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d9b1d2e7 JK |
1 | /* |
2 | * Glue Code for x86_64/AVX/AES-NI assembler optimized version of Camellia | |
3 | * | |
b5c5b072 | 4 | * Copyright © 2012-2013 Jussi Kivilinna <jussi.kivilinna@iki.fi> |
d9b1d2e7 JK |
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> |
d9b1d2e7 JK |
18 | #include <crypto/algapi.h> |
19 | #include <crypto/ctr.h> | |
20 | #include <crypto/lrw.h> | |
21 | #include <crypto/xts.h> | |
ce4f5f9b | 22 | #include <asm/fpu/api.h> |
d9b1d2e7 | 23 | #include <asm/crypto/camellia.h> |
d9b1d2e7 JK |
24 | #include <asm/crypto/glue_helper.h> |
25 | ||
26 | #define CAMELLIA_AESNI_PARALLEL_BLOCKS 16 | |
27 | ||
f3f935a7 | 28 | /* 16-way parallel cipher functions (avx/aes-ni) */ |
d9b1d2e7 JK |
29 | asmlinkage void camellia_ecb_enc_16way(struct camellia_ctx *ctx, u8 *dst, |
30 | const u8 *src); | |
f3f935a7 JK |
31 | EXPORT_SYMBOL_GPL(camellia_ecb_enc_16way); |
32 | ||
d9b1d2e7 JK |
33 | asmlinkage void camellia_ecb_dec_16way(struct camellia_ctx *ctx, u8 *dst, |
34 | const u8 *src); | |
f3f935a7 | 35 | EXPORT_SYMBOL_GPL(camellia_ecb_dec_16way); |
d9b1d2e7 JK |
36 | |
37 | asmlinkage void camellia_cbc_dec_16way(struct camellia_ctx *ctx, u8 *dst, | |
38 | const u8 *src); | |
f3f935a7 JK |
39 | EXPORT_SYMBOL_GPL(camellia_cbc_dec_16way); |
40 | ||
d9b1d2e7 JK |
41 | asmlinkage void camellia_ctr_16way(struct camellia_ctx *ctx, u8 *dst, |
42 | const u8 *src, le128 *iv); | |
f3f935a7 | 43 | EXPORT_SYMBOL_GPL(camellia_ctr_16way); |
d9b1d2e7 | 44 | |
b5c5b072 JK |
45 | asmlinkage void camellia_xts_enc_16way(struct camellia_ctx *ctx, u8 *dst, |
46 | const u8 *src, le128 *iv); | |
f3f935a7 JK |
47 | EXPORT_SYMBOL_GPL(camellia_xts_enc_16way); |
48 | ||
b5c5b072 JK |
49 | asmlinkage void camellia_xts_dec_16way(struct camellia_ctx *ctx, u8 *dst, |
50 | const u8 *src, le128 *iv); | |
f3f935a7 | 51 | EXPORT_SYMBOL_GPL(camellia_xts_dec_16way); |
b5c5b072 | 52 | |
f3f935a7 | 53 | void camellia_xts_enc(void *ctx, u128 *dst, const u128 *src, le128 *iv) |
b5c5b072 JK |
54 | { |
55 | glue_xts_crypt_128bit_one(ctx, dst, src, iv, | |
56 | GLUE_FUNC_CAST(camellia_enc_blk)); | |
57 | } | |
f3f935a7 | 58 | EXPORT_SYMBOL_GPL(camellia_xts_enc); |
b5c5b072 | 59 | |
f3f935a7 | 60 | void camellia_xts_dec(void *ctx, u128 *dst, const u128 *src, le128 *iv) |
b5c5b072 JK |
61 | { |
62 | glue_xts_crypt_128bit_one(ctx, dst, src, iv, | |
63 | GLUE_FUNC_CAST(camellia_dec_blk)); | |
64 | } | |
f3f935a7 | 65 | EXPORT_SYMBOL_GPL(camellia_xts_dec); |
b5c5b072 | 66 | |
d9b1d2e7 JK |
67 | static const struct common_glue_ctx camellia_enc = { |
68 | .num_funcs = 3, | |
69 | .fpu_blocks_limit = CAMELLIA_AESNI_PARALLEL_BLOCKS, | |
70 | ||
71 | .funcs = { { | |
72 | .num_blocks = CAMELLIA_AESNI_PARALLEL_BLOCKS, | |
73 | .fn_u = { .ecb = GLUE_FUNC_CAST(camellia_ecb_enc_16way) } | |
74 | }, { | |
75 | .num_blocks = 2, | |
76 | .fn_u = { .ecb = GLUE_FUNC_CAST(camellia_enc_blk_2way) } | |
77 | }, { | |
78 | .num_blocks = 1, | |
79 | .fn_u = { .ecb = GLUE_FUNC_CAST(camellia_enc_blk) } | |
80 | } } | |
81 | }; | |
82 | ||
83 | static const struct common_glue_ctx camellia_ctr = { | |
84 | .num_funcs = 3, | |
85 | .fpu_blocks_limit = CAMELLIA_AESNI_PARALLEL_BLOCKS, | |
86 | ||
87 | .funcs = { { | |
88 | .num_blocks = CAMELLIA_AESNI_PARALLEL_BLOCKS, | |
89 | .fn_u = { .ctr = GLUE_CTR_FUNC_CAST(camellia_ctr_16way) } | |
90 | }, { | |
91 | .num_blocks = 2, | |
92 | .fn_u = { .ctr = GLUE_CTR_FUNC_CAST(camellia_crypt_ctr_2way) } | |
93 | }, { | |
94 | .num_blocks = 1, | |
95 | .fn_u = { .ctr = GLUE_CTR_FUNC_CAST(camellia_crypt_ctr) } | |
96 | } } | |
97 | }; | |
98 | ||
b5c5b072 JK |
99 | static const struct common_glue_ctx camellia_enc_xts = { |
100 | .num_funcs = 2, | |
101 | .fpu_blocks_limit = CAMELLIA_AESNI_PARALLEL_BLOCKS, | |
102 | ||
103 | .funcs = { { | |
104 | .num_blocks = CAMELLIA_AESNI_PARALLEL_BLOCKS, | |
105 | .fn_u = { .xts = GLUE_XTS_FUNC_CAST(camellia_xts_enc_16way) } | |
106 | }, { | |
107 | .num_blocks = 1, | |
108 | .fn_u = { .xts = GLUE_XTS_FUNC_CAST(camellia_xts_enc) } | |
109 | } } | |
110 | }; | |
111 | ||
d9b1d2e7 JK |
112 | static const struct common_glue_ctx camellia_dec = { |
113 | .num_funcs = 3, | |
114 | .fpu_blocks_limit = CAMELLIA_AESNI_PARALLEL_BLOCKS, | |
115 | ||
116 | .funcs = { { | |
117 | .num_blocks = CAMELLIA_AESNI_PARALLEL_BLOCKS, | |
118 | .fn_u = { .ecb = GLUE_FUNC_CAST(camellia_ecb_dec_16way) } | |
119 | }, { | |
120 | .num_blocks = 2, | |
121 | .fn_u = { .ecb = GLUE_FUNC_CAST(camellia_dec_blk_2way) } | |
122 | }, { | |
123 | .num_blocks = 1, | |
124 | .fn_u = { .ecb = GLUE_FUNC_CAST(camellia_dec_blk) } | |
125 | } } | |
126 | }; | |
127 | ||
128 | static const struct common_glue_ctx camellia_dec_cbc = { | |
129 | .num_funcs = 3, | |
130 | .fpu_blocks_limit = CAMELLIA_AESNI_PARALLEL_BLOCKS, | |
131 | ||
132 | .funcs = { { | |
133 | .num_blocks = CAMELLIA_AESNI_PARALLEL_BLOCKS, | |
134 | .fn_u = { .cbc = GLUE_CBC_FUNC_CAST(camellia_cbc_dec_16way) } | |
135 | }, { | |
136 | .num_blocks = 2, | |
137 | .fn_u = { .cbc = GLUE_CBC_FUNC_CAST(camellia_decrypt_cbc_2way) } | |
138 | }, { | |
139 | .num_blocks = 1, | |
140 | .fn_u = { .cbc = GLUE_CBC_FUNC_CAST(camellia_dec_blk) } | |
141 | } } | |
142 | }; | |
143 | ||
b5c5b072 JK |
144 | static const struct common_glue_ctx camellia_dec_xts = { |
145 | .num_funcs = 2, | |
146 | .fpu_blocks_limit = CAMELLIA_AESNI_PARALLEL_BLOCKS, | |
147 | ||
148 | .funcs = { { | |
149 | .num_blocks = CAMELLIA_AESNI_PARALLEL_BLOCKS, | |
150 | .fn_u = { .xts = GLUE_XTS_FUNC_CAST(camellia_xts_dec_16way) } | |
151 | }, { | |
152 | .num_blocks = 1, | |
153 | .fn_u = { .xts = GLUE_XTS_FUNC_CAST(camellia_xts_dec) } | |
154 | } } | |
155 | }; | |
156 | ||
d9b1d2e7 JK |
157 | static int ecb_encrypt(struct blkcipher_desc *desc, struct scatterlist *dst, |
158 | struct scatterlist *src, unsigned int nbytes) | |
159 | { | |
160 | return glue_ecb_crypt_128bit(&camellia_enc, desc, dst, src, nbytes); | |
161 | } | |
162 | ||
163 | static int ecb_decrypt(struct blkcipher_desc *desc, struct scatterlist *dst, | |
164 | struct scatterlist *src, unsigned int nbytes) | |
165 | { | |
166 | return glue_ecb_crypt_128bit(&camellia_dec, desc, dst, src, nbytes); | |
167 | } | |
168 | ||
169 | static int cbc_encrypt(struct blkcipher_desc *desc, struct scatterlist *dst, | |
170 | struct scatterlist *src, unsigned int nbytes) | |
171 | { | |
172 | return glue_cbc_encrypt_128bit(GLUE_FUNC_CAST(camellia_enc_blk), desc, | |
173 | dst, src, nbytes); | |
174 | } | |
175 | ||
176 | static int cbc_decrypt(struct blkcipher_desc *desc, struct scatterlist *dst, | |
177 | struct scatterlist *src, unsigned int nbytes) | |
178 | { | |
179 | return glue_cbc_decrypt_128bit(&camellia_dec_cbc, desc, dst, src, | |
180 | nbytes); | |
181 | } | |
182 | ||
183 | static int ctr_crypt(struct blkcipher_desc *desc, struct scatterlist *dst, | |
184 | struct scatterlist *src, unsigned int nbytes) | |
185 | { | |
186 | return glue_ctr_crypt_128bit(&camellia_ctr, desc, dst, src, nbytes); | |
187 | } | |
188 | ||
189 | static inline bool camellia_fpu_begin(bool fpu_enabled, unsigned int nbytes) | |
190 | { | |
191 | return glue_fpu_begin(CAMELLIA_BLOCK_SIZE, | |
192 | CAMELLIA_AESNI_PARALLEL_BLOCKS, NULL, fpu_enabled, | |
193 | nbytes); | |
194 | } | |
195 | ||
196 | static inline void camellia_fpu_end(bool fpu_enabled) | |
197 | { | |
198 | glue_fpu_end(fpu_enabled); | |
199 | } | |
200 | ||
201 | static int camellia_setkey(struct crypto_tfm *tfm, const u8 *in_key, | |
202 | unsigned int key_len) | |
203 | { | |
204 | return __camellia_setkey(crypto_tfm_ctx(tfm), in_key, key_len, | |
205 | &tfm->crt_flags); | |
206 | } | |
207 | ||
208 | struct crypt_priv { | |
209 | struct camellia_ctx *ctx; | |
210 | bool fpu_enabled; | |
211 | }; | |
212 | ||
213 | static void encrypt_callback(void *priv, u8 *srcdst, unsigned int nbytes) | |
214 | { | |
215 | const unsigned int bsize = CAMELLIA_BLOCK_SIZE; | |
216 | struct crypt_priv *ctx = priv; | |
217 | int i; | |
218 | ||
219 | ctx->fpu_enabled = camellia_fpu_begin(ctx->fpu_enabled, nbytes); | |
220 | ||
221 | if (nbytes >= CAMELLIA_AESNI_PARALLEL_BLOCKS * bsize) { | |
222 | camellia_ecb_enc_16way(ctx->ctx, srcdst, srcdst); | |
223 | srcdst += bsize * CAMELLIA_AESNI_PARALLEL_BLOCKS; | |
224 | nbytes -= bsize * CAMELLIA_AESNI_PARALLEL_BLOCKS; | |
225 | } | |
226 | ||
227 | while (nbytes >= CAMELLIA_PARALLEL_BLOCKS * bsize) { | |
228 | camellia_enc_blk_2way(ctx->ctx, srcdst, srcdst); | |
229 | srcdst += bsize * CAMELLIA_PARALLEL_BLOCKS; | |
230 | nbytes -= bsize * CAMELLIA_PARALLEL_BLOCKS; | |
231 | } | |
232 | ||
233 | for (i = 0; i < nbytes / bsize; i++, srcdst += bsize) | |
234 | camellia_enc_blk(ctx->ctx, srcdst, srcdst); | |
235 | } | |
236 | ||
237 | static void decrypt_callback(void *priv, u8 *srcdst, unsigned int nbytes) | |
238 | { | |
239 | const unsigned int bsize = CAMELLIA_BLOCK_SIZE; | |
240 | struct crypt_priv *ctx = priv; | |
241 | int i; | |
242 | ||
243 | ctx->fpu_enabled = camellia_fpu_begin(ctx->fpu_enabled, nbytes); | |
244 | ||
245 | if (nbytes >= CAMELLIA_AESNI_PARALLEL_BLOCKS * bsize) { | |
246 | camellia_ecb_dec_16way(ctx->ctx, srcdst, srcdst); | |
247 | srcdst += bsize * CAMELLIA_AESNI_PARALLEL_BLOCKS; | |
248 | nbytes -= bsize * CAMELLIA_AESNI_PARALLEL_BLOCKS; | |
249 | } | |
250 | ||
251 | while (nbytes >= CAMELLIA_PARALLEL_BLOCKS * bsize) { | |
252 | camellia_dec_blk_2way(ctx->ctx, srcdst, srcdst); | |
253 | srcdst += bsize * CAMELLIA_PARALLEL_BLOCKS; | |
254 | nbytes -= bsize * CAMELLIA_PARALLEL_BLOCKS; | |
255 | } | |
256 | ||
257 | for (i = 0; i < nbytes / bsize; i++, srcdst += bsize) | |
258 | camellia_dec_blk(ctx->ctx, srcdst, srcdst); | |
259 | } | |
260 | ||
261 | static int lrw_encrypt(struct blkcipher_desc *desc, struct scatterlist *dst, | |
262 | struct scatterlist *src, unsigned int nbytes) | |
263 | { | |
264 | struct camellia_lrw_ctx *ctx = crypto_blkcipher_ctx(desc->tfm); | |
265 | be128 buf[CAMELLIA_AESNI_PARALLEL_BLOCKS]; | |
266 | struct crypt_priv crypt_ctx = { | |
267 | .ctx = &ctx->camellia_ctx, | |
268 | .fpu_enabled = false, | |
269 | }; | |
270 | struct lrw_crypt_req req = { | |
271 | .tbuf = buf, | |
272 | .tbuflen = sizeof(buf), | |
273 | ||
274 | .table_ctx = &ctx->lrw_table, | |
275 | .crypt_ctx = &crypt_ctx, | |
276 | .crypt_fn = encrypt_callback, | |
277 | }; | |
278 | int ret; | |
279 | ||
280 | desc->flags &= ~CRYPTO_TFM_REQ_MAY_SLEEP; | |
281 | ret = lrw_crypt(desc, dst, src, nbytes, &req); | |
282 | camellia_fpu_end(crypt_ctx.fpu_enabled); | |
283 | ||
284 | return ret; | |
285 | } | |
286 | ||
287 | static int lrw_decrypt(struct blkcipher_desc *desc, struct scatterlist *dst, | |
288 | struct scatterlist *src, unsigned int nbytes) | |
289 | { | |
290 | struct camellia_lrw_ctx *ctx = crypto_blkcipher_ctx(desc->tfm); | |
291 | be128 buf[CAMELLIA_AESNI_PARALLEL_BLOCKS]; | |
292 | struct crypt_priv crypt_ctx = { | |
293 | .ctx = &ctx->camellia_ctx, | |
294 | .fpu_enabled = false, | |
295 | }; | |
296 | struct lrw_crypt_req req = { | |
297 | .tbuf = buf, | |
298 | .tbuflen = sizeof(buf), | |
299 | ||
300 | .table_ctx = &ctx->lrw_table, | |
301 | .crypt_ctx = &crypt_ctx, | |
302 | .crypt_fn = decrypt_callback, | |
303 | }; | |
304 | int ret; | |
305 | ||
306 | desc->flags &= ~CRYPTO_TFM_REQ_MAY_SLEEP; | |
307 | ret = lrw_crypt(desc, dst, src, nbytes, &req); | |
308 | camellia_fpu_end(crypt_ctx.fpu_enabled); | |
309 | ||
310 | return ret; | |
311 | } | |
312 | ||
313 | static int xts_encrypt(struct blkcipher_desc *desc, struct scatterlist *dst, | |
314 | struct scatterlist *src, unsigned int nbytes) | |
315 | { | |
316 | struct camellia_xts_ctx *ctx = crypto_blkcipher_ctx(desc->tfm); | |
d9b1d2e7 | 317 | |
b5c5b072 JK |
318 | return glue_xts_crypt_128bit(&camellia_enc_xts, desc, dst, src, nbytes, |
319 | XTS_TWEAK_CAST(camellia_enc_blk), | |
320 | &ctx->tweak_ctx, &ctx->crypt_ctx); | |
d9b1d2e7 JK |
321 | } |
322 | ||
323 | static int xts_decrypt(struct blkcipher_desc *desc, struct scatterlist *dst, | |
324 | struct scatterlist *src, unsigned int nbytes) | |
325 | { | |
326 | struct camellia_xts_ctx *ctx = crypto_blkcipher_ctx(desc->tfm); | |
d9b1d2e7 | 327 | |
b5c5b072 JK |
328 | return glue_xts_crypt_128bit(&camellia_dec_xts, desc, dst, src, nbytes, |
329 | XTS_TWEAK_CAST(camellia_enc_blk), | |
330 | &ctx->tweak_ctx, &ctx->crypt_ctx); | |
d9b1d2e7 JK |
331 | } |
332 | ||
333 | static struct crypto_alg cmll_algs[10] = { { | |
334 | .cra_name = "__ecb-camellia-aesni", | |
335 | .cra_driver_name = "__driver-ecb-camellia-aesni", | |
336 | .cra_priority = 0, | |
7d2c31dd SM |
337 | .cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER | |
338 | CRYPTO_ALG_INTERNAL, | |
d9b1d2e7 JK |
339 | .cra_blocksize = CAMELLIA_BLOCK_SIZE, |
340 | .cra_ctxsize = sizeof(struct camellia_ctx), | |
341 | .cra_alignmask = 0, | |
342 | .cra_type = &crypto_blkcipher_type, | |
343 | .cra_module = THIS_MODULE, | |
344 | .cra_u = { | |
345 | .blkcipher = { | |
346 | .min_keysize = CAMELLIA_MIN_KEY_SIZE, | |
347 | .max_keysize = CAMELLIA_MAX_KEY_SIZE, | |
348 | .setkey = camellia_setkey, | |
349 | .encrypt = ecb_encrypt, | |
350 | .decrypt = ecb_decrypt, | |
351 | }, | |
352 | }, | |
353 | }, { | |
354 | .cra_name = "__cbc-camellia-aesni", | |
355 | .cra_driver_name = "__driver-cbc-camellia-aesni", | |
356 | .cra_priority = 0, | |
7d2c31dd SM |
357 | .cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER | |
358 | CRYPTO_ALG_INTERNAL, | |
d9b1d2e7 JK |
359 | .cra_blocksize = CAMELLIA_BLOCK_SIZE, |
360 | .cra_ctxsize = sizeof(struct camellia_ctx), | |
361 | .cra_alignmask = 0, | |
362 | .cra_type = &crypto_blkcipher_type, | |
363 | .cra_module = THIS_MODULE, | |
364 | .cra_u = { | |
365 | .blkcipher = { | |
366 | .min_keysize = CAMELLIA_MIN_KEY_SIZE, | |
367 | .max_keysize = CAMELLIA_MAX_KEY_SIZE, | |
368 | .setkey = camellia_setkey, | |
369 | .encrypt = cbc_encrypt, | |
370 | .decrypt = cbc_decrypt, | |
371 | }, | |
372 | }, | |
373 | }, { | |
374 | .cra_name = "__ctr-camellia-aesni", | |
375 | .cra_driver_name = "__driver-ctr-camellia-aesni", | |
376 | .cra_priority = 0, | |
7d2c31dd SM |
377 | .cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER | |
378 | CRYPTO_ALG_INTERNAL, | |
d9b1d2e7 JK |
379 | .cra_blocksize = 1, |
380 | .cra_ctxsize = sizeof(struct camellia_ctx), | |
381 | .cra_alignmask = 0, | |
382 | .cra_type = &crypto_blkcipher_type, | |
383 | .cra_module = THIS_MODULE, | |
384 | .cra_u = { | |
385 | .blkcipher = { | |
386 | .min_keysize = CAMELLIA_MIN_KEY_SIZE, | |
387 | .max_keysize = CAMELLIA_MAX_KEY_SIZE, | |
388 | .ivsize = CAMELLIA_BLOCK_SIZE, | |
389 | .setkey = camellia_setkey, | |
390 | .encrypt = ctr_crypt, | |
391 | .decrypt = ctr_crypt, | |
392 | }, | |
393 | }, | |
394 | }, { | |
395 | .cra_name = "__lrw-camellia-aesni", | |
396 | .cra_driver_name = "__driver-lrw-camellia-aesni", | |
397 | .cra_priority = 0, | |
7d2c31dd SM |
398 | .cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER | |
399 | CRYPTO_ALG_INTERNAL, | |
d9b1d2e7 JK |
400 | .cra_blocksize = CAMELLIA_BLOCK_SIZE, |
401 | .cra_ctxsize = sizeof(struct camellia_lrw_ctx), | |
402 | .cra_alignmask = 0, | |
403 | .cra_type = &crypto_blkcipher_type, | |
404 | .cra_module = THIS_MODULE, | |
405 | .cra_exit = lrw_camellia_exit_tfm, | |
406 | .cra_u = { | |
407 | .blkcipher = { | |
408 | .min_keysize = CAMELLIA_MIN_KEY_SIZE + | |
409 | CAMELLIA_BLOCK_SIZE, | |
410 | .max_keysize = CAMELLIA_MAX_KEY_SIZE + | |
411 | CAMELLIA_BLOCK_SIZE, | |
412 | .ivsize = CAMELLIA_BLOCK_SIZE, | |
413 | .setkey = lrw_camellia_setkey, | |
414 | .encrypt = lrw_encrypt, | |
415 | .decrypt = lrw_decrypt, | |
416 | }, | |
417 | }, | |
418 | }, { | |
419 | .cra_name = "__xts-camellia-aesni", | |
420 | .cra_driver_name = "__driver-xts-camellia-aesni", | |
421 | .cra_priority = 0, | |
7d2c31dd SM |
422 | .cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER | |
423 | CRYPTO_ALG_INTERNAL, | |
d9b1d2e7 JK |
424 | .cra_blocksize = CAMELLIA_BLOCK_SIZE, |
425 | .cra_ctxsize = sizeof(struct camellia_xts_ctx), | |
426 | .cra_alignmask = 0, | |
427 | .cra_type = &crypto_blkcipher_type, | |
428 | .cra_module = THIS_MODULE, | |
429 | .cra_u = { | |
430 | .blkcipher = { | |
431 | .min_keysize = CAMELLIA_MIN_KEY_SIZE * 2, | |
432 | .max_keysize = CAMELLIA_MAX_KEY_SIZE * 2, | |
433 | .ivsize = CAMELLIA_BLOCK_SIZE, | |
434 | .setkey = xts_camellia_setkey, | |
435 | .encrypt = xts_encrypt, | |
436 | .decrypt = xts_decrypt, | |
437 | }, | |
438 | }, | |
439 | }, { | |
440 | .cra_name = "ecb(camellia)", | |
441 | .cra_driver_name = "ecb-camellia-aesni", | |
442 | .cra_priority = 400, | |
443 | .cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER | CRYPTO_ALG_ASYNC, | |
444 | .cra_blocksize = CAMELLIA_BLOCK_SIZE, | |
445 | .cra_ctxsize = sizeof(struct async_helper_ctx), | |
446 | .cra_alignmask = 0, | |
447 | .cra_type = &crypto_ablkcipher_type, | |
448 | .cra_module = THIS_MODULE, | |
449 | .cra_init = ablk_init, | |
450 | .cra_exit = ablk_exit, | |
451 | .cra_u = { | |
452 | .ablkcipher = { | |
453 | .min_keysize = CAMELLIA_MIN_KEY_SIZE, | |
454 | .max_keysize = CAMELLIA_MAX_KEY_SIZE, | |
455 | .setkey = ablk_set_key, | |
456 | .encrypt = ablk_encrypt, | |
457 | .decrypt = ablk_decrypt, | |
458 | }, | |
459 | }, | |
460 | }, { | |
461 | .cra_name = "cbc(camellia)", | |
462 | .cra_driver_name = "cbc-camellia-aesni", | |
463 | .cra_priority = 400, | |
464 | .cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER | CRYPTO_ALG_ASYNC, | |
465 | .cra_blocksize = CAMELLIA_BLOCK_SIZE, | |
466 | .cra_ctxsize = sizeof(struct async_helper_ctx), | |
467 | .cra_alignmask = 0, | |
468 | .cra_type = &crypto_ablkcipher_type, | |
469 | .cra_module = THIS_MODULE, | |
470 | .cra_init = ablk_init, | |
471 | .cra_exit = ablk_exit, | |
472 | .cra_u = { | |
473 | .ablkcipher = { | |
474 | .min_keysize = CAMELLIA_MIN_KEY_SIZE, | |
475 | .max_keysize = CAMELLIA_MAX_KEY_SIZE, | |
476 | .ivsize = CAMELLIA_BLOCK_SIZE, | |
477 | .setkey = ablk_set_key, | |
478 | .encrypt = __ablk_encrypt, | |
479 | .decrypt = ablk_decrypt, | |
480 | }, | |
481 | }, | |
482 | }, { | |
483 | .cra_name = "ctr(camellia)", | |
484 | .cra_driver_name = "ctr-camellia-aesni", | |
485 | .cra_priority = 400, | |
486 | .cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER | CRYPTO_ALG_ASYNC, | |
487 | .cra_blocksize = 1, | |
488 | .cra_ctxsize = sizeof(struct async_helper_ctx), | |
489 | .cra_alignmask = 0, | |
490 | .cra_type = &crypto_ablkcipher_type, | |
491 | .cra_module = THIS_MODULE, | |
492 | .cra_init = ablk_init, | |
493 | .cra_exit = ablk_exit, | |
494 | .cra_u = { | |
495 | .ablkcipher = { | |
496 | .min_keysize = CAMELLIA_MIN_KEY_SIZE, | |
497 | .max_keysize = CAMELLIA_MAX_KEY_SIZE, | |
498 | .ivsize = CAMELLIA_BLOCK_SIZE, | |
499 | .setkey = ablk_set_key, | |
500 | .encrypt = ablk_encrypt, | |
501 | .decrypt = ablk_encrypt, | |
502 | .geniv = "chainiv", | |
503 | }, | |
504 | }, | |
505 | }, { | |
506 | .cra_name = "lrw(camellia)", | |
507 | .cra_driver_name = "lrw-camellia-aesni", | |
508 | .cra_priority = 400, | |
509 | .cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER | CRYPTO_ALG_ASYNC, | |
510 | .cra_blocksize = CAMELLIA_BLOCK_SIZE, | |
511 | .cra_ctxsize = sizeof(struct async_helper_ctx), | |
512 | .cra_alignmask = 0, | |
513 | .cra_type = &crypto_ablkcipher_type, | |
514 | .cra_module = THIS_MODULE, | |
515 | .cra_init = ablk_init, | |
516 | .cra_exit = ablk_exit, | |
517 | .cra_u = { | |
518 | .ablkcipher = { | |
519 | .min_keysize = CAMELLIA_MIN_KEY_SIZE + | |
520 | CAMELLIA_BLOCK_SIZE, | |
521 | .max_keysize = CAMELLIA_MAX_KEY_SIZE + | |
522 | CAMELLIA_BLOCK_SIZE, | |
523 | .ivsize = CAMELLIA_BLOCK_SIZE, | |
524 | .setkey = ablk_set_key, | |
525 | .encrypt = ablk_encrypt, | |
526 | .decrypt = ablk_decrypt, | |
527 | }, | |
528 | }, | |
529 | }, { | |
530 | .cra_name = "xts(camellia)", | |
531 | .cra_driver_name = "xts-camellia-aesni", | |
532 | .cra_priority = 400, | |
533 | .cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER | CRYPTO_ALG_ASYNC, | |
534 | .cra_blocksize = CAMELLIA_BLOCK_SIZE, | |
535 | .cra_ctxsize = sizeof(struct async_helper_ctx), | |
536 | .cra_alignmask = 0, | |
537 | .cra_type = &crypto_ablkcipher_type, | |
538 | .cra_module = THIS_MODULE, | |
539 | .cra_init = ablk_init, | |
540 | .cra_exit = ablk_exit, | |
541 | .cra_u = { | |
542 | .ablkcipher = { | |
543 | .min_keysize = CAMELLIA_MIN_KEY_SIZE * 2, | |
544 | .max_keysize = CAMELLIA_MAX_KEY_SIZE * 2, | |
545 | .ivsize = CAMELLIA_BLOCK_SIZE, | |
546 | .setkey = ablk_set_key, | |
547 | .encrypt = ablk_encrypt, | |
548 | .decrypt = ablk_decrypt, | |
549 | }, | |
550 | }, | |
551 | } }; | |
552 | ||
553 | static int __init camellia_aesni_init(void) | |
554 | { | |
ce4f5f9b | 555 | const char *feature_name; |
d9b1d2e7 | 556 | |
ce4f5f9b IM |
557 | if (!cpu_has_xfeatures(XSTATE_SSE | XSTATE_YMM, &feature_name)) { |
558 | pr_info("CPU feature '%s' is not supported.\n", feature_name); | |
d9b1d2e7 JK |
559 | return -ENODEV; |
560 | } | |
561 | ||
562 | return crypto_register_algs(cmll_algs, ARRAY_SIZE(cmll_algs)); | |
563 | } | |
564 | ||
565 | static void __exit camellia_aesni_fini(void) | |
566 | { | |
567 | crypto_unregister_algs(cmll_algs, ARRAY_SIZE(cmll_algs)); | |
568 | } | |
569 | ||
570 | module_init(camellia_aesni_init); | |
571 | module_exit(camellia_aesni_fini); | |
572 | ||
573 | MODULE_LICENSE("GPL"); | |
574 | MODULE_DESCRIPTION("Camellia Cipher Algorithm, AES-NI/AVX optimized"); | |
5d26a105 KC |
575 | MODULE_ALIAS_CRYPTO("camellia"); |
576 | MODULE_ALIAS_CRYPTO("camellia-asm"); |