blob: 8c1d0ca412137f563ca6fdd1da2d35fbb80b15c8 [file] [log] [blame]
Thomas Gleixnera61127c2019-05-29 16:57:49 -07001// SPDX-License-Identifier: GPL-2.0-only
Steffen Klassert5068c7a2010-01-07 15:57:19 +11002/*
3 * pcrypt - Parallel crypto wrapper.
4 *
5 * Copyright (C) 2009 secunet Security Networks AG
6 * Copyright (C) 2009 Steffen Klassert <steffen.klassert@secunet.com>
Steffen Klassert5068c7a2010-01-07 15:57:19 +11007 */
8
9#include <crypto/algapi.h>
10#include <crypto/internal/aead.h>
Herbert Xua5a22e52015-05-22 20:34:22 +080011#include <linux/atomic.h>
Steffen Klassert5068c7a2010-01-07 15:57:19 +110012#include <linux/err.h>
13#include <linux/init.h>
14#include <linux/module.h>
15#include <linux/slab.h>
Dan Kruchinina3fb1e32010-07-14 14:34:15 +040016#include <linux/kobject.h>
Steffen Klassertd3f64e42010-07-27 07:18:46 +020017#include <linux/cpu.h>
Steffen Klassert5068c7a2010-01-07 15:57:19 +110018#include <crypto/pcrypt.h>
19
Daniel Jordan63d35782019-09-05 21:40:25 -040020static struct padata_instance *pencrypt;
21static struct padata_instance *pdecrypt;
Dan Kruchinina3fb1e32010-07-14 14:34:15 +040022static struct kset *pcrypt_kset;
Steffen Klassert5068c7a2010-01-07 15:57:19 +110023
24struct pcrypt_instance_ctx {
Herbert Xu66d948e2015-05-21 15:10:58 +080025 struct crypto_aead_spawn spawn;
Herbert Xubbefa1d2019-11-26 15:58:45 +080026 struct padata_shell *psenc;
27 struct padata_shell *psdec;
Herbert Xua5a22e52015-05-22 20:34:22 +080028 atomic_t tfm_count;
Steffen Klassert5068c7a2010-01-07 15:57:19 +110029};
30
31struct pcrypt_aead_ctx {
32 struct crypto_aead *child;
33 unsigned int cb_cpu;
34};
35
Herbert Xubbefa1d2019-11-26 15:58:45 +080036static inline struct pcrypt_instance_ctx *pcrypt_tfm_ictx(
37 struct crypto_aead *tfm)
38{
39 return aead_instance_ctx(aead_alg_instance(tfm));
40}
41
Steffen Klassert5068c7a2010-01-07 15:57:19 +110042static int pcrypt_aead_setkey(struct crypto_aead *parent,
43 const u8 *key, unsigned int keylen)
44{
45 struct pcrypt_aead_ctx *ctx = crypto_aead_ctx(parent);
46
47 return crypto_aead_setkey(ctx->child, key, keylen);
48}
49
50static int pcrypt_aead_setauthsize(struct crypto_aead *parent,
51 unsigned int authsize)
52{
53 struct pcrypt_aead_ctx *ctx = crypto_aead_ctx(parent);
54
55 return crypto_aead_setauthsize(ctx->child, authsize);
56}
57
58static void pcrypt_aead_serial(struct padata_priv *padata)
59{
60 struct pcrypt_request *preq = pcrypt_padata_request(padata);
61 struct aead_request *req = pcrypt_request_ctx(preq);
62
63 aead_request_complete(req->base.data, padata->info);
64}
65
Herbert Xu255e48e2023-02-08 13:58:44 +080066static void pcrypt_aead_done(void *data, int err)
Steffen Klassert5068c7a2010-01-07 15:57:19 +110067{
Herbert Xu255e48e2023-02-08 13:58:44 +080068 struct aead_request *req = data;
Steffen Klassert5068c7a2010-01-07 15:57:19 +110069 struct pcrypt_request *preq = aead_request_ctx(req);
70 struct padata_priv *padata = pcrypt_request_padata(preq);
71
72 padata->info = err;
Steffen Klassert5068c7a2010-01-07 15:57:19 +110073
74 padata_do_serial(padata);
75}
76
77static void pcrypt_aead_enc(struct padata_priv *padata)
78{
79 struct pcrypt_request *preq = pcrypt_padata_request(padata);
80 struct aead_request *req = pcrypt_request_ctx(preq);
Daniel Jordan68b6dea2021-10-21 14:30:28 -040081 int ret;
Steffen Klassert5068c7a2010-01-07 15:57:19 +110082
Daniel Jordan68b6dea2021-10-21 14:30:28 -040083 ret = crypto_aead_encrypt(req);
Steffen Klassert5068c7a2010-01-07 15:57:19 +110084
Daniel Jordan68b6dea2021-10-21 14:30:28 -040085 if (ret == -EINPROGRESS)
Steffen Klassert5068c7a2010-01-07 15:57:19 +110086 return;
87
Daniel Jordan68b6dea2021-10-21 14:30:28 -040088 padata->info = ret;
Steffen Klassert5068c7a2010-01-07 15:57:19 +110089 padata_do_serial(padata);
90}
91
92static int pcrypt_aead_encrypt(struct aead_request *req)
93{
94 int err;
95 struct pcrypt_request *preq = aead_request_ctx(req);
96 struct aead_request *creq = pcrypt_request_ctx(preq);
97 struct padata_priv *padata = pcrypt_request_padata(preq);
98 struct crypto_aead *aead = crypto_aead_reqtfm(req);
99 struct pcrypt_aead_ctx *ctx = crypto_aead_ctx(aead);
100 u32 flags = aead_request_flags(req);
Herbert Xubbefa1d2019-11-26 15:58:45 +0800101 struct pcrypt_instance_ctx *ictx;
102
103 ictx = pcrypt_tfm_ictx(aead);
Steffen Klassert5068c7a2010-01-07 15:57:19 +1100104
105 memset(padata, 0, sizeof(struct padata_priv));
106
107 padata->parallel = pcrypt_aead_enc;
108 padata->serial = pcrypt_aead_serial;
109
110 aead_request_set_tfm(creq, ctx->child);
111 aead_request_set_callback(creq, flags & ~CRYPTO_TFM_REQ_MAY_SLEEP,
112 pcrypt_aead_done, req);
113 aead_request_set_crypt(creq, req->src, req->dst,
114 req->cryptlen, req->iv);
Herbert Xu0496f562015-05-28 22:08:00 +0800115 aead_request_set_ad(creq, req->assoclen);
Steffen Klassert5068c7a2010-01-07 15:57:19 +1100116
Herbert Xubbefa1d2019-11-26 15:58:45 +0800117 err = padata_do_parallel(ictx->psenc, padata, &ctx->cb_cpu);
Steffen Klassert83f619f2010-07-07 15:32:02 +0200118 if (!err)
119 return -EINPROGRESS;
Steffen Klassert5068c7a2010-01-07 15:57:19 +1100120
121 return err;
122}
123
124static void pcrypt_aead_dec(struct padata_priv *padata)
125{
126 struct pcrypt_request *preq = pcrypt_padata_request(padata);
127 struct aead_request *req = pcrypt_request_ctx(preq);
Daniel Jordan68b6dea2021-10-21 14:30:28 -0400128 int ret;
Steffen Klassert5068c7a2010-01-07 15:57:19 +1100129
Daniel Jordan68b6dea2021-10-21 14:30:28 -0400130 ret = crypto_aead_decrypt(req);
Steffen Klassert5068c7a2010-01-07 15:57:19 +1100131
Daniel Jordan68b6dea2021-10-21 14:30:28 -0400132 if (ret == -EINPROGRESS)
Steffen Klassert5068c7a2010-01-07 15:57:19 +1100133 return;
134
Daniel Jordan68b6dea2021-10-21 14:30:28 -0400135 padata->info = ret;
Steffen Klassert5068c7a2010-01-07 15:57:19 +1100136 padata_do_serial(padata);
137}
138
139static int pcrypt_aead_decrypt(struct aead_request *req)
140{
141 int err;
142 struct pcrypt_request *preq = aead_request_ctx(req);
143 struct aead_request *creq = pcrypt_request_ctx(preq);
144 struct padata_priv *padata = pcrypt_request_padata(preq);
145 struct crypto_aead *aead = crypto_aead_reqtfm(req);
146 struct pcrypt_aead_ctx *ctx = crypto_aead_ctx(aead);
147 u32 flags = aead_request_flags(req);
Herbert Xubbefa1d2019-11-26 15:58:45 +0800148 struct pcrypt_instance_ctx *ictx;
149
150 ictx = pcrypt_tfm_ictx(aead);
Steffen Klassert5068c7a2010-01-07 15:57:19 +1100151
152 memset(padata, 0, sizeof(struct padata_priv));
153
154 padata->parallel = pcrypt_aead_dec;
155 padata->serial = pcrypt_aead_serial;
156
157 aead_request_set_tfm(creq, ctx->child);
158 aead_request_set_callback(creq, flags & ~CRYPTO_TFM_REQ_MAY_SLEEP,
159 pcrypt_aead_done, req);
160 aead_request_set_crypt(creq, req->src, req->dst,
161 req->cryptlen, req->iv);
Herbert Xu0496f562015-05-28 22:08:00 +0800162 aead_request_set_ad(creq, req->assoclen);
Steffen Klassert5068c7a2010-01-07 15:57:19 +1100163
Herbert Xubbefa1d2019-11-26 15:58:45 +0800164 err = padata_do_parallel(ictx->psdec, padata, &ctx->cb_cpu);
Steffen Klassert83f619f2010-07-07 15:32:02 +0200165 if (!err)
166 return -EINPROGRESS;
Steffen Klassert5068c7a2010-01-07 15:57:19 +1100167
168 return err;
169}
170
Herbert Xu0496f562015-05-28 22:08:00 +0800171static int pcrypt_aead_init_tfm(struct crypto_aead *tfm)
Steffen Klassert5068c7a2010-01-07 15:57:19 +1100172{
173 int cpu, cpu_index;
Herbert Xu0496f562015-05-28 22:08:00 +0800174 struct aead_instance *inst = aead_alg_instance(tfm);
175 struct pcrypt_instance_ctx *ictx = aead_instance_ctx(inst);
176 struct pcrypt_aead_ctx *ctx = crypto_aead_ctx(tfm);
Steffen Klassert5068c7a2010-01-07 15:57:19 +1100177 struct crypto_aead *cipher;
178
Herbert Xua5a22e52015-05-22 20:34:22 +0800179 cpu_index = (unsigned int)atomic_inc_return(&ictx->tfm_count) %
180 cpumask_weight(cpu_online_mask);
Steffen Klassert5068c7a2010-01-07 15:57:19 +1100181
Steffen Klassertfbf0ca12012-03-28 08:51:03 +0200182 ctx->cb_cpu = cpumask_first(cpu_online_mask);
Steffen Klassert5068c7a2010-01-07 15:57:19 +1100183 for (cpu = 0; cpu < cpu_index; cpu++)
Steffen Klassertfbf0ca12012-03-28 08:51:03 +0200184 ctx->cb_cpu = cpumask_next(ctx->cb_cpu, cpu_online_mask);
Steffen Klassert5068c7a2010-01-07 15:57:19 +1100185
Herbert Xu0496f562015-05-28 22:08:00 +0800186 cipher = crypto_spawn_aead(&ictx->spawn);
Steffen Klassert5068c7a2010-01-07 15:57:19 +1100187
188 if (IS_ERR(cipher))
189 return PTR_ERR(cipher);
190
191 ctx->child = cipher;
Herbert Xu0496f562015-05-28 22:08:00 +0800192 crypto_aead_set_reqsize(tfm, sizeof(struct pcrypt_request) +
193 sizeof(struct aead_request) +
194 crypto_aead_reqsize(cipher));
Steffen Klassert5068c7a2010-01-07 15:57:19 +1100195
196 return 0;
197}
198
Herbert Xu0496f562015-05-28 22:08:00 +0800199static void pcrypt_aead_exit_tfm(struct crypto_aead *tfm)
Steffen Klassert5068c7a2010-01-07 15:57:19 +1100200{
Herbert Xu0496f562015-05-28 22:08:00 +0800201 struct pcrypt_aead_ctx *ctx = crypto_aead_ctx(tfm);
Steffen Klassert5068c7a2010-01-07 15:57:19 +1100202
203 crypto_free_aead(ctx->child);
204}
205
Eric Biggersd76c6812017-12-20 14:28:25 -0800206static void pcrypt_free(struct aead_instance *inst)
207{
208 struct pcrypt_instance_ctx *ctx = aead_instance_ctx(inst);
209
210 crypto_drop_aead(&ctx->spawn);
Herbert Xubbefa1d2019-11-26 15:58:45 +0800211 padata_free_shell(ctx->psdec);
212 padata_free_shell(ctx->psenc);
Eric Biggersd76c6812017-12-20 14:28:25 -0800213 kfree(inst);
214}
215
Herbert Xu66d948e2015-05-21 15:10:58 +0800216static int pcrypt_init_instance(struct crypto_instance *inst,
217 struct crypto_alg *alg)
Steffen Klassert5068c7a2010-01-07 15:57:19 +1100218{
Steffen Klassert5068c7a2010-01-07 15:57:19 +1100219 if (snprintf(inst->alg.cra_driver_name, CRYPTO_MAX_ALG_NAME,
220 "pcrypt(%s)", alg->cra_driver_name) >= CRYPTO_MAX_ALG_NAME)
Herbert Xu66d948e2015-05-21 15:10:58 +0800221 return -ENAMETOOLONG;
Steffen Klassert5068c7a2010-01-07 15:57:19 +1100222
223 memcpy(inst->alg.cra_name, alg->cra_name, CRYPTO_MAX_ALG_NAME);
224
Steffen Klassert5068c7a2010-01-07 15:57:19 +1100225 inst->alg.cra_priority = alg->cra_priority + 100;
226 inst->alg.cra_blocksize = alg->cra_blocksize;
227 inst->alg.cra_alignmask = alg->cra_alignmask;
228
Herbert Xu66d948e2015-05-21 15:10:58 +0800229 return 0;
Steffen Klassert5068c7a2010-01-07 15:57:19 +1100230}
231
Herbert Xu0496f562015-05-28 22:08:00 +0800232static int pcrypt_create_aead(struct crypto_template *tmpl, struct rtattr **tb,
Eric Biggers7bcb2c92020-07-09 23:20:38 -0700233 struct crypto_attr_type *algt)
Steffen Klassert5068c7a2010-01-07 15:57:19 +1100234{
Herbert Xu66d948e2015-05-21 15:10:58 +0800235 struct pcrypt_instance_ctx *ctx;
Herbert Xu0496f562015-05-28 22:08:00 +0800236 struct aead_instance *inst;
237 struct aead_alg *alg;
Eric Biggers7bcb2c92020-07-09 23:20:38 -0700238 u32 mask = crypto_algt_inherited_mask(algt);
Herbert Xu66d948e2015-05-21 15:10:58 +0800239 int err;
Steffen Klassert5068c7a2010-01-07 15:57:19 +1100240
Herbert Xu66d948e2015-05-21 15:10:58 +0800241 inst = kzalloc(sizeof(*inst) + sizeof(*ctx), GFP_KERNEL);
242 if (!inst)
Herbert Xu0496f562015-05-28 22:08:00 +0800243 return -ENOMEM;
Herbert Xu66d948e2015-05-21 15:10:58 +0800244
Herbert Xubbefa1d2019-11-26 15:58:45 +0800245 err = -ENOMEM;
246
Herbert Xu0496f562015-05-28 22:08:00 +0800247 ctx = aead_instance_ctx(inst);
Herbert Xubbefa1d2019-11-26 15:58:45 +0800248 ctx->psenc = padata_alloc_shell(pencrypt);
249 if (!ctx->psenc)
Eric Biggers07b24c72020-02-25 20:59:22 -0800250 goto err_free_inst;
Herbert Xubbefa1d2019-11-26 15:58:45 +0800251
252 ctx->psdec = padata_alloc_shell(pdecrypt);
253 if (!ctx->psdec)
Eric Biggers07b24c72020-02-25 20:59:22 -0800254 goto err_free_inst;
Herbert Xubbefa1d2019-11-26 15:58:45 +0800255
Eric Biggerscd900f02020-01-02 19:58:46 -0800256 err = crypto_grab_aead(&ctx->spawn, aead_crypto_instance(inst),
Eric Biggers7bcb2c92020-07-09 23:20:38 -0700257 crypto_attr_alg_name(tb[1]), 0, mask);
Herbert Xu66d948e2015-05-21 15:10:58 +0800258 if (err)
Eric Biggers07b24c72020-02-25 20:59:22 -0800259 goto err_free_inst;
Herbert Xu66d948e2015-05-21 15:10:58 +0800260
Herbert Xu0496f562015-05-28 22:08:00 +0800261 alg = crypto_spawn_aead_alg(&ctx->spawn);
262 err = pcrypt_init_instance(aead_crypto_instance(inst), &alg->base);
Herbert Xu66d948e2015-05-21 15:10:58 +0800263 if (err)
Eric Biggers07b24c72020-02-25 20:59:22 -0800264 goto err_free_inst;
Steffen Klassert5068c7a2010-01-07 15:57:19 +1100265
Eric Biggers7bcb2c92020-07-09 23:20:38 -0700266 inst->alg.base.cra_flags |= CRYPTO_ALG_ASYNC;
Herbert Xu846f97d2015-07-09 07:17:18 +0800267
Herbert Xu0496f562015-05-28 22:08:00 +0800268 inst->alg.ivsize = crypto_aead_alg_ivsize(alg);
269 inst->alg.maxauthsize = crypto_aead_alg_maxauthsize(alg);
Steffen Klassert5068c7a2010-01-07 15:57:19 +1100270
Herbert Xu0496f562015-05-28 22:08:00 +0800271 inst->alg.base.cra_ctxsize = sizeof(struct pcrypt_aead_ctx);
Steffen Klassert5068c7a2010-01-07 15:57:19 +1100272
Herbert Xu0496f562015-05-28 22:08:00 +0800273 inst->alg.init = pcrypt_aead_init_tfm;
274 inst->alg.exit = pcrypt_aead_exit_tfm;
Steffen Klassert5068c7a2010-01-07 15:57:19 +1100275
Herbert Xu0496f562015-05-28 22:08:00 +0800276 inst->alg.setkey = pcrypt_aead_setkey;
277 inst->alg.setauthsize = pcrypt_aead_setauthsize;
278 inst->alg.encrypt = pcrypt_aead_encrypt;
279 inst->alg.decrypt = pcrypt_aead_decrypt;
Steffen Klassert5068c7a2010-01-07 15:57:19 +1100280
Eric Biggersd76c6812017-12-20 14:28:25 -0800281 inst->free = pcrypt_free;
282
Herbert Xu0496f562015-05-28 22:08:00 +0800283 err = aead_register_instance(tmpl, inst);
Eric Biggers07b24c72020-02-25 20:59:22 -0800284 if (err) {
285err_free_inst:
286 pcrypt_free(inst);
287 }
Herbert Xu0496f562015-05-28 22:08:00 +0800288 return err;
Steffen Klassert5068c7a2010-01-07 15:57:19 +1100289}
290
Herbert Xu0496f562015-05-28 22:08:00 +0800291static int pcrypt_create(struct crypto_template *tmpl, struct rtattr **tb)
Steffen Klassert5068c7a2010-01-07 15:57:19 +1100292{
293 struct crypto_attr_type *algt;
294
295 algt = crypto_get_attr_type(tb);
296 if (IS_ERR(algt))
Herbert Xu0496f562015-05-28 22:08:00 +0800297 return PTR_ERR(algt);
Steffen Klassert5068c7a2010-01-07 15:57:19 +1100298
299 switch (algt->type & algt->mask & CRYPTO_ALG_TYPE_MASK) {
300 case CRYPTO_ALG_TYPE_AEAD:
Eric Biggers7bcb2c92020-07-09 23:20:38 -0700301 return pcrypt_create_aead(tmpl, tb, algt);
Steffen Klassert5068c7a2010-01-07 15:57:19 +1100302 }
303
Herbert Xu0496f562015-05-28 22:08:00 +0800304 return -EINVAL;
Steffen Klassert5068c7a2010-01-07 15:57:19 +1100305}
306
Dan Kruchinina3fb1e32010-07-14 14:34:15 +0400307static int pcrypt_sysfs_add(struct padata_instance *pinst, const char *name)
308{
309 int ret;
310
311 pinst->kobj.kset = pcrypt_kset;
Colin Ian Kingb1e38742018-10-27 15:49:26 +0100312 ret = kobject_add(&pinst->kobj, NULL, "%s", name);
Dan Kruchinina3fb1e32010-07-14 14:34:15 +0400313 if (!ret)
314 kobject_uevent(&pinst->kobj, KOBJ_ADD);
315
316 return ret;
317}
318
Daniel Jordan63d35782019-09-05 21:40:25 -0400319static int pcrypt_init_padata(struct padata_instance **pinst, const char *name)
Dan Kruchinine15bacb2010-07-14 14:31:57 +0400320{
321 int ret = -ENOMEM;
Dan Kruchinine15bacb2010-07-14 14:31:57 +0400322
Daniel Jordan3f257192020-07-14 16:13:55 -0400323 *pinst = padata_alloc(name);
Daniel Jordan63d35782019-09-05 21:40:25 -0400324 if (!*pinst)
325 return ret;
Dan Kruchinine15bacb2010-07-14 14:31:57 +0400326
Daniel Jordan63d35782019-09-05 21:40:25 -0400327 ret = pcrypt_sysfs_add(*pinst, name);
Dan Kruchinine15bacb2010-07-14 14:31:57 +0400328 if (ret)
Daniel Jordan63d35782019-09-05 21:40:25 -0400329 padata_free(*pinst);
Dan Kruchinine15bacb2010-07-14 14:31:57 +0400330
Dan Kruchinine15bacb2010-07-14 14:31:57 +0400331 return ret;
332}
333
Steffen Klassert5068c7a2010-01-07 15:57:19 +1100334static struct crypto_template pcrypt_tmpl = {
335 .name = "pcrypt",
Herbert Xu0496f562015-05-28 22:08:00 +0800336 .create = pcrypt_create,
Steffen Klassert5068c7a2010-01-07 15:57:19 +1100337 .module = THIS_MODULE,
338};
339
340static int __init pcrypt_init(void)
341{
Dan Kruchinina3fb1e32010-07-14 14:34:15 +0400342 int err = -ENOMEM;
343
344 pcrypt_kset = kset_create_and_add("pcrypt", NULL, kernel_kobj);
345 if (!pcrypt_kset)
346 goto err;
Dan Kruchinine15bacb2010-07-14 14:31:57 +0400347
Steffen Klassertc57e8422010-07-27 07:16:33 +0200348 err = pcrypt_init_padata(&pencrypt, "pencrypt");
Dan Kruchinine15bacb2010-07-14 14:31:57 +0400349 if (err)
Dan Kruchinina3fb1e32010-07-14 14:34:15 +0400350 goto err_unreg_kset;
Steffen Klassert5068c7a2010-01-07 15:57:19 +1100351
Steffen Klassertc57e8422010-07-27 07:16:33 +0200352 err = pcrypt_init_padata(&pdecrypt, "pdecrypt");
Steffen Klassert4c879172010-07-07 15:30:10 +0200353 if (err)
Dan Kruchinine15bacb2010-07-14 14:31:57 +0400354 goto err_deinit_pencrypt;
Steffen Klassert4c879172010-07-07 15:30:10 +0200355
Steffen Klassert5068c7a2010-01-07 15:57:19 +1100356 return crypto_register_template(&pcrypt_tmpl);
357
Dan Kruchinine15bacb2010-07-14 14:31:57 +0400358err_deinit_pencrypt:
Daniel Jordan350ef052020-07-14 16:13:52 -0400359 padata_free(pencrypt);
Dan Kruchinina3fb1e32010-07-14 14:34:15 +0400360err_unreg_kset:
361 kset_unregister(pcrypt_kset);
Steffen Klassert5068c7a2010-01-07 15:57:19 +1100362err:
Steffen Klassert4c879172010-07-07 15:30:10 +0200363 return err;
Steffen Klassert5068c7a2010-01-07 15:57:19 +1100364}
365
366static void __exit pcrypt_exit(void)
367{
Herbert Xu07bfd9b2019-11-19 17:41:31 +0800368 crypto_unregister_template(&pcrypt_tmpl);
369
Daniel Jordan350ef052020-07-14 16:13:52 -0400370 padata_free(pencrypt);
371 padata_free(pdecrypt);
Steffen Klassert5068c7a2010-01-07 15:57:19 +1100372
Dan Kruchinina3fb1e32010-07-14 14:34:15 +0400373 kset_unregister(pcrypt_kset);
Steffen Klassert5068c7a2010-01-07 15:57:19 +1100374}
375
Eric Biggersc4741b22019-04-11 21:57:42 -0700376subsys_initcall(pcrypt_init);
Steffen Klassert5068c7a2010-01-07 15:57:19 +1100377module_exit(pcrypt_exit);
378
379MODULE_LICENSE("GPL");
380MODULE_AUTHOR("Steffen Klassert <steffen.klassert@secunet.com>");
381MODULE_DESCRIPTION("Parallel crypto wrapper");
Kees Cook4943ba12014-11-24 16:32:38 -0800382MODULE_ALIAS_CRYPTO("pcrypt");