FreeBSD/Linux Kernel Cross Reference
sys/dev/cgd_crypto.h
1 /* $NetBSD: cgd_crypto.h,v 1.13 2020/06/29 23:36:06 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 #define CGD_AES_BLOCK_SIZE 16
39 #define CGD_3DES_BLOCK_SIZE 8
40 #define CGD_BF_BLOCK_SIZE 8
41
42 #define CGD_BLOCKALIGN 16
43
44 typedef void *(cfunc_init)(size_t, const void *, size_t *);
45 typedef void (cfunc_destroy)(void *);
46 typedef void (cfunc_cipher)(void *, void *, const void *, size_t,
47 const void *, int);
48
49 struct cryptfuncs {
50 const char *cf_name; /* cipher name */
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 const struct cryptfuncs *cryptfuncs_find(const char *);
57 #endif /* _KERNEL */
58
59 #endif /* _DEV_CGD_CRYPTO_H_ */
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