Linux kernel mirror (for testing)
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1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2/*
3 * Crypto user configuration API.
4 *
5 * Copyright (C) 2011 secunet Security Networks AG
6 * Copyright (C) 2011 Steffen Klassert <steffen.klassert@secunet.com>
7 *
8 * This program is free software; you can redistribute it and/or modify it
9 * under the terms and conditions of the GNU General Public License,
10 * version 2, as published by the Free Software Foundation.
11 *
12 * This program is distributed in the hope it will be useful, but WITHOUT
13 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
14 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
15 * more details.
16 *
17 * You should have received a copy of the GNU General Public License along with
18 * this program; if not, write to the Free Software Foundation, Inc.,
19 * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
20 */
21
22#include <linux/types.h>
23
24/* Netlink configuration messages. */
25enum {
26 CRYPTO_MSG_BASE = 0x10,
27 CRYPTO_MSG_NEWALG = 0x10,
28 CRYPTO_MSG_DELALG,
29 CRYPTO_MSG_UPDATEALG,
30 CRYPTO_MSG_GETALG,
31 CRYPTO_MSG_DELRNG,
32 CRYPTO_MSG_GETSTAT,
33 __CRYPTO_MSG_MAX
34};
35#define CRYPTO_MSG_MAX (__CRYPTO_MSG_MAX - 1)
36#define CRYPTO_NR_MSGTYPES (CRYPTO_MSG_MAX + 1 - CRYPTO_MSG_BASE)
37
38#define CRYPTO_MAX_NAME 64
39
40/* Netlink message attributes. */
41enum crypto_attr_type_t {
42 CRYPTOCFGA_UNSPEC,
43 CRYPTOCFGA_PRIORITY_VAL, /* __u32 */
44 CRYPTOCFGA_REPORT_LARVAL, /* struct crypto_report_larval */
45 CRYPTOCFGA_REPORT_HASH, /* struct crypto_report_hash */
46 CRYPTOCFGA_REPORT_BLKCIPHER, /* struct crypto_report_blkcipher */
47 CRYPTOCFGA_REPORT_AEAD, /* struct crypto_report_aead */
48 CRYPTOCFGA_REPORT_COMPRESS, /* struct crypto_report_comp */
49 CRYPTOCFGA_REPORT_RNG, /* struct crypto_report_rng */
50 CRYPTOCFGA_REPORT_CIPHER, /* struct crypto_report_cipher */
51 CRYPTOCFGA_REPORT_AKCIPHER, /* struct crypto_report_akcipher */
52 CRYPTOCFGA_REPORT_KPP, /* struct crypto_report_kpp */
53 CRYPTOCFGA_REPORT_ACOMP, /* struct crypto_report_acomp */
54 CRYPTOCFGA_STAT_LARVAL, /* struct crypto_stat */
55 CRYPTOCFGA_STAT_HASH, /* struct crypto_stat */
56 CRYPTOCFGA_STAT_BLKCIPHER, /* struct crypto_stat */
57 CRYPTOCFGA_STAT_AEAD, /* struct crypto_stat */
58 CRYPTOCFGA_STAT_COMPRESS, /* struct crypto_stat */
59 CRYPTOCFGA_STAT_RNG, /* struct crypto_stat */
60 CRYPTOCFGA_STAT_CIPHER, /* struct crypto_stat */
61 CRYPTOCFGA_STAT_AKCIPHER, /* struct crypto_stat */
62 CRYPTOCFGA_STAT_KPP, /* struct crypto_stat */
63 CRYPTOCFGA_STAT_ACOMP, /* struct crypto_stat */
64 __CRYPTOCFGA_MAX
65
66#define CRYPTOCFGA_MAX (__CRYPTOCFGA_MAX - 1)
67};
68
69struct crypto_user_alg {
70 char cru_name[CRYPTO_MAX_NAME];
71 char cru_driver_name[CRYPTO_MAX_NAME];
72 char cru_module_name[CRYPTO_MAX_NAME];
73 __u32 cru_type;
74 __u32 cru_mask;
75 __u32 cru_refcnt;
76 __u32 cru_flags;
77};
78
79struct crypto_stat {
80 char type[CRYPTO_MAX_NAME];
81 union {
82 __u32 stat_encrypt_cnt;
83 __u32 stat_compress_cnt;
84 __u32 stat_generate_cnt;
85 __u32 stat_hash_cnt;
86 __u32 stat_setsecret_cnt;
87 };
88 union {
89 __u64 stat_encrypt_tlen;
90 __u64 stat_compress_tlen;
91 __u64 stat_generate_tlen;
92 __u64 stat_hash_tlen;
93 };
94 union {
95 __u32 stat_akcipher_err_cnt;
96 __u32 stat_cipher_err_cnt;
97 __u32 stat_compress_err_cnt;
98 __u32 stat_aead_err_cnt;
99 __u32 stat_hash_err_cnt;
100 __u32 stat_rng_err_cnt;
101 __u32 stat_kpp_err_cnt;
102 };
103 union {
104 __u32 stat_decrypt_cnt;
105 __u32 stat_decompress_cnt;
106 __u32 stat_seed_cnt;
107 __u32 stat_generate_public_key_cnt;
108 };
109 union {
110 __u64 stat_decrypt_tlen;
111 __u64 stat_decompress_tlen;
112 };
113 union {
114 __u32 stat_verify_cnt;
115 __u32 stat_compute_shared_secret_cnt;
116 };
117 __u32 stat_sign_cnt;
118};
119
120struct crypto_report_larval {
121 char type[CRYPTO_MAX_NAME];
122};
123
124struct crypto_report_hash {
125 char type[CRYPTO_MAX_NAME];
126 unsigned int blocksize;
127 unsigned int digestsize;
128};
129
130struct crypto_report_cipher {
131 char type[CRYPTO_MAX_NAME];
132 unsigned int blocksize;
133 unsigned int min_keysize;
134 unsigned int max_keysize;
135};
136
137struct crypto_report_blkcipher {
138 char type[CRYPTO_MAX_NAME];
139 char geniv[CRYPTO_MAX_NAME];
140 unsigned int blocksize;
141 unsigned int min_keysize;
142 unsigned int max_keysize;
143 unsigned int ivsize;
144};
145
146struct crypto_report_aead {
147 char type[CRYPTO_MAX_NAME];
148 char geniv[CRYPTO_MAX_NAME];
149 unsigned int blocksize;
150 unsigned int maxauthsize;
151 unsigned int ivsize;
152};
153
154struct crypto_report_comp {
155 char type[CRYPTO_MAX_NAME];
156};
157
158struct crypto_report_rng {
159 char type[CRYPTO_MAX_NAME];
160 unsigned int seedsize;
161};
162
163struct crypto_report_akcipher {
164 char type[CRYPTO_MAX_NAME];
165};
166
167struct crypto_report_kpp {
168 char type[CRYPTO_MAX_NAME];
169};
170
171struct crypto_report_acomp {
172 char type[CRYPTO_MAX_NAME];
173};
174
175#define CRYPTO_REPORT_MAXSIZE (sizeof(struct crypto_user_alg) + \
176 sizeof(struct crypto_report_blkcipher))