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