1/* $NetBSD: cgd_crypto.h,v 1.8 2015/04/25 12:55:04 riastradh Exp $ */
2
3/*-
4 * Copyright (c) 2002 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Roland C. Dowdeswell.
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 *
19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 */
31
32#ifndef _DEV_CGD_CRYPTO_H_
33#define _DEV_CGD_CRYPTO_H_
34
35#ifdef _KERNEL
36#define CGD_CIPHER_DECRYPT 1
37#define CGD_CIPHER_ENCRYPT 2
38
39typedef void *(cfunc_init)(size_t, const void *, size_t *);
40typedef void (cfunc_destroy)(void *);
41typedef void (cfunc_cipher)(void *, struct uio *, struct uio *, const void *,
42 int);
43
44struct cryptfuncs {
45 const char *cf_name; /* cipher name */
46 cfunc_init *cf_init; /* Initialisation function */
47 cfunc_destroy *cf_destroy; /* destruction function */
48 cfunc_cipher *cf_cipher; /* the cipher itself */
49};
50
51const struct cryptfuncs *cryptfuncs_find(const char *);
52#endif /* _KERNEL */
53
54#endif /* _DEV_CGD_CRYPTO_H_ */
55