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Commit | Line | Data |
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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 | |
332f8840 HX |
36 | #define CRYPTO_ALG_TYPE_ABLKCIPHER 0x00000005 |
37 | #define CRYPTO_ALG_TYPE_COMPRESS 0x00000008 | |
38 | #define CRYPTO_ALG_TYPE_AEAD 0x00000009 | |
055bcee3 HX |
39 | |
40 | #define CRYPTO_ALG_TYPE_HASH_MASK 0x0000000e | |
332f8840 | 41 | #define CRYPTO_ALG_TYPE_BLKCIPHER_MASK 0x0000000c |
1da177e4 | 42 | |
2825982d | 43 | #define CRYPTO_ALG_LARVAL 0x00000010 |
6bfd4809 HX |
44 | #define CRYPTO_ALG_DEAD 0x00000020 |
45 | #define CRYPTO_ALG_DYING 0x00000040 | |
f3f632d6 | 46 | #define CRYPTO_ALG_ASYNC 0x00000080 |
2825982d | 47 | |
6010439f HX |
48 | /* |
49 | * Set this bit if and only if the algorithm requires another algorithm of | |
50 | * the same type to handle corner cases. | |
51 | */ | |
52 | #define CRYPTO_ALG_NEED_FALLBACK 0x00000100 | |
53 | ||
1da177e4 LT |
54 | /* |
55 | * Transform masks and values (for crt_flags). | |
56 | */ | |
1da177e4 LT |
57 | #define CRYPTO_TFM_REQ_MASK 0x000fff00 |
58 | #define CRYPTO_TFM_RES_MASK 0xfff00000 | |
59 | ||
1da177e4 | 60 | #define CRYPTO_TFM_REQ_WEAK_KEY 0x00000100 |
64baf3cf | 61 | #define CRYPTO_TFM_REQ_MAY_SLEEP 0x00000200 |
32e3983f | 62 | #define CRYPTO_TFM_REQ_MAY_BACKLOG 0x00000400 |
1da177e4 LT |
63 | #define CRYPTO_TFM_RES_WEAK_KEY 0x00100000 |
64 | #define CRYPTO_TFM_RES_BAD_KEY_LEN 0x00200000 | |
65 | #define CRYPTO_TFM_RES_BAD_KEY_SCHED 0x00400000 | |
66 | #define CRYPTO_TFM_RES_BAD_BLOCK_LEN 0x00800000 | |
67 | #define CRYPTO_TFM_RES_BAD_FLAGS 0x01000000 | |
68 | ||
69 | /* | |
70 | * Miscellaneous stuff. | |
71 | */ | |
1da177e4 LT |
72 | #define CRYPTO_MAX_ALG_NAME 64 |
73 | ||
79911102 HX |
74 | /* |
75 | * The macro CRYPTO_MINALIGN_ATTR (along with the void * type in the actual | |
76 | * declaration) is used to ensure that the crypto_tfm context structure is | |
77 | * aligned correctly for the given architecture so that there are no alignment | |
78 | * faults for C data types. In particular, this is required on platforms such | |
79 | * as arm where pointers are 32-bit aligned but there are data types such as | |
80 | * u64 which require 64-bit alignment. | |
81 | */ | |
82 | #if defined(ARCH_KMALLOC_MINALIGN) | |
83 | #define CRYPTO_MINALIGN ARCH_KMALLOC_MINALIGN | |
84 | #elif defined(ARCH_SLAB_MINALIGN) | |
85 | #define CRYPTO_MINALIGN ARCH_SLAB_MINALIGN | |
86 | #endif | |
87 | ||
88 | #ifdef CRYPTO_MINALIGN | |
89 | #define CRYPTO_MINALIGN_ATTR __attribute__ ((__aligned__(CRYPTO_MINALIGN))) | |
90 | #else | |
91 | #define CRYPTO_MINALIGN_ATTR | |
92 | #endif | |
93 | ||
1da177e4 | 94 | struct scatterlist; |
32e3983f HX |
95 | struct crypto_ablkcipher; |
96 | struct crypto_async_request; | |
1ae97820 | 97 | struct crypto_aead; |
5cde0af2 | 98 | struct crypto_blkcipher; |
055bcee3 | 99 | struct crypto_hash; |
40725181 | 100 | struct crypto_tfm; |
e853c3cf | 101 | struct crypto_type; |
40725181 | 102 | |
32e3983f HX |
103 | typedef void (*crypto_completion_t)(struct crypto_async_request *req, int err); |
104 | ||
105 | struct crypto_async_request { | |
106 | struct list_head list; | |
107 | crypto_completion_t complete; | |
108 | void *data; | |
109 | struct crypto_tfm *tfm; | |
110 | ||
111 | u32 flags; | |
112 | }; | |
113 | ||
114 | struct ablkcipher_request { | |
115 | struct crypto_async_request base; | |
116 | ||
117 | unsigned int nbytes; | |
118 | ||
119 | void *info; | |
120 | ||
121 | struct scatterlist *src; | |
122 | struct scatterlist *dst; | |
123 | ||
124 | void *__ctx[] CRYPTO_MINALIGN_ATTR; | |
125 | }; | |
126 | ||
1ae97820 HX |
127 | /** |
128 | * struct aead_request - AEAD request | |
129 | * @base: Common attributes for async crypto requests | |
130 | * @assoclen: Length in bytes of associated data for authentication | |
131 | * @cryptlen: Length of data to be encrypted or decrypted | |
132 | * @iv: Initialisation vector | |
133 | * @assoc: Associated data | |
134 | * @src: Source data | |
135 | * @dst: Destination data | |
136 | * @__ctx: Start of private context data | |
137 | */ | |
138 | struct aead_request { | |
139 | struct crypto_async_request base; | |
140 | ||
141 | unsigned int assoclen; | |
142 | unsigned int cryptlen; | |
143 | ||
144 | u8 *iv; | |
145 | ||
146 | struct scatterlist *assoc; | |
147 | struct scatterlist *src; | |
148 | struct scatterlist *dst; | |
149 | ||
150 | void *__ctx[] CRYPTO_MINALIGN_ATTR; | |
151 | }; | |
152 | ||
5cde0af2 HX |
153 | struct blkcipher_desc { |
154 | struct crypto_blkcipher *tfm; | |
155 | void *info; | |
156 | u32 flags; | |
157 | }; | |
158 | ||
40725181 HX |
159 | struct cipher_desc { |
160 | struct crypto_tfm *tfm; | |
6c2bb98b | 161 | void (*crfn)(struct crypto_tfm *tfm, u8 *dst, const u8 *src); |
40725181 HX |
162 | unsigned int (*prfn)(const struct cipher_desc *desc, u8 *dst, |
163 | const u8 *src, unsigned int nbytes); | |
164 | void *info; | |
165 | }; | |
1da177e4 | 166 | |
055bcee3 HX |
167 | struct hash_desc { |
168 | struct crypto_hash *tfm; | |
169 | u32 flags; | |
170 | }; | |
171 | ||
1da177e4 LT |
172 | /* |
173 | * Algorithms: modular crypto algorithm implementations, managed | |
174 | * via crypto_register_alg() and crypto_unregister_alg(). | |
175 | */ | |
b5b7f088 HX |
176 | struct ablkcipher_alg { |
177 | int (*setkey)(struct crypto_ablkcipher *tfm, const u8 *key, | |
178 | unsigned int keylen); | |
179 | int (*encrypt)(struct ablkcipher_request *req); | |
180 | int (*decrypt)(struct ablkcipher_request *req); | |
181 | ||
b5b7f088 HX |
182 | unsigned int min_keysize; |
183 | unsigned int max_keysize; | |
184 | unsigned int ivsize; | |
185 | }; | |
186 | ||
1ae97820 HX |
187 | struct aead_alg { |
188 | int (*setkey)(struct crypto_aead *tfm, const u8 *key, | |
189 | unsigned int keylen); | |
7ba683a6 | 190 | int (*setauthsize)(struct crypto_aead *tfm, unsigned int authsize); |
1ae97820 HX |
191 | int (*encrypt)(struct aead_request *req); |
192 | int (*decrypt)(struct aead_request *req); | |
193 | ||
194 | unsigned int ivsize; | |
7ba683a6 | 195 | unsigned int maxauthsize; |
1ae97820 HX |
196 | }; |
197 | ||
5cde0af2 HX |
198 | struct blkcipher_alg { |
199 | int (*setkey)(struct crypto_tfm *tfm, const u8 *key, | |
200 | unsigned int keylen); | |
201 | int (*encrypt)(struct blkcipher_desc *desc, | |
202 | struct scatterlist *dst, struct scatterlist *src, | |
203 | unsigned int nbytes); | |
204 | int (*decrypt)(struct blkcipher_desc *desc, | |
205 | struct scatterlist *dst, struct scatterlist *src, | |
206 | unsigned int nbytes); | |
207 | ||
208 | unsigned int min_keysize; | |
209 | unsigned int max_keysize; | |
210 | unsigned int ivsize; | |
211 | }; | |
212 | ||
1da177e4 LT |
213 | struct cipher_alg { |
214 | unsigned int cia_min_keysize; | |
215 | unsigned int cia_max_keysize; | |
6c2bb98b | 216 | int (*cia_setkey)(struct crypto_tfm *tfm, const u8 *key, |
560c06ae | 217 | unsigned int keylen); |
6c2bb98b HX |
218 | void (*cia_encrypt)(struct crypto_tfm *tfm, u8 *dst, const u8 *src); |
219 | void (*cia_decrypt)(struct crypto_tfm *tfm, u8 *dst, const u8 *src); | |
1da177e4 LT |
220 | }; |
221 | ||
222 | struct digest_alg { | |
223 | unsigned int dia_digestsize; | |
6c2bb98b HX |
224 | void (*dia_init)(struct crypto_tfm *tfm); |
225 | void (*dia_update)(struct crypto_tfm *tfm, const u8 *data, | |
226 | unsigned int len); | |
227 | void (*dia_final)(struct crypto_tfm *tfm, u8 *out); | |
228 | int (*dia_setkey)(struct crypto_tfm *tfm, const u8 *key, | |
560c06ae | 229 | unsigned int keylen); |
1da177e4 LT |
230 | }; |
231 | ||
055bcee3 HX |
232 | struct hash_alg { |
233 | int (*init)(struct hash_desc *desc); | |
234 | int (*update)(struct hash_desc *desc, struct scatterlist *sg, | |
235 | unsigned int nbytes); | |
236 | int (*final)(struct hash_desc *desc, u8 *out); | |
237 | int (*digest)(struct hash_desc *desc, struct scatterlist *sg, | |
238 | unsigned int nbytes, u8 *out); | |
239 | int (*setkey)(struct crypto_hash *tfm, const u8 *key, | |
240 | unsigned int keylen); | |
241 | ||
242 | unsigned int digestsize; | |
243 | }; | |
244 | ||
1da177e4 | 245 | struct compress_alg { |
6c2bb98b HX |
246 | int (*coa_compress)(struct crypto_tfm *tfm, const u8 *src, |
247 | unsigned int slen, u8 *dst, unsigned int *dlen); | |
248 | int (*coa_decompress)(struct crypto_tfm *tfm, const u8 *src, | |
249 | unsigned int slen, u8 *dst, unsigned int *dlen); | |
1da177e4 LT |
250 | }; |
251 | ||
b5b7f088 | 252 | #define cra_ablkcipher cra_u.ablkcipher |
1ae97820 | 253 | #define cra_aead cra_u.aead |
5cde0af2 | 254 | #define cra_blkcipher cra_u.blkcipher |
1da177e4 LT |
255 | #define cra_cipher cra_u.cipher |
256 | #define cra_digest cra_u.digest | |
055bcee3 | 257 | #define cra_hash cra_u.hash |
1da177e4 LT |
258 | #define cra_compress cra_u.compress |
259 | ||
260 | struct crypto_alg { | |
261 | struct list_head cra_list; | |
6bfd4809 HX |
262 | struct list_head cra_users; |
263 | ||
1da177e4 LT |
264 | u32 cra_flags; |
265 | unsigned int cra_blocksize; | |
266 | unsigned int cra_ctxsize; | |
95477377 | 267 | unsigned int cra_alignmask; |
5cb1454b HX |
268 | |
269 | int cra_priority; | |
6521f302 | 270 | atomic_t cra_refcnt; |
5cb1454b | 271 | |
d913ea0d HX |
272 | char cra_name[CRYPTO_MAX_ALG_NAME]; |
273 | char cra_driver_name[CRYPTO_MAX_ALG_NAME]; | |
1da177e4 | 274 | |
e853c3cf HX |
275 | const struct crypto_type *cra_type; |
276 | ||
1da177e4 | 277 | union { |
b5b7f088 | 278 | struct ablkcipher_alg ablkcipher; |
1ae97820 | 279 | struct aead_alg aead; |
5cde0af2 | 280 | struct blkcipher_alg blkcipher; |
1da177e4 LT |
281 | struct cipher_alg cipher; |
282 | struct digest_alg digest; | |
055bcee3 | 283 | struct hash_alg hash; |
1da177e4 LT |
284 | struct compress_alg compress; |
285 | } cra_u; | |
c7fc0599 HX |
286 | |
287 | int (*cra_init)(struct crypto_tfm *tfm); | |
288 | void (*cra_exit)(struct crypto_tfm *tfm); | |
6521f302 | 289 | void (*cra_destroy)(struct crypto_alg *alg); |
1da177e4 LT |
290 | |
291 | struct module *cra_module; | |
292 | }; | |
293 | ||
294 | /* | |
295 | * Algorithm registration interface. | |
296 | */ | |
297 | int crypto_register_alg(struct crypto_alg *alg); | |
298 | int crypto_unregister_alg(struct crypto_alg *alg); | |
299 | ||
300 | /* | |
301 | * Algorithm query interface. | |
302 | */ | |
303 | #ifdef CONFIG_CRYPTO | |
fce32d70 | 304 | int crypto_has_alg(const char *name, u32 type, u32 mask); |
1da177e4 | 305 | #else |
fce32d70 HX |
306 | static inline int crypto_has_alg(const char *name, u32 type, u32 mask) |
307 | { | |
308 | return 0; | |
309 | } | |
1da177e4 LT |
310 | #endif |
311 | ||
312 | /* | |
313 | * Transforms: user-instantiated objects which encapsulate algorithms | |
6d7d684d HX |
314 | * and core processing logic. Managed via crypto_alloc_*() and |
315 | * crypto_free_*(), as well as the various helpers below. | |
1da177e4 | 316 | */ |
1da177e4 | 317 | |
32e3983f HX |
318 | struct ablkcipher_tfm { |
319 | int (*setkey)(struct crypto_ablkcipher *tfm, const u8 *key, | |
320 | unsigned int keylen); | |
321 | int (*encrypt)(struct ablkcipher_request *req); | |
322 | int (*decrypt)(struct ablkcipher_request *req); | |
323 | unsigned int ivsize; | |
324 | unsigned int reqsize; | |
325 | }; | |
326 | ||
1ae97820 HX |
327 | struct aead_tfm { |
328 | int (*setkey)(struct crypto_aead *tfm, const u8 *key, | |
329 | unsigned int keylen); | |
330 | int (*encrypt)(struct aead_request *req); | |
331 | int (*decrypt)(struct aead_request *req); | |
332 | unsigned int ivsize; | |
333 | unsigned int authsize; | |
334 | unsigned int reqsize; | |
335 | }; | |
336 | ||
5cde0af2 HX |
337 | struct blkcipher_tfm { |
338 | void *iv; | |
339 | int (*setkey)(struct crypto_tfm *tfm, const u8 *key, | |
340 | unsigned int keylen); | |
341 | int (*encrypt)(struct blkcipher_desc *desc, struct scatterlist *dst, | |
342 | struct scatterlist *src, unsigned int nbytes); | |
343 | int (*decrypt)(struct blkcipher_desc *desc, struct scatterlist *dst, | |
344 | struct scatterlist *src, unsigned int nbytes); | |
345 | }; | |
346 | ||
1da177e4 | 347 | struct cipher_tfm { |
1da177e4 LT |
348 | int (*cit_setkey)(struct crypto_tfm *tfm, |
349 | const u8 *key, unsigned int keylen); | |
f28776a3 HX |
350 | void (*cit_encrypt_one)(struct crypto_tfm *tfm, u8 *dst, const u8 *src); |
351 | void (*cit_decrypt_one)(struct crypto_tfm *tfm, u8 *dst, const u8 *src); | |
1da177e4 LT |
352 | }; |
353 | ||
055bcee3 HX |
354 | struct hash_tfm { |
355 | int (*init)(struct hash_desc *desc); | |
356 | int (*update)(struct hash_desc *desc, | |
357 | struct scatterlist *sg, unsigned int nsg); | |
358 | int (*final)(struct hash_desc *desc, u8 *out); | |
359 | int (*digest)(struct hash_desc *desc, struct scatterlist *sg, | |
360 | unsigned int nsg, u8 *out); | |
361 | int (*setkey)(struct crypto_hash *tfm, const u8 *key, | |
362 | unsigned int keylen); | |
055bcee3 | 363 | unsigned int digestsize; |
1da177e4 LT |
364 | }; |
365 | ||
366 | struct compress_tfm { | |
367 | int (*cot_compress)(struct crypto_tfm *tfm, | |
368 | const u8 *src, unsigned int slen, | |
369 | u8 *dst, unsigned int *dlen); | |
370 | int (*cot_decompress)(struct crypto_tfm *tfm, | |
371 | const u8 *src, unsigned int slen, | |
372 | u8 *dst, unsigned int *dlen); | |
373 | }; | |
374 | ||
32e3983f | 375 | #define crt_ablkcipher crt_u.ablkcipher |
1ae97820 | 376 | #define crt_aead crt_u.aead |
5cde0af2 | 377 | #define crt_blkcipher crt_u.blkcipher |
1da177e4 | 378 | #define crt_cipher crt_u.cipher |
055bcee3 | 379 | #define crt_hash crt_u.hash |
1da177e4 LT |
380 | #define crt_compress crt_u.compress |
381 | ||
382 | struct crypto_tfm { | |
383 | ||
384 | u32 crt_flags; | |
385 | ||
386 | union { | |
32e3983f | 387 | struct ablkcipher_tfm ablkcipher; |
1ae97820 | 388 | struct aead_tfm aead; |
5cde0af2 | 389 | struct blkcipher_tfm blkcipher; |
1da177e4 | 390 | struct cipher_tfm cipher; |
055bcee3 | 391 | struct hash_tfm hash; |
1da177e4 LT |
392 | struct compress_tfm compress; |
393 | } crt_u; | |
394 | ||
395 | struct crypto_alg *__crt_alg; | |
f10b7897 | 396 | |
79911102 | 397 | void *__crt_ctx[] CRYPTO_MINALIGN_ATTR; |
1da177e4 LT |
398 | }; |
399 | ||
32e3983f HX |
400 | struct crypto_ablkcipher { |
401 | struct crypto_tfm base; | |
402 | }; | |
403 | ||
1ae97820 HX |
404 | struct crypto_aead { |
405 | struct crypto_tfm base; | |
406 | }; | |
407 | ||
5cde0af2 HX |
408 | struct crypto_blkcipher { |
409 | struct crypto_tfm base; | |
410 | }; | |
411 | ||
78a1fe4f HX |
412 | struct crypto_cipher { |
413 | struct crypto_tfm base; | |
414 | }; | |
415 | ||
416 | struct crypto_comp { | |
417 | struct crypto_tfm base; | |
418 | }; | |
419 | ||
055bcee3 HX |
420 | struct crypto_hash { |
421 | struct crypto_tfm base; | |
422 | }; | |
423 | ||
2b8c19db HX |
424 | enum { |
425 | CRYPTOA_UNSPEC, | |
426 | CRYPTOA_ALG, | |
ebc610e5 | 427 | CRYPTOA_TYPE, |
39e1ee01 | 428 | CRYPTOA_U32, |
ebc610e5 | 429 | __CRYPTOA_MAX, |
2b8c19db HX |
430 | }; |
431 | ||
ebc610e5 HX |
432 | #define CRYPTOA_MAX (__CRYPTOA_MAX - 1) |
433 | ||
39e1ee01 HX |
434 | /* Maximum number of (rtattr) parameters for each template. */ |
435 | #define CRYPTO_MAX_ATTRS 32 | |
436 | ||
2b8c19db HX |
437 | struct crypto_attr_alg { |
438 | char name[CRYPTO_MAX_ALG_NAME]; | |
439 | }; | |
440 | ||
ebc610e5 HX |
441 | struct crypto_attr_type { |
442 | u32 type; | |
443 | u32 mask; | |
444 | }; | |
445 | ||
39e1ee01 HX |
446 | struct crypto_attr_u32 { |
447 | u32 num; | |
448 | }; | |
449 | ||
1da177e4 LT |
450 | /* |
451 | * Transform user interface. | |
452 | */ | |
453 | ||
1da177e4 | 454 | struct crypto_tfm *crypto_alloc_tfm(const char *alg_name, u32 tfm_flags); |
6d7d684d | 455 | struct crypto_tfm *crypto_alloc_base(const char *alg_name, u32 type, u32 mask); |
1da177e4 LT |
456 | void crypto_free_tfm(struct crypto_tfm *tfm); |
457 | ||
458 | /* | |
459 | * Transform helpers which query the underlying algorithm. | |
460 | */ | |
461 | static inline const char *crypto_tfm_alg_name(struct crypto_tfm *tfm) | |
462 | { | |
463 | return tfm->__crt_alg->cra_name; | |
464 | } | |
465 | ||
b14cdd67 ML |
466 | static inline const char *crypto_tfm_alg_driver_name(struct crypto_tfm *tfm) |
467 | { | |
468 | return tfm->__crt_alg->cra_driver_name; | |
469 | } | |
470 | ||
471 | static inline int crypto_tfm_alg_priority(struct crypto_tfm *tfm) | |
472 | { | |
473 | return tfm->__crt_alg->cra_priority; | |
474 | } | |
475 | ||
1da177e4 LT |
476 | static inline const char *crypto_tfm_alg_modname(struct crypto_tfm *tfm) |
477 | { | |
478 | return module_name(tfm->__crt_alg->cra_module); | |
479 | } | |
480 | ||
481 | static inline u32 crypto_tfm_alg_type(struct crypto_tfm *tfm) | |
482 | { | |
483 | return tfm->__crt_alg->cra_flags & CRYPTO_ALG_TYPE_MASK; | |
484 | } | |
485 | ||
1da177e4 LT |
486 | static inline unsigned int crypto_tfm_alg_blocksize(struct crypto_tfm *tfm) |
487 | { | |
488 | return tfm->__crt_alg->cra_blocksize; | |
489 | } | |
490 | ||
fbdae9f3 HX |
491 | static inline unsigned int crypto_tfm_alg_alignmask(struct crypto_tfm *tfm) |
492 | { | |
493 | return tfm->__crt_alg->cra_alignmask; | |
494 | } | |
495 | ||
f28776a3 HX |
496 | static inline u32 crypto_tfm_get_flags(struct crypto_tfm *tfm) |
497 | { | |
498 | return tfm->crt_flags; | |
499 | } | |
500 | ||
501 | static inline void crypto_tfm_set_flags(struct crypto_tfm *tfm, u32 flags) | |
502 | { | |
503 | tfm->crt_flags |= flags; | |
504 | } | |
505 | ||
506 | static inline void crypto_tfm_clear_flags(struct crypto_tfm *tfm, u32 flags) | |
507 | { | |
508 | tfm->crt_flags &= ~flags; | |
509 | } | |
510 | ||
40725181 HX |
511 | static inline void *crypto_tfm_ctx(struct crypto_tfm *tfm) |
512 | { | |
f10b7897 HX |
513 | return tfm->__crt_ctx; |
514 | } | |
515 | ||
516 | static inline unsigned int crypto_tfm_ctx_alignment(void) | |
517 | { | |
518 | struct crypto_tfm *tfm; | |
519 | return __alignof__(tfm->__crt_ctx); | |
40725181 HX |
520 | } |
521 | ||
1da177e4 LT |
522 | /* |
523 | * API wrappers. | |
524 | */ | |
32e3983f HX |
525 | static inline struct crypto_ablkcipher *__crypto_ablkcipher_cast( |
526 | struct crypto_tfm *tfm) | |
527 | { | |
528 | return (struct crypto_ablkcipher *)tfm; | |
529 | } | |
530 | ||
378f4f51 | 531 | static inline u32 crypto_skcipher_type(u32 type) |
32e3983f HX |
532 | { |
533 | type &= ~CRYPTO_ALG_TYPE_MASK; | |
534 | type |= CRYPTO_ALG_TYPE_BLKCIPHER; | |
378f4f51 HX |
535 | return type; |
536 | } | |
537 | ||
538 | static inline u32 crypto_skcipher_mask(u32 mask) | |
539 | { | |
540 | mask &= ~CRYPTO_ALG_TYPE_MASK; | |
332f8840 | 541 | mask |= CRYPTO_ALG_TYPE_BLKCIPHER_MASK; |
378f4f51 HX |
542 | return mask; |
543 | } | |
32e3983f | 544 | |
378f4f51 HX |
545 | static inline struct crypto_ablkcipher *crypto_alloc_ablkcipher( |
546 | const char *alg_name, u32 type, u32 mask) | |
547 | { | |
32e3983f | 548 | return __crypto_ablkcipher_cast( |
378f4f51 HX |
549 | crypto_alloc_base(alg_name, crypto_skcipher_type(type), |
550 | crypto_skcipher_mask(mask))); | |
32e3983f HX |
551 | } |
552 | ||
553 | static inline struct crypto_tfm *crypto_ablkcipher_tfm( | |
554 | struct crypto_ablkcipher *tfm) | |
555 | { | |
556 | return &tfm->base; | |
557 | } | |
558 | ||
559 | static inline void crypto_free_ablkcipher(struct crypto_ablkcipher *tfm) | |
560 | { | |
561 | crypto_free_tfm(crypto_ablkcipher_tfm(tfm)); | |
562 | } | |
563 | ||
564 | static inline int crypto_has_ablkcipher(const char *alg_name, u32 type, | |
565 | u32 mask) | |
566 | { | |
378f4f51 HX |
567 | return crypto_has_alg(alg_name, crypto_skcipher_type(type), |
568 | crypto_skcipher_mask(mask)); | |
32e3983f HX |
569 | } |
570 | ||
571 | static inline struct ablkcipher_tfm *crypto_ablkcipher_crt( | |
572 | struct crypto_ablkcipher *tfm) | |
573 | { | |
574 | return &crypto_ablkcipher_tfm(tfm)->crt_ablkcipher; | |
575 | } | |
576 | ||
577 | static inline unsigned int crypto_ablkcipher_ivsize( | |
578 | struct crypto_ablkcipher *tfm) | |
579 | { | |
580 | return crypto_ablkcipher_crt(tfm)->ivsize; | |
581 | } | |
582 | ||
583 | static inline unsigned int crypto_ablkcipher_blocksize( | |
584 | struct crypto_ablkcipher *tfm) | |
585 | { | |
586 | return crypto_tfm_alg_blocksize(crypto_ablkcipher_tfm(tfm)); | |
587 | } | |
588 | ||
589 | static inline unsigned int crypto_ablkcipher_alignmask( | |
590 | struct crypto_ablkcipher *tfm) | |
591 | { | |
592 | return crypto_tfm_alg_alignmask(crypto_ablkcipher_tfm(tfm)); | |
593 | } | |
594 | ||
595 | static inline u32 crypto_ablkcipher_get_flags(struct crypto_ablkcipher *tfm) | |
596 | { | |
597 | return crypto_tfm_get_flags(crypto_ablkcipher_tfm(tfm)); | |
598 | } | |
599 | ||
600 | static inline void crypto_ablkcipher_set_flags(struct crypto_ablkcipher *tfm, | |
601 | u32 flags) | |
602 | { | |
603 | crypto_tfm_set_flags(crypto_ablkcipher_tfm(tfm), flags); | |
604 | } | |
605 | ||
606 | static inline void crypto_ablkcipher_clear_flags(struct crypto_ablkcipher *tfm, | |
607 | u32 flags) | |
608 | { | |
609 | crypto_tfm_clear_flags(crypto_ablkcipher_tfm(tfm), flags); | |
610 | } | |
611 | ||
612 | static inline int crypto_ablkcipher_setkey(struct crypto_ablkcipher *tfm, | |
613 | const u8 *key, unsigned int keylen) | |
614 | { | |
615 | return crypto_ablkcipher_crt(tfm)->setkey(tfm, key, keylen); | |
616 | } | |
617 | ||
618 | static inline struct crypto_ablkcipher *crypto_ablkcipher_reqtfm( | |
619 | struct ablkcipher_request *req) | |
620 | { | |
621 | return __crypto_ablkcipher_cast(req->base.tfm); | |
622 | } | |
623 | ||
624 | static inline int crypto_ablkcipher_encrypt(struct ablkcipher_request *req) | |
625 | { | |
626 | struct ablkcipher_tfm *crt = | |
627 | crypto_ablkcipher_crt(crypto_ablkcipher_reqtfm(req)); | |
628 | return crt->encrypt(req); | |
629 | } | |
630 | ||
631 | static inline int crypto_ablkcipher_decrypt(struct ablkcipher_request *req) | |
632 | { | |
633 | struct ablkcipher_tfm *crt = | |
634 | crypto_ablkcipher_crt(crypto_ablkcipher_reqtfm(req)); | |
635 | return crt->decrypt(req); | |
636 | } | |
637 | ||
b16c3a2e HX |
638 | static inline unsigned int crypto_ablkcipher_reqsize( |
639 | struct crypto_ablkcipher *tfm) | |
32e3983f HX |
640 | { |
641 | return crypto_ablkcipher_crt(tfm)->reqsize; | |
642 | } | |
643 | ||
e196d625 HX |
644 | static inline void ablkcipher_request_set_tfm( |
645 | struct ablkcipher_request *req, struct crypto_ablkcipher *tfm) | |
646 | { | |
647 | req->base.tfm = crypto_ablkcipher_tfm(tfm); | |
648 | } | |
649 | ||
b5b7f088 HX |
650 | static inline struct ablkcipher_request *ablkcipher_request_cast( |
651 | struct crypto_async_request *req) | |
652 | { | |
653 | return container_of(req, struct ablkcipher_request, base); | |
654 | } | |
655 | ||
32e3983f HX |
656 | static inline struct ablkcipher_request *ablkcipher_request_alloc( |
657 | struct crypto_ablkcipher *tfm, gfp_t gfp) | |
658 | { | |
659 | struct ablkcipher_request *req; | |
660 | ||
661 | req = kmalloc(sizeof(struct ablkcipher_request) + | |
662 | crypto_ablkcipher_reqsize(tfm), gfp); | |
663 | ||
664 | if (likely(req)) | |
e196d625 | 665 | ablkcipher_request_set_tfm(req, tfm); |
32e3983f HX |
666 | |
667 | return req; | |
668 | } | |
669 | ||
670 | static inline void ablkcipher_request_free(struct ablkcipher_request *req) | |
671 | { | |
672 | kfree(req); | |
673 | } | |
674 | ||
675 | static inline void ablkcipher_request_set_callback( | |
676 | struct ablkcipher_request *req, | |
677 | u32 flags, crypto_completion_t complete, void *data) | |
678 | { | |
679 | req->base.complete = complete; | |
680 | req->base.data = data; | |
681 | req->base.flags = flags; | |
682 | } | |
683 | ||
684 | static inline void ablkcipher_request_set_crypt( | |
685 | struct ablkcipher_request *req, | |
686 | struct scatterlist *src, struct scatterlist *dst, | |
687 | unsigned int nbytes, void *iv) | |
688 | { | |
689 | req->src = src; | |
690 | req->dst = dst; | |
691 | req->nbytes = nbytes; | |
692 | req->info = iv; | |
693 | } | |
694 | ||
1ae97820 HX |
695 | static inline struct crypto_aead *__crypto_aead_cast(struct crypto_tfm *tfm) |
696 | { | |
697 | return (struct crypto_aead *)tfm; | |
698 | } | |
699 | ||
700 | static inline struct crypto_aead *crypto_alloc_aead(const char *alg_name, | |
701 | u32 type, u32 mask) | |
702 | { | |
703 | type &= ~CRYPTO_ALG_TYPE_MASK; | |
704 | type |= CRYPTO_ALG_TYPE_AEAD; | |
705 | mask |= CRYPTO_ALG_TYPE_MASK; | |
706 | ||
707 | return __crypto_aead_cast(crypto_alloc_base(alg_name, type, mask)); | |
708 | } | |
709 | ||
710 | static inline struct crypto_tfm *crypto_aead_tfm(struct crypto_aead *tfm) | |
711 | { | |
712 | return &tfm->base; | |
713 | } | |
714 | ||
715 | static inline void crypto_free_aead(struct crypto_aead *tfm) | |
716 | { | |
717 | crypto_free_tfm(crypto_aead_tfm(tfm)); | |
718 | } | |
719 | ||
720 | static inline struct aead_tfm *crypto_aead_crt(struct crypto_aead *tfm) | |
721 | { | |
722 | return &crypto_aead_tfm(tfm)->crt_aead; | |
723 | } | |
724 | ||
725 | static inline unsigned int crypto_aead_ivsize(struct crypto_aead *tfm) | |
726 | { | |
727 | return crypto_aead_crt(tfm)->ivsize; | |
728 | } | |
729 | ||
730 | static inline unsigned int crypto_aead_authsize(struct crypto_aead *tfm) | |
731 | { | |
732 | return crypto_aead_crt(tfm)->authsize; | |
733 | } | |
734 | ||
735 | static inline unsigned int crypto_aead_blocksize(struct crypto_aead *tfm) | |
736 | { | |
737 | return crypto_tfm_alg_blocksize(crypto_aead_tfm(tfm)); | |
738 | } | |
739 | ||
740 | static inline unsigned int crypto_aead_alignmask(struct crypto_aead *tfm) | |
741 | { | |
742 | return crypto_tfm_alg_alignmask(crypto_aead_tfm(tfm)); | |
743 | } | |
744 | ||
745 | static inline u32 crypto_aead_get_flags(struct crypto_aead *tfm) | |
746 | { | |
747 | return crypto_tfm_get_flags(crypto_aead_tfm(tfm)); | |
748 | } | |
749 | ||
750 | static inline void crypto_aead_set_flags(struct crypto_aead *tfm, u32 flags) | |
751 | { | |
752 | crypto_tfm_set_flags(crypto_aead_tfm(tfm), flags); | |
753 | } | |
754 | ||
755 | static inline void crypto_aead_clear_flags(struct crypto_aead *tfm, u32 flags) | |
756 | { | |
757 | crypto_tfm_clear_flags(crypto_aead_tfm(tfm), flags); | |
758 | } | |
759 | ||
760 | static inline int crypto_aead_setkey(struct crypto_aead *tfm, const u8 *key, | |
761 | unsigned int keylen) | |
762 | { | |
763 | return crypto_aead_crt(tfm)->setkey(tfm, key, keylen); | |
764 | } | |
765 | ||
7ba683a6 HX |
766 | int crypto_aead_setauthsize(struct crypto_aead *tfm, unsigned int authsize); |
767 | ||
1ae97820 HX |
768 | static inline struct crypto_aead *crypto_aead_reqtfm(struct aead_request *req) |
769 | { | |
770 | return __crypto_aead_cast(req->base.tfm); | |
771 | } | |
772 | ||
773 | static inline int crypto_aead_encrypt(struct aead_request *req) | |
774 | { | |
775 | return crypto_aead_crt(crypto_aead_reqtfm(req))->encrypt(req); | |
776 | } | |
777 | ||
778 | static inline int crypto_aead_decrypt(struct aead_request *req) | |
779 | { | |
780 | return crypto_aead_crt(crypto_aead_reqtfm(req))->decrypt(req); | |
781 | } | |
782 | ||
b16c3a2e | 783 | static inline unsigned int crypto_aead_reqsize(struct crypto_aead *tfm) |
1ae97820 HX |
784 | { |
785 | return crypto_aead_crt(tfm)->reqsize; | |
786 | } | |
787 | ||
788 | static inline void aead_request_set_tfm(struct aead_request *req, | |
789 | struct crypto_aead *tfm) | |
790 | { | |
791 | req->base.tfm = crypto_aead_tfm(tfm); | |
792 | } | |
793 | ||
794 | static inline struct aead_request *aead_request_alloc(struct crypto_aead *tfm, | |
795 | gfp_t gfp) | |
796 | { | |
797 | struct aead_request *req; | |
798 | ||
799 | req = kmalloc(sizeof(*req) + crypto_aead_reqsize(tfm), gfp); | |
800 | ||
801 | if (likely(req)) | |
802 | aead_request_set_tfm(req, tfm); | |
803 | ||
804 | return req; | |
805 | } | |
806 | ||
807 | static inline void aead_request_free(struct aead_request *req) | |
808 | { | |
809 | kfree(req); | |
810 | } | |
811 | ||
812 | static inline void aead_request_set_callback(struct aead_request *req, | |
813 | u32 flags, | |
814 | crypto_completion_t complete, | |
815 | void *data) | |
816 | { | |
817 | req->base.complete = complete; | |
818 | req->base.data = data; | |
819 | req->base.flags = flags; | |
820 | } | |
821 | ||
822 | static inline void aead_request_set_crypt(struct aead_request *req, | |
823 | struct scatterlist *src, | |
824 | struct scatterlist *dst, | |
825 | unsigned int cryptlen, u8 *iv) | |
826 | { | |
827 | req->src = src; | |
828 | req->dst = dst; | |
829 | req->cryptlen = cryptlen; | |
830 | req->iv = iv; | |
831 | } | |
832 | ||
833 | static inline void aead_request_set_assoc(struct aead_request *req, | |
834 | struct scatterlist *assoc, | |
835 | unsigned int assoclen) | |
836 | { | |
837 | req->assoc = assoc; | |
838 | req->assoclen = assoclen; | |
839 | } | |
840 | ||
5cde0af2 HX |
841 | static inline struct crypto_blkcipher *__crypto_blkcipher_cast( |
842 | struct crypto_tfm *tfm) | |
843 | { | |
844 | return (struct crypto_blkcipher *)tfm; | |
845 | } | |
846 | ||
847 | static inline struct crypto_blkcipher *crypto_blkcipher_cast( | |
848 | struct crypto_tfm *tfm) | |
849 | { | |
850 | BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_BLKCIPHER); | |
851 | return __crypto_blkcipher_cast(tfm); | |
852 | } | |
853 | ||
854 | static inline struct crypto_blkcipher *crypto_alloc_blkcipher( | |
855 | const char *alg_name, u32 type, u32 mask) | |
856 | { | |
332f8840 | 857 | type &= ~CRYPTO_ALG_TYPE_MASK; |
5cde0af2 | 858 | type |= CRYPTO_ALG_TYPE_BLKCIPHER; |
332f8840 | 859 | mask |= CRYPTO_ALG_TYPE_MASK; |
5cde0af2 HX |
860 | |
861 | return __crypto_blkcipher_cast(crypto_alloc_base(alg_name, type, mask)); | |
862 | } | |
863 | ||
864 | static inline struct crypto_tfm *crypto_blkcipher_tfm( | |
865 | struct crypto_blkcipher *tfm) | |
866 | { | |
867 | return &tfm->base; | |
868 | } | |
869 | ||
870 | static inline void crypto_free_blkcipher(struct crypto_blkcipher *tfm) | |
871 | { | |
872 | crypto_free_tfm(crypto_blkcipher_tfm(tfm)); | |
873 | } | |
874 | ||
fce32d70 HX |
875 | static inline int crypto_has_blkcipher(const char *alg_name, u32 type, u32 mask) |
876 | { | |
332f8840 | 877 | type &= ~CRYPTO_ALG_TYPE_MASK; |
fce32d70 | 878 | type |= CRYPTO_ALG_TYPE_BLKCIPHER; |
332f8840 | 879 | mask |= CRYPTO_ALG_TYPE_MASK; |
fce32d70 HX |
880 | |
881 | return crypto_has_alg(alg_name, type, mask); | |
882 | } | |
883 | ||
5cde0af2 HX |
884 | static inline const char *crypto_blkcipher_name(struct crypto_blkcipher *tfm) |
885 | { | |
886 | return crypto_tfm_alg_name(crypto_blkcipher_tfm(tfm)); | |
887 | } | |
888 | ||
889 | static inline struct blkcipher_tfm *crypto_blkcipher_crt( | |
890 | struct crypto_blkcipher *tfm) | |
891 | { | |
892 | return &crypto_blkcipher_tfm(tfm)->crt_blkcipher; | |
893 | } | |
894 | ||
895 | static inline struct blkcipher_alg *crypto_blkcipher_alg( | |
896 | struct crypto_blkcipher *tfm) | |
897 | { | |
898 | return &crypto_blkcipher_tfm(tfm)->__crt_alg->cra_blkcipher; | |
899 | } | |
900 | ||
901 | static inline unsigned int crypto_blkcipher_ivsize(struct crypto_blkcipher *tfm) | |
902 | { | |
903 | return crypto_blkcipher_alg(tfm)->ivsize; | |
904 | } | |
905 | ||
906 | static inline unsigned int crypto_blkcipher_blocksize( | |
907 | struct crypto_blkcipher *tfm) | |
908 | { | |
909 | return crypto_tfm_alg_blocksize(crypto_blkcipher_tfm(tfm)); | |
910 | } | |
911 | ||
912 | static inline unsigned int crypto_blkcipher_alignmask( | |
913 | struct crypto_blkcipher *tfm) | |
914 | { | |
915 | return crypto_tfm_alg_alignmask(crypto_blkcipher_tfm(tfm)); | |
916 | } | |
917 | ||
918 | static inline u32 crypto_blkcipher_get_flags(struct crypto_blkcipher *tfm) | |
919 | { | |
920 | return crypto_tfm_get_flags(crypto_blkcipher_tfm(tfm)); | |
921 | } | |
922 | ||
923 | static inline void crypto_blkcipher_set_flags(struct crypto_blkcipher *tfm, | |
924 | u32 flags) | |
925 | { | |
926 | crypto_tfm_set_flags(crypto_blkcipher_tfm(tfm), flags); | |
927 | } | |
928 | ||
929 | static inline void crypto_blkcipher_clear_flags(struct crypto_blkcipher *tfm, | |
930 | u32 flags) | |
931 | { | |
932 | crypto_tfm_clear_flags(crypto_blkcipher_tfm(tfm), flags); | |
933 | } | |
934 | ||
935 | static inline int crypto_blkcipher_setkey(struct crypto_blkcipher *tfm, | |
936 | const u8 *key, unsigned int keylen) | |
937 | { | |
938 | return crypto_blkcipher_crt(tfm)->setkey(crypto_blkcipher_tfm(tfm), | |
939 | key, keylen); | |
940 | } | |
941 | ||
942 | static inline int crypto_blkcipher_encrypt(struct blkcipher_desc *desc, | |
943 | struct scatterlist *dst, | |
944 | struct scatterlist *src, | |
945 | unsigned int nbytes) | |
946 | { | |
947 | desc->info = crypto_blkcipher_crt(desc->tfm)->iv; | |
948 | return crypto_blkcipher_crt(desc->tfm)->encrypt(desc, dst, src, nbytes); | |
949 | } | |
950 | ||
951 | static inline int crypto_blkcipher_encrypt_iv(struct blkcipher_desc *desc, | |
952 | struct scatterlist *dst, | |
953 | struct scatterlist *src, | |
954 | unsigned int nbytes) | |
955 | { | |
956 | return crypto_blkcipher_crt(desc->tfm)->encrypt(desc, dst, src, nbytes); | |
957 | } | |
958 | ||
959 | static inline int crypto_blkcipher_decrypt(struct blkcipher_desc *desc, | |
960 | struct scatterlist *dst, | |
961 | struct scatterlist *src, | |
962 | unsigned int nbytes) | |
963 | { | |
964 | desc->info = crypto_blkcipher_crt(desc->tfm)->iv; | |
965 | return crypto_blkcipher_crt(desc->tfm)->decrypt(desc, dst, src, nbytes); | |
966 | } | |
967 | ||
968 | static inline int crypto_blkcipher_decrypt_iv(struct blkcipher_desc *desc, | |
969 | struct scatterlist *dst, | |
970 | struct scatterlist *src, | |
971 | unsigned int nbytes) | |
972 | { | |
973 | return crypto_blkcipher_crt(desc->tfm)->decrypt(desc, dst, src, nbytes); | |
974 | } | |
975 | ||
976 | static inline void crypto_blkcipher_set_iv(struct crypto_blkcipher *tfm, | |
977 | const u8 *src, unsigned int len) | |
978 | { | |
979 | memcpy(crypto_blkcipher_crt(tfm)->iv, src, len); | |
980 | } | |
981 | ||
982 | static inline void crypto_blkcipher_get_iv(struct crypto_blkcipher *tfm, | |
983 | u8 *dst, unsigned int len) | |
984 | { | |
985 | memcpy(dst, crypto_blkcipher_crt(tfm)->iv, len); | |
986 | } | |
987 | ||
f28776a3 HX |
988 | static inline struct crypto_cipher *__crypto_cipher_cast(struct crypto_tfm *tfm) |
989 | { | |
990 | return (struct crypto_cipher *)tfm; | |
991 | } | |
992 | ||
993 | static inline struct crypto_cipher *crypto_cipher_cast(struct crypto_tfm *tfm) | |
994 | { | |
995 | BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_CIPHER); | |
996 | return __crypto_cipher_cast(tfm); | |
997 | } | |
998 | ||
999 | static inline struct crypto_cipher *crypto_alloc_cipher(const char *alg_name, | |
1000 | u32 type, u32 mask) | |
1001 | { | |
1002 | type &= ~CRYPTO_ALG_TYPE_MASK; | |
1003 | type |= CRYPTO_ALG_TYPE_CIPHER; | |
1004 | mask |= CRYPTO_ALG_TYPE_MASK; | |
1005 | ||
1006 | return __crypto_cipher_cast(crypto_alloc_base(alg_name, type, mask)); | |
1007 | } | |
1008 | ||
1009 | static inline struct crypto_tfm *crypto_cipher_tfm(struct crypto_cipher *tfm) | |
1010 | { | |
78a1fe4f | 1011 | return &tfm->base; |
f28776a3 HX |
1012 | } |
1013 | ||
1014 | static inline void crypto_free_cipher(struct crypto_cipher *tfm) | |
1015 | { | |
1016 | crypto_free_tfm(crypto_cipher_tfm(tfm)); | |
1017 | } | |
1018 | ||
fce32d70 HX |
1019 | static inline int crypto_has_cipher(const char *alg_name, u32 type, u32 mask) |
1020 | { | |
1021 | type &= ~CRYPTO_ALG_TYPE_MASK; | |
1022 | type |= CRYPTO_ALG_TYPE_CIPHER; | |
1023 | mask |= CRYPTO_ALG_TYPE_MASK; | |
1024 | ||
1025 | return crypto_has_alg(alg_name, type, mask); | |
1026 | } | |
1027 | ||
f28776a3 HX |
1028 | static inline struct cipher_tfm *crypto_cipher_crt(struct crypto_cipher *tfm) |
1029 | { | |
1030 | return &crypto_cipher_tfm(tfm)->crt_cipher; | |
1031 | } | |
1032 | ||
1033 | static inline unsigned int crypto_cipher_blocksize(struct crypto_cipher *tfm) | |
1034 | { | |
1035 | return crypto_tfm_alg_blocksize(crypto_cipher_tfm(tfm)); | |
1036 | } | |
1037 | ||
1038 | static inline unsigned int crypto_cipher_alignmask(struct crypto_cipher *tfm) | |
1039 | { | |
1040 | return crypto_tfm_alg_alignmask(crypto_cipher_tfm(tfm)); | |
1041 | } | |
1042 | ||
1043 | static inline u32 crypto_cipher_get_flags(struct crypto_cipher *tfm) | |
1044 | { | |
1045 | return crypto_tfm_get_flags(crypto_cipher_tfm(tfm)); | |
1046 | } | |
1047 | ||
1048 | static inline void crypto_cipher_set_flags(struct crypto_cipher *tfm, | |
1049 | u32 flags) | |
1050 | { | |
1051 | crypto_tfm_set_flags(crypto_cipher_tfm(tfm), flags); | |
1052 | } | |
1053 | ||
1054 | static inline void crypto_cipher_clear_flags(struct crypto_cipher *tfm, | |
1055 | u32 flags) | |
1056 | { | |
1057 | crypto_tfm_clear_flags(crypto_cipher_tfm(tfm), flags); | |
1058 | } | |
1059 | ||
7226bc87 HX |
1060 | static inline int crypto_cipher_setkey(struct crypto_cipher *tfm, |
1061 | const u8 *key, unsigned int keylen) | |
1062 | { | |
1063 | return crypto_cipher_crt(tfm)->cit_setkey(crypto_cipher_tfm(tfm), | |
1064 | key, keylen); | |
1065 | } | |
1066 | ||
f28776a3 HX |
1067 | static inline void crypto_cipher_encrypt_one(struct crypto_cipher *tfm, |
1068 | u8 *dst, const u8 *src) | |
1069 | { | |
1070 | crypto_cipher_crt(tfm)->cit_encrypt_one(crypto_cipher_tfm(tfm), | |
1071 | dst, src); | |
1072 | } | |
1073 | ||
1074 | static inline void crypto_cipher_decrypt_one(struct crypto_cipher *tfm, | |
1075 | u8 *dst, const u8 *src) | |
1076 | { | |
1077 | crypto_cipher_crt(tfm)->cit_decrypt_one(crypto_cipher_tfm(tfm), | |
1078 | dst, src); | |
1079 | } | |
1080 | ||
055bcee3 | 1081 | static inline struct crypto_hash *__crypto_hash_cast(struct crypto_tfm *tfm) |
1da177e4 | 1082 | { |
055bcee3 | 1083 | return (struct crypto_hash *)tfm; |
1da177e4 LT |
1084 | } |
1085 | ||
055bcee3 | 1086 | static inline struct crypto_hash *crypto_hash_cast(struct crypto_tfm *tfm) |
1da177e4 | 1087 | { |
055bcee3 HX |
1088 | BUG_ON((crypto_tfm_alg_type(tfm) ^ CRYPTO_ALG_TYPE_HASH) & |
1089 | CRYPTO_ALG_TYPE_HASH_MASK); | |
1090 | return __crypto_hash_cast(tfm); | |
1da177e4 LT |
1091 | } |
1092 | ||
055bcee3 HX |
1093 | static inline struct crypto_hash *crypto_alloc_hash(const char *alg_name, |
1094 | u32 type, u32 mask) | |
1da177e4 | 1095 | { |
055bcee3 | 1096 | type &= ~CRYPTO_ALG_TYPE_MASK; |
551a09a7 | 1097 | mask &= ~CRYPTO_ALG_TYPE_MASK; |
055bcee3 HX |
1098 | type |= CRYPTO_ALG_TYPE_HASH; |
1099 | mask |= CRYPTO_ALG_TYPE_HASH_MASK; | |
1100 | ||
1101 | return __crypto_hash_cast(crypto_alloc_base(alg_name, type, mask)); | |
1da177e4 LT |
1102 | } |
1103 | ||
055bcee3 | 1104 | static inline struct crypto_tfm *crypto_hash_tfm(struct crypto_hash *tfm) |
1da177e4 | 1105 | { |
055bcee3 HX |
1106 | return &tfm->base; |
1107 | } | |
1108 | ||
1109 | static inline void crypto_free_hash(struct crypto_hash *tfm) | |
1110 | { | |
1111 | crypto_free_tfm(crypto_hash_tfm(tfm)); | |
1112 | } | |
1113 | ||
fce32d70 HX |
1114 | static inline int crypto_has_hash(const char *alg_name, u32 type, u32 mask) |
1115 | { | |
1116 | type &= ~CRYPTO_ALG_TYPE_MASK; | |
551a09a7 | 1117 | mask &= ~CRYPTO_ALG_TYPE_MASK; |
fce32d70 HX |
1118 | type |= CRYPTO_ALG_TYPE_HASH; |
1119 | mask |= CRYPTO_ALG_TYPE_HASH_MASK; | |
1120 | ||
1121 | return crypto_has_alg(alg_name, type, mask); | |
1122 | } | |
1123 | ||
055bcee3 HX |
1124 | static inline struct hash_tfm *crypto_hash_crt(struct crypto_hash *tfm) |
1125 | { | |
1126 | return &crypto_hash_tfm(tfm)->crt_hash; | |
1127 | } | |
1128 | ||
1129 | static inline unsigned int crypto_hash_blocksize(struct crypto_hash *tfm) | |
1130 | { | |
1131 | return crypto_tfm_alg_blocksize(crypto_hash_tfm(tfm)); | |
1132 | } | |
1133 | ||
1134 | static inline unsigned int crypto_hash_alignmask(struct crypto_hash *tfm) | |
1135 | { | |
1136 | return crypto_tfm_alg_alignmask(crypto_hash_tfm(tfm)); | |
1137 | } | |
1138 | ||
1139 | static inline unsigned int crypto_hash_digestsize(struct crypto_hash *tfm) | |
1140 | { | |
1141 | return crypto_hash_crt(tfm)->digestsize; | |
1142 | } | |
1143 | ||
1144 | static inline u32 crypto_hash_get_flags(struct crypto_hash *tfm) | |
1145 | { | |
1146 | return crypto_tfm_get_flags(crypto_hash_tfm(tfm)); | |
1147 | } | |
1148 | ||
1149 | static inline void crypto_hash_set_flags(struct crypto_hash *tfm, u32 flags) | |
1150 | { | |
1151 | crypto_tfm_set_flags(crypto_hash_tfm(tfm), flags); | |
1152 | } | |
1153 | ||
1154 | static inline void crypto_hash_clear_flags(struct crypto_hash *tfm, u32 flags) | |
1155 | { | |
1156 | crypto_tfm_clear_flags(crypto_hash_tfm(tfm), flags); | |
1157 | } | |
1158 | ||
1159 | static inline int crypto_hash_init(struct hash_desc *desc) | |
1160 | { | |
1161 | return crypto_hash_crt(desc->tfm)->init(desc); | |
1162 | } | |
1163 | ||
1164 | static inline int crypto_hash_update(struct hash_desc *desc, | |
1165 | struct scatterlist *sg, | |
1166 | unsigned int nbytes) | |
1167 | { | |
1168 | return crypto_hash_crt(desc->tfm)->update(desc, sg, nbytes); | |
1169 | } | |
1170 | ||
1171 | static inline int crypto_hash_final(struct hash_desc *desc, u8 *out) | |
1172 | { | |
1173 | return crypto_hash_crt(desc->tfm)->final(desc, out); | |
1174 | } | |
1175 | ||
1176 | static inline int crypto_hash_digest(struct hash_desc *desc, | |
1177 | struct scatterlist *sg, | |
1178 | unsigned int nbytes, u8 *out) | |
1179 | { | |
1180 | return crypto_hash_crt(desc->tfm)->digest(desc, sg, nbytes, out); | |
1181 | } | |
1182 | ||
1183 | static inline int crypto_hash_setkey(struct crypto_hash *hash, | |
1184 | const u8 *key, unsigned int keylen) | |
1185 | { | |
1186 | return crypto_hash_crt(hash)->setkey(hash, key, keylen); | |
1da177e4 LT |
1187 | } |
1188 | ||
fce32d70 HX |
1189 | static inline struct crypto_comp *__crypto_comp_cast(struct crypto_tfm *tfm) |
1190 | { | |
1191 | return (struct crypto_comp *)tfm; | |
1192 | } | |
1193 | ||
1194 | static inline struct crypto_comp *crypto_comp_cast(struct crypto_tfm *tfm) | |
1195 | { | |
1196 | BUG_ON((crypto_tfm_alg_type(tfm) ^ CRYPTO_ALG_TYPE_COMPRESS) & | |
1197 | CRYPTO_ALG_TYPE_MASK); | |
1198 | return __crypto_comp_cast(tfm); | |
1199 | } | |
1200 | ||
1201 | static inline struct crypto_comp *crypto_alloc_comp(const char *alg_name, | |
1202 | u32 type, u32 mask) | |
1203 | { | |
1204 | type &= ~CRYPTO_ALG_TYPE_MASK; | |
1205 | type |= CRYPTO_ALG_TYPE_COMPRESS; | |
1206 | mask |= CRYPTO_ALG_TYPE_MASK; | |
1207 | ||
1208 | return __crypto_comp_cast(crypto_alloc_base(alg_name, type, mask)); | |
1209 | } | |
1210 | ||
1211 | static inline struct crypto_tfm *crypto_comp_tfm(struct crypto_comp *tfm) | |
1212 | { | |
78a1fe4f | 1213 | return &tfm->base; |
fce32d70 HX |
1214 | } |
1215 | ||
1216 | static inline void crypto_free_comp(struct crypto_comp *tfm) | |
1217 | { | |
1218 | crypto_free_tfm(crypto_comp_tfm(tfm)); | |
1219 | } | |
1220 | ||
1221 | static inline int crypto_has_comp(const char *alg_name, u32 type, u32 mask) | |
1222 | { | |
1223 | type &= ~CRYPTO_ALG_TYPE_MASK; | |
1224 | type |= CRYPTO_ALG_TYPE_COMPRESS; | |
1225 | mask |= CRYPTO_ALG_TYPE_MASK; | |
1226 | ||
1227 | return crypto_has_alg(alg_name, type, mask); | |
1228 | } | |
1229 | ||
e4d5b79c HX |
1230 | static inline const char *crypto_comp_name(struct crypto_comp *tfm) |
1231 | { | |
1232 | return crypto_tfm_alg_name(crypto_comp_tfm(tfm)); | |
1233 | } | |
1234 | ||
fce32d70 HX |
1235 | static inline struct compress_tfm *crypto_comp_crt(struct crypto_comp *tfm) |
1236 | { | |
1237 | return &crypto_comp_tfm(tfm)->crt_compress; | |
1238 | } | |
1239 | ||
1240 | static inline int crypto_comp_compress(struct crypto_comp *tfm, | |
1da177e4 LT |
1241 | const u8 *src, unsigned int slen, |
1242 | u8 *dst, unsigned int *dlen) | |
1243 | { | |
78a1fe4f HX |
1244 | return crypto_comp_crt(tfm)->cot_compress(crypto_comp_tfm(tfm), |
1245 | src, slen, dst, dlen); | |
1da177e4 LT |
1246 | } |
1247 | ||
fce32d70 | 1248 | static inline int crypto_comp_decompress(struct crypto_comp *tfm, |
1da177e4 LT |
1249 | const u8 *src, unsigned int slen, |
1250 | u8 *dst, unsigned int *dlen) | |
1251 | { | |
78a1fe4f HX |
1252 | return crypto_comp_crt(tfm)->cot_decompress(crypto_comp_tfm(tfm), |
1253 | src, slen, dst, dlen); | |
1da177e4 LT |
1254 | } |
1255 | ||
1da177e4 LT |
1256 | #endif /* _LINUX_CRYPTO_H */ |
1257 |