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 <[email protected]>
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 #ifndef _UAPI_LINUX_CRYPTOUSER_H
23 #define _UAPI_LINUX_CRYPTOUSER_H
24 
25 #include <linux/types.h>
26 
27 /* Netlink configuration messages.  */
28 enum {
29 	CRYPTO_MSG_BASE = 0x10,
30 	CRYPTO_MSG_NEWALG = 0x10,
31 	CRYPTO_MSG_DELALG,
32 	CRYPTO_MSG_UPDATEALG,
33 	CRYPTO_MSG_GETALG,
34 	CRYPTO_MSG_DELRNG,
35 	CRYPTO_MSG_GETSTAT, /* No longer supported, do not use. */
36 	__CRYPTO_MSG_MAX
37 };
38 #define CRYPTO_MSG_MAX (__CRYPTO_MSG_MAX - 1)
39 #define CRYPTO_NR_MSGTYPES (CRYPTO_MSG_MAX + 1 - CRYPTO_MSG_BASE)
40 
41 #define CRYPTO_MAX_NAME 64
42 
43 /* Netlink message attributes.  */
44 enum crypto_attr_type_t {
45 	CRYPTOCFGA_UNSPEC,
46 	CRYPTOCFGA_PRIORITY_VAL,	/* __u32 */
47 	CRYPTOCFGA_REPORT_LARVAL,	/* struct crypto_report_larval */
48 	CRYPTOCFGA_REPORT_HASH,		/* struct crypto_report_hash */
49 	CRYPTOCFGA_REPORT_BLKCIPHER,	/* struct crypto_report_blkcipher */
50 	CRYPTOCFGA_REPORT_AEAD,		/* struct crypto_report_aead */
51 	CRYPTOCFGA_REPORT_COMPRESS,	/* struct crypto_report_comp */
52 	CRYPTOCFGA_REPORT_RNG,		/* struct crypto_report_rng */
53 	CRYPTOCFGA_REPORT_CIPHER,	/* struct crypto_report_cipher */
54 	CRYPTOCFGA_REPORT_AKCIPHER,	/* struct crypto_report_akcipher */
55 	CRYPTOCFGA_REPORT_KPP,		/* struct crypto_report_kpp */
56 	CRYPTOCFGA_REPORT_ACOMP,	/* struct crypto_report_acomp */
57 	CRYPTOCFGA_STAT_LARVAL,		/* No longer supported, do not use. */
58 	CRYPTOCFGA_STAT_HASH,		/* No longer supported, do not use. */
59 	CRYPTOCFGA_STAT_BLKCIPHER,	/* No longer supported, do not use. */
60 	CRYPTOCFGA_STAT_AEAD,		/* No longer supported, do not use. */
61 	CRYPTOCFGA_STAT_COMPRESS,	/* No longer supported, do not use. */
62 	CRYPTOCFGA_STAT_RNG,		/* No longer supported, do not use. */
63 	CRYPTOCFGA_STAT_CIPHER,		/* No longer supported, do not use. */
64 	CRYPTOCFGA_STAT_AKCIPHER,	/* No longer supported, do not use. */
65 	CRYPTOCFGA_STAT_KPP,		/* No longer supported, do not use. */
66 	CRYPTOCFGA_STAT_ACOMP,		/* No longer supported, do not use. */
67 	CRYPTOCFGA_REPORT_SIG,		/* struct crypto_report_sig */
68 	__CRYPTOCFGA_MAX
69 
70 #define CRYPTOCFGA_MAX (__CRYPTOCFGA_MAX - 1)
71 };
72 
73 struct crypto_user_alg {
74 	char cru_name[CRYPTO_MAX_NAME];
75 	char cru_driver_name[CRYPTO_MAX_NAME];
76 	char cru_module_name[CRYPTO_MAX_NAME];
77 	__u32 cru_type;
78 	__u32 cru_mask;
79 	__u32 cru_refcnt;
80 	__u32 cru_flags;
81 };
82 
83 /* No longer supported, do not use. */
84 struct crypto_stat_aead {
85 	char type[CRYPTO_MAX_NAME];
86 	__u64 stat_encrypt_cnt;
87 	__u64 stat_encrypt_tlen;
88 	__u64 stat_decrypt_cnt;
89 	__u64 stat_decrypt_tlen;
90 	__u64 stat_err_cnt;
91 };
92 
93 /* No longer supported, do not use. */
94 struct crypto_stat_akcipher {
95 	char type[CRYPTO_MAX_NAME];
96 	__u64 stat_encrypt_cnt;
97 	__u64 stat_encrypt_tlen;
98 	__u64 stat_decrypt_cnt;
99 	__u64 stat_decrypt_tlen;
100 	__u64 stat_verify_cnt;
101 	__u64 stat_sign_cnt;
102 	__u64 stat_err_cnt;
103 };
104 
105 /* No longer supported, do not use. */
106 struct crypto_stat_cipher {
107 	char type[CRYPTO_MAX_NAME];
108 	__u64 stat_encrypt_cnt;
109 	__u64 stat_encrypt_tlen;
110 	__u64 stat_decrypt_cnt;
111 	__u64 stat_decrypt_tlen;
112 	__u64 stat_err_cnt;
113 };
114 
115 /* No longer supported, do not use. */
116 struct crypto_stat_compress {
117 	char type[CRYPTO_MAX_NAME];
118 	__u64 stat_compress_cnt;
119 	__u64 stat_compress_tlen;
120 	__u64 stat_decompress_cnt;
121 	__u64 stat_decompress_tlen;
122 	__u64 stat_err_cnt;
123 };
124 
125 /* No longer supported, do not use. */
126 struct crypto_stat_hash {
127 	char type[CRYPTO_MAX_NAME];
128 	__u64 stat_hash_cnt;
129 	__u64 stat_hash_tlen;
130 	__u64 stat_err_cnt;
131 };
132 
133 /* No longer supported, do not use. */
134 struct crypto_stat_kpp {
135 	char type[CRYPTO_MAX_NAME];
136 	__u64 stat_setsecret_cnt;
137 	__u64 stat_generate_public_key_cnt;
138 	__u64 stat_compute_shared_secret_cnt;
139 	__u64 stat_err_cnt;
140 };
141 
142 /* No longer supported, do not use. */
143 struct crypto_stat_rng {
144 	char type[CRYPTO_MAX_NAME];
145 	__u64 stat_generate_cnt;
146 	__u64 stat_generate_tlen;
147 	__u64 stat_seed_cnt;
148 	__u64 stat_err_cnt;
149 };
150 
151 /* No longer supported, do not use. */
152 struct crypto_stat_larval {
153 	char type[CRYPTO_MAX_NAME];
154 };
155 
156 struct crypto_report_larval {
157 	char type[CRYPTO_MAX_NAME];
158 };
159 
160 struct crypto_report_hash {
161 	char type[CRYPTO_MAX_NAME];
162 	unsigned int blocksize;
163 	unsigned int digestsize;
164 };
165 
166 struct crypto_report_cipher {
167 	char type[CRYPTO_MAX_NAME];
168 	unsigned int blocksize;
169 	unsigned int min_keysize;
170 	unsigned int max_keysize;
171 };
172 
173 struct crypto_report_blkcipher {
174 	char type[CRYPTO_MAX_NAME];
175 	char geniv[CRYPTO_MAX_NAME];
176 	unsigned int blocksize;
177 	unsigned int min_keysize;
178 	unsigned int max_keysize;
179 	unsigned int ivsize;
180 };
181 
182 struct crypto_report_aead {
183 	char type[CRYPTO_MAX_NAME];
184 	char geniv[CRYPTO_MAX_NAME];
185 	unsigned int blocksize;
186 	unsigned int maxauthsize;
187 	unsigned int ivsize;
188 };
189 
190 struct crypto_report_comp {
191 	char type[CRYPTO_MAX_NAME];
192 };
193 
194 struct crypto_report_rng {
195 	char type[CRYPTO_MAX_NAME];
196 	unsigned int seedsize;
197 };
198 
199 struct crypto_report_akcipher {
200 	char type[CRYPTO_MAX_NAME];
201 };
202 
203 struct crypto_report_kpp {
204 	char type[CRYPTO_MAX_NAME];
205 };
206 
207 struct crypto_report_acomp {
208 	char type[CRYPTO_MAX_NAME];
209 };
210 
211 struct crypto_report_sig {
212 	char type[CRYPTO_MAX_NAME];
213 };
214 
215 #define CRYPTO_REPORT_MAXSIZE (sizeof(struct crypto_user_alg) + \
216 			       sizeof(struct crypto_report_blkcipher))
217 
218 #endif /* _UAPI_LINUX_CRYPTOUSER_H */
219