Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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linux
1/*
2 * Crypto user configuration API.
3 *
4 * Copyright (C) 2011 secunet Security Networks AG
5 * Copyright (C) 2011 Steffen Klassert <steffen.klassert@secunet.com>
6 *
7 * This program is free software; you can redistribute it and/or modify it
8 * under the terms and conditions of the GNU General Public License,
9 * version 2, as published by the Free Software Foundation.
10 *
11 * This program is distributed in the hope it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
14 * more details.
15 *
16 * You should have received a copy of the GNU General Public License along with
17 * this program; if not, write to the Free Software Foundation, Inc.,
18 * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
19 */
20
21/* Netlink configuration messages. */
22enum {
23 CRYPTO_MSG_BASE = 0x10,
24 CRYPTO_MSG_NEWALG = 0x10,
25 CRYPTO_MSG_DELALG,
26 CRYPTO_MSG_UPDATEALG,
27 CRYPTO_MSG_GETALG,
28 CRYPTO_MSG_DELRNG,
29 __CRYPTO_MSG_MAX
30};
31#define CRYPTO_MSG_MAX (__CRYPTO_MSG_MAX - 1)
32#define CRYPTO_NR_MSGTYPES (CRYPTO_MSG_MAX + 1 - CRYPTO_MSG_BASE)
33
34#define CRYPTO_MAX_NAME CRYPTO_MAX_ALG_NAME
35
36/* Netlink message attributes. */
37enum crypto_attr_type_t {
38 CRYPTOCFGA_UNSPEC,
39 CRYPTOCFGA_PRIORITY_VAL, /* __u32 */
40 CRYPTOCFGA_REPORT_LARVAL, /* struct crypto_report_larval */
41 CRYPTOCFGA_REPORT_HASH, /* struct crypto_report_hash */
42 CRYPTOCFGA_REPORT_BLKCIPHER, /* struct crypto_report_blkcipher */
43 CRYPTOCFGA_REPORT_AEAD, /* struct crypto_report_aead */
44 CRYPTOCFGA_REPORT_COMPRESS, /* struct crypto_report_comp */
45 CRYPTOCFGA_REPORT_RNG, /* struct crypto_report_rng */
46 CRYPTOCFGA_REPORT_CIPHER, /* struct crypto_report_cipher */
47 CRYPTOCFGA_REPORT_AKCIPHER, /* struct crypto_report_akcipher */
48 CRYPTOCFGA_REPORT_KPP, /* struct crypto_report_kpp */
49 __CRYPTOCFGA_MAX
50
51#define CRYPTOCFGA_MAX (__CRYPTOCFGA_MAX - 1)
52};
53
54struct crypto_user_alg {
55 char cru_name[CRYPTO_MAX_ALG_NAME];
56 char cru_driver_name[CRYPTO_MAX_ALG_NAME];
57 char cru_module_name[CRYPTO_MAX_ALG_NAME];
58 __u32 cru_type;
59 __u32 cru_mask;
60 __u32 cru_refcnt;
61 __u32 cru_flags;
62};
63
64struct crypto_report_larval {
65 char type[CRYPTO_MAX_NAME];
66};
67
68struct crypto_report_hash {
69 char type[CRYPTO_MAX_NAME];
70 unsigned int blocksize;
71 unsigned int digestsize;
72};
73
74struct crypto_report_cipher {
75 char type[CRYPTO_MAX_ALG_NAME];
76 unsigned int blocksize;
77 unsigned int min_keysize;
78 unsigned int max_keysize;
79};
80
81struct crypto_report_blkcipher {
82 char type[CRYPTO_MAX_NAME];
83 char geniv[CRYPTO_MAX_NAME];
84 unsigned int blocksize;
85 unsigned int min_keysize;
86 unsigned int max_keysize;
87 unsigned int ivsize;
88};
89
90struct crypto_report_aead {
91 char type[CRYPTO_MAX_NAME];
92 char geniv[CRYPTO_MAX_NAME];
93 unsigned int blocksize;
94 unsigned int maxauthsize;
95 unsigned int ivsize;
96};
97
98struct crypto_report_comp {
99 char type[CRYPTO_MAX_NAME];
100};
101
102struct crypto_report_rng {
103 char type[CRYPTO_MAX_NAME];
104 unsigned int seedsize;
105};
106
107struct crypto_report_akcipher {
108 char type[CRYPTO_MAX_NAME];
109};
110
111struct crypto_report_kpp {
112 char type[CRYPTO_MAX_NAME];
113};
114
115#define CRYPTO_REPORT_MAXSIZE (sizeof(struct crypto_user_alg) + \
116 sizeof(struct crypto_report_blkcipher))