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 <openssl/e_os2.h>
63 #include <stddef.h>
64
65 #ifdef __cplusplus
66 extern "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
96 * wide big-endian values. */
97 #define SHA_LAST_BLOCK (SHA_CBLOCK-8)
98 #define SHA_DIGEST_LENGTH 20
99
100 typedef struct SHAstate_st
101 {
102 SHA_LONG h0,h1,h2,h3,h4;
103 SHA_LONG Nl,Nh;
104 SHA_LONG data[SHA_LBLOCK];
105 unsigned int num;
106 } SHA_CTX;
107
108 #ifndef OPENSSL_NO_SHA0
109 #ifdef OPENSSL_FIPS
110 int private_SHA_Init(SHA_CTX *c);
111 #endif
112 int SHA_Init(SHA_CTX *c);
113 int SHA_Update(SHA_CTX *c, const void *data, size_t len);
114 int SHA_Final(unsigned char *md, SHA_CTX *c);
115 unsigned char *SHA(const unsigned char *d, size_t n, unsigned char *md);
116 void SHA_Transform(SHA_CTX *c, const unsigned char *data);
117 #endif
118 #ifndef OPENSSL_NO_SHA1
119 #ifdef OPENSSL_FIPS
120 int private_SHA1_Init(SHA_CTX *c);
121 #endif
122 int SHA1_Init(SHA_CTX *c);
123 int SHA1_Update(SHA_CTX *c, const void *data, size_t len);
124 int SHA1_Final(unsigned char *md, SHA_CTX *c);
125 unsigned char *SHA1(const unsigned char *d, size_t n, unsigned char *md);
126 void SHA1_Transform(SHA_CTX *c, const unsigned char *data);
127 #endif
128
129 #define SHA256_CBLOCK (SHA_LBLOCK*4) /* SHA-256 treats input data as a
130 * contiguous array of 32 bit
131 * wide big-endian values. */
132 #define SHA224_DIGEST_LENGTH 28
133 #define SHA256_DIGEST_LENGTH 32
134
135 typedef struct SHA256state_st
136 {
137 SHA_LONG h[8];
138 SHA_LONG Nl,Nh;
139 SHA_LONG data[SHA_LBLOCK];
140 unsigned int num,md_len;
141 } SHA256_CTX;
142
143 #ifndef OPENSSL_NO_SHA256
144 #ifdef OPENSSL_FIPS
145 int private_SHA224_Init(SHA256_CTX *c);
146 int private_SHA256_Init(SHA256_CTX *c);
147 #endif
148 int SHA224_Init(SHA256_CTX *c);
149 int SHA224_Update(SHA256_CTX *c, const void *data, size_t len);
150 int SHA224_Final(unsigned char *md, SHA256_CTX *c);
151 unsigned char *SHA224(const unsigned char *d, size_t n,unsigned char *md);
152 int SHA256_Init(SHA256_CTX *c);
153 int SHA256_Update(SHA256_CTX *c, const void *data, size_t len);
154 int SHA256_Final(unsigned char *md, SHA256_CTX *c);
155 unsigned char *SHA256(const unsigned char *d, size_t n,unsigned char *md);
156 void SHA256_Transform(SHA256_CTX *c, const unsigned char *data);
157 #endif
158
159 #define SHA384_DIGEST_LENGTH 48
160 #define SHA512_DIGEST_LENGTH 64
161
162 #ifndef OPENSSL_NO_SHA512
163 /*
164 * Unlike 32-bit digest algorithms, SHA-512 *relies* on SHA_LONG64
165 * being exactly 64-bit wide. See Implementation Notes in sha512.c
166 * for further details.
167 */
168 #define SHA512_CBLOCK (SHA_LBLOCK*8) /* SHA-512 treats input data as a
169 * contiguous array of 64 bit
170 * wide big-endian values. */
171 #if (defined(_WIN32) || defined(_WIN64)) && !defined(__MINGW32__)
172 #define SHA_LONG64 unsigned __int64
173 #define U64(C) C##UI64
174 #elif defined(__arch64__)
175 #define SHA_LONG64 unsigned long
176 #define U64(C) C##UL
177 #else
178 #define SHA_LONG64 unsigned long long
179 #define U64(C) C##ULL
180 #endif
181
182 typedef struct SHA512state_st
183 {
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
196 int private_SHA384_Init(SHA512_CTX *c);
197 int private_SHA512_Init(SHA512_CTX *c);
198 #endif
199 int SHA384_Init(SHA512_CTX *c);
200 int SHA384_Update(SHA512_CTX *c, const void *data, size_t len);
201 int SHA384_Final(unsigned char *md, SHA512_CTX *c);
202 unsigned char *SHA384(const unsigned char *d, size_t n,unsigned char *md);
203 int SHA512_Init(SHA512_CTX *c);
204 int SHA512_Update(SHA512_CTX *c, const void *data, size_t len);
205 int SHA512_Final(unsigned char *md, SHA512_CTX *c);
206 unsigned char *SHA512(const unsigned char *d, size_t n,unsigned char *md);
207 void SHA512_Transform(SHA512_CTX *c, const unsigned char *data);
208 #endif
209
210 #ifdef __cplusplus
211 }
212 #endif
213
214 #endif