Commit | Line | Data |
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a61127c2 | 1 | // SPDX-License-Identifier: GPL-2.0-only |
a38f7907 SK |
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> | |
a38f7907 SK |
7 | */ |
8 | ||
9 | #include <linux/module.h> | |
10 | #include <linux/crypto.h> | |
11 | #include <linux/cryptouser.h> | |
1e122994 | 12 | #include <linux/sched.h> |
a38f7907 SK |
13 | #include <net/netlink.h> |
14 | #include <linux/security.h> | |
15 | #include <net/net_namespace.h> | |
1e122994 | 16 | #include <crypto/internal/skcipher.h> |
9aa867e4 | 17 | #include <crypto/internal/rng.h> |
3c339ab8 | 18 | #include <crypto/akcipher.h> |
4e5f2c40 | 19 | #include <crypto/kpp.h> |
cac5818c | 20 | #include <crypto/internal/cryptouser.h> |
1e122994 | 21 | |
a38f7907 SK |
22 | #include "internal.h" |
23 | ||
8fd61d34 MK |
24 | #define null_terminated(x) (strnlen(x, sizeof(x)) < sizeof(x)) |
25 | ||
66ce0b0f | 26 | static DEFINE_MUTEX(crypto_cfg_mutex); |
a38f7907 SK |
27 | |
28 | /* The crypto netlink socket */ | |
cac5818c | 29 | struct sock *crypto_nlsk; |
a38f7907 SK |
30 | |
31 | struct crypto_dump_info { | |
32 | struct sk_buff *in_skb; | |
33 | struct sk_buff *out_skb; | |
34 | u32 nlmsg_seq; | |
35 | u16 nlmsg_flags; | |
36 | }; | |
37 | ||
cac5818c | 38 | struct crypto_alg *crypto_alg_match(struct crypto_user_alg *p, int exact) |
a38f7907 | 39 | { |
a38f7907 SK |
40 | struct crypto_alg *q, *alg = NULL; |
41 | ||
42 | down_read(&crypto_alg_sem); | |
43 | ||
a38f7907 | 44 | list_for_each_entry(q, &crypto_alg_list, cra_list) { |
e6ea64ec | 45 | int match = 0; |
a38f7907 SK |
46 | |
47 | if ((q->cra_flags ^ p->cru_type) & p->cru_mask) | |
48 | continue; | |
49 | ||
50 | if (strlen(p->cru_driver_name)) | |
51 | match = !strcmp(q->cra_driver_name, | |
52 | p->cru_driver_name); | |
53 | else if (!exact) | |
54 | match = !strcmp(q->cra_name, p->cru_name); | |
55 | ||
016baaa1 HX |
56 | if (!match) |
57 | continue; | |
58 | ||
59 | if (unlikely(!crypto_mod_get(q))) | |
60 | continue; | |
61 | ||
62 | alg = q; | |
63 | break; | |
a38f7907 SK |
64 | } |
65 | ||
66 | up_read(&crypto_alg_sem); | |
67 | ||
68 | return alg; | |
69 | } | |
70 | ||
07a5fa4a SK |
71 | static int crypto_report_cipher(struct sk_buff *skb, struct crypto_alg *alg) |
72 | { | |
73 | struct crypto_report_cipher rcipher; | |
74 | ||
37db69e0 EB |
75 | memset(&rcipher, 0, sizeof(rcipher)); |
76 | ||
77 | strscpy(rcipher.type, "cipher", sizeof(rcipher.type)); | |
07a5fa4a SK |
78 | |
79 | rcipher.blocksize = alg->cra_blocksize; | |
80 | rcipher.min_keysize = alg->cra_cipher.cia_min_keysize; | |
81 | rcipher.max_keysize = alg->cra_cipher.cia_max_keysize; | |
82 | ||
37db69e0 EB |
83 | return nla_put(skb, CRYPTOCFGA_REPORT_CIPHER, |
84 | sizeof(rcipher), &rcipher); | |
07a5fa4a SK |
85 | } |
86 | ||
540b97c1 SK |
87 | static int crypto_report_comp(struct sk_buff *skb, struct crypto_alg *alg) |
88 | { | |
89 | struct crypto_report_comp rcomp; | |
90 | ||
37db69e0 EB |
91 | memset(&rcomp, 0, sizeof(rcomp)); |
92 | ||
93 | strscpy(rcomp.type, "compression", sizeof(rcomp.type)); | |
540b97c1 | 94 | |
37db69e0 | 95 | return nla_put(skb, CRYPTOCFGA_REPORT_COMPRESS, sizeof(rcomp), &rcomp); |
540b97c1 SK |
96 | } |
97 | ||
a38f7907 SK |
98 | static int crypto_report_one(struct crypto_alg *alg, |
99 | struct crypto_user_alg *ualg, struct sk_buff *skb) | |
100 | { | |
37db69e0 EB |
101 | memset(ualg, 0, sizeof(*ualg)); |
102 | ||
103 | strscpy(ualg->cru_name, alg->cra_name, sizeof(ualg->cru_name)); | |
104 | strscpy(ualg->cru_driver_name, alg->cra_driver_name, | |
9a5467bf | 105 | sizeof(ualg->cru_driver_name)); |
37db69e0 | 106 | strscpy(ualg->cru_module_name, module_name(alg->cra_module), |
9a5467bf MK |
107 | sizeof(ualg->cru_module_name)); |
108 | ||
109 | ualg->cru_type = 0; | |
110 | ualg->cru_mask = 0; | |
a38f7907 | 111 | ualg->cru_flags = alg->cra_flags; |
ce8614a3 | 112 | ualg->cru_refcnt = refcount_read(&alg->cra_refcnt); |
a38f7907 | 113 | |
6662df33 DM |
114 | if (nla_put_u32(skb, CRYPTOCFGA_PRIORITY_VAL, alg->cra_priority)) |
115 | goto nla_put_failure; | |
6c5a86f5 SK |
116 | if (alg->cra_flags & CRYPTO_ALG_LARVAL) { |
117 | struct crypto_report_larval rl; | |
118 | ||
37db69e0 EB |
119 | memset(&rl, 0, sizeof(rl)); |
120 | strscpy(rl.type, "larval", sizeof(rl.type)); | |
121 | if (nla_put(skb, CRYPTOCFGA_REPORT_LARVAL, sizeof(rl), &rl)) | |
6662df33 | 122 | goto nla_put_failure; |
6c5a86f5 SK |
123 | goto out; |
124 | } | |
125 | ||
b6aa63c0 SK |
126 | if (alg->cra_type && alg->cra_type->report) { |
127 | if (alg->cra_type->report(skb, alg)) | |
128 | goto nla_put_failure; | |
07a5fa4a SK |
129 | |
130 | goto out; | |
131 | } | |
132 | ||
133 | switch (alg->cra_flags & (CRYPTO_ALG_TYPE_MASK | CRYPTO_ALG_LARVAL)) { | |
134 | case CRYPTO_ALG_TYPE_CIPHER: | |
135 | if (crypto_report_cipher(skb, alg)) | |
136 | goto nla_put_failure; | |
137 | ||
540b97c1 SK |
138 | break; |
139 | case CRYPTO_ALG_TYPE_COMPRESS: | |
140 | if (crypto_report_comp(skb, alg)) | |
141 | goto nla_put_failure; | |
142 | ||
07a5fa4a | 143 | break; |
b6aa63c0 SK |
144 | } |
145 | ||
6c5a86f5 | 146 | out: |
a38f7907 SK |
147 | return 0; |
148 | ||
149 | nla_put_failure: | |
150 | return -EMSGSIZE; | |
151 | } | |
152 | ||
153 | static int crypto_report_alg(struct crypto_alg *alg, | |
154 | struct crypto_dump_info *info) | |
155 | { | |
156 | struct sk_buff *in_skb = info->in_skb; | |
157 | struct sk_buff *skb = info->out_skb; | |
158 | struct nlmsghdr *nlh; | |
159 | struct crypto_user_alg *ualg; | |
160 | int err = 0; | |
161 | ||
15e47304 | 162 | nlh = nlmsg_put(skb, NETLINK_CB(in_skb).portid, info->nlmsg_seq, |
a38f7907 SK |
163 | CRYPTO_MSG_GETALG, sizeof(*ualg), info->nlmsg_flags); |
164 | if (!nlh) { | |
165 | err = -EMSGSIZE; | |
166 | goto out; | |
167 | } | |
168 | ||
169 | ualg = nlmsg_data(nlh); | |
170 | ||
171 | err = crypto_report_one(alg, ualg, skb); | |
172 | if (err) { | |
173 | nlmsg_cancel(skb, nlh); | |
174 | goto out; | |
175 | } | |
176 | ||
177 | nlmsg_end(skb, nlh); | |
178 | ||
179 | out: | |
180 | return err; | |
181 | } | |
182 | ||
183 | static int crypto_report(struct sk_buff *in_skb, struct nlmsghdr *in_nlh, | |
184 | struct nlattr **attrs) | |
185 | { | |
186 | struct crypto_user_alg *p = nlmsg_data(in_nlh); | |
187 | struct crypto_alg *alg; | |
188 | struct sk_buff *skb; | |
189 | struct crypto_dump_info info; | |
190 | int err; | |
191 | ||
8fd61d34 MK |
192 | if (!null_terminated(p->cru_name) || !null_terminated(p->cru_driver_name)) |
193 | return -EINVAL; | |
194 | ||
5d4a5e77 | 195 | alg = crypto_alg_match(p, 0); |
a38f7907 SK |
196 | if (!alg) |
197 | return -ENOENT; | |
198 | ||
016baaa1 | 199 | err = -ENOMEM; |
9a69b7ae | 200 | skb = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
a38f7907 | 201 | if (!skb) |
016baaa1 | 202 | goto drop_alg; |
a38f7907 SK |
203 | |
204 | info.in_skb = in_skb; | |
205 | info.out_skb = skb; | |
206 | info.nlmsg_seq = in_nlh->nlmsg_seq; | |
207 | info.nlmsg_flags = 0; | |
208 | ||
209 | err = crypto_report_alg(alg, &info); | |
016baaa1 HX |
210 | |
211 | drop_alg: | |
212 | crypto_mod_put(alg); | |
213 | ||
a38f7907 SK |
214 | if (err) |
215 | return err; | |
216 | ||
15e47304 | 217 | return nlmsg_unicast(crypto_nlsk, skb, NETLINK_CB(in_skb).portid); |
a38f7907 SK |
218 | } |
219 | ||
220 | static int crypto_dump_report(struct sk_buff *skb, struct netlink_callback *cb) | |
221 | { | |
0ac6b8fb EB |
222 | const size_t start_pos = cb->args[0]; |
223 | size_t pos = 0; | |
a38f7907 | 224 | struct crypto_dump_info info; |
0ac6b8fb EB |
225 | struct crypto_alg *alg; |
226 | int res; | |
a38f7907 SK |
227 | |
228 | info.in_skb = cb->skb; | |
229 | info.out_skb = skb; | |
230 | info.nlmsg_seq = cb->nlh->nlmsg_seq; | |
231 | info.nlmsg_flags = NLM_F_MULTI; | |
232 | ||
0ac6b8fb | 233 | down_read(&crypto_alg_sem); |
a38f7907 | 234 | list_for_each_entry(alg, &crypto_alg_list, cra_list) { |
0ac6b8fb EB |
235 | if (pos >= start_pos) { |
236 | res = crypto_report_alg(alg, &info); | |
237 | if (res == -EMSGSIZE) | |
238 | break; | |
239 | if (res) | |
240 | goto out; | |
241 | } | |
242 | pos++; | |
a38f7907 | 243 | } |
0ac6b8fb EB |
244 | cb->args[0] = pos; |
245 | res = skb->len; | |
a38f7907 | 246 | out: |
0ac6b8fb EB |
247 | up_read(&crypto_alg_sem); |
248 | return res; | |
a38f7907 SK |
249 | } |
250 | ||
251 | static int crypto_dump_report_done(struct netlink_callback *cb) | |
252 | { | |
253 | return 0; | |
254 | } | |
255 | ||
256 | static int crypto_update_alg(struct sk_buff *skb, struct nlmsghdr *nlh, | |
257 | struct nlattr **attrs) | |
258 | { | |
259 | struct crypto_alg *alg; | |
260 | struct crypto_user_alg *p = nlmsg_data(nlh); | |
261 | struct nlattr *priority = attrs[CRYPTOCFGA_PRIORITY_VAL]; | |
262 | LIST_HEAD(list); | |
263 | ||
639b4ac6 | 264 | if (!netlink_capable(skb, CAP_NET_ADMIN)) |
c568398a MCO |
265 | return -EPERM; |
266 | ||
8fd61d34 MK |
267 | if (!null_terminated(p->cru_name) || !null_terminated(p->cru_driver_name)) |
268 | return -EINVAL; | |
269 | ||
a38f7907 SK |
270 | if (priority && !strlen(p->cru_driver_name)) |
271 | return -EINVAL; | |
272 | ||
273 | alg = crypto_alg_match(p, 1); | |
274 | if (!alg) | |
275 | return -ENOENT; | |
276 | ||
277 | down_write(&crypto_alg_sem); | |
278 | ||
279 | crypto_remove_spawns(alg, &list, NULL); | |
280 | ||
281 | if (priority) | |
282 | alg->cra_priority = nla_get_u32(priority); | |
283 | ||
284 | up_write(&crypto_alg_sem); | |
285 | ||
016baaa1 | 286 | crypto_mod_put(alg); |
a38f7907 SK |
287 | crypto_remove_final(&list); |
288 | ||
289 | return 0; | |
290 | } | |
291 | ||
292 | static int crypto_del_alg(struct sk_buff *skb, struct nlmsghdr *nlh, | |
293 | struct nlattr **attrs) | |
294 | { | |
295 | struct crypto_alg *alg; | |
296 | struct crypto_user_alg *p = nlmsg_data(nlh); | |
016baaa1 | 297 | int err; |
a38f7907 | 298 | |
639b4ac6 | 299 | if (!netlink_capable(skb, CAP_NET_ADMIN)) |
c568398a MCO |
300 | return -EPERM; |
301 | ||
8fd61d34 MK |
302 | if (!null_terminated(p->cru_name) || !null_terminated(p->cru_driver_name)) |
303 | return -EINVAL; | |
304 | ||
a38f7907 SK |
305 | alg = crypto_alg_match(p, 1); |
306 | if (!alg) | |
307 | return -ENOENT; | |
308 | ||
309 | /* We can not unregister core algorithms such as aes-generic. | |
310 | * We would loose the reference in the crypto_alg_list to this algorithm | |
311 | * if we try to unregister. Unregistering such an algorithm without | |
312 | * removing the module is not possible, so we restrict to crypto | |
313 | * instances that are build from templates. */ | |
016baaa1 | 314 | err = -EINVAL; |
a38f7907 | 315 | if (!(alg->cra_flags & CRYPTO_ALG_INSTANCE)) |
016baaa1 | 316 | goto drop_alg; |
a38f7907 | 317 | |
016baaa1 | 318 | err = -EBUSY; |
ce8614a3 | 319 | if (refcount_read(&alg->cra_refcnt) > 2) |
016baaa1 | 320 | goto drop_alg; |
a38f7907 | 321 | |
016baaa1 HX |
322 | err = crypto_unregister_instance((struct crypto_instance *)alg); |
323 | ||
324 | drop_alg: | |
325 | crypto_mod_put(alg); | |
326 | return err; | |
a38f7907 SK |
327 | } |
328 | ||
329 | static int crypto_add_alg(struct sk_buff *skb, struct nlmsghdr *nlh, | |
330 | struct nlattr **attrs) | |
331 | { | |
0cfdec7a | 332 | int exact = 0; |
a38f7907 SK |
333 | const char *name; |
334 | struct crypto_alg *alg; | |
335 | struct crypto_user_alg *p = nlmsg_data(nlh); | |
336 | struct nlattr *priority = attrs[CRYPTOCFGA_PRIORITY_VAL]; | |
337 | ||
639b4ac6 | 338 | if (!netlink_capable(skb, CAP_NET_ADMIN)) |
c568398a MCO |
339 | return -EPERM; |
340 | ||
8fd61d34 MK |
341 | if (!null_terminated(p->cru_name) || !null_terminated(p->cru_driver_name)) |
342 | return -EINVAL; | |
343 | ||
a38f7907 SK |
344 | if (strlen(p->cru_driver_name)) |
345 | exact = 1; | |
346 | ||
347 | if (priority && !exact) | |
348 | return -EINVAL; | |
349 | ||
350 | alg = crypto_alg_match(p, exact); | |
016baaa1 HX |
351 | if (alg) { |
352 | crypto_mod_put(alg); | |
a38f7907 | 353 | return -EEXIST; |
016baaa1 | 354 | } |
a38f7907 SK |
355 | |
356 | if (strlen(p->cru_driver_name)) | |
357 | name = p->cru_driver_name; | |
358 | else | |
359 | name = p->cru_name; | |
360 | ||
6cf80a29 | 361 | alg = crypto_alg_mod_lookup(name, p->cru_type, p->cru_mask); |
a38f7907 SK |
362 | if (IS_ERR(alg)) |
363 | return PTR_ERR(alg); | |
364 | ||
365 | down_write(&crypto_alg_sem); | |
366 | ||
367 | if (priority) | |
368 | alg->cra_priority = nla_get_u32(priority); | |
369 | ||
370 | up_write(&crypto_alg_sem); | |
371 | ||
372 | crypto_mod_put(alg); | |
373 | ||
374 | return 0; | |
375 | } | |
376 | ||
9aa867e4 HX |
377 | static int crypto_del_rng(struct sk_buff *skb, struct nlmsghdr *nlh, |
378 | struct nlattr **attrs) | |
379 | { | |
380 | if (!netlink_capable(skb, CAP_NET_ADMIN)) | |
381 | return -EPERM; | |
382 | return crypto_del_default_rng(); | |
383 | } | |
384 | ||
a38f7907 SK |
385 | #define MSGSIZE(type) sizeof(struct type) |
386 | ||
387 | static const int crypto_msg_min[CRYPTO_NR_MSGTYPES] = { | |
388 | [CRYPTO_MSG_NEWALG - CRYPTO_MSG_BASE] = MSGSIZE(crypto_user_alg), | |
389 | [CRYPTO_MSG_DELALG - CRYPTO_MSG_BASE] = MSGSIZE(crypto_user_alg), | |
390 | [CRYPTO_MSG_UPDATEALG - CRYPTO_MSG_BASE] = MSGSIZE(crypto_user_alg), | |
055ddaac | 391 | [CRYPTO_MSG_GETALG - CRYPTO_MSG_BASE] = MSGSIZE(crypto_user_alg), |
9aa867e4 | 392 | [CRYPTO_MSG_DELRNG - CRYPTO_MSG_BASE] = 0, |
cac5818c | 393 | [CRYPTO_MSG_GETSTAT - CRYPTO_MSG_BASE] = MSGSIZE(crypto_user_alg), |
a38f7907 SK |
394 | }; |
395 | ||
396 | static const struct nla_policy crypto_policy[CRYPTOCFGA_MAX+1] = { | |
397 | [CRYPTOCFGA_PRIORITY_VAL] = { .type = NLA_U32}, | |
398 | }; | |
399 | ||
400 | #undef MSGSIZE | |
401 | ||
a84fb791 | 402 | static const struct crypto_link { |
a38f7907 SK |
403 | int (*doit)(struct sk_buff *, struct nlmsghdr *, struct nlattr **); |
404 | int (*dump)(struct sk_buff *, struct netlink_callback *); | |
405 | int (*done)(struct netlink_callback *); | |
406 | } crypto_dispatch[CRYPTO_NR_MSGTYPES] = { | |
407 | [CRYPTO_MSG_NEWALG - CRYPTO_MSG_BASE] = { .doit = crypto_add_alg}, | |
408 | [CRYPTO_MSG_DELALG - CRYPTO_MSG_BASE] = { .doit = crypto_del_alg}, | |
409 | [CRYPTO_MSG_UPDATEALG - CRYPTO_MSG_BASE] = { .doit = crypto_update_alg}, | |
410 | [CRYPTO_MSG_GETALG - CRYPTO_MSG_BASE] = { .doit = crypto_report, | |
411 | .dump = crypto_dump_report, | |
412 | .done = crypto_dump_report_done}, | |
9aa867e4 | 413 | [CRYPTO_MSG_DELRNG - CRYPTO_MSG_BASE] = { .doit = crypto_del_rng }, |
0c99c2a0 | 414 | [CRYPTO_MSG_GETSTAT - CRYPTO_MSG_BASE] = { .doit = crypto_reportstat}, |
a38f7907 SK |
415 | }; |
416 | ||
2d4bc933 JB |
417 | static int crypto_user_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh, |
418 | struct netlink_ext_ack *extack) | |
a38f7907 SK |
419 | { |
420 | struct nlattr *attrs[CRYPTOCFGA_MAX+1]; | |
a84fb791 | 421 | const struct crypto_link *link; |
a38f7907 SK |
422 | int type, err; |
423 | ||
424 | type = nlh->nlmsg_type; | |
425 | if (type > CRYPTO_MSG_MAX) | |
426 | return -EINVAL; | |
427 | ||
428 | type -= CRYPTO_MSG_BASE; | |
429 | link = &crypto_dispatch[type]; | |
430 | ||
a38f7907 SK |
431 | if ((type == (CRYPTO_MSG_GETALG - CRYPTO_MSG_BASE) && |
432 | (nlh->nlmsg_flags & NLM_F_DUMP))) { | |
5219a534 | 433 | struct crypto_alg *alg; |
0ac6b8fb | 434 | unsigned long dump_alloc = 0; |
5219a534 | 435 | |
a38f7907 SK |
436 | if (link->dump == NULL) |
437 | return -EINVAL; | |
5219a534 | 438 | |
63e41ebc | 439 | down_read(&crypto_alg_sem); |
5219a534 SK |
440 | list_for_each_entry(alg, &crypto_alg_list, cra_list) |
441 | dump_alloc += CRYPTO_REPORT_MAXSIZE; | |
0ac6b8fb | 442 | up_read(&crypto_alg_sem); |
5219a534 | 443 | |
80d326fa PNA |
444 | { |
445 | struct netlink_dump_control c = { | |
446 | .dump = link->dump, | |
447 | .done = link->done, | |
0ac6b8fb | 448 | .min_dump_alloc = min(dump_alloc, 65535UL), |
80d326fa | 449 | }; |
63e41ebc | 450 | err = netlink_dump_start(crypto_nlsk, skb, nlh, &c); |
80d326fa | 451 | } |
63e41ebc MK |
452 | |
453 | return err; | |
a38f7907 SK |
454 | } |
455 | ||
8cb08174 JB |
456 | err = nlmsg_parse_deprecated(nlh, crypto_msg_min[type], attrs, |
457 | CRYPTOCFGA_MAX, crypto_policy, extack); | |
fd2efd93 HX |
458 | if (err < 0) |
459 | return err; | |
a38f7907 SK |
460 | |
461 | if (link->doit == NULL) | |
462 | return -EINVAL; | |
463 | ||
464 | return link->doit(skb, nlh, attrs); | |
465 | } | |
466 | ||
467 | static void crypto_netlink_rcv(struct sk_buff *skb) | |
468 | { | |
469 | mutex_lock(&crypto_cfg_mutex); | |
470 | netlink_rcv_skb(skb, &crypto_user_rcv_msg); | |
471 | mutex_unlock(&crypto_cfg_mutex); | |
472 | } | |
473 | ||
474 | static int __init crypto_user_init(void) | |
475 | { | |
a31f2d17 PNA |
476 | struct netlink_kernel_cfg cfg = { |
477 | .input = crypto_netlink_rcv, | |
478 | }; | |
479 | ||
9f00d977 | 480 | crypto_nlsk = netlink_kernel_create(&init_net, NETLINK_CRYPTO, &cfg); |
a38f7907 SK |
481 | if (!crypto_nlsk) |
482 | return -ENOMEM; | |
483 | ||
484 | return 0; | |
485 | } | |
486 | ||
487 | static void __exit crypto_user_exit(void) | |
488 | { | |
489 | netlink_kernel_release(crypto_nlsk); | |
490 | } | |
491 | ||
492 | module_init(crypto_user_init); | |
493 | module_exit(crypto_user_exit); | |
494 | MODULE_LICENSE("GPL"); | |
495 | MODULE_AUTHOR("Steffen Klassert <steffen.klassert@secunet.com>"); | |
496 | MODULE_DESCRIPTION("Crypto userspace configuration API"); | |
476c7fe2 | 497 | MODULE_ALIAS("net-pf-16-proto-21"); |