FreeBSD/Linux Kernel Cross Reference
sys/dev/cgd_crypto.h
1 /* $NetBSD: cgd_crypto.h,v 1.4 2006/12/01 15:52:55 christos 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 * 3. All advertising materials mentioning features or use of this software
19 * must display the following acknowledgement:
20 * This product includes software developed by the NetBSD
21 * Foundation, Inc. and its contributors.
22 * 4. Neither the name of The NetBSD Foundation nor the names of its
23 * contributors may be used to endorse or promote products derived
24 * from this software without specific prior written permission.
25 *
26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36 * POSSIBILITY OF SUCH DAMAGE.
37 */
38
39 #ifndef _DEV_CGD_CRYPTO_H_
40 #define _DEV_CGD_CRYPTO_H_
41
42 #ifdef _KERNEL
43 #define CGD_CIPHER_DECRYPT 1
44 #define CGD_CIPHER_ENCRYPT 2
45
46 typedef void *(cfunc_init)(size_t, void *, size_t *);
47 typedef void (cfunc_destroy)(void *);
48 typedef void (cfunc_cipher)(void *, struct uio *, struct uio *, void *, int);
49
50 struct cryptfuncs {
51 cfunc_init *cf_init; /* Initialisation function */
52 cfunc_destroy *cf_destroy; /* destruction function */
53 cfunc_cipher *cf_cipher; /* the cipher itself */
54 };
55
56 struct cryptfuncs *cryptfuncs_find(const char *);
57 #endif /* _KERNEL */
58
59 #endif /* _DEV_CGD_CRYPTO_H_ */
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