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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
47 /*
48 * SHA-1
49 */
50
51 #define SHA_DIGEST_LENGTH 20
52
53 struct sha {
54 unsigned int sz[2];
55 uint32_t counter[5];
56 unsigned char save[64];
57 };
58
59 typedef struct sha SHA_CTX;
60
61 void SHA1_Init (struct sha *m);
62 void SHA1_Update (struct sha *m, const void *v, size_t len);
63 void SHA1_Final (void *res, struct sha *m);
64
65 /*
66 * SHA-2 256
67 */
68
69 #define SHA256_DIGEST_LENGTH 32
70
71 struct hc_sha256state {
72 unsigned int sz[2];
73 uint32_t counter[8];
74 unsigned char save[64];
75 };
76
77 typedef struct hc_sha256state SHA256_CTX;
78
79 void SHA256_Init (SHA256_CTX *);
80 void SHA256_Update (SHA256_CTX *, const void *, size_t);
81 void SHA256_Final (void *, SHA256_CTX *);
82
83 #endif /* HEIM_SHA_H */