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 | 36 | #define CRYPTO_ALG_TYPE_ABLKCIPHER 0x00000005 |
61da88e2 | 37 | #define CRYPTO_ALG_TYPE_GIVCIPHER 0x00000006 |
332f8840 HX |
38 | #define CRYPTO_ALG_TYPE_COMPRESS 0x00000008 |
39 | #define CRYPTO_ALG_TYPE_AEAD 0x00000009 | |
055bcee3 HX |
40 | |
41 | #define CRYPTO_ALG_TYPE_HASH_MASK 0x0000000e | |
332f8840 | 42 | #define CRYPTO_ALG_TYPE_BLKCIPHER_MASK 0x0000000c |
1da177e4 | 43 | |
2825982d | 44 | #define CRYPTO_ALG_LARVAL 0x00000010 |
6bfd4809 HX |
45 | #define CRYPTO_ALG_DEAD 0x00000020 |
46 | #define CRYPTO_ALG_DYING 0x00000040 | |
f3f632d6 | 47 | #define CRYPTO_ALG_ASYNC 0x00000080 |
2825982d | 48 | |
6010439f HX |
49 | /* |
50 | * Set this bit if and only if the algorithm requires another algorithm of | |
51 | * the same type to handle corner cases. | |
52 | */ | |
53 | #define CRYPTO_ALG_NEED_FALLBACK 0x00000100 | |
54 | ||
ecfc4329 HX |
55 | /* |
56 | * This bit is set for symmetric key ciphers that have already been wrapped | |
57 | * with a generic IV generator to prevent them from being wrapped again. | |
58 | */ | |
59 | #define CRYPTO_ALG_GENIV 0x00000200 | |
60 | ||
1da177e4 LT |
61 | /* |
62 | * Transform masks and values (for crt_flags). | |
63 | */ | |
1da177e4 LT |
64 | #define CRYPTO_TFM_REQ_MASK 0x000fff00 |
65 | #define CRYPTO_TFM_RES_MASK 0xfff00000 | |
66 | ||
1da177e4 | 67 | #define CRYPTO_TFM_REQ_WEAK_KEY 0x00000100 |
64baf3cf | 68 | #define CRYPTO_TFM_REQ_MAY_SLEEP 0x00000200 |
32e3983f | 69 | #define CRYPTO_TFM_REQ_MAY_BACKLOG 0x00000400 |
1da177e4 LT |
70 | #define CRYPTO_TFM_RES_WEAK_KEY 0x00100000 |
71 | #define CRYPTO_TFM_RES_BAD_KEY_LEN 0x00200000 | |
72 | #define CRYPTO_TFM_RES_BAD_KEY_SCHED 0x00400000 | |
73 | #define CRYPTO_TFM_RES_BAD_BLOCK_LEN 0x00800000 | |
74 | #define CRYPTO_TFM_RES_BAD_FLAGS 0x01000000 | |
75 | ||
76 | /* | |
77 | * Miscellaneous stuff. | |
78 | */ | |
1da177e4 LT |
79 | #define CRYPTO_MAX_ALG_NAME 64 |
80 | ||
79911102 HX |
81 | /* |
82 | * The macro CRYPTO_MINALIGN_ATTR (along with the void * type in the actual | |
83 | * declaration) is used to ensure that the crypto_tfm context structure is | |
84 | * aligned correctly for the given architecture so that there are no alignment | |
85 | * faults for C data types. In particular, this is required on platforms such | |
86 | * as arm where pointers are 32-bit aligned but there are data types such as | |
87 | * u64 which require 64-bit alignment. | |
88 | */ | |
89 | #if defined(ARCH_KMALLOC_MINALIGN) | |
90 | #define CRYPTO_MINALIGN ARCH_KMALLOC_MINALIGN | |
91 | #elif defined(ARCH_SLAB_MINALIGN) | |
92 | #define CRYPTO_MINALIGN ARCH_SLAB_MINALIGN | |
93 | #endif | |
94 | ||
95 | #ifdef CRYPTO_MINALIGN | |
96 | #define CRYPTO_MINALIGN_ATTR __attribute__ ((__aligned__(CRYPTO_MINALIGN))) | |
97 | #else | |
98 | #define CRYPTO_MINALIGN_ATTR | |
99 | #endif | |
100 | ||
1da177e4 | 101 | struct scatterlist; |
32e3983f HX |
102 | struct crypto_ablkcipher; |
103 | struct crypto_async_request; | |
1ae97820 | 104 | struct crypto_aead; |
5cde0af2 | 105 | struct crypto_blkcipher; |
055bcee3 | 106 | struct crypto_hash; |
40725181 | 107 | struct crypto_tfm; |
e853c3cf | 108 | struct crypto_type; |
61da88e2 | 109 | struct skcipher_givcrypt_request; |
40725181 | 110 | |
32e3983f HX |
111 | typedef void (*crypto_completion_t)(struct crypto_async_request *req, int err); |
112 | ||
113 | struct crypto_async_request { | |
114 | struct list_head list; | |
115 | crypto_completion_t complete; | |
116 | void *data; | |
117 | struct crypto_tfm *tfm; | |
118 | ||
119 | u32 flags; | |
120 | }; | |
121 | ||
122 | struct ablkcipher_request { | |
123 | struct crypto_async_request base; | |
124 | ||
125 | unsigned int nbytes; | |
126 | ||
127 | void *info; | |
128 | ||
129 | struct scatterlist *src; | |
130 | struct scatterlist *dst; | |
131 | ||
132 | void *__ctx[] CRYPTO_MINALIGN_ATTR; | |
133 | }; | |
134 | ||
1ae97820 HX |
135 | /** |
136 | * struct aead_request - AEAD request | |
137 | * @base: Common attributes for async crypto requests | |
138 | * @assoclen: Length in bytes of associated data for authentication | |
139 | * @cryptlen: Length of data to be encrypted or decrypted | |
140 | * @iv: Initialisation vector | |
141 | * @assoc: Associated data | |
142 | * @src: Source data | |
143 | * @dst: Destination data | |
144 | * @__ctx: Start of private context data | |
145 | */ | |
146 | struct aead_request { | |
147 | struct crypto_async_request base; | |
148 | ||
149 | unsigned int assoclen; | |
150 | unsigned int cryptlen; | |
151 | ||
152 | u8 *iv; | |
153 | ||
154 | struct scatterlist *assoc; | |
155 | struct scatterlist *src; | |
156 | struct scatterlist *dst; | |
157 | ||
158 | void *__ctx[] CRYPTO_MINALIGN_ATTR; | |
159 | }; | |
160 | ||
5cde0af2 HX |
161 | struct blkcipher_desc { |
162 | struct crypto_blkcipher *tfm; | |
163 | void *info; | |
164 | u32 flags; | |
165 | }; | |
166 | ||
40725181 HX |
167 | struct cipher_desc { |
168 | struct crypto_tfm *tfm; | |
6c2bb98b | 169 | void (*crfn)(struct crypto_tfm *tfm, u8 *dst, const u8 *src); |
40725181 HX |
170 | unsigned int (*prfn)(const struct cipher_desc *desc, u8 *dst, |
171 | const u8 *src, unsigned int nbytes); | |
172 | void *info; | |
173 | }; | |
1da177e4 | 174 | |
055bcee3 HX |
175 | struct hash_desc { |
176 | struct crypto_hash *tfm; | |
177 | u32 flags; | |
178 | }; | |
179 | ||
1da177e4 LT |
180 | /* |
181 | * Algorithms: modular crypto algorithm implementations, managed | |
182 | * via crypto_register_alg() and crypto_unregister_alg(). | |
183 | */ | |
b5b7f088 HX |
184 | struct ablkcipher_alg { |
185 | int (*setkey)(struct crypto_ablkcipher *tfm, const u8 *key, | |
186 | unsigned int keylen); | |
187 | int (*encrypt)(struct ablkcipher_request *req); | |
188 | int (*decrypt)(struct ablkcipher_request *req); | |
61da88e2 HX |
189 | int (*givencrypt)(struct skcipher_givcrypt_request *req); |
190 | int (*givdecrypt)(struct skcipher_givcrypt_request *req); | |
b5b7f088 | 191 | |
23508e11 HX |
192 | const char *geniv; |
193 | ||
b5b7f088 HX |
194 | unsigned int min_keysize; |
195 | unsigned int max_keysize; | |
196 | unsigned int ivsize; | |
197 | }; | |
198 | ||
1ae97820 HX |
199 | struct aead_alg { |
200 | int (*setkey)(struct crypto_aead *tfm, const u8 *key, | |
201 | unsigned int keylen); | |
7ba683a6 | 202 | int (*setauthsize)(struct crypto_aead *tfm, unsigned int authsize); |
1ae97820 HX |
203 | int (*encrypt)(struct aead_request *req); |
204 | int (*decrypt)(struct aead_request *req); | |
205 | ||
206 | unsigned int ivsize; | |
7ba683a6 | 207 | unsigned int maxauthsize; |
1ae97820 HX |
208 | }; |
209 | ||
5cde0af2 HX |
210 | struct blkcipher_alg { |
211 | int (*setkey)(struct crypto_tfm *tfm, const u8 *key, | |
212 | unsigned int keylen); | |
213 | int (*encrypt)(struct blkcipher_desc *desc, | |
214 | struct scatterlist *dst, struct scatterlist *src, | |
215 | unsigned int nbytes); | |
216 | int (*decrypt)(struct blkcipher_desc *desc, | |
217 | struct scatterlist *dst, struct scatterlist *src, | |
218 | unsigned int nbytes); | |
219 | ||
23508e11 HX |
220 | const char *geniv; |
221 | ||
5cde0af2 HX |
222 | unsigned int min_keysize; |
223 | unsigned int max_keysize; | |
224 | unsigned int ivsize; | |
225 | }; | |
226 | ||
1da177e4 LT |
227 | struct cipher_alg { |
228 | unsigned int cia_min_keysize; | |
229 | unsigned int cia_max_keysize; | |
6c2bb98b | 230 | int (*cia_setkey)(struct crypto_tfm *tfm, const u8 *key, |
560c06ae | 231 | unsigned int keylen); |
6c2bb98b HX |
232 | void (*cia_encrypt)(struct crypto_tfm *tfm, u8 *dst, const u8 *src); |
233 | void (*cia_decrypt)(struct crypto_tfm *tfm, u8 *dst, const u8 *src); | |
1da177e4 LT |
234 | }; |
235 | ||
236 | struct digest_alg { | |
237 | unsigned int dia_digestsize; | |
6c2bb98b HX |
238 | void (*dia_init)(struct crypto_tfm *tfm); |
239 | void (*dia_update)(struct crypto_tfm *tfm, const u8 *data, | |
240 | unsigned int len); | |
241 | void (*dia_final)(struct crypto_tfm *tfm, u8 *out); | |
242 | int (*dia_setkey)(struct crypto_tfm *tfm, const u8 *key, | |
560c06ae | 243 | unsigned int keylen); |
1da177e4 LT |
244 | }; |
245 | ||
055bcee3 HX |
246 | struct hash_alg { |
247 | int (*init)(struct hash_desc *desc); | |
248 | int (*update)(struct hash_desc *desc, struct scatterlist *sg, | |
249 | unsigned int nbytes); | |
250 | int (*final)(struct hash_desc *desc, u8 *out); | |
251 | int (*digest)(struct hash_desc *desc, struct scatterlist *sg, | |
252 | unsigned int nbytes, u8 *out); | |
253 | int (*setkey)(struct crypto_hash *tfm, const u8 *key, | |
254 | unsigned int keylen); | |
255 | ||
256 | unsigned int digestsize; | |
257 | }; | |
258 | ||
1da177e4 | 259 | struct compress_alg { |
6c2bb98b HX |
260 | int (*coa_compress)(struct crypto_tfm *tfm, const u8 *src, |
261 | unsigned int slen, u8 *dst, unsigned int *dlen); | |
262 | int (*coa_decompress)(struct crypto_tfm *tfm, const u8 *src, | |
263 | unsigned int slen, u8 *dst, unsigned int *dlen); | |
1da177e4 LT |
264 | }; |
265 | ||
b5b7f088 | 266 | #define cra_ablkcipher cra_u.ablkcipher |
1ae97820 | 267 | #define cra_aead cra_u.aead |
5cde0af2 | 268 | #define cra_blkcipher cra_u.blkcipher |
1da177e4 LT |
269 | #define cra_cipher cra_u.cipher |
270 | #define cra_digest cra_u.digest | |
055bcee3 | 271 | #define cra_hash cra_u.hash |
1da177e4 LT |
272 | #define cra_compress cra_u.compress |
273 | ||
274 | struct crypto_alg { | |
275 | struct list_head cra_list; | |
6bfd4809 HX |
276 | struct list_head cra_users; |
277 | ||
1da177e4 LT |
278 | u32 cra_flags; |
279 | unsigned int cra_blocksize; | |
280 | unsigned int cra_ctxsize; | |
95477377 | 281 | unsigned int cra_alignmask; |
5cb1454b HX |
282 | |
283 | int cra_priority; | |
6521f302 | 284 | atomic_t cra_refcnt; |
5cb1454b | 285 | |
d913ea0d HX |
286 | char cra_name[CRYPTO_MAX_ALG_NAME]; |
287 | char cra_driver_name[CRYPTO_MAX_ALG_NAME]; | |
1da177e4 | 288 | |
e853c3cf HX |
289 | const struct crypto_type *cra_type; |
290 | ||
1da177e4 | 291 | union { |
b5b7f088 | 292 | struct ablkcipher_alg ablkcipher; |
1ae97820 | 293 | struct aead_alg aead; |
5cde0af2 | 294 | struct blkcipher_alg blkcipher; |
1da177e4 LT |
295 | struct cipher_alg cipher; |
296 | struct digest_alg digest; | |
055bcee3 | 297 | struct hash_alg hash; |
1da177e4 LT |
298 | struct compress_alg compress; |
299 | } cra_u; | |
c7fc0599 HX |
300 | |
301 | int (*cra_init)(struct crypto_tfm *tfm); | |
302 | void (*cra_exit)(struct crypto_tfm *tfm); | |
6521f302 | 303 | void (*cra_destroy)(struct crypto_alg *alg); |
1da177e4 LT |
304 | |
305 | struct module *cra_module; | |
306 | }; | |
307 | ||
308 | /* | |
309 | * Algorithm registration interface. | |
310 | */ | |
311 | int crypto_register_alg(struct crypto_alg *alg); | |
312 | int crypto_unregister_alg(struct crypto_alg *alg); | |
313 | ||
314 | /* | |
315 | * Algorithm query interface. | |
316 | */ | |
317 | #ifdef CONFIG_CRYPTO | |
fce32d70 | 318 | int crypto_has_alg(const char *name, u32 type, u32 mask); |
1da177e4 | 319 | #else |
fce32d70 HX |
320 | static inline int crypto_has_alg(const char *name, u32 type, u32 mask) |
321 | { | |
322 | return 0; | |
323 | } | |
1da177e4 LT |
324 | #endif |
325 | ||
326 | /* | |
327 | * Transforms: user-instantiated objects which encapsulate algorithms | |
6d7d684d HX |
328 | * and core processing logic. Managed via crypto_alloc_*() and |
329 | * crypto_free_*(), as well as the various helpers below. | |
1da177e4 | 330 | */ |
1da177e4 | 331 | |
32e3983f HX |
332 | struct ablkcipher_tfm { |
333 | int (*setkey)(struct crypto_ablkcipher *tfm, const u8 *key, | |
334 | unsigned int keylen); | |
335 | int (*encrypt)(struct ablkcipher_request *req); | |
336 | int (*decrypt)(struct ablkcipher_request *req); | |
61da88e2 HX |
337 | int (*givencrypt)(struct skcipher_givcrypt_request *req); |
338 | int (*givdecrypt)(struct skcipher_givcrypt_request *req); | |
339 | ||
ecfc4329 HX |
340 | struct crypto_ablkcipher *base; |
341 | ||
32e3983f HX |
342 | unsigned int ivsize; |
343 | unsigned int reqsize; | |
344 | }; | |
345 | ||
1ae97820 HX |
346 | struct aead_tfm { |
347 | int (*setkey)(struct crypto_aead *tfm, const u8 *key, | |
348 | unsigned int keylen); | |
349 | int (*encrypt)(struct aead_request *req); | |
350 | int (*decrypt)(struct aead_request *req); | |
351 | unsigned int ivsize; | |
352 | unsigned int authsize; | |
353 | unsigned int reqsize; | |
354 | }; | |
355 | ||
5cde0af2 HX |
356 | struct blkcipher_tfm { |
357 | void *iv; | |
358 | int (*setkey)(struct crypto_tfm *tfm, const u8 *key, | |
359 | unsigned int keylen); | |
360 | int (*encrypt)(struct blkcipher_desc *desc, struct scatterlist *dst, | |
361 | struct scatterlist *src, unsigned int nbytes); | |
362 | int (*decrypt)(struct blkcipher_desc *desc, struct scatterlist *dst, | |
363 | struct scatterlist *src, unsigned int nbytes); | |
364 | }; | |
365 | ||
1da177e4 | 366 | struct cipher_tfm { |
1da177e4 LT |
367 | int (*cit_setkey)(struct crypto_tfm *tfm, |
368 | const u8 *key, unsigned int keylen); | |
f28776a3 HX |
369 | void (*cit_encrypt_one)(struct crypto_tfm *tfm, u8 *dst, const u8 *src); |
370 | void (*cit_decrypt_one)(struct crypto_tfm *tfm, u8 *dst, const u8 *src); | |
1da177e4 LT |
371 | }; |
372 | ||
055bcee3 HX |
373 | struct hash_tfm { |
374 | int (*init)(struct hash_desc *desc); | |
375 | int (*update)(struct hash_desc *desc, | |
376 | struct scatterlist *sg, unsigned int nsg); | |
377 | int (*final)(struct hash_desc *desc, u8 *out); | |
378 | int (*digest)(struct hash_desc *desc, struct scatterlist *sg, | |
379 | unsigned int nsg, u8 *out); | |
380 | int (*setkey)(struct crypto_hash *tfm, const u8 *key, | |
381 | unsigned int keylen); | |
055bcee3 | 382 | unsigned int digestsize; |
1da177e4 LT |
383 | }; |
384 | ||
385 | struct compress_tfm { | |
386 | int (*cot_compress)(struct crypto_tfm *tfm, | |
387 | const u8 *src, unsigned int slen, | |
388 | u8 *dst, unsigned int *dlen); | |
389 | int (*cot_decompress)(struct crypto_tfm *tfm, | |
390 | const u8 *src, unsigned int slen, | |
391 | u8 *dst, unsigned int *dlen); | |
392 | }; | |
393 | ||
32e3983f | 394 | #define crt_ablkcipher crt_u.ablkcipher |
1ae97820 | 395 | #define crt_aead crt_u.aead |
5cde0af2 | 396 | #define crt_blkcipher crt_u.blkcipher |
1da177e4 | 397 | #define crt_cipher crt_u.cipher |
055bcee3 | 398 | #define crt_hash crt_u.hash |
1da177e4 LT |
399 | #define crt_compress crt_u.compress |
400 | ||
401 | struct crypto_tfm { | |
402 | ||
403 | u32 crt_flags; | |
404 | ||
405 | union { | |
32e3983f | 406 | struct ablkcipher_tfm ablkcipher; |
1ae97820 | 407 | struct aead_tfm aead; |
5cde0af2 | 408 | struct blkcipher_tfm blkcipher; |
1da177e4 | 409 | struct cipher_tfm cipher; |
055bcee3 | 410 | struct hash_tfm hash; |
1da177e4 LT |
411 | struct compress_tfm compress; |
412 | } crt_u; | |
413 | ||
414 | struct crypto_alg *__crt_alg; | |
f10b7897 | 415 | |
79911102 | 416 | void *__crt_ctx[] CRYPTO_MINALIGN_ATTR; |
1da177e4 LT |
417 | }; |
418 | ||
32e3983f HX |
419 | struct crypto_ablkcipher { |
420 | struct crypto_tfm base; | |
421 | }; | |
422 | ||
1ae97820 HX |
423 | struct crypto_aead { |
424 | struct crypto_tfm base; | |
425 | }; | |
426 | ||
5cde0af2 HX |
427 | struct crypto_blkcipher { |
428 | struct crypto_tfm base; | |
429 | }; | |
430 | ||
78a1fe4f HX |
431 | struct crypto_cipher { |
432 | struct crypto_tfm base; | |
433 | }; | |
434 | ||
435 | struct crypto_comp { | |
436 | struct crypto_tfm base; | |
437 | }; | |
438 | ||
055bcee3 HX |
439 | struct crypto_hash { |
440 | struct crypto_tfm base; | |
441 | }; | |
442 | ||
2b8c19db HX |
443 | enum { |
444 | CRYPTOA_UNSPEC, | |
445 | CRYPTOA_ALG, | |
ebc610e5 | 446 | CRYPTOA_TYPE, |
39e1ee01 | 447 | CRYPTOA_U32, |
ebc610e5 | 448 | __CRYPTOA_MAX, |
2b8c19db HX |
449 | }; |
450 | ||
ebc610e5 HX |
451 | #define CRYPTOA_MAX (__CRYPTOA_MAX - 1) |
452 | ||
39e1ee01 HX |
453 | /* Maximum number of (rtattr) parameters for each template. */ |
454 | #define CRYPTO_MAX_ATTRS 32 | |
455 | ||
2b8c19db HX |
456 | struct crypto_attr_alg { |
457 | char name[CRYPTO_MAX_ALG_NAME]; | |
458 | }; | |
459 | ||
ebc610e5 HX |
460 | struct crypto_attr_type { |
461 | u32 type; | |
462 | u32 mask; | |
463 | }; | |
464 | ||
39e1ee01 HX |
465 | struct crypto_attr_u32 { |
466 | u32 num; | |
467 | }; | |
468 | ||
1da177e4 LT |
469 | /* |
470 | * Transform user interface. | |
471 | */ | |
472 | ||
1da177e4 | 473 | struct crypto_tfm *crypto_alloc_tfm(const char *alg_name, u32 tfm_flags); |
6d7d684d | 474 | struct crypto_tfm *crypto_alloc_base(const char *alg_name, u32 type, u32 mask); |
1da177e4 LT |
475 | void crypto_free_tfm(struct crypto_tfm *tfm); |
476 | ||
477 | /* | |
478 | * Transform helpers which query the underlying algorithm. | |
479 | */ | |
480 | static inline const char *crypto_tfm_alg_name(struct crypto_tfm *tfm) | |
481 | { | |
482 | return tfm->__crt_alg->cra_name; | |
483 | } | |
484 | ||
b14cdd67 ML |
485 | static inline const char *crypto_tfm_alg_driver_name(struct crypto_tfm *tfm) |
486 | { | |
487 | return tfm->__crt_alg->cra_driver_name; | |
488 | } | |
489 | ||
490 | static inline int crypto_tfm_alg_priority(struct crypto_tfm *tfm) | |
491 | { | |
492 | return tfm->__crt_alg->cra_priority; | |
493 | } | |
494 | ||
1da177e4 LT |
495 | static inline const char *crypto_tfm_alg_modname(struct crypto_tfm *tfm) |
496 | { | |
497 | return module_name(tfm->__crt_alg->cra_module); | |
498 | } | |
499 | ||
500 | static inline u32 crypto_tfm_alg_type(struct crypto_tfm *tfm) | |
501 | { | |
502 | return tfm->__crt_alg->cra_flags & CRYPTO_ALG_TYPE_MASK; | |
503 | } | |
504 | ||
1da177e4 LT |
505 | static inline unsigned int crypto_tfm_alg_blocksize(struct crypto_tfm *tfm) |
506 | { | |
507 | return tfm->__crt_alg->cra_blocksize; | |
508 | } | |
509 | ||
fbdae9f3 HX |
510 | static inline unsigned int crypto_tfm_alg_alignmask(struct crypto_tfm *tfm) |
511 | { | |
512 | return tfm->__crt_alg->cra_alignmask; | |
513 | } | |
514 | ||
f28776a3 HX |
515 | static inline u32 crypto_tfm_get_flags(struct crypto_tfm *tfm) |
516 | { | |
517 | return tfm->crt_flags; | |
518 | } | |
519 | ||
520 | static inline void crypto_tfm_set_flags(struct crypto_tfm *tfm, u32 flags) | |
521 | { | |
522 | tfm->crt_flags |= flags; | |
523 | } | |
524 | ||
525 | static inline void crypto_tfm_clear_flags(struct crypto_tfm *tfm, u32 flags) | |
526 | { | |
527 | tfm->crt_flags &= ~flags; | |
528 | } | |
529 | ||
40725181 HX |
530 | static inline void *crypto_tfm_ctx(struct crypto_tfm *tfm) |
531 | { | |
f10b7897 HX |
532 | return tfm->__crt_ctx; |
533 | } | |
534 | ||
535 | static inline unsigned int crypto_tfm_ctx_alignment(void) | |
536 | { | |
537 | struct crypto_tfm *tfm; | |
538 | return __alignof__(tfm->__crt_ctx); | |
40725181 HX |
539 | } |
540 | ||
1da177e4 LT |
541 | /* |
542 | * API wrappers. | |
543 | */ | |
32e3983f HX |
544 | static inline struct crypto_ablkcipher *__crypto_ablkcipher_cast( |
545 | struct crypto_tfm *tfm) | |
546 | { | |
547 | return (struct crypto_ablkcipher *)tfm; | |
548 | } | |
549 | ||
378f4f51 | 550 | static inline u32 crypto_skcipher_type(u32 type) |
32e3983f | 551 | { |
ecfc4329 | 552 | type &= ~(CRYPTO_ALG_TYPE_MASK | CRYPTO_ALG_GENIV); |
32e3983f | 553 | type |= CRYPTO_ALG_TYPE_BLKCIPHER; |
378f4f51 HX |
554 | return type; |
555 | } | |
556 | ||
557 | static inline u32 crypto_skcipher_mask(u32 mask) | |
558 | { | |
ecfc4329 | 559 | mask &= ~(CRYPTO_ALG_TYPE_MASK | CRYPTO_ALG_GENIV); |
332f8840 | 560 | mask |= CRYPTO_ALG_TYPE_BLKCIPHER_MASK; |
378f4f51 HX |
561 | return mask; |
562 | } | |
32e3983f | 563 | |
b9c55aa4 HX |
564 | struct crypto_ablkcipher *crypto_alloc_ablkcipher(const char *alg_name, |
565 | u32 type, u32 mask); | |
32e3983f HX |
566 | |
567 | static inline struct crypto_tfm *crypto_ablkcipher_tfm( | |
568 | struct crypto_ablkcipher *tfm) | |
569 | { | |
570 | return &tfm->base; | |
571 | } | |
572 | ||
573 | static inline void crypto_free_ablkcipher(struct crypto_ablkcipher *tfm) | |
574 | { | |
575 | crypto_free_tfm(crypto_ablkcipher_tfm(tfm)); | |
576 | } | |
577 | ||
578 | static inline int crypto_has_ablkcipher(const char *alg_name, u32 type, | |
579 | u32 mask) | |
580 | { | |
378f4f51 HX |
581 | return crypto_has_alg(alg_name, crypto_skcipher_type(type), |
582 | crypto_skcipher_mask(mask)); | |
32e3983f HX |
583 | } |
584 | ||
585 | static inline struct ablkcipher_tfm *crypto_ablkcipher_crt( | |
586 | struct crypto_ablkcipher *tfm) | |
587 | { | |
588 | return &crypto_ablkcipher_tfm(tfm)->crt_ablkcipher; | |
589 | } | |
590 | ||
591 | static inline unsigned int crypto_ablkcipher_ivsize( | |
592 | struct crypto_ablkcipher *tfm) | |
593 | { | |
594 | return crypto_ablkcipher_crt(tfm)->ivsize; | |
595 | } | |
596 | ||
597 | static inline unsigned int crypto_ablkcipher_blocksize( | |
598 | struct crypto_ablkcipher *tfm) | |
599 | { | |
600 | return crypto_tfm_alg_blocksize(crypto_ablkcipher_tfm(tfm)); | |
601 | } | |
602 | ||
603 | static inline unsigned int crypto_ablkcipher_alignmask( | |
604 | struct crypto_ablkcipher *tfm) | |
605 | { | |
606 | return crypto_tfm_alg_alignmask(crypto_ablkcipher_tfm(tfm)); | |
607 | } | |
608 | ||
609 | static inline u32 crypto_ablkcipher_get_flags(struct crypto_ablkcipher *tfm) | |
610 | { | |
611 | return crypto_tfm_get_flags(crypto_ablkcipher_tfm(tfm)); | |
612 | } | |
613 | ||
614 | static inline void crypto_ablkcipher_set_flags(struct crypto_ablkcipher *tfm, | |
615 | u32 flags) | |
616 | { | |
617 | crypto_tfm_set_flags(crypto_ablkcipher_tfm(tfm), flags); | |
618 | } | |
619 | ||
620 | static inline void crypto_ablkcipher_clear_flags(struct crypto_ablkcipher *tfm, | |
621 | u32 flags) | |
622 | { | |
623 | crypto_tfm_clear_flags(crypto_ablkcipher_tfm(tfm), flags); | |
624 | } | |
625 | ||
626 | static inline int crypto_ablkcipher_setkey(struct crypto_ablkcipher *tfm, | |
627 | const u8 *key, unsigned int keylen) | |
628 | { | |
ecfc4329 HX |
629 | struct ablkcipher_tfm *crt = crypto_ablkcipher_crt(tfm); |
630 | ||
631 | return crt->setkey(crt->base, key, keylen); | |
32e3983f HX |
632 | } |
633 | ||
634 | static inline struct crypto_ablkcipher *crypto_ablkcipher_reqtfm( | |
635 | struct ablkcipher_request *req) | |
636 | { | |
637 | return __crypto_ablkcipher_cast(req->base.tfm); | |
638 | } | |
639 | ||
640 | static inline int crypto_ablkcipher_encrypt(struct ablkcipher_request *req) | |
641 | { | |
642 | struct ablkcipher_tfm *crt = | |
643 | crypto_ablkcipher_crt(crypto_ablkcipher_reqtfm(req)); | |
644 | return crt->encrypt(req); | |
645 | } | |
646 | ||
647 | static inline int crypto_ablkcipher_decrypt(struct ablkcipher_request *req) | |
648 | { | |
649 | struct ablkcipher_tfm *crt = | |
650 | crypto_ablkcipher_crt(crypto_ablkcipher_reqtfm(req)); | |
651 | return crt->decrypt(req); | |
652 | } | |
653 | ||
b16c3a2e HX |
654 | static inline unsigned int crypto_ablkcipher_reqsize( |
655 | struct crypto_ablkcipher *tfm) | |
32e3983f HX |
656 | { |
657 | return crypto_ablkcipher_crt(tfm)->reqsize; | |
658 | } | |
659 | ||
e196d625 HX |
660 | static inline void ablkcipher_request_set_tfm( |
661 | struct ablkcipher_request *req, struct crypto_ablkcipher *tfm) | |
662 | { | |
ecfc4329 | 663 | req->base.tfm = crypto_ablkcipher_tfm(crypto_ablkcipher_crt(tfm)->base); |
e196d625 HX |
664 | } |
665 | ||
b5b7f088 HX |
666 | static inline struct ablkcipher_request *ablkcipher_request_cast( |
667 | struct crypto_async_request *req) | |
668 | { | |
669 | return container_of(req, struct ablkcipher_request, base); | |
670 | } | |
671 | ||
32e3983f HX |
672 | static inline struct ablkcipher_request *ablkcipher_request_alloc( |
673 | struct crypto_ablkcipher *tfm, gfp_t gfp) | |
674 | { | |
675 | struct ablkcipher_request *req; | |
676 | ||
677 | req = kmalloc(sizeof(struct ablkcipher_request) + | |
678 | crypto_ablkcipher_reqsize(tfm), gfp); | |
679 | ||
680 | if (likely(req)) | |
e196d625 | 681 | ablkcipher_request_set_tfm(req, tfm); |
32e3983f HX |
682 | |
683 | return req; | |
684 | } | |
685 | ||
686 | static inline void ablkcipher_request_free(struct ablkcipher_request *req) | |
687 | { | |
688 | kfree(req); | |
689 | } | |
690 | ||
691 | static inline void ablkcipher_request_set_callback( | |
692 | struct ablkcipher_request *req, | |
693 | u32 flags, crypto_completion_t complete, void *data) | |
694 | { | |
695 | req->base.complete = complete; | |
696 | req->base.data = data; | |
697 | req->base.flags = flags; | |
698 | } | |
699 | ||
700 | static inline void ablkcipher_request_set_crypt( | |
701 | struct ablkcipher_request *req, | |
702 | struct scatterlist *src, struct scatterlist *dst, | |
703 | unsigned int nbytes, void *iv) | |
704 | { | |
705 | req->src = src; | |
706 | req->dst = dst; | |
707 | req->nbytes = nbytes; | |
708 | req->info = iv; | |
709 | } | |
710 | ||
1ae97820 HX |
711 | static inline struct crypto_aead *__crypto_aead_cast(struct crypto_tfm *tfm) |
712 | { | |
713 | return (struct crypto_aead *)tfm; | |
714 | } | |
715 | ||
716 | static inline struct crypto_aead *crypto_alloc_aead(const char *alg_name, | |
717 | u32 type, u32 mask) | |
718 | { | |
719 | type &= ~CRYPTO_ALG_TYPE_MASK; | |
720 | type |= CRYPTO_ALG_TYPE_AEAD; | |
721 | mask |= CRYPTO_ALG_TYPE_MASK; | |
722 | ||
723 | return __crypto_aead_cast(crypto_alloc_base(alg_name, type, mask)); | |
724 | } | |
725 | ||
726 | static inline struct crypto_tfm *crypto_aead_tfm(struct crypto_aead *tfm) | |
727 | { | |
728 | return &tfm->base; | |
729 | } | |
730 | ||
731 | static inline void crypto_free_aead(struct crypto_aead *tfm) | |
732 | { | |
733 | crypto_free_tfm(crypto_aead_tfm(tfm)); | |
734 | } | |
735 | ||
736 | static inline struct aead_tfm *crypto_aead_crt(struct crypto_aead *tfm) | |
737 | { | |
738 | return &crypto_aead_tfm(tfm)->crt_aead; | |
739 | } | |
740 | ||
741 | static inline unsigned int crypto_aead_ivsize(struct crypto_aead *tfm) | |
742 | { | |
743 | return crypto_aead_crt(tfm)->ivsize; | |
744 | } | |
745 | ||
746 | static inline unsigned int crypto_aead_authsize(struct crypto_aead *tfm) | |
747 | { | |
748 | return crypto_aead_crt(tfm)->authsize; | |
749 | } | |
750 | ||
751 | static inline unsigned int crypto_aead_blocksize(struct crypto_aead *tfm) | |
752 | { | |
753 | return crypto_tfm_alg_blocksize(crypto_aead_tfm(tfm)); | |
754 | } | |
755 | ||
756 | static inline unsigned int crypto_aead_alignmask(struct crypto_aead *tfm) | |
757 | { | |
758 | return crypto_tfm_alg_alignmask(crypto_aead_tfm(tfm)); | |
759 | } | |
760 | ||
761 | static inline u32 crypto_aead_get_flags(struct crypto_aead *tfm) | |
762 | { | |
763 | return crypto_tfm_get_flags(crypto_aead_tfm(tfm)); | |
764 | } | |
765 | ||
766 | static inline void crypto_aead_set_flags(struct crypto_aead *tfm, u32 flags) | |
767 | { | |
768 | crypto_tfm_set_flags(crypto_aead_tfm(tfm), flags); | |
769 | } | |
770 | ||
771 | static inline void crypto_aead_clear_flags(struct crypto_aead *tfm, u32 flags) | |
772 | { | |
773 | crypto_tfm_clear_flags(crypto_aead_tfm(tfm), flags); | |
774 | } | |
775 | ||
776 | static inline int crypto_aead_setkey(struct crypto_aead *tfm, const u8 *key, | |
777 | unsigned int keylen) | |
778 | { | |
779 | return crypto_aead_crt(tfm)->setkey(tfm, key, keylen); | |
780 | } | |
781 | ||
7ba683a6 HX |
782 | int crypto_aead_setauthsize(struct crypto_aead *tfm, unsigned int authsize); |
783 | ||
1ae97820 HX |
784 | static inline struct crypto_aead *crypto_aead_reqtfm(struct aead_request *req) |
785 | { | |
786 | return __crypto_aead_cast(req->base.tfm); | |
787 | } | |
788 | ||
789 | static inline int crypto_aead_encrypt(struct aead_request *req) | |
790 | { | |
791 | return crypto_aead_crt(crypto_aead_reqtfm(req))->encrypt(req); | |
792 | } | |
793 | ||
794 | static inline int crypto_aead_decrypt(struct aead_request *req) | |
795 | { | |
796 | return crypto_aead_crt(crypto_aead_reqtfm(req))->decrypt(req); | |
797 | } | |
798 | ||
b16c3a2e | 799 | static inline unsigned int crypto_aead_reqsize(struct crypto_aead *tfm) |
1ae97820 HX |
800 | { |
801 | return crypto_aead_crt(tfm)->reqsize; | |
802 | } | |
803 | ||
804 | static inline void aead_request_set_tfm(struct aead_request *req, | |
805 | struct crypto_aead *tfm) | |
806 | { | |
807 | req->base.tfm = crypto_aead_tfm(tfm); | |
808 | } | |
809 | ||
810 | static inline struct aead_request *aead_request_alloc(struct crypto_aead *tfm, | |
811 | gfp_t gfp) | |
812 | { | |
813 | struct aead_request *req; | |
814 | ||
815 | req = kmalloc(sizeof(*req) + crypto_aead_reqsize(tfm), gfp); | |
816 | ||
817 | if (likely(req)) | |
818 | aead_request_set_tfm(req, tfm); | |
819 | ||
820 | return req; | |
821 | } | |
822 | ||
823 | static inline void aead_request_free(struct aead_request *req) | |
824 | { | |
825 | kfree(req); | |
826 | } | |
827 | ||
828 | static inline void aead_request_set_callback(struct aead_request *req, | |
829 | u32 flags, | |
830 | crypto_completion_t complete, | |
831 | void *data) | |
832 | { | |
833 | req->base.complete = complete; | |
834 | req->base.data = data; | |
835 | req->base.flags = flags; | |
836 | } | |
837 | ||
838 | static inline void aead_request_set_crypt(struct aead_request *req, | |
839 | struct scatterlist *src, | |
840 | struct scatterlist *dst, | |
841 | unsigned int cryptlen, u8 *iv) | |
842 | { | |
843 | req->src = src; | |
844 | req->dst = dst; | |
845 | req->cryptlen = cryptlen; | |
846 | req->iv = iv; | |
847 | } | |
848 | ||
849 | static inline void aead_request_set_assoc(struct aead_request *req, | |
850 | struct scatterlist *assoc, | |
851 | unsigned int assoclen) | |
852 | { | |
853 | req->assoc = assoc; | |
854 | req->assoclen = assoclen; | |
855 | } | |
856 | ||
5cde0af2 HX |
857 | static inline struct crypto_blkcipher *__crypto_blkcipher_cast( |
858 | struct crypto_tfm *tfm) | |
859 | { | |
860 | return (struct crypto_blkcipher *)tfm; | |
861 | } | |
862 | ||
863 | static inline struct crypto_blkcipher *crypto_blkcipher_cast( | |
864 | struct crypto_tfm *tfm) | |
865 | { | |
866 | BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_BLKCIPHER); | |
867 | return __crypto_blkcipher_cast(tfm); | |
868 | } | |
869 | ||
870 | static inline struct crypto_blkcipher *crypto_alloc_blkcipher( | |
871 | const char *alg_name, u32 type, u32 mask) | |
872 | { | |
332f8840 | 873 | type &= ~CRYPTO_ALG_TYPE_MASK; |
5cde0af2 | 874 | type |= CRYPTO_ALG_TYPE_BLKCIPHER; |
332f8840 | 875 | mask |= CRYPTO_ALG_TYPE_MASK; |
5cde0af2 HX |
876 | |
877 | return __crypto_blkcipher_cast(crypto_alloc_base(alg_name, type, mask)); | |
878 | } | |
879 | ||
880 | static inline struct crypto_tfm *crypto_blkcipher_tfm( | |
881 | struct crypto_blkcipher *tfm) | |
882 | { | |
883 | return &tfm->base; | |
884 | } | |
885 | ||
886 | static inline void crypto_free_blkcipher(struct crypto_blkcipher *tfm) | |
887 | { | |
888 | crypto_free_tfm(crypto_blkcipher_tfm(tfm)); | |
889 | } | |
890 | ||
fce32d70 HX |
891 | static inline int crypto_has_blkcipher(const char *alg_name, u32 type, u32 mask) |
892 | { | |
332f8840 | 893 | type &= ~CRYPTO_ALG_TYPE_MASK; |
fce32d70 | 894 | type |= CRYPTO_ALG_TYPE_BLKCIPHER; |
332f8840 | 895 | mask |= CRYPTO_ALG_TYPE_MASK; |
fce32d70 HX |
896 | |
897 | return crypto_has_alg(alg_name, type, mask); | |
898 | } | |
899 | ||
5cde0af2 HX |
900 | static inline const char *crypto_blkcipher_name(struct crypto_blkcipher *tfm) |
901 | { | |
902 | return crypto_tfm_alg_name(crypto_blkcipher_tfm(tfm)); | |
903 | } | |
904 | ||
905 | static inline struct blkcipher_tfm *crypto_blkcipher_crt( | |
906 | struct crypto_blkcipher *tfm) | |
907 | { | |
908 | return &crypto_blkcipher_tfm(tfm)->crt_blkcipher; | |
909 | } | |
910 | ||
911 | static inline struct blkcipher_alg *crypto_blkcipher_alg( | |
912 | struct crypto_blkcipher *tfm) | |
913 | { | |
914 | return &crypto_blkcipher_tfm(tfm)->__crt_alg->cra_blkcipher; | |
915 | } | |
916 | ||
917 | static inline unsigned int crypto_blkcipher_ivsize(struct crypto_blkcipher *tfm) | |
918 | { | |
919 | return crypto_blkcipher_alg(tfm)->ivsize; | |
920 | } | |
921 | ||
922 | static inline unsigned int crypto_blkcipher_blocksize( | |
923 | struct crypto_blkcipher *tfm) | |
924 | { | |
925 | return crypto_tfm_alg_blocksize(crypto_blkcipher_tfm(tfm)); | |
926 | } | |
927 | ||
928 | static inline unsigned int crypto_blkcipher_alignmask( | |
929 | struct crypto_blkcipher *tfm) | |
930 | { | |
931 | return crypto_tfm_alg_alignmask(crypto_blkcipher_tfm(tfm)); | |
932 | } | |
933 | ||
934 | static inline u32 crypto_blkcipher_get_flags(struct crypto_blkcipher *tfm) | |
935 | { | |
936 | return crypto_tfm_get_flags(crypto_blkcipher_tfm(tfm)); | |
937 | } | |
938 | ||
939 | static inline void crypto_blkcipher_set_flags(struct crypto_blkcipher *tfm, | |
940 | u32 flags) | |
941 | { | |
942 | crypto_tfm_set_flags(crypto_blkcipher_tfm(tfm), flags); | |
943 | } | |
944 | ||
945 | static inline void crypto_blkcipher_clear_flags(struct crypto_blkcipher *tfm, | |
946 | u32 flags) | |
947 | { | |
948 | crypto_tfm_clear_flags(crypto_blkcipher_tfm(tfm), flags); | |
949 | } | |
950 | ||
951 | static inline int crypto_blkcipher_setkey(struct crypto_blkcipher *tfm, | |
952 | const u8 *key, unsigned int keylen) | |
953 | { | |
954 | return crypto_blkcipher_crt(tfm)->setkey(crypto_blkcipher_tfm(tfm), | |
955 | key, keylen); | |
956 | } | |
957 | ||
958 | static inline int crypto_blkcipher_encrypt(struct blkcipher_desc *desc, | |
959 | struct scatterlist *dst, | |
960 | struct scatterlist *src, | |
961 | unsigned int nbytes) | |
962 | { | |
963 | desc->info = crypto_blkcipher_crt(desc->tfm)->iv; | |
964 | return crypto_blkcipher_crt(desc->tfm)->encrypt(desc, dst, src, nbytes); | |
965 | } | |
966 | ||
967 | static inline int crypto_blkcipher_encrypt_iv(struct blkcipher_desc *desc, | |
968 | struct scatterlist *dst, | |
969 | struct scatterlist *src, | |
970 | unsigned int nbytes) | |
971 | { | |
972 | return crypto_blkcipher_crt(desc->tfm)->encrypt(desc, dst, src, nbytes); | |
973 | } | |
974 | ||
975 | static inline int crypto_blkcipher_decrypt(struct blkcipher_desc *desc, | |
976 | struct scatterlist *dst, | |
977 | struct scatterlist *src, | |
978 | unsigned int nbytes) | |
979 | { | |
980 | desc->info = crypto_blkcipher_crt(desc->tfm)->iv; | |
981 | return crypto_blkcipher_crt(desc->tfm)->decrypt(desc, dst, src, nbytes); | |
982 | } | |
983 | ||
984 | static inline int crypto_blkcipher_decrypt_iv(struct blkcipher_desc *desc, | |
985 | struct scatterlist *dst, | |
986 | struct scatterlist *src, | |
987 | unsigned int nbytes) | |
988 | { | |
989 | return crypto_blkcipher_crt(desc->tfm)->decrypt(desc, dst, src, nbytes); | |
990 | } | |
991 | ||
992 | static inline void crypto_blkcipher_set_iv(struct crypto_blkcipher *tfm, | |
993 | const u8 *src, unsigned int len) | |
994 | { | |
995 | memcpy(crypto_blkcipher_crt(tfm)->iv, src, len); | |
996 | } | |
997 | ||
998 | static inline void crypto_blkcipher_get_iv(struct crypto_blkcipher *tfm, | |
999 | u8 *dst, unsigned int len) | |
1000 | { | |
1001 | memcpy(dst, crypto_blkcipher_crt(tfm)->iv, len); | |
1002 | } | |
1003 | ||
f28776a3 HX |
1004 | static inline struct crypto_cipher *__crypto_cipher_cast(struct crypto_tfm *tfm) |
1005 | { | |
1006 | return (struct crypto_cipher *)tfm; | |
1007 | } | |
1008 | ||
1009 | static inline struct crypto_cipher *crypto_cipher_cast(struct crypto_tfm *tfm) | |
1010 | { | |
1011 | BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_CIPHER); | |
1012 | return __crypto_cipher_cast(tfm); | |
1013 | } | |
1014 | ||
1015 | static inline struct crypto_cipher *crypto_alloc_cipher(const char *alg_name, | |
1016 | u32 type, u32 mask) | |
1017 | { | |
1018 | type &= ~CRYPTO_ALG_TYPE_MASK; | |
1019 | type |= CRYPTO_ALG_TYPE_CIPHER; | |
1020 | mask |= CRYPTO_ALG_TYPE_MASK; | |
1021 | ||
1022 | return __crypto_cipher_cast(crypto_alloc_base(alg_name, type, mask)); | |
1023 | } | |
1024 | ||
1025 | static inline struct crypto_tfm *crypto_cipher_tfm(struct crypto_cipher *tfm) | |
1026 | { | |
78a1fe4f | 1027 | return &tfm->base; |
f28776a3 HX |
1028 | } |
1029 | ||
1030 | static inline void crypto_free_cipher(struct crypto_cipher *tfm) | |
1031 | { | |
1032 | crypto_free_tfm(crypto_cipher_tfm(tfm)); | |
1033 | } | |
1034 | ||
fce32d70 HX |
1035 | static inline int crypto_has_cipher(const char *alg_name, u32 type, u32 mask) |
1036 | { | |
1037 | type &= ~CRYPTO_ALG_TYPE_MASK; | |
1038 | type |= CRYPTO_ALG_TYPE_CIPHER; | |
1039 | mask |= CRYPTO_ALG_TYPE_MASK; | |
1040 | ||
1041 | return crypto_has_alg(alg_name, type, mask); | |
1042 | } | |
1043 | ||
f28776a3 HX |
1044 | static inline struct cipher_tfm *crypto_cipher_crt(struct crypto_cipher *tfm) |
1045 | { | |
1046 | return &crypto_cipher_tfm(tfm)->crt_cipher; | |
1047 | } | |
1048 | ||
1049 | static inline unsigned int crypto_cipher_blocksize(struct crypto_cipher *tfm) | |
1050 | { | |
1051 | return crypto_tfm_alg_blocksize(crypto_cipher_tfm(tfm)); | |
1052 | } | |
1053 | ||
1054 | static inline unsigned int crypto_cipher_alignmask(struct crypto_cipher *tfm) | |
1055 | { | |
1056 | return crypto_tfm_alg_alignmask(crypto_cipher_tfm(tfm)); | |
1057 | } | |
1058 | ||
1059 | static inline u32 crypto_cipher_get_flags(struct crypto_cipher *tfm) | |
1060 | { | |
1061 | return crypto_tfm_get_flags(crypto_cipher_tfm(tfm)); | |
1062 | } | |
1063 | ||
1064 | static inline void crypto_cipher_set_flags(struct crypto_cipher *tfm, | |
1065 | u32 flags) | |
1066 | { | |
1067 | crypto_tfm_set_flags(crypto_cipher_tfm(tfm), flags); | |
1068 | } | |
1069 | ||
1070 | static inline void crypto_cipher_clear_flags(struct crypto_cipher *tfm, | |
1071 | u32 flags) | |
1072 | { | |
1073 | crypto_tfm_clear_flags(crypto_cipher_tfm(tfm), flags); | |
1074 | } | |
1075 | ||
7226bc87 HX |
1076 | static inline int crypto_cipher_setkey(struct crypto_cipher *tfm, |
1077 | const u8 *key, unsigned int keylen) | |
1078 | { | |
1079 | return crypto_cipher_crt(tfm)->cit_setkey(crypto_cipher_tfm(tfm), | |
1080 | key, keylen); | |
1081 | } | |
1082 | ||
f28776a3 HX |
1083 | static inline void crypto_cipher_encrypt_one(struct crypto_cipher *tfm, |
1084 | u8 *dst, const u8 *src) | |
1085 | { | |
1086 | crypto_cipher_crt(tfm)->cit_encrypt_one(crypto_cipher_tfm(tfm), | |
1087 | dst, src); | |
1088 | } | |
1089 | ||
1090 | static inline void crypto_cipher_decrypt_one(struct crypto_cipher *tfm, | |
1091 | u8 *dst, const u8 *src) | |
1092 | { | |
1093 | crypto_cipher_crt(tfm)->cit_decrypt_one(crypto_cipher_tfm(tfm), | |
1094 | dst, src); | |
1095 | } | |
1096 | ||
055bcee3 | 1097 | static inline struct crypto_hash *__crypto_hash_cast(struct crypto_tfm *tfm) |
1da177e4 | 1098 | { |
055bcee3 | 1099 | return (struct crypto_hash *)tfm; |
1da177e4 LT |
1100 | } |
1101 | ||
055bcee3 | 1102 | static inline struct crypto_hash *crypto_hash_cast(struct crypto_tfm *tfm) |
1da177e4 | 1103 | { |
055bcee3 HX |
1104 | BUG_ON((crypto_tfm_alg_type(tfm) ^ CRYPTO_ALG_TYPE_HASH) & |
1105 | CRYPTO_ALG_TYPE_HASH_MASK); | |
1106 | return __crypto_hash_cast(tfm); | |
1da177e4 LT |
1107 | } |
1108 | ||
055bcee3 HX |
1109 | static inline struct crypto_hash *crypto_alloc_hash(const char *alg_name, |
1110 | u32 type, u32 mask) | |
1da177e4 | 1111 | { |
055bcee3 | 1112 | type &= ~CRYPTO_ALG_TYPE_MASK; |
551a09a7 | 1113 | mask &= ~CRYPTO_ALG_TYPE_MASK; |
055bcee3 HX |
1114 | type |= CRYPTO_ALG_TYPE_HASH; |
1115 | mask |= CRYPTO_ALG_TYPE_HASH_MASK; | |
1116 | ||
1117 | return __crypto_hash_cast(crypto_alloc_base(alg_name, type, mask)); | |
1da177e4 LT |
1118 | } |
1119 | ||
055bcee3 | 1120 | static inline struct crypto_tfm *crypto_hash_tfm(struct crypto_hash *tfm) |
1da177e4 | 1121 | { |
055bcee3 HX |
1122 | return &tfm->base; |
1123 | } | |
1124 | ||
1125 | static inline void crypto_free_hash(struct crypto_hash *tfm) | |
1126 | { | |
1127 | crypto_free_tfm(crypto_hash_tfm(tfm)); | |
1128 | } | |
1129 | ||
fce32d70 HX |
1130 | static inline int crypto_has_hash(const char *alg_name, u32 type, u32 mask) |
1131 | { | |
1132 | type &= ~CRYPTO_ALG_TYPE_MASK; | |
551a09a7 | 1133 | mask &= ~CRYPTO_ALG_TYPE_MASK; |
fce32d70 HX |
1134 | type |= CRYPTO_ALG_TYPE_HASH; |
1135 | mask |= CRYPTO_ALG_TYPE_HASH_MASK; | |
1136 | ||
1137 | return crypto_has_alg(alg_name, type, mask); | |
1138 | } | |
1139 | ||
055bcee3 HX |
1140 | static inline struct hash_tfm *crypto_hash_crt(struct crypto_hash *tfm) |
1141 | { | |
1142 | return &crypto_hash_tfm(tfm)->crt_hash; | |
1143 | } | |
1144 | ||
1145 | static inline unsigned int crypto_hash_blocksize(struct crypto_hash *tfm) | |
1146 | { | |
1147 | return crypto_tfm_alg_blocksize(crypto_hash_tfm(tfm)); | |
1148 | } | |
1149 | ||
1150 | static inline unsigned int crypto_hash_alignmask(struct crypto_hash *tfm) | |
1151 | { | |
1152 | return crypto_tfm_alg_alignmask(crypto_hash_tfm(tfm)); | |
1153 | } | |
1154 | ||
1155 | static inline unsigned int crypto_hash_digestsize(struct crypto_hash *tfm) | |
1156 | { | |
1157 | return crypto_hash_crt(tfm)->digestsize; | |
1158 | } | |
1159 | ||
1160 | static inline u32 crypto_hash_get_flags(struct crypto_hash *tfm) | |
1161 | { | |
1162 | return crypto_tfm_get_flags(crypto_hash_tfm(tfm)); | |
1163 | } | |
1164 | ||
1165 | static inline void crypto_hash_set_flags(struct crypto_hash *tfm, u32 flags) | |
1166 | { | |
1167 | crypto_tfm_set_flags(crypto_hash_tfm(tfm), flags); | |
1168 | } | |
1169 | ||
1170 | static inline void crypto_hash_clear_flags(struct crypto_hash *tfm, u32 flags) | |
1171 | { | |
1172 | crypto_tfm_clear_flags(crypto_hash_tfm(tfm), flags); | |
1173 | } | |
1174 | ||
1175 | static inline int crypto_hash_init(struct hash_desc *desc) | |
1176 | { | |
1177 | return crypto_hash_crt(desc->tfm)->init(desc); | |
1178 | } | |
1179 | ||
1180 | static inline int crypto_hash_update(struct hash_desc *desc, | |
1181 | struct scatterlist *sg, | |
1182 | unsigned int nbytes) | |
1183 | { | |
1184 | return crypto_hash_crt(desc->tfm)->update(desc, sg, nbytes); | |
1185 | } | |
1186 | ||
1187 | static inline int crypto_hash_final(struct hash_desc *desc, u8 *out) | |
1188 | { | |
1189 | return crypto_hash_crt(desc->tfm)->final(desc, out); | |
1190 | } | |
1191 | ||
1192 | static inline int crypto_hash_digest(struct hash_desc *desc, | |
1193 | struct scatterlist *sg, | |
1194 | unsigned int nbytes, u8 *out) | |
1195 | { | |
1196 | return crypto_hash_crt(desc->tfm)->digest(desc, sg, nbytes, out); | |
1197 | } | |
1198 | ||
1199 | static inline int crypto_hash_setkey(struct crypto_hash *hash, | |
1200 | const u8 *key, unsigned int keylen) | |
1201 | { | |
1202 | return crypto_hash_crt(hash)->setkey(hash, key, keylen); | |
1da177e4 LT |
1203 | } |
1204 | ||
fce32d70 HX |
1205 | static inline struct crypto_comp *__crypto_comp_cast(struct crypto_tfm *tfm) |
1206 | { | |
1207 | return (struct crypto_comp *)tfm; | |
1208 | } | |
1209 | ||
1210 | static inline struct crypto_comp *crypto_comp_cast(struct crypto_tfm *tfm) | |
1211 | { | |
1212 | BUG_ON((crypto_tfm_alg_type(tfm) ^ CRYPTO_ALG_TYPE_COMPRESS) & | |
1213 | CRYPTO_ALG_TYPE_MASK); | |
1214 | return __crypto_comp_cast(tfm); | |
1215 | } | |
1216 | ||
1217 | static inline struct crypto_comp *crypto_alloc_comp(const char *alg_name, | |
1218 | u32 type, u32 mask) | |
1219 | { | |
1220 | type &= ~CRYPTO_ALG_TYPE_MASK; | |
1221 | type |= CRYPTO_ALG_TYPE_COMPRESS; | |
1222 | mask |= CRYPTO_ALG_TYPE_MASK; | |
1223 | ||
1224 | return __crypto_comp_cast(crypto_alloc_base(alg_name, type, mask)); | |
1225 | } | |
1226 | ||
1227 | static inline struct crypto_tfm *crypto_comp_tfm(struct crypto_comp *tfm) | |
1228 | { | |
78a1fe4f | 1229 | return &tfm->base; |
fce32d70 HX |
1230 | } |
1231 | ||
1232 | static inline void crypto_free_comp(struct crypto_comp *tfm) | |
1233 | { | |
1234 | crypto_free_tfm(crypto_comp_tfm(tfm)); | |
1235 | } | |
1236 | ||
1237 | static inline int crypto_has_comp(const char *alg_name, u32 type, u32 mask) | |
1238 | { | |
1239 | type &= ~CRYPTO_ALG_TYPE_MASK; | |
1240 | type |= CRYPTO_ALG_TYPE_COMPRESS; | |
1241 | mask |= CRYPTO_ALG_TYPE_MASK; | |
1242 | ||
1243 | return crypto_has_alg(alg_name, type, mask); | |
1244 | } | |
1245 | ||
e4d5b79c HX |
1246 | static inline const char *crypto_comp_name(struct crypto_comp *tfm) |
1247 | { | |
1248 | return crypto_tfm_alg_name(crypto_comp_tfm(tfm)); | |
1249 | } | |
1250 | ||
fce32d70 HX |
1251 | static inline struct compress_tfm *crypto_comp_crt(struct crypto_comp *tfm) |
1252 | { | |
1253 | return &crypto_comp_tfm(tfm)->crt_compress; | |
1254 | } | |
1255 | ||
1256 | static inline int crypto_comp_compress(struct crypto_comp *tfm, | |
1da177e4 LT |
1257 | const u8 *src, unsigned int slen, |
1258 | u8 *dst, unsigned int *dlen) | |
1259 | { | |
78a1fe4f HX |
1260 | return crypto_comp_crt(tfm)->cot_compress(crypto_comp_tfm(tfm), |
1261 | src, slen, dst, dlen); | |
1da177e4 LT |
1262 | } |
1263 | ||
fce32d70 | 1264 | static inline int crypto_comp_decompress(struct crypto_comp *tfm, |
1da177e4 LT |
1265 | const u8 *src, unsigned int slen, |
1266 | u8 *dst, unsigned int *dlen) | |
1267 | { | |
78a1fe4f HX |
1268 | return crypto_comp_crt(tfm)->cot_decompress(crypto_comp_tfm(tfm), |
1269 | src, slen, dst, dlen); | |
1da177e4 LT |
1270 | } |
1271 | ||
1da177e4 LT |
1272 | #endif /* _LINUX_CRYPTO_H */ |
1273 |