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17#include <crypto/algapi.h>
18#include <linux/init.h>
19#include <linux/module.h>
20
21#include "crypt_s390.h"
22#include "crypto_des.h"
23
24#define DES_BLOCK_SIZE 8
25#define DES_KEY_SIZE 8
26
27#define DES3_128_KEY_SIZE (2 * DES_KEY_SIZE)
28#define DES3_128_BLOCK_SIZE DES_BLOCK_SIZE
29
30#define DES3_192_KEY_SIZE (3 * DES_KEY_SIZE)
31#define DES3_192_BLOCK_SIZE DES_BLOCK_SIZE
32
33struct crypt_s390_des_ctx {
34 u8 iv[DES_BLOCK_SIZE];
35 u8 key[DES_KEY_SIZE];
36};
37
38struct crypt_s390_des3_128_ctx {
39 u8 iv[DES_BLOCK_SIZE];
40 u8 key[DES3_128_KEY_SIZE];
41};
42
43struct crypt_s390_des3_192_ctx {
44 u8 iv[DES_BLOCK_SIZE];
45 u8 key[DES3_192_KEY_SIZE];
46};
47
48static int des_setkey(struct crypto_tfm *tfm, const u8 *key,
49 unsigned int keylen)
50{
51 struct crypt_s390_des_ctx *dctx = crypto_tfm_ctx(tfm);
52 u32 *flags = &tfm->crt_flags;
53 int ret;
54
55
56 ret = crypto_des_check_key(key, keylen, flags);
57 if (ret == 0)
58 memcpy(dctx->key, key, keylen);
59 return ret;
60}
61
62static void des_encrypt(struct crypto_tfm *tfm, u8 *out, const u8 *in)
63{
64 struct crypt_s390_des_ctx *dctx = crypto_tfm_ctx(tfm);
65
66 crypt_s390_km(KM_DEA_ENCRYPT, dctx->key, out, in, DES_BLOCK_SIZE);
67}
68
69static void des_decrypt(struct crypto_tfm *tfm, u8 *out, const u8 *in)
70{
71 struct crypt_s390_des_ctx *dctx = crypto_tfm_ctx(tfm);
72
73 crypt_s390_km(KM_DEA_DECRYPT, dctx->key, out, in, DES_BLOCK_SIZE);
74}
75
76static struct crypto_alg des_alg = {
77 .cra_name = "des",
78 .cra_driver_name = "des-s390",
79 .cra_priority = CRYPT_S390_PRIORITY,
80 .cra_flags = CRYPTO_ALG_TYPE_CIPHER,
81 .cra_blocksize = DES_BLOCK_SIZE,
82 .cra_ctxsize = sizeof(struct crypt_s390_des_ctx),
83 .cra_module = THIS_MODULE,
84 .cra_list = LIST_HEAD_INIT(des_alg.cra_list),
85 .cra_u = {
86 .cipher = {
87 .cia_min_keysize = DES_KEY_SIZE,
88 .cia_max_keysize = DES_KEY_SIZE,
89 .cia_setkey = des_setkey,
90 .cia_encrypt = des_encrypt,
91 .cia_decrypt = des_decrypt,
92 }
93 }
94};
95
96static int ecb_desall_crypt(struct blkcipher_desc *desc, long func,
97 void *param, struct blkcipher_walk *walk)
98{
99 int ret = blkcipher_walk_virt(desc, walk);
100 unsigned int nbytes;
101
102 while ((nbytes = walk->nbytes)) {
103
104 unsigned int n = nbytes & ~(DES_BLOCK_SIZE - 1);
105 u8 *out = walk->dst.virt.addr;
106 u8 *in = walk->src.virt.addr;
107
108 ret = crypt_s390_km(func, param, out, in, n);
109 BUG_ON((ret < 0) || (ret != n));
110
111 nbytes &= DES_BLOCK_SIZE - 1;
112 ret = blkcipher_walk_done(desc, walk, nbytes);
113 }
114
115 return ret;
116}
117
118static int cbc_desall_crypt(struct blkcipher_desc *desc, long func,
119 void *param, struct blkcipher_walk *walk)
120{
121 int ret = blkcipher_walk_virt(desc, walk);
122 unsigned int nbytes = walk->nbytes;
123
124 if (!nbytes)
125 goto out;
126
127 memcpy(param, walk->iv, DES_BLOCK_SIZE);
128 do {
129
130 unsigned int n = nbytes & ~(DES_BLOCK_SIZE - 1);
131 u8 *out = walk->dst.virt.addr;
132 u8 *in = walk->src.virt.addr;
133
134 ret = crypt_s390_kmc(func, param, out, in, n);
135 BUG_ON((ret < 0) || (ret != n));
136
137 nbytes &= DES_BLOCK_SIZE - 1;
138 ret = blkcipher_walk_done(desc, walk, nbytes);
139 } while ((nbytes = walk->nbytes));
140 memcpy(walk->iv, param, DES_BLOCK_SIZE);
141
142out:
143 return ret;
144}
145
146static int ecb_des_encrypt(struct blkcipher_desc *desc,
147 struct scatterlist *dst, struct scatterlist *src,
148 unsigned int nbytes)
149{
150 struct crypt_s390_des_ctx *sctx = crypto_blkcipher_ctx(desc->tfm);
151 struct blkcipher_walk walk;
152
153 blkcipher_walk_init(&walk, dst, src, nbytes);
154 return ecb_desall_crypt(desc, KM_DEA_ENCRYPT, sctx->key, &walk);
155}
156
157static int ecb_des_decrypt(struct blkcipher_desc *desc,
158 struct scatterlist *dst, struct scatterlist *src,
159 unsigned int nbytes)
160{
161 struct crypt_s390_des_ctx *sctx = crypto_blkcipher_ctx(desc->tfm);
162 struct blkcipher_walk walk;
163
164 blkcipher_walk_init(&walk, dst, src, nbytes);
165 return ecb_desall_crypt(desc, KM_DEA_DECRYPT, sctx->key, &walk);
166}
167
168static struct crypto_alg ecb_des_alg = {
169 .cra_name = "ecb(des)",
170 .cra_driver_name = "ecb-des-s390",
171 .cra_priority = CRYPT_S390_COMPOSITE_PRIORITY,
172 .cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER,
173 .cra_blocksize = DES_BLOCK_SIZE,
174 .cra_ctxsize = sizeof(struct crypt_s390_des_ctx),
175 .cra_type = &crypto_blkcipher_type,
176 .cra_module = THIS_MODULE,
177 .cra_list = LIST_HEAD_INIT(ecb_des_alg.cra_list),
178 .cra_u = {
179 .blkcipher = {
180 .min_keysize = DES_KEY_SIZE,
181 .max_keysize = DES_KEY_SIZE,
182 .setkey = des_setkey,
183 .encrypt = ecb_des_encrypt,
184 .decrypt = ecb_des_decrypt,
185 }
186 }
187};
188
189static int cbc_des_encrypt(struct blkcipher_desc *desc,
190 struct scatterlist *dst, struct scatterlist *src,
191 unsigned int nbytes)
192{
193 struct crypt_s390_des_ctx *sctx = crypto_blkcipher_ctx(desc->tfm);
194 struct blkcipher_walk walk;
195
196 blkcipher_walk_init(&walk, dst, src, nbytes);
197 return cbc_desall_crypt(desc, KMC_DEA_ENCRYPT, sctx->iv, &walk);
198}
199
200static int cbc_des_decrypt(struct blkcipher_desc *desc,
201 struct scatterlist *dst, struct scatterlist *src,
202 unsigned int nbytes)
203{
204 struct crypt_s390_des_ctx *sctx = crypto_blkcipher_ctx(desc->tfm);
205 struct blkcipher_walk walk;
206
207 blkcipher_walk_init(&walk, dst, src, nbytes);
208 return cbc_desall_crypt(desc, KMC_DEA_DECRYPT, sctx->iv, &walk);
209}
210
211static struct crypto_alg cbc_des_alg = {
212 .cra_name = "cbc(des)",
213 .cra_driver_name = "cbc-des-s390",
214 .cra_priority = CRYPT_S390_COMPOSITE_PRIORITY,
215 .cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER,
216 .cra_blocksize = DES_BLOCK_SIZE,
217 .cra_ctxsize = sizeof(struct crypt_s390_des_ctx),
218 .cra_type = &crypto_blkcipher_type,
219 .cra_module = THIS_MODULE,
220 .cra_list = LIST_HEAD_INIT(cbc_des_alg.cra_list),
221 .cra_u = {
222 .blkcipher = {
223 .min_keysize = DES_KEY_SIZE,
224 .max_keysize = DES_KEY_SIZE,
225 .ivsize = DES_BLOCK_SIZE,
226 .setkey = des_setkey,
227 .encrypt = cbc_des_encrypt,
228 .decrypt = cbc_des_decrypt,
229 }
230 }
231};
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244
245static int des3_128_setkey(struct crypto_tfm *tfm, const u8 *key,
246 unsigned int keylen)
247{
248 int i, ret;
249 struct crypt_s390_des3_128_ctx *dctx = crypto_tfm_ctx(tfm);
250 const u8 *temp_key = key;
251 u32 *flags = &tfm->crt_flags;
252
253 if (!(memcmp(key, &key[DES_KEY_SIZE], DES_KEY_SIZE)) &&
254 (*flags & CRYPTO_TFM_REQ_WEAK_KEY)) {
255 *flags |= CRYPTO_TFM_RES_WEAK_KEY;
256 return -EINVAL;
257 }
258 for (i = 0; i < 2; i++, temp_key += DES_KEY_SIZE) {
259 ret = crypto_des_check_key(temp_key, DES_KEY_SIZE, flags);
260 if (ret < 0)
261 return ret;
262 }
263 memcpy(dctx->key, key, keylen);
264 return 0;
265}
266
267static void des3_128_encrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src)
268{
269 struct crypt_s390_des3_128_ctx *dctx = crypto_tfm_ctx(tfm);
270
271 crypt_s390_km(KM_TDEA_128_ENCRYPT, dctx->key, dst, (void*)src,
272 DES3_128_BLOCK_SIZE);
273}
274
275static void des3_128_decrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src)
276{
277 struct crypt_s390_des3_128_ctx *dctx = crypto_tfm_ctx(tfm);
278
279 crypt_s390_km(KM_TDEA_128_DECRYPT, dctx->key, dst, (void*)src,
280 DES3_128_BLOCK_SIZE);
281}
282
283static struct crypto_alg des3_128_alg = {
284 .cra_name = "des3_ede128",
285 .cra_driver_name = "des3_ede128-s390",
286 .cra_priority = CRYPT_S390_PRIORITY,
287 .cra_flags = CRYPTO_ALG_TYPE_CIPHER,
288 .cra_blocksize = DES3_128_BLOCK_SIZE,
289 .cra_ctxsize = sizeof(struct crypt_s390_des3_128_ctx),
290 .cra_module = THIS_MODULE,
291 .cra_list = LIST_HEAD_INIT(des3_128_alg.cra_list),
292 .cra_u = {
293 .cipher = {
294 .cia_min_keysize = DES3_128_KEY_SIZE,
295 .cia_max_keysize = DES3_128_KEY_SIZE,
296 .cia_setkey = des3_128_setkey,
297 .cia_encrypt = des3_128_encrypt,
298 .cia_decrypt = des3_128_decrypt,
299 }
300 }
301};
302
303static int ecb_des3_128_encrypt(struct blkcipher_desc *desc,
304 struct scatterlist *dst,
305 struct scatterlist *src, unsigned int nbytes)
306{
307 struct crypt_s390_des3_128_ctx *sctx = crypto_blkcipher_ctx(desc->tfm);
308 struct blkcipher_walk walk;
309
310 blkcipher_walk_init(&walk, dst, src, nbytes);
311 return ecb_desall_crypt(desc, KM_TDEA_128_ENCRYPT, sctx->key, &walk);
312}
313
314static int ecb_des3_128_decrypt(struct blkcipher_desc *desc,
315 struct scatterlist *dst,
316 struct scatterlist *src, unsigned int nbytes)
317{
318 struct crypt_s390_des3_128_ctx *sctx = crypto_blkcipher_ctx(desc->tfm);
319 struct blkcipher_walk walk;
320
321 blkcipher_walk_init(&walk, dst, src, nbytes);
322 return ecb_desall_crypt(desc, KM_TDEA_128_DECRYPT, sctx->key, &walk);
323}
324
325static struct crypto_alg ecb_des3_128_alg = {
326 .cra_name = "ecb(des3_ede128)",
327 .cra_driver_name = "ecb-des3_ede128-s390",
328 .cra_priority = CRYPT_S390_COMPOSITE_PRIORITY,
329 .cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER,
330 .cra_blocksize = DES3_128_BLOCK_SIZE,
331 .cra_ctxsize = sizeof(struct crypt_s390_des3_128_ctx),
332 .cra_type = &crypto_blkcipher_type,
333 .cra_module = THIS_MODULE,
334 .cra_list = LIST_HEAD_INIT(
335 ecb_des3_128_alg.cra_list),
336 .cra_u = {
337 .blkcipher = {
338 .min_keysize = DES3_128_KEY_SIZE,
339 .max_keysize = DES3_128_KEY_SIZE,
340 .setkey = des3_128_setkey,
341 .encrypt = ecb_des3_128_encrypt,
342 .decrypt = ecb_des3_128_decrypt,
343 }
344 }
345};
346
347static int cbc_des3_128_encrypt(struct blkcipher_desc *desc,
348 struct scatterlist *dst,
349 struct scatterlist *src, unsigned int nbytes)
350{
351 struct crypt_s390_des3_128_ctx *sctx = crypto_blkcipher_ctx(desc->tfm);
352 struct blkcipher_walk walk;
353
354 blkcipher_walk_init(&walk, dst, src, nbytes);
355 return cbc_desall_crypt(desc, KMC_TDEA_128_ENCRYPT, sctx->iv, &walk);
356}
357
358static int cbc_des3_128_decrypt(struct blkcipher_desc *desc,
359 struct scatterlist *dst,
360 struct scatterlist *src, unsigned int nbytes)
361{
362 struct crypt_s390_des3_128_ctx *sctx = crypto_blkcipher_ctx(desc->tfm);
363 struct blkcipher_walk walk;
364
365 blkcipher_walk_init(&walk, dst, src, nbytes);
366 return cbc_desall_crypt(desc, KMC_TDEA_128_DECRYPT, sctx->iv, &walk);
367}
368
369static struct crypto_alg cbc_des3_128_alg = {
370 .cra_name = "cbc(des3_ede128)",
371 .cra_driver_name = "cbc-des3_ede128-s390",
372 .cra_priority = CRYPT_S390_COMPOSITE_PRIORITY,
373 .cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER,
374 .cra_blocksize = DES3_128_BLOCK_SIZE,
375 .cra_ctxsize = sizeof(struct crypt_s390_des3_128_ctx),
376 .cra_type = &crypto_blkcipher_type,
377 .cra_module = THIS_MODULE,
378 .cra_list = LIST_HEAD_INIT(
379 cbc_des3_128_alg.cra_list),
380 .cra_u = {
381 .blkcipher = {
382 .min_keysize = DES3_128_KEY_SIZE,
383 .max_keysize = DES3_128_KEY_SIZE,
384 .ivsize = DES3_128_BLOCK_SIZE,
385 .setkey = des3_128_setkey,
386 .encrypt = cbc_des3_128_encrypt,
387 .decrypt = cbc_des3_128_decrypt,
388 }
389 }
390};
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405static int des3_192_setkey(struct crypto_tfm *tfm, const u8 *key,
406 unsigned int keylen)
407{
408 int i, ret;
409 struct crypt_s390_des3_192_ctx *dctx = crypto_tfm_ctx(tfm);
410 const u8 *temp_key = key;
411 u32 *flags = &tfm->crt_flags;
412
413 if (!(memcmp(key, &key[DES_KEY_SIZE], DES_KEY_SIZE) &&
414 memcmp(&key[DES_KEY_SIZE], &key[DES_KEY_SIZE * 2],
415 DES_KEY_SIZE)) &&
416 (*flags & CRYPTO_TFM_REQ_WEAK_KEY)) {
417 *flags |= CRYPTO_TFM_RES_WEAK_KEY;
418 return -EINVAL;
419 }
420 for (i = 0; i < 3; i++, temp_key += DES_KEY_SIZE) {
421 ret = crypto_des_check_key(temp_key, DES_KEY_SIZE, flags);
422 if (ret < 0)
423 return ret;
424 }
425 memcpy(dctx->key, key, keylen);
426 return 0;
427}
428
429static void des3_192_encrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src)
430{
431 struct crypt_s390_des3_192_ctx *dctx = crypto_tfm_ctx(tfm);
432
433 crypt_s390_km(KM_TDEA_192_ENCRYPT, dctx->key, dst, (void*)src,
434 DES3_192_BLOCK_SIZE);
435}
436
437static void des3_192_decrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src)
438{
439 struct crypt_s390_des3_192_ctx *dctx = crypto_tfm_ctx(tfm);
440
441 crypt_s390_km(KM_TDEA_192_DECRYPT, dctx->key, dst, (void*)src,
442 DES3_192_BLOCK_SIZE);
443}
444
445static struct crypto_alg des3_192_alg = {
446 .cra_name = "des3_ede",
447 .cra_driver_name = "des3_ede-s390",
448 .cra_priority = CRYPT_S390_PRIORITY,
449 .cra_flags = CRYPTO_ALG_TYPE_CIPHER,
450 .cra_blocksize = DES3_192_BLOCK_SIZE,
451 .cra_ctxsize = sizeof(struct crypt_s390_des3_192_ctx),
452 .cra_module = THIS_MODULE,
453 .cra_list = LIST_HEAD_INIT(des3_192_alg.cra_list),
454 .cra_u = {
455 .cipher = {
456 .cia_min_keysize = DES3_192_KEY_SIZE,
457 .cia_max_keysize = DES3_192_KEY_SIZE,
458 .cia_setkey = des3_192_setkey,
459 .cia_encrypt = des3_192_encrypt,
460 .cia_decrypt = des3_192_decrypt,
461 }
462 }
463};
464
465static int ecb_des3_192_encrypt(struct blkcipher_desc *desc,
466 struct scatterlist *dst,
467 struct scatterlist *src, unsigned int nbytes)
468{
469 struct crypt_s390_des3_192_ctx *sctx = crypto_blkcipher_ctx(desc->tfm);
470 struct blkcipher_walk walk;
471
472 blkcipher_walk_init(&walk, dst, src, nbytes);
473 return ecb_desall_crypt(desc, KM_TDEA_192_ENCRYPT, sctx->key, &walk);
474}
475
476static int ecb_des3_192_decrypt(struct blkcipher_desc *desc,
477 struct scatterlist *dst,
478 struct scatterlist *src, unsigned int nbytes)
479{
480 struct crypt_s390_des3_192_ctx *sctx = crypto_blkcipher_ctx(desc->tfm);
481 struct blkcipher_walk walk;
482
483 blkcipher_walk_init(&walk, dst, src, nbytes);
484 return ecb_desall_crypt(desc, KM_TDEA_192_DECRYPT, sctx->key, &walk);
485}
486
487static struct crypto_alg ecb_des3_192_alg = {
488 .cra_name = "ecb(des3_ede)",
489 .cra_driver_name = "ecb-des3_ede-s390",
490 .cra_priority = CRYPT_S390_COMPOSITE_PRIORITY,
491 .cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER,
492 .cra_blocksize = DES3_192_BLOCK_SIZE,
493 .cra_ctxsize = sizeof(struct crypt_s390_des3_192_ctx),
494 .cra_type = &crypto_blkcipher_type,
495 .cra_module = THIS_MODULE,
496 .cra_list = LIST_HEAD_INIT(
497 ecb_des3_192_alg.cra_list),
498 .cra_u = {
499 .blkcipher = {
500 .min_keysize = DES3_192_KEY_SIZE,
501 .max_keysize = DES3_192_KEY_SIZE,
502 .setkey = des3_192_setkey,
503 .encrypt = ecb_des3_192_encrypt,
504 .decrypt = ecb_des3_192_decrypt,
505 }
506 }
507};
508
509static int cbc_des3_192_encrypt(struct blkcipher_desc *desc,
510 struct scatterlist *dst,
511 struct scatterlist *src, unsigned int nbytes)
512{
513 struct crypt_s390_des3_192_ctx *sctx = crypto_blkcipher_ctx(desc->tfm);
514 struct blkcipher_walk walk;
515
516 blkcipher_walk_init(&walk, dst, src, nbytes);
517 return cbc_desall_crypt(desc, KMC_TDEA_192_ENCRYPT, sctx->iv, &walk);
518}
519
520static int cbc_des3_192_decrypt(struct blkcipher_desc *desc,
521 struct scatterlist *dst,
522 struct scatterlist *src, unsigned int nbytes)
523{
524 struct crypt_s390_des3_192_ctx *sctx = crypto_blkcipher_ctx(desc->tfm);
525 struct blkcipher_walk walk;
526
527 blkcipher_walk_init(&walk, dst, src, nbytes);
528 return cbc_desall_crypt(desc, KMC_TDEA_192_DECRYPT, sctx->iv, &walk);
529}
530
531static struct crypto_alg cbc_des3_192_alg = {
532 .cra_name = "cbc(des3_ede)",
533 .cra_driver_name = "cbc-des3_ede-s390",
534 .cra_priority = CRYPT_S390_COMPOSITE_PRIORITY,
535 .cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER,
536 .cra_blocksize = DES3_192_BLOCK_SIZE,
537 .cra_ctxsize = sizeof(struct crypt_s390_des3_192_ctx),
538 .cra_type = &crypto_blkcipher_type,
539 .cra_module = THIS_MODULE,
540 .cra_list = LIST_HEAD_INIT(
541 cbc_des3_192_alg.cra_list),
542 .cra_u = {
543 .blkcipher = {
544 .min_keysize = DES3_192_KEY_SIZE,
545 .max_keysize = DES3_192_KEY_SIZE,
546 .ivsize = DES3_192_BLOCK_SIZE,
547 .setkey = des3_192_setkey,
548 .encrypt = cbc_des3_192_encrypt,
549 .decrypt = cbc_des3_192_decrypt,
550 }
551 }
552};
553
554static int des_s390_init(void)
555{
556 int ret = 0;
557
558 if (!crypt_s390_func_available(KM_DEA_ENCRYPT) ||
559 !crypt_s390_func_available(KM_TDEA_128_ENCRYPT) ||
560 !crypt_s390_func_available(KM_TDEA_192_ENCRYPT))
561 return -EOPNOTSUPP;
562
563 ret = crypto_register_alg(&des_alg);
564 if (ret)
565 goto des_err;
566 ret = crypto_register_alg(&ecb_des_alg);
567 if (ret)
568 goto ecb_des_err;
569 ret = crypto_register_alg(&cbc_des_alg);
570 if (ret)
571 goto cbc_des_err;
572
573 ret = crypto_register_alg(&des3_128_alg);
574 if (ret)
575 goto des3_128_err;
576 ret = crypto_register_alg(&ecb_des3_128_alg);
577 if (ret)
578 goto ecb_des3_128_err;
579 ret = crypto_register_alg(&cbc_des3_128_alg);
580 if (ret)
581 goto cbc_des3_128_err;
582
583 ret = crypto_register_alg(&des3_192_alg);
584 if (ret)
585 goto des3_192_err;
586 ret = crypto_register_alg(&ecb_des3_192_alg);
587 if (ret)
588 goto ecb_des3_192_err;
589 ret = crypto_register_alg(&cbc_des3_192_alg);
590 if (ret)
591 goto cbc_des3_192_err;
592
593out:
594 return ret;
595
596cbc_des3_192_err:
597 crypto_unregister_alg(&ecb_des3_192_alg);
598ecb_des3_192_err:
599 crypto_unregister_alg(&des3_192_alg);
600des3_192_err:
601 crypto_unregister_alg(&cbc_des3_128_alg);
602cbc_des3_128_err:
603 crypto_unregister_alg(&ecb_des3_128_alg);
604ecb_des3_128_err:
605 crypto_unregister_alg(&des3_128_alg);
606des3_128_err:
607 crypto_unregister_alg(&cbc_des_alg);
608cbc_des_err:
609 crypto_unregister_alg(&ecb_des_alg);
610ecb_des_err:
611 crypto_unregister_alg(&des_alg);
612des_err:
613 goto out;
614}
615
616static void __exit des_s390_fini(void)
617{
618 crypto_unregister_alg(&cbc_des3_192_alg);
619 crypto_unregister_alg(&ecb_des3_192_alg);
620 crypto_unregister_alg(&des3_192_alg);
621 crypto_unregister_alg(&cbc_des3_128_alg);
622 crypto_unregister_alg(&ecb_des3_128_alg);
623 crypto_unregister_alg(&des3_128_alg);
624 crypto_unregister_alg(&cbc_des_alg);
625 crypto_unregister_alg(&ecb_des_alg);
626 crypto_unregister_alg(&des_alg);
627}
628
629module_init(des_s390_init);
630module_exit(des_s390_fini);
631
632MODULE_ALIAS("des");
633MODULE_ALIAS("des3_ede");
634
635MODULE_LICENSE("GPL");
636MODULE_DESCRIPTION("DES & Triple DES EDE Cipher Algorithms");
637
