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2024-05-11 04dd17822334871b23ea2862f7798fb0e0007777 
 kernel/drivers/crypto/virtio/virtio_crypto_algs.c
....@@ -1,25 +1,14 @@
1
+// SPDX-License-Identifier: GPL-2.0-or-later
12  /* Algorithms supported by virtio crypto device
23   *
34   * Authors: Gonglei <arei.gonglei@huawei.com>
45   *
56   * Copyright 2016 HUAWEI TECHNOLOGIES CO., LTD.
6
-  *
7
-  * This program is free software; you can redistribute it and/or modify
8
-  * it under the terms of the GNU General Public License as published by
9
-  * the Free Software Foundation; either version 2 of the License, or
10
-  * (at your option) any later version.
11
-  *
12
-  * This program is distributed in the hope that it will be useful,
13
-  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14
-  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15
-  * GNU General Public License for more details.
16
-  *
17
-  * You should have received a copy of the GNU General Public License
18
-  * along with this program; if not, see <http://www.gnu.org/licenses/>.
197   */
208 
219 #include <linux/scatterlist.h>
2210 #include <crypto/algapi.h>
11
+#include <crypto/internal/skcipher.h>
2312 #include <linux/err.h>
2413 #include <crypto/scatterwalk.h>
2514 #include <linux/atomic.h>
....@@ -28,10 +17,10 @@
2817 #include "virtio_crypto_common.h"
2918 
3019 
31
-struct virtio_crypto_ablkcipher_ctx {
20
+struct virtio_crypto_skcipher_ctx {
3221 	struct crypto_engine_ctx enginectx;
3322 	struct virtio_crypto *vcrypto;
34
-	struct crypto_tfm *tfm;
23
+	struct crypto_skcipher *tfm;
3524 
3625 	struct virtio_crypto_sym_session_info enc_sess_info;
3726 	struct virtio_crypto_sym_session_info dec_sess_info;
....@@ -42,8 +31,8 @@
4231 
4332 	/* Cipher or aead */
4433 	uint32_t type;
45
-	struct virtio_crypto_ablkcipher_ctx *ablkcipher_ctx;
46
-	struct ablkcipher_request *ablkcipher_req;
34
+	struct virtio_crypto_skcipher_ctx *skcipher_ctx;
35
+	struct skcipher_request *skcipher_req;
4736 	uint8_t *iv;
4837 	/* Encryption? */
4938 	bool encrypt;
....@@ -53,7 +42,7 @@
5342 	uint32_t algonum;
5443 	uint32_t service;
5544 	unsigned int active_devs;
56
-	struct crypto_alg algo;
45
+	struct skcipher_alg algo;
5746 };
5847 
5948 /*
....@@ -61,9 +50,9 @@
6150  * and crypto algorithms registion.
6251  */
6352 static DEFINE_MUTEX(algs_lock);
64
-static void virtio_crypto_ablkcipher_finalize_req(
53
+static void virtio_crypto_skcipher_finalize_req(
6554 	struct virtio_crypto_sym_request *vc_sym_req,
66
-	struct ablkcipher_request *req,
55
+	struct skcipher_request *req,
6756 	int err);
6857 
6958 static void virtio_crypto_dataq_sym_callback
....@@ -71,7 +60,7 @@
7160 {
7261 	struct virtio_crypto_sym_request *vc_sym_req =
7362 		container_of(vc_req, struct virtio_crypto_sym_request, base);
74
-	struct ablkcipher_request *ablk_req;
63
+	struct skcipher_request *ablk_req;
7564 	int error;
7665 
7766 	/* Finish the encrypt or decrypt process */
....@@ -91,8 +80,8 @@
9180 			error = -EIO;
9281 			break;
9382 		}
94
-		ablk_req = vc_sym_req->ablkcipher_req;
95
-		virtio_crypto_ablkcipher_finalize_req(vc_sym_req,
83
+		ablk_req = vc_sym_req->skcipher_req;
84
+		virtio_crypto_skcipher_finalize_req(vc_sym_req,
9685 							ablk_req, error);
9786 	}
9887 }
....@@ -122,8 +111,8 @@
122111 	return 0;
123112 }
124113 
125
-static int virtio_crypto_alg_ablkcipher_init_session(
126
-		struct virtio_crypto_ablkcipher_ctx *ctx,
114
+static int virtio_crypto_alg_skcipher_init_session(
115
+		struct virtio_crypto_skcipher_ctx *ctx,
127116 		uint32_t alg, const uint8_t *key,
128117 		unsigned int keylen,
129118 		int encrypt)
....@@ -139,12 +128,10 @@
139128 	 * Avoid to do DMA from the stack, switch to using
140129 	 * dynamically-allocated for the key
141130 	 */
142
-	uint8_t *cipher_key = kmalloc(keylen, GFP_ATOMIC);
131
+	uint8_t *cipher_key = kmemdup(key, keylen, GFP_ATOMIC);
143132 
144133 	if (!cipher_key)
145134 		return -ENOMEM;
146
-
147
-	memcpy(cipher_key, key, keylen);
148135 
149136 	spin_lock(&vcrypto->ctrl_lock);
150137 	/* Pad ctrl header */
....@@ -180,7 +167,7 @@
180167 				num_in, vcrypto, GFP_ATOMIC);
181168 	if (err < 0) {
182169 		spin_unlock(&vcrypto->ctrl_lock);
183
-		kzfree(cipher_key);
170
+		kfree_sensitive(cipher_key);
184171 		return err;
185172 	}
186173 	virtqueue_kick(vcrypto->ctrl_vq);
....@@ -197,7 +184,7 @@
197184 		spin_unlock(&vcrypto->ctrl_lock);
198185 		pr_err("virtio_crypto: Create session failed status: %u\n",
199186 			le32_to_cpu(vcrypto->input.status));
200
-		kzfree(cipher_key);
187
+		kfree_sensitive(cipher_key);
201188 		return -EINVAL;
202189 	}
203190 
....@@ -210,12 +197,12 @@
210197 
211198 	spin_unlock(&vcrypto->ctrl_lock);
212199 
213
-	kzfree(cipher_key);
200
+	kfree_sensitive(cipher_key);
214201 	return 0;
215202 }
216203 
217
-static int virtio_crypto_alg_ablkcipher_close_session(
218
-		struct virtio_crypto_ablkcipher_ctx *ctx,
204
+static int virtio_crypto_alg_skcipher_close_session(
205
+		struct virtio_crypto_skcipher_ctx *ctx,
219206 		int encrypt)
220207 {
221208 	struct scatterlist outhdr, status_sg, *sgs[2];
....@@ -275,8 +262,8 @@
275262 	return 0;
276263 }
277264 
278
-static int virtio_crypto_alg_ablkcipher_init_sessions(
279
-		struct virtio_crypto_ablkcipher_ctx *ctx,
265
+static int virtio_crypto_alg_skcipher_init_sessions(
266
+		struct virtio_crypto_skcipher_ctx *ctx,
280267 		const uint8_t *key, unsigned int keylen)
281268 {
282269 	uint32_t alg;
....@@ -285,37 +272,33 @@
285272 
286273 	if (keylen > vcrypto->max_cipher_key_len) {
287274 		pr_err("virtio_crypto: the key is too long\n");
288
-		goto bad_key;
275
+		return -EINVAL;
289276 	}
290277 
291278 	if (virtio_crypto_alg_validate_key(keylen, &alg))
292
-		goto bad_key;
279
+		return -EINVAL;
293280 
294281 	/* Create encryption session */
295
-	ret = virtio_crypto_alg_ablkcipher_init_session(ctx,
282
+	ret = virtio_crypto_alg_skcipher_init_session(ctx,
296283 			alg, key, keylen, 1);
297284 	if (ret)
298285 		return ret;
299286 	/* Create decryption session */
300
-	ret = virtio_crypto_alg_ablkcipher_init_session(ctx,
287
+	ret = virtio_crypto_alg_skcipher_init_session(ctx,
301288 			alg, key, keylen, 0);
302289 	if (ret) {
303
-		virtio_crypto_alg_ablkcipher_close_session(ctx, 1);
290
+		virtio_crypto_alg_skcipher_close_session(ctx, 1);
304291 		return ret;
305292 	}
306293 	return 0;
307
-
308
-bad_key:
309
-	crypto_tfm_set_flags(ctx->tfm, CRYPTO_TFM_RES_BAD_KEY_LEN);
310
-	return -EINVAL;
311294 }
312295 
313296 /* Note: kernel crypto API realization */
314
-static int virtio_crypto_ablkcipher_setkey(struct crypto_ablkcipher *tfm,
297
+static int virtio_crypto_skcipher_setkey(struct crypto_skcipher *tfm,
315298 					 const uint8_t *key,
316299 					 unsigned int keylen)
317300 {
318
-	struct virtio_crypto_ablkcipher_ctx *ctx = crypto_ablkcipher_ctx(tfm);
301
+	struct virtio_crypto_skcipher_ctx *ctx = crypto_skcipher_ctx(tfm);
319302 	uint32_t alg;
320303 	int ret;
321304 
....@@ -337,11 +320,11 @@
337320 		ctx->vcrypto = vcrypto;
338321 	} else {
339322 		/* Rekeying, we should close the created sessions previously */
340
-		virtio_crypto_alg_ablkcipher_close_session(ctx, 1);
341
-		virtio_crypto_alg_ablkcipher_close_session(ctx, 0);
323
+		virtio_crypto_alg_skcipher_close_session(ctx, 1);
324
+		virtio_crypto_alg_skcipher_close_session(ctx, 0);
342325 	}
343326 
344
-	ret = virtio_crypto_alg_ablkcipher_init_sessions(ctx, key, keylen);
327
+	ret = virtio_crypto_alg_skcipher_init_sessions(ctx, key, keylen);
345328 	if (ret) {
346329 		virtcrypto_dev_put(ctx->vcrypto);
347330 		ctx->vcrypto = NULL;
....@@ -353,14 +336,14 @@
353336 }
354337 
355338 static int
356
-__virtio_crypto_ablkcipher_do_req(struct virtio_crypto_sym_request *vc_sym_req,
357
-		struct ablkcipher_request *req,
339
+__virtio_crypto_skcipher_do_req(struct virtio_crypto_sym_request *vc_sym_req,
340
+		struct skcipher_request *req,
358341 		struct data_queue *data_vq)
359342 {
360
-	struct crypto_ablkcipher *tfm = crypto_ablkcipher_reqtfm(req);
361
-	struct virtio_crypto_ablkcipher_ctx *ctx = vc_sym_req->ablkcipher_ctx;
343
+	struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req);
344
+	struct virtio_crypto_skcipher_ctx *ctx = vc_sym_req->skcipher_ctx;
362345 	struct virtio_crypto_request *vc_req = &vc_sym_req->base;
363
-	unsigned int ivsize = crypto_ablkcipher_ivsize(tfm);
346
+	unsigned int ivsize = crypto_skcipher_ivsize(tfm);
364347 	struct virtio_crypto *vcrypto = ctx->vcrypto;
365348 	struct virtio_crypto_op_data_req *req_data;
366349 	int src_nents, dst_nents;
....@@ -373,7 +356,7 @@
373356 	uint8_t *iv;
374357 	struct scatterlist *sg;
375358 
376
-	src_nents = sg_nents_for_len(req->src, req->nbytes);
359
+	src_nents = sg_nents_for_len(req->src, req->cryptlen);
377360 	if (src_nents < 0) {
378361 		pr_err("Invalid number of src SG.\n");
379362 		return src_nents;
....@@ -409,13 +392,13 @@
409392 	} else {
410393 		req_data->header.session_id =
411394 			cpu_to_le64(ctx->dec_sess_info.session_id);
412
-	    req_data->header.opcode =
395
+		req_data->header.opcode =
413396 			cpu_to_le32(VIRTIO_CRYPTO_CIPHER_DECRYPT);
414397 	}
415398 	req_data->u.sym_req.op_type = cpu_to_le32(VIRTIO_CRYPTO_SYM_OP_CIPHER);
416399 	req_data->u.sym_req.u.cipher.para.iv_len = cpu_to_le32(ivsize);
417400 	req_data->u.sym_req.u.cipher.para.src_data_len =
418
-			cpu_to_le32(req->nbytes);
401
+			cpu_to_le32(req->cryptlen);
419402 
420403 	dst_len = virtio_crypto_alg_sg_nents_length(req->dst);
421404 	if (unlikely(dst_len > U32_MAX)) {
....@@ -424,11 +407,11 @@
424407 		goto free;
425408 	}
426409 
427
-	dst_len = min_t(unsigned int, req->nbytes, dst_len);
410
+	dst_len = min_t(unsigned int, req->cryptlen, dst_len);
428411 	pr_debug("virtio_crypto: src_len: %u, dst_len: %llu\n",
429
-			req->nbytes, dst_len);
412
+			req->cryptlen, dst_len);
430413 
431
-	if (unlikely(req->nbytes + dst_len + ivsize +
414
+	if (unlikely(req->cryptlen + dst_len + ivsize +
432415 		sizeof(vc_req->status) > vcrypto->max_size)) {
433416 		pr_err("virtio_crypto: The length is too big\n");
434417 		err = -EINVAL;
....@@ -454,10 +437,10 @@
454437 		err = -ENOMEM;
455438 		goto free;
456439 	}
457
-	memcpy(iv, req->info, ivsize);
440
+	memcpy(iv, req->iv, ivsize);
458441 	if (!vc_sym_req->encrypt)
459
-		scatterwalk_map_and_copy(req->info, req->src,
460
-					 req->nbytes - AES_BLOCK_SIZE,
442
+		scatterwalk_map_and_copy(req->iv, req->src,
443
+					 req->cryptlen - AES_BLOCK_SIZE,
461444 					 AES_BLOCK_SIZE, 0);
462445 
463446 	sg_init_one(&iv_sg, iv, ivsize);
....@@ -489,100 +472,100 @@
489472 	return 0;
490473 
491474 free_iv:
492
-	kzfree(iv);
475
+	kfree_sensitive(iv);
493476 free:
494
-	kzfree(req_data);
477
+	kfree_sensitive(req_data);
495478 	kfree(sgs);
496479 	return err;
497480 }
498481 
499
-static int virtio_crypto_ablkcipher_encrypt(struct ablkcipher_request *req)
482
+static int virtio_crypto_skcipher_encrypt(struct skcipher_request *req)
500483 {
501
-	struct crypto_ablkcipher *atfm = crypto_ablkcipher_reqtfm(req);
502
-	struct virtio_crypto_ablkcipher_ctx *ctx = crypto_ablkcipher_ctx(atfm);
484
+	struct crypto_skcipher *atfm = crypto_skcipher_reqtfm(req);
485
+	struct virtio_crypto_skcipher_ctx *ctx = crypto_skcipher_ctx(atfm);
503486 	struct virtio_crypto_sym_request *vc_sym_req =
504
-				ablkcipher_request_ctx(req);
487
+				skcipher_request_ctx(req);
505488 	struct virtio_crypto_request *vc_req = &vc_sym_req->base;
506489 	struct virtio_crypto *vcrypto = ctx->vcrypto;
507490 	/* Use the first data virtqueue as default */
508491 	struct data_queue *data_vq = &vcrypto->data_vq[0];
509492 
510
-	if (!req->nbytes)
493
+	if (!req->cryptlen)
511494 		return 0;
512
-	if (req->nbytes % AES_BLOCK_SIZE)
495
+	if (req->cryptlen % AES_BLOCK_SIZE)
513496 		return -EINVAL;
514497 
515498 	vc_req->dataq = data_vq;
516499 	vc_req->alg_cb = virtio_crypto_dataq_sym_callback;
517
-	vc_sym_req->ablkcipher_ctx = ctx;
518
-	vc_sym_req->ablkcipher_req = req;
500
+	vc_sym_req->skcipher_ctx = ctx;
501
+	vc_sym_req->skcipher_req = req;
519502 	vc_sym_req->encrypt = true;
520503 
521
-	return crypto_transfer_ablkcipher_request_to_engine(data_vq->engine, req);
504
+	return crypto_transfer_skcipher_request_to_engine(data_vq->engine, req);
522505 }
523506 
524
-static int virtio_crypto_ablkcipher_decrypt(struct ablkcipher_request *req)
507
+static int virtio_crypto_skcipher_decrypt(struct skcipher_request *req)
525508 {
526
-	struct crypto_ablkcipher *atfm = crypto_ablkcipher_reqtfm(req);
527
-	struct virtio_crypto_ablkcipher_ctx *ctx = crypto_ablkcipher_ctx(atfm);
509
+	struct crypto_skcipher *atfm = crypto_skcipher_reqtfm(req);
510
+	struct virtio_crypto_skcipher_ctx *ctx = crypto_skcipher_ctx(atfm);
528511 	struct virtio_crypto_sym_request *vc_sym_req =
529
-				ablkcipher_request_ctx(req);
512
+				skcipher_request_ctx(req);
530513 	struct virtio_crypto_request *vc_req = &vc_sym_req->base;
531514 	struct virtio_crypto *vcrypto = ctx->vcrypto;
532515 	/* Use the first data virtqueue as default */
533516 	struct data_queue *data_vq = &vcrypto->data_vq[0];
534517 
535
-	if (!req->nbytes)
518
+	if (!req->cryptlen)
536519 		return 0;
537
-	if (req->nbytes % AES_BLOCK_SIZE)
520
+	if (req->cryptlen % AES_BLOCK_SIZE)
538521 		return -EINVAL;
539522 
540523 	vc_req->dataq = data_vq;
541524 	vc_req->alg_cb = virtio_crypto_dataq_sym_callback;
542
-	vc_sym_req->ablkcipher_ctx = ctx;
543
-	vc_sym_req->ablkcipher_req = req;
525
+	vc_sym_req->skcipher_ctx = ctx;
526
+	vc_sym_req->skcipher_req = req;
544527 	vc_sym_req->encrypt = false;
545528 
546
-	return crypto_transfer_ablkcipher_request_to_engine(data_vq->engine, req);
529
+	return crypto_transfer_skcipher_request_to_engine(data_vq->engine, req);
547530 }
548531 
549
-static int virtio_crypto_ablkcipher_init(struct crypto_tfm *tfm)
532
+static int virtio_crypto_skcipher_init(struct crypto_skcipher *tfm)
550533 {
551
-	struct virtio_crypto_ablkcipher_ctx *ctx = crypto_tfm_ctx(tfm);
534
+	struct virtio_crypto_skcipher_ctx *ctx = crypto_skcipher_ctx(tfm);
552535 
553
-	tfm->crt_ablkcipher.reqsize = sizeof(struct virtio_crypto_sym_request);
536
+	crypto_skcipher_set_reqsize(tfm, sizeof(struct virtio_crypto_sym_request));
554537 	ctx->tfm = tfm;
555538 
556
-	ctx->enginectx.op.do_one_request = virtio_crypto_ablkcipher_crypt_req;
539
+	ctx->enginectx.op.do_one_request = virtio_crypto_skcipher_crypt_req;
557540 	ctx->enginectx.op.prepare_request = NULL;
558541 	ctx->enginectx.op.unprepare_request = NULL;
559542 	return 0;
560543 }
561544 
562
-static void virtio_crypto_ablkcipher_exit(struct crypto_tfm *tfm)
545
+static void virtio_crypto_skcipher_exit(struct crypto_skcipher *tfm)
563546 {
564
-	struct virtio_crypto_ablkcipher_ctx *ctx = crypto_tfm_ctx(tfm);
547
+	struct virtio_crypto_skcipher_ctx *ctx = crypto_skcipher_ctx(tfm);
565548 
566549 	if (!ctx->vcrypto)
567550 		return;
568551 
569
-	virtio_crypto_alg_ablkcipher_close_session(ctx, 1);
570
-	virtio_crypto_alg_ablkcipher_close_session(ctx, 0);
552
+	virtio_crypto_alg_skcipher_close_session(ctx, 1);
553
+	virtio_crypto_alg_skcipher_close_session(ctx, 0);
571554 	virtcrypto_dev_put(ctx->vcrypto);
572555 	ctx->vcrypto = NULL;
573556 }
574557 
575
-int virtio_crypto_ablkcipher_crypt_req(
558
+int virtio_crypto_skcipher_crypt_req(
576559 	struct crypto_engine *engine, void *vreq)
577560 {
578
-	struct ablkcipher_request *req = container_of(vreq, struct ablkcipher_request, base);
561
+	struct skcipher_request *req = container_of(vreq, struct skcipher_request, base);
579562 	struct virtio_crypto_sym_request *vc_sym_req =
580
-				ablkcipher_request_ctx(req);
563
+				skcipher_request_ctx(req);
581564 	struct virtio_crypto_request *vc_req = &vc_sym_req->base;
582565 	struct data_queue *data_vq = vc_req->dataq;
583566 	int ret;
584567 
585
-	ret = __virtio_crypto_ablkcipher_do_req(vc_sym_req, req, data_vq);
568
+	ret = __virtio_crypto_skcipher_do_req(vc_sym_req, req, data_vq);
586569 	if (ret < 0)
587570 		return ret;
588571 
....@@ -591,19 +574,19 @@
591574 	return 0;
592575 }
593576 
594
-static void virtio_crypto_ablkcipher_finalize_req(
577
+static void virtio_crypto_skcipher_finalize_req(
595578 	struct virtio_crypto_sym_request *vc_sym_req,
596
-	struct ablkcipher_request *req,
579
+	struct skcipher_request *req,
597580 	int err)
598581 {
599582 	if (vc_sym_req->encrypt)
600
-		scatterwalk_map_and_copy(req->info, req->dst,
601
-					 req->nbytes - AES_BLOCK_SIZE,
583
+		scatterwalk_map_and_copy(req->iv, req->dst,
584
+					 req->cryptlen - AES_BLOCK_SIZE,
602585 					 AES_BLOCK_SIZE, 0);
603
-	kzfree(vc_sym_req->iv);
586
+	kfree_sensitive(vc_sym_req->iv);
604587 	virtcrypto_clear_request(&vc_sym_req->base);
605588 
606
-	crypto_finalize_ablkcipher_request(vc_sym_req->base.dataq->engine,
589
+	crypto_finalize_skcipher_request(vc_sym_req->base.dataq->engine,
607590 					   req, err);
608591 }
609592 
....@@ -611,27 +594,22 @@
611594 	.algonum = VIRTIO_CRYPTO_CIPHER_AES_CBC,
612595 	.service = VIRTIO_CRYPTO_SERVICE_CIPHER,
613596 	.algo = {
614
-		.cra_name = "cbc(aes)",
615
-		.cra_driver_name = "virtio_crypto_aes_cbc",
616
-		.cra_priority = 150,
617
-		.cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER | CRYPTO_ALG_ASYNC,
618
-		.cra_blocksize = AES_BLOCK_SIZE,
619
-		.cra_ctxsize  = sizeof(struct virtio_crypto_ablkcipher_ctx),
620
-		.cra_alignmask = 0,
621
-		.cra_module = THIS_MODULE,
622
-		.cra_type = &crypto_ablkcipher_type,
623
-		.cra_init = virtio_crypto_ablkcipher_init,
624
-		.cra_exit = virtio_crypto_ablkcipher_exit,
625
-		.cra_u = {
626
-			.ablkcipher = {
627
-				.setkey = virtio_crypto_ablkcipher_setkey,
628
-				.decrypt = virtio_crypto_ablkcipher_decrypt,
629
-				.encrypt = virtio_crypto_ablkcipher_encrypt,
630
-				.min_keysize = AES_MIN_KEY_SIZE,
631
-				.max_keysize = AES_MAX_KEY_SIZE,
632
-				.ivsize = AES_BLOCK_SIZE,
633
-			},
634
-		},
597
+		.base.cra_name		= "cbc(aes)",
598
+		.base.cra_driver_name	= "virtio_crypto_aes_cbc",
599
+		.base.cra_priority	= 150,
600
+		.base.cra_flags		= CRYPTO_ALG_ASYNC |
601
+					  CRYPTO_ALG_ALLOCATES_MEMORY,
602
+		.base.cra_blocksize	= AES_BLOCK_SIZE,
603
+		.base.cra_ctxsize	= sizeof(struct virtio_crypto_skcipher_ctx),
604
+		.base.cra_module	= THIS_MODULE,
605
+		.init			= virtio_crypto_skcipher_init,
606
+		.exit			= virtio_crypto_skcipher_exit,
607
+		.setkey			= virtio_crypto_skcipher_setkey,
608
+		.decrypt		= virtio_crypto_skcipher_decrypt,
609
+		.encrypt		= virtio_crypto_skcipher_encrypt,
610
+		.min_keysize		= AES_MIN_KEY_SIZE,
611
+		.max_keysize		= AES_MAX_KEY_SIZE,
612
+		.ivsize			= AES_BLOCK_SIZE,
635613 	},
636614 } };
637615 
....@@ -651,14 +629,14 @@
651629 			continue;
652630 
653631 		if (virtio_crypto_algs[i].active_devs == 0) {
654
-			ret = crypto_register_alg(&virtio_crypto_algs[i].algo);
632
+			ret = crypto_register_skcipher(&virtio_crypto_algs[i].algo);
655633 			if (ret)
656634 				goto unlock;
657635 		}
658636 
659637 		virtio_crypto_algs[i].active_devs++;
660638 		dev_info(&vcrypto->vdev->dev, "Registered algo %s\n",
661
-			 virtio_crypto_algs[i].algo.cra_name);
639
+			 virtio_crypto_algs[i].algo.base.cra_name);
662640 	}
663641 
664642 unlock:
....@@ -682,7 +660,7 @@
682660 			continue;
683661 
684662 		if (virtio_crypto_algs[i].active_devs == 1)
685
-			crypto_unregister_alg(&virtio_crypto_algs[i].algo);
663
+			crypto_unregister_skcipher(&virtio_crypto_algs[i].algo);
686664 
687665 		virtio_crypto_algs[i].active_devs--;
688666 	}