Commit | Line | Data |
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a38f7907 SK |
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 | #include <linux/module.h> | |
22 | #include <linux/crypto.h> | |
23 | #include <linux/cryptouser.h> | |
1e122994 | 24 | #include <linux/sched.h> |
a38f7907 SK |
25 | #include <net/netlink.h> |
26 | #include <linux/security.h> | |
27 | #include <net/net_namespace.h> | |
1e122994 | 28 | #include <crypto/internal/skcipher.h> |
9aa867e4 | 29 | #include <crypto/internal/rng.h> |
3c339ab8 | 30 | #include <crypto/akcipher.h> |
4e5f2c40 | 31 | #include <crypto/kpp.h> |
cac5818c | 32 | #include <crypto/internal/cryptouser.h> |
1e122994 | 33 | |
a38f7907 SK |
34 | #include "internal.h" |
35 | ||
8fd61d34 MK |
36 | #define null_terminated(x) (strnlen(x, sizeof(x)) < sizeof(x)) |
37 | ||
66ce0b0f | 38 | static DEFINE_MUTEX(crypto_cfg_mutex); |
a38f7907 SK |
39 | |
40 | /* The crypto netlink socket */ | |
cac5818c | 41 | struct sock *crypto_nlsk; |
a38f7907 SK |
42 | |
43 | struct crypto_dump_info { | |
44 | struct sk_buff *in_skb; | |
45 | struct sk_buff *out_skb; | |
46 | u32 nlmsg_seq; | |
47 | u16 nlmsg_flags; | |
48 | }; | |
49 | ||
cac5818c | 50 | struct crypto_alg *crypto_alg_match(struct crypto_user_alg *p, int exact) |
a38f7907 | 51 | { |
a38f7907 SK |
52 | struct crypto_alg *q, *alg = NULL; |
53 | ||
54 | down_read(&crypto_alg_sem); | |
55 | ||
a38f7907 | 56 | list_for_each_entry(q, &crypto_alg_list, cra_list) { |
e6ea64ec | 57 | int match = 0; |
a38f7907 SK |
58 | |
59 | if ((q->cra_flags ^ p->cru_type) & p->cru_mask) | |
60 | continue; | |
61 | ||
62 | if (strlen(p->cru_driver_name)) | |
63 | match = !strcmp(q->cra_driver_name, | |
64 | p->cru_driver_name); | |
65 | else if (!exact) | |
66 | match = !strcmp(q->cra_name, p->cru_name); | |
67 | ||
016baaa1 HX |
68 | if (!match) |
69 | continue; | |
70 | ||
71 | if (unlikely(!crypto_mod_get(q))) | |
72 | continue; | |
73 | ||
74 | alg = q; | |
75 | break; | |
a38f7907 SK |
76 | } |
77 | ||
78 | up_read(&crypto_alg_sem); | |
79 | ||
80 | return alg; | |
81 | } | |
82 | ||
07a5fa4a SK |
83 | static int crypto_report_cipher(struct sk_buff *skb, struct crypto_alg *alg) |
84 | { | |
85 | struct crypto_report_cipher rcipher; | |
86 | ||
37db69e0 EB |
87 | memset(&rcipher, 0, sizeof(rcipher)); |
88 | ||
89 | strscpy(rcipher.type, "cipher", sizeof(rcipher.type)); | |
07a5fa4a SK |
90 | |
91 | rcipher.blocksize = alg->cra_blocksize; | |
92 | rcipher.min_keysize = alg->cra_cipher.cia_min_keysize; | |
93 | rcipher.max_keysize = alg->cra_cipher.cia_max_keysize; | |
94 | ||
37db69e0 EB |
95 | return nla_put(skb, CRYPTOCFGA_REPORT_CIPHER, |
96 | sizeof(rcipher), &rcipher); | |
07a5fa4a SK |
97 | } |
98 | ||
540b97c1 SK |
99 | static int crypto_report_comp(struct sk_buff *skb, struct crypto_alg *alg) |
100 | { | |
101 | struct crypto_report_comp rcomp; | |
102 | ||
37db69e0 EB |
103 | memset(&rcomp, 0, sizeof(rcomp)); |
104 | ||
105 | strscpy(rcomp.type, "compression", sizeof(rcomp.type)); | |
540b97c1 | 106 | |
37db69e0 | 107 | return nla_put(skb, CRYPTOCFGA_REPORT_COMPRESS, sizeof(rcomp), &rcomp); |
540b97c1 SK |
108 | } |
109 | ||
a38f7907 SK |
110 | static int crypto_report_one(struct crypto_alg *alg, |
111 | struct crypto_user_alg *ualg, struct sk_buff *skb) | |
112 | { | |
37db69e0 EB |
113 | memset(ualg, 0, sizeof(*ualg)); |
114 | ||
115 | strscpy(ualg->cru_name, alg->cra_name, sizeof(ualg->cru_name)); | |
116 | strscpy(ualg->cru_driver_name, alg->cra_driver_name, | |
9a5467bf | 117 | sizeof(ualg->cru_driver_name)); |
37db69e0 | 118 | strscpy(ualg->cru_module_name, module_name(alg->cra_module), |
9a5467bf MK |
119 | sizeof(ualg->cru_module_name)); |
120 | ||
121 | ualg->cru_type = 0; | |
122 | ualg->cru_mask = 0; | |
a38f7907 | 123 | ualg->cru_flags = alg->cra_flags; |
ce8614a3 | 124 | ualg->cru_refcnt = refcount_read(&alg->cra_refcnt); |
a38f7907 | 125 | |
6662df33 DM |
126 | if (nla_put_u32(skb, CRYPTOCFGA_PRIORITY_VAL, alg->cra_priority)) |
127 | goto nla_put_failure; | |
6c5a86f5 SK |
128 | if (alg->cra_flags & CRYPTO_ALG_LARVAL) { |
129 | struct crypto_report_larval rl; | |
130 | ||
37db69e0 EB |
131 | memset(&rl, 0, sizeof(rl)); |
132 | strscpy(rl.type, "larval", sizeof(rl.type)); | |
133 | if (nla_put(skb, CRYPTOCFGA_REPORT_LARVAL, sizeof(rl), &rl)) | |
6662df33 | 134 | goto nla_put_failure; |
6c5a86f5 SK |
135 | goto out; |
136 | } | |
137 | ||
b6aa63c0 SK |
138 | if (alg->cra_type && alg->cra_type->report) { |
139 | if (alg->cra_type->report(skb, alg)) | |
140 | goto nla_put_failure; | |
07a5fa4a SK |
141 | |
142 | goto out; | |
143 | } | |
144 | ||
145 | switch (alg->cra_flags & (CRYPTO_ALG_TYPE_MASK | CRYPTO_ALG_LARVAL)) { | |
146 | case CRYPTO_ALG_TYPE_CIPHER: | |
147 | if (crypto_report_cipher(skb, alg)) | |
148 | goto nla_put_failure; | |
149 | ||
540b97c1 SK |
150 | break; |
151 | case CRYPTO_ALG_TYPE_COMPRESS: | |
152 | if (crypto_report_comp(skb, alg)) | |
153 | goto nla_put_failure; | |
154 | ||
07a5fa4a | 155 | break; |
b6aa63c0 SK |
156 | } |
157 | ||
6c5a86f5 | 158 | out: |
a38f7907 SK |
159 | return 0; |
160 | ||
161 | nla_put_failure: | |
162 | return -EMSGSIZE; | |
163 | } | |
164 | ||
165 | static int crypto_report_alg(struct crypto_alg *alg, | |
166 | struct crypto_dump_info *info) | |
167 | { | |
168 | struct sk_buff *in_skb = info->in_skb; | |
169 | struct sk_buff *skb = info->out_skb; | |
170 | struct nlmsghdr *nlh; | |
171 | struct crypto_user_alg *ualg; | |
172 | int err = 0; | |
173 | ||
15e47304 | 174 | nlh = nlmsg_put(skb, NETLINK_CB(in_skb).portid, info->nlmsg_seq, |
a38f7907 SK |
175 | CRYPTO_MSG_GETALG, sizeof(*ualg), info->nlmsg_flags); |
176 | if (!nlh) { | |
177 | err = -EMSGSIZE; | |
178 | goto out; | |
179 | } | |
180 | ||
181 | ualg = nlmsg_data(nlh); | |
182 | ||
183 | err = crypto_report_one(alg, ualg, skb); | |
184 | if (err) { | |
185 | nlmsg_cancel(skb, nlh); | |
186 | goto out; | |
187 | } | |
188 | ||
189 | nlmsg_end(skb, nlh); | |
190 | ||
191 | out: | |
192 | return err; | |
193 | } | |
194 | ||
195 | static int crypto_report(struct sk_buff *in_skb, struct nlmsghdr *in_nlh, | |
196 | struct nlattr **attrs) | |
197 | { | |
198 | struct crypto_user_alg *p = nlmsg_data(in_nlh); | |
199 | struct crypto_alg *alg; | |
200 | struct sk_buff *skb; | |
201 | struct crypto_dump_info info; | |
202 | int err; | |
203 | ||
8fd61d34 MK |
204 | if (!null_terminated(p->cru_name) || !null_terminated(p->cru_driver_name)) |
205 | return -EINVAL; | |
206 | ||
5d4a5e77 | 207 | alg = crypto_alg_match(p, 0); |
a38f7907 SK |
208 | if (!alg) |
209 | return -ENOENT; | |
210 | ||
016baaa1 | 211 | err = -ENOMEM; |
9a69b7ae | 212 | skb = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
a38f7907 | 213 | if (!skb) |
016baaa1 | 214 | goto drop_alg; |
a38f7907 SK |
215 | |
216 | info.in_skb = in_skb; | |
217 | info.out_skb = skb; | |
218 | info.nlmsg_seq = in_nlh->nlmsg_seq; | |
219 | info.nlmsg_flags = 0; | |
220 | ||
221 | err = crypto_report_alg(alg, &info); | |
016baaa1 HX |
222 | |
223 | drop_alg: | |
224 | crypto_mod_put(alg); | |
225 | ||
a38f7907 SK |
226 | if (err) |
227 | return err; | |
228 | ||
15e47304 | 229 | return nlmsg_unicast(crypto_nlsk, skb, NETLINK_CB(in_skb).portid); |
a38f7907 SK |
230 | } |
231 | ||
232 | static int crypto_dump_report(struct sk_buff *skb, struct netlink_callback *cb) | |
233 | { | |
234 | struct crypto_alg *alg; | |
235 | struct crypto_dump_info info; | |
236 | int err; | |
237 | ||
238 | if (cb->args[0]) | |
239 | goto out; | |
240 | ||
241 | cb->args[0] = 1; | |
242 | ||
243 | info.in_skb = cb->skb; | |
244 | info.out_skb = skb; | |
245 | info.nlmsg_seq = cb->nlh->nlmsg_seq; | |
246 | info.nlmsg_flags = NLM_F_MULTI; | |
247 | ||
248 | list_for_each_entry(alg, &crypto_alg_list, cra_list) { | |
249 | err = crypto_report_alg(alg, &info); | |
250 | if (err) | |
251 | goto out_err; | |
252 | } | |
253 | ||
254 | out: | |
255 | return skb->len; | |
256 | out_err: | |
257 | return err; | |
258 | } | |
259 | ||
260 | static int crypto_dump_report_done(struct netlink_callback *cb) | |
261 | { | |
262 | return 0; | |
263 | } | |
264 | ||
265 | static int crypto_update_alg(struct sk_buff *skb, struct nlmsghdr *nlh, | |
266 | struct nlattr **attrs) | |
267 | { | |
268 | struct crypto_alg *alg; | |
269 | struct crypto_user_alg *p = nlmsg_data(nlh); | |
270 | struct nlattr *priority = attrs[CRYPTOCFGA_PRIORITY_VAL]; | |
271 | LIST_HEAD(list); | |
272 | ||
639b4ac6 | 273 | if (!netlink_capable(skb, CAP_NET_ADMIN)) |
c568398a MCO |
274 | return -EPERM; |
275 | ||
8fd61d34 MK |
276 | if (!null_terminated(p->cru_name) || !null_terminated(p->cru_driver_name)) |
277 | return -EINVAL; | |
278 | ||
a38f7907 SK |
279 | if (priority && !strlen(p->cru_driver_name)) |
280 | return -EINVAL; | |
281 | ||
282 | alg = crypto_alg_match(p, 1); | |
283 | if (!alg) | |
284 | return -ENOENT; | |
285 | ||
286 | down_write(&crypto_alg_sem); | |
287 | ||
288 | crypto_remove_spawns(alg, &list, NULL); | |
289 | ||
290 | if (priority) | |
291 | alg->cra_priority = nla_get_u32(priority); | |
292 | ||
293 | up_write(&crypto_alg_sem); | |
294 | ||
016baaa1 | 295 | crypto_mod_put(alg); |
a38f7907 SK |
296 | crypto_remove_final(&list); |
297 | ||
298 | return 0; | |
299 | } | |
300 | ||
301 | static int crypto_del_alg(struct sk_buff *skb, struct nlmsghdr *nlh, | |
302 | struct nlattr **attrs) | |
303 | { | |
304 | struct crypto_alg *alg; | |
305 | struct crypto_user_alg *p = nlmsg_data(nlh); | |
016baaa1 | 306 | int err; |
a38f7907 | 307 | |
639b4ac6 | 308 | if (!netlink_capable(skb, CAP_NET_ADMIN)) |
c568398a MCO |
309 | return -EPERM; |
310 | ||
8fd61d34 MK |
311 | if (!null_terminated(p->cru_name) || !null_terminated(p->cru_driver_name)) |
312 | return -EINVAL; | |
313 | ||
a38f7907 SK |
314 | alg = crypto_alg_match(p, 1); |
315 | if (!alg) | |
316 | return -ENOENT; | |
317 | ||
318 | /* We can not unregister core algorithms such as aes-generic. | |
319 | * We would loose the reference in the crypto_alg_list to this algorithm | |
320 | * if we try to unregister. Unregistering such an algorithm without | |
321 | * removing the module is not possible, so we restrict to crypto | |
322 | * instances that are build from templates. */ | |
016baaa1 | 323 | err = -EINVAL; |
a38f7907 | 324 | if (!(alg->cra_flags & CRYPTO_ALG_INSTANCE)) |
016baaa1 | 325 | goto drop_alg; |
a38f7907 | 326 | |
016baaa1 | 327 | err = -EBUSY; |
ce8614a3 | 328 | if (refcount_read(&alg->cra_refcnt) > 2) |
016baaa1 | 329 | goto drop_alg; |
a38f7907 | 330 | |
016baaa1 HX |
331 | err = crypto_unregister_instance((struct crypto_instance *)alg); |
332 | ||
333 | drop_alg: | |
334 | crypto_mod_put(alg); | |
335 | return err; | |
a38f7907 SK |
336 | } |
337 | ||
338 | static int crypto_add_alg(struct sk_buff *skb, struct nlmsghdr *nlh, | |
339 | struct nlattr **attrs) | |
340 | { | |
0cfdec7a | 341 | int exact = 0; |
a38f7907 SK |
342 | const char *name; |
343 | struct crypto_alg *alg; | |
344 | struct crypto_user_alg *p = nlmsg_data(nlh); | |
345 | struct nlattr *priority = attrs[CRYPTOCFGA_PRIORITY_VAL]; | |
346 | ||
639b4ac6 | 347 | if (!netlink_capable(skb, CAP_NET_ADMIN)) |
c568398a MCO |
348 | return -EPERM; |
349 | ||
8fd61d34 MK |
350 | if (!null_terminated(p->cru_name) || !null_terminated(p->cru_driver_name)) |
351 | return -EINVAL; | |
352 | ||
a38f7907 SK |
353 | if (strlen(p->cru_driver_name)) |
354 | exact = 1; | |
355 | ||
356 | if (priority && !exact) | |
357 | return -EINVAL; | |
358 | ||
359 | alg = crypto_alg_match(p, exact); | |
016baaa1 HX |
360 | if (alg) { |
361 | crypto_mod_put(alg); | |
a38f7907 | 362 | return -EEXIST; |
016baaa1 | 363 | } |
a38f7907 SK |
364 | |
365 | if (strlen(p->cru_driver_name)) | |
366 | name = p->cru_driver_name; | |
367 | else | |
368 | name = p->cru_name; | |
369 | ||
6cf80a29 | 370 | alg = crypto_alg_mod_lookup(name, p->cru_type, p->cru_mask); |
a38f7907 SK |
371 | if (IS_ERR(alg)) |
372 | return PTR_ERR(alg); | |
373 | ||
374 | down_write(&crypto_alg_sem); | |
375 | ||
376 | if (priority) | |
377 | alg->cra_priority = nla_get_u32(priority); | |
378 | ||
379 | up_write(&crypto_alg_sem); | |
380 | ||
381 | crypto_mod_put(alg); | |
382 | ||
383 | return 0; | |
384 | } | |
385 | ||
9aa867e4 HX |
386 | static int crypto_del_rng(struct sk_buff *skb, struct nlmsghdr *nlh, |
387 | struct nlattr **attrs) | |
388 | { | |
389 | if (!netlink_capable(skb, CAP_NET_ADMIN)) | |
390 | return -EPERM; | |
391 | return crypto_del_default_rng(); | |
392 | } | |
393 | ||
a38f7907 SK |
394 | #define MSGSIZE(type) sizeof(struct type) |
395 | ||
396 | static const int crypto_msg_min[CRYPTO_NR_MSGTYPES] = { | |
397 | [CRYPTO_MSG_NEWALG - CRYPTO_MSG_BASE] = MSGSIZE(crypto_user_alg), | |
398 | [CRYPTO_MSG_DELALG - CRYPTO_MSG_BASE] = MSGSIZE(crypto_user_alg), | |
399 | [CRYPTO_MSG_UPDATEALG - CRYPTO_MSG_BASE] = MSGSIZE(crypto_user_alg), | |
055ddaac | 400 | [CRYPTO_MSG_GETALG - CRYPTO_MSG_BASE] = MSGSIZE(crypto_user_alg), |
9aa867e4 | 401 | [CRYPTO_MSG_DELRNG - CRYPTO_MSG_BASE] = 0, |
cac5818c | 402 | [CRYPTO_MSG_GETSTAT - CRYPTO_MSG_BASE] = MSGSIZE(crypto_user_alg), |
a38f7907 SK |
403 | }; |
404 | ||
405 | static const struct nla_policy crypto_policy[CRYPTOCFGA_MAX+1] = { | |
406 | [CRYPTOCFGA_PRIORITY_VAL] = { .type = NLA_U32}, | |
407 | }; | |
408 | ||
409 | #undef MSGSIZE | |
410 | ||
a84fb791 | 411 | static const struct crypto_link { |
a38f7907 SK |
412 | int (*doit)(struct sk_buff *, struct nlmsghdr *, struct nlattr **); |
413 | int (*dump)(struct sk_buff *, struct netlink_callback *); | |
414 | int (*done)(struct netlink_callback *); | |
415 | } crypto_dispatch[CRYPTO_NR_MSGTYPES] = { | |
416 | [CRYPTO_MSG_NEWALG - CRYPTO_MSG_BASE] = { .doit = crypto_add_alg}, | |
417 | [CRYPTO_MSG_DELALG - CRYPTO_MSG_BASE] = { .doit = crypto_del_alg}, | |
418 | [CRYPTO_MSG_UPDATEALG - CRYPTO_MSG_BASE] = { .doit = crypto_update_alg}, | |
419 | [CRYPTO_MSG_GETALG - CRYPTO_MSG_BASE] = { .doit = crypto_report, | |
420 | .dump = crypto_dump_report, | |
421 | .done = crypto_dump_report_done}, | |
9aa867e4 | 422 | [CRYPTO_MSG_DELRNG - CRYPTO_MSG_BASE] = { .doit = crypto_del_rng }, |
cac5818c CL |
423 | [CRYPTO_MSG_GETSTAT - CRYPTO_MSG_BASE] = { .doit = crypto_reportstat, |
424 | .dump = crypto_dump_reportstat, | |
425 | .done = crypto_dump_reportstat_done}, | |
a38f7907 SK |
426 | }; |
427 | ||
2d4bc933 JB |
428 | static int crypto_user_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh, |
429 | struct netlink_ext_ack *extack) | |
a38f7907 SK |
430 | { |
431 | struct nlattr *attrs[CRYPTOCFGA_MAX+1]; | |
a84fb791 | 432 | const struct crypto_link *link; |
a38f7907 SK |
433 | int type, err; |
434 | ||
435 | type = nlh->nlmsg_type; | |
436 | if (type > CRYPTO_MSG_MAX) | |
437 | return -EINVAL; | |
438 | ||
439 | type -= CRYPTO_MSG_BASE; | |
440 | link = &crypto_dispatch[type]; | |
441 | ||
a38f7907 SK |
442 | if ((type == (CRYPTO_MSG_GETALG - CRYPTO_MSG_BASE) && |
443 | (nlh->nlmsg_flags & NLM_F_DUMP))) { | |
5219a534 SK |
444 | struct crypto_alg *alg; |
445 | u16 dump_alloc = 0; | |
446 | ||
a38f7907 SK |
447 | if (link->dump == NULL) |
448 | return -EINVAL; | |
5219a534 | 449 | |
63e41ebc | 450 | down_read(&crypto_alg_sem); |
5219a534 SK |
451 | list_for_each_entry(alg, &crypto_alg_list, cra_list) |
452 | dump_alloc += CRYPTO_REPORT_MAXSIZE; | |
453 | ||
80d326fa PNA |
454 | { |
455 | struct netlink_dump_control c = { | |
456 | .dump = link->dump, | |
457 | .done = link->done, | |
5219a534 | 458 | .min_dump_alloc = dump_alloc, |
80d326fa | 459 | }; |
63e41ebc | 460 | err = netlink_dump_start(crypto_nlsk, skb, nlh, &c); |
80d326fa | 461 | } |
63e41ebc MK |
462 | up_read(&crypto_alg_sem); |
463 | ||
464 | return err; | |
a38f7907 SK |
465 | } |
466 | ||
fd2efd93 | 467 | err = nlmsg_parse(nlh, crypto_msg_min[type], attrs, CRYPTOCFGA_MAX, |
fe52145f | 468 | crypto_policy, extack); |
fd2efd93 HX |
469 | if (err < 0) |
470 | return err; | |
a38f7907 SK |
471 | |
472 | if (link->doit == NULL) | |
473 | return -EINVAL; | |
474 | ||
475 | return link->doit(skb, nlh, attrs); | |
476 | } | |
477 | ||
478 | static void crypto_netlink_rcv(struct sk_buff *skb) | |
479 | { | |
480 | mutex_lock(&crypto_cfg_mutex); | |
481 | netlink_rcv_skb(skb, &crypto_user_rcv_msg); | |
482 | mutex_unlock(&crypto_cfg_mutex); | |
483 | } | |
484 | ||
485 | static int __init crypto_user_init(void) | |
486 | { | |
a31f2d17 PNA |
487 | struct netlink_kernel_cfg cfg = { |
488 | .input = crypto_netlink_rcv, | |
489 | }; | |
490 | ||
9f00d977 | 491 | crypto_nlsk = netlink_kernel_create(&init_net, NETLINK_CRYPTO, &cfg); |
a38f7907 SK |
492 | if (!crypto_nlsk) |
493 | return -ENOMEM; | |
494 | ||
495 | return 0; | |
496 | } | |
497 | ||
498 | static void __exit crypto_user_exit(void) | |
499 | { | |
500 | netlink_kernel_release(crypto_nlsk); | |
501 | } | |
502 | ||
503 | module_init(crypto_user_init); | |
504 | module_exit(crypto_user_exit); | |
505 | MODULE_LICENSE("GPL"); | |
506 | MODULE_AUTHOR("Steffen Klassert <steffen.klassert@secunet.com>"); | |
507 | MODULE_DESCRIPTION("Crypto userspace configuration API"); | |
476c7fe2 | 508 | MODULE_ALIAS("net-pf-16-proto-21"); |