Commit | Line | Data |
---|---|---|
4d6d6a2c JG |
1 | /* |
2 | * Glue Code for the AVX assembler implemention of the Cast5 Cipher | |
3 | * | |
4 | * Copyright (C) 2012 Johannes Goetzfried | |
5 | * <Johannes.Goetzfried@informatik.stud.uni-erlangen.de> | |
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, write to the Free Software | |
19 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 | |
20 | * USA | |
21 | * | |
22 | */ | |
23 | ||
24 | #include <linux/module.h> | |
25 | #include <linux/hardirq.h> | |
26 | #include <linux/types.h> | |
27 | #include <linux/crypto.h> | |
28 | #include <linux/err.h> | |
29 | #include <crypto/algapi.h> | |
30 | #include <crypto/cast5.h> | |
31 | #include <crypto/cryptd.h> | |
32 | #include <crypto/ctr.h> | |
33 | #include <asm/xcr.h> | |
34 | #include <asm/xsave.h> | |
35 | #include <asm/crypto/ablk_helper.h> | |
36 | #include <asm/crypto/glue_helper.h> | |
37 | ||
38 | #define CAST5_PARALLEL_BLOCKS 16 | |
39 | ||
40 | asmlinkage void __cast5_enc_blk_16way(struct cast5_ctx *ctx, u8 *dst, | |
41 | const u8 *src, bool xor); | |
42 | asmlinkage void cast5_dec_blk_16way(struct cast5_ctx *ctx, u8 *dst, | |
43 | const u8 *src); | |
44 | ||
45 | static inline void cast5_enc_blk_xway(struct cast5_ctx *ctx, u8 *dst, | |
46 | const u8 *src) | |
47 | { | |
48 | __cast5_enc_blk_16way(ctx, dst, src, false); | |
49 | } | |
50 | ||
51 | static inline void cast5_enc_blk_xway_xor(struct cast5_ctx *ctx, u8 *dst, | |
52 | const u8 *src) | |
53 | { | |
54 | __cast5_enc_blk_16way(ctx, dst, src, true); | |
55 | } | |
56 | ||
57 | static inline void cast5_dec_blk_xway(struct cast5_ctx *ctx, u8 *dst, | |
58 | const u8 *src) | |
59 | { | |
60 | cast5_dec_blk_16way(ctx, dst, src); | |
61 | } | |
62 | ||
63 | ||
64 | static inline bool cast5_fpu_begin(bool fpu_enabled, unsigned int nbytes) | |
65 | { | |
66 | return glue_fpu_begin(CAST5_BLOCK_SIZE, CAST5_PARALLEL_BLOCKS, | |
67 | NULL, fpu_enabled, nbytes); | |
68 | } | |
69 | ||
70 | static inline void cast5_fpu_end(bool fpu_enabled) | |
71 | { | |
72 | return glue_fpu_end(fpu_enabled); | |
73 | } | |
74 | ||
75 | static int ecb_crypt(struct blkcipher_desc *desc, struct blkcipher_walk *walk, | |
76 | bool enc) | |
77 | { | |
78 | bool fpu_enabled = false; | |
79 | struct cast5_ctx *ctx = crypto_blkcipher_ctx(desc->tfm); | |
80 | const unsigned int bsize = CAST5_BLOCK_SIZE; | |
81 | unsigned int nbytes; | |
82 | int err; | |
83 | ||
84 | err = blkcipher_walk_virt(desc, walk); | |
85 | desc->flags &= ~CRYPTO_TFM_REQ_MAY_SLEEP; | |
86 | ||
87 | while ((nbytes = walk->nbytes)) { | |
88 | u8 *wsrc = walk->src.virt.addr; | |
89 | u8 *wdst = walk->dst.virt.addr; | |
90 | ||
91 | fpu_enabled = cast5_fpu_begin(fpu_enabled, nbytes); | |
92 | ||
93 | /* Process multi-block batch */ | |
94 | if (nbytes >= bsize * CAST5_PARALLEL_BLOCKS) { | |
95 | do { | |
96 | if (enc) | |
97 | cast5_enc_blk_xway(ctx, wdst, wsrc); | |
98 | else | |
99 | cast5_dec_blk_xway(ctx, wdst, wsrc); | |
100 | ||
101 | wsrc += bsize * CAST5_PARALLEL_BLOCKS; | |
102 | wdst += bsize * CAST5_PARALLEL_BLOCKS; | |
103 | nbytes -= bsize * CAST5_PARALLEL_BLOCKS; | |
104 | } while (nbytes >= bsize * CAST5_PARALLEL_BLOCKS); | |
105 | ||
106 | if (nbytes < bsize) | |
107 | goto done; | |
108 | } | |
109 | ||
110 | /* Handle leftovers */ | |
111 | do { | |
112 | if (enc) | |
113 | __cast5_encrypt(ctx, wdst, wsrc); | |
114 | else | |
115 | __cast5_decrypt(ctx, wdst, wsrc); | |
116 | ||
117 | wsrc += bsize; | |
118 | wdst += bsize; | |
119 | nbytes -= bsize; | |
120 | } while (nbytes >= bsize); | |
121 | ||
122 | done: | |
123 | err = blkcipher_walk_done(desc, walk, nbytes); | |
124 | } | |
125 | ||
126 | cast5_fpu_end(fpu_enabled); | |
127 | return err; | |
128 | } | |
129 | ||
130 | static int ecb_encrypt(struct blkcipher_desc *desc, struct scatterlist *dst, | |
131 | struct scatterlist *src, unsigned int nbytes) | |
132 | { | |
133 | struct blkcipher_walk walk; | |
134 | ||
135 | blkcipher_walk_init(&walk, dst, src, nbytes); | |
136 | return ecb_crypt(desc, &walk, true); | |
137 | } | |
138 | ||
139 | static int ecb_decrypt(struct blkcipher_desc *desc, struct scatterlist *dst, | |
140 | struct scatterlist *src, unsigned int nbytes) | |
141 | { | |
142 | struct blkcipher_walk walk; | |
143 | ||
144 | blkcipher_walk_init(&walk, dst, src, nbytes); | |
145 | return ecb_crypt(desc, &walk, false); | |
146 | } | |
147 | ||
148 | static unsigned int __cbc_encrypt(struct blkcipher_desc *desc, | |
149 | struct blkcipher_walk *walk) | |
150 | { | |
151 | struct cast5_ctx *ctx = crypto_blkcipher_ctx(desc->tfm); | |
152 | const unsigned int bsize = CAST5_BLOCK_SIZE; | |
153 | unsigned int nbytes = walk->nbytes; | |
154 | u64 *src = (u64 *)walk->src.virt.addr; | |
155 | u64 *dst = (u64 *)walk->dst.virt.addr; | |
156 | u64 *iv = (u64 *)walk->iv; | |
157 | ||
158 | do { | |
159 | *dst = *src ^ *iv; | |
160 | __cast5_encrypt(ctx, (u8 *)dst, (u8 *)dst); | |
161 | iv = dst; | |
162 | ||
163 | src += 1; | |
164 | dst += 1; | |
165 | nbytes -= bsize; | |
166 | } while (nbytes >= bsize); | |
167 | ||
168 | *(u64 *)walk->iv ^= *iv; | |
169 | return nbytes; | |
170 | } | |
171 | ||
172 | static int cbc_encrypt(struct blkcipher_desc *desc, struct scatterlist *dst, | |
173 | struct scatterlist *src, unsigned int nbytes) | |
174 | { | |
175 | struct blkcipher_walk walk; | |
176 | int err; | |
177 | ||
178 | blkcipher_walk_init(&walk, dst, src, nbytes); | |
179 | err = blkcipher_walk_virt(desc, &walk); | |
180 | ||
181 | while ((nbytes = walk.nbytes)) { | |
182 | nbytes = __cbc_encrypt(desc, &walk); | |
183 | err = blkcipher_walk_done(desc, &walk, nbytes); | |
184 | } | |
185 | ||
186 | return err; | |
187 | } | |
188 | ||
189 | static unsigned int __cbc_decrypt(struct blkcipher_desc *desc, | |
190 | struct blkcipher_walk *walk) | |
191 | { | |
192 | struct cast5_ctx *ctx = crypto_blkcipher_ctx(desc->tfm); | |
193 | const unsigned int bsize = CAST5_BLOCK_SIZE; | |
194 | unsigned int nbytes = walk->nbytes; | |
195 | u64 *src = (u64 *)walk->src.virt.addr; | |
196 | u64 *dst = (u64 *)walk->dst.virt.addr; | |
197 | u64 ivs[CAST5_PARALLEL_BLOCKS - 1]; | |
198 | u64 last_iv; | |
199 | int i; | |
200 | ||
201 | /* Start of the last block. */ | |
202 | src += nbytes / bsize - 1; | |
203 | dst += nbytes / bsize - 1; | |
204 | ||
205 | last_iv = *src; | |
206 | ||
207 | /* Process multi-block batch */ | |
208 | if (nbytes >= bsize * CAST5_PARALLEL_BLOCKS) { | |
209 | do { | |
210 | nbytes -= bsize * (CAST5_PARALLEL_BLOCKS - 1); | |
211 | src -= CAST5_PARALLEL_BLOCKS - 1; | |
212 | dst -= CAST5_PARALLEL_BLOCKS - 1; | |
213 | ||
214 | for (i = 0; i < CAST5_PARALLEL_BLOCKS - 1; i++) | |
215 | ivs[i] = src[i]; | |
216 | ||
217 | cast5_dec_blk_xway(ctx, (u8 *)dst, (u8 *)src); | |
218 | ||
219 | for (i = 0; i < CAST5_PARALLEL_BLOCKS - 1; i++) | |
220 | *(dst + (i + 1)) ^= *(ivs + i); | |
221 | ||
222 | nbytes -= bsize; | |
223 | if (nbytes < bsize) | |
224 | goto done; | |
225 | ||
226 | *dst ^= *(src - 1); | |
227 | src -= 1; | |
228 | dst -= 1; | |
229 | } while (nbytes >= bsize * CAST5_PARALLEL_BLOCKS); | |
230 | ||
231 | if (nbytes < bsize) | |
232 | goto done; | |
233 | } | |
234 | ||
235 | /* Handle leftovers */ | |
236 | for (;;) { | |
237 | __cast5_decrypt(ctx, (u8 *)dst, (u8 *)src); | |
238 | ||
239 | nbytes -= bsize; | |
240 | if (nbytes < bsize) | |
241 | break; | |
242 | ||
243 | *dst ^= *(src - 1); | |
244 | src -= 1; | |
245 | dst -= 1; | |
246 | } | |
247 | ||
248 | done: | |
249 | *dst ^= *(u64 *)walk->iv; | |
250 | *(u64 *)walk->iv = last_iv; | |
251 | ||
252 | return nbytes; | |
253 | } | |
254 | ||
255 | static int cbc_decrypt(struct blkcipher_desc *desc, struct scatterlist *dst, | |
256 | struct scatterlist *src, unsigned int nbytes) | |
257 | { | |
258 | bool fpu_enabled = false; | |
259 | struct blkcipher_walk walk; | |
260 | int err; | |
261 | ||
262 | blkcipher_walk_init(&walk, dst, src, nbytes); | |
263 | err = blkcipher_walk_virt(desc, &walk); | |
264 | desc->flags &= ~CRYPTO_TFM_REQ_MAY_SLEEP; | |
265 | ||
266 | while ((nbytes = walk.nbytes)) { | |
267 | fpu_enabled = cast5_fpu_begin(fpu_enabled, nbytes); | |
268 | nbytes = __cbc_decrypt(desc, &walk); | |
269 | err = blkcipher_walk_done(desc, &walk, nbytes); | |
270 | } | |
271 | ||
272 | cast5_fpu_end(fpu_enabled); | |
273 | return err; | |
274 | } | |
275 | ||
276 | static void ctr_crypt_final(struct blkcipher_desc *desc, | |
277 | struct blkcipher_walk *walk) | |
278 | { | |
279 | struct cast5_ctx *ctx = crypto_blkcipher_ctx(desc->tfm); | |
280 | u8 *ctrblk = walk->iv; | |
281 | u8 keystream[CAST5_BLOCK_SIZE]; | |
282 | u8 *src = walk->src.virt.addr; | |
283 | u8 *dst = walk->dst.virt.addr; | |
284 | unsigned int nbytes = walk->nbytes; | |
285 | ||
286 | __cast5_encrypt(ctx, keystream, ctrblk); | |
287 | crypto_xor(keystream, src, nbytes); | |
288 | memcpy(dst, keystream, nbytes); | |
289 | ||
290 | crypto_inc(ctrblk, CAST5_BLOCK_SIZE); | |
291 | } | |
292 | ||
293 | static unsigned int __ctr_crypt(struct blkcipher_desc *desc, | |
294 | struct blkcipher_walk *walk) | |
295 | { | |
296 | struct cast5_ctx *ctx = crypto_blkcipher_ctx(desc->tfm); | |
297 | const unsigned int bsize = CAST5_BLOCK_SIZE; | |
298 | unsigned int nbytes = walk->nbytes; | |
299 | u64 *src = (u64 *)walk->src.virt.addr; | |
300 | u64 *dst = (u64 *)walk->dst.virt.addr; | |
301 | u64 ctrblk = be64_to_cpu(*(__be64 *)walk->iv); | |
302 | __be64 ctrblocks[CAST5_PARALLEL_BLOCKS]; | |
303 | int i; | |
304 | ||
305 | /* Process multi-block batch */ | |
306 | if (nbytes >= bsize * CAST5_PARALLEL_BLOCKS) { | |
307 | do { | |
308 | /* create ctrblks for parallel encrypt */ | |
309 | for (i = 0; i < CAST5_PARALLEL_BLOCKS; i++) { | |
310 | if (dst != src) | |
311 | dst[i] = src[i]; | |
312 | ||
313 | ctrblocks[i] = cpu_to_be64(ctrblk++); | |
314 | } | |
315 | ||
316 | cast5_enc_blk_xway_xor(ctx, (u8 *)dst, | |
317 | (u8 *)ctrblocks); | |
318 | ||
319 | src += CAST5_PARALLEL_BLOCKS; | |
320 | dst += CAST5_PARALLEL_BLOCKS; | |
321 | nbytes -= bsize * CAST5_PARALLEL_BLOCKS; | |
322 | } while (nbytes >= bsize * CAST5_PARALLEL_BLOCKS); | |
323 | ||
324 | if (nbytes < bsize) | |
325 | goto done; | |
326 | } | |
327 | ||
328 | /* Handle leftovers */ | |
329 | do { | |
330 | if (dst != src) | |
331 | *dst = *src; | |
332 | ||
333 | ctrblocks[0] = cpu_to_be64(ctrblk++); | |
334 | ||
335 | __cast5_encrypt(ctx, (u8 *)ctrblocks, (u8 *)ctrblocks); | |
336 | *dst ^= ctrblocks[0]; | |
337 | ||
338 | src += 1; | |
339 | dst += 1; | |
340 | nbytes -= bsize; | |
341 | } while (nbytes >= bsize); | |
342 | ||
343 | done: | |
344 | *(__be64 *)walk->iv = cpu_to_be64(ctrblk); | |
345 | return nbytes; | |
346 | } | |
347 | ||
348 | static int ctr_crypt(struct blkcipher_desc *desc, struct scatterlist *dst, | |
349 | struct scatterlist *src, unsigned int nbytes) | |
350 | { | |
351 | bool fpu_enabled = false; | |
352 | struct blkcipher_walk walk; | |
353 | int err; | |
354 | ||
355 | blkcipher_walk_init(&walk, dst, src, nbytes); | |
356 | err = blkcipher_walk_virt_block(desc, &walk, CAST5_BLOCK_SIZE); | |
357 | desc->flags &= ~CRYPTO_TFM_REQ_MAY_SLEEP; | |
358 | ||
359 | while ((nbytes = walk.nbytes) >= CAST5_BLOCK_SIZE) { | |
360 | fpu_enabled = cast5_fpu_begin(fpu_enabled, nbytes); | |
361 | nbytes = __ctr_crypt(desc, &walk); | |
362 | err = blkcipher_walk_done(desc, &walk, nbytes); | |
363 | } | |
364 | ||
365 | cast5_fpu_end(fpu_enabled); | |
366 | ||
367 | if (walk.nbytes) { | |
368 | ctr_crypt_final(desc, &walk); | |
369 | err = blkcipher_walk_done(desc, &walk, 0); | |
370 | } | |
371 | ||
372 | return err; | |
373 | } | |
374 | ||
375 | ||
376 | static struct crypto_alg cast5_algs[6] = { { | |
377 | .cra_name = "__ecb-cast5-avx", | |
378 | .cra_driver_name = "__driver-ecb-cast5-avx", | |
379 | .cra_priority = 0, | |
380 | .cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER, | |
381 | .cra_blocksize = CAST5_BLOCK_SIZE, | |
382 | .cra_ctxsize = sizeof(struct cast5_ctx), | |
383 | .cra_alignmask = 0, | |
384 | .cra_type = &crypto_blkcipher_type, | |
385 | .cra_module = THIS_MODULE, | |
386 | .cra_u = { | |
387 | .blkcipher = { | |
388 | .min_keysize = CAST5_MIN_KEY_SIZE, | |
389 | .max_keysize = CAST5_MAX_KEY_SIZE, | |
390 | .setkey = cast5_setkey, | |
391 | .encrypt = ecb_encrypt, | |
392 | .decrypt = ecb_decrypt, | |
393 | }, | |
394 | }, | |
395 | }, { | |
396 | .cra_name = "__cbc-cast5-avx", | |
397 | .cra_driver_name = "__driver-cbc-cast5-avx", | |
398 | .cra_priority = 0, | |
399 | .cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER, | |
400 | .cra_blocksize = CAST5_BLOCK_SIZE, | |
401 | .cra_ctxsize = sizeof(struct cast5_ctx), | |
402 | .cra_alignmask = 0, | |
403 | .cra_type = &crypto_blkcipher_type, | |
404 | .cra_module = THIS_MODULE, | |
405 | .cra_u = { | |
406 | .blkcipher = { | |
407 | .min_keysize = CAST5_MIN_KEY_SIZE, | |
408 | .max_keysize = CAST5_MAX_KEY_SIZE, | |
409 | .setkey = cast5_setkey, | |
410 | .encrypt = cbc_encrypt, | |
411 | .decrypt = cbc_decrypt, | |
412 | }, | |
413 | }, | |
414 | }, { | |
415 | .cra_name = "__ctr-cast5-avx", | |
416 | .cra_driver_name = "__driver-ctr-cast5-avx", | |
417 | .cra_priority = 0, | |
418 | .cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER, | |
419 | .cra_blocksize = 1, | |
420 | .cra_ctxsize = sizeof(struct cast5_ctx), | |
421 | .cra_alignmask = 0, | |
422 | .cra_type = &crypto_blkcipher_type, | |
423 | .cra_module = THIS_MODULE, | |
424 | .cra_u = { | |
425 | .blkcipher = { | |
426 | .min_keysize = CAST5_MIN_KEY_SIZE, | |
427 | .max_keysize = CAST5_MAX_KEY_SIZE, | |
428 | .ivsize = CAST5_BLOCK_SIZE, | |
429 | .setkey = cast5_setkey, | |
430 | .encrypt = ctr_crypt, | |
431 | .decrypt = ctr_crypt, | |
432 | }, | |
433 | }, | |
434 | }, { | |
435 | .cra_name = "ecb(cast5)", | |
436 | .cra_driver_name = "ecb-cast5-avx", | |
437 | .cra_priority = 200, | |
438 | .cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER | CRYPTO_ALG_ASYNC, | |
439 | .cra_blocksize = CAST5_BLOCK_SIZE, | |
440 | .cra_ctxsize = sizeof(struct async_helper_ctx), | |
441 | .cra_alignmask = 0, | |
442 | .cra_type = &crypto_ablkcipher_type, | |
443 | .cra_module = THIS_MODULE, | |
444 | .cra_init = ablk_init, | |
445 | .cra_exit = ablk_exit, | |
446 | .cra_u = { | |
447 | .ablkcipher = { | |
448 | .min_keysize = CAST5_MIN_KEY_SIZE, | |
449 | .max_keysize = CAST5_MAX_KEY_SIZE, | |
450 | .setkey = ablk_set_key, | |
451 | .encrypt = ablk_encrypt, | |
452 | .decrypt = ablk_decrypt, | |
453 | }, | |
454 | }, | |
455 | }, { | |
456 | .cra_name = "cbc(cast5)", | |
457 | .cra_driver_name = "cbc-cast5-avx", | |
458 | .cra_priority = 200, | |
459 | .cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER | CRYPTO_ALG_ASYNC, | |
460 | .cra_blocksize = CAST5_BLOCK_SIZE, | |
461 | .cra_ctxsize = sizeof(struct async_helper_ctx), | |
462 | .cra_alignmask = 0, | |
463 | .cra_type = &crypto_ablkcipher_type, | |
464 | .cra_module = THIS_MODULE, | |
465 | .cra_init = ablk_init, | |
466 | .cra_exit = ablk_exit, | |
467 | .cra_u = { | |
468 | .ablkcipher = { | |
469 | .min_keysize = CAST5_MIN_KEY_SIZE, | |
470 | .max_keysize = CAST5_MAX_KEY_SIZE, | |
471 | .ivsize = CAST5_BLOCK_SIZE, | |
472 | .setkey = ablk_set_key, | |
473 | .encrypt = __ablk_encrypt, | |
474 | .decrypt = ablk_decrypt, | |
475 | }, | |
476 | }, | |
477 | }, { | |
478 | .cra_name = "ctr(cast5)", | |
479 | .cra_driver_name = "ctr-cast5-avx", | |
480 | .cra_priority = 200, | |
481 | .cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER | CRYPTO_ALG_ASYNC, | |
482 | .cra_blocksize = 1, | |
483 | .cra_ctxsize = sizeof(struct async_helper_ctx), | |
484 | .cra_alignmask = 0, | |
485 | .cra_type = &crypto_ablkcipher_type, | |
486 | .cra_module = THIS_MODULE, | |
487 | .cra_init = ablk_init, | |
488 | .cra_exit = ablk_exit, | |
489 | .cra_u = { | |
490 | .ablkcipher = { | |
491 | .min_keysize = CAST5_MIN_KEY_SIZE, | |
492 | .max_keysize = CAST5_MAX_KEY_SIZE, | |
493 | .ivsize = CAST5_BLOCK_SIZE, | |
494 | .setkey = ablk_set_key, | |
495 | .encrypt = ablk_encrypt, | |
496 | .decrypt = ablk_encrypt, | |
497 | .geniv = "chainiv", | |
498 | }, | |
499 | }, | |
500 | } }; | |
501 | ||
502 | static int __init cast5_init(void) | |
503 | { | |
504 | u64 xcr0; | |
505 | ||
506 | if (!cpu_has_avx || !cpu_has_osxsave) { | |
507 | pr_info("AVX instructions are not detected.\n"); | |
508 | return -ENODEV; | |
509 | } | |
510 | ||
511 | xcr0 = xgetbv(XCR_XFEATURE_ENABLED_MASK); | |
512 | if ((xcr0 & (XSTATE_SSE | XSTATE_YMM)) != (XSTATE_SSE | XSTATE_YMM)) { | |
513 | pr_info("AVX detected but unusable.\n"); | |
514 | return -ENODEV; | |
515 | } | |
516 | ||
517 | return crypto_register_algs(cast5_algs, ARRAY_SIZE(cast5_algs)); | |
518 | } | |
519 | ||
520 | static void __exit cast5_exit(void) | |
521 | { | |
522 | crypto_unregister_algs(cast5_algs, ARRAY_SIZE(cast5_algs)); | |
523 | } | |
524 | ||
525 | module_init(cast5_init); | |
526 | module_exit(cast5_exit); | |
527 | ||
528 | MODULE_DESCRIPTION("Cast5 Cipher Algorithm, AVX optimized"); | |
529 | MODULE_LICENSE("GPL"); | |
530 | MODULE_ALIAS("cast5"); |