Book a Demo!
CoCalc Logo Icon
StoreFeaturesDocsShareSupportNewsAboutPoliciesSign UpSign In
freebsd
GitHub Repository: freebsd/freebsd-src
 Path: blob/main/sys/crypto/sha1.h
39478 views
1
/*	$KAME: sha1.h,v 1.5 2000/03/27 04:36:23 sumikawa Exp $	*/

2


3
/*-

4
 * SPDX-License-Identifier: BSD-3-Clause

5
 *

6
 * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.

7
 * All rights reserved.

8
 *

9
 * Redistribution and use in source and binary forms, with or without

10
 * modification, are permitted provided that the following conditions

11
 * are met:

12
 * 1. Redistributions of source code must retain the above copyright

13
 *    notice, this list of conditions and the following disclaimer.

14
 * 2. Redistributions in binary form must reproduce the above copyright

15
 *    notice, this list of conditions and the following disclaimer in the

16
 *    documentation and/or other materials provided with the distribution.

17
 * 3. Neither the name of the project 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 PROJECT 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 PROJECT 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
 * FIPS pub 180-1: Secure Hash Algorithm (SHA-1)

35
 * based on: http://csrc.nist.gov/fips/fip180-1.txt

36
 * implemented by Jun-ichiro itojun Itoh <[email protected]>

37
 */

38


39
#ifndef _CRYPTO_SHA1_H_

40
#define _CRYPTO_SHA1_H_

41


42
struct sha1_ctxt {

43
	union {

44
		uint8_t		b8[20];

45
		uint32_t	b32[5];

46
	} h;

47
	union {

48
		uint8_t		b8[8];

49
		uint64_t	b64[1];

50
	} c;

51
	union {

52
		uint8_t		b8[64];

53
		uint32_t	b32[16];

54
	} m;

55
	uint8_t	count;

56
};

57
typedef struct sha1_ctxt SHA1_CTX;

58


59
#define	SHA1_RESULTLEN	(160/8)

60


61
#ifdef _KERNEL

62
extern void sha1_init(struct sha1_ctxt *);

63
extern void sha1_pad(struct sha1_ctxt *);

64
extern void sha1_loop(struct sha1_ctxt *, const uint8_t *, size_t);

65
extern void sha1_result(struct sha1_ctxt *, char[__min_size(SHA1_RESULTLEN)]);

66


67
/* compatibilty with other SHA1 source codes */

68
#define SHA1Init(x)		sha1_init((x))

69
#define SHA1Update(x, y, z)	sha1_loop((x), (y), (z))

70
#define SHA1Final(x, y)		sha1_result((y), (x))

71
#endif /* _KERNEL */

72


73
#endif /*_CRYPTO_SHA1_H_*/

74


75