Commit | Line | Data |
---|---|---|
1da177e4 LT |
1 | /* |
2 | * Scatterlist Cryptographic API. | |
3 | * | |
4 | * Copyright (c) 2002 James Morris <jmorris@intercode.com.au> | |
5 | * Copyright (c) 2002 David S. Miller (davem@redhat.com) | |
5cb1454b | 6 | * Copyright (c) 2005 Herbert Xu <herbert@gondor.apana.org.au> |
1da177e4 LT |
7 | * |
8 | * Portions derived from Cryptoapi, by Alexander Kjeldaas <astor@fast.no> | |
18735dd8 | 9 | * and Nettle, by Niels Möller. |
1da177e4 LT |
10 | * |
11 | * This program is free software; you can redistribute it and/or modify it | |
12 | * under the terms of the GNU General Public License as published by the Free | |
13 | * Software Foundation; either version 2 of the License, or (at your option) | |
14 | * any later version. | |
15 | * | |
16 | */ | |
17 | #ifndef _LINUX_CRYPTO_H | |
18 | #define _LINUX_CRYPTO_H | |
19 | ||
6521f302 | 20 | #include <asm/atomic.h> |
1da177e4 LT |
21 | #include <linux/module.h> |
22 | #include <linux/kernel.h> | |
1da177e4 | 23 | #include <linux/list.h> |
79911102 | 24 | #include <linux/slab.h> |
1da177e4 | 25 | #include <linux/string.h> |
79911102 | 26 | #include <linux/uaccess.h> |
1da177e4 LT |
27 | |
28 | /* | |
29 | * Algorithm masks and types. | |
30 | */ | |
2825982d | 31 | #define CRYPTO_ALG_TYPE_MASK 0x0000000f |
1da177e4 LT |
32 | #define CRYPTO_ALG_TYPE_CIPHER 0x00000001 |
33 | #define CRYPTO_ALG_TYPE_DIGEST 0x00000002 | |
055bcee3 HX |
34 | #define CRYPTO_ALG_TYPE_HASH 0x00000003 |
35 | #define CRYPTO_ALG_TYPE_BLKCIPHER 0x00000004 | |
36 | #define CRYPTO_ALG_TYPE_COMPRESS 0x00000005 | |
1ae97820 | 37 | #define CRYPTO_ALG_TYPE_AEAD 0x00000006 |
055bcee3 HX |
38 | |
39 | #define CRYPTO_ALG_TYPE_HASH_MASK 0x0000000e | |
1da177e4 | 40 | |
2825982d | 41 | #define CRYPTO_ALG_LARVAL 0x00000010 |
6bfd4809 HX |
42 | #define CRYPTO_ALG_DEAD 0x00000020 |
43 | #define CRYPTO_ALG_DYING 0x00000040 | |
f3f632d6 | 44 | #define CRYPTO_ALG_ASYNC 0x00000080 |
2825982d | 45 | |
6010439f HX |
46 | /* |
47 | * Set this bit if and only if the algorithm requires another algorithm of | |
48 | * the same type to handle corner cases. | |
49 | */ | |
50 | #define CRYPTO_ALG_NEED_FALLBACK 0x00000100 | |
51 | ||
1da177e4 LT |
52 | /* |
53 | * Transform masks and values (for crt_flags). | |
54 | */ | |
1da177e4 LT |
55 | #define CRYPTO_TFM_REQ_MASK 0x000fff00 |
56 | #define CRYPTO_TFM_RES_MASK 0xfff00000 | |
57 | ||
1da177e4 | 58 | #define CRYPTO_TFM_REQ_WEAK_KEY 0x00000100 |
64baf3cf | 59 | #define CRYPTO_TFM_REQ_MAY_SLEEP 0x00000200 |
32e3983f | 60 | #define CRYPTO_TFM_REQ_MAY_BACKLOG 0x00000400 |
1da177e4 LT |
61 | #define CRYPTO_TFM_RES_WEAK_KEY 0x00100000 |
62 | #define CRYPTO_TFM_RES_BAD_KEY_LEN 0x00200000 | |
63 | #define CRYPTO_TFM_RES_BAD_KEY_SCHED 0x00400000 | |
64 | #define CRYPTO_TFM_RES_BAD_BLOCK_LEN 0x00800000 | |
65 | #define CRYPTO_TFM_RES_BAD_FLAGS 0x01000000 | |
66 | ||
67 | /* | |
68 | * Miscellaneous stuff. | |
69 | */ | |
1da177e4 LT |
70 | #define CRYPTO_MAX_ALG_NAME 64 |
71 | ||
79911102 HX |
72 | /* |
73 | * The macro CRYPTO_MINALIGN_ATTR (along with the void * type in the actual | |
74 | * declaration) is used to ensure that the crypto_tfm context structure is | |
75 | * aligned correctly for the given architecture so that there are no alignment | |
76 | * faults for C data types. In particular, this is required on platforms such | |
77 | * as arm where pointers are 32-bit aligned but there are data types such as | |
78 | * u64 which require 64-bit alignment. | |
79 | */ | |
80 | #if defined(ARCH_KMALLOC_MINALIGN) | |
81 | #define CRYPTO_MINALIGN ARCH_KMALLOC_MINALIGN | |
82 | #elif defined(ARCH_SLAB_MINALIGN) | |
83 | #define CRYPTO_MINALIGN ARCH_SLAB_MINALIGN | |
84 | #endif | |
85 | ||
86 | #ifdef CRYPTO_MINALIGN | |
87 | #define CRYPTO_MINALIGN_ATTR __attribute__ ((__aligned__(CRYPTO_MINALIGN))) | |
88 | #else | |
89 | #define CRYPTO_MINALIGN_ATTR | |
90 | #endif | |
91 | ||
1da177e4 | 92 | struct scatterlist; |
32e3983f HX |
93 | struct crypto_ablkcipher; |
94 | struct crypto_async_request; | |
1ae97820 | 95 | struct crypto_aead; |
5cde0af2 | 96 | struct crypto_blkcipher; |
055bcee3 | 97 | struct crypto_hash; |
40725181 | 98 | struct crypto_tfm; |
e853c3cf | 99 | struct crypto_type; |
40725181 | 100 | |
32e3983f HX |
101 | typedef void (*crypto_completion_t)(struct crypto_async_request *req, int err); |
102 | ||
103 | struct crypto_async_request { | |
104 | struct list_head list; | |
105 | crypto_completion_t complete; | |
106 | void *data; | |
107 | struct crypto_tfm *tfm; | |
108 | ||
109 | u32 flags; | |
110 | }; | |
111 | ||
112 | struct ablkcipher_request { | |
113 | struct crypto_async_request base; | |
114 | ||
115 | unsigned int nbytes; | |
116 | ||
117 | void *info; | |
118 | ||
119 | struct scatterlist *src; | |
120 | struct scatterlist *dst; | |
121 | ||
122 | void *__ctx[] CRYPTO_MINALIGN_ATTR; | |
123 | }; | |
124 | ||
1ae97820 HX |
125 | /** |
126 | * struct aead_request - AEAD request | |
127 | * @base: Common attributes for async crypto requests | |
128 | * @assoclen: Length in bytes of associated data for authentication | |
129 | * @cryptlen: Length of data to be encrypted or decrypted | |
130 | * @iv: Initialisation vector | |
131 | * @assoc: Associated data | |
132 | * @src: Source data | |
133 | * @dst: Destination data | |
134 | * @__ctx: Start of private context data | |
135 | */ | |
136 | struct aead_request { | |
137 | struct crypto_async_request base; | |
138 | ||
139 | unsigned int assoclen; | |
140 | unsigned int cryptlen; | |
141 | ||
142 | u8 *iv; | |
143 | ||
144 | struct scatterlist *assoc; | |
145 | struct scatterlist *src; | |
146 | struct scatterlist *dst; | |
147 | ||
148 | void *__ctx[] CRYPTO_MINALIGN_ATTR; | |
149 | }; | |
150 | ||
5cde0af2 HX |
151 | struct blkcipher_desc { |
152 | struct crypto_blkcipher *tfm; | |
153 | void *info; | |
154 | u32 flags; | |
155 | }; | |
156 | ||
40725181 HX |
157 | struct cipher_desc { |
158 | struct crypto_tfm *tfm; | |
6c2bb98b | 159 | void (*crfn)(struct crypto_tfm *tfm, u8 *dst, const u8 *src); |
40725181 HX |
160 | unsigned int (*prfn)(const struct cipher_desc *desc, u8 *dst, |
161 | const u8 *src, unsigned int nbytes); | |
162 | void *info; | |
163 | }; | |
1da177e4 | 164 | |
055bcee3 HX |
165 | struct hash_desc { |
166 | struct crypto_hash *tfm; | |
167 | u32 flags; | |
168 | }; | |
169 | ||
1da177e4 LT |
170 | /* |
171 | * Algorithms: modular crypto algorithm implementations, managed | |
172 | * via crypto_register_alg() and crypto_unregister_alg(). | |
173 | */ | |
b5b7f088 HX |
174 | struct ablkcipher_alg { |
175 | int (*setkey)(struct crypto_ablkcipher *tfm, const u8 *key, | |
176 | unsigned int keylen); | |
177 | int (*encrypt)(struct ablkcipher_request *req); | |
178 | int (*decrypt)(struct ablkcipher_request *req); | |
179 | ||
b5b7f088 HX |
180 | unsigned int min_keysize; |
181 | unsigned int max_keysize; | |
182 | unsigned int ivsize; | |
183 | }; | |
184 | ||
1ae97820 HX |
185 | struct aead_alg { |
186 | int (*setkey)(struct crypto_aead *tfm, const u8 *key, | |
187 | unsigned int keylen); | |
188 | int (*encrypt)(struct aead_request *req); | |
189 | int (*decrypt)(struct aead_request *req); | |
190 | ||
191 | unsigned int ivsize; | |
192 | unsigned int authsize; | |
193 | }; | |
194 | ||
5cde0af2 HX |
195 | struct blkcipher_alg { |
196 | int (*setkey)(struct crypto_tfm *tfm, const u8 *key, | |
197 | unsigned int keylen); | |
198 | int (*encrypt)(struct blkcipher_desc *desc, | |
199 | struct scatterlist *dst, struct scatterlist *src, | |
200 | unsigned int nbytes); | |
201 | int (*decrypt)(struct blkcipher_desc *desc, | |
202 | struct scatterlist *dst, struct scatterlist *src, | |
203 | unsigned int nbytes); | |
204 | ||
205 | unsigned int min_keysize; | |
206 | unsigned int max_keysize; | |
207 | unsigned int ivsize; | |
208 | }; | |
209 | ||
1da177e4 LT |
210 | struct cipher_alg { |
211 | unsigned int cia_min_keysize; | |
212 | unsigned int cia_max_keysize; | |
6c2bb98b | 213 | int (*cia_setkey)(struct crypto_tfm *tfm, const u8 *key, |
560c06ae | 214 | unsigned int keylen); |
6c2bb98b HX |
215 | void (*cia_encrypt)(struct crypto_tfm *tfm, u8 *dst, const u8 *src); |
216 | void (*cia_decrypt)(struct crypto_tfm *tfm, u8 *dst, const u8 *src); | |
1da177e4 LT |
217 | }; |
218 | ||
219 | struct digest_alg { | |
220 | unsigned int dia_digestsize; | |
6c2bb98b HX |
221 | void (*dia_init)(struct crypto_tfm *tfm); |
222 | void (*dia_update)(struct crypto_tfm *tfm, const u8 *data, | |
223 | unsigned int len); | |
224 | void (*dia_final)(struct crypto_tfm *tfm, u8 *out); | |
225 | int (*dia_setkey)(struct crypto_tfm *tfm, const u8 *key, | |
560c06ae | 226 | unsigned int keylen); |
1da177e4 LT |
227 | }; |
228 | ||
055bcee3 HX |
229 | struct hash_alg { |
230 | int (*init)(struct hash_desc *desc); | |
231 | int (*update)(struct hash_desc *desc, struct scatterlist *sg, | |
232 | unsigned int nbytes); | |
233 | int (*final)(struct hash_desc *desc, u8 *out); | |
234 | int (*digest)(struct hash_desc *desc, struct scatterlist *sg, | |
235 | unsigned int nbytes, u8 *out); | |
236 | int (*setkey)(struct crypto_hash *tfm, const u8 *key, | |
237 | unsigned int keylen); | |
238 | ||
239 | unsigned int digestsize; | |
240 | }; | |
241 | ||
1da177e4 | 242 | struct compress_alg { |
6c2bb98b HX |
243 | int (*coa_compress)(struct crypto_tfm *tfm, const u8 *src, |
244 | unsigned int slen, u8 *dst, unsigned int *dlen); | |
245 | int (*coa_decompress)(struct crypto_tfm *tfm, const u8 *src, | |
246 | unsigned int slen, u8 *dst, unsigned int *dlen); | |
1da177e4 LT |
247 | }; |
248 | ||
b5b7f088 | 249 | #define cra_ablkcipher cra_u.ablkcipher |
1ae97820 | 250 | #define cra_aead cra_u.aead |
5cde0af2 | 251 | #define cra_blkcipher cra_u.blkcipher |
1da177e4 LT |
252 | #define cra_cipher cra_u.cipher |
253 | #define cra_digest cra_u.digest | |
055bcee3 | 254 | #define cra_hash cra_u.hash |
1da177e4 LT |
255 | #define cra_compress cra_u.compress |
256 | ||
257 | struct crypto_alg { | |
258 | struct list_head cra_list; | |
6bfd4809 HX |
259 | struct list_head cra_users; |
260 | ||
1da177e4 LT |
261 | u32 cra_flags; |
262 | unsigned int cra_blocksize; | |
263 | unsigned int cra_ctxsize; | |
95477377 | 264 | unsigned int cra_alignmask; |
5cb1454b HX |
265 | |
266 | int cra_priority; | |
6521f302 | 267 | atomic_t cra_refcnt; |
5cb1454b | 268 | |
d913ea0d HX |
269 | char cra_name[CRYPTO_MAX_ALG_NAME]; |
270 | char cra_driver_name[CRYPTO_MAX_ALG_NAME]; | |
1da177e4 | 271 | |
e853c3cf HX |
272 | const struct crypto_type *cra_type; |
273 | ||
1da177e4 | 274 | union { |
b5b7f088 | 275 | struct ablkcipher_alg ablkcipher; |
1ae97820 | 276 | struct aead_alg aead; |
5cde0af2 | 277 | struct blkcipher_alg blkcipher; |
1da177e4 LT |
278 | struct cipher_alg cipher; |
279 | struct digest_alg digest; | |
055bcee3 | 280 | struct hash_alg hash; |
1da177e4 LT |
281 | struct compress_alg compress; |
282 | } cra_u; | |
c7fc0599 HX |
283 | |
284 | int (*cra_init)(struct crypto_tfm *tfm); | |
285 | void (*cra_exit)(struct crypto_tfm *tfm); | |
6521f302 | 286 | void (*cra_destroy)(struct crypto_alg *alg); |
1da177e4 LT |
287 | |
288 | struct module *cra_module; | |
289 | }; | |
290 | ||
291 | /* | |
292 | * Algorithm registration interface. | |
293 | */ | |
294 | int crypto_register_alg(struct crypto_alg *alg); | |
295 | int crypto_unregister_alg(struct crypto_alg *alg); | |
296 | ||
297 | /* | |
298 | * Algorithm query interface. | |
299 | */ | |
300 | #ifdef CONFIG_CRYPTO | |
fce32d70 | 301 | int crypto_has_alg(const char *name, u32 type, u32 mask); |
1da177e4 | 302 | #else |
fce32d70 HX |
303 | static inline int crypto_has_alg(const char *name, u32 type, u32 mask) |
304 | { | |
305 | return 0; | |
306 | } | |
1da177e4 LT |
307 | #endif |
308 | ||
309 | /* | |
310 | * Transforms: user-instantiated objects which encapsulate algorithms | |
6d7d684d HX |
311 | * and core processing logic. Managed via crypto_alloc_*() and |
312 | * crypto_free_*(), as well as the various helpers below. | |
1da177e4 | 313 | */ |
1da177e4 | 314 | |
32e3983f HX |
315 | struct ablkcipher_tfm { |
316 | int (*setkey)(struct crypto_ablkcipher *tfm, const u8 *key, | |
317 | unsigned int keylen); | |
318 | int (*encrypt)(struct ablkcipher_request *req); | |
319 | int (*decrypt)(struct ablkcipher_request *req); | |
320 | unsigned int ivsize; | |
321 | unsigned int reqsize; | |
322 | }; | |
323 | ||
1ae97820 HX |
324 | struct aead_tfm { |
325 | int (*setkey)(struct crypto_aead *tfm, const u8 *key, | |
326 | unsigned int keylen); | |
327 | int (*encrypt)(struct aead_request *req); | |
328 | int (*decrypt)(struct aead_request *req); | |
329 | unsigned int ivsize; | |
330 | unsigned int authsize; | |
331 | unsigned int reqsize; | |
332 | }; | |
333 | ||
5cde0af2 HX |
334 | struct blkcipher_tfm { |
335 | void *iv; | |
336 | int (*setkey)(struct crypto_tfm *tfm, const u8 *key, | |
337 | unsigned int keylen); | |
338 | int (*encrypt)(struct blkcipher_desc *desc, struct scatterlist *dst, | |
339 | struct scatterlist *src, unsigned int nbytes); | |
340 | int (*decrypt)(struct blkcipher_desc *desc, struct scatterlist *dst, | |
341 | struct scatterlist *src, unsigned int nbytes); | |
342 | }; | |
343 | ||
1da177e4 | 344 | struct cipher_tfm { |
1da177e4 LT |
345 | int (*cit_setkey)(struct crypto_tfm *tfm, |
346 | const u8 *key, unsigned int keylen); | |
f28776a3 HX |
347 | void (*cit_encrypt_one)(struct crypto_tfm *tfm, u8 *dst, const u8 *src); |
348 | void (*cit_decrypt_one)(struct crypto_tfm *tfm, u8 *dst, const u8 *src); | |
1da177e4 LT |
349 | }; |
350 | ||
055bcee3 HX |
351 | struct hash_tfm { |
352 | int (*init)(struct hash_desc *desc); | |
353 | int (*update)(struct hash_desc *desc, | |
354 | struct scatterlist *sg, unsigned int nsg); | |
355 | int (*final)(struct hash_desc *desc, u8 *out); | |
356 | int (*digest)(struct hash_desc *desc, struct scatterlist *sg, | |
357 | unsigned int nsg, u8 *out); | |
358 | int (*setkey)(struct crypto_hash *tfm, const u8 *key, | |
359 | unsigned int keylen); | |
055bcee3 | 360 | unsigned int digestsize; |
1da177e4 LT |
361 | }; |
362 | ||
363 | struct compress_tfm { | |
364 | int (*cot_compress)(struct crypto_tfm *tfm, | |
365 | const u8 *src, unsigned int slen, | |
366 | u8 *dst, unsigned int *dlen); | |
367 | int (*cot_decompress)(struct crypto_tfm *tfm, | |
368 | const u8 *src, unsigned int slen, | |
369 | u8 *dst, unsigned int *dlen); | |
370 | }; | |
371 | ||
32e3983f | 372 | #define crt_ablkcipher crt_u.ablkcipher |
1ae97820 | 373 | #define crt_aead crt_u.aead |
5cde0af2 | 374 | #define crt_blkcipher crt_u.blkcipher |
1da177e4 | 375 | #define crt_cipher crt_u.cipher |
055bcee3 | 376 | #define crt_hash crt_u.hash |
1da177e4 LT |
377 | #define crt_compress crt_u.compress |
378 | ||
379 | struct crypto_tfm { | |
380 | ||
381 | u32 crt_flags; | |
382 | ||
383 | union { | |
32e3983f | 384 | struct ablkcipher_tfm ablkcipher; |
1ae97820 | 385 | struct aead_tfm aead; |
5cde0af2 | 386 | struct blkcipher_tfm blkcipher; |
1da177e4 | 387 | struct cipher_tfm cipher; |
055bcee3 | 388 | struct hash_tfm hash; |
1da177e4 LT |
389 | struct compress_tfm compress; |
390 | } crt_u; | |
391 | ||
392 | struct crypto_alg *__crt_alg; | |
f10b7897 | 393 | |
79911102 | 394 | void *__crt_ctx[] CRYPTO_MINALIGN_ATTR; |
1da177e4 LT |
395 | }; |
396 | ||
32e3983f HX |
397 | struct crypto_ablkcipher { |
398 | struct crypto_tfm base; | |
399 | }; | |
400 | ||
1ae97820 HX |
401 | struct crypto_aead { |
402 | struct crypto_tfm base; | |
403 | }; | |
404 | ||
5cde0af2 HX |
405 | struct crypto_blkcipher { |
406 | struct crypto_tfm base; | |
407 | }; | |
408 | ||
78a1fe4f HX |
409 | struct crypto_cipher { |
410 | struct crypto_tfm base; | |
411 | }; | |
412 | ||
413 | struct crypto_comp { | |
414 | struct crypto_tfm base; | |
415 | }; | |
416 | ||
055bcee3 HX |
417 | struct crypto_hash { |
418 | struct crypto_tfm base; | |
419 | }; | |
420 | ||
2b8c19db HX |
421 | enum { |
422 | CRYPTOA_UNSPEC, | |
423 | CRYPTOA_ALG, | |
ebc610e5 | 424 | CRYPTOA_TYPE, |
39e1ee01 | 425 | CRYPTOA_U32, |
ebc610e5 | 426 | __CRYPTOA_MAX, |
2b8c19db HX |
427 | }; |
428 | ||
ebc610e5 HX |
429 | #define CRYPTOA_MAX (__CRYPTOA_MAX - 1) |
430 | ||
39e1ee01 HX |
431 | /* Maximum number of (rtattr) parameters for each template. */ |
432 | #define CRYPTO_MAX_ATTRS 32 | |
433 | ||
2b8c19db HX |
434 | struct crypto_attr_alg { |
435 | char name[CRYPTO_MAX_ALG_NAME]; | |
436 | }; | |
437 | ||
ebc610e5 HX |
438 | struct crypto_attr_type { |
439 | u32 type; | |
440 | u32 mask; | |
441 | }; | |
442 | ||
39e1ee01 HX |
443 | struct crypto_attr_u32 { |
444 | u32 num; | |
445 | }; | |
446 | ||
1da177e4 LT |
447 | /* |
448 | * Transform user interface. | |
449 | */ | |
450 | ||
1da177e4 | 451 | struct crypto_tfm *crypto_alloc_tfm(const char *alg_name, u32 tfm_flags); |
6d7d684d | 452 | struct crypto_tfm *crypto_alloc_base(const char *alg_name, u32 type, u32 mask); |
1da177e4 LT |
453 | void crypto_free_tfm(struct crypto_tfm *tfm); |
454 | ||
455 | /* | |
456 | * Transform helpers which query the underlying algorithm. | |
457 | */ | |
458 | static inline const char *crypto_tfm_alg_name(struct crypto_tfm *tfm) | |
459 | { | |
460 | return tfm->__crt_alg->cra_name; | |
461 | } | |
462 | ||
b14cdd67 ML |
463 | static inline const char *crypto_tfm_alg_driver_name(struct crypto_tfm *tfm) |
464 | { | |
465 | return tfm->__crt_alg->cra_driver_name; | |
466 | } | |
467 | ||
468 | static inline int crypto_tfm_alg_priority(struct crypto_tfm *tfm) | |
469 | { | |
470 | return tfm->__crt_alg->cra_priority; | |
471 | } | |
472 | ||
1da177e4 LT |
473 | static inline const char *crypto_tfm_alg_modname(struct crypto_tfm *tfm) |
474 | { | |
475 | return module_name(tfm->__crt_alg->cra_module); | |
476 | } | |
477 | ||
478 | static inline u32 crypto_tfm_alg_type(struct crypto_tfm *tfm) | |
479 | { | |
480 | return tfm->__crt_alg->cra_flags & CRYPTO_ALG_TYPE_MASK; | |
481 | } | |
482 | ||
1da177e4 LT |
483 | static inline unsigned int crypto_tfm_alg_blocksize(struct crypto_tfm *tfm) |
484 | { | |
485 | return tfm->__crt_alg->cra_blocksize; | |
486 | } | |
487 | ||
fbdae9f3 HX |
488 | static inline unsigned int crypto_tfm_alg_alignmask(struct crypto_tfm *tfm) |
489 | { | |
490 | return tfm->__crt_alg->cra_alignmask; | |
491 | } | |
492 | ||
f28776a3 HX |
493 | static inline u32 crypto_tfm_get_flags(struct crypto_tfm *tfm) |
494 | { | |
495 | return tfm->crt_flags; | |
496 | } | |
497 | ||
498 | static inline void crypto_tfm_set_flags(struct crypto_tfm *tfm, u32 flags) | |
499 | { | |
500 | tfm->crt_flags |= flags; | |
501 | } | |
502 | ||
503 | static inline void crypto_tfm_clear_flags(struct crypto_tfm *tfm, u32 flags) | |
504 | { | |
505 | tfm->crt_flags &= ~flags; | |
506 | } | |
507 | ||
40725181 HX |
508 | static inline void *crypto_tfm_ctx(struct crypto_tfm *tfm) |
509 | { | |
f10b7897 HX |
510 | return tfm->__crt_ctx; |
511 | } | |
512 | ||
513 | static inline unsigned int crypto_tfm_ctx_alignment(void) | |
514 | { | |
515 | struct crypto_tfm *tfm; | |
516 | return __alignof__(tfm->__crt_ctx); | |
40725181 HX |
517 | } |
518 | ||
1da177e4 LT |
519 | /* |
520 | * API wrappers. | |
521 | */ | |
32e3983f HX |
522 | static inline struct crypto_ablkcipher *__crypto_ablkcipher_cast( |
523 | struct crypto_tfm *tfm) | |
524 | { | |
525 | return (struct crypto_ablkcipher *)tfm; | |
526 | } | |
527 | ||
528 | static inline struct crypto_ablkcipher *crypto_alloc_ablkcipher( | |
529 | const char *alg_name, u32 type, u32 mask) | |
530 | { | |
531 | type &= ~CRYPTO_ALG_TYPE_MASK; | |
532 | type |= CRYPTO_ALG_TYPE_BLKCIPHER; | |
533 | mask |= CRYPTO_ALG_TYPE_MASK; | |
534 | ||
535 | return __crypto_ablkcipher_cast( | |
536 | crypto_alloc_base(alg_name, type, mask)); | |
537 | } | |
538 | ||
539 | static inline struct crypto_tfm *crypto_ablkcipher_tfm( | |
540 | struct crypto_ablkcipher *tfm) | |
541 | { | |
542 | return &tfm->base; | |
543 | } | |
544 | ||
545 | static inline void crypto_free_ablkcipher(struct crypto_ablkcipher *tfm) | |
546 | { | |
547 | crypto_free_tfm(crypto_ablkcipher_tfm(tfm)); | |
548 | } | |
549 | ||
550 | static inline int crypto_has_ablkcipher(const char *alg_name, u32 type, | |
551 | u32 mask) | |
552 | { | |
553 | type &= ~CRYPTO_ALG_TYPE_MASK; | |
554 | type |= CRYPTO_ALG_TYPE_BLKCIPHER; | |
555 | mask |= CRYPTO_ALG_TYPE_MASK; | |
556 | ||
557 | return crypto_has_alg(alg_name, type, mask); | |
558 | } | |
559 | ||
560 | static inline struct ablkcipher_tfm *crypto_ablkcipher_crt( | |
561 | struct crypto_ablkcipher *tfm) | |
562 | { | |
563 | return &crypto_ablkcipher_tfm(tfm)->crt_ablkcipher; | |
564 | } | |
565 | ||
566 | static inline unsigned int crypto_ablkcipher_ivsize( | |
567 | struct crypto_ablkcipher *tfm) | |
568 | { | |
569 | return crypto_ablkcipher_crt(tfm)->ivsize; | |
570 | } | |
571 | ||
572 | static inline unsigned int crypto_ablkcipher_blocksize( | |
573 | struct crypto_ablkcipher *tfm) | |
574 | { | |
575 | return crypto_tfm_alg_blocksize(crypto_ablkcipher_tfm(tfm)); | |
576 | } | |
577 | ||
578 | static inline unsigned int crypto_ablkcipher_alignmask( | |
579 | struct crypto_ablkcipher *tfm) | |
580 | { | |
581 | return crypto_tfm_alg_alignmask(crypto_ablkcipher_tfm(tfm)); | |
582 | } | |
583 | ||
584 | static inline u32 crypto_ablkcipher_get_flags(struct crypto_ablkcipher *tfm) | |
585 | { | |
586 | return crypto_tfm_get_flags(crypto_ablkcipher_tfm(tfm)); | |
587 | } | |
588 | ||
589 | static inline void crypto_ablkcipher_set_flags(struct crypto_ablkcipher *tfm, | |
590 | u32 flags) | |
591 | { | |
592 | crypto_tfm_set_flags(crypto_ablkcipher_tfm(tfm), flags); | |
593 | } | |
594 | ||
595 | static inline void crypto_ablkcipher_clear_flags(struct crypto_ablkcipher *tfm, | |
596 | u32 flags) | |
597 | { | |
598 | crypto_tfm_clear_flags(crypto_ablkcipher_tfm(tfm), flags); | |
599 | } | |
600 | ||
601 | static inline int crypto_ablkcipher_setkey(struct crypto_ablkcipher *tfm, | |
602 | const u8 *key, unsigned int keylen) | |
603 | { | |
604 | return crypto_ablkcipher_crt(tfm)->setkey(tfm, key, keylen); | |
605 | } | |
606 | ||
607 | static inline struct crypto_ablkcipher *crypto_ablkcipher_reqtfm( | |
608 | struct ablkcipher_request *req) | |
609 | { | |
610 | return __crypto_ablkcipher_cast(req->base.tfm); | |
611 | } | |
612 | ||
613 | static inline int crypto_ablkcipher_encrypt(struct ablkcipher_request *req) | |
614 | { | |
615 | struct ablkcipher_tfm *crt = | |
616 | crypto_ablkcipher_crt(crypto_ablkcipher_reqtfm(req)); | |
617 | return crt->encrypt(req); | |
618 | } | |
619 | ||
620 | static inline int crypto_ablkcipher_decrypt(struct ablkcipher_request *req) | |
621 | { | |
622 | struct ablkcipher_tfm *crt = | |
623 | crypto_ablkcipher_crt(crypto_ablkcipher_reqtfm(req)); | |
624 | return crt->decrypt(req); | |
625 | } | |
626 | ||
b16c3a2e HX |
627 | static inline unsigned int crypto_ablkcipher_reqsize( |
628 | struct crypto_ablkcipher *tfm) | |
32e3983f HX |
629 | { |
630 | return crypto_ablkcipher_crt(tfm)->reqsize; | |
631 | } | |
632 | ||
e196d625 HX |
633 | static inline void ablkcipher_request_set_tfm( |
634 | struct ablkcipher_request *req, struct crypto_ablkcipher *tfm) | |
635 | { | |
636 | req->base.tfm = crypto_ablkcipher_tfm(tfm); | |
637 | } | |
638 | ||
b5b7f088 HX |
639 | static inline struct ablkcipher_request *ablkcipher_request_cast( |
640 | struct crypto_async_request *req) | |
641 | { | |
642 | return container_of(req, struct ablkcipher_request, base); | |
643 | } | |
644 | ||
32e3983f HX |
645 | static inline struct ablkcipher_request *ablkcipher_request_alloc( |
646 | struct crypto_ablkcipher *tfm, gfp_t gfp) | |
647 | { | |
648 | struct ablkcipher_request *req; | |
649 | ||
650 | req = kmalloc(sizeof(struct ablkcipher_request) + | |
651 | crypto_ablkcipher_reqsize(tfm), gfp); | |
652 | ||
653 | if (likely(req)) | |
e196d625 | 654 | ablkcipher_request_set_tfm(req, tfm); |
32e3983f HX |
655 | |
656 | return req; | |
657 | } | |
658 | ||
659 | static inline void ablkcipher_request_free(struct ablkcipher_request *req) | |
660 | { | |
661 | kfree(req); | |
662 | } | |
663 | ||
664 | static inline void ablkcipher_request_set_callback( | |
665 | struct ablkcipher_request *req, | |
666 | u32 flags, crypto_completion_t complete, void *data) | |
667 | { | |
668 | req->base.complete = complete; | |
669 | req->base.data = data; | |
670 | req->base.flags = flags; | |
671 | } | |
672 | ||
673 | static inline void ablkcipher_request_set_crypt( | |
674 | struct ablkcipher_request *req, | |
675 | struct scatterlist *src, struct scatterlist *dst, | |
676 | unsigned int nbytes, void *iv) | |
677 | { | |
678 | req->src = src; | |
679 | req->dst = dst; | |
680 | req->nbytes = nbytes; | |
681 | req->info = iv; | |
682 | } | |
683 | ||
1ae97820 HX |
684 | static inline struct crypto_aead *__crypto_aead_cast(struct crypto_tfm *tfm) |
685 | { | |
686 | return (struct crypto_aead *)tfm; | |
687 | } | |
688 | ||
689 | static inline struct crypto_aead *crypto_alloc_aead(const char *alg_name, | |
690 | u32 type, u32 mask) | |
691 | { | |
692 | type &= ~CRYPTO_ALG_TYPE_MASK; | |
693 | type |= CRYPTO_ALG_TYPE_AEAD; | |
694 | mask |= CRYPTO_ALG_TYPE_MASK; | |
695 | ||
696 | return __crypto_aead_cast(crypto_alloc_base(alg_name, type, mask)); | |
697 | } | |
698 | ||
699 | static inline struct crypto_tfm *crypto_aead_tfm(struct crypto_aead *tfm) | |
700 | { | |
701 | return &tfm->base; | |
702 | } | |
703 | ||
704 | static inline void crypto_free_aead(struct crypto_aead *tfm) | |
705 | { | |
706 | crypto_free_tfm(crypto_aead_tfm(tfm)); | |
707 | } | |
708 | ||
709 | static inline struct aead_tfm *crypto_aead_crt(struct crypto_aead *tfm) | |
710 | { | |
711 | return &crypto_aead_tfm(tfm)->crt_aead; | |
712 | } | |
713 | ||
714 | static inline unsigned int crypto_aead_ivsize(struct crypto_aead *tfm) | |
715 | { | |
716 | return crypto_aead_crt(tfm)->ivsize; | |
717 | } | |
718 | ||
719 | static inline unsigned int crypto_aead_authsize(struct crypto_aead *tfm) | |
720 | { | |
721 | return crypto_aead_crt(tfm)->authsize; | |
722 | } | |
723 | ||
724 | static inline unsigned int crypto_aead_blocksize(struct crypto_aead *tfm) | |
725 | { | |
726 | return crypto_tfm_alg_blocksize(crypto_aead_tfm(tfm)); | |
727 | } | |
728 | ||
729 | static inline unsigned int crypto_aead_alignmask(struct crypto_aead *tfm) | |
730 | { | |
731 | return crypto_tfm_alg_alignmask(crypto_aead_tfm(tfm)); | |
732 | } | |
733 | ||
734 | static inline u32 crypto_aead_get_flags(struct crypto_aead *tfm) | |
735 | { | |
736 | return crypto_tfm_get_flags(crypto_aead_tfm(tfm)); | |
737 | } | |
738 | ||
739 | static inline void crypto_aead_set_flags(struct crypto_aead *tfm, u32 flags) | |
740 | { | |
741 | crypto_tfm_set_flags(crypto_aead_tfm(tfm), flags); | |
742 | } | |
743 | ||
744 | static inline void crypto_aead_clear_flags(struct crypto_aead *tfm, u32 flags) | |
745 | { | |
746 | crypto_tfm_clear_flags(crypto_aead_tfm(tfm), flags); | |
747 | } | |
748 | ||
749 | static inline int crypto_aead_setkey(struct crypto_aead *tfm, const u8 *key, | |
750 | unsigned int keylen) | |
751 | { | |
752 | return crypto_aead_crt(tfm)->setkey(tfm, key, keylen); | |
753 | } | |
754 | ||
755 | static inline struct crypto_aead *crypto_aead_reqtfm(struct aead_request *req) | |
756 | { | |
757 | return __crypto_aead_cast(req->base.tfm); | |
758 | } | |
759 | ||
760 | static inline int crypto_aead_encrypt(struct aead_request *req) | |
761 | { | |
762 | return crypto_aead_crt(crypto_aead_reqtfm(req))->encrypt(req); | |
763 | } | |
764 | ||
765 | static inline int crypto_aead_decrypt(struct aead_request *req) | |
766 | { | |
767 | return crypto_aead_crt(crypto_aead_reqtfm(req))->decrypt(req); | |
768 | } | |
769 | ||
b16c3a2e | 770 | static inline unsigned int crypto_aead_reqsize(struct crypto_aead *tfm) |
1ae97820 HX |
771 | { |
772 | return crypto_aead_crt(tfm)->reqsize; | |
773 | } | |
774 | ||
775 | static inline void aead_request_set_tfm(struct aead_request *req, | |
776 | struct crypto_aead *tfm) | |
777 | { | |
778 | req->base.tfm = crypto_aead_tfm(tfm); | |
779 | } | |
780 | ||
781 | static inline struct aead_request *aead_request_alloc(struct crypto_aead *tfm, | |
782 | gfp_t gfp) | |
783 | { | |
784 | struct aead_request *req; | |
785 | ||
786 | req = kmalloc(sizeof(*req) + crypto_aead_reqsize(tfm), gfp); | |
787 | ||
788 | if (likely(req)) | |
789 | aead_request_set_tfm(req, tfm); | |
790 | ||
791 | return req; | |
792 | } | |
793 | ||
794 | static inline void aead_request_free(struct aead_request *req) | |
795 | { | |
796 | kfree(req); | |
797 | } | |
798 | ||
799 | static inline void aead_request_set_callback(struct aead_request *req, | |
800 | u32 flags, | |
801 | crypto_completion_t complete, | |
802 | void *data) | |
803 | { | |
804 | req->base.complete = complete; | |
805 | req->base.data = data; | |
806 | req->base.flags = flags; | |
807 | } | |
808 | ||
809 | static inline void aead_request_set_crypt(struct aead_request *req, | |
810 | struct scatterlist *src, | |
811 | struct scatterlist *dst, | |
812 | unsigned int cryptlen, u8 *iv) | |
813 | { | |
814 | req->src = src; | |
815 | req->dst = dst; | |
816 | req->cryptlen = cryptlen; | |
817 | req->iv = iv; | |
818 | } | |
819 | ||
820 | static inline void aead_request_set_assoc(struct aead_request *req, | |
821 | struct scatterlist *assoc, | |
822 | unsigned int assoclen) | |
823 | { | |
824 | req->assoc = assoc; | |
825 | req->assoclen = assoclen; | |
826 | } | |
827 | ||
5cde0af2 HX |
828 | static inline struct crypto_blkcipher *__crypto_blkcipher_cast( |
829 | struct crypto_tfm *tfm) | |
830 | { | |
831 | return (struct crypto_blkcipher *)tfm; | |
832 | } | |
833 | ||
834 | static inline struct crypto_blkcipher *crypto_blkcipher_cast( | |
835 | struct crypto_tfm *tfm) | |
836 | { | |
837 | BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_BLKCIPHER); | |
838 | return __crypto_blkcipher_cast(tfm); | |
839 | } | |
840 | ||
841 | static inline struct crypto_blkcipher *crypto_alloc_blkcipher( | |
842 | const char *alg_name, u32 type, u32 mask) | |
843 | { | |
32e3983f | 844 | type &= ~(CRYPTO_ALG_TYPE_MASK | CRYPTO_ALG_ASYNC); |
5cde0af2 | 845 | type |= CRYPTO_ALG_TYPE_BLKCIPHER; |
32e3983f | 846 | mask |= CRYPTO_ALG_TYPE_MASK | CRYPTO_ALG_ASYNC; |
5cde0af2 HX |
847 | |
848 | return __crypto_blkcipher_cast(crypto_alloc_base(alg_name, type, mask)); | |
849 | } | |
850 | ||
851 | static inline struct crypto_tfm *crypto_blkcipher_tfm( | |
852 | struct crypto_blkcipher *tfm) | |
853 | { | |
854 | return &tfm->base; | |
855 | } | |
856 | ||
857 | static inline void crypto_free_blkcipher(struct crypto_blkcipher *tfm) | |
858 | { | |
859 | crypto_free_tfm(crypto_blkcipher_tfm(tfm)); | |
860 | } | |
861 | ||
fce32d70 HX |
862 | static inline int crypto_has_blkcipher(const char *alg_name, u32 type, u32 mask) |
863 | { | |
32e3983f | 864 | type &= ~(CRYPTO_ALG_TYPE_MASK | CRYPTO_ALG_ASYNC); |
fce32d70 | 865 | type |= CRYPTO_ALG_TYPE_BLKCIPHER; |
32e3983f | 866 | mask |= CRYPTO_ALG_TYPE_MASK | CRYPTO_ALG_ASYNC; |
fce32d70 HX |
867 | |
868 | return crypto_has_alg(alg_name, type, mask); | |
869 | } | |
870 | ||
5cde0af2 HX |
871 | static inline const char *crypto_blkcipher_name(struct crypto_blkcipher *tfm) |
872 | { | |
873 | return crypto_tfm_alg_name(crypto_blkcipher_tfm(tfm)); | |
874 | } | |
875 | ||
876 | static inline struct blkcipher_tfm *crypto_blkcipher_crt( | |
877 | struct crypto_blkcipher *tfm) | |
878 | { | |
879 | return &crypto_blkcipher_tfm(tfm)->crt_blkcipher; | |
880 | } | |
881 | ||
882 | static inline struct blkcipher_alg *crypto_blkcipher_alg( | |
883 | struct crypto_blkcipher *tfm) | |
884 | { | |
885 | return &crypto_blkcipher_tfm(tfm)->__crt_alg->cra_blkcipher; | |
886 | } | |
887 | ||
888 | static inline unsigned int crypto_blkcipher_ivsize(struct crypto_blkcipher *tfm) | |
889 | { | |
890 | return crypto_blkcipher_alg(tfm)->ivsize; | |
891 | } | |
892 | ||
893 | static inline unsigned int crypto_blkcipher_blocksize( | |
894 | struct crypto_blkcipher *tfm) | |
895 | { | |
896 | return crypto_tfm_alg_blocksize(crypto_blkcipher_tfm(tfm)); | |
897 | } | |
898 | ||
899 | static inline unsigned int crypto_blkcipher_alignmask( | |
900 | struct crypto_blkcipher *tfm) | |
901 | { | |
902 | return crypto_tfm_alg_alignmask(crypto_blkcipher_tfm(tfm)); | |
903 | } | |
904 | ||
905 | static inline u32 crypto_blkcipher_get_flags(struct crypto_blkcipher *tfm) | |
906 | { | |
907 | return crypto_tfm_get_flags(crypto_blkcipher_tfm(tfm)); | |
908 | } | |
909 | ||
910 | static inline void crypto_blkcipher_set_flags(struct crypto_blkcipher *tfm, | |
911 | u32 flags) | |
912 | { | |
913 | crypto_tfm_set_flags(crypto_blkcipher_tfm(tfm), flags); | |
914 | } | |
915 | ||
916 | static inline void crypto_blkcipher_clear_flags(struct crypto_blkcipher *tfm, | |
917 | u32 flags) | |
918 | { | |
919 | crypto_tfm_clear_flags(crypto_blkcipher_tfm(tfm), flags); | |
920 | } | |
921 | ||
922 | static inline int crypto_blkcipher_setkey(struct crypto_blkcipher *tfm, | |
923 | const u8 *key, unsigned int keylen) | |
924 | { | |
925 | return crypto_blkcipher_crt(tfm)->setkey(crypto_blkcipher_tfm(tfm), | |
926 | key, keylen); | |
927 | } | |
928 | ||
929 | static inline int crypto_blkcipher_encrypt(struct blkcipher_desc *desc, | |
930 | struct scatterlist *dst, | |
931 | struct scatterlist *src, | |
932 | unsigned int nbytes) | |
933 | { | |
934 | desc->info = crypto_blkcipher_crt(desc->tfm)->iv; | |
935 | return crypto_blkcipher_crt(desc->tfm)->encrypt(desc, dst, src, nbytes); | |
936 | } | |
937 | ||
938 | static inline int crypto_blkcipher_encrypt_iv(struct blkcipher_desc *desc, | |
939 | struct scatterlist *dst, | |
940 | struct scatterlist *src, | |
941 | unsigned int nbytes) | |
942 | { | |
943 | return crypto_blkcipher_crt(desc->tfm)->encrypt(desc, dst, src, nbytes); | |
944 | } | |
945 | ||
946 | static inline int crypto_blkcipher_decrypt(struct blkcipher_desc *desc, | |
947 | struct scatterlist *dst, | |
948 | struct scatterlist *src, | |
949 | unsigned int nbytes) | |
950 | { | |
951 | desc->info = crypto_blkcipher_crt(desc->tfm)->iv; | |
952 | return crypto_blkcipher_crt(desc->tfm)->decrypt(desc, dst, src, nbytes); | |
953 | } | |
954 | ||
955 | static inline int crypto_blkcipher_decrypt_iv(struct blkcipher_desc *desc, | |
956 | struct scatterlist *dst, | |
957 | struct scatterlist *src, | |
958 | unsigned int nbytes) | |
959 | { | |
960 | return crypto_blkcipher_crt(desc->tfm)->decrypt(desc, dst, src, nbytes); | |
961 | } | |
962 | ||
963 | static inline void crypto_blkcipher_set_iv(struct crypto_blkcipher *tfm, | |
964 | const u8 *src, unsigned int len) | |
965 | { | |
966 | memcpy(crypto_blkcipher_crt(tfm)->iv, src, len); | |
967 | } | |
968 | ||
969 | static inline void crypto_blkcipher_get_iv(struct crypto_blkcipher *tfm, | |
970 | u8 *dst, unsigned int len) | |
971 | { | |
972 | memcpy(dst, crypto_blkcipher_crt(tfm)->iv, len); | |
973 | } | |
974 | ||
f28776a3 HX |
975 | static inline struct crypto_cipher *__crypto_cipher_cast(struct crypto_tfm *tfm) |
976 | { | |
977 | return (struct crypto_cipher *)tfm; | |
978 | } | |
979 | ||
980 | static inline struct crypto_cipher *crypto_cipher_cast(struct crypto_tfm *tfm) | |
981 | { | |
982 | BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_CIPHER); | |
983 | return __crypto_cipher_cast(tfm); | |
984 | } | |
985 | ||
986 | static inline struct crypto_cipher *crypto_alloc_cipher(const char *alg_name, | |
987 | u32 type, u32 mask) | |
988 | { | |
989 | type &= ~CRYPTO_ALG_TYPE_MASK; | |
990 | type |= CRYPTO_ALG_TYPE_CIPHER; | |
991 | mask |= CRYPTO_ALG_TYPE_MASK; | |
992 | ||
993 | return __crypto_cipher_cast(crypto_alloc_base(alg_name, type, mask)); | |
994 | } | |
995 | ||
996 | static inline struct crypto_tfm *crypto_cipher_tfm(struct crypto_cipher *tfm) | |
997 | { | |
78a1fe4f | 998 | return &tfm->base; |
f28776a3 HX |
999 | } |
1000 | ||
1001 | static inline void crypto_free_cipher(struct crypto_cipher *tfm) | |
1002 | { | |
1003 | crypto_free_tfm(crypto_cipher_tfm(tfm)); | |
1004 | } | |
1005 | ||
fce32d70 HX |
1006 | static inline int crypto_has_cipher(const char *alg_name, u32 type, u32 mask) |
1007 | { | |
1008 | type &= ~CRYPTO_ALG_TYPE_MASK; | |
1009 | type |= CRYPTO_ALG_TYPE_CIPHER; | |
1010 | mask |= CRYPTO_ALG_TYPE_MASK; | |
1011 | ||
1012 | return crypto_has_alg(alg_name, type, mask); | |
1013 | } | |
1014 | ||
f28776a3 HX |
1015 | static inline struct cipher_tfm *crypto_cipher_crt(struct crypto_cipher *tfm) |
1016 | { | |
1017 | return &crypto_cipher_tfm(tfm)->crt_cipher; | |
1018 | } | |
1019 | ||
1020 | static inline unsigned int crypto_cipher_blocksize(struct crypto_cipher *tfm) | |
1021 | { | |
1022 | return crypto_tfm_alg_blocksize(crypto_cipher_tfm(tfm)); | |
1023 | } | |
1024 | ||
1025 | static inline unsigned int crypto_cipher_alignmask(struct crypto_cipher *tfm) | |
1026 | { | |
1027 | return crypto_tfm_alg_alignmask(crypto_cipher_tfm(tfm)); | |
1028 | } | |
1029 | ||
1030 | static inline u32 crypto_cipher_get_flags(struct crypto_cipher *tfm) | |
1031 | { | |
1032 | return crypto_tfm_get_flags(crypto_cipher_tfm(tfm)); | |
1033 | } | |
1034 | ||
1035 | static inline void crypto_cipher_set_flags(struct crypto_cipher *tfm, | |
1036 | u32 flags) | |
1037 | { | |
1038 | crypto_tfm_set_flags(crypto_cipher_tfm(tfm), flags); | |
1039 | } | |
1040 | ||
1041 | static inline void crypto_cipher_clear_flags(struct crypto_cipher *tfm, | |
1042 | u32 flags) | |
1043 | { | |
1044 | crypto_tfm_clear_flags(crypto_cipher_tfm(tfm), flags); | |
1045 | } | |
1046 | ||
7226bc87 HX |
1047 | static inline int crypto_cipher_setkey(struct crypto_cipher *tfm, |
1048 | const u8 *key, unsigned int keylen) | |
1049 | { | |
1050 | return crypto_cipher_crt(tfm)->cit_setkey(crypto_cipher_tfm(tfm), | |
1051 | key, keylen); | |
1052 | } | |
1053 | ||
f28776a3 HX |
1054 | static inline void crypto_cipher_encrypt_one(struct crypto_cipher *tfm, |
1055 | u8 *dst, const u8 *src) | |
1056 | { | |
1057 | crypto_cipher_crt(tfm)->cit_encrypt_one(crypto_cipher_tfm(tfm), | |
1058 | dst, src); | |
1059 | } | |
1060 | ||
1061 | static inline void crypto_cipher_decrypt_one(struct crypto_cipher *tfm, | |
1062 | u8 *dst, const u8 *src) | |
1063 | { | |
1064 | crypto_cipher_crt(tfm)->cit_decrypt_one(crypto_cipher_tfm(tfm), | |
1065 | dst, src); | |
1066 | } | |
1067 | ||
055bcee3 | 1068 | static inline struct crypto_hash *__crypto_hash_cast(struct crypto_tfm *tfm) |
1da177e4 | 1069 | { |
055bcee3 | 1070 | return (struct crypto_hash *)tfm; |
1da177e4 LT |
1071 | } |
1072 | ||
055bcee3 | 1073 | static inline struct crypto_hash *crypto_hash_cast(struct crypto_tfm *tfm) |
1da177e4 | 1074 | { |
055bcee3 HX |
1075 | BUG_ON((crypto_tfm_alg_type(tfm) ^ CRYPTO_ALG_TYPE_HASH) & |
1076 | CRYPTO_ALG_TYPE_HASH_MASK); | |
1077 | return __crypto_hash_cast(tfm); | |
1da177e4 LT |
1078 | } |
1079 | ||
055bcee3 HX |
1080 | static inline struct crypto_hash *crypto_alloc_hash(const char *alg_name, |
1081 | u32 type, u32 mask) | |
1da177e4 | 1082 | { |
055bcee3 HX |
1083 | type &= ~CRYPTO_ALG_TYPE_MASK; |
1084 | type |= CRYPTO_ALG_TYPE_HASH; | |
1085 | mask |= CRYPTO_ALG_TYPE_HASH_MASK; | |
1086 | ||
1087 | return __crypto_hash_cast(crypto_alloc_base(alg_name, type, mask)); | |
1da177e4 LT |
1088 | } |
1089 | ||
055bcee3 | 1090 | static inline struct crypto_tfm *crypto_hash_tfm(struct crypto_hash *tfm) |
1da177e4 | 1091 | { |
055bcee3 HX |
1092 | return &tfm->base; |
1093 | } | |
1094 | ||
1095 | static inline void crypto_free_hash(struct crypto_hash *tfm) | |
1096 | { | |
1097 | crypto_free_tfm(crypto_hash_tfm(tfm)); | |
1098 | } | |
1099 | ||
fce32d70 HX |
1100 | static inline int crypto_has_hash(const char *alg_name, u32 type, u32 mask) |
1101 | { | |
1102 | type &= ~CRYPTO_ALG_TYPE_MASK; | |
1103 | type |= CRYPTO_ALG_TYPE_HASH; | |
1104 | mask |= CRYPTO_ALG_TYPE_HASH_MASK; | |
1105 | ||
1106 | return crypto_has_alg(alg_name, type, mask); | |
1107 | } | |
1108 | ||
055bcee3 HX |
1109 | static inline struct hash_tfm *crypto_hash_crt(struct crypto_hash *tfm) |
1110 | { | |
1111 | return &crypto_hash_tfm(tfm)->crt_hash; | |
1112 | } | |
1113 | ||
1114 | static inline unsigned int crypto_hash_blocksize(struct crypto_hash *tfm) | |
1115 | { | |
1116 | return crypto_tfm_alg_blocksize(crypto_hash_tfm(tfm)); | |
1117 | } | |
1118 | ||
1119 | static inline unsigned int crypto_hash_alignmask(struct crypto_hash *tfm) | |
1120 | { | |
1121 | return crypto_tfm_alg_alignmask(crypto_hash_tfm(tfm)); | |
1122 | } | |
1123 | ||
1124 | static inline unsigned int crypto_hash_digestsize(struct crypto_hash *tfm) | |
1125 | { | |
1126 | return crypto_hash_crt(tfm)->digestsize; | |
1127 | } | |
1128 | ||
1129 | static inline u32 crypto_hash_get_flags(struct crypto_hash *tfm) | |
1130 | { | |
1131 | return crypto_tfm_get_flags(crypto_hash_tfm(tfm)); | |
1132 | } | |
1133 | ||
1134 | static inline void crypto_hash_set_flags(struct crypto_hash *tfm, u32 flags) | |
1135 | { | |
1136 | crypto_tfm_set_flags(crypto_hash_tfm(tfm), flags); | |
1137 | } | |
1138 | ||
1139 | static inline void crypto_hash_clear_flags(struct crypto_hash *tfm, u32 flags) | |
1140 | { | |
1141 | crypto_tfm_clear_flags(crypto_hash_tfm(tfm), flags); | |
1142 | } | |
1143 | ||
1144 | static inline int crypto_hash_init(struct hash_desc *desc) | |
1145 | { | |
1146 | return crypto_hash_crt(desc->tfm)->init(desc); | |
1147 | } | |
1148 | ||
1149 | static inline int crypto_hash_update(struct hash_desc *desc, | |
1150 | struct scatterlist *sg, | |
1151 | unsigned int nbytes) | |
1152 | { | |
1153 | return crypto_hash_crt(desc->tfm)->update(desc, sg, nbytes); | |
1154 | } | |
1155 | ||
1156 | static inline int crypto_hash_final(struct hash_desc *desc, u8 *out) | |
1157 | { | |
1158 | return crypto_hash_crt(desc->tfm)->final(desc, out); | |
1159 | } | |
1160 | ||
1161 | static inline int crypto_hash_digest(struct hash_desc *desc, | |
1162 | struct scatterlist *sg, | |
1163 | unsigned int nbytes, u8 *out) | |
1164 | { | |
1165 | return crypto_hash_crt(desc->tfm)->digest(desc, sg, nbytes, out); | |
1166 | } | |
1167 | ||
1168 | static inline int crypto_hash_setkey(struct crypto_hash *hash, | |
1169 | const u8 *key, unsigned int keylen) | |
1170 | { | |
1171 | return crypto_hash_crt(hash)->setkey(hash, key, keylen); | |
1da177e4 LT |
1172 | } |
1173 | ||
fce32d70 HX |
1174 | static inline struct crypto_comp *__crypto_comp_cast(struct crypto_tfm *tfm) |
1175 | { | |
1176 | return (struct crypto_comp *)tfm; | |
1177 | } | |
1178 | ||
1179 | static inline struct crypto_comp *crypto_comp_cast(struct crypto_tfm *tfm) | |
1180 | { | |
1181 | BUG_ON((crypto_tfm_alg_type(tfm) ^ CRYPTO_ALG_TYPE_COMPRESS) & | |
1182 | CRYPTO_ALG_TYPE_MASK); | |
1183 | return __crypto_comp_cast(tfm); | |
1184 | } | |
1185 | ||
1186 | static inline struct crypto_comp *crypto_alloc_comp(const char *alg_name, | |
1187 | u32 type, u32 mask) | |
1188 | { | |
1189 | type &= ~CRYPTO_ALG_TYPE_MASK; | |
1190 | type |= CRYPTO_ALG_TYPE_COMPRESS; | |
1191 | mask |= CRYPTO_ALG_TYPE_MASK; | |
1192 | ||
1193 | return __crypto_comp_cast(crypto_alloc_base(alg_name, type, mask)); | |
1194 | } | |
1195 | ||
1196 | static inline struct crypto_tfm *crypto_comp_tfm(struct crypto_comp *tfm) | |
1197 | { | |
78a1fe4f | 1198 | return &tfm->base; |
fce32d70 HX |
1199 | } |
1200 | ||
1201 | static inline void crypto_free_comp(struct crypto_comp *tfm) | |
1202 | { | |
1203 | crypto_free_tfm(crypto_comp_tfm(tfm)); | |
1204 | } | |
1205 | ||
1206 | static inline int crypto_has_comp(const char *alg_name, u32 type, u32 mask) | |
1207 | { | |
1208 | type &= ~CRYPTO_ALG_TYPE_MASK; | |
1209 | type |= CRYPTO_ALG_TYPE_COMPRESS; | |
1210 | mask |= CRYPTO_ALG_TYPE_MASK; | |
1211 | ||
1212 | return crypto_has_alg(alg_name, type, mask); | |
1213 | } | |
1214 | ||
e4d5b79c HX |
1215 | static inline const char *crypto_comp_name(struct crypto_comp *tfm) |
1216 | { | |
1217 | return crypto_tfm_alg_name(crypto_comp_tfm(tfm)); | |
1218 | } | |
1219 | ||
fce32d70 HX |
1220 | static inline struct compress_tfm *crypto_comp_crt(struct crypto_comp *tfm) |
1221 | { | |
1222 | return &crypto_comp_tfm(tfm)->crt_compress; | |
1223 | } | |
1224 | ||
1225 | static inline int crypto_comp_compress(struct crypto_comp *tfm, | |
1da177e4 LT |
1226 | const u8 *src, unsigned int slen, |
1227 | u8 *dst, unsigned int *dlen) | |
1228 | { | |
78a1fe4f HX |
1229 | return crypto_comp_crt(tfm)->cot_compress(crypto_comp_tfm(tfm), |
1230 | src, slen, dst, dlen); | |
1da177e4 LT |
1231 | } |
1232 | ||
fce32d70 | 1233 | static inline int crypto_comp_decompress(struct crypto_comp *tfm, |
1da177e4 LT |
1234 | const u8 *src, unsigned int slen, |
1235 | u8 *dst, unsigned int *dlen) | |
1236 | { | |
78a1fe4f HX |
1237 | return crypto_comp_crt(tfm)->cot_decompress(crypto_comp_tfm(tfm), |
1238 | src, slen, dst, dlen); | |
1da177e4 LT |
1239 | } |
1240 | ||
1da177e4 LT |
1241 | #endif /* _LINUX_CRYPTO_H */ |
1242 |