1/*	$NetBSD: sha3.h,v 1.1 2017/11/30 05:47:24 riastradh Exp $	*/
 2
 3/*-
 4 * Copyright (c) 2015 Taylor R. Campbell
 5 * All rights reserved.
 6 *
 7 * Redistribution and use in source and binary forms, with or without
 8 * modification, are permitted provided that the following conditions
 9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28
29#ifndef	_SHA3_H
30#define	_SHA3_H
31
32#include <sys/types.h>
33#include <sys/cdefs.h>
34
35struct sha3 {
36	uint64_t A[25];
37	unsigned nb;		/* number of bytes remaining to fill buffer */
38};
39
40typedef struct { struct sha3 C224; } SHA3_224_CTX;
41typedef struct { struct sha3 C256; } SHA3_256_CTX;
42typedef struct { struct sha3 C384; } SHA3_384_CTX;
43typedef struct { struct sha3 C512; } SHA3_512_CTX;
44typedef struct { struct sha3 C128; } SHAKE128_CTX;
45typedef struct { struct sha3 C256; } SHAKE256_CTX;
46
47#define	SHA3_224_DIGEST_LENGTH	28
48#define	SHA3_256_DIGEST_LENGTH	32
49#define	SHA3_384_DIGEST_LENGTH	48
50#define	SHA3_512_DIGEST_LENGTH	64
51
52__BEGIN_DECLS
53void	SHA3_224_Init(SHA3_224_CTX *);
54void	SHA3_224_Update(SHA3_224_CTX *, const uint8_t *, size_t);
55void	SHA3_224_Final(uint8_t[SHA3_224_DIGEST_LENGTH], SHA3_224_CTX *);
56
57void	SHA3_256_Init(SHA3_256_CTX *);
58void	SHA3_256_Update(SHA3_256_CTX *, const uint8_t *, size_t);
59void	SHA3_256_Final(uint8_t[SHA3_256_DIGEST_LENGTH], SHA3_256_CTX *);
60
61void	SHA3_384_Init(SHA3_384_CTX *);
62void	SHA3_384_Update(SHA3_384_CTX *, const uint8_t *, size_t);
63void	SHA3_384_Final(uint8_t[SHA3_384_DIGEST_LENGTH], SHA3_384_CTX *);
64
65void	SHA3_512_Init(SHA3_512_CTX *);
66void	SHA3_512_Update(SHA3_512_CTX *, const uint8_t *, size_t);
67void	SHA3_512_Final(uint8_t[SHA3_512_DIGEST_LENGTH], SHA3_512_CTX *);
68
69void	SHAKE128_Init(SHAKE128_CTX *);
70void	SHAKE128_Update(SHAKE128_CTX *, const uint8_t *, size_t);
71void	SHAKE128_Final(uint8_t *, size_t, SHAKE128_CTX *);
72
73void	SHAKE256_Init(SHAKE256_CTX *);
74void	SHAKE256_Update(SHAKE256_CTX *, const uint8_t *, size_t);
75void	SHAKE256_Final(uint8_t *, size_t, SHAKE256_CTX *);
76
77int	SHA3_Selftest(void);
78__END_DECLS
79
80#endif	/* _SHA3_H */