xref: /xnu-8792.61.2/iokit/DriverKit/crypto/sha1.h (revision 42e220869062b56f8d7d0726fd4c88954f87902c)
1*42e22086SApple OSS Distributions /*
2*42e22086SApple OSS Distributions  * Copyright (c) 2000-2006 Apple Computer, Inc. All rights reserved.
3*42e22086SApple OSS Distributions  *
4*42e22086SApple OSS Distributions  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
5*42e22086SApple OSS Distributions  *
6*42e22086SApple OSS Distributions  * This file contains Original Code and/or Modifications of Original Code
7*42e22086SApple OSS Distributions  * as defined in and that are subject to the Apple Public Source License
8*42e22086SApple OSS Distributions  * Version 2.0 (the 'License'). You may not use this file except in
9*42e22086SApple OSS Distributions  * compliance with the License. The rights granted to you under the License
10*42e22086SApple OSS Distributions  * may not be used to create, or enable the creation or redistribution of,
11*42e22086SApple OSS Distributions  * unlawful or unlicensed copies of an Apple operating system, or to
12*42e22086SApple OSS Distributions  * circumvent, violate, or enable the circumvention or violation of, any
13*42e22086SApple OSS Distributions  * terms of an Apple operating system software license agreement.
14*42e22086SApple OSS Distributions  *
15*42e22086SApple OSS Distributions  * Please obtain a copy of the License at
16*42e22086SApple OSS Distributions  * http://www.opensource.apple.com/apsl/ and read it before using this file.
17*42e22086SApple OSS Distributions  *
18*42e22086SApple OSS Distributions  * The Original Code and all software distributed under the License are
19*42e22086SApple OSS Distributions  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
20*42e22086SApple OSS Distributions  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21*42e22086SApple OSS Distributions  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
22*42e22086SApple OSS Distributions  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
23*42e22086SApple OSS Distributions  * Please see the License for the specific language governing rights and
24*42e22086SApple OSS Distributions  * limitations under the License.
25*42e22086SApple OSS Distributions  *
26*42e22086SApple OSS Distributions  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
27*42e22086SApple OSS Distributions  */
28*42e22086SApple OSS Distributions 
29*42e22086SApple OSS Distributions #ifndef _CRYPTO_SHA1_H_
30*42e22086SApple OSS Distributions #define _CRYPTO_SHA1_H_
31*42e22086SApple OSS Distributions 
32*42e22086SApple OSS Distributions #if KERNEL
33*42e22086SApple OSS Distributions #include <sys/types.h>
34*42e22086SApple OSS Distributions #else /* !KERNEL */
35*42e22086SApple OSS Distributions #include <machine/types.h>
36*42e22086SApple OSS Distributions #endif /* KERNEL */
37*42e22086SApple OSS Distributions 
38*42e22086SApple OSS Distributions #ifdef  __cplusplus
39*42e22086SApple OSS Distributions extern "C" {
40*42e22086SApple OSS Distributions #endif
41*42e22086SApple OSS Distributions 
42*42e22086SApple OSS Distributions #define SHA_DIGEST_LENGTH       20
43*42e22086SApple OSS Distributions #define SHA1_RESULTLEN          SHA_DIGEST_LENGTH
44*42e22086SApple OSS Distributions 
45*42e22086SApple OSS Distributions typedef struct sha1_ctxt {
46*42e22086SApple OSS Distributions 	union {
47*42e22086SApple OSS Distributions 		u_int8_t        b8[20];
48*42e22086SApple OSS Distributions 		u_int32_t       b32[5]; /* state (ABCDE) */
49*42e22086SApple OSS Distributions 	} h;
50*42e22086SApple OSS Distributions 	union {
51*42e22086SApple OSS Distributions 		u_int8_t        b8[8];
52*42e22086SApple OSS Distributions 		u_int32_t       b32[2];
53*42e22086SApple OSS Distributions 		u_int64_t       b64[1]; /* # of bits, modulo 2^64 (msb first) */
54*42e22086SApple OSS Distributions 	} c;
55*42e22086SApple OSS Distributions 	union {
56*42e22086SApple OSS Distributions 		u_int8_t        b8[64];
57*42e22086SApple OSS Distributions 		u_int32_t       b32[16]; /* input buffer */
58*42e22086SApple OSS Distributions 	} m;
59*42e22086SApple OSS Distributions 	u_int8_t        count;          /* unused; for compatibility only */
60*42e22086SApple OSS Distributions } SHA1_CTX;
61*42e22086SApple OSS Distributions 
62*42e22086SApple OSS Distributions /* For compatibility with the other SHA-1 implementation. */
63*42e22086SApple OSS Distributions #define sha1_init(c)            SHA1Init(c)
64*42e22086SApple OSS Distributions #define sha1_loop(c, b, l)      SHA1Update(c, b, l)
65*42e22086SApple OSS Distributions #define sha1_result(c, b)       SHA1Final(b, c)
66*42e22086SApple OSS Distributions 
67*42e22086SApple OSS Distributions extern void SHA1Init(SHA1_CTX *);
68*42e22086SApple OSS Distributions extern void SHA1Update(SHA1_CTX *, const void *, size_t);
69*42e22086SApple OSS Distributions extern void SHA1Final(void *, SHA1_CTX *);
70*42e22086SApple OSS Distributions 
71*42e22086SApple OSS Distributions #ifdef  __cplusplus
72*42e22086SApple OSS Distributions }
73*42e22086SApple OSS Distributions #endif
74*42e22086SApple OSS Distributions 
75*42e22086SApple OSS Distributions #endif /*_CRYPTO_SHA1_H_*/
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