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 | |
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 | ||
531 | static inline struct crypto_ablkcipher *crypto_alloc_ablkcipher( | |
532 | const char *alg_name, u32 type, u32 mask) | |
533 | { | |
534 | type &= ~CRYPTO_ALG_TYPE_MASK; | |
551a09a7 | 535 | mask &= ~CRYPTO_ALG_TYPE_MASK; |
32e3983f | 536 | type |= CRYPTO_ALG_TYPE_BLKCIPHER; |
332f8840 | 537 | mask |= CRYPTO_ALG_TYPE_BLKCIPHER_MASK; |
32e3983f HX |
538 | |
539 | return __crypto_ablkcipher_cast( | |
540 | crypto_alloc_base(alg_name, type, mask)); | |
541 | } | |
542 | ||
543 | static inline struct crypto_tfm *crypto_ablkcipher_tfm( | |
544 | struct crypto_ablkcipher *tfm) | |
545 | { | |
546 | return &tfm->base; | |
547 | } | |
548 | ||
549 | static inline void crypto_free_ablkcipher(struct crypto_ablkcipher *tfm) | |
550 | { | |
551 | crypto_free_tfm(crypto_ablkcipher_tfm(tfm)); | |
552 | } | |
553 | ||
554 | static inline int crypto_has_ablkcipher(const char *alg_name, u32 type, | |
555 | u32 mask) | |
556 | { | |
557 | type &= ~CRYPTO_ALG_TYPE_MASK; | |
551a09a7 | 558 | mask &= ~CRYPTO_ALG_TYPE_MASK; |
32e3983f | 559 | type |= CRYPTO_ALG_TYPE_BLKCIPHER; |
332f8840 | 560 | mask |= CRYPTO_ALG_TYPE_BLKCIPHER_MASK; |
32e3983f HX |
561 | |
562 | return crypto_has_alg(alg_name, type, mask); | |
563 | } | |
564 | ||
565 | static inline struct ablkcipher_tfm *crypto_ablkcipher_crt( | |
566 | struct crypto_ablkcipher *tfm) | |
567 | { | |
568 | return &crypto_ablkcipher_tfm(tfm)->crt_ablkcipher; | |
569 | } | |
570 | ||
571 | static inline unsigned int crypto_ablkcipher_ivsize( | |
572 | struct crypto_ablkcipher *tfm) | |
573 | { | |
574 | return crypto_ablkcipher_crt(tfm)->ivsize; | |
575 | } | |
576 | ||
577 | static inline unsigned int crypto_ablkcipher_blocksize( | |
578 | struct crypto_ablkcipher *tfm) | |
579 | { | |
580 | return crypto_tfm_alg_blocksize(crypto_ablkcipher_tfm(tfm)); | |
581 | } | |
582 | ||
583 | static inline unsigned int crypto_ablkcipher_alignmask( | |
584 | struct crypto_ablkcipher *tfm) | |
585 | { | |
586 | return crypto_tfm_alg_alignmask(crypto_ablkcipher_tfm(tfm)); | |
587 | } | |
588 | ||
589 | static inline u32 crypto_ablkcipher_get_flags(struct crypto_ablkcipher *tfm) | |
590 | { | |
591 | return crypto_tfm_get_flags(crypto_ablkcipher_tfm(tfm)); | |
592 | } | |
593 | ||
594 | static inline void crypto_ablkcipher_set_flags(struct crypto_ablkcipher *tfm, | |
595 | u32 flags) | |
596 | { | |
597 | crypto_tfm_set_flags(crypto_ablkcipher_tfm(tfm), flags); | |
598 | } | |
599 | ||
600 | static inline void crypto_ablkcipher_clear_flags(struct crypto_ablkcipher *tfm, | |
601 | u32 flags) | |
602 | { | |
603 | crypto_tfm_clear_flags(crypto_ablkcipher_tfm(tfm), flags); | |
604 | } | |
605 | ||
606 | static inline int crypto_ablkcipher_setkey(struct crypto_ablkcipher *tfm, | |
607 | const u8 *key, unsigned int keylen) | |
608 | { | |
609 | return crypto_ablkcipher_crt(tfm)->setkey(tfm, key, keylen); | |
610 | } | |
611 | ||
612 | static inline struct crypto_ablkcipher *crypto_ablkcipher_reqtfm( | |
613 | struct ablkcipher_request *req) | |
614 | { | |
615 | return __crypto_ablkcipher_cast(req->base.tfm); | |
616 | } | |
617 | ||
618 | static inline int crypto_ablkcipher_encrypt(struct ablkcipher_request *req) | |
619 | { | |
620 | struct ablkcipher_tfm *crt = | |
621 | crypto_ablkcipher_crt(crypto_ablkcipher_reqtfm(req)); | |
622 | return crt->encrypt(req); | |
623 | } | |
624 | ||
625 | static inline int crypto_ablkcipher_decrypt(struct ablkcipher_request *req) | |
626 | { | |
627 | struct ablkcipher_tfm *crt = | |
628 | crypto_ablkcipher_crt(crypto_ablkcipher_reqtfm(req)); | |
629 | return crt->decrypt(req); | |
630 | } | |
631 | ||
b16c3a2e HX |
632 | static inline unsigned int crypto_ablkcipher_reqsize( |
633 | struct crypto_ablkcipher *tfm) | |
32e3983f HX |
634 | { |
635 | return crypto_ablkcipher_crt(tfm)->reqsize; | |
636 | } | |
637 | ||
e196d625 HX |
638 | static inline void ablkcipher_request_set_tfm( |
639 | struct ablkcipher_request *req, struct crypto_ablkcipher *tfm) | |
640 | { | |
641 | req->base.tfm = crypto_ablkcipher_tfm(tfm); | |
642 | } | |
643 | ||
b5b7f088 HX |
644 | static inline struct ablkcipher_request *ablkcipher_request_cast( |
645 | struct crypto_async_request *req) | |
646 | { | |
647 | return container_of(req, struct ablkcipher_request, base); | |
648 | } | |
649 | ||
32e3983f HX |
650 | static inline struct ablkcipher_request *ablkcipher_request_alloc( |
651 | struct crypto_ablkcipher *tfm, gfp_t gfp) | |
652 | { | |
653 | struct ablkcipher_request *req; | |
654 | ||
655 | req = kmalloc(sizeof(struct ablkcipher_request) + | |
656 | crypto_ablkcipher_reqsize(tfm), gfp); | |
657 | ||
658 | if (likely(req)) | |
e196d625 | 659 | ablkcipher_request_set_tfm(req, tfm); |
32e3983f HX |
660 | |
661 | return req; | |
662 | } | |
663 | ||
664 | static inline void ablkcipher_request_free(struct ablkcipher_request *req) | |
665 | { | |
666 | kfree(req); | |
667 | } | |
668 | ||
669 | static inline void ablkcipher_request_set_callback( | |
670 | struct ablkcipher_request *req, | |
671 | u32 flags, crypto_completion_t complete, void *data) | |
672 | { | |
673 | req->base.complete = complete; | |
674 | req->base.data = data; | |
675 | req->base.flags = flags; | |
676 | } | |
677 | ||
678 | static inline void ablkcipher_request_set_crypt( | |
679 | struct ablkcipher_request *req, | |
680 | struct scatterlist *src, struct scatterlist *dst, | |
681 | unsigned int nbytes, void *iv) | |
682 | { | |
683 | req->src = src; | |
684 | req->dst = dst; | |
685 | req->nbytes = nbytes; | |
686 | req->info = iv; | |
687 | } | |
688 | ||
1ae97820 HX |
689 | static inline struct crypto_aead *__crypto_aead_cast(struct crypto_tfm *tfm) |
690 | { | |
691 | return (struct crypto_aead *)tfm; | |
692 | } | |
693 | ||
694 | static inline struct crypto_aead *crypto_alloc_aead(const char *alg_name, | |
695 | u32 type, u32 mask) | |
696 | { | |
697 | type &= ~CRYPTO_ALG_TYPE_MASK; | |
698 | type |= CRYPTO_ALG_TYPE_AEAD; | |
699 | mask |= CRYPTO_ALG_TYPE_MASK; | |
700 | ||
701 | return __crypto_aead_cast(crypto_alloc_base(alg_name, type, mask)); | |
702 | } | |
703 | ||
704 | static inline struct crypto_tfm *crypto_aead_tfm(struct crypto_aead *tfm) | |
705 | { | |
706 | return &tfm->base; | |
707 | } | |
708 | ||
709 | static inline void crypto_free_aead(struct crypto_aead *tfm) | |
710 | { | |
711 | crypto_free_tfm(crypto_aead_tfm(tfm)); | |
712 | } | |
713 | ||
714 | static inline struct aead_tfm *crypto_aead_crt(struct crypto_aead *tfm) | |
715 | { | |
716 | return &crypto_aead_tfm(tfm)->crt_aead; | |
717 | } | |
718 | ||
719 | static inline unsigned int crypto_aead_ivsize(struct crypto_aead *tfm) | |
720 | { | |
721 | return crypto_aead_crt(tfm)->ivsize; | |
722 | } | |
723 | ||
724 | static inline unsigned int crypto_aead_authsize(struct crypto_aead *tfm) | |
725 | { | |
726 | return crypto_aead_crt(tfm)->authsize; | |
727 | } | |
728 | ||
729 | static inline unsigned int crypto_aead_blocksize(struct crypto_aead *tfm) | |
730 | { | |
731 | return crypto_tfm_alg_blocksize(crypto_aead_tfm(tfm)); | |
732 | } | |
733 | ||
734 | static inline unsigned int crypto_aead_alignmask(struct crypto_aead *tfm) | |
735 | { | |
736 | return crypto_tfm_alg_alignmask(crypto_aead_tfm(tfm)); | |
737 | } | |
738 | ||
739 | static inline u32 crypto_aead_get_flags(struct crypto_aead *tfm) | |
740 | { | |
741 | return crypto_tfm_get_flags(crypto_aead_tfm(tfm)); | |
742 | } | |
743 | ||
744 | static inline void crypto_aead_set_flags(struct crypto_aead *tfm, u32 flags) | |
745 | { | |
746 | crypto_tfm_set_flags(crypto_aead_tfm(tfm), flags); | |
747 | } | |
748 | ||
749 | static inline void crypto_aead_clear_flags(struct crypto_aead *tfm, u32 flags) | |
750 | { | |
751 | crypto_tfm_clear_flags(crypto_aead_tfm(tfm), flags); | |
752 | } | |
753 | ||
754 | static inline int crypto_aead_setkey(struct crypto_aead *tfm, const u8 *key, | |
755 | unsigned int keylen) | |
756 | { | |
757 | return crypto_aead_crt(tfm)->setkey(tfm, key, keylen); | |
758 | } | |
759 | ||
7ba683a6 HX |
760 | int crypto_aead_setauthsize(struct crypto_aead *tfm, unsigned int authsize); |
761 | ||
1ae97820 HX |
762 | static inline struct crypto_aead *crypto_aead_reqtfm(struct aead_request *req) |
763 | { | |
764 | return __crypto_aead_cast(req->base.tfm); | |
765 | } | |
766 | ||
767 | static inline int crypto_aead_encrypt(struct aead_request *req) | |
768 | { | |
769 | return crypto_aead_crt(crypto_aead_reqtfm(req))->encrypt(req); | |
770 | } | |
771 | ||
772 | static inline int crypto_aead_decrypt(struct aead_request *req) | |
773 | { | |
774 | return crypto_aead_crt(crypto_aead_reqtfm(req))->decrypt(req); | |
775 | } | |
776 | ||
b16c3a2e | 777 | static inline unsigned int crypto_aead_reqsize(struct crypto_aead *tfm) |
1ae97820 HX |
778 | { |
779 | return crypto_aead_crt(tfm)->reqsize; | |
780 | } | |
781 | ||
782 | static inline void aead_request_set_tfm(struct aead_request *req, | |
783 | struct crypto_aead *tfm) | |
784 | { | |
785 | req->base.tfm = crypto_aead_tfm(tfm); | |
786 | } | |
787 | ||
788 | static inline struct aead_request *aead_request_alloc(struct crypto_aead *tfm, | |
789 | gfp_t gfp) | |
790 | { | |
791 | struct aead_request *req; | |
792 | ||
793 | req = kmalloc(sizeof(*req) + crypto_aead_reqsize(tfm), gfp); | |
794 | ||
795 | if (likely(req)) | |
796 | aead_request_set_tfm(req, tfm); | |
797 | ||
798 | return req; | |
799 | } | |
800 | ||
801 | static inline void aead_request_free(struct aead_request *req) | |
802 | { | |
803 | kfree(req); | |
804 | } | |
805 | ||
806 | static inline void aead_request_set_callback(struct aead_request *req, | |
807 | u32 flags, | |
808 | crypto_completion_t complete, | |
809 | void *data) | |
810 | { | |
811 | req->base.complete = complete; | |
812 | req->base.data = data; | |
813 | req->base.flags = flags; | |
814 | } | |
815 | ||
816 | static inline void aead_request_set_crypt(struct aead_request *req, | |
817 | struct scatterlist *src, | |
818 | struct scatterlist *dst, | |
819 | unsigned int cryptlen, u8 *iv) | |
820 | { | |
821 | req->src = src; | |
822 | req->dst = dst; | |
823 | req->cryptlen = cryptlen; | |
824 | req->iv = iv; | |
825 | } | |
826 | ||
827 | static inline void aead_request_set_assoc(struct aead_request *req, | |
828 | struct scatterlist *assoc, | |
829 | unsigned int assoclen) | |
830 | { | |
831 | req->assoc = assoc; | |
832 | req->assoclen = assoclen; | |
833 | } | |
834 | ||
5cde0af2 HX |
835 | static inline struct crypto_blkcipher *__crypto_blkcipher_cast( |
836 | struct crypto_tfm *tfm) | |
837 | { | |
838 | return (struct crypto_blkcipher *)tfm; | |
839 | } | |
840 | ||
841 | static inline struct crypto_blkcipher *crypto_blkcipher_cast( | |
842 | struct crypto_tfm *tfm) | |
843 | { | |
844 | BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_BLKCIPHER); | |
845 | return __crypto_blkcipher_cast(tfm); | |
846 | } | |
847 | ||
848 | static inline struct crypto_blkcipher *crypto_alloc_blkcipher( | |
849 | const char *alg_name, u32 type, u32 mask) | |
850 | { | |
332f8840 | 851 | type &= ~CRYPTO_ALG_TYPE_MASK; |
5cde0af2 | 852 | type |= CRYPTO_ALG_TYPE_BLKCIPHER; |
332f8840 | 853 | mask |= CRYPTO_ALG_TYPE_MASK; |
5cde0af2 HX |
854 | |
855 | return __crypto_blkcipher_cast(crypto_alloc_base(alg_name, type, mask)); | |
856 | } | |
857 | ||
858 | static inline struct crypto_tfm *crypto_blkcipher_tfm( | |
859 | struct crypto_blkcipher *tfm) | |
860 | { | |
861 | return &tfm->base; | |
862 | } | |
863 | ||
864 | static inline void crypto_free_blkcipher(struct crypto_blkcipher *tfm) | |
865 | { | |
866 | crypto_free_tfm(crypto_blkcipher_tfm(tfm)); | |
867 | } | |
868 | ||
fce32d70 HX |
869 | static inline int crypto_has_blkcipher(const char *alg_name, u32 type, u32 mask) |
870 | { | |
332f8840 | 871 | type &= ~CRYPTO_ALG_TYPE_MASK; |
fce32d70 | 872 | type |= CRYPTO_ALG_TYPE_BLKCIPHER; |
332f8840 | 873 | mask |= CRYPTO_ALG_TYPE_MASK; |
fce32d70 HX |
874 | |
875 | return crypto_has_alg(alg_name, type, mask); | |
876 | } | |
877 | ||
5cde0af2 HX |
878 | static inline const char *crypto_blkcipher_name(struct crypto_blkcipher *tfm) |
879 | { | |
880 | return crypto_tfm_alg_name(crypto_blkcipher_tfm(tfm)); | |
881 | } | |
882 | ||
883 | static inline struct blkcipher_tfm *crypto_blkcipher_crt( | |
884 | struct crypto_blkcipher *tfm) | |
885 | { | |
886 | return &crypto_blkcipher_tfm(tfm)->crt_blkcipher; | |
887 | } | |
888 | ||
889 | static inline struct blkcipher_alg *crypto_blkcipher_alg( | |
890 | struct crypto_blkcipher *tfm) | |
891 | { | |
892 | return &crypto_blkcipher_tfm(tfm)->__crt_alg->cra_blkcipher; | |
893 | } | |
894 | ||
895 | static inline unsigned int crypto_blkcipher_ivsize(struct crypto_blkcipher *tfm) | |
896 | { | |
897 | return crypto_blkcipher_alg(tfm)->ivsize; | |
898 | } | |
899 | ||
900 | static inline unsigned int crypto_blkcipher_blocksize( | |
901 | struct crypto_blkcipher *tfm) | |
902 | { | |
903 | return crypto_tfm_alg_blocksize(crypto_blkcipher_tfm(tfm)); | |
904 | } | |
905 | ||
906 | static inline unsigned int crypto_blkcipher_alignmask( | |
907 | struct crypto_blkcipher *tfm) | |
908 | { | |
909 | return crypto_tfm_alg_alignmask(crypto_blkcipher_tfm(tfm)); | |
910 | } | |
911 | ||
912 | static inline u32 crypto_blkcipher_get_flags(struct crypto_blkcipher *tfm) | |
913 | { | |
914 | return crypto_tfm_get_flags(crypto_blkcipher_tfm(tfm)); | |
915 | } | |
916 | ||
917 | static inline void crypto_blkcipher_set_flags(struct crypto_blkcipher *tfm, | |
918 | u32 flags) | |
919 | { | |
920 | crypto_tfm_set_flags(crypto_blkcipher_tfm(tfm), flags); | |
921 | } | |
922 | ||
923 | static inline void crypto_blkcipher_clear_flags(struct crypto_blkcipher *tfm, | |
924 | u32 flags) | |
925 | { | |
926 | crypto_tfm_clear_flags(crypto_blkcipher_tfm(tfm), flags); | |
927 | } | |
928 | ||
929 | static inline int crypto_blkcipher_setkey(struct crypto_blkcipher *tfm, | |
930 | const u8 *key, unsigned int keylen) | |
931 | { | |
932 | return crypto_blkcipher_crt(tfm)->setkey(crypto_blkcipher_tfm(tfm), | |
933 | key, keylen); | |
934 | } | |
935 | ||
936 | static inline int crypto_blkcipher_encrypt(struct blkcipher_desc *desc, | |
937 | struct scatterlist *dst, | |
938 | struct scatterlist *src, | |
939 | unsigned int nbytes) | |
940 | { | |
941 | desc->info = crypto_blkcipher_crt(desc->tfm)->iv; | |
942 | return crypto_blkcipher_crt(desc->tfm)->encrypt(desc, dst, src, nbytes); | |
943 | } | |
944 | ||
945 | static inline int crypto_blkcipher_encrypt_iv(struct blkcipher_desc *desc, | |
946 | struct scatterlist *dst, | |
947 | struct scatterlist *src, | |
948 | unsigned int nbytes) | |
949 | { | |
950 | return crypto_blkcipher_crt(desc->tfm)->encrypt(desc, dst, src, nbytes); | |
951 | } | |
952 | ||
953 | static inline int crypto_blkcipher_decrypt(struct blkcipher_desc *desc, | |
954 | struct scatterlist *dst, | |
955 | struct scatterlist *src, | |
956 | unsigned int nbytes) | |
957 | { | |
958 | desc->info = crypto_blkcipher_crt(desc->tfm)->iv; | |
959 | return crypto_blkcipher_crt(desc->tfm)->decrypt(desc, dst, src, nbytes); | |
960 | } | |
961 | ||
962 | static inline int crypto_blkcipher_decrypt_iv(struct blkcipher_desc *desc, | |
963 | struct scatterlist *dst, | |
964 | struct scatterlist *src, | |
965 | unsigned int nbytes) | |
966 | { | |
967 | return crypto_blkcipher_crt(desc->tfm)->decrypt(desc, dst, src, nbytes); | |
968 | } | |
969 | ||
970 | static inline void crypto_blkcipher_set_iv(struct crypto_blkcipher *tfm, | |
971 | const u8 *src, unsigned int len) | |
972 | { | |
973 | memcpy(crypto_blkcipher_crt(tfm)->iv, src, len); | |
974 | } | |
975 | ||
976 | static inline void crypto_blkcipher_get_iv(struct crypto_blkcipher *tfm, | |
977 | u8 *dst, unsigned int len) | |
978 | { | |
979 | memcpy(dst, crypto_blkcipher_crt(tfm)->iv, len); | |
980 | } | |
981 | ||
f28776a3 HX |
982 | static inline struct crypto_cipher *__crypto_cipher_cast(struct crypto_tfm *tfm) |
983 | { | |
984 | return (struct crypto_cipher *)tfm; | |
985 | } | |
986 | ||
987 | static inline struct crypto_cipher *crypto_cipher_cast(struct crypto_tfm *tfm) | |
988 | { | |
989 | BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_CIPHER); | |
990 | return __crypto_cipher_cast(tfm); | |
991 | } | |
992 | ||
993 | static inline struct crypto_cipher *crypto_alloc_cipher(const char *alg_name, | |
994 | u32 type, u32 mask) | |
995 | { | |
996 | type &= ~CRYPTO_ALG_TYPE_MASK; | |
997 | type |= CRYPTO_ALG_TYPE_CIPHER; | |
998 | mask |= CRYPTO_ALG_TYPE_MASK; | |
999 | ||
1000 | return __crypto_cipher_cast(crypto_alloc_base(alg_name, type, mask)); | |
1001 | } | |
1002 | ||
1003 | static inline struct crypto_tfm *crypto_cipher_tfm(struct crypto_cipher *tfm) | |
1004 | { | |
78a1fe4f | 1005 | return &tfm->base; |
f28776a3 HX |
1006 | } |
1007 | ||
1008 | static inline void crypto_free_cipher(struct crypto_cipher *tfm) | |
1009 | { | |
1010 | crypto_free_tfm(crypto_cipher_tfm(tfm)); | |
1011 | } | |
1012 | ||
fce32d70 HX |
1013 | static inline int crypto_has_cipher(const char *alg_name, u32 type, u32 mask) |
1014 | { | |
1015 | type &= ~CRYPTO_ALG_TYPE_MASK; | |
1016 | type |= CRYPTO_ALG_TYPE_CIPHER; | |
1017 | mask |= CRYPTO_ALG_TYPE_MASK; | |
1018 | ||
1019 | return crypto_has_alg(alg_name, type, mask); | |
1020 | } | |
1021 | ||
f28776a3 HX |
1022 | static inline struct cipher_tfm *crypto_cipher_crt(struct crypto_cipher *tfm) |
1023 | { | |
1024 | return &crypto_cipher_tfm(tfm)->crt_cipher; | |
1025 | } | |
1026 | ||
1027 | static inline unsigned int crypto_cipher_blocksize(struct crypto_cipher *tfm) | |
1028 | { | |
1029 | return crypto_tfm_alg_blocksize(crypto_cipher_tfm(tfm)); | |
1030 | } | |
1031 | ||
1032 | static inline unsigned int crypto_cipher_alignmask(struct crypto_cipher *tfm) | |
1033 | { | |
1034 | return crypto_tfm_alg_alignmask(crypto_cipher_tfm(tfm)); | |
1035 | } | |
1036 | ||
1037 | static inline u32 crypto_cipher_get_flags(struct crypto_cipher *tfm) | |
1038 | { | |
1039 | return crypto_tfm_get_flags(crypto_cipher_tfm(tfm)); | |
1040 | } | |
1041 | ||
1042 | static inline void crypto_cipher_set_flags(struct crypto_cipher *tfm, | |
1043 | u32 flags) | |
1044 | { | |
1045 | crypto_tfm_set_flags(crypto_cipher_tfm(tfm), flags); | |
1046 | } | |
1047 | ||
1048 | static inline void crypto_cipher_clear_flags(struct crypto_cipher *tfm, | |
1049 | u32 flags) | |
1050 | { | |
1051 | crypto_tfm_clear_flags(crypto_cipher_tfm(tfm), flags); | |
1052 | } | |
1053 | ||
7226bc87 HX |
1054 | static inline int crypto_cipher_setkey(struct crypto_cipher *tfm, |
1055 | const u8 *key, unsigned int keylen) | |
1056 | { | |
1057 | return crypto_cipher_crt(tfm)->cit_setkey(crypto_cipher_tfm(tfm), | |
1058 | key, keylen); | |
1059 | } | |
1060 | ||
f28776a3 HX |
1061 | static inline void crypto_cipher_encrypt_one(struct crypto_cipher *tfm, |
1062 | u8 *dst, const u8 *src) | |
1063 | { | |
1064 | crypto_cipher_crt(tfm)->cit_encrypt_one(crypto_cipher_tfm(tfm), | |
1065 | dst, src); | |
1066 | } | |
1067 | ||
1068 | static inline void crypto_cipher_decrypt_one(struct crypto_cipher *tfm, | |
1069 | u8 *dst, const u8 *src) | |
1070 | { | |
1071 | crypto_cipher_crt(tfm)->cit_decrypt_one(crypto_cipher_tfm(tfm), | |
1072 | dst, src); | |
1073 | } | |
1074 | ||
055bcee3 | 1075 | static inline struct crypto_hash *__crypto_hash_cast(struct crypto_tfm *tfm) |
1da177e4 | 1076 | { |
055bcee3 | 1077 | return (struct crypto_hash *)tfm; |
1da177e4 LT |
1078 | } |
1079 | ||
055bcee3 | 1080 | static inline struct crypto_hash *crypto_hash_cast(struct crypto_tfm *tfm) |
1da177e4 | 1081 | { |
055bcee3 HX |
1082 | BUG_ON((crypto_tfm_alg_type(tfm) ^ CRYPTO_ALG_TYPE_HASH) & |
1083 | CRYPTO_ALG_TYPE_HASH_MASK); | |
1084 | return __crypto_hash_cast(tfm); | |
1da177e4 LT |
1085 | } |
1086 | ||
055bcee3 HX |
1087 | static inline struct crypto_hash *crypto_alloc_hash(const char *alg_name, |
1088 | u32 type, u32 mask) | |
1da177e4 | 1089 | { |
055bcee3 | 1090 | type &= ~CRYPTO_ALG_TYPE_MASK; |
551a09a7 | 1091 | mask &= ~CRYPTO_ALG_TYPE_MASK; |
055bcee3 HX |
1092 | type |= CRYPTO_ALG_TYPE_HASH; |
1093 | mask |= CRYPTO_ALG_TYPE_HASH_MASK; | |
1094 | ||
1095 | return __crypto_hash_cast(crypto_alloc_base(alg_name, type, mask)); | |
1da177e4 LT |
1096 | } |
1097 | ||
055bcee3 | 1098 | static inline struct crypto_tfm *crypto_hash_tfm(struct crypto_hash *tfm) |
1da177e4 | 1099 | { |
055bcee3 HX |
1100 | return &tfm->base; |
1101 | } | |
1102 | ||
1103 | static inline void crypto_free_hash(struct crypto_hash *tfm) | |
1104 | { | |
1105 | crypto_free_tfm(crypto_hash_tfm(tfm)); | |
1106 | } | |
1107 | ||
fce32d70 HX |
1108 | static inline int crypto_has_hash(const char *alg_name, u32 type, u32 mask) |
1109 | { | |
1110 | type &= ~CRYPTO_ALG_TYPE_MASK; | |
551a09a7 | 1111 | mask &= ~CRYPTO_ALG_TYPE_MASK; |
fce32d70 HX |
1112 | type |= CRYPTO_ALG_TYPE_HASH; |
1113 | mask |= CRYPTO_ALG_TYPE_HASH_MASK; | |
1114 | ||
1115 | return crypto_has_alg(alg_name, type, mask); | |
1116 | } | |
1117 | ||
055bcee3 HX |
1118 | static inline struct hash_tfm *crypto_hash_crt(struct crypto_hash *tfm) |
1119 | { | |
1120 | return &crypto_hash_tfm(tfm)->crt_hash; | |
1121 | } | |
1122 | ||
1123 | static inline unsigned int crypto_hash_blocksize(struct crypto_hash *tfm) | |
1124 | { | |
1125 | return crypto_tfm_alg_blocksize(crypto_hash_tfm(tfm)); | |
1126 | } | |
1127 | ||
1128 | static inline unsigned int crypto_hash_alignmask(struct crypto_hash *tfm) | |
1129 | { | |
1130 | return crypto_tfm_alg_alignmask(crypto_hash_tfm(tfm)); | |
1131 | } | |
1132 | ||
1133 | static inline unsigned int crypto_hash_digestsize(struct crypto_hash *tfm) | |
1134 | { | |
1135 | return crypto_hash_crt(tfm)->digestsize; | |
1136 | } | |
1137 | ||
1138 | static inline u32 crypto_hash_get_flags(struct crypto_hash *tfm) | |
1139 | { | |
1140 | return crypto_tfm_get_flags(crypto_hash_tfm(tfm)); | |
1141 | } | |
1142 | ||
1143 | static inline void crypto_hash_set_flags(struct crypto_hash *tfm, u32 flags) | |
1144 | { | |
1145 | crypto_tfm_set_flags(crypto_hash_tfm(tfm), flags); | |
1146 | } | |
1147 | ||
1148 | static inline void crypto_hash_clear_flags(struct crypto_hash *tfm, u32 flags) | |
1149 | { | |
1150 | crypto_tfm_clear_flags(crypto_hash_tfm(tfm), flags); | |
1151 | } | |
1152 | ||
1153 | static inline int crypto_hash_init(struct hash_desc *desc) | |
1154 | { | |
1155 | return crypto_hash_crt(desc->tfm)->init(desc); | |
1156 | } | |
1157 | ||
1158 | static inline int crypto_hash_update(struct hash_desc *desc, | |
1159 | struct scatterlist *sg, | |
1160 | unsigned int nbytes) | |
1161 | { | |
1162 | return crypto_hash_crt(desc->tfm)->update(desc, sg, nbytes); | |
1163 | } | |
1164 | ||
1165 | static inline int crypto_hash_final(struct hash_desc *desc, u8 *out) | |
1166 | { | |
1167 | return crypto_hash_crt(desc->tfm)->final(desc, out); | |
1168 | } | |
1169 | ||
1170 | static inline int crypto_hash_digest(struct hash_desc *desc, | |
1171 | struct scatterlist *sg, | |
1172 | unsigned int nbytes, u8 *out) | |
1173 | { | |
1174 | return crypto_hash_crt(desc->tfm)->digest(desc, sg, nbytes, out); | |
1175 | } | |
1176 | ||
1177 | static inline int crypto_hash_setkey(struct crypto_hash *hash, | |
1178 | const u8 *key, unsigned int keylen) | |
1179 | { | |
1180 | return crypto_hash_crt(hash)->setkey(hash, key, keylen); | |
1da177e4 LT |
1181 | } |
1182 | ||
fce32d70 HX |
1183 | static inline struct crypto_comp *__crypto_comp_cast(struct crypto_tfm *tfm) |
1184 | { | |
1185 | return (struct crypto_comp *)tfm; | |
1186 | } | |
1187 | ||
1188 | static inline struct crypto_comp *crypto_comp_cast(struct crypto_tfm *tfm) | |
1189 | { | |
1190 | BUG_ON((crypto_tfm_alg_type(tfm) ^ CRYPTO_ALG_TYPE_COMPRESS) & | |
1191 | CRYPTO_ALG_TYPE_MASK); | |
1192 | return __crypto_comp_cast(tfm); | |
1193 | } | |
1194 | ||
1195 | static inline struct crypto_comp *crypto_alloc_comp(const char *alg_name, | |
1196 | u32 type, u32 mask) | |
1197 | { | |
1198 | type &= ~CRYPTO_ALG_TYPE_MASK; | |
1199 | type |= CRYPTO_ALG_TYPE_COMPRESS; | |
1200 | mask |= CRYPTO_ALG_TYPE_MASK; | |
1201 | ||
1202 | return __crypto_comp_cast(crypto_alloc_base(alg_name, type, mask)); | |
1203 | } | |
1204 | ||
1205 | static inline struct crypto_tfm *crypto_comp_tfm(struct crypto_comp *tfm) | |
1206 | { | |
78a1fe4f | 1207 | return &tfm->base; |
fce32d70 HX |
1208 | } |
1209 | ||
1210 | static inline void crypto_free_comp(struct crypto_comp *tfm) | |
1211 | { | |
1212 | crypto_free_tfm(crypto_comp_tfm(tfm)); | |
1213 | } | |
1214 | ||
1215 | static inline int crypto_has_comp(const char *alg_name, u32 type, u32 mask) | |
1216 | { | |
1217 | type &= ~CRYPTO_ALG_TYPE_MASK; | |
1218 | type |= CRYPTO_ALG_TYPE_COMPRESS; | |
1219 | mask |= CRYPTO_ALG_TYPE_MASK; | |
1220 | ||
1221 | return crypto_has_alg(alg_name, type, mask); | |
1222 | } | |
1223 | ||
e4d5b79c HX |
1224 | static inline const char *crypto_comp_name(struct crypto_comp *tfm) |
1225 | { | |
1226 | return crypto_tfm_alg_name(crypto_comp_tfm(tfm)); | |
1227 | } | |
1228 | ||
fce32d70 HX |
1229 | static inline struct compress_tfm *crypto_comp_crt(struct crypto_comp *tfm) |
1230 | { | |
1231 | return &crypto_comp_tfm(tfm)->crt_compress; | |
1232 | } | |
1233 | ||
1234 | static inline int crypto_comp_compress(struct crypto_comp *tfm, | |
1da177e4 LT |
1235 | const u8 *src, unsigned int slen, |
1236 | u8 *dst, unsigned int *dlen) | |
1237 | { | |
78a1fe4f HX |
1238 | return crypto_comp_crt(tfm)->cot_compress(crypto_comp_tfm(tfm), |
1239 | src, slen, dst, dlen); | |
1da177e4 LT |
1240 | } |
1241 | ||
fce32d70 | 1242 | static inline int crypto_comp_decompress(struct crypto_comp *tfm, |
1da177e4 LT |
1243 | const u8 *src, unsigned int slen, |
1244 | u8 *dst, unsigned int *dlen) | |
1245 | { | |
78a1fe4f HX |
1246 | return crypto_comp_crt(tfm)->cot_decompress(crypto_comp_tfm(tfm), |
1247 | src, slen, dst, dlen); | |
1da177e4 LT |
1248 | } |
1249 | ||
1da177e4 LT |
1250 | #endif /* _LINUX_CRYPTO_H */ |
1251 |