aegis128-core.c

   1 // SPDX-License-Identifier: GPL-2.0-or-later
   2 /*
   3  * The AEGIS-128 Authenticated-Encryption Algorithm
   4  *
   5  * Copyright (c) 2017-2018 Ondrej Mosnacek <omosnacek@gmail.com>
   6  * Copyright (C) 2017-2018 Red Hat, Inc. All rights reserved.
   7  */
   8
   9 #include <crypto/algapi.h>
  10 #include <crypto/internal/aead.h>
  11 #include <crypto/internal/simd.h>
  12 #include <crypto/internal/skcipher.h>
  13 #include <crypto/scatterwalk.h>
  14 #include <linux/err.h>
  15 #include <linux/init.h>
  16 #include <linux/jump_label.h>
  17 #include <linux/kernel.h>
  18 #include <linux/module.h>
  19 #include <linux/scatterlist.h>
  20
  21 #include <asm/simd.h>
  22
  23 #include "aegis.h"
  24
  25 #define AEGIS128_NONCE_SIZE 16
  26 #define AEGIS128_STATE_BLOCKS 5
  27 #define AEGIS128_KEY_SIZE 16
  28 #define AEGIS128_MIN_AUTH_SIZE 8
  29 #define AEGIS128_MAX_AUTH_SIZE 16
  30
  31 struct aegis_state {
  32         union aegis_block blocks[AEGIS128_STATE_BLOCKS];
  33 };
  34
  35 struct aegis_ctx {
  36         union aegis_block key;
  37 };
  38
  39 static __ro_after_init DEFINE_STATIC_KEY_FALSE(have_simd);
  40
  41 static const union aegis_block crypto_aegis_const[2] = {
  42         { .words64 = {
  43                 cpu_to_le64(U64_C(0x0d08050302010100)),
  44                 cpu_to_le64(U64_C(0x6279e99059372215)),
  45         } },
  46         { .words64 = {
  47                 cpu_to_le64(U64_C(0xf12fc26d55183ddb)),
  48                 cpu_to_le64(U64_C(0xdd28b57342311120)),
  49         } },
  50 };
  51
  52 static bool aegis128_do_simd(void)
  53 {
  54 #ifdef CONFIG_CRYPTO_AEGIS128_SIMD
  55         if (static_branch_likely(&have_simd))
  56                 return crypto_simd_usable();
  57 #endif
  58         return false;
  59 }
  60
  61 static void crypto_aegis128_update(struct aegis_state *state)
  62 {
  63         union aegis_block tmp;
  64         unsigned int i;
  65
  66         tmp = state->blocks[AEGIS128_STATE_BLOCKS - 1];
  67         for (i = AEGIS128_STATE_BLOCKS - 1; i > 0; i--)
  68                 crypto_aegis_aesenc(&state->blocks[i], &state->blocks[i - 1],
  69                                     &state->blocks[i]);
  70         crypto_aegis_aesenc(&state->blocks[0], &tmp, &state->blocks[0]);
  71 }
  72
  73 static void crypto_aegis128_update_a(struct aegis_state *state,
  74                                      const union aegis_block *msg,
  75                                      bool do_simd)
  76 {
  77         if (IS_ENABLED(CONFIG_CRYPTO_AEGIS128_SIMD) && do_simd) {
  78                 crypto_aegis128_update_simd(state, msg);
  79                 return;
  80         }
  81
  82         crypto_aegis128_update(state);
  83         crypto_aegis_block_xor(&state->blocks[0], msg);
  84 }
  85
  86 static void crypto_aegis128_update_u(struct aegis_state *state, const void *msg,
  87                                      bool do_simd)
  88 {
  89         if (IS_ENABLED(CONFIG_CRYPTO_AEGIS128_SIMD) && do_simd) {
  90                 crypto_aegis128_update_simd(state, msg);
  91                 return;
  92         }
  93
  94         crypto_aegis128_update(state);
  95         crypto_xor(state->blocks[0].bytes, msg, AEGIS_BLOCK_SIZE);
  96 }
  97
  98 static void crypto_aegis128_init(struct aegis_state *state,
  99                                  const union aegis_block *key,
 100                                  const u8 *iv)
 101 {
 102         union aegis_block key_iv;
 103         unsigned int i;
 104
 105         key_iv = *key;
 106         crypto_xor(key_iv.bytes, iv, AEGIS_BLOCK_SIZE);
 107
 108         state->blocks[0] = key_iv;
 109         state->blocks[1] = crypto_aegis_const[1];
 110         state->blocks[2] = crypto_aegis_const[0];
 111         state->blocks[3] = *key;
 112         state->blocks[4] = *key;
 113
 114         crypto_aegis_block_xor(&state->blocks[3], &crypto_aegis_const[0]);
 115         crypto_aegis_block_xor(&state->blocks[4], &crypto_aegis_const[1]);
 116
 117         for (i = 0; i < 5; i++) {
 118                 crypto_aegis128_update_a(state, key, false);
 119                 crypto_aegis128_update_a(state, &key_iv, false);
 120         }
 121 }
 122
 123 static void crypto_aegis128_ad(struct aegis_state *state,
 124                                const u8 *src, unsigned int size,
 125                                bool do_simd)
 126 {
 127         if (AEGIS_ALIGNED(src)) {
 128                 const union aegis_block *src_blk =
 129                                 (const union aegis_block *)src;
 130
 131                 while (size >= AEGIS_BLOCK_SIZE) {
 132                         crypto_aegis128_update_a(state, src_blk, do_simd);
 133
 134                         size -= AEGIS_BLOCK_SIZE;
 135                         src_blk++;
 136                 }
 137         } else {
 138                 while (size >= AEGIS_BLOCK_SIZE) {
 139                         crypto_aegis128_update_u(state, src, do_simd);
 140
 141                         size -= AEGIS_BLOCK_SIZE;
 142                         src += AEGIS_BLOCK_SIZE;
 143                 }
 144         }
 145 }
 146
 147 static void crypto_aegis128_wipe_chunk(struct aegis_state *state, u8 *dst,
 148                                        const u8 *src, unsigned int size)
 149 {
 150         memzero_explicit(dst, size);
 151 }
 152
 153 static void crypto_aegis128_encrypt_chunk(struct aegis_state *state, u8 *dst,
 154                                           const u8 *src, unsigned int size)
 155 {
 156         union aegis_block tmp;
 157
 158         if (AEGIS_ALIGNED(src) && AEGIS_ALIGNED(dst)) {
 159                 while (size >= AEGIS_BLOCK_SIZE) {
 160                         union aegis_block *dst_blk =
 161                                         (union aegis_block *)dst;
 162                         const union aegis_block *src_blk =
 163                                         (const union aegis_block *)src;
 164
 165                         tmp = state->blocks[2];
 166                         crypto_aegis_block_and(&tmp, &state->blocks[3]);
 167                         crypto_aegis_block_xor(&tmp, &state->blocks[4]);
 168                         crypto_aegis_block_xor(&tmp, &state->blocks[1]);
 169                         crypto_aegis_block_xor(&tmp, src_blk);
 170
 171                         crypto_aegis128_update_a(state, src_blk, false);
 172
 173                         *dst_blk = tmp;
 174
 175                         size -= AEGIS_BLOCK_SIZE;
 176                         src += AEGIS_BLOCK_SIZE;
 177                         dst += AEGIS_BLOCK_SIZE;
 178                 }
 179         } else {
 180                 while (size >= AEGIS_BLOCK_SIZE) {
 181                         tmp = state->blocks[2];
 182                         crypto_aegis_block_and(&tmp, &state->blocks[3]);
 183                         crypto_aegis_block_xor(&tmp, &state->blocks[4]);
 184                         crypto_aegis_block_xor(&tmp, &state->blocks[1]);
 185                         crypto_xor(tmp.bytes, src, AEGIS_BLOCK_SIZE);
 186
 187                         crypto_aegis128_update_u(state, src, false);
 188
 189                         memcpy(dst, tmp.bytes, AEGIS_BLOCK_SIZE);
 190
 191                         size -= AEGIS_BLOCK_SIZE;
 192                         src += AEGIS_BLOCK_SIZE;
 193                         dst += AEGIS_BLOCK_SIZE;
 194                 }
 195         }
 196
 197         if (size > 0) {
 198                 union aegis_block msg = {};
 199                 memcpy(msg.bytes, src, size);
 200
 201                 tmp = state->blocks[2];
 202                 crypto_aegis_block_and(&tmp, &state->blocks[3]);
 203                 crypto_aegis_block_xor(&tmp, &state->blocks[4]);
 204                 crypto_aegis_block_xor(&tmp, &state->blocks[1]);
 205
 206                 crypto_aegis128_update_a(state, &msg, false);
 207
 208                 crypto_aegis_block_xor(&msg, &tmp);
 209
 210                 memcpy(dst, msg.bytes, size);
 211         }
 212 }
 213
 214 static void crypto_aegis128_decrypt_chunk(struct aegis_state *state, u8 *dst,
 215                                           const u8 *src, unsigned int size)
 216 {
 217         union aegis_block tmp;
 218
 219         if (AEGIS_ALIGNED(src) && AEGIS_ALIGNED(dst)) {
 220                 while (size >= AEGIS_BLOCK_SIZE) {
 221                         union aegis_block *dst_blk =
 222                                         (union aegis_block *)dst;
 223                         const union aegis_block *src_blk =
 224                                         (const union aegis_block *)src;
 225
 226                         tmp = state->blocks[2];
 227                         crypto_aegis_block_and(&tmp, &state->blocks[3]);
 228                         crypto_aegis_block_xor(&tmp, &state->blocks[4]);
 229                         crypto_aegis_block_xor(&tmp, &state->blocks[1]);
 230                         crypto_aegis_block_xor(&tmp, src_blk);
 231
 232                         crypto_aegis128_update_a(state, &tmp, false);
 233
 234                         *dst_blk = tmp;
 235
 236                         size -= AEGIS_BLOCK_SIZE;
 237                         src += AEGIS_BLOCK_SIZE;
 238                         dst += AEGIS_BLOCK_SIZE;
 239                 }
 240         } else {
 241                 while (size >= AEGIS_BLOCK_SIZE) {
 242                         tmp = state->blocks[2];
 243                         crypto_aegis_block_and(&tmp, &state->blocks[3]);
 244                         crypto_aegis_block_xor(&tmp, &state->blocks[4]);
 245                         crypto_aegis_block_xor(&tmp, &state->blocks[1]);
 246                         crypto_xor(tmp.bytes, src, AEGIS_BLOCK_SIZE);
 247
 248                         crypto_aegis128_update_a(state, &tmp, false);
 249
 250                         memcpy(dst, tmp.bytes, AEGIS_BLOCK_SIZE);
 251
 252                         size -= AEGIS_BLOCK_SIZE;
 253                         src += AEGIS_BLOCK_SIZE;
 254                         dst += AEGIS_BLOCK_SIZE;
 255                 }
 256         }
 257
 258         if (size > 0) {
 259                 union aegis_block msg = {};
 260                 memcpy(msg.bytes, src, size);
 261
 262                 tmp = state->blocks[2];
 263                 crypto_aegis_block_and(&tmp, &state->blocks[3]);
 264                 crypto_aegis_block_xor(&tmp, &state->blocks[4]);
 265                 crypto_aegis_block_xor(&tmp, &state->blocks[1]);
 266                 crypto_aegis_block_xor(&msg, &tmp);
 267
 268                 memset(msg.bytes + size, 0, AEGIS_BLOCK_SIZE - size);
 269
 270                 crypto_aegis128_update_a(state, &msg, false);
 271
 272                 memcpy(dst, msg.bytes, size);
 273         }
 274 }
 275
 276 static void crypto_aegis128_process_ad(struct aegis_state *state,
 277                                        struct scatterlist *sg_src,
 278                                        unsigned int assoclen,
 279                                        bool do_simd)
 280 {
 281         struct scatter_walk walk;
 282         union aegis_block buf;
 283         unsigned int pos = 0;
 284
 285         scatterwalk_start(&walk, sg_src);
 286         while (assoclen != 0) {
 287                 unsigned int size = scatterwalk_clamp(&walk, assoclen);
 288                 unsigned int left = size;
 289                 void *mapped = scatterwalk_map(&walk);
 290                 const u8 *src = (const u8 *)mapped;
 291
 292                 if (pos + size >= AEGIS_BLOCK_SIZE) {
 293                         if (pos > 0) {
 294                                 unsigned int fill = AEGIS_BLOCK_SIZE - pos;
 295                                 memcpy(buf.bytes + pos, src, fill);
 296                                 crypto_aegis128_update_a(state, &buf, do_simd);
 297                                 pos = 0;
 298                                 left -= fill;
 299                                 src += fill;
 300                         }
 301
 302                         crypto_aegis128_ad(state, src, left, do_simd);
 303                         src += left & ~(AEGIS_BLOCK_SIZE - 1);
 304                         left &= AEGIS_BLOCK_SIZE - 1;
 305                 }
 306
 307                 memcpy(buf.bytes + pos, src, left);
 308
 309                 pos += left;
 310                 assoclen -= size;
 311                 scatterwalk_unmap(mapped);
 312                 scatterwalk_advance(&walk, size);
 313                 scatterwalk_done(&walk, 0, assoclen);
 314         }
 315
 316         if (pos > 0) {
 317                 memset(buf.bytes + pos, 0, AEGIS_BLOCK_SIZE - pos);
 318                 crypto_aegis128_update_a(state, &buf, do_simd);
 319         }
 320 }
 321
 322 static __always_inline
 323 int crypto_aegis128_process_crypt(struct aegis_state *state,
 324                                   struct skcipher_walk *walk,
 325                                   void (*crypt)(struct aegis_state *state,
 326                                                 u8 *dst, const u8 *src,
 327                                                 unsigned int size))
 328 {
 329         int err = 0;
 330
 331         while (walk->nbytes) {
 332                 unsigned int nbytes = walk->nbytes;
 333
 334                 if (nbytes < walk->total)
 335                         nbytes = round_down(nbytes, walk->stride);
 336
 337                 crypt(state, walk->dst.virt.addr, walk->src.virt.addr, nbytes);
 338
 339                 err = skcipher_walk_done(walk, walk->nbytes - nbytes);
 340         }
 341         return err;
 342 }
 343
 344 static void crypto_aegis128_final(struct aegis_state *state,
 345                                   union aegis_block *tag_xor,
 346                                   u64 assoclen, u64 cryptlen)
 347 {
 348         u64 assocbits = assoclen * 8;
 349         u64 cryptbits = cryptlen * 8;
 350
 351         union aegis_block tmp;
 352         unsigned int i;
 353
 354         tmp.words64[0] = cpu_to_le64(assocbits);
 355         tmp.words64[1] = cpu_to_le64(cryptbits);
 356
 357         crypto_aegis_block_xor(&tmp, &state->blocks[3]);
 358
 359         for (i = 0; i < 7; i++)
 360                 crypto_aegis128_update_a(state, &tmp, false);
 361
 362         for (i = 0; i < AEGIS128_STATE_BLOCKS; i++)
 363                 crypto_aegis_block_xor(tag_xor, &state->blocks[i]);
 364 }
 365
 366 static int crypto_aegis128_setkey(struct crypto_aead *aead, const u8 *key,
 367                                   unsigned int keylen)
 368 {
 369         struct aegis_ctx *ctx = crypto_aead_ctx(aead);
 370
 371         if (keylen != AEGIS128_KEY_SIZE)
 372                 return -EINVAL;
 373
 374         memcpy(ctx->key.bytes, key, AEGIS128_KEY_SIZE);
 375         return 0;
 376 }
 377
 378 static int crypto_aegis128_setauthsize(struct crypto_aead *tfm,
 379                                        unsigned int authsize)
 380 {
 381         if (authsize > AEGIS128_MAX_AUTH_SIZE)
 382                 return -EINVAL;
 383         if (authsize < AEGIS128_MIN_AUTH_SIZE)
 384                 return -EINVAL;
 385         return 0;
 386 }
 387
 388 static int crypto_aegis128_encrypt_generic(struct aead_request *req)
 389 {
 390         struct crypto_aead *tfm = crypto_aead_reqtfm(req);
 391         union aegis_block tag = {};
 392         unsigned int authsize = crypto_aead_authsize(tfm);
 393         struct aegis_ctx *ctx = crypto_aead_ctx(tfm);
 394         unsigned int cryptlen = req->cryptlen;
 395         struct skcipher_walk walk;
 396         struct aegis_state state;
 397
 398         skcipher_walk_aead_encrypt(&walk, req, false);
 399         crypto_aegis128_init(&state, &ctx->key, req->iv);
 400         crypto_aegis128_process_ad(&state, req->src, req->assoclen, false);
 401         crypto_aegis128_process_crypt(&state, &walk,
 402                                       crypto_aegis128_encrypt_chunk);
 403         crypto_aegis128_final(&state, &tag, req->assoclen, cryptlen);
 404
 405         scatterwalk_map_and_copy(tag.bytes, req->dst, req->assoclen + cryptlen,
 406                                  authsize, 1);
 407         return 0;
 408 }
 409
 410 static int crypto_aegis128_decrypt_generic(struct aead_request *req)
 411 {
 412         static const u8 zeros[AEGIS128_MAX_AUTH_SIZE] = {};
 413         struct crypto_aead *tfm = crypto_aead_reqtfm(req);
 414         union aegis_block tag;
 415         unsigned int authsize = crypto_aead_authsize(tfm);
 416         unsigned int cryptlen = req->cryptlen - authsize;
 417         struct aegis_ctx *ctx = crypto_aead_ctx(tfm);
 418         struct skcipher_walk walk;
 419         struct aegis_state state;
 420
 421         scatterwalk_map_and_copy(tag.bytes, req->src, req->assoclen + cryptlen,
 422                                  authsize, 0);
 423
 424         skcipher_walk_aead_decrypt(&walk, req, false);
 425         crypto_aegis128_init(&state, &ctx->key, req->iv);
 426         crypto_aegis128_process_ad(&state, req->src, req->assoclen, false);
 427         crypto_aegis128_process_crypt(&state, &walk,
 428                                       crypto_aegis128_decrypt_chunk);
 429         crypto_aegis128_final(&state, &tag, req->assoclen, cryptlen);
 430
 431         if (unlikely(crypto_memneq(tag.bytes, zeros, authsize))) {
 432                 /*
 433                  * From Chapter 4. 'Security Analysis' of the AEGIS spec [0]
 434                  *
 435                  * "3. If verification fails, the decrypted plaintext and the
 436                  *     wrong authentication tag should not be given as output."
 437                  *
 438                  * [0] https://competitions.cr.yp.to/round3/aegisv11.pdf
 439                  */
 440                 skcipher_walk_aead_decrypt(&walk, req, false);
 441                 crypto_aegis128_process_crypt(NULL, &walk,
 442                                               crypto_aegis128_wipe_chunk);
 443                 memzero_explicit(&tag, sizeof(tag));
 444                 return -EBADMSG;
 445         }
 446         return 0;
 447 }
 448
 449 static int crypto_aegis128_encrypt_simd(struct aead_request *req)
 450 {
 451         struct crypto_aead *tfm = crypto_aead_reqtfm(req);
 452         union aegis_block tag = {};
 453         unsigned int authsize = crypto_aead_authsize(tfm);
 454         struct aegis_ctx *ctx = crypto_aead_ctx(tfm);
 455         unsigned int cryptlen = req->cryptlen;
 456         struct skcipher_walk walk;
 457         struct aegis_state state;
 458
 459         if (!aegis128_do_simd())
 460                 return crypto_aegis128_encrypt_generic(req);
 461
 462         skcipher_walk_aead_encrypt(&walk, req, false);
 463         crypto_aegis128_init_simd(&state, &ctx->key, req->iv);
 464         crypto_aegis128_process_ad(&state, req->src, req->assoclen, true);
 465         crypto_aegis128_process_crypt(&state, &walk,
 466                                       crypto_aegis128_encrypt_chunk_simd);
 467         crypto_aegis128_final_simd(&state, &tag, req->assoclen, cryptlen, 0);
 468
 469         scatterwalk_map_and_copy(tag.bytes, req->dst, req->assoclen + cryptlen,
 470                                  authsize, 1);
 471         return 0;
 472 }
 473
 474 static int crypto_aegis128_decrypt_simd(struct aead_request *req)
 475 {
 476         struct crypto_aead *tfm = crypto_aead_reqtfm(req);
 477         union aegis_block tag;
 478         unsigned int authsize = crypto_aead_authsize(tfm);
 479         unsigned int cryptlen = req->cryptlen - authsize;
 480         struct aegis_ctx *ctx = crypto_aead_ctx(tfm);
 481         struct skcipher_walk walk;
 482         struct aegis_state state;
 483
 484         if (!aegis128_do_simd())
 485                 return crypto_aegis128_decrypt_generic(req);
 486
 487         scatterwalk_map_and_copy(tag.bytes, req->src, req->assoclen + cryptlen,
 488                                  authsize, 0);
 489
 490         skcipher_walk_aead_decrypt(&walk, req, false);
 491         crypto_aegis128_init_simd(&state, &ctx->key, req->iv);
 492         crypto_aegis128_process_ad(&state, req->src, req->assoclen, true);
 493         crypto_aegis128_process_crypt(&state, &walk,
 494                                       crypto_aegis128_decrypt_chunk_simd);
 495
 496         if (unlikely(crypto_aegis128_final_simd(&state, &tag, req->assoclen,
 497                                                 cryptlen, authsize))) {
 498                 skcipher_walk_aead_decrypt(&walk, req, false);
 499                 crypto_aegis128_process_crypt(NULL, &walk,
 500                                               crypto_aegis128_wipe_chunk);
 501                 return -EBADMSG;
 502         }
 503         return 0;
 504 }
 505
 506 static struct aead_alg crypto_aegis128_alg_generic = {
 507         .setkey                 = crypto_aegis128_setkey,
 508         .setauthsize            = crypto_aegis128_setauthsize,
 509         .encrypt                = crypto_aegis128_encrypt_generic,
 510         .decrypt                = crypto_aegis128_decrypt_generic,
 511
 512         .ivsize                 = AEGIS128_NONCE_SIZE,
 513         .maxauthsize            = AEGIS128_MAX_AUTH_SIZE,
 514         .chunksize              = AEGIS_BLOCK_SIZE,
 515
 516         .base.cra_blocksize     = 1,
 517         .base.cra_ctxsize       = sizeof(struct aegis_ctx),
 518         .base.cra_alignmask     = 0,
 519         .base.cra_priority      = 100,
 520         .base.cra_name          = "aegis128",
 521         .base.cra_driver_name   = "aegis128-generic",
 522         .base.cra_module        = THIS_MODULE,
 523 };
 524
 525 static struct aead_alg crypto_aegis128_alg_simd = {
 526         .setkey                 = crypto_aegis128_setkey,
 527         .setauthsize            = crypto_aegis128_setauthsize,
 528         .encrypt                = crypto_aegis128_encrypt_simd,
 529         .decrypt                = crypto_aegis128_decrypt_simd,
 530
 531         .ivsize                 = AEGIS128_NONCE_SIZE,
 532         .maxauthsize            = AEGIS128_MAX_AUTH_SIZE,
 533         .chunksize              = AEGIS_BLOCK_SIZE,
 534
 535         .base.cra_blocksize     = 1,
 536         .base.cra_ctxsize       = sizeof(struct aegis_ctx),
 537         .base.cra_alignmask     = 0,
 538         .base.cra_priority      = 200,
 539         .base.cra_name          = "aegis128",
 540         .base.cra_driver_name   = "aegis128-simd",
 541         .base.cra_module        = THIS_MODULE,
 542 };
 543
 544 static int __init crypto_aegis128_module_init(void)
 545 {
 546         int ret;
 547
 548         ret = crypto_register_aead(&crypto_aegis128_alg_generic);
 549         if (ret)
 550                 return ret;
 551
 552         if (IS_ENABLED(CONFIG_CRYPTO_AEGIS128_SIMD) &&
 553             crypto_aegis128_have_simd()) {
 554                 ret = crypto_register_aead(&crypto_aegis128_alg_simd);
 555                 if (ret) {
 556                         crypto_unregister_aead(&crypto_aegis128_alg_generic);
 557                         return ret;
 558                 }
 559                 static_branch_enable(&have_simd);
 560         }
 561         return 0;
 562 }
 563
 564 static void __exit crypto_aegis128_module_exit(void)
 565 {
 566         if (IS_ENABLED(CONFIG_CRYPTO_AEGIS128_SIMD) &&
 567             crypto_aegis128_have_simd())
 568                 crypto_unregister_aead(&crypto_aegis128_alg_simd);
 569
 570         crypto_unregister_aead(&crypto_aegis128_alg_generic);
 571 }
 572
 573 subsys_initcall(crypto_aegis128_module_init);
 574 module_exit(crypto_aegis128_module_exit);
 575
 576 MODULE_LICENSE("GPL");
 577 MODULE_AUTHOR("Ondrej Mosnacek <omosnacek@gmail.com>");
 578 MODULE_DESCRIPTION("AEGIS-128 AEAD algorithm");
 579 MODULE_ALIAS_CRYPTO("aegis128");
 580 MODULE_ALIAS_CRYPTO("aegis128-generic");
 581 MODULE_ALIAS_CRYPTO("aegis128-simd");