
155# endif
156
157# define SHA384_DIGEST_LENGTH 48
158# define SHA512_DIGEST_LENGTH 64
159
160# ifndef OPENSSL_NO_SHA512
161/*
162 * Unlike 32-bit digest algorithms, SHA-512 *relies* on SHA_LONG64
163 * being exactly 64-bit wide. See Implementation Notes in sha512.c
164 * for further details.
165 */
166/*
167 * SHA-512 treats input data as a
168 * contiguous array of 64 bit
169 * wide big-endian values.
170 */
171# define SHA512_CBLOCK (SHA_LBLOCK*8)
172# if (defined(_WIN32) || defined(_WIN64)) && !defined(__MINGW32__)
173# define SHA_LONG64 unsigned __int64
174# define U64(C) C##UI64
175# elif defined(__arch64__)
176# define SHA_LONG64 unsigned long
177# define U64(C) C##UL
178# else
179# define SHA_LONG64 unsigned long long
180# define U64(C) C##ULL
181# endif
182
183typedef struct SHA512state_st {
184 SHA_LONG64 h[8];
185 SHA_LONG64 Nl, Nh;
186 union {
187 SHA_LONG64 d[SHA_LBLOCK];
188 unsigned char p[SHA512_CBLOCK];
189 } u;
190 unsigned int num, md_len;
191} SHA512_CTX;
192# endif
193
194# ifndef OPENSSL_NO_SHA512
195# ifdef OPENSSL_FIPS
196int private_SHA384_Init(SHA512_CTX *c);
197int private_SHA512_Init(SHA512_CTX *c);
198# endif
199int SHA384_Init(SHA512_CTX *c);
200int SHA384_Update(SHA512_CTX *c, const void *data, size_t len);
201int SHA384_Final(unsigned char *md, SHA512_CTX *c);
202unsigned char *SHA384(const unsigned char *d, size_t n, unsigned char *md);
203int SHA512_Init(SHA512_CTX *c);
204int SHA512_Update(SHA512_CTX *c, const void *data, size_t len);
205int SHA512_Final(unsigned char *md, SHA512_CTX *c);
206unsigned char *SHA512(const unsigned char *d, size_t n, unsigned char *md);
207void SHA512_Transform(SHA512_CTX *c, const unsigned char *data);
208# endif
209
210#ifdef __cplusplus
211}
212#endif
213
214#endif
215