1/*
2 * Copyright (c) 2000-2006 Apple Computer, Inc. All rights reserved.
3 *
4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
5 *
6 * This file contains Original Code and/or Modifications of Original Code
7 * as defined in and that are subject to the Apple Public Source License
8 * Version 2.0 (the 'License'). You may not use this file except in
9 * compliance with the License. The rights granted to you under the License
10 * may not be used to create, or enable the creation or redistribution of,
11 * unlawful or unlicensed copies of an Apple operating system, or to
12 * circumvent, violate, or enable the circumvention or violation of, any
13 * terms of an Apple operating system software license agreement.
14 *
15 * Please obtain a copy of the License at
16 * http://www.opensource.apple.com/apsl/ and read it before using this file.
17 *
18 * The Original Code and all software distributed under the License are
19 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
22 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
23 * Please see the License for the specific language governing rights and
24 * limitations under the License.
25 *
26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
27 */
28
29#ifndef _CRYPTO_SHA1_H_
30#define _CRYPTO_SHA1_H_
31
32#ifdef __cplusplus
33extern "C" {
34#endif
35
36#define SHA_DIGEST_LENGTH 20
37#define SHA1_RESULTLEN SHA_DIGEST_LENGTH
38
39typedef struct sha1_ctxt {
40 union {
41 u_int8_t b8[20];
42 u_int32_t b32[5]; /* state (ABCDE) */
43 } h;
44 union {
45 u_int8_t b8[8];
46 u_int32_t b32[2];
47 u_int64_t b64[1]; /* # of bits, modulo 2^64 (msb first) */
48 } c;
49 union {
50 u_int8_t b8[64];
51 u_int32_t b32[16]; /* input buffer */
52 } m;
53 u_int8_t count; /* unused; for compatibility only */
54} SHA1_CTX;
55
56/* For compatibility with the other SHA-1 implementation. */
57#define sha1_init(c) SHA1Init(c)
58#define sha1_loop(c, b, l) SHA1Update(c, b, l)
59#define sha1_result(c, b) SHA1Final(b, c)
60
61extern void SHA1Init(SHA1_CTX *);
62extern void SHA1Update(SHA1_CTX *, const void *, size_t);
63#ifdef XNU_KERNEL_PRIVATE
64extern void SHA1UpdateUsePhysicalAddress(SHA1_CTX *, const void *, size_t);
65#endif
66extern void SHA1Final(void *, SHA1_CTX *);
67
68#ifdef __cplusplus
69}
70#endif
71
72#endif /*_CRYPTO_SHA1_H_*/
73