1 | // SPDX-License-Identifier: GPL-2.0-only |
2 | /* |
3 | * Crypto acceleration support for Rockchip RK3288 |
4 | * |
5 | * Copyright (c) 2015, Fuzhou Rockchip Electronics Co., Ltd |
6 | * |
7 | * Author: Zain Wang <zain.wang@rock-chips.com> |
8 | * |
9 | * Some ideas are from marvell-cesa.c and s5p-sss.c driver. |
10 | */ |
11 | |
12 | #include <crypto/engine.h> |
13 | #include <crypto/internal/skcipher.h> |
14 | #include <crypto/scatterwalk.h> |
15 | #include <linux/device.h> |
16 | #include <linux/err.h> |
17 | #include <linux/kernel.h> |
18 | #include <linux/string.h> |
19 | #include "rk3288_crypto.h" |
20 | |
21 | #define RK_CRYPTO_DEC BIT(0) |
22 | |
23 | static int rk_cipher_need_fallback(struct skcipher_request *req) |
24 | { |
25 | struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req); |
26 | struct skcipher_alg *alg = crypto_skcipher_alg(tfm); |
27 | struct rk_crypto_tmp *algt = container_of(alg, struct rk_crypto_tmp, alg.skcipher.base); |
28 | struct scatterlist *sgs, *sgd; |
29 | unsigned int stodo, dtodo, len; |
30 | unsigned int bs = crypto_skcipher_blocksize(tfm); |
31 | |
32 | if (!req->cryptlen) |
33 | return true; |
34 | |
35 | len = req->cryptlen; |
36 | sgs = req->src; |
37 | sgd = req->dst; |
38 | while (sgs && sgd) { |
39 | if (!IS_ALIGNED(sgs->offset, sizeof(u32))) { |
40 | algt->stat_fb_align++; |
41 | return true; |
42 | } |
43 | if (!IS_ALIGNED(sgd->offset, sizeof(u32))) { |
44 | algt->stat_fb_align++; |
45 | return true; |
46 | } |
47 | stodo = min(len, sgs->length); |
48 | if (stodo % bs) { |
49 | algt->stat_fb_len++; |
50 | return true; |
51 | } |
52 | dtodo = min(len, sgd->length); |
53 | if (dtodo % bs) { |
54 | algt->stat_fb_len++; |
55 | return true; |
56 | } |
57 | if (stodo != dtodo) { |
58 | algt->stat_fb_sgdiff++; |
59 | return true; |
60 | } |
61 | len -= stodo; |
62 | sgs = sg_next(sgs); |
63 | sgd = sg_next(sgd); |
64 | } |
65 | return false; |
66 | } |
67 | |
68 | static int rk_cipher_fallback(struct skcipher_request *areq) |
69 | { |
70 | struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req: areq); |
71 | struct rk_cipher_ctx *op = crypto_skcipher_ctx(tfm); |
72 | struct rk_cipher_rctx *rctx = skcipher_request_ctx(req: areq); |
73 | struct skcipher_alg *alg = crypto_skcipher_alg(tfm); |
74 | struct rk_crypto_tmp *algt = container_of(alg, struct rk_crypto_tmp, alg.skcipher.base); |
75 | int err; |
76 | |
77 | algt->stat_fb++; |
78 | |
79 | skcipher_request_set_tfm(req: &rctx->fallback_req, tfm: op->fallback_tfm); |
80 | skcipher_request_set_callback(req: &rctx->fallback_req, flags: areq->base.flags, |
81 | compl: areq->base.complete, data: areq->base.data); |
82 | skcipher_request_set_crypt(req: &rctx->fallback_req, src: areq->src, dst: areq->dst, |
83 | cryptlen: areq->cryptlen, iv: areq->iv); |
84 | if (rctx->mode & RK_CRYPTO_DEC) |
85 | err = crypto_skcipher_decrypt(req: &rctx->fallback_req); |
86 | else |
87 | err = crypto_skcipher_encrypt(req: &rctx->fallback_req); |
88 | return err; |
89 | } |
90 | |
91 | static int rk_cipher_handle_req(struct skcipher_request *req) |
92 | { |
93 | struct rk_cipher_rctx *rctx = skcipher_request_ctx(req); |
94 | struct rk_crypto_info *rkc; |
95 | struct crypto_engine *engine; |
96 | |
97 | if (rk_cipher_need_fallback(req)) |
98 | return rk_cipher_fallback(areq: req); |
99 | |
100 | rkc = get_rk_crypto(); |
101 | |
102 | engine = rkc->engine; |
103 | rctx->dev = rkc; |
104 | |
105 | return crypto_transfer_skcipher_request_to_engine(engine, req); |
106 | } |
107 | |
108 | static int rk_aes_setkey(struct crypto_skcipher *cipher, |
109 | const u8 *key, unsigned int keylen) |
110 | { |
111 | struct crypto_tfm *tfm = crypto_skcipher_tfm(tfm: cipher); |
112 | struct rk_cipher_ctx *ctx = crypto_tfm_ctx(tfm); |
113 | |
114 | if (keylen != AES_KEYSIZE_128 && keylen != AES_KEYSIZE_192 && |
115 | keylen != AES_KEYSIZE_256) |
116 | return -EINVAL; |
117 | ctx->keylen = keylen; |
118 | memcpy(ctx->key, key, keylen); |
119 | |
120 | return crypto_skcipher_setkey(tfm: ctx->fallback_tfm, key, keylen); |
121 | } |
122 | |
123 | static int rk_des_setkey(struct crypto_skcipher *cipher, |
124 | const u8 *key, unsigned int keylen) |
125 | { |
126 | struct rk_cipher_ctx *ctx = crypto_skcipher_ctx(tfm: cipher); |
127 | int err; |
128 | |
129 | err = verify_skcipher_des_key(tfm: cipher, key); |
130 | if (err) |
131 | return err; |
132 | |
133 | ctx->keylen = keylen; |
134 | memcpy(ctx->key, key, keylen); |
135 | |
136 | return crypto_skcipher_setkey(tfm: ctx->fallback_tfm, key, keylen); |
137 | } |
138 | |
139 | static int rk_tdes_setkey(struct crypto_skcipher *cipher, |
140 | const u8 *key, unsigned int keylen) |
141 | { |
142 | struct rk_cipher_ctx *ctx = crypto_skcipher_ctx(tfm: cipher); |
143 | int err; |
144 | |
145 | err = verify_skcipher_des3_key(tfm: cipher, key); |
146 | if (err) |
147 | return err; |
148 | |
149 | ctx->keylen = keylen; |
150 | memcpy(ctx->key, key, keylen); |
151 | |
152 | return crypto_skcipher_setkey(tfm: ctx->fallback_tfm, key, keylen); |
153 | } |
154 | |
155 | static int rk_aes_ecb_encrypt(struct skcipher_request *req) |
156 | { |
157 | struct rk_cipher_rctx *rctx = skcipher_request_ctx(req); |
158 | |
159 | rctx->mode = RK_CRYPTO_AES_ECB_MODE; |
160 | return rk_cipher_handle_req(req); |
161 | } |
162 | |
163 | static int rk_aes_ecb_decrypt(struct skcipher_request *req) |
164 | { |
165 | struct rk_cipher_rctx *rctx = skcipher_request_ctx(req); |
166 | |
167 | rctx->mode = RK_CRYPTO_AES_ECB_MODE | RK_CRYPTO_DEC; |
168 | return rk_cipher_handle_req(req); |
169 | } |
170 | |
171 | static int rk_aes_cbc_encrypt(struct skcipher_request *req) |
172 | { |
173 | struct rk_cipher_rctx *rctx = skcipher_request_ctx(req); |
174 | |
175 | rctx->mode = RK_CRYPTO_AES_CBC_MODE; |
176 | return rk_cipher_handle_req(req); |
177 | } |
178 | |
179 | static int rk_aes_cbc_decrypt(struct skcipher_request *req) |
180 | { |
181 | struct rk_cipher_rctx *rctx = skcipher_request_ctx(req); |
182 | |
183 | rctx->mode = RK_CRYPTO_AES_CBC_MODE | RK_CRYPTO_DEC; |
184 | return rk_cipher_handle_req(req); |
185 | } |
186 | |
187 | static int rk_des_ecb_encrypt(struct skcipher_request *req) |
188 | { |
189 | struct rk_cipher_rctx *rctx = skcipher_request_ctx(req); |
190 | |
191 | rctx->mode = 0; |
192 | return rk_cipher_handle_req(req); |
193 | } |
194 | |
195 | static int rk_des_ecb_decrypt(struct skcipher_request *req) |
196 | { |
197 | struct rk_cipher_rctx *rctx = skcipher_request_ctx(req); |
198 | |
199 | rctx->mode = RK_CRYPTO_DEC; |
200 | return rk_cipher_handle_req(req); |
201 | } |
202 | |
203 | static int rk_des_cbc_encrypt(struct skcipher_request *req) |
204 | { |
205 | struct rk_cipher_rctx *rctx = skcipher_request_ctx(req); |
206 | |
207 | rctx->mode = RK_CRYPTO_TDES_CHAINMODE_CBC; |
208 | return rk_cipher_handle_req(req); |
209 | } |
210 | |
211 | static int rk_des_cbc_decrypt(struct skcipher_request *req) |
212 | { |
213 | struct rk_cipher_rctx *rctx = skcipher_request_ctx(req); |
214 | |
215 | rctx->mode = RK_CRYPTO_TDES_CHAINMODE_CBC | RK_CRYPTO_DEC; |
216 | return rk_cipher_handle_req(req); |
217 | } |
218 | |
219 | static int rk_des3_ede_ecb_encrypt(struct skcipher_request *req) |
220 | { |
221 | struct rk_cipher_rctx *rctx = skcipher_request_ctx(req); |
222 | |
223 | rctx->mode = RK_CRYPTO_TDES_SELECT; |
224 | return rk_cipher_handle_req(req); |
225 | } |
226 | |
227 | static int rk_des3_ede_ecb_decrypt(struct skcipher_request *req) |
228 | { |
229 | struct rk_cipher_rctx *rctx = skcipher_request_ctx(req); |
230 | |
231 | rctx->mode = RK_CRYPTO_TDES_SELECT | RK_CRYPTO_DEC; |
232 | return rk_cipher_handle_req(req); |
233 | } |
234 | |
235 | static int rk_des3_ede_cbc_encrypt(struct skcipher_request *req) |
236 | { |
237 | struct rk_cipher_rctx *rctx = skcipher_request_ctx(req); |
238 | |
239 | rctx->mode = RK_CRYPTO_TDES_SELECT | RK_CRYPTO_TDES_CHAINMODE_CBC; |
240 | return rk_cipher_handle_req(req); |
241 | } |
242 | |
243 | static int rk_des3_ede_cbc_decrypt(struct skcipher_request *req) |
244 | { |
245 | struct rk_cipher_rctx *rctx = skcipher_request_ctx(req); |
246 | |
247 | rctx->mode = RK_CRYPTO_TDES_SELECT | RK_CRYPTO_TDES_CHAINMODE_CBC | |
248 | RK_CRYPTO_DEC; |
249 | return rk_cipher_handle_req(req); |
250 | } |
251 | |
252 | static void rk_cipher_hw_init(struct rk_crypto_info *dev, struct skcipher_request *req) |
253 | { |
254 | struct crypto_skcipher *cipher = crypto_skcipher_reqtfm(req); |
255 | struct crypto_tfm *tfm = crypto_skcipher_tfm(tfm: cipher); |
256 | struct rk_cipher_rctx *rctx = skcipher_request_ctx(req); |
257 | struct rk_cipher_ctx *ctx = crypto_skcipher_ctx(tfm: cipher); |
258 | u32 block, conf_reg = 0; |
259 | |
260 | block = crypto_tfm_alg_blocksize(tfm); |
261 | |
262 | if (block == DES_BLOCK_SIZE) { |
263 | rctx->mode |= RK_CRYPTO_TDES_FIFO_MODE | |
264 | RK_CRYPTO_TDES_BYTESWAP_KEY | |
265 | RK_CRYPTO_TDES_BYTESWAP_IV; |
266 | CRYPTO_WRITE(dev, RK_CRYPTO_TDES_CTRL, rctx->mode); |
267 | memcpy_toio(dev->reg + RK_CRYPTO_TDES_KEY1_0, ctx->key, ctx->keylen); |
268 | conf_reg = RK_CRYPTO_DESSEL; |
269 | } else { |
270 | rctx->mode |= RK_CRYPTO_AES_FIFO_MODE | |
271 | RK_CRYPTO_AES_KEY_CHANGE | |
272 | RK_CRYPTO_AES_BYTESWAP_KEY | |
273 | RK_CRYPTO_AES_BYTESWAP_IV; |
274 | if (ctx->keylen == AES_KEYSIZE_192) |
275 | rctx->mode |= RK_CRYPTO_AES_192BIT_key; |
276 | else if (ctx->keylen == AES_KEYSIZE_256) |
277 | rctx->mode |= RK_CRYPTO_AES_256BIT_key; |
278 | CRYPTO_WRITE(dev, RK_CRYPTO_AES_CTRL, rctx->mode); |
279 | memcpy_toio(dev->reg + RK_CRYPTO_AES_KEY_0, ctx->key, ctx->keylen); |
280 | } |
281 | conf_reg |= RK_CRYPTO_BYTESWAP_BTFIFO | |
282 | RK_CRYPTO_BYTESWAP_BRFIFO; |
283 | CRYPTO_WRITE(dev, RK_CRYPTO_CONF, conf_reg); |
284 | CRYPTO_WRITE(dev, RK_CRYPTO_INTENA, |
285 | RK_CRYPTO_BCDMA_ERR_ENA | RK_CRYPTO_BCDMA_DONE_ENA); |
286 | } |
287 | |
288 | static void crypto_dma_start(struct rk_crypto_info *dev, |
289 | struct scatterlist *sgs, |
290 | struct scatterlist *sgd, unsigned int todo) |
291 | { |
292 | CRYPTO_WRITE(dev, RK_CRYPTO_BRDMAS, sg_dma_address(sgs)); |
293 | CRYPTO_WRITE(dev, RK_CRYPTO_BRDMAL, todo); |
294 | CRYPTO_WRITE(dev, RK_CRYPTO_BTDMAS, sg_dma_address(sgd)); |
295 | CRYPTO_WRITE(dev, RK_CRYPTO_CTRL, RK_CRYPTO_BLOCK_START | |
296 | _SBF(RK_CRYPTO_BLOCK_START, 16)); |
297 | } |
298 | |
299 | static int rk_cipher_run(struct crypto_engine *engine, void *async_req) |
300 | { |
301 | struct skcipher_request *areq = container_of(async_req, struct skcipher_request, base); |
302 | struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req: areq); |
303 | struct rk_cipher_rctx *rctx = skcipher_request_ctx(req: areq); |
304 | struct scatterlist *sgs, *sgd; |
305 | int err = 0; |
306 | int ivsize = crypto_skcipher_ivsize(tfm); |
307 | int offset; |
308 | u8 iv[AES_BLOCK_SIZE]; |
309 | u8 biv[AES_BLOCK_SIZE]; |
310 | u8 *ivtouse = areq->iv; |
311 | unsigned int len = areq->cryptlen; |
312 | unsigned int todo; |
313 | struct skcipher_alg *alg = crypto_skcipher_alg(tfm); |
314 | struct rk_crypto_tmp *algt = container_of(alg, struct rk_crypto_tmp, alg.skcipher.base); |
315 | struct rk_crypto_info *rkc = rctx->dev; |
316 | |
317 | err = pm_runtime_resume_and_get(dev: rkc->dev); |
318 | if (err) |
319 | return err; |
320 | |
321 | algt->stat_req++; |
322 | rkc->nreq++; |
323 | |
324 | ivsize = crypto_skcipher_ivsize(tfm); |
325 | if (areq->iv && crypto_skcipher_ivsize(tfm) > 0) { |
326 | if (rctx->mode & RK_CRYPTO_DEC) { |
327 | offset = areq->cryptlen - ivsize; |
328 | scatterwalk_map_and_copy(buf: rctx->backup_iv, sg: areq->src, |
329 | start: offset, nbytes: ivsize, out: 0); |
330 | } |
331 | } |
332 | |
333 | sgs = areq->src; |
334 | sgd = areq->dst; |
335 | |
336 | while (sgs && sgd && len) { |
337 | if (!sgs->length) { |
338 | sgs = sg_next(sgs); |
339 | sgd = sg_next(sgd); |
340 | continue; |
341 | } |
342 | if (rctx->mode & RK_CRYPTO_DEC) { |
343 | /* we backup last block of source to be used as IV at next step */ |
344 | offset = sgs->length - ivsize; |
345 | scatterwalk_map_and_copy(buf: biv, sg: sgs, start: offset, nbytes: ivsize, out: 0); |
346 | } |
347 | if (sgs == sgd) { |
348 | err = dma_map_sg(rkc->dev, sgs, 1, DMA_BIDIRECTIONAL); |
349 | if (err <= 0) { |
350 | err = -EINVAL; |
351 | goto theend_iv; |
352 | } |
353 | } else { |
354 | err = dma_map_sg(rkc->dev, sgs, 1, DMA_TO_DEVICE); |
355 | if (err <= 0) { |
356 | err = -EINVAL; |
357 | goto theend_iv; |
358 | } |
359 | err = dma_map_sg(rkc->dev, sgd, 1, DMA_FROM_DEVICE); |
360 | if (err <= 0) { |
361 | err = -EINVAL; |
362 | goto theend_sgs; |
363 | } |
364 | } |
365 | err = 0; |
366 | rk_cipher_hw_init(dev: rkc, req: areq); |
367 | if (ivsize) { |
368 | if (ivsize == DES_BLOCK_SIZE) |
369 | memcpy_toio(rkc->reg + RK_CRYPTO_TDES_IV_0, ivtouse, ivsize); |
370 | else |
371 | memcpy_toio(rkc->reg + RK_CRYPTO_AES_IV_0, ivtouse, ivsize); |
372 | } |
373 | reinit_completion(x: &rkc->complete); |
374 | rkc->status = 0; |
375 | |
376 | todo = min(sg_dma_len(sgs), len); |
377 | len -= todo; |
378 | crypto_dma_start(dev: rkc, sgs, sgd, todo: todo / 4); |
379 | wait_for_completion_interruptible_timeout(x: &rkc->complete, |
380 | timeout: msecs_to_jiffies(m: 2000)); |
381 | if (!rkc->status) { |
382 | dev_err(rkc->dev, "DMA timeout\n" ); |
383 | err = -EFAULT; |
384 | goto theend; |
385 | } |
386 | if (sgs == sgd) { |
387 | dma_unmap_sg(rkc->dev, sgs, 1, DMA_BIDIRECTIONAL); |
388 | } else { |
389 | dma_unmap_sg(rkc->dev, sgs, 1, DMA_TO_DEVICE); |
390 | dma_unmap_sg(rkc->dev, sgd, 1, DMA_FROM_DEVICE); |
391 | } |
392 | if (rctx->mode & RK_CRYPTO_DEC) { |
393 | memcpy(iv, biv, ivsize); |
394 | ivtouse = iv; |
395 | } else { |
396 | offset = sgd->length - ivsize; |
397 | scatterwalk_map_and_copy(buf: iv, sg: sgd, start: offset, nbytes: ivsize, out: 0); |
398 | ivtouse = iv; |
399 | } |
400 | sgs = sg_next(sgs); |
401 | sgd = sg_next(sgd); |
402 | } |
403 | |
404 | if (areq->iv && ivsize > 0) { |
405 | offset = areq->cryptlen - ivsize; |
406 | if (rctx->mode & RK_CRYPTO_DEC) { |
407 | memcpy(areq->iv, rctx->backup_iv, ivsize); |
408 | memzero_explicit(s: rctx->backup_iv, count: ivsize); |
409 | } else { |
410 | scatterwalk_map_and_copy(buf: areq->iv, sg: areq->dst, start: offset, |
411 | nbytes: ivsize, out: 0); |
412 | } |
413 | } |
414 | |
415 | theend: |
416 | pm_runtime_put_autosuspend(dev: rkc->dev); |
417 | |
418 | local_bh_disable(); |
419 | crypto_finalize_skcipher_request(engine, req: areq, err); |
420 | local_bh_enable(); |
421 | return 0; |
422 | |
423 | theend_sgs: |
424 | if (sgs == sgd) { |
425 | dma_unmap_sg(rkc->dev, sgs, 1, DMA_BIDIRECTIONAL); |
426 | } else { |
427 | dma_unmap_sg(rkc->dev, sgs, 1, DMA_TO_DEVICE); |
428 | dma_unmap_sg(rkc->dev, sgd, 1, DMA_FROM_DEVICE); |
429 | } |
430 | theend_iv: |
431 | return err; |
432 | } |
433 | |
434 | static int rk_cipher_tfm_init(struct crypto_skcipher *tfm) |
435 | { |
436 | struct rk_cipher_ctx *ctx = crypto_skcipher_ctx(tfm); |
437 | const char *name = crypto_tfm_alg_name(tfm: &tfm->base); |
438 | struct skcipher_alg *alg = crypto_skcipher_alg(tfm); |
439 | struct rk_crypto_tmp *algt = container_of(alg, struct rk_crypto_tmp, alg.skcipher.base); |
440 | |
441 | ctx->fallback_tfm = crypto_alloc_skcipher(alg_name: name, type: 0, CRYPTO_ALG_NEED_FALLBACK); |
442 | if (IS_ERR(ptr: ctx->fallback_tfm)) { |
443 | dev_err(algt->dev->dev, "ERROR: Cannot allocate fallback for %s %ld\n" , |
444 | name, PTR_ERR(ctx->fallback_tfm)); |
445 | return PTR_ERR(ptr: ctx->fallback_tfm); |
446 | } |
447 | |
448 | crypto_skcipher_set_reqsize(skcipher: tfm, reqsize: sizeof(struct rk_cipher_rctx) + |
449 | crypto_skcipher_reqsize(tfm: ctx->fallback_tfm)); |
450 | |
451 | return 0; |
452 | } |
453 | |
454 | static void rk_cipher_tfm_exit(struct crypto_skcipher *tfm) |
455 | { |
456 | struct rk_cipher_ctx *ctx = crypto_skcipher_ctx(tfm); |
457 | |
458 | memzero_explicit(s: ctx->key, count: ctx->keylen); |
459 | crypto_free_skcipher(tfm: ctx->fallback_tfm); |
460 | } |
461 | |
462 | struct rk_crypto_tmp rk_ecb_aes_alg = { |
463 | .type = CRYPTO_ALG_TYPE_SKCIPHER, |
464 | .alg.skcipher.base = { |
465 | .base.cra_name = "ecb(aes)" , |
466 | .base.cra_driver_name = "ecb-aes-rk" , |
467 | .base.cra_priority = 300, |
468 | .base.cra_flags = CRYPTO_ALG_ASYNC | CRYPTO_ALG_NEED_FALLBACK, |
469 | .base.cra_blocksize = AES_BLOCK_SIZE, |
470 | .base.cra_ctxsize = sizeof(struct rk_cipher_ctx), |
471 | .base.cra_alignmask = 0x0f, |
472 | .base.cra_module = THIS_MODULE, |
473 | |
474 | .init = rk_cipher_tfm_init, |
475 | .exit = rk_cipher_tfm_exit, |
476 | .min_keysize = AES_MIN_KEY_SIZE, |
477 | .max_keysize = AES_MAX_KEY_SIZE, |
478 | .setkey = rk_aes_setkey, |
479 | .encrypt = rk_aes_ecb_encrypt, |
480 | .decrypt = rk_aes_ecb_decrypt, |
481 | }, |
482 | .alg.skcipher.op = { |
483 | .do_one_request = rk_cipher_run, |
484 | }, |
485 | }; |
486 | |
487 | struct rk_crypto_tmp rk_cbc_aes_alg = { |
488 | .type = CRYPTO_ALG_TYPE_SKCIPHER, |
489 | .alg.skcipher.base = { |
490 | .base.cra_name = "cbc(aes)" , |
491 | .base.cra_driver_name = "cbc-aes-rk" , |
492 | .base.cra_priority = 300, |
493 | .base.cra_flags = CRYPTO_ALG_ASYNC | CRYPTO_ALG_NEED_FALLBACK, |
494 | .base.cra_blocksize = AES_BLOCK_SIZE, |
495 | .base.cra_ctxsize = sizeof(struct rk_cipher_ctx), |
496 | .base.cra_alignmask = 0x0f, |
497 | .base.cra_module = THIS_MODULE, |
498 | |
499 | .init = rk_cipher_tfm_init, |
500 | .exit = rk_cipher_tfm_exit, |
501 | .min_keysize = AES_MIN_KEY_SIZE, |
502 | .max_keysize = AES_MAX_KEY_SIZE, |
503 | .ivsize = AES_BLOCK_SIZE, |
504 | .setkey = rk_aes_setkey, |
505 | .encrypt = rk_aes_cbc_encrypt, |
506 | .decrypt = rk_aes_cbc_decrypt, |
507 | }, |
508 | .alg.skcipher.op = { |
509 | .do_one_request = rk_cipher_run, |
510 | }, |
511 | }; |
512 | |
513 | struct rk_crypto_tmp rk_ecb_des_alg = { |
514 | .type = CRYPTO_ALG_TYPE_SKCIPHER, |
515 | .alg.skcipher.base = { |
516 | .base.cra_name = "ecb(des)" , |
517 | .base.cra_driver_name = "ecb-des-rk" , |
518 | .base.cra_priority = 300, |
519 | .base.cra_flags = CRYPTO_ALG_ASYNC | CRYPTO_ALG_NEED_FALLBACK, |
520 | .base.cra_blocksize = DES_BLOCK_SIZE, |
521 | .base.cra_ctxsize = sizeof(struct rk_cipher_ctx), |
522 | .base.cra_alignmask = 0x07, |
523 | .base.cra_module = THIS_MODULE, |
524 | |
525 | .init = rk_cipher_tfm_init, |
526 | .exit = rk_cipher_tfm_exit, |
527 | .min_keysize = DES_KEY_SIZE, |
528 | .max_keysize = DES_KEY_SIZE, |
529 | .setkey = rk_des_setkey, |
530 | .encrypt = rk_des_ecb_encrypt, |
531 | .decrypt = rk_des_ecb_decrypt, |
532 | }, |
533 | .alg.skcipher.op = { |
534 | .do_one_request = rk_cipher_run, |
535 | }, |
536 | }; |
537 | |
538 | struct rk_crypto_tmp rk_cbc_des_alg = { |
539 | .type = CRYPTO_ALG_TYPE_SKCIPHER, |
540 | .alg.skcipher.base = { |
541 | .base.cra_name = "cbc(des)" , |
542 | .base.cra_driver_name = "cbc-des-rk" , |
543 | .base.cra_priority = 300, |
544 | .base.cra_flags = CRYPTO_ALG_ASYNC | CRYPTO_ALG_NEED_FALLBACK, |
545 | .base.cra_blocksize = DES_BLOCK_SIZE, |
546 | .base.cra_ctxsize = sizeof(struct rk_cipher_ctx), |
547 | .base.cra_alignmask = 0x07, |
548 | .base.cra_module = THIS_MODULE, |
549 | |
550 | .init = rk_cipher_tfm_init, |
551 | .exit = rk_cipher_tfm_exit, |
552 | .min_keysize = DES_KEY_SIZE, |
553 | .max_keysize = DES_KEY_SIZE, |
554 | .ivsize = DES_BLOCK_SIZE, |
555 | .setkey = rk_des_setkey, |
556 | .encrypt = rk_des_cbc_encrypt, |
557 | .decrypt = rk_des_cbc_decrypt, |
558 | }, |
559 | .alg.skcipher.op = { |
560 | .do_one_request = rk_cipher_run, |
561 | }, |
562 | }; |
563 | |
564 | struct rk_crypto_tmp rk_ecb_des3_ede_alg = { |
565 | .type = CRYPTO_ALG_TYPE_SKCIPHER, |
566 | .alg.skcipher.base = { |
567 | .base.cra_name = "ecb(des3_ede)" , |
568 | .base.cra_driver_name = "ecb-des3-ede-rk" , |
569 | .base.cra_priority = 300, |
570 | .base.cra_flags = CRYPTO_ALG_ASYNC | CRYPTO_ALG_NEED_FALLBACK, |
571 | .base.cra_blocksize = DES_BLOCK_SIZE, |
572 | .base.cra_ctxsize = sizeof(struct rk_cipher_ctx), |
573 | .base.cra_alignmask = 0x07, |
574 | .base.cra_module = THIS_MODULE, |
575 | |
576 | .init = rk_cipher_tfm_init, |
577 | .exit = rk_cipher_tfm_exit, |
578 | .min_keysize = DES3_EDE_KEY_SIZE, |
579 | .max_keysize = DES3_EDE_KEY_SIZE, |
580 | .setkey = rk_tdes_setkey, |
581 | .encrypt = rk_des3_ede_ecb_encrypt, |
582 | .decrypt = rk_des3_ede_ecb_decrypt, |
583 | }, |
584 | .alg.skcipher.op = { |
585 | .do_one_request = rk_cipher_run, |
586 | }, |
587 | }; |
588 | |
589 | struct rk_crypto_tmp rk_cbc_des3_ede_alg = { |
590 | .type = CRYPTO_ALG_TYPE_SKCIPHER, |
591 | .alg.skcipher.base = { |
592 | .base.cra_name = "cbc(des3_ede)" , |
593 | .base.cra_driver_name = "cbc-des3-ede-rk" , |
594 | .base.cra_priority = 300, |
595 | .base.cra_flags = CRYPTO_ALG_ASYNC | CRYPTO_ALG_NEED_FALLBACK, |
596 | .base.cra_blocksize = DES_BLOCK_SIZE, |
597 | .base.cra_ctxsize = sizeof(struct rk_cipher_ctx), |
598 | .base.cra_alignmask = 0x07, |
599 | .base.cra_module = THIS_MODULE, |
600 | |
601 | .init = rk_cipher_tfm_init, |
602 | .exit = rk_cipher_tfm_exit, |
603 | .min_keysize = DES3_EDE_KEY_SIZE, |
604 | .max_keysize = DES3_EDE_KEY_SIZE, |
605 | .ivsize = DES_BLOCK_SIZE, |
606 | .setkey = rk_tdes_setkey, |
607 | .encrypt = rk_des3_ede_cbc_encrypt, |
608 | .decrypt = rk_des3_ede_cbc_decrypt, |
609 | }, |
610 | .alg.skcipher.op = { |
611 | .do_one_request = rk_cipher_run, |
612 | }, |
613 | }; |
614 | |