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-rw-r--r--arch/s390/crypto/aes_s390.c218
-rw-r--r--arch/s390/crypto/crypt_s390.h1
-rw-r--r--arch/s390/crypto/des_s390.c385
-rw-r--r--crypto/Kconfig2
4 files changed, 592 insertions, 14 deletions
diff --git a/arch/s390/crypto/aes_s390.c b/arch/s390/crypto/aes_s390.c
index 220300e760d8..8f04b4e41b55 100644
--- a/arch/s390/crypto/aes_s390.c
+++ b/arch/s390/crypto/aes_s390.c
@@ -16,9 +16,9 @@
16 * 16 *
17 */ 17 */
18 18
19#include <crypto/algapi.h>
19#include <linux/module.h> 20#include <linux/module.h>
20#include <linux/init.h> 21#include <linux/init.h>
21#include <linux/crypto.h>
22#include "crypt_s390.h" 22#include "crypt_s390.h"
23 23
24#define AES_MIN_KEY_SIZE 16 24#define AES_MIN_KEY_SIZE 16
@@ -34,6 +34,8 @@ int has_aes_256 = 0;
34struct s390_aes_ctx { 34struct s390_aes_ctx {
35 u8 iv[AES_BLOCK_SIZE]; 35 u8 iv[AES_BLOCK_SIZE];
36 u8 key[AES_MAX_KEY_SIZE]; 36 u8 key[AES_MAX_KEY_SIZE];
37 long enc;
38 long dec;
37 int key_len; 39 int key_len;
38}; 40};
39 41
@@ -244,6 +246,189 @@ static struct crypto_alg aes_alg = {
244 } 246 }
245}; 247};
246 248
249static int ecb_aes_set_key(struct crypto_tfm *tfm, const u8 *in_key,
250 unsigned int key_len)
251{
252 struct s390_aes_ctx *sctx = crypto_tfm_ctx(tfm);
253
254 switch (key_len) {
255 case 16:
256 sctx->enc = KM_AES_128_ENCRYPT;
257 sctx->dec = KM_AES_128_DECRYPT;
258 break;
259 case 24:
260 sctx->enc = KM_AES_192_ENCRYPT;
261 sctx->dec = KM_AES_192_DECRYPT;
262 break;
263 case 32:
264 sctx->enc = KM_AES_256_ENCRYPT;
265 sctx->dec = KM_AES_256_DECRYPT;
266 break;
267 }
268
269 return aes_set_key(tfm, in_key, key_len);
270}
271
272static int ecb_aes_crypt(struct blkcipher_desc *desc, long func, void *param,
273 struct blkcipher_walk *walk)
274{
275 int ret = blkcipher_walk_virt(desc, walk);
276 unsigned int nbytes;
277
278 while ((nbytes = walk->nbytes)) {
279 /* only use complete blocks */
280 unsigned int n = nbytes & ~(AES_BLOCK_SIZE - 1);
281 u8 *out = walk->dst.virt.addr;
282 u8 *in = walk->src.virt.addr;
283
284 ret = crypt_s390_km(func, param, out, in, n);
285 BUG_ON((ret < 0) || (ret != n));
286
287 nbytes &= AES_BLOCK_SIZE - 1;
288 ret = blkcipher_walk_done(desc, walk, nbytes);
289 }
290
291 return ret;
292}
293
294static int ecb_aes_encrypt(struct blkcipher_desc *desc,
295 struct scatterlist *dst, struct scatterlist *src,
296 unsigned int nbytes)
297{
298 struct s390_aes_ctx *sctx = crypto_blkcipher_ctx(desc->tfm);
299 struct blkcipher_walk walk;
300
301 blkcipher_walk_init(&walk, dst, src, nbytes);
302 return ecb_aes_crypt(desc, sctx->enc, sctx->key, &walk);
303}
304
305static int ecb_aes_decrypt(struct blkcipher_desc *desc,
306 struct scatterlist *dst, struct scatterlist *src,
307 unsigned int nbytes)
308{
309 struct s390_aes_ctx *sctx = crypto_blkcipher_ctx(desc->tfm);
310 struct blkcipher_walk walk;
311
312 blkcipher_walk_init(&walk, dst, src, nbytes);
313 return ecb_aes_crypt(desc, sctx->dec, sctx->key, &walk);
314}
315
316static struct crypto_alg ecb_aes_alg = {
317 .cra_name = "ecb(aes)",
318 .cra_driver_name = "ecb-aes-s390",
319 .cra_priority = CRYPT_S390_COMPOSITE_PRIORITY,
320 .cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER,
321 .cra_blocksize = AES_BLOCK_SIZE,
322 .cra_ctxsize = sizeof(struct s390_aes_ctx),
323 .cra_type = &crypto_blkcipher_type,
324 .cra_module = THIS_MODULE,
325 .cra_list = LIST_HEAD_INIT(ecb_aes_alg.cra_list),
326 .cra_u = {
327 .blkcipher = {
328 .min_keysize = AES_MIN_KEY_SIZE,
329 .max_keysize = AES_MAX_KEY_SIZE,
330 .setkey = ecb_aes_set_key,
331 .encrypt = ecb_aes_encrypt,
332 .decrypt = ecb_aes_decrypt,
333 }
334 }
335};
336
337static int cbc_aes_set_key(struct crypto_tfm *tfm, const u8 *in_key,
338 unsigned int key_len)
339{
340 struct s390_aes_ctx *sctx = crypto_tfm_ctx(tfm);
341
342 switch (key_len) {
343 case 16:
344 sctx->enc = KMC_AES_128_ENCRYPT;
345 sctx->dec = KMC_AES_128_DECRYPT;
346 break;
347 case 24:
348 sctx->enc = KMC_AES_192_ENCRYPT;
349 sctx->dec = KMC_AES_192_DECRYPT;
350 break;
351 case 32:
352 sctx->enc = KMC_AES_256_ENCRYPT;
353 sctx->dec = KMC_AES_256_DECRYPT;
354 break;
355 }
356
357 return aes_set_key(tfm, in_key, key_len);
358}
359
360static int cbc_aes_crypt(struct blkcipher_desc *desc, long func, void *param,
361 struct blkcipher_walk *walk)
362{
363 int ret = blkcipher_walk_virt(desc, walk);
364 unsigned int nbytes = walk->nbytes;
365
366 if (!nbytes)
367 goto out;
368
369 memcpy(param, walk->iv, AES_BLOCK_SIZE);
370 do {
371 /* only use complete blocks */
372 unsigned int n = nbytes & ~(AES_BLOCK_SIZE - 1);
373 u8 *out = walk->dst.virt.addr;
374 u8 *in = walk->src.virt.addr;
375
376 ret = crypt_s390_kmc(func, param, out, in, n);
377 BUG_ON((ret < 0) || (ret != n));
378
379 nbytes &= AES_BLOCK_SIZE - 1;
380 ret = blkcipher_walk_done(desc, walk, nbytes);
381 } while ((nbytes = walk->nbytes));
382 memcpy(walk->iv, param, AES_BLOCK_SIZE);
383
384out:
385 return ret;
386}
387
388static int cbc_aes_encrypt(struct blkcipher_desc *desc,
389 struct scatterlist *dst, struct scatterlist *src,
390 unsigned int nbytes)
391{
392 struct s390_aes_ctx *sctx = crypto_blkcipher_ctx(desc->tfm);
393 struct blkcipher_walk walk;
394
395 blkcipher_walk_init(&walk, dst, src, nbytes);
396 return cbc_aes_crypt(desc, sctx->enc, sctx->iv, &walk);
397}
398
399static int cbc_aes_decrypt(struct blkcipher_desc *desc,
400 struct scatterlist *dst, struct scatterlist *src,
401 unsigned int nbytes)
402{
403 struct s390_aes_ctx *sctx = crypto_blkcipher_ctx(desc->tfm);
404 struct blkcipher_walk walk;
405
406 blkcipher_walk_init(&walk, dst, src, nbytes);
407 return cbc_aes_crypt(desc, sctx->dec, sctx->iv, &walk);
408}
409
410static struct crypto_alg cbc_aes_alg = {
411 .cra_name = "cbc(aes)",
412 .cra_driver_name = "cbc-aes-s390",
413 .cra_priority = CRYPT_S390_COMPOSITE_PRIORITY,
414 .cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER,
415 .cra_blocksize = AES_BLOCK_SIZE,
416 .cra_ctxsize = sizeof(struct s390_aes_ctx),
417 .cra_type = &crypto_blkcipher_type,
418 .cra_module = THIS_MODULE,
419 .cra_list = LIST_HEAD_INIT(cbc_aes_alg.cra_list),
420 .cra_u = {
421 .blkcipher = {
422 .min_keysize = AES_MIN_KEY_SIZE,
423 .max_keysize = AES_MAX_KEY_SIZE,
424 .ivsize = AES_BLOCK_SIZE,
425 .setkey = cbc_aes_set_key,
426 .encrypt = cbc_aes_encrypt,
427 .decrypt = cbc_aes_decrypt,
428 }
429 }
430};
431
247static int __init aes_init(void) 432static int __init aes_init(void)
248{ 433{
249 int ret; 434 int ret;
@@ -259,13 +444,40 @@ static int __init aes_init(void)
259 return -ENOSYS; 444 return -ENOSYS;
260 445
261 ret = crypto_register_alg(&aes_alg); 446 ret = crypto_register_alg(&aes_alg);
262 if (ret != 0) 447 if (ret != 0) {
263 printk(KERN_INFO "crypt_s390: aes_s390 couldn't be loaded.\n"); 448 printk(KERN_INFO "crypt_s390: aes-s390 couldn't be loaded.\n");
449 goto aes_err;
450 }
451
452 ret = crypto_register_alg(&ecb_aes_alg);
453 if (ret != 0) {
454 printk(KERN_INFO
455 "crypt_s390: ecb-aes-s390 couldn't be loaded.\n");
456 goto ecb_aes_err;
457 }
458
459 ret = crypto_register_alg(&cbc_aes_alg);
460 if (ret != 0) {
461 printk(KERN_INFO
462 "crypt_s390: cbc-aes-s390 couldn't be loaded.\n");
463 goto cbc_aes_err;
464 }
465
466out:
264 return ret; 467 return ret;
468
469cbc_aes_err:
470 crypto_unregister_alg(&ecb_aes_alg);
471ecb_aes_err:
472 crypto_unregister_alg(&aes_alg);
473aes_err:
474 goto out;
265} 475}
266 476
267static void __exit aes_fini(void) 477static void __exit aes_fini(void)
268{ 478{
479 crypto_unregister_alg(&cbc_aes_alg);
480 crypto_unregister_alg(&ecb_aes_alg);
269 crypto_unregister_alg(&aes_alg); 481 crypto_unregister_alg(&aes_alg);
270} 482}
271 483
diff --git a/arch/s390/crypto/crypt_s390.h b/arch/s390/crypto/crypt_s390.h
index d1d330797f75..efd836c2e4a6 100644
--- a/arch/s390/crypto/crypt_s390.h
+++ b/arch/s390/crypto/crypt_s390.h
@@ -21,6 +21,7 @@
21#define CRYPT_S390_FUNC_MASK 0x00FF 21#define CRYPT_S390_FUNC_MASK 0x00FF
22 22
23#define CRYPT_S390_PRIORITY 300 23#define CRYPT_S390_PRIORITY 300
24#define CRYPT_S390_COMPOSITE_PRIORITY 400
24 25
25/* s930 cryptographic operations */ 26/* s930 cryptographic operations */
26enum crypt_s390_operations { 27enum crypt_s390_operations {
diff --git a/arch/s390/crypto/des_s390.c b/arch/s390/crypto/des_s390.c
index 3fd5d37d5e05..a6d2385ccb7a 100644
--- a/arch/s390/crypto/des_s390.c
+++ b/arch/s390/crypto/des_s390.c
@@ -13,9 +13,10 @@
13 * (at your option) any later version. 13 * (at your option) any later version.
14 * 14 *
15 */ 15 */
16
17#include <crypto/algapi.h>
16#include <linux/init.h> 18#include <linux/init.h>
17#include <linux/module.h> 19#include <linux/module.h>
18#include <linux/crypto.h>
19 20
20#include "crypt_s390.h" 21#include "crypt_s390.h"
21#include "crypto_des.h" 22#include "crypto_des.h"
@@ -157,6 +158,143 @@ static struct crypto_alg des_alg = {
157 } 158 }
158}; 159};
159 160
161static int ecb_desall_crypt(struct blkcipher_desc *desc, long func,
162 void *param, struct blkcipher_walk *walk)
163{
164 int ret = blkcipher_walk_virt(desc, walk);
165 unsigned int nbytes;
166
167 while ((nbytes = walk->nbytes)) {
168 /* only use complete blocks */
169 unsigned int n = nbytes & ~(DES_BLOCK_SIZE - 1);
170 u8 *out = walk->dst.virt.addr;
171 u8 *in = walk->src.virt.addr;
172
173 ret = crypt_s390_km(func, param, out, in, n);
174 BUG_ON((ret < 0) || (ret != n));
175
176 nbytes &= DES_BLOCK_SIZE - 1;
177 ret = blkcipher_walk_done(desc, walk, nbytes);
178 }
179
180 return ret;
181}
182
183static int cbc_desall_crypt(struct blkcipher_desc *desc, long func,
184 void *param, struct blkcipher_walk *walk)
185{
186 int ret = blkcipher_walk_virt(desc, walk);
187 unsigned int nbytes = walk->nbytes;
188
189 if (!nbytes)
190 goto out;
191
192 memcpy(param, walk->iv, DES_BLOCK_SIZE);
193 do {
194 /* only use complete blocks */
195 unsigned int n = nbytes & ~(DES_BLOCK_SIZE - 1);
196 u8 *out = walk->dst.virt.addr;
197 u8 *in = walk->src.virt.addr;
198
199 ret = crypt_s390_kmc(func, param, out, in, n);
200 BUG_ON((ret < 0) || (ret != n));
201
202 nbytes &= DES_BLOCK_SIZE - 1;
203 ret = blkcipher_walk_done(desc, walk, nbytes);
204 } while ((nbytes = walk->nbytes));
205 memcpy(walk->iv, param, DES_BLOCK_SIZE);
206
207out:
208 return ret;
209}
210
211static int ecb_des_encrypt(struct blkcipher_desc *desc,
212 struct scatterlist *dst, struct scatterlist *src,
213 unsigned int nbytes)
214{
215 struct crypt_s390_des_ctx *sctx = crypto_blkcipher_ctx(desc->tfm);
216 struct blkcipher_walk walk;
217
218 blkcipher_walk_init(&walk, dst, src, nbytes);
219 return ecb_desall_crypt(desc, KM_DEA_ENCRYPT, sctx->key, &walk);
220}
221
222static int ecb_des_decrypt(struct blkcipher_desc *desc,
223 struct scatterlist *dst, struct scatterlist *src,
224 unsigned int nbytes)
225{
226 struct crypt_s390_des_ctx *sctx = crypto_blkcipher_ctx(desc->tfm);
227 struct blkcipher_walk walk;
228
229 blkcipher_walk_init(&walk, dst, src, nbytes);
230 return ecb_desall_crypt(desc, KM_DEA_DECRYPT, sctx->key, &walk);
231}
232
233static struct crypto_alg ecb_des_alg = {
234 .cra_name = "ecb(des)",
235 .cra_driver_name = "ecb-des-s390",
236 .cra_priority = CRYPT_S390_COMPOSITE_PRIORITY,
237 .cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER,
238 .cra_blocksize = DES_BLOCK_SIZE,
239 .cra_ctxsize = sizeof(struct crypt_s390_des_ctx),
240 .cra_type = &crypto_blkcipher_type,
241 .cra_module = THIS_MODULE,
242 .cra_list = LIST_HEAD_INIT(ecb_des_alg.cra_list),
243 .cra_u = {
244 .blkcipher = {
245 .min_keysize = DES_KEY_SIZE,
246 .max_keysize = DES_KEY_SIZE,
247 .setkey = des_setkey,
248 .encrypt = ecb_des_encrypt,
249 .decrypt = ecb_des_decrypt,
250 }
251 }
252};
253
254static int cbc_des_encrypt(struct blkcipher_desc *desc,
255 struct scatterlist *dst, struct scatterlist *src,
256 unsigned int nbytes)
257{
258 struct crypt_s390_des_ctx *sctx = crypto_blkcipher_ctx(desc->tfm);
259 struct blkcipher_walk walk;
260
261 blkcipher_walk_init(&walk, dst, src, nbytes);
262 return cbc_desall_crypt(desc, KMC_DEA_ENCRYPT, sctx->iv, &walk);
263}
264
265static int cbc_des_decrypt(struct blkcipher_desc *desc,
266 struct scatterlist *dst, struct scatterlist *src,
267 unsigned int nbytes)
268{
269 struct crypt_s390_des_ctx *sctx = crypto_blkcipher_ctx(desc->tfm);
270 struct blkcipher_walk walk;
271
272 blkcipher_walk_init(&walk, dst, src, nbytes);
273 return cbc_desall_crypt(desc, KMC_DEA_DECRYPT, sctx->iv, &walk);
274}
275
276static struct crypto_alg cbc_des_alg = {
277 .cra_name = "cbc(des)",
278 .cra_driver_name = "cbc-des-s390",
279 .cra_priority = CRYPT_S390_COMPOSITE_PRIORITY,
280 .cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER,
281 .cra_blocksize = DES_BLOCK_SIZE,
282 .cra_ctxsize = sizeof(struct crypt_s390_des_ctx),
283 .cra_type = &crypto_blkcipher_type,
284 .cra_module = THIS_MODULE,
285 .cra_list = LIST_HEAD_INIT(cbc_des_alg.cra_list),
286 .cra_u = {
287 .blkcipher = {
288 .min_keysize = DES_KEY_SIZE,
289 .max_keysize = DES_KEY_SIZE,
290 .ivsize = DES_BLOCK_SIZE,
291 .setkey = des_setkey,
292 .encrypt = cbc_des_encrypt,
293 .decrypt = cbc_des_decrypt,
294 }
295 }
296};
297
160/* 298/*
161 * RFC2451: 299 * RFC2451:
162 * 300 *
@@ -295,6 +433,95 @@ static struct crypto_alg des3_128_alg = {
295 } 433 }
296}; 434};
297 435
436static int ecb_des3_128_encrypt(struct blkcipher_desc *desc,
437 struct scatterlist *dst,
438 struct scatterlist *src, unsigned int nbytes)
439{
440 struct crypt_s390_des3_128_ctx *sctx = crypto_blkcipher_ctx(desc->tfm);
441 struct blkcipher_walk walk;
442
443 blkcipher_walk_init(&walk, dst, src, nbytes);
444 return ecb_desall_crypt(desc, KM_TDEA_128_ENCRYPT, sctx->key, &walk);
445}
446
447static int ecb_des3_128_decrypt(struct blkcipher_desc *desc,
448 struct scatterlist *dst,
449 struct scatterlist *src, unsigned int nbytes)
450{
451 struct crypt_s390_des3_128_ctx *sctx = crypto_blkcipher_ctx(desc->tfm);
452 struct blkcipher_walk walk;
453
454 blkcipher_walk_init(&walk, dst, src, nbytes);
455 return ecb_desall_crypt(desc, KM_TDEA_128_DECRYPT, sctx->key, &walk);
456}
457
458static struct crypto_alg ecb_des3_128_alg = {
459 .cra_name = "ecb(des3_ede128)",
460 .cra_driver_name = "ecb-des3_ede128-s390",
461 .cra_priority = CRYPT_S390_COMPOSITE_PRIORITY,
462 .cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER,
463 .cra_blocksize = DES3_128_BLOCK_SIZE,
464 .cra_ctxsize = sizeof(struct crypt_s390_des3_128_ctx),
465 .cra_type = &crypto_blkcipher_type,
466 .cra_module = THIS_MODULE,
467 .cra_list = LIST_HEAD_INIT(
468 ecb_des3_128_alg.cra_list),
469 .cra_u = {
470 .blkcipher = {
471 .min_keysize = DES3_128_KEY_SIZE,
472 .max_keysize = DES3_128_KEY_SIZE,
473 .setkey = des3_128_setkey,
474 .encrypt = ecb_des3_128_encrypt,
475 .decrypt = ecb_des3_128_decrypt,
476 }
477 }
478};
479
480static int cbc_des3_128_encrypt(struct blkcipher_desc *desc,
481 struct scatterlist *dst,
482 struct scatterlist *src, unsigned int nbytes)
483{
484 struct crypt_s390_des3_128_ctx *sctx = crypto_blkcipher_ctx(desc->tfm);
485 struct blkcipher_walk walk;
486
487 blkcipher_walk_init(&walk, dst, src, nbytes);
488 return cbc_desall_crypt(desc, KMC_TDEA_128_ENCRYPT, sctx->iv, &walk);
489}
490
491static int cbc_des3_128_decrypt(struct blkcipher_desc *desc,
492 struct scatterlist *dst,
493 struct scatterlist *src, unsigned int nbytes)
494{
495 struct crypt_s390_des3_128_ctx *sctx = crypto_blkcipher_ctx(desc->tfm);
496 struct blkcipher_walk walk;
497
498 blkcipher_walk_init(&walk, dst, src, nbytes);
499 return cbc_desall_crypt(desc, KMC_TDEA_128_DECRYPT, sctx->iv, &walk);
500}
501
502static struct crypto_alg cbc_des3_128_alg = {
503 .cra_name = "cbc(des3_ede128)",
504 .cra_driver_name = "cbc-des3_ede128-s390",
505 .cra_priority = CRYPT_S390_COMPOSITE_PRIORITY,
506 .cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER,
507 .cra_blocksize = DES3_128_BLOCK_SIZE,
508 .cra_ctxsize = sizeof(struct crypt_s390_des3_128_ctx),
509 .cra_type = &crypto_blkcipher_type,
510 .cra_module = THIS_MODULE,
511 .cra_list = LIST_HEAD_INIT(
512 cbc_des3_128_alg.cra_list),
513 .cra_u = {
514 .blkcipher = {
515 .min_keysize = DES3_128_KEY_SIZE,
516 .max_keysize = DES3_128_KEY_SIZE,
517 .ivsize = DES3_128_BLOCK_SIZE,
518 .setkey = des3_128_setkey,
519 .encrypt = cbc_des3_128_encrypt,
520 .decrypt = cbc_des3_128_decrypt,
521 }
522 }
523};
524
298/* 525/*
299 * RFC2451: 526 * RFC2451:
300 * 527 *
@@ -437,6 +664,95 @@ static struct crypto_alg des3_192_alg = {
437 } 664 }
438}; 665};
439 666
667static int ecb_des3_192_encrypt(struct blkcipher_desc *desc,
668 struct scatterlist *dst,
669 struct scatterlist *src, unsigned int nbytes)
670{
671 struct crypt_s390_des3_192_ctx *sctx = crypto_blkcipher_ctx(desc->tfm);
672 struct blkcipher_walk walk;
673
674 blkcipher_walk_init(&walk, dst, src, nbytes);
675 return ecb_desall_crypt(desc, KM_TDEA_192_ENCRYPT, sctx->key, &walk);
676}
677
678static int ecb_des3_192_decrypt(struct blkcipher_desc *desc,
679 struct scatterlist *dst,
680 struct scatterlist *src, unsigned int nbytes)
681{
682 struct crypt_s390_des3_192_ctx *sctx = crypto_blkcipher_ctx(desc->tfm);
683 struct blkcipher_walk walk;
684
685 blkcipher_walk_init(&walk, dst, src, nbytes);
686 return ecb_desall_crypt(desc, KM_TDEA_192_DECRYPT, sctx->key, &walk);
687}
688
689static struct crypto_alg ecb_des3_192_alg = {
690 .cra_name = "ecb(des3_ede)",
691 .cra_driver_name = "ecb-des3_ede-s390",
692 .cra_priority = CRYPT_S390_COMPOSITE_PRIORITY,
693 .cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER,
694 .cra_blocksize = DES3_192_BLOCK_SIZE,
695 .cra_ctxsize = sizeof(struct crypt_s390_des3_192_ctx),
696 .cra_type = &crypto_blkcipher_type,
697 .cra_module = THIS_MODULE,
698 .cra_list = LIST_HEAD_INIT(
699 ecb_des3_192_alg.cra_list),
700 .cra_u = {
701 .blkcipher = {
702 .min_keysize = DES3_192_KEY_SIZE,
703 .max_keysize = DES3_192_KEY_SIZE,
704 .setkey = des3_192_setkey,
705 .encrypt = ecb_des3_192_encrypt,
706 .decrypt = ecb_des3_192_decrypt,
707 }
708 }
709};
710
711static int cbc_des3_192_encrypt(struct blkcipher_desc *desc,
712 struct scatterlist *dst,
713 struct scatterlist *src, unsigned int nbytes)
714{
715 struct crypt_s390_des3_192_ctx *sctx = crypto_blkcipher_ctx(desc->tfm);
716 struct blkcipher_walk walk;
717
718 blkcipher_walk_init(&walk, dst, src, nbytes);
719 return cbc_desall_crypt(desc, KMC_TDEA_192_ENCRYPT, sctx->iv, &walk);
720}
721
722static int cbc_des3_192_decrypt(struct blkcipher_desc *desc,
723 struct scatterlist *dst,
724 struct scatterlist *src, unsigned int nbytes)
725{
726 struct crypt_s390_des3_192_ctx *sctx = crypto_blkcipher_ctx(desc->tfm);
727 struct blkcipher_walk walk;
728
729 blkcipher_walk_init(&walk, dst, src, nbytes);
730 return cbc_desall_crypt(desc, KMC_TDEA_192_DECRYPT, sctx->iv, &walk);
731}
732
733static struct crypto_alg cbc_des3_192_alg = {
734 .cra_name = "cbc(des3_ede)",
735 .cra_driver_name = "cbc-des3_ede-s390",
736 .cra_priority = CRYPT_S390_COMPOSITE_PRIORITY,
737 .cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER,
738 .cra_blocksize = DES3_192_BLOCK_SIZE,
739 .cra_ctxsize = sizeof(struct crypt_s390_des3_192_ctx),
740 .cra_type = &crypto_blkcipher_type,
741 .cra_module = THIS_MODULE,
742 .cra_list = LIST_HEAD_INIT(
743 cbc_des3_192_alg.cra_list),
744 .cra_u = {
745 .blkcipher = {
746 .min_keysize = DES3_192_KEY_SIZE,
747 .max_keysize = DES3_192_KEY_SIZE,
748 .ivsize = DES3_192_BLOCK_SIZE,
749 .setkey = des3_192_setkey,
750 .encrypt = cbc_des3_192_encrypt,
751 .decrypt = cbc_des3_192_decrypt,
752 }
753 }
754};
755
440static int init(void) 756static int init(void)
441{ 757{
442 int ret = 0; 758 int ret = 0;
@@ -446,22 +762,69 @@ static int init(void)
446 !crypt_s390_func_available(KM_TDEA_192_ENCRYPT)) 762 !crypt_s390_func_available(KM_TDEA_192_ENCRYPT))
447 return -ENOSYS; 763 return -ENOSYS;
448 764
449 ret |= (crypto_register_alg(&des_alg) == 0) ? 0:1; 765 ret = crypto_register_alg(&des_alg);
450 ret |= (crypto_register_alg(&des3_128_alg) == 0) ? 0:2; 766 if (ret)
451 ret |= (crypto_register_alg(&des3_192_alg) == 0) ? 0:4; 767 goto des_err;
452 if (ret) { 768 ret = crypto_register_alg(&ecb_des_alg);
453 crypto_unregister_alg(&des3_192_alg); 769 if (ret)
454 crypto_unregister_alg(&des3_128_alg); 770 goto ecb_des_err;
455 crypto_unregister_alg(&des_alg); 771 ret = crypto_register_alg(&cbc_des_alg);
456 return -EEXIST; 772 if (ret)
457 } 773 goto cbc_des_err;
458 return 0; 774
775 ret = crypto_register_alg(&des3_128_alg);
776 if (ret)
777 goto des3_128_err;
778 ret = crypto_register_alg(&ecb_des3_128_alg);
779 if (ret)
780 goto ecb_des3_128_err;
781 ret = crypto_register_alg(&cbc_des3_128_alg);
782 if (ret)
783 goto cbc_des3_128_err;
784
785 ret = crypto_register_alg(&des3_192_alg);
786 if (ret)
787 goto des3_192_err;
788 ret = crypto_register_alg(&ecb_des3_192_alg);
789 if (ret)
790 goto ecb_des3_192_err;
791 ret = crypto_register_alg(&cbc_des3_192_alg);
792 if (ret)
793 goto cbc_des3_192_err;
794
795out:
796 return ret;
797
798cbc_des3_192_err:
799 crypto_unregister_alg(&ecb_des3_192_alg);
800ecb_des3_192_err:
801 crypto_unregister_alg(&des3_192_alg);
802des3_192_err:
803 crypto_unregister_alg(&cbc_des3_128_alg);
804cbc_des3_128_err:
805 crypto_unregister_alg(&ecb_des3_128_alg);
806ecb_des3_128_err:
807 crypto_unregister_alg(&des3_128_alg);
808des3_128_err:
809 crypto_unregister_alg(&cbc_des_alg);
810cbc_des_err:
811 crypto_unregister_alg(&ecb_des_alg);
812ecb_des_err:
813 crypto_unregister_alg(&des_alg);
814des_err:
815 goto out;
459} 816}
460 817
461static void __exit fini(void) 818static void __exit fini(void)
462{ 819{
820 crypto_unregister_alg(&cbc_des3_192_alg);
821 crypto_unregister_alg(&ecb_des3_192_alg);
463 crypto_unregister_alg(&des3_192_alg); 822 crypto_unregister_alg(&des3_192_alg);
823 crypto_unregister_alg(&cbc_des3_128_alg);
824 crypto_unregister_alg(&ecb_des3_128_alg);
464 crypto_unregister_alg(&des3_128_alg); 825 crypto_unregister_alg(&des3_128_alg);
826 crypto_unregister_alg(&cbc_des_alg);
827 crypto_unregister_alg(&ecb_des_alg);
465 crypto_unregister_alg(&des_alg); 828 crypto_unregister_alg(&des_alg);
466} 829}
467 830
diff --git a/crypto/Kconfig b/crypto/Kconfig
index 90d467c99c2c..be5eb0cb7c30 100644
--- a/crypto/Kconfig
+++ b/crypto/Kconfig
@@ -150,6 +150,7 @@ config CRYPTO_DES_S390
150 tristate "DES and Triple DES cipher algorithms (s390)" 150 tristate "DES and Triple DES cipher algorithms (s390)"
151 depends on S390 151 depends on S390
152 select CRYPTO_ALGAPI 152 select CRYPTO_ALGAPI
153 select CRYPTO_BLKCIPHER
153 help 154 help
154 DES cipher algorithm (FIPS 46-2), and Triple DES EDE (FIPS 46-3). 155 DES cipher algorithm (FIPS 46-2), and Triple DES EDE (FIPS 46-3).
155 156
@@ -298,6 +299,7 @@ config CRYPTO_AES_S390
298 tristate "AES cipher algorithms (s390)" 299 tristate "AES cipher algorithms (s390)"
299 depends on S390 300 depends on S390
300 select CRYPTO_ALGAPI 301 select CRYPTO_ALGAPI
302 select CRYPTO_BLKCIPHER
301 help 303 help
302 This is the s390 hardware accelerated implementation of the 304 This is the s390 hardware accelerated implementation of the
303 AES cipher algorithms (FIPS-197). AES uses the Rijndael 305 AES cipher algorithms (FIPS-197). AES uses the Rijndael