1/* crypto/sha/sha.h */
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#ifndef HEADER_SHA_H
60#define HEADER_SHA_H
61
62#include <stddef.h>
63#include <openssl/e_os2.h>
64#include <stddef.h>
65
66#ifdef __cplusplus
67extern "C" {
68#endif
69
70#if defined(OPENSSL_NO_SHA) || (defined(OPENSSL_NO_SHA0) && defined(OPENSSL_NO_SHA1))
71#error SHA is disabled.
72#endif
73
74#if defined(OPENSSL_FIPS)
75#define FIPS_SHA_SIZE_T size_t
76#endif
77
78/*
79 * !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
80 * ! SHA_LONG has to be at least 32 bits wide. If it's wider, then !
81 * ! SHA_LONG_LOG2 has to be defined along. !
82 * !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
83 */
84
85#if defined(__LP32__)
86#define SHA_LONG unsigned long
87#elif defined(OPENSSL_SYS_CRAY) || defined(__ILP64__)
88#define SHA_LONG unsigned long
89#define SHA_LONG_LOG2 3
90#else
91#define SHA_LONG unsigned int
92#endif
93
94#define SHA_LBLOCK 16
95#define SHA_CBLOCK (SHA_LBLOCK*4) /* SHA treats input data as a
96 * contiguous array of 32 bit
97 * wide big-endian values. */
98#define SHA_LAST_BLOCK (SHA_CBLOCK-8)
99#define SHA_DIGEST_LENGTH 20
100
101typedef struct SHAstate_st
102 {
103 SHA_LONG h0,h1,h2,h3,h4;
104 SHA_LONG Nl,Nh;
105 SHA_LONG data[SHA_LBLOCK];
106 unsigned int num;
107 } SHA_CTX;
108
109#ifndef OPENSSL_NO_SHA0
110#ifdef OPENSSL_FIPS
111int private_SHA_Init(SHA_CTX *c);
112#endif
113int SHA_Init(SHA_CTX *c);
114int SHA_Update(SHA_CTX *c, const void *data, size_t len);
115int SHA_Final(unsigned char *md, SHA_CTX *c);
116unsigned char *SHA(const unsigned char *d, size_t n, unsigned char *md);
117void SHA_Transform(SHA_CTX *c, const unsigned char *data);
118#endif
119#ifndef OPENSSL_NO_SHA1
120#ifdef OPENSSL_FIPS
121int private_SHA1_Init(SHA_CTX *c);
122#endif
123int SHA1_Init(SHA_CTX *c);
124int SHA1_Update(SHA_CTX *c, const void *data, size_t len);
125int SHA1_Final(unsigned char *md, SHA_CTX *c);
126unsigned char *SHA1(const unsigned char *d, size_t n, unsigned char *md);
127void SHA1_Transform(SHA_CTX *c, const unsigned char *data);
128#endif
129
130#define SHA256_CBLOCK (SHA_LBLOCK*4) /* SHA-256 treats input data as a
131 * contiguous array of 32 bit
132 * wide big-endian values. */
133#define SHA224_DIGEST_LENGTH 28
134#define SHA256_DIGEST_LENGTH 32
135
136typedef struct SHA256state_st
137 {
138 SHA_LONG h[8];
139 SHA_LONG Nl,Nh;
140 SHA_LONG data[SHA_LBLOCK];
141 unsigned int num,md_len;
142 } SHA256_CTX;
143
144#ifndef OPENSSL_NO_SHA256
145#ifdef OPENSSL_FIPS
146int private_SHA224_Init(SHA256_CTX *c);
147int private_SHA256_Init(SHA256_CTX *c);
148#endif
149int SHA224_Init(SHA256_CTX *c);
150int SHA224_Update(SHA256_CTX *c, const void *data, size_t len);
151int SHA224_Final(unsigned char *md, SHA256_CTX *c);
152unsigned char *SHA224(const unsigned char *d, size_t n,unsigned char *md);
153int SHA256_Init(SHA256_CTX *c);
154int SHA256_Update(SHA256_CTX *c, const void *data, size_t len);
155int SHA256_Final(unsigned char *md, SHA256_CTX *c);
156unsigned char *SHA256(const unsigned char *d, size_t n,unsigned char *md);
157void SHA256_Transform(SHA256_CTX *c, const unsigned char *data);
158#endif
159
160#define SHA384_DIGEST_LENGTH 48
161#define SHA512_DIGEST_LENGTH 64
162
163#ifndef OPENSSL_NO_SHA512
164/*
165 * Unlike 32-bit digest algorithms, SHA-512 *relies* on SHA_LONG64
166 * being exactly 64-bit wide. See Implementation Notes in sha512.c
167 * for further details.
168 */
169#define SHA512_CBLOCK (SHA_LBLOCK*8) /* SHA-512 treats input data as a
170 * contiguous array of 64 bit
171 * wide big-endian values. */
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 {
185 SHA_LONG64 h[8];
186 SHA_LONG64 Nl,Nh;
187 union {
188 SHA_LONG64 d[SHA_LBLOCK];
189 unsigned char p[SHA512_CBLOCK];
190 } u;
191 unsigned int num,md_len;
192 } SHA512_CTX;
193#endif
194
195#ifndef OPENSSL_NO_SHA512
196#ifdef OPENSSL_FIPS
197int private_SHA384_Init(SHA512_CTX *c);
198int private_SHA512_Init(SHA512_CTX *c);
199#endif
200int SHA384_Init(SHA512_CTX *c);
201int SHA384_Update(SHA512_CTX *c, const void *data, size_t len);
202int SHA384_Final(unsigned char *md, SHA512_CTX *c);
203unsigned char *SHA384(const unsigned char *d, size_t n,unsigned char *md);
204int SHA512_Init(SHA512_CTX *c);
205int SHA512_Update(SHA512_CTX *c, const void *data, size_t len);
206int SHA512_Final(unsigned char *md, SHA512_CTX *c);
207unsigned char *SHA512(const unsigned char *d, size_t n,unsigned char *md);
208void SHA512_Transform(SHA512_CTX *c, const unsigned char *data);
209#endif
210
211#ifdef __cplusplus
212}
213#endif
214
215#endif
216