projects/linux·blob da89fb16 · refs

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1/*
2 * Crypto user configuration API.
3 *
4 * Copyright (C) 2011 secunet Security Networks AG
5 * Copyright (C) 2011 Steffen Klassert <[email protected]>
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_MAX
29};
30#define CRYPTO_MSG_MAX (__CRYPTO_MSG_MAX - 1)
31#define CRYPTO_NR_MSGTYPES (CRYPTO_MSG_MAX + 1 - CRYPTO_MSG_BASE)
32
33#define CRYPTO_MAX_NAME CRYPTO_MAX_ALG_NAME
34
35/* Netlink message attributes. */
36enum crypto_attr_type_t {
37 CRYPTOCFGA_UNSPEC,
38 CRYPTOCFGA_PRIORITY_VAL, /* __u32 */
39 CRYPTOCFGA_REPORT_LARVAL, /* struct crypto_report_larval */
40 CRYPTOCFGA_REPORT_HASH, /* struct crypto_report_hash */
41 CRYPTOCFGA_REPORT_BLKCIPHER, /* struct crypto_report_blkcipher */
42 CRYPTOCFGA_REPORT_AEAD, /* struct crypto_report_aead */
43 CRYPTOCFGA_REPORT_COMPRESS, /* struct crypto_report_comp */
44 CRYPTOCFGA_REPORT_RNG, /* struct crypto_report_rng */
45 CRYPTOCFGA_REPORT_CIPHER, /* struct crypto_report_cipher */
46 __CRYPTOCFGA_MAX
47
48#define CRYPTOCFGA_MAX (__CRYPTOCFGA_MAX - 1)
49};
50
51struct crypto_user_alg {
52 char cru_name[CRYPTO_MAX_ALG_NAME];
53 char cru_driver_name[CRYPTO_MAX_ALG_NAME];
54 char cru_module_name[CRYPTO_MAX_ALG_NAME];
55 __u32 cru_type;
56 __u32 cru_mask;
57 __u32 cru_refcnt;
58 __u32 cru_flags;
59};
60
61struct crypto_report_larval {
62 char type[CRYPTO_MAX_NAME];
63};
64
65struct crypto_report_hash {
66 char type[CRYPTO_MAX_NAME];
67 unsigned int blocksize;
68 unsigned int digestsize;
69};
70
71struct crypto_report_cipher {
72 char type[CRYPTO_MAX_ALG_NAME];
73 unsigned int blocksize;
74 unsigned int min_keysize;
75 unsigned int max_keysize;
76};
77
78struct crypto_report_blkcipher {
79 char type[CRYPTO_MAX_NAME];
80 char geniv[CRYPTO_MAX_NAME];
81 unsigned int blocksize;
82 unsigned int min_keysize;
83 unsigned int max_keysize;
84 unsigned int ivsize;
85};
86
87struct crypto_report_aead {
88 char type[CRYPTO_MAX_NAME];
89 char geniv[CRYPTO_MAX_NAME];
90 unsigned int blocksize;
91 unsigned int maxauthsize;
92 unsigned int ivsize;
93};
94
95struct crypto_report_comp {
96 char type[CRYPTO_MAX_NAME];
97};
98
99struct crypto_report_rng {
100 char type[CRYPTO_MAX_NAME];
101 unsigned int seedsize;
102};
103
104#define CRYPTO_REPORT_MAXSIZE (sizeof(struct crypto_user_alg) + \
105 sizeof(struct crypto_report_blkcipher))