summaryrefslogtreecommitdiff
path: root/crypto/aegis128-core.c
blob: 89dc1c5596890d7e6822dbc33caec72441de8bdc (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
// SPDX-License-Identifier: GPL-2.0-or-later
/*
 * The AEGIS-128 Authenticated-Encryption Algorithm
 *
 * Copyright (c) 2017-2018 Ondrej Mosnacek <omosnacek@gmail.com>
 * Copyright (C) 2017-2018 Red Hat, Inc. All rights reserved.
 */

#include <crypto/algapi.h>
#include <crypto/internal/aead.h>
#include <crypto/internal/simd.h>
#include <crypto/internal/skcipher.h>
#include <crypto/scatterwalk.h>
#include <linux/err.h>
#include <linux/init.h>
#include <linux/jump_label.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/scatterlist.h>

#include <asm/simd.h>

#include "aegis.h"

#define AEGIS128_NONCE_SIZE 16
#define AEGIS128_STATE_BLOCKS 5
#define AEGIS128_KEY_SIZE 16
#define AEGIS128_MIN_AUTH_SIZE 8
#define AEGIS128_MAX_AUTH_SIZE 16

struct aegis_state {
	union aegis_block blocks[AEGIS128_STATE_BLOCKS];
};

struct aegis_ctx {
	union aegis_block key;
};

static __ro_after_init DEFINE_STATIC_KEY_FALSE(have_simd);

static const union aegis_block crypto_aegis_const[2] = {
	{ .words64 = {
		cpu_to_le64(U64_C(0x0d08050302010100)),
		cpu_to_le64(U64_C(0x6279e99059372215)),
	} },
	{ .words64 = {
		cpu_to_le64(U64_C(0xf12fc26d55183ddb)),
		cpu_to_le64(U64_C(0xdd28b57342311120)),
	} },
};

static bool aegis128_do_simd(void)
{
#ifdef CONFIG_CRYPTO_AEGIS128_SIMD
	if (static_branch_likely(&have_simd))
		return crypto_simd_usable();
#endif
	return false;
}

bool crypto_aegis128_have_simd(void);
void crypto_aegis128_update_simd(struct aegis_state *state, const void *msg);
void crypto_aegis128_init_simd(struct aegis_state *state,
			       const union aegis_block *key,
			       const u8 *iv);
void crypto_aegis128_encrypt_chunk_simd(struct aegis_state *state, u8 *dst,
					const u8 *src, unsigned int size);
void crypto_aegis128_decrypt_chunk_simd(struct aegis_state *state, u8 *dst,
					const u8 *src, unsigned int size);
int crypto_aegis128_final_simd(struct aegis_state *state,
			       union aegis_block *tag_xor,
			       unsigned int assoclen,
			       unsigned int cryptlen,
			       unsigned int authsize);

static void crypto_aegis128_update(struct aegis_state *state)
{
	union aegis_block tmp;
	unsigned int i;

	tmp = state->blocks[AEGIS128_STATE_BLOCKS - 1];
	for (i = AEGIS128_STATE_BLOCKS - 1; i > 0; i--)
		crypto_aegis_aesenc(&state->blocks[i], &state->blocks[i - 1],
				    &state->blocks[i]);
	crypto_aegis_aesenc(&state->blocks[0], &tmp, &state->blocks[0]);
}

static void crypto_aegis128_update_a(struct aegis_state *state,
				     const union aegis_block *msg,
				     bool do_simd)
{
	if (IS_ENABLED(CONFIG_CRYPTO_AEGIS128_SIMD) && do_simd) {
		crypto_aegis128_update_simd(state, msg);
		return;
	}

	crypto_aegis128_update(state);
	crypto_aegis_block_xor(&state->blocks[0], msg);
}

static void crypto_aegis128_update_u(struct aegis_state *state, const void *msg,
				     bool do_simd)
{
	if (IS_ENABLED(CONFIG_CRYPTO_AEGIS128_SIMD) && do_simd) {
		crypto_aegis128_update_simd(state, msg);
		return;
	}

	crypto_aegis128_update(state);
	crypto_xor(state->blocks[0].bytes, msg, AEGIS_BLOCK_SIZE);
}

static void crypto_aegis128_init(struct aegis_state *state,
				 const union aegis_block *key,
				 const u8 *iv)
{
	union aegis_block key_iv;
	unsigned int i;

	key_iv = *key;
	crypto_xor(key_iv.bytes, iv, AEGIS_BLOCK_SIZE);

	state->blocks[0] = key_iv;
	state->blocks[1] = crypto_aegis_const[1];
	state->blocks[2] = crypto_aegis_const[0];
	state->blocks[3] = *key;
	state->blocks[4] = *key;

	crypto_aegis_block_xor(&state->blocks[3], &crypto_aegis_const[0]);
	crypto_aegis_block_xor(&state->blocks[4], &crypto_aegis_const[1]);

	for (i = 0; i < 5; i++) {
		crypto_aegis128_update_a(state, key, false);
		crypto_aegis128_update_a(state, &key_iv, false);
	}
}

static void crypto_aegis128_ad(struct aegis_state *state,
			       const u8 *src, unsigned int size,
			       bool do_simd)
{
	if (AEGIS_ALIGNED(src)) {
		const union aegis_block *src_blk =
				(const union aegis_block *)src;

		while (size >= AEGIS_BLOCK_SIZE) {
			crypto_aegis128_update_a(state, src_blk, do_simd);

			size -= AEGIS_BLOCK_SIZE;
			src_blk++;
		}
	} else {
		while (size >= AEGIS_BLOCK_SIZE) {
			crypto_aegis128_update_u(state, src, do_simd);

			size -= AEGIS_BLOCK_SIZE;
			src += AEGIS_BLOCK_SIZE;
		}
	}
}

static void crypto_aegis128_wipe_chunk(struct aegis_state *state, u8 *dst,
				       const u8 *src, unsigned int size)
{
	memzero_explicit(dst, size);
}

static void crypto_aegis128_encrypt_chunk(struct aegis_state *state, u8 *dst,
					  const u8 *src, unsigned int size)
{
	union aegis_block tmp;

	if (AEGIS_ALIGNED(src) && AEGIS_ALIGNED(dst)) {
		while (size >= AEGIS_BLOCK_SIZE) {
			union aegis_block *dst_blk =
					(union aegis_block *)dst;
			const union aegis_block *src_blk =
					(const union aegis_block *)src;

			tmp = state->blocks[2];
			crypto_aegis_block_and(&tmp, &state->blocks[3]);
			crypto_aegis_block_xor(&tmp, &state->blocks[4]);
			crypto_aegis_block_xor(&tmp, &state->blocks[1]);
			crypto_aegis_block_xor(&tmp, src_blk);

			crypto_aegis128_update_a(state, src_blk, false);

			*dst_blk = tmp;

			size -= AEGIS_BLOCK_SIZE;
			src += AEGIS_BLOCK_SIZE;
			dst += AEGIS_BLOCK_SIZE;
		}
	} else {
		while (size >= AEGIS_BLOCK_SIZE) {
			tmp = state->blocks[2];
			crypto_aegis_block_and(&tmp, &state->blocks[3]);
			crypto_aegis_block_xor(&tmp, &state->blocks[4]);
			crypto_aegis_block_xor(&tmp, &state->blocks[1]);
			crypto_xor(tmp.bytes, src, AEGIS_BLOCK_SIZE);

			crypto_aegis128_update_u(state, src, false);

			memcpy(dst, tmp.bytes, AEGIS_BLOCK_SIZE);

			size -= AEGIS_BLOCK_SIZE;
			src += AEGIS_BLOCK_SIZE;
			dst += AEGIS_BLOCK_SIZE;
		}
	}

	if (size > 0) {
		union aegis_block msg = {};
		memcpy(msg.bytes, src, size);

		tmp = state->blocks[2];
		crypto_aegis_block_and(&tmp, &state->blocks[3]);
		crypto_aegis_block_xor(&tmp, &state->blocks[4]);
		crypto_aegis_block_xor(&tmp, &state->blocks[1]);

		crypto_aegis128_update_a(state, &msg, false);

		crypto_aegis_block_xor(&msg, &tmp);

		memcpy(dst, msg.bytes, size);
	}
}

static void crypto_aegis128_decrypt_chunk(struct aegis_state *state, u8 *dst,
					  const u8 *src, unsigned int size)
{
	union aegis_block tmp;

	if (AEGIS_ALIGNED(src) && AEGIS_ALIGNED(dst)) {
		while (size >= AEGIS_BLOCK_SIZE) {
			union aegis_block *dst_blk =
					(union aegis_block *)dst;
			const union aegis_block *src_blk =
					(const union aegis_block *)src;

			tmp = state->blocks[2];
			crypto_aegis_block_and(&tmp, &state->blocks[3]);
			crypto_aegis_block_xor(&tmp, &state->blocks[4]);
			crypto_aegis_block_xor(&tmp, &state->blocks[1]);
			crypto_aegis_block_xor(&tmp, src_blk);

			crypto_aegis128_update_a(state, &tmp, false);

			*dst_blk = tmp;

			size -= AEGIS_BLOCK_SIZE;
			src += AEGIS_BLOCK_SIZE;
			dst += AEGIS_BLOCK_SIZE;
		}
	} else {
		while (size >= AEGIS_BLOCK_SIZE) {
			tmp = state->blocks[2];
			crypto_aegis_block_and(&tmp, &state->blocks[3]);
			crypto_aegis_block_xor(&tmp, &state->blocks[4]);
			crypto_aegis_block_xor(&tmp, &state->blocks[1]);
			crypto_xor(tmp.bytes, src, AEGIS_BLOCK_SIZE);

			crypto_aegis128_update_a(state, &tmp, false);

			memcpy(dst, tmp.bytes, AEGIS_BLOCK_SIZE);

			size -= AEGIS_BLOCK_SIZE;
			src += AEGIS_BLOCK_SIZE;
			dst += AEGIS_BLOCK_SIZE;
		}
	}

	if (size > 0) {
		union aegis_block msg = {};
		memcpy(msg.bytes, src, size);

		tmp = state->blocks[2];
		crypto_aegis_block_and(&tmp, &state->blocks[3]);
		crypto_aegis_block_xor(&tmp, &state->blocks[4]);
		crypto_aegis_block_xor(&tmp, &state->blocks[1]);
		crypto_aegis_block_xor(&msg, &tmp);

		memset(msg.bytes + size, 0, AEGIS_BLOCK_SIZE - size);

		crypto_aegis128_update_a(state, &msg, false);

		memcpy(dst, msg.bytes, size);
	}
}

static void crypto_aegis128_process_ad(struct aegis_state *state,
				       struct scatterlist *sg_src,
				       unsigned int assoclen,
				       bool do_simd)
{
	struct scatter_walk walk;
	union aegis_block buf;
	unsigned int pos = 0;

	scatterwalk_start(&walk, sg_src);
	while (assoclen != 0) {
		unsigned int size = scatterwalk_clamp(&walk, assoclen);
		unsigned int left = size;
		void *mapped = scatterwalk_map(&walk);
		const u8 *src = (const u8 *)mapped;

		if (pos + size >= AEGIS_BLOCK_SIZE) {
			if (pos > 0) {
				unsigned int fill = AEGIS_BLOCK_SIZE - pos;
				memcpy(buf.bytes + pos, src, fill);
				crypto_aegis128_update_a(state, &buf, do_simd);
				pos = 0;
				left -= fill;
				src += fill;
			}

			crypto_aegis128_ad(state, src, left, do_simd);
			src += left & ~(AEGIS_BLOCK_SIZE - 1);
			left &= AEGIS_BLOCK_SIZE - 1;
		}

		memcpy(buf.bytes + pos, src, left);

		pos += left;
		assoclen -= size;
		scatterwalk_unmap(mapped);
		scatterwalk_advance(&walk, size);
		scatterwalk_done(&walk, 0, assoclen);
	}

	if (pos > 0) {
		memset(buf.bytes + pos, 0, AEGIS_BLOCK_SIZE - pos);
		crypto_aegis128_update_a(state, &buf, do_simd);
	}
}

static __always_inline
int crypto_aegis128_process_crypt(struct aegis_state *state,
				  struct skcipher_walk *walk,
				  void (*crypt)(struct aegis_state *state,
					        u8 *dst, const u8 *src,
					        unsigned int size))
{
	int err = 0;

	while (walk->nbytes) {
		unsigned int nbytes = walk->nbytes;

		if (nbytes < walk->total)
			nbytes = round_down(nbytes, walk->stride);

		crypt(state, walk->dst.virt.addr, walk->src.virt.addr, nbytes);

		err = skcipher_walk_done(walk, walk->nbytes - nbytes);
	}
	return err;
}

static void crypto_aegis128_final(struct aegis_state *state,
				  union aegis_block *tag_xor,
				  u64 assoclen, u64 cryptlen)
{
	u64 assocbits = assoclen * 8;
	u64 cryptbits = cryptlen * 8;

	union aegis_block tmp;
	unsigned int i;

	tmp.words64[0] = cpu_to_le64(assocbits);
	tmp.words64[1] = cpu_to_le64(cryptbits);

	crypto_aegis_block_xor(&tmp, &state->blocks[3]);

	for (i = 0; i < 7; i++)
		crypto_aegis128_update_a(state, &tmp, false);

	for (i = 0; i < AEGIS128_STATE_BLOCKS; i++)
		crypto_aegis_block_xor(tag_xor, &state->blocks[i]);
}

static int crypto_aegis128_setkey(struct crypto_aead *aead, const u8 *key,
				  unsigned int keylen)
{
	struct aegis_ctx *ctx = crypto_aead_ctx(aead);

	if (keylen != AEGIS128_KEY_SIZE)
		return -EINVAL;

	memcpy(ctx->key.bytes, key, AEGIS128_KEY_SIZE);
	return 0;
}

static int crypto_aegis128_setauthsize(struct crypto_aead *tfm,
				       unsigned int authsize)
{
	if (authsize > AEGIS128_MAX_AUTH_SIZE)
		return -EINVAL;
	if (authsize < AEGIS128_MIN_AUTH_SIZE)
		return -EINVAL;
	return 0;
}

static int crypto_aegis128_encrypt_generic(struct aead_request *req)
{
	struct crypto_aead *tfm = crypto_aead_reqtfm(req);
	union aegis_block tag = {};
	unsigned int authsize = crypto_aead_authsize(tfm);
	struct aegis_ctx *ctx = crypto_aead_ctx(tfm);
	unsigned int cryptlen = req->cryptlen;
	struct skcipher_walk walk;
	struct aegis_state state;

	skcipher_walk_aead_encrypt(&walk, req, false);
	crypto_aegis128_init(&state, &ctx->key, req->iv);
	crypto_aegis128_process_ad(&state, req->src, req->assoclen, false);
	crypto_aegis128_process_crypt(&state, &walk,
				      crypto_aegis128_encrypt_chunk);
	crypto_aegis128_final(&state, &tag, req->assoclen, cryptlen);

	scatterwalk_map_and_copy(tag.bytes, req->dst, req->assoclen + cryptlen,
				 authsize, 1);
	return 0;
}

static int crypto_aegis128_decrypt_generic(struct aead_request *req)
{
	static const u8 zeros[AEGIS128_MAX_AUTH_SIZE] = {};
	struct crypto_aead *tfm = crypto_aead_reqtfm(req);
	union aegis_block tag;
	unsigned int authsize = crypto_aead_authsize(tfm);
	unsigned int cryptlen = req->cryptlen - authsize;
	struct aegis_ctx *ctx = crypto_aead_ctx(tfm);
	struct skcipher_walk walk;
	struct aegis_state state;

	scatterwalk_map_and_copy(tag.bytes, req->src, req->assoclen + cryptlen,
				 authsize, 0);

	skcipher_walk_aead_decrypt(&walk, req, false);
	crypto_aegis128_init(&state, &ctx->key, req->iv);
	crypto_aegis128_process_ad(&state, req->src, req->assoclen, false);
	crypto_aegis128_process_crypt(&state, &walk,
				      crypto_aegis128_decrypt_chunk);
	crypto_aegis128_final(&state, &tag, req->assoclen, cryptlen);

	if (unlikely(crypto_memneq(tag.bytes, zeros, authsize))) {
		/*
		 * From Chapter 4. 'Security Analysis' of the AEGIS spec [0]
		 *
		 * "3. If verification fails, the decrypted plaintext and the
		 *     wrong authentication tag should not be given as output."
		 *
		 * [0] https://competitions.cr.yp.to/round3/aegisv11.pdf
		 */
		skcipher_walk_aead_decrypt(&walk, req, false);
		crypto_aegis128_process_crypt(NULL, &walk,
					      crypto_aegis128_wipe_chunk);
		memzero_explicit(&tag, sizeof(tag));
		return -EBADMSG;
	}
	return 0;
}

static int crypto_aegis128_encrypt_simd(struct aead_request *req)
{
	struct crypto_aead *tfm = crypto_aead_reqtfm(req);
	union aegis_block tag = {};
	unsigned int authsize = crypto_aead_authsize(tfm);
	struct aegis_ctx *ctx = crypto_aead_ctx(tfm);
	unsigned int cryptlen = req->cryptlen;
	struct skcipher_walk walk;
	struct aegis_state state;

	if (!aegis128_do_simd())
		return crypto_aegis128_encrypt_generic(req);

	skcipher_walk_aead_encrypt(&walk, req, false);
	crypto_aegis128_init_simd(&state, &ctx->key, req->iv);
	crypto_aegis128_process_ad(&state, req->src, req->assoclen, true);
	crypto_aegis128_process_crypt(&state, &walk,
				      crypto_aegis128_encrypt_chunk_simd);
	crypto_aegis128_final_simd(&state, &tag, req->assoclen, cryptlen, 0);

	scatterwalk_map_and_copy(tag.bytes, req->dst, req->assoclen + cryptlen,
				 authsize, 1);
	return 0;
}

static int crypto_aegis128_decrypt_simd(struct aead_request *req)
{
	struct crypto_aead *tfm = crypto_aead_reqtfm(req);
	union aegis_block tag;
	unsigned int authsize = crypto_aead_authsize(tfm);
	unsigned int cryptlen = req->cryptlen - authsize;
	struct aegis_ctx *ctx = crypto_aead_ctx(tfm);
	struct skcipher_walk walk;
	struct aegis_state state;

	if (!aegis128_do_simd())
		return crypto_aegis128_decrypt_generic(req);

	scatterwalk_map_and_copy(tag.bytes, req->src, req->assoclen + cryptlen,
				 authsize, 0);

	skcipher_walk_aead_decrypt(&walk, req, false);
	crypto_aegis128_init_simd(&state, &ctx->key, req->iv);
	crypto_aegis128_process_ad(&state, req->src, req->assoclen, true);
	crypto_aegis128_process_crypt(&state, &walk,
				      crypto_aegis128_decrypt_chunk_simd);

	if (unlikely(crypto_aegis128_final_simd(&state, &tag, req->assoclen,
						cryptlen, authsize))) {
		skcipher_walk_aead_decrypt(&walk, req, false);
		crypto_aegis128_process_crypt(NULL, &walk,
					      crypto_aegis128_wipe_chunk);
		return -EBADMSG;
	}
	return 0;
}

static struct aead_alg crypto_aegis128_alg_generic = {
	.setkey			= crypto_aegis128_setkey,
	.setauthsize		= crypto_aegis128_setauthsize,
	.encrypt		= crypto_aegis128_encrypt_generic,
	.decrypt		= crypto_aegis128_decrypt_generic,

	.ivsize			= AEGIS128_NONCE_SIZE,
	.maxauthsize		= AEGIS128_MAX_AUTH_SIZE,
	.chunksize		= AEGIS_BLOCK_SIZE,

	.base.cra_blocksize	= 1,
	.base.cra_ctxsize	= sizeof(struct aegis_ctx),
	.base.cra_alignmask	= 0,
	.base.cra_priority	= 100,
	.base.cra_name		= "aegis128",
	.base.cra_driver_name	= "aegis128-generic",
	.base.cra_module	= THIS_MODULE,
};

static struct aead_alg crypto_aegis128_alg_simd = {
	.setkey			= crypto_aegis128_setkey,
	.setauthsize		= crypto_aegis128_setauthsize,
	.encrypt		= crypto_aegis128_encrypt_simd,
	.decrypt		= crypto_aegis128_decrypt_simd,

	.ivsize			= AEGIS128_NONCE_SIZE,
	.maxauthsize		= AEGIS128_MAX_AUTH_SIZE,
	.chunksize		= AEGIS_BLOCK_SIZE,

	.base.cra_blocksize	= 1,
	.base.cra_ctxsize	= sizeof(struct aegis_ctx),
	.base.cra_alignmask	= 0,
	.base.cra_priority	= 200,
	.base.cra_name		= "aegis128",
	.base.cra_driver_name	= "aegis128-simd",
	.base.cra_module	= THIS_MODULE,
};

static int __init crypto_aegis128_module_init(void)
{
	int ret;

	ret = crypto_register_aead(&crypto_aegis128_alg_generic);
	if (ret)
		return ret;

	if (IS_ENABLED(CONFIG_CRYPTO_AEGIS128_SIMD) &&
	    crypto_aegis128_have_simd()) {
		ret = crypto_register_aead(&crypto_aegis128_alg_simd);
		if (ret) {
			crypto_unregister_aead(&crypto_aegis128_alg_generic);
			return ret;
		}
		static_branch_enable(&have_simd);
	}
	return 0;
}

static void __exit crypto_aegis128_module_exit(void)
{
	if (IS_ENABLED(CONFIG_CRYPTO_AEGIS128_SIMD) &&
	    crypto_aegis128_have_simd())
		crypto_unregister_aead(&crypto_aegis128_alg_simd);

	crypto_unregister_aead(&crypto_aegis128_alg_generic);
}

subsys_initcall(crypto_aegis128_module_init);
module_exit(crypto_aegis128_module_exit);

MODULE_LICENSE("GPL");
MODULE_AUTHOR("Ondrej Mosnacek <omosnacek@gmail.com>");
MODULE_DESCRIPTION("AEGIS-128 AEAD algorithm");
MODULE_ALIAS_CRYPTO("aegis128");
MODULE_ALIAS_CRYPTO("aegis128-generic");
MODULE_ALIAS_CRYPTO("aegis128-simd");