FreeBSD/Linux Kernel Cross Reference
sys/crypto/sha1.h
1 /* $FreeBSD$ */
2 /* $KAME: sha1.h,v 1.5 2000/03/27 04:36:23 sumikawa Exp $ */
3
4 /*-
5 * SPDX-License-Identifier: BSD-3-Clause
6 *
7 * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
8 * All rights reserved.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 * 3. Neither the name of the project nor the names of its contributors
19 * may be used to endorse or promote products derived from this software
20 * without specific prior written permission.
21 *
22 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25 * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 * SUCH DAMAGE.
33 */
34 /*
35 * FIPS pub 180-1: Secure Hash Algorithm (SHA-1)
36 * based on: http://csrc.nist.gov/fips/fip180-1.txt
37 * implemented by Jun-ichiro itojun Itoh <itojun@itojun.org>
38 */
39
40 #ifndef _CRYPTO_SHA1_H_
41 #define _CRYPTO_SHA1_H_
42
43 struct sha1_ctxt {
44 union {
45 uint8_t b8[20];
46 uint32_t b32[5];
47 } h;
48 union {
49 uint8_t b8[8];
50 uint64_t b64[1];
51 } c;
52 union {
53 uint8_t b8[64];
54 uint32_t b32[16];
55 } m;
56 uint8_t count;
57 };
58 typedef struct sha1_ctxt SHA1_CTX;
59
60 #define SHA1_RESULTLEN (160/8)
61
62 #ifdef _KERNEL
63 extern void sha1_init(struct sha1_ctxt *);
64 extern void sha1_pad(struct sha1_ctxt *);
65 extern void sha1_loop(struct sha1_ctxt *, const uint8_t *, size_t);
66 extern void sha1_result(struct sha1_ctxt *, char[__min_size(SHA1_RESULTLEN)]);
67
68 /* compatibilty with other SHA1 source codes */
69 #define SHA1Init(x) sha1_init((x))
70 #define SHA1Update(x, y, z) sha1_loop((x), (y), (z))
71 #define SHA1Final(x, y) sha1_result((y), (x))
72 #endif /* _KERNEL */
73
74 #endif /*_CRYPTO_SHA1_H_*/
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