1/*
2 * Copyright (c) 1995 - 2001 Kungliga Tekniska Högskolan
3 * (Royal Institute of Technology, Stockholm, Sweden).
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 *
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 *
13 * 2. Redistributions in binary form must reproduce the above copyright
14 *    notice, this list of conditions and the following disclaimer in the
15 *    documentation and/or other materials provided with the distribution.
16 *
17 * 3. Neither the name of the Institute nor the names of its contributors
18 *    may be used to endorse or promote products derived from this software
19 *    without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 */
33
34/* $Id$ */
35
36#ifndef HEIM_SHA_H
37#define HEIM_SHA_H 1
38
39/* symbol renaming */
40#define SHA1_Init hc_SHA1_Init
41#define SHA1_Update hc_SHA1_Update
42#define SHA1_Final hc_SHA1_Final
43#define SHA256_Init hc_SHA256_Init
44#define SHA256_Update hc_SHA256_Update
45#define SHA256_Final hc_SHA256_Final
46#define SHA384_Init hc_SHA384_Init
47#define SHA384_Update hc_SHA384_Update
48#define SHA384_Final hc_SHA384_Final
49#define SHA512_Init hc_SHA512_Init
50#define SHA512_Update hc_SHA512_Update
51#define SHA512_Final hc_SHA512_Final
52
53/*
54 * SHA-1
55 */
56
57#define SHA_DIGEST_LENGTH 20
58
59struct sha {
60  unsigned int sz[2];
61  uint32_t counter[5];
62  unsigned char save[64];
63};
64
65typedef struct sha SHA_CTX;
66
67void SHA1_Init (struct sha *m);
68void SHA1_Update (struct sha *m, const void *v, size_t len);
69void SHA1_Final (void *res, struct sha *m);
70
71/*
72 * SHA-2 256
73 */
74
75#define SHA256_DIGEST_LENGTH 32
76
77struct hc_sha256state {
78  unsigned int sz[2];
79  uint32_t counter[8];
80  unsigned char save[64];
81};
82
83typedef struct hc_sha256state SHA256_CTX;
84
85void SHA256_Init (SHA256_CTX *);
86void SHA256_Update (SHA256_CTX *, const void *, size_t);
87void SHA256_Final (void *, SHA256_CTX *);
88
89/*
90 * SHA-2 512
91 */
92
93#define SHA512_DIGEST_LENGTH 64
94
95struct hc_sha512state {
96  uint64_t sz[2];
97  uint64_t counter[8];
98  unsigned char save[128];
99};
100
101typedef struct hc_sha512state SHA512_CTX;
102
103void SHA512_Init (SHA512_CTX *);
104void SHA512_Update (SHA512_CTX *, const void *, size_t);
105void SHA512_Final (void *, SHA512_CTX *);
106
107#define SHA384_DIGEST_LENGTH 48
108
109typedef struct hc_sha512state SHA384_CTX;
110
111void SHA384_Init (SHA384_CTX *);
112void SHA384_Update (SHA384_CTX *, const void *, size_t);
113void SHA384_Final (void *, SHA384_CTX *);
114
115#endif /* HEIM_SHA_H */
116