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f3f935a7 JK |
1 | /* |
2 | * Glue Code for x86_64/AVX2/AES-NI assembler optimized version of Camellia | |
3 | * | |
4 | * Copyright © 2013 Jussi Kivilinna <jussi.kivilinna@mbnet.fi> | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation; either version 2 of the License, or | |
9 | * (at your option) any later version. | |
10 | * | |
11 | */ | |
12 | ||
13 | #include <linux/module.h> | |
14 | #include <linux/types.h> | |
15 | #include <linux/crypto.h> | |
16 | #include <linux/err.h> | |
801201aa | 17 | #include <crypto/ablk_helper.h> |
f3f935a7 JK |
18 | #include <crypto/algapi.h> |
19 | #include <crypto/ctr.h> | |
20 | #include <crypto/lrw.h> | |
21 | #include <crypto/xts.h> | |
7bc371fa | 22 | #include <asm/fpu/api.h> |
f3f935a7 | 23 | #include <asm/crypto/camellia.h> |
f3f935a7 JK |
24 | #include <asm/crypto/glue_helper.h> |
25 | ||
26 | #define CAMELLIA_AESNI_PARALLEL_BLOCKS 16 | |
27 | #define CAMELLIA_AESNI_AVX2_PARALLEL_BLOCKS 32 | |
28 | ||
29 | /* 32-way AVX2/AES-NI parallel cipher functions */ | |
30 | asmlinkage void camellia_ecb_enc_32way(struct camellia_ctx *ctx, u8 *dst, | |
31 | const u8 *src); | |
32 | asmlinkage void camellia_ecb_dec_32way(struct camellia_ctx *ctx, u8 *dst, | |
33 | const u8 *src); | |
34 | ||
35 | asmlinkage void camellia_cbc_dec_32way(struct camellia_ctx *ctx, u8 *dst, | |
36 | const u8 *src); | |
37 | asmlinkage void camellia_ctr_32way(struct camellia_ctx *ctx, u8 *dst, | |
38 | const u8 *src, le128 *iv); | |
39 | ||
40 | asmlinkage void camellia_xts_enc_32way(struct camellia_ctx *ctx, u8 *dst, | |
41 | const u8 *src, le128 *iv); | |
42 | asmlinkage void camellia_xts_dec_32way(struct camellia_ctx *ctx, u8 *dst, | |
43 | const u8 *src, le128 *iv); | |
44 | ||
45 | static const struct common_glue_ctx camellia_enc = { | |
46 | .num_funcs = 4, | |
47 | .fpu_blocks_limit = CAMELLIA_AESNI_PARALLEL_BLOCKS, | |
48 | ||
49 | .funcs = { { | |
50 | .num_blocks = CAMELLIA_AESNI_AVX2_PARALLEL_BLOCKS, | |
51 | .fn_u = { .ecb = GLUE_FUNC_CAST(camellia_ecb_enc_32way) } | |
52 | }, { | |
53 | .num_blocks = CAMELLIA_AESNI_PARALLEL_BLOCKS, | |
54 | .fn_u = { .ecb = GLUE_FUNC_CAST(camellia_ecb_enc_16way) } | |
55 | }, { | |
56 | .num_blocks = 2, | |
57 | .fn_u = { .ecb = GLUE_FUNC_CAST(camellia_enc_blk_2way) } | |
58 | }, { | |
59 | .num_blocks = 1, | |
60 | .fn_u = { .ecb = GLUE_FUNC_CAST(camellia_enc_blk) } | |
61 | } } | |
62 | }; | |
63 | ||
64 | static const struct common_glue_ctx camellia_ctr = { | |
65 | .num_funcs = 4, | |
66 | .fpu_blocks_limit = CAMELLIA_AESNI_PARALLEL_BLOCKS, | |
67 | ||
68 | .funcs = { { | |
69 | .num_blocks = CAMELLIA_AESNI_AVX2_PARALLEL_BLOCKS, | |
70 | .fn_u = { .ctr = GLUE_CTR_FUNC_CAST(camellia_ctr_32way) } | |
71 | }, { | |
72 | .num_blocks = CAMELLIA_AESNI_PARALLEL_BLOCKS, | |
73 | .fn_u = { .ctr = GLUE_CTR_FUNC_CAST(camellia_ctr_16way) } | |
74 | }, { | |
75 | .num_blocks = 2, | |
76 | .fn_u = { .ctr = GLUE_CTR_FUNC_CAST(camellia_crypt_ctr_2way) } | |
77 | }, { | |
78 | .num_blocks = 1, | |
79 | .fn_u = { .ctr = GLUE_CTR_FUNC_CAST(camellia_crypt_ctr) } | |
80 | } } | |
81 | }; | |
82 | ||
83 | static const struct common_glue_ctx camellia_enc_xts = { | |
84 | .num_funcs = 3, | |
85 | .fpu_blocks_limit = CAMELLIA_AESNI_PARALLEL_BLOCKS, | |
86 | ||
87 | .funcs = { { | |
88 | .num_blocks = CAMELLIA_AESNI_AVX2_PARALLEL_BLOCKS, | |
89 | .fn_u = { .xts = GLUE_XTS_FUNC_CAST(camellia_xts_enc_32way) } | |
90 | }, { | |
91 | .num_blocks = CAMELLIA_AESNI_PARALLEL_BLOCKS, | |
92 | .fn_u = { .xts = GLUE_XTS_FUNC_CAST(camellia_xts_enc_16way) } | |
93 | }, { | |
94 | .num_blocks = 1, | |
95 | .fn_u = { .xts = GLUE_XTS_FUNC_CAST(camellia_xts_enc) } | |
96 | } } | |
97 | }; | |
98 | ||
99 | static const struct common_glue_ctx camellia_dec = { | |
100 | .num_funcs = 4, | |
101 | .fpu_blocks_limit = CAMELLIA_AESNI_PARALLEL_BLOCKS, | |
102 | ||
103 | .funcs = { { | |
104 | .num_blocks = CAMELLIA_AESNI_AVX2_PARALLEL_BLOCKS, | |
105 | .fn_u = { .ecb = GLUE_FUNC_CAST(camellia_ecb_dec_32way) } | |
106 | }, { | |
107 | .num_blocks = CAMELLIA_AESNI_PARALLEL_BLOCKS, | |
108 | .fn_u = { .ecb = GLUE_FUNC_CAST(camellia_ecb_dec_16way) } | |
109 | }, { | |
110 | .num_blocks = 2, | |
111 | .fn_u = { .ecb = GLUE_FUNC_CAST(camellia_dec_blk_2way) } | |
112 | }, { | |
113 | .num_blocks = 1, | |
114 | .fn_u = { .ecb = GLUE_FUNC_CAST(camellia_dec_blk) } | |
115 | } } | |
116 | }; | |
117 | ||
118 | static const struct common_glue_ctx camellia_dec_cbc = { | |
119 | .num_funcs = 4, | |
120 | .fpu_blocks_limit = CAMELLIA_AESNI_PARALLEL_BLOCKS, | |
121 | ||
122 | .funcs = { { | |
123 | .num_blocks = CAMELLIA_AESNI_AVX2_PARALLEL_BLOCKS, | |
124 | .fn_u = { .cbc = GLUE_CBC_FUNC_CAST(camellia_cbc_dec_32way) } | |
125 | }, { | |
126 | .num_blocks = CAMELLIA_AESNI_PARALLEL_BLOCKS, | |
127 | .fn_u = { .cbc = GLUE_CBC_FUNC_CAST(camellia_cbc_dec_16way) } | |
128 | }, { | |
129 | .num_blocks = 2, | |
130 | .fn_u = { .cbc = GLUE_CBC_FUNC_CAST(camellia_decrypt_cbc_2way) } | |
131 | }, { | |
132 | .num_blocks = 1, | |
133 | .fn_u = { .cbc = GLUE_CBC_FUNC_CAST(camellia_dec_blk) } | |
134 | } } | |
135 | }; | |
136 | ||
137 | static const struct common_glue_ctx camellia_dec_xts = { | |
138 | .num_funcs = 3, | |
139 | .fpu_blocks_limit = CAMELLIA_AESNI_PARALLEL_BLOCKS, | |
140 | ||
141 | .funcs = { { | |
142 | .num_blocks = CAMELLIA_AESNI_AVX2_PARALLEL_BLOCKS, | |
143 | .fn_u = { .xts = GLUE_XTS_FUNC_CAST(camellia_xts_dec_32way) } | |
144 | }, { | |
145 | .num_blocks = CAMELLIA_AESNI_PARALLEL_BLOCKS, | |
146 | .fn_u = { .xts = GLUE_XTS_FUNC_CAST(camellia_xts_dec_16way) } | |
147 | }, { | |
148 | .num_blocks = 1, | |
149 | .fn_u = { .xts = GLUE_XTS_FUNC_CAST(camellia_xts_dec) } | |
150 | } } | |
151 | }; | |
152 | ||
153 | static int ecb_encrypt(struct blkcipher_desc *desc, struct scatterlist *dst, | |
154 | struct scatterlist *src, unsigned int nbytes) | |
155 | { | |
156 | return glue_ecb_crypt_128bit(&camellia_enc, desc, dst, src, nbytes); | |
157 | } | |
158 | ||
159 | static int ecb_decrypt(struct blkcipher_desc *desc, struct scatterlist *dst, | |
160 | struct scatterlist *src, unsigned int nbytes) | |
161 | { | |
162 | return glue_ecb_crypt_128bit(&camellia_dec, desc, dst, src, nbytes); | |
163 | } | |
164 | ||
165 | static int cbc_encrypt(struct blkcipher_desc *desc, struct scatterlist *dst, | |
166 | struct scatterlist *src, unsigned int nbytes) | |
167 | { | |
168 | return glue_cbc_encrypt_128bit(GLUE_FUNC_CAST(camellia_enc_blk), desc, | |
169 | dst, src, nbytes); | |
170 | } | |
171 | ||
172 | static int cbc_decrypt(struct blkcipher_desc *desc, struct scatterlist *dst, | |
173 | struct scatterlist *src, unsigned int nbytes) | |
174 | { | |
175 | return glue_cbc_decrypt_128bit(&camellia_dec_cbc, desc, dst, src, | |
176 | nbytes); | |
177 | } | |
178 | ||
179 | static int ctr_crypt(struct blkcipher_desc *desc, struct scatterlist *dst, | |
180 | struct scatterlist *src, unsigned int nbytes) | |
181 | { | |
182 | return glue_ctr_crypt_128bit(&camellia_ctr, desc, dst, src, nbytes); | |
183 | } | |
184 | ||
185 | static inline bool camellia_fpu_begin(bool fpu_enabled, unsigned int nbytes) | |
186 | { | |
187 | return glue_fpu_begin(CAMELLIA_BLOCK_SIZE, | |
188 | CAMELLIA_AESNI_PARALLEL_BLOCKS, NULL, fpu_enabled, | |
189 | nbytes); | |
190 | } | |
191 | ||
192 | static inline void camellia_fpu_end(bool fpu_enabled) | |
193 | { | |
194 | glue_fpu_end(fpu_enabled); | |
195 | } | |
196 | ||
197 | static int camellia_setkey(struct crypto_tfm *tfm, const u8 *in_key, | |
198 | unsigned int key_len) | |
199 | { | |
200 | return __camellia_setkey(crypto_tfm_ctx(tfm), in_key, key_len, | |
201 | &tfm->crt_flags); | |
202 | } | |
203 | ||
204 | struct crypt_priv { | |
205 | struct camellia_ctx *ctx; | |
206 | bool fpu_enabled; | |
207 | }; | |
208 | ||
209 | static void encrypt_callback(void *priv, u8 *srcdst, unsigned int nbytes) | |
210 | { | |
211 | const unsigned int bsize = CAMELLIA_BLOCK_SIZE; | |
212 | struct crypt_priv *ctx = priv; | |
213 | int i; | |
214 | ||
215 | ctx->fpu_enabled = camellia_fpu_begin(ctx->fpu_enabled, nbytes); | |
216 | ||
217 | if (nbytes >= CAMELLIA_AESNI_AVX2_PARALLEL_BLOCKS * bsize) { | |
218 | camellia_ecb_enc_32way(ctx->ctx, srcdst, srcdst); | |
219 | srcdst += bsize * CAMELLIA_AESNI_AVX2_PARALLEL_BLOCKS; | |
220 | nbytes -= bsize * CAMELLIA_AESNI_AVX2_PARALLEL_BLOCKS; | |
221 | } | |
222 | ||
223 | if (nbytes >= CAMELLIA_AESNI_PARALLEL_BLOCKS * bsize) { | |
224 | camellia_ecb_enc_16way(ctx->ctx, srcdst, srcdst); | |
225 | srcdst += bsize * CAMELLIA_AESNI_PARALLEL_BLOCKS; | |
226 | nbytes -= bsize * CAMELLIA_AESNI_PARALLEL_BLOCKS; | |
227 | } | |
228 | ||
229 | while (nbytes >= CAMELLIA_PARALLEL_BLOCKS * bsize) { | |
230 | camellia_enc_blk_2way(ctx->ctx, srcdst, srcdst); | |
231 | srcdst += bsize * CAMELLIA_PARALLEL_BLOCKS; | |
232 | nbytes -= bsize * CAMELLIA_PARALLEL_BLOCKS; | |
233 | } | |
234 | ||
235 | for (i = 0; i < nbytes / bsize; i++, srcdst += bsize) | |
236 | camellia_enc_blk(ctx->ctx, srcdst, srcdst); | |
237 | } | |
238 | ||
239 | static void decrypt_callback(void *priv, u8 *srcdst, unsigned int nbytes) | |
240 | { | |
241 | const unsigned int bsize = CAMELLIA_BLOCK_SIZE; | |
242 | struct crypt_priv *ctx = priv; | |
243 | int i; | |
244 | ||
245 | ctx->fpu_enabled = camellia_fpu_begin(ctx->fpu_enabled, nbytes); | |
246 | ||
247 | if (nbytes >= CAMELLIA_AESNI_AVX2_PARALLEL_BLOCKS * bsize) { | |
248 | camellia_ecb_dec_32way(ctx->ctx, srcdst, srcdst); | |
249 | srcdst += bsize * CAMELLIA_AESNI_AVX2_PARALLEL_BLOCKS; | |
250 | nbytes -= bsize * CAMELLIA_AESNI_AVX2_PARALLEL_BLOCKS; | |
251 | } | |
252 | ||
253 | if (nbytes >= CAMELLIA_AESNI_PARALLEL_BLOCKS * bsize) { | |
254 | camellia_ecb_dec_16way(ctx->ctx, srcdst, srcdst); | |
255 | srcdst += bsize * CAMELLIA_AESNI_PARALLEL_BLOCKS; | |
256 | nbytes -= bsize * CAMELLIA_AESNI_PARALLEL_BLOCKS; | |
257 | } | |
258 | ||
259 | while (nbytes >= CAMELLIA_PARALLEL_BLOCKS * bsize) { | |
260 | camellia_dec_blk_2way(ctx->ctx, srcdst, srcdst); | |
261 | srcdst += bsize * CAMELLIA_PARALLEL_BLOCKS; | |
262 | nbytes -= bsize * CAMELLIA_PARALLEL_BLOCKS; | |
263 | } | |
264 | ||
265 | for (i = 0; i < nbytes / bsize; i++, srcdst += bsize) | |
266 | camellia_dec_blk(ctx->ctx, srcdst, srcdst); | |
267 | } | |
268 | ||
269 | static int lrw_encrypt(struct blkcipher_desc *desc, struct scatterlist *dst, | |
270 | struct scatterlist *src, unsigned int nbytes) | |
271 | { | |
272 | struct camellia_lrw_ctx *ctx = crypto_blkcipher_ctx(desc->tfm); | |
273 | be128 buf[CAMELLIA_AESNI_AVX2_PARALLEL_BLOCKS]; | |
274 | struct crypt_priv crypt_ctx = { | |
275 | .ctx = &ctx->camellia_ctx, | |
276 | .fpu_enabled = false, | |
277 | }; | |
278 | struct lrw_crypt_req req = { | |
279 | .tbuf = buf, | |
280 | .tbuflen = sizeof(buf), | |
281 | ||
282 | .table_ctx = &ctx->lrw_table, | |
283 | .crypt_ctx = &crypt_ctx, | |
284 | .crypt_fn = encrypt_callback, | |
285 | }; | |
286 | int ret; | |
287 | ||
288 | desc->flags &= ~CRYPTO_TFM_REQ_MAY_SLEEP; | |
289 | ret = lrw_crypt(desc, dst, src, nbytes, &req); | |
290 | camellia_fpu_end(crypt_ctx.fpu_enabled); | |
291 | ||
292 | return ret; | |
293 | } | |
294 | ||
295 | static int lrw_decrypt(struct blkcipher_desc *desc, struct scatterlist *dst, | |
296 | struct scatterlist *src, unsigned int nbytes) | |
297 | { | |
298 | struct camellia_lrw_ctx *ctx = crypto_blkcipher_ctx(desc->tfm); | |
299 | be128 buf[CAMELLIA_AESNI_AVX2_PARALLEL_BLOCKS]; | |
300 | struct crypt_priv crypt_ctx = { | |
301 | .ctx = &ctx->camellia_ctx, | |
302 | .fpu_enabled = false, | |
303 | }; | |
304 | struct lrw_crypt_req req = { | |
305 | .tbuf = buf, | |
306 | .tbuflen = sizeof(buf), | |
307 | ||
308 | .table_ctx = &ctx->lrw_table, | |
309 | .crypt_ctx = &crypt_ctx, | |
310 | .crypt_fn = decrypt_callback, | |
311 | }; | |
312 | int ret; | |
313 | ||
314 | desc->flags &= ~CRYPTO_TFM_REQ_MAY_SLEEP; | |
315 | ret = lrw_crypt(desc, dst, src, nbytes, &req); | |
316 | camellia_fpu_end(crypt_ctx.fpu_enabled); | |
317 | ||
318 | return ret; | |
319 | } | |
320 | ||
321 | static int xts_encrypt(struct blkcipher_desc *desc, struct scatterlist *dst, | |
322 | struct scatterlist *src, unsigned int nbytes) | |
323 | { | |
324 | struct camellia_xts_ctx *ctx = crypto_blkcipher_ctx(desc->tfm); | |
325 | ||
326 | return glue_xts_crypt_128bit(&camellia_enc_xts, desc, dst, src, nbytes, | |
327 | XTS_TWEAK_CAST(camellia_enc_blk), | |
328 | &ctx->tweak_ctx, &ctx->crypt_ctx); | |
329 | } | |
330 | ||
331 | static int xts_decrypt(struct blkcipher_desc *desc, struct scatterlist *dst, | |
332 | struct scatterlist *src, unsigned int nbytes) | |
333 | { | |
334 | struct camellia_xts_ctx *ctx = crypto_blkcipher_ctx(desc->tfm); | |
335 | ||
336 | return glue_xts_crypt_128bit(&camellia_dec_xts, desc, dst, src, nbytes, | |
337 | XTS_TWEAK_CAST(camellia_enc_blk), | |
338 | &ctx->tweak_ctx, &ctx->crypt_ctx); | |
339 | } | |
340 | ||
341 | static struct crypto_alg cmll_algs[10] = { { | |
342 | .cra_name = "__ecb-camellia-aesni-avx2", | |
343 | .cra_driver_name = "__driver-ecb-camellia-aesni-avx2", | |
344 | .cra_priority = 0, | |
a62356a9 SM |
345 | .cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER | |
346 | CRYPTO_ALG_INTERNAL, | |
f3f935a7 JK |
347 | .cra_blocksize = CAMELLIA_BLOCK_SIZE, |
348 | .cra_ctxsize = sizeof(struct camellia_ctx), | |
349 | .cra_alignmask = 0, | |
350 | .cra_type = &crypto_blkcipher_type, | |
351 | .cra_module = THIS_MODULE, | |
352 | .cra_u = { | |
353 | .blkcipher = { | |
354 | .min_keysize = CAMELLIA_MIN_KEY_SIZE, | |
355 | .max_keysize = CAMELLIA_MAX_KEY_SIZE, | |
356 | .setkey = camellia_setkey, | |
357 | .encrypt = ecb_encrypt, | |
358 | .decrypt = ecb_decrypt, | |
359 | }, | |
360 | }, | |
361 | }, { | |
362 | .cra_name = "__cbc-camellia-aesni-avx2", | |
363 | .cra_driver_name = "__driver-cbc-camellia-aesni-avx2", | |
364 | .cra_priority = 0, | |
a62356a9 SM |
365 | .cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER | |
366 | CRYPTO_ALG_INTERNAL, | |
f3f935a7 JK |
367 | .cra_blocksize = CAMELLIA_BLOCK_SIZE, |
368 | .cra_ctxsize = sizeof(struct camellia_ctx), | |
369 | .cra_alignmask = 0, | |
370 | .cra_type = &crypto_blkcipher_type, | |
371 | .cra_module = THIS_MODULE, | |
372 | .cra_u = { | |
373 | .blkcipher = { | |
374 | .min_keysize = CAMELLIA_MIN_KEY_SIZE, | |
375 | .max_keysize = CAMELLIA_MAX_KEY_SIZE, | |
376 | .setkey = camellia_setkey, | |
377 | .encrypt = cbc_encrypt, | |
378 | .decrypt = cbc_decrypt, | |
379 | }, | |
380 | }, | |
381 | }, { | |
382 | .cra_name = "__ctr-camellia-aesni-avx2", | |
383 | .cra_driver_name = "__driver-ctr-camellia-aesni-avx2", | |
384 | .cra_priority = 0, | |
a62356a9 SM |
385 | .cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER | |
386 | CRYPTO_ALG_INTERNAL, | |
f3f935a7 JK |
387 | .cra_blocksize = 1, |
388 | .cra_ctxsize = sizeof(struct camellia_ctx), | |
389 | .cra_alignmask = 0, | |
390 | .cra_type = &crypto_blkcipher_type, | |
391 | .cra_module = THIS_MODULE, | |
392 | .cra_u = { | |
393 | .blkcipher = { | |
394 | .min_keysize = CAMELLIA_MIN_KEY_SIZE, | |
395 | .max_keysize = CAMELLIA_MAX_KEY_SIZE, | |
396 | .ivsize = CAMELLIA_BLOCK_SIZE, | |
397 | .setkey = camellia_setkey, | |
398 | .encrypt = ctr_crypt, | |
399 | .decrypt = ctr_crypt, | |
400 | }, | |
401 | }, | |
402 | }, { | |
403 | .cra_name = "__lrw-camellia-aesni-avx2", | |
404 | .cra_driver_name = "__driver-lrw-camellia-aesni-avx2", | |
405 | .cra_priority = 0, | |
a62356a9 SM |
406 | .cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER | |
407 | CRYPTO_ALG_INTERNAL, | |
f3f935a7 JK |
408 | .cra_blocksize = CAMELLIA_BLOCK_SIZE, |
409 | .cra_ctxsize = sizeof(struct camellia_lrw_ctx), | |
410 | .cra_alignmask = 0, | |
411 | .cra_type = &crypto_blkcipher_type, | |
412 | .cra_module = THIS_MODULE, | |
413 | .cra_exit = lrw_camellia_exit_tfm, | |
414 | .cra_u = { | |
415 | .blkcipher = { | |
416 | .min_keysize = CAMELLIA_MIN_KEY_SIZE + | |
417 | CAMELLIA_BLOCK_SIZE, | |
418 | .max_keysize = CAMELLIA_MAX_KEY_SIZE + | |
419 | CAMELLIA_BLOCK_SIZE, | |
420 | .ivsize = CAMELLIA_BLOCK_SIZE, | |
421 | .setkey = lrw_camellia_setkey, | |
422 | .encrypt = lrw_encrypt, | |
423 | .decrypt = lrw_decrypt, | |
424 | }, | |
425 | }, | |
426 | }, { | |
427 | .cra_name = "__xts-camellia-aesni-avx2", | |
428 | .cra_driver_name = "__driver-xts-camellia-aesni-avx2", | |
429 | .cra_priority = 0, | |
a62356a9 SM |
430 | .cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER | |
431 | CRYPTO_ALG_INTERNAL, | |
f3f935a7 JK |
432 | .cra_blocksize = CAMELLIA_BLOCK_SIZE, |
433 | .cra_ctxsize = sizeof(struct camellia_xts_ctx), | |
434 | .cra_alignmask = 0, | |
435 | .cra_type = &crypto_blkcipher_type, | |
436 | .cra_module = THIS_MODULE, | |
437 | .cra_u = { | |
438 | .blkcipher = { | |
439 | .min_keysize = CAMELLIA_MIN_KEY_SIZE * 2, | |
440 | .max_keysize = CAMELLIA_MAX_KEY_SIZE * 2, | |
441 | .ivsize = CAMELLIA_BLOCK_SIZE, | |
442 | .setkey = xts_camellia_setkey, | |
443 | .encrypt = xts_encrypt, | |
444 | .decrypt = xts_decrypt, | |
445 | }, | |
446 | }, | |
447 | }, { | |
448 | .cra_name = "ecb(camellia)", | |
449 | .cra_driver_name = "ecb-camellia-aesni-avx2", | |
450 | .cra_priority = 500, | |
451 | .cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER | CRYPTO_ALG_ASYNC, | |
452 | .cra_blocksize = CAMELLIA_BLOCK_SIZE, | |
453 | .cra_ctxsize = sizeof(struct async_helper_ctx), | |
454 | .cra_alignmask = 0, | |
455 | .cra_type = &crypto_ablkcipher_type, | |
456 | .cra_module = THIS_MODULE, | |
457 | .cra_init = ablk_init, | |
458 | .cra_exit = ablk_exit, | |
459 | .cra_u = { | |
460 | .ablkcipher = { | |
461 | .min_keysize = CAMELLIA_MIN_KEY_SIZE, | |
462 | .max_keysize = CAMELLIA_MAX_KEY_SIZE, | |
463 | .setkey = ablk_set_key, | |
464 | .encrypt = ablk_encrypt, | |
465 | .decrypt = ablk_decrypt, | |
466 | }, | |
467 | }, | |
468 | }, { | |
469 | .cra_name = "cbc(camellia)", | |
470 | .cra_driver_name = "cbc-camellia-aesni-avx2", | |
471 | .cra_priority = 500, | |
472 | .cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER | CRYPTO_ALG_ASYNC, | |
473 | .cra_blocksize = CAMELLIA_BLOCK_SIZE, | |
474 | .cra_ctxsize = sizeof(struct async_helper_ctx), | |
475 | .cra_alignmask = 0, | |
476 | .cra_type = &crypto_ablkcipher_type, | |
477 | .cra_module = THIS_MODULE, | |
478 | .cra_init = ablk_init, | |
479 | .cra_exit = ablk_exit, | |
480 | .cra_u = { | |
481 | .ablkcipher = { | |
482 | .min_keysize = CAMELLIA_MIN_KEY_SIZE, | |
483 | .max_keysize = CAMELLIA_MAX_KEY_SIZE, | |
484 | .ivsize = CAMELLIA_BLOCK_SIZE, | |
485 | .setkey = ablk_set_key, | |
486 | .encrypt = __ablk_encrypt, | |
487 | .decrypt = ablk_decrypt, | |
488 | }, | |
489 | }, | |
490 | }, { | |
491 | .cra_name = "ctr(camellia)", | |
492 | .cra_driver_name = "ctr-camellia-aesni-avx2", | |
493 | .cra_priority = 500, | |
494 | .cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER | CRYPTO_ALG_ASYNC, | |
495 | .cra_blocksize = 1, | |
496 | .cra_ctxsize = sizeof(struct async_helper_ctx), | |
497 | .cra_alignmask = 0, | |
498 | .cra_type = &crypto_ablkcipher_type, | |
499 | .cra_module = THIS_MODULE, | |
500 | .cra_init = ablk_init, | |
501 | .cra_exit = ablk_exit, | |
502 | .cra_u = { | |
503 | .ablkcipher = { | |
504 | .min_keysize = CAMELLIA_MIN_KEY_SIZE, | |
505 | .max_keysize = CAMELLIA_MAX_KEY_SIZE, | |
506 | .ivsize = CAMELLIA_BLOCK_SIZE, | |
507 | .setkey = ablk_set_key, | |
508 | .encrypt = ablk_encrypt, | |
509 | .decrypt = ablk_encrypt, | |
510 | .geniv = "chainiv", | |
511 | }, | |
512 | }, | |
513 | }, { | |
514 | .cra_name = "lrw(camellia)", | |
515 | .cra_driver_name = "lrw-camellia-aesni-avx2", | |
516 | .cra_priority = 500, | |
517 | .cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER | CRYPTO_ALG_ASYNC, | |
518 | .cra_blocksize = CAMELLIA_BLOCK_SIZE, | |
519 | .cra_ctxsize = sizeof(struct async_helper_ctx), | |
520 | .cra_alignmask = 0, | |
521 | .cra_type = &crypto_ablkcipher_type, | |
522 | .cra_module = THIS_MODULE, | |
523 | .cra_init = ablk_init, | |
524 | .cra_exit = ablk_exit, | |
525 | .cra_u = { | |
526 | .ablkcipher = { | |
527 | .min_keysize = CAMELLIA_MIN_KEY_SIZE + | |
528 | CAMELLIA_BLOCK_SIZE, | |
529 | .max_keysize = CAMELLIA_MAX_KEY_SIZE + | |
530 | CAMELLIA_BLOCK_SIZE, | |
531 | .ivsize = CAMELLIA_BLOCK_SIZE, | |
532 | .setkey = ablk_set_key, | |
533 | .encrypt = ablk_encrypt, | |
534 | .decrypt = ablk_decrypt, | |
535 | }, | |
536 | }, | |
537 | }, { | |
538 | .cra_name = "xts(camellia)", | |
539 | .cra_driver_name = "xts-camellia-aesni-avx2", | |
540 | .cra_priority = 500, | |
541 | .cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER | CRYPTO_ALG_ASYNC, | |
542 | .cra_blocksize = CAMELLIA_BLOCK_SIZE, | |
543 | .cra_ctxsize = sizeof(struct async_helper_ctx), | |
544 | .cra_alignmask = 0, | |
545 | .cra_type = &crypto_ablkcipher_type, | |
546 | .cra_module = THIS_MODULE, | |
547 | .cra_init = ablk_init, | |
548 | .cra_exit = ablk_exit, | |
549 | .cra_u = { | |
550 | .ablkcipher = { | |
551 | .min_keysize = CAMELLIA_MIN_KEY_SIZE * 2, | |
552 | .max_keysize = CAMELLIA_MAX_KEY_SIZE * 2, | |
553 | .ivsize = CAMELLIA_BLOCK_SIZE, | |
554 | .setkey = ablk_set_key, | |
555 | .encrypt = ablk_encrypt, | |
556 | .decrypt = ablk_decrypt, | |
557 | }, | |
558 | }, | |
559 | } }; | |
560 | ||
561 | static int __init camellia_aesni_init(void) | |
562 | { | |
7bc371fa | 563 | const char *feature_name; |
f3f935a7 | 564 | |
b54b4bbb IM |
565 | if (!cpu_has_avx2 || !cpu_has_avx || !cpu_has_aes || !cpu_has_osxsave) { |
566 | pr_info("AVX2 or AES-NI instructions are not detected.\n"); | |
567 | return -ENODEV; | |
568 | } | |
569 | ||
d91cab78 DH |
570 | if (!cpu_has_xfeatures(XFEATURE_MASK_SSE | XFEATURE_MASK_YMM, |
571 | &feature_name)) { | |
7bc371fa | 572 | pr_info("CPU feature '%s' is not supported.\n", feature_name); |
f3f935a7 JK |
573 | return -ENODEV; |
574 | } | |
575 | ||
576 | return crypto_register_algs(cmll_algs, ARRAY_SIZE(cmll_algs)); | |
577 | } | |
578 | ||
579 | static void __exit camellia_aesni_fini(void) | |
580 | { | |
581 | crypto_unregister_algs(cmll_algs, ARRAY_SIZE(cmll_algs)); | |
582 | } | |
583 | ||
584 | module_init(camellia_aesni_init); | |
585 | module_exit(camellia_aesni_fini); | |
586 | ||
587 | MODULE_LICENSE("GPL"); | |
588 | MODULE_DESCRIPTION("Camellia Cipher Algorithm, AES-NI/AVX2 optimized"); | |
5d26a105 KC |
589 | MODULE_ALIAS_CRYPTO("camellia"); |
590 | MODULE_ALIAS_CRYPTO("camellia-asm"); |