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 | 32 | #define CRYPTO_ALG_TYPE_CIPHER 0x00000001 |
004a403c LH |
33 | #define CRYPTO_ALG_TYPE_COMPRESS 0x00000002 |
34 | #define CRYPTO_ALG_TYPE_AEAD 0x00000003 | |
055bcee3 | 35 | #define CRYPTO_ALG_TYPE_BLKCIPHER 0x00000004 |
332f8840 | 36 | #define CRYPTO_ALG_TYPE_ABLKCIPHER 0x00000005 |
61da88e2 | 37 | #define CRYPTO_ALG_TYPE_GIVCIPHER 0x00000006 |
004a403c LH |
38 | #define CRYPTO_ALG_TYPE_DIGEST 0x00000008 |
39 | #define CRYPTO_ALG_TYPE_HASH 0x00000009 | |
40 | #define CRYPTO_ALG_TYPE_AHASH 0x0000000a | |
17f0f4a4 | 41 | #define CRYPTO_ALG_TYPE_RNG 0x0000000c |
055bcee3 HX |
42 | |
43 | #define CRYPTO_ALG_TYPE_HASH_MASK 0x0000000e | |
004a403c | 44 | #define CRYPTO_ALG_TYPE_AHASH_MASK 0x0000000c |
332f8840 | 45 | #define CRYPTO_ALG_TYPE_BLKCIPHER_MASK 0x0000000c |
1da177e4 | 46 | |
2825982d | 47 | #define CRYPTO_ALG_LARVAL 0x00000010 |
6bfd4809 HX |
48 | #define CRYPTO_ALG_DEAD 0x00000020 |
49 | #define CRYPTO_ALG_DYING 0x00000040 | |
f3f632d6 | 50 | #define CRYPTO_ALG_ASYNC 0x00000080 |
2825982d | 51 | |
6010439f HX |
52 | /* |
53 | * Set this bit if and only if the algorithm requires another algorithm of | |
54 | * the same type to handle corner cases. | |
55 | */ | |
56 | #define CRYPTO_ALG_NEED_FALLBACK 0x00000100 | |
57 | ||
ecfc4329 HX |
58 | /* |
59 | * This bit is set for symmetric key ciphers that have already been wrapped | |
60 | * with a generic IV generator to prevent them from being wrapped again. | |
61 | */ | |
62 | #define CRYPTO_ALG_GENIV 0x00000200 | |
63 | ||
73d3864a HX |
64 | /* |
65 | * Set if the algorithm has passed automated run-time testing. Note that | |
66 | * if there is no run-time testing for a given algorithm it is considered | |
67 | * to have passed. | |
68 | */ | |
69 | ||
70 | #define CRYPTO_ALG_TESTED 0x00000400 | |
71 | ||
1da177e4 LT |
72 | /* |
73 | * Transform masks and values (for crt_flags). | |
74 | */ | |
1da177e4 LT |
75 | #define CRYPTO_TFM_REQ_MASK 0x000fff00 |
76 | #define CRYPTO_TFM_RES_MASK 0xfff00000 | |
77 | ||
1da177e4 | 78 | #define CRYPTO_TFM_REQ_WEAK_KEY 0x00000100 |
64baf3cf | 79 | #define CRYPTO_TFM_REQ_MAY_SLEEP 0x00000200 |
32e3983f | 80 | #define CRYPTO_TFM_REQ_MAY_BACKLOG 0x00000400 |
1da177e4 LT |
81 | #define CRYPTO_TFM_RES_WEAK_KEY 0x00100000 |
82 | #define CRYPTO_TFM_RES_BAD_KEY_LEN 0x00200000 | |
83 | #define CRYPTO_TFM_RES_BAD_KEY_SCHED 0x00400000 | |
84 | #define CRYPTO_TFM_RES_BAD_BLOCK_LEN 0x00800000 | |
85 | #define CRYPTO_TFM_RES_BAD_FLAGS 0x01000000 | |
86 | ||
87 | /* | |
88 | * Miscellaneous stuff. | |
89 | */ | |
1da177e4 LT |
90 | #define CRYPTO_MAX_ALG_NAME 64 |
91 | ||
79911102 HX |
92 | /* |
93 | * The macro CRYPTO_MINALIGN_ATTR (along with the void * type in the actual | |
94 | * declaration) is used to ensure that the crypto_tfm context structure is | |
95 | * aligned correctly for the given architecture so that there are no alignment | |
96 | * faults for C data types. In particular, this is required on platforms such | |
97 | * as arm where pointers are 32-bit aligned but there are data types such as | |
98 | * u64 which require 64-bit alignment. | |
99 | */ | |
100 | #if defined(ARCH_KMALLOC_MINALIGN) | |
101 | #define CRYPTO_MINALIGN ARCH_KMALLOC_MINALIGN | |
102 | #elif defined(ARCH_SLAB_MINALIGN) | |
103 | #define CRYPTO_MINALIGN ARCH_SLAB_MINALIGN | |
6eb72284 HX |
104 | #else |
105 | #define CRYPTO_MINALIGN __alignof__(unsigned long long) | |
79911102 HX |
106 | #endif |
107 | ||
79911102 | 108 | #define CRYPTO_MINALIGN_ATTR __attribute__ ((__aligned__(CRYPTO_MINALIGN))) |
79911102 | 109 | |
1da177e4 | 110 | struct scatterlist; |
32e3983f HX |
111 | struct crypto_ablkcipher; |
112 | struct crypto_async_request; | |
1ae97820 | 113 | struct crypto_aead; |
5cde0af2 | 114 | struct crypto_blkcipher; |
055bcee3 | 115 | struct crypto_hash; |
004a403c | 116 | struct crypto_ahash; |
17f0f4a4 | 117 | struct crypto_rng; |
40725181 | 118 | struct crypto_tfm; |
e853c3cf | 119 | struct crypto_type; |
743edf57 | 120 | struct aead_givcrypt_request; |
61da88e2 | 121 | struct skcipher_givcrypt_request; |
40725181 | 122 | |
32e3983f HX |
123 | typedef void (*crypto_completion_t)(struct crypto_async_request *req, int err); |
124 | ||
125 | struct crypto_async_request { | |
126 | struct list_head list; | |
127 | crypto_completion_t complete; | |
128 | void *data; | |
129 | struct crypto_tfm *tfm; | |
130 | ||
131 | u32 flags; | |
132 | }; | |
133 | ||
134 | struct ablkcipher_request { | |
135 | struct crypto_async_request base; | |
136 | ||
137 | unsigned int nbytes; | |
138 | ||
139 | void *info; | |
140 | ||
141 | struct scatterlist *src; | |
142 | struct scatterlist *dst; | |
143 | ||
144 | void *__ctx[] CRYPTO_MINALIGN_ATTR; | |
145 | }; | |
146 | ||
004a403c LH |
147 | struct ahash_request { |
148 | struct crypto_async_request base; | |
149 | ||
004a403c LH |
150 | unsigned int nbytes; |
151 | struct scatterlist *src; | |
152 | u8 *result; | |
153 | ||
154 | void *__ctx[] CRYPTO_MINALIGN_ATTR; | |
155 | }; | |
156 | ||
1ae97820 HX |
157 | /** |
158 | * struct aead_request - AEAD request | |
159 | * @base: Common attributes for async crypto requests | |
160 | * @assoclen: Length in bytes of associated data for authentication | |
161 | * @cryptlen: Length of data to be encrypted or decrypted | |
162 | * @iv: Initialisation vector | |
163 | * @assoc: Associated data | |
164 | * @src: Source data | |
165 | * @dst: Destination data | |
166 | * @__ctx: Start of private context data | |
167 | */ | |
168 | struct aead_request { | |
169 | struct crypto_async_request base; | |
170 | ||
171 | unsigned int assoclen; | |
172 | unsigned int cryptlen; | |
173 | ||
174 | u8 *iv; | |
175 | ||
176 | struct scatterlist *assoc; | |
177 | struct scatterlist *src; | |
178 | struct scatterlist *dst; | |
179 | ||
180 | void *__ctx[] CRYPTO_MINALIGN_ATTR; | |
181 | }; | |
182 | ||
5cde0af2 HX |
183 | struct blkcipher_desc { |
184 | struct crypto_blkcipher *tfm; | |
185 | void *info; | |
186 | u32 flags; | |
187 | }; | |
188 | ||
40725181 HX |
189 | struct cipher_desc { |
190 | struct crypto_tfm *tfm; | |
6c2bb98b | 191 | void (*crfn)(struct crypto_tfm *tfm, u8 *dst, const u8 *src); |
40725181 HX |
192 | unsigned int (*prfn)(const struct cipher_desc *desc, u8 *dst, |
193 | const u8 *src, unsigned int nbytes); | |
194 | void *info; | |
195 | }; | |
1da177e4 | 196 | |
055bcee3 HX |
197 | struct hash_desc { |
198 | struct crypto_hash *tfm; | |
199 | u32 flags; | |
200 | }; | |
201 | ||
1da177e4 LT |
202 | /* |
203 | * Algorithms: modular crypto algorithm implementations, managed | |
204 | * via crypto_register_alg() and crypto_unregister_alg(). | |
205 | */ | |
b5b7f088 HX |
206 | struct ablkcipher_alg { |
207 | int (*setkey)(struct crypto_ablkcipher *tfm, const u8 *key, | |
208 | unsigned int keylen); | |
209 | int (*encrypt)(struct ablkcipher_request *req); | |
210 | int (*decrypt)(struct ablkcipher_request *req); | |
61da88e2 HX |
211 | int (*givencrypt)(struct skcipher_givcrypt_request *req); |
212 | int (*givdecrypt)(struct skcipher_givcrypt_request *req); | |
b5b7f088 | 213 | |
23508e11 HX |
214 | const char *geniv; |
215 | ||
b5b7f088 HX |
216 | unsigned int min_keysize; |
217 | unsigned int max_keysize; | |
218 | unsigned int ivsize; | |
219 | }; | |
220 | ||
004a403c LH |
221 | struct ahash_alg { |
222 | int (*init)(struct ahash_request *req); | |
223 | int (*update)(struct ahash_request *req); | |
224 | int (*final)(struct ahash_request *req); | |
225 | int (*digest)(struct ahash_request *req); | |
226 | int (*setkey)(struct crypto_ahash *tfm, const u8 *key, | |
227 | unsigned int keylen); | |
228 | ||
229 | unsigned int digestsize; | |
230 | }; | |
231 | ||
1ae97820 HX |
232 | struct aead_alg { |
233 | int (*setkey)(struct crypto_aead *tfm, const u8 *key, | |
234 | unsigned int keylen); | |
7ba683a6 | 235 | int (*setauthsize)(struct crypto_aead *tfm, unsigned int authsize); |
1ae97820 HX |
236 | int (*encrypt)(struct aead_request *req); |
237 | int (*decrypt)(struct aead_request *req); | |
743edf57 HX |
238 | int (*givencrypt)(struct aead_givcrypt_request *req); |
239 | int (*givdecrypt)(struct aead_givcrypt_request *req); | |
1ae97820 | 240 | |
5b6d2d7f HX |
241 | const char *geniv; |
242 | ||
1ae97820 | 243 | unsigned int ivsize; |
7ba683a6 | 244 | unsigned int maxauthsize; |
1ae97820 HX |
245 | }; |
246 | ||
5cde0af2 HX |
247 | struct blkcipher_alg { |
248 | int (*setkey)(struct crypto_tfm *tfm, const u8 *key, | |
249 | unsigned int keylen); | |
250 | int (*encrypt)(struct blkcipher_desc *desc, | |
251 | struct scatterlist *dst, struct scatterlist *src, | |
252 | unsigned int nbytes); | |
253 | int (*decrypt)(struct blkcipher_desc *desc, | |
254 | struct scatterlist *dst, struct scatterlist *src, | |
255 | unsigned int nbytes); | |
256 | ||
23508e11 HX |
257 | const char *geniv; |
258 | ||
5cde0af2 HX |
259 | unsigned int min_keysize; |
260 | unsigned int max_keysize; | |
261 | unsigned int ivsize; | |
262 | }; | |
263 | ||
1da177e4 LT |
264 | struct cipher_alg { |
265 | unsigned int cia_min_keysize; | |
266 | unsigned int cia_max_keysize; | |
6c2bb98b | 267 | int (*cia_setkey)(struct crypto_tfm *tfm, const u8 *key, |
560c06ae | 268 | unsigned int keylen); |
6c2bb98b HX |
269 | void (*cia_encrypt)(struct crypto_tfm *tfm, u8 *dst, const u8 *src); |
270 | void (*cia_decrypt)(struct crypto_tfm *tfm, u8 *dst, const u8 *src); | |
1da177e4 LT |
271 | }; |
272 | ||
273 | struct digest_alg { | |
274 | unsigned int dia_digestsize; | |
6c2bb98b HX |
275 | void (*dia_init)(struct crypto_tfm *tfm); |
276 | void (*dia_update)(struct crypto_tfm *tfm, const u8 *data, | |
277 | unsigned int len); | |
278 | void (*dia_final)(struct crypto_tfm *tfm, u8 *out); | |
279 | int (*dia_setkey)(struct crypto_tfm *tfm, const u8 *key, | |
560c06ae | 280 | unsigned int keylen); |
1da177e4 LT |
281 | }; |
282 | ||
055bcee3 HX |
283 | struct hash_alg { |
284 | int (*init)(struct hash_desc *desc); | |
285 | int (*update)(struct hash_desc *desc, struct scatterlist *sg, | |
286 | unsigned int nbytes); | |
287 | int (*final)(struct hash_desc *desc, u8 *out); | |
288 | int (*digest)(struct hash_desc *desc, struct scatterlist *sg, | |
289 | unsigned int nbytes, u8 *out); | |
290 | int (*setkey)(struct crypto_hash *tfm, const u8 *key, | |
291 | unsigned int keylen); | |
292 | ||
293 | unsigned int digestsize; | |
294 | }; | |
295 | ||
1da177e4 | 296 | struct compress_alg { |
6c2bb98b HX |
297 | int (*coa_compress)(struct crypto_tfm *tfm, const u8 *src, |
298 | unsigned int slen, u8 *dst, unsigned int *dlen); | |
299 | int (*coa_decompress)(struct crypto_tfm *tfm, const u8 *src, | |
300 | unsigned int slen, u8 *dst, unsigned int *dlen); | |
1da177e4 LT |
301 | }; |
302 | ||
17f0f4a4 NH |
303 | struct rng_alg { |
304 | int (*rng_make_random)(struct crypto_rng *tfm, u8 *rdata, | |
305 | unsigned int dlen); | |
306 | int (*rng_reset)(struct crypto_rng *tfm, u8 *seed, unsigned int slen); | |
307 | ||
308 | unsigned int seedsize; | |
309 | }; | |
310 | ||
311 | ||
b5b7f088 | 312 | #define cra_ablkcipher cra_u.ablkcipher |
1ae97820 | 313 | #define cra_aead cra_u.aead |
5cde0af2 | 314 | #define cra_blkcipher cra_u.blkcipher |
1da177e4 LT |
315 | #define cra_cipher cra_u.cipher |
316 | #define cra_digest cra_u.digest | |
055bcee3 | 317 | #define cra_hash cra_u.hash |
004a403c | 318 | #define cra_ahash cra_u.ahash |
1da177e4 | 319 | #define cra_compress cra_u.compress |
17f0f4a4 | 320 | #define cra_rng cra_u.rng |
1da177e4 LT |
321 | |
322 | struct crypto_alg { | |
323 | struct list_head cra_list; | |
6bfd4809 HX |
324 | struct list_head cra_users; |
325 | ||
1da177e4 LT |
326 | u32 cra_flags; |
327 | unsigned int cra_blocksize; | |
328 | unsigned int cra_ctxsize; | |
95477377 | 329 | unsigned int cra_alignmask; |
5cb1454b HX |
330 | |
331 | int cra_priority; | |
6521f302 | 332 | atomic_t cra_refcnt; |
5cb1454b | 333 | |
d913ea0d HX |
334 | char cra_name[CRYPTO_MAX_ALG_NAME]; |
335 | char cra_driver_name[CRYPTO_MAX_ALG_NAME]; | |
1da177e4 | 336 | |
e853c3cf HX |
337 | const struct crypto_type *cra_type; |
338 | ||
1da177e4 | 339 | union { |
b5b7f088 | 340 | struct ablkcipher_alg ablkcipher; |
1ae97820 | 341 | struct aead_alg aead; |
5cde0af2 | 342 | struct blkcipher_alg blkcipher; |
1da177e4 LT |
343 | struct cipher_alg cipher; |
344 | struct digest_alg digest; | |
055bcee3 | 345 | struct hash_alg hash; |
004a403c | 346 | struct ahash_alg ahash; |
1da177e4 | 347 | struct compress_alg compress; |
17f0f4a4 | 348 | struct rng_alg rng; |
1da177e4 | 349 | } cra_u; |
c7fc0599 HX |
350 | |
351 | int (*cra_init)(struct crypto_tfm *tfm); | |
352 | void (*cra_exit)(struct crypto_tfm *tfm); | |
6521f302 | 353 | void (*cra_destroy)(struct crypto_alg *alg); |
1da177e4 LT |
354 | |
355 | struct module *cra_module; | |
356 | }; | |
357 | ||
358 | /* | |
359 | * Algorithm registration interface. | |
360 | */ | |
361 | int crypto_register_alg(struct crypto_alg *alg); | |
362 | int crypto_unregister_alg(struct crypto_alg *alg); | |
363 | ||
364 | /* | |
365 | * Algorithm query interface. | |
366 | */ | |
fce32d70 | 367 | int crypto_has_alg(const char *name, u32 type, u32 mask); |
1da177e4 LT |
368 | |
369 | /* | |
370 | * Transforms: user-instantiated objects which encapsulate algorithms | |
6d7d684d HX |
371 | * and core processing logic. Managed via crypto_alloc_*() and |
372 | * crypto_free_*(), as well as the various helpers below. | |
1da177e4 | 373 | */ |
1da177e4 | 374 | |
32e3983f HX |
375 | struct ablkcipher_tfm { |
376 | int (*setkey)(struct crypto_ablkcipher *tfm, const u8 *key, | |
377 | unsigned int keylen); | |
378 | int (*encrypt)(struct ablkcipher_request *req); | |
379 | int (*decrypt)(struct ablkcipher_request *req); | |
61da88e2 HX |
380 | int (*givencrypt)(struct skcipher_givcrypt_request *req); |
381 | int (*givdecrypt)(struct skcipher_givcrypt_request *req); | |
382 | ||
ecfc4329 HX |
383 | struct crypto_ablkcipher *base; |
384 | ||
32e3983f HX |
385 | unsigned int ivsize; |
386 | unsigned int reqsize; | |
387 | }; | |
388 | ||
1ae97820 HX |
389 | struct aead_tfm { |
390 | int (*setkey)(struct crypto_aead *tfm, const u8 *key, | |
391 | unsigned int keylen); | |
392 | int (*encrypt)(struct aead_request *req); | |
393 | int (*decrypt)(struct aead_request *req); | |
743edf57 HX |
394 | int (*givencrypt)(struct aead_givcrypt_request *req); |
395 | int (*givdecrypt)(struct aead_givcrypt_request *req); | |
5b6d2d7f HX |
396 | |
397 | struct crypto_aead *base; | |
398 | ||
1ae97820 HX |
399 | unsigned int ivsize; |
400 | unsigned int authsize; | |
401 | unsigned int reqsize; | |
402 | }; | |
403 | ||
5cde0af2 HX |
404 | struct blkcipher_tfm { |
405 | void *iv; | |
406 | int (*setkey)(struct crypto_tfm *tfm, const u8 *key, | |
407 | unsigned int keylen); | |
408 | int (*encrypt)(struct blkcipher_desc *desc, struct scatterlist *dst, | |
409 | struct scatterlist *src, unsigned int nbytes); | |
410 | int (*decrypt)(struct blkcipher_desc *desc, struct scatterlist *dst, | |
411 | struct scatterlist *src, unsigned int nbytes); | |
412 | }; | |
413 | ||
1da177e4 | 414 | struct cipher_tfm { |
1da177e4 LT |
415 | int (*cit_setkey)(struct crypto_tfm *tfm, |
416 | const u8 *key, unsigned int keylen); | |
f28776a3 HX |
417 | void (*cit_encrypt_one)(struct crypto_tfm *tfm, u8 *dst, const u8 *src); |
418 | void (*cit_decrypt_one)(struct crypto_tfm *tfm, u8 *dst, const u8 *src); | |
1da177e4 LT |
419 | }; |
420 | ||
055bcee3 HX |
421 | struct hash_tfm { |
422 | int (*init)(struct hash_desc *desc); | |
423 | int (*update)(struct hash_desc *desc, | |
424 | struct scatterlist *sg, unsigned int nsg); | |
425 | int (*final)(struct hash_desc *desc, u8 *out); | |
426 | int (*digest)(struct hash_desc *desc, struct scatterlist *sg, | |
427 | unsigned int nsg, u8 *out); | |
428 | int (*setkey)(struct crypto_hash *tfm, const u8 *key, | |
429 | unsigned int keylen); | |
055bcee3 | 430 | unsigned int digestsize; |
1da177e4 LT |
431 | }; |
432 | ||
004a403c LH |
433 | struct ahash_tfm { |
434 | int (*init)(struct ahash_request *req); | |
435 | int (*update)(struct ahash_request *req); | |
436 | int (*final)(struct ahash_request *req); | |
437 | int (*digest)(struct ahash_request *req); | |
438 | int (*setkey)(struct crypto_ahash *tfm, const u8 *key, | |
439 | unsigned int keylen); | |
440 | ||
441 | unsigned int digestsize; | |
004a403c LH |
442 | unsigned int reqsize; |
443 | }; | |
444 | ||
1da177e4 LT |
445 | struct compress_tfm { |
446 | int (*cot_compress)(struct crypto_tfm *tfm, | |
447 | const u8 *src, unsigned int slen, | |
448 | u8 *dst, unsigned int *dlen); | |
449 | int (*cot_decompress)(struct crypto_tfm *tfm, | |
450 | const u8 *src, unsigned int slen, | |
451 | u8 *dst, unsigned int *dlen); | |
452 | }; | |
453 | ||
17f0f4a4 NH |
454 | struct rng_tfm { |
455 | int (*rng_gen_random)(struct crypto_rng *tfm, u8 *rdata, | |
456 | unsigned int dlen); | |
457 | int (*rng_reset)(struct crypto_rng *tfm, u8 *seed, unsigned int slen); | |
458 | }; | |
459 | ||
32e3983f | 460 | #define crt_ablkcipher crt_u.ablkcipher |
1ae97820 | 461 | #define crt_aead crt_u.aead |
5cde0af2 | 462 | #define crt_blkcipher crt_u.blkcipher |
1da177e4 | 463 | #define crt_cipher crt_u.cipher |
055bcee3 | 464 | #define crt_hash crt_u.hash |
004a403c | 465 | #define crt_ahash crt_u.ahash |
1da177e4 | 466 | #define crt_compress crt_u.compress |
17f0f4a4 | 467 | #define crt_rng crt_u.rng |
1da177e4 LT |
468 | |
469 | struct crypto_tfm { | |
470 | ||
471 | u32 crt_flags; | |
472 | ||
473 | union { | |
32e3983f | 474 | struct ablkcipher_tfm ablkcipher; |
1ae97820 | 475 | struct aead_tfm aead; |
5cde0af2 | 476 | struct blkcipher_tfm blkcipher; |
1da177e4 | 477 | struct cipher_tfm cipher; |
055bcee3 | 478 | struct hash_tfm hash; |
004a403c | 479 | struct ahash_tfm ahash; |
1da177e4 | 480 | struct compress_tfm compress; |
17f0f4a4 | 481 | struct rng_tfm rng; |
1da177e4 LT |
482 | } crt_u; |
483 | ||
484 | struct crypto_alg *__crt_alg; | |
f10b7897 | 485 | |
79911102 | 486 | void *__crt_ctx[] CRYPTO_MINALIGN_ATTR; |
1da177e4 LT |
487 | }; |
488 | ||
32e3983f HX |
489 | struct crypto_ablkcipher { |
490 | struct crypto_tfm base; | |
491 | }; | |
492 | ||
1ae97820 HX |
493 | struct crypto_aead { |
494 | struct crypto_tfm base; | |
495 | }; | |
496 | ||
5cde0af2 HX |
497 | struct crypto_blkcipher { |
498 | struct crypto_tfm base; | |
499 | }; | |
500 | ||
78a1fe4f HX |
501 | struct crypto_cipher { |
502 | struct crypto_tfm base; | |
503 | }; | |
504 | ||
505 | struct crypto_comp { | |
506 | struct crypto_tfm base; | |
507 | }; | |
508 | ||
055bcee3 HX |
509 | struct crypto_hash { |
510 | struct crypto_tfm base; | |
511 | }; | |
512 | ||
17f0f4a4 NH |
513 | struct crypto_rng { |
514 | struct crypto_tfm base; | |
515 | }; | |
516 | ||
2b8c19db HX |
517 | enum { |
518 | CRYPTOA_UNSPEC, | |
519 | CRYPTOA_ALG, | |
ebc610e5 | 520 | CRYPTOA_TYPE, |
39e1ee01 | 521 | CRYPTOA_U32, |
ebc610e5 | 522 | __CRYPTOA_MAX, |
2b8c19db HX |
523 | }; |
524 | ||
ebc610e5 HX |
525 | #define CRYPTOA_MAX (__CRYPTOA_MAX - 1) |
526 | ||
39e1ee01 HX |
527 | /* Maximum number of (rtattr) parameters for each template. */ |
528 | #define CRYPTO_MAX_ATTRS 32 | |
529 | ||
2b8c19db HX |
530 | struct crypto_attr_alg { |
531 | char name[CRYPTO_MAX_ALG_NAME]; | |
532 | }; | |
533 | ||
ebc610e5 HX |
534 | struct crypto_attr_type { |
535 | u32 type; | |
536 | u32 mask; | |
537 | }; | |
538 | ||
39e1ee01 HX |
539 | struct crypto_attr_u32 { |
540 | u32 num; | |
541 | }; | |
542 | ||
1da177e4 LT |
543 | /* |
544 | * Transform user interface. | |
545 | */ | |
546 | ||
1da177e4 | 547 | struct crypto_tfm *crypto_alloc_tfm(const char *alg_name, u32 tfm_flags); |
6d7d684d | 548 | struct crypto_tfm *crypto_alloc_base(const char *alg_name, u32 type, u32 mask); |
1da177e4 LT |
549 | void crypto_free_tfm(struct crypto_tfm *tfm); |
550 | ||
da7f033d HX |
551 | int alg_test(const char *driver, const char *alg, u32 type, u32 mask); |
552 | ||
1da177e4 LT |
553 | /* |
554 | * Transform helpers which query the underlying algorithm. | |
555 | */ | |
556 | static inline const char *crypto_tfm_alg_name(struct crypto_tfm *tfm) | |
557 | { | |
558 | return tfm->__crt_alg->cra_name; | |
559 | } | |
560 | ||
b14cdd67 ML |
561 | static inline const char *crypto_tfm_alg_driver_name(struct crypto_tfm *tfm) |
562 | { | |
563 | return tfm->__crt_alg->cra_driver_name; | |
564 | } | |
565 | ||
566 | static inline int crypto_tfm_alg_priority(struct crypto_tfm *tfm) | |
567 | { | |
568 | return tfm->__crt_alg->cra_priority; | |
569 | } | |
570 | ||
1da177e4 LT |
571 | static inline const char *crypto_tfm_alg_modname(struct crypto_tfm *tfm) |
572 | { | |
573 | return module_name(tfm->__crt_alg->cra_module); | |
574 | } | |
575 | ||
576 | static inline u32 crypto_tfm_alg_type(struct crypto_tfm *tfm) | |
577 | { | |
578 | return tfm->__crt_alg->cra_flags & CRYPTO_ALG_TYPE_MASK; | |
579 | } | |
580 | ||
1da177e4 LT |
581 | static inline unsigned int crypto_tfm_alg_blocksize(struct crypto_tfm *tfm) |
582 | { | |
583 | return tfm->__crt_alg->cra_blocksize; | |
584 | } | |
585 | ||
fbdae9f3 HX |
586 | static inline unsigned int crypto_tfm_alg_alignmask(struct crypto_tfm *tfm) |
587 | { | |
588 | return tfm->__crt_alg->cra_alignmask; | |
589 | } | |
590 | ||
f28776a3 HX |
591 | static inline u32 crypto_tfm_get_flags(struct crypto_tfm *tfm) |
592 | { | |
593 | return tfm->crt_flags; | |
594 | } | |
595 | ||
596 | static inline void crypto_tfm_set_flags(struct crypto_tfm *tfm, u32 flags) | |
597 | { | |
598 | tfm->crt_flags |= flags; | |
599 | } | |
600 | ||
601 | static inline void crypto_tfm_clear_flags(struct crypto_tfm *tfm, u32 flags) | |
602 | { | |
603 | tfm->crt_flags &= ~flags; | |
604 | } | |
605 | ||
40725181 HX |
606 | static inline void *crypto_tfm_ctx(struct crypto_tfm *tfm) |
607 | { | |
f10b7897 HX |
608 | return tfm->__crt_ctx; |
609 | } | |
610 | ||
611 | static inline unsigned int crypto_tfm_ctx_alignment(void) | |
612 | { | |
613 | struct crypto_tfm *tfm; | |
614 | return __alignof__(tfm->__crt_ctx); | |
40725181 HX |
615 | } |
616 | ||
1da177e4 LT |
617 | /* |
618 | * API wrappers. | |
619 | */ | |
32e3983f HX |
620 | static inline struct crypto_ablkcipher *__crypto_ablkcipher_cast( |
621 | struct crypto_tfm *tfm) | |
622 | { | |
623 | return (struct crypto_ablkcipher *)tfm; | |
624 | } | |
625 | ||
378f4f51 | 626 | static inline u32 crypto_skcipher_type(u32 type) |
32e3983f | 627 | { |
ecfc4329 | 628 | type &= ~(CRYPTO_ALG_TYPE_MASK | CRYPTO_ALG_GENIV); |
32e3983f | 629 | type |= CRYPTO_ALG_TYPE_BLKCIPHER; |
378f4f51 HX |
630 | return type; |
631 | } | |
632 | ||
633 | static inline u32 crypto_skcipher_mask(u32 mask) | |
634 | { | |
ecfc4329 | 635 | mask &= ~(CRYPTO_ALG_TYPE_MASK | CRYPTO_ALG_GENIV); |
332f8840 | 636 | mask |= CRYPTO_ALG_TYPE_BLKCIPHER_MASK; |
378f4f51 HX |
637 | return mask; |
638 | } | |
32e3983f | 639 | |
b9c55aa4 HX |
640 | struct crypto_ablkcipher *crypto_alloc_ablkcipher(const char *alg_name, |
641 | u32 type, u32 mask); | |
32e3983f HX |
642 | |
643 | static inline struct crypto_tfm *crypto_ablkcipher_tfm( | |
644 | struct crypto_ablkcipher *tfm) | |
645 | { | |
646 | return &tfm->base; | |
647 | } | |
648 | ||
649 | static inline void crypto_free_ablkcipher(struct crypto_ablkcipher *tfm) | |
650 | { | |
651 | crypto_free_tfm(crypto_ablkcipher_tfm(tfm)); | |
652 | } | |
653 | ||
654 | static inline int crypto_has_ablkcipher(const char *alg_name, u32 type, | |
655 | u32 mask) | |
656 | { | |
378f4f51 HX |
657 | return crypto_has_alg(alg_name, crypto_skcipher_type(type), |
658 | crypto_skcipher_mask(mask)); | |
32e3983f HX |
659 | } |
660 | ||
661 | static inline struct ablkcipher_tfm *crypto_ablkcipher_crt( | |
662 | struct crypto_ablkcipher *tfm) | |
663 | { | |
664 | return &crypto_ablkcipher_tfm(tfm)->crt_ablkcipher; | |
665 | } | |
666 | ||
667 | static inline unsigned int crypto_ablkcipher_ivsize( | |
668 | struct crypto_ablkcipher *tfm) | |
669 | { | |
670 | return crypto_ablkcipher_crt(tfm)->ivsize; | |
671 | } | |
672 | ||
673 | static inline unsigned int crypto_ablkcipher_blocksize( | |
674 | struct crypto_ablkcipher *tfm) | |
675 | { | |
676 | return crypto_tfm_alg_blocksize(crypto_ablkcipher_tfm(tfm)); | |
677 | } | |
678 | ||
679 | static inline unsigned int crypto_ablkcipher_alignmask( | |
680 | struct crypto_ablkcipher *tfm) | |
681 | { | |
682 | return crypto_tfm_alg_alignmask(crypto_ablkcipher_tfm(tfm)); | |
683 | } | |
684 | ||
685 | static inline u32 crypto_ablkcipher_get_flags(struct crypto_ablkcipher *tfm) | |
686 | { | |
687 | return crypto_tfm_get_flags(crypto_ablkcipher_tfm(tfm)); | |
688 | } | |
689 | ||
690 | static inline void crypto_ablkcipher_set_flags(struct crypto_ablkcipher *tfm, | |
691 | u32 flags) | |
692 | { | |
693 | crypto_tfm_set_flags(crypto_ablkcipher_tfm(tfm), flags); | |
694 | } | |
695 | ||
696 | static inline void crypto_ablkcipher_clear_flags(struct crypto_ablkcipher *tfm, | |
697 | u32 flags) | |
698 | { | |
699 | crypto_tfm_clear_flags(crypto_ablkcipher_tfm(tfm), flags); | |
700 | } | |
701 | ||
702 | static inline int crypto_ablkcipher_setkey(struct crypto_ablkcipher *tfm, | |
703 | const u8 *key, unsigned int keylen) | |
704 | { | |
ecfc4329 HX |
705 | struct ablkcipher_tfm *crt = crypto_ablkcipher_crt(tfm); |
706 | ||
707 | return crt->setkey(crt->base, key, keylen); | |
32e3983f HX |
708 | } |
709 | ||
710 | static inline struct crypto_ablkcipher *crypto_ablkcipher_reqtfm( | |
711 | struct ablkcipher_request *req) | |
712 | { | |
713 | return __crypto_ablkcipher_cast(req->base.tfm); | |
714 | } | |
715 | ||
716 | static inline int crypto_ablkcipher_encrypt(struct ablkcipher_request *req) | |
717 | { | |
718 | struct ablkcipher_tfm *crt = | |
719 | crypto_ablkcipher_crt(crypto_ablkcipher_reqtfm(req)); | |
720 | return crt->encrypt(req); | |
721 | } | |
722 | ||
723 | static inline int crypto_ablkcipher_decrypt(struct ablkcipher_request *req) | |
724 | { | |
725 | struct ablkcipher_tfm *crt = | |
726 | crypto_ablkcipher_crt(crypto_ablkcipher_reqtfm(req)); | |
727 | return crt->decrypt(req); | |
728 | } | |
729 | ||
b16c3a2e HX |
730 | static inline unsigned int crypto_ablkcipher_reqsize( |
731 | struct crypto_ablkcipher *tfm) | |
32e3983f HX |
732 | { |
733 | return crypto_ablkcipher_crt(tfm)->reqsize; | |
734 | } | |
735 | ||
e196d625 HX |
736 | static inline void ablkcipher_request_set_tfm( |
737 | struct ablkcipher_request *req, struct crypto_ablkcipher *tfm) | |
738 | { | |
ecfc4329 | 739 | req->base.tfm = crypto_ablkcipher_tfm(crypto_ablkcipher_crt(tfm)->base); |
e196d625 HX |
740 | } |
741 | ||
b5b7f088 HX |
742 | static inline struct ablkcipher_request *ablkcipher_request_cast( |
743 | struct crypto_async_request *req) | |
744 | { | |
745 | return container_of(req, struct ablkcipher_request, base); | |
746 | } | |
747 | ||
32e3983f HX |
748 | static inline struct ablkcipher_request *ablkcipher_request_alloc( |
749 | struct crypto_ablkcipher *tfm, gfp_t gfp) | |
750 | { | |
751 | struct ablkcipher_request *req; | |
752 | ||
753 | req = kmalloc(sizeof(struct ablkcipher_request) + | |
754 | crypto_ablkcipher_reqsize(tfm), gfp); | |
755 | ||
756 | if (likely(req)) | |
e196d625 | 757 | ablkcipher_request_set_tfm(req, tfm); |
32e3983f HX |
758 | |
759 | return req; | |
760 | } | |
761 | ||
762 | static inline void ablkcipher_request_free(struct ablkcipher_request *req) | |
763 | { | |
764 | kfree(req); | |
765 | } | |
766 | ||
767 | static inline void ablkcipher_request_set_callback( | |
768 | struct ablkcipher_request *req, | |
769 | u32 flags, crypto_completion_t complete, void *data) | |
770 | { | |
771 | req->base.complete = complete; | |
772 | req->base.data = data; | |
773 | req->base.flags = flags; | |
774 | } | |
775 | ||
776 | static inline void ablkcipher_request_set_crypt( | |
777 | struct ablkcipher_request *req, | |
778 | struct scatterlist *src, struct scatterlist *dst, | |
779 | unsigned int nbytes, void *iv) | |
780 | { | |
781 | req->src = src; | |
782 | req->dst = dst; | |
783 | req->nbytes = nbytes; | |
784 | req->info = iv; | |
785 | } | |
786 | ||
1ae97820 HX |
787 | static inline struct crypto_aead *__crypto_aead_cast(struct crypto_tfm *tfm) |
788 | { | |
789 | return (struct crypto_aead *)tfm; | |
790 | } | |
791 | ||
d29ce988 | 792 | struct crypto_aead *crypto_alloc_aead(const char *alg_name, u32 type, u32 mask); |
1ae97820 HX |
793 | |
794 | static inline struct crypto_tfm *crypto_aead_tfm(struct crypto_aead *tfm) | |
795 | { | |
796 | return &tfm->base; | |
797 | } | |
798 | ||
799 | static inline void crypto_free_aead(struct crypto_aead *tfm) | |
800 | { | |
801 | crypto_free_tfm(crypto_aead_tfm(tfm)); | |
802 | } | |
803 | ||
804 | static inline struct aead_tfm *crypto_aead_crt(struct crypto_aead *tfm) | |
805 | { | |
806 | return &crypto_aead_tfm(tfm)->crt_aead; | |
807 | } | |
808 | ||
809 | static inline unsigned int crypto_aead_ivsize(struct crypto_aead *tfm) | |
810 | { | |
811 | return crypto_aead_crt(tfm)->ivsize; | |
812 | } | |
813 | ||
814 | static inline unsigned int crypto_aead_authsize(struct crypto_aead *tfm) | |
815 | { | |
816 | return crypto_aead_crt(tfm)->authsize; | |
817 | } | |
818 | ||
819 | static inline unsigned int crypto_aead_blocksize(struct crypto_aead *tfm) | |
820 | { | |
821 | return crypto_tfm_alg_blocksize(crypto_aead_tfm(tfm)); | |
822 | } | |
823 | ||
824 | static inline unsigned int crypto_aead_alignmask(struct crypto_aead *tfm) | |
825 | { | |
826 | return crypto_tfm_alg_alignmask(crypto_aead_tfm(tfm)); | |
827 | } | |
828 | ||
829 | static inline u32 crypto_aead_get_flags(struct crypto_aead *tfm) | |
830 | { | |
831 | return crypto_tfm_get_flags(crypto_aead_tfm(tfm)); | |
832 | } | |
833 | ||
834 | static inline void crypto_aead_set_flags(struct crypto_aead *tfm, u32 flags) | |
835 | { | |
836 | crypto_tfm_set_flags(crypto_aead_tfm(tfm), flags); | |
837 | } | |
838 | ||
839 | static inline void crypto_aead_clear_flags(struct crypto_aead *tfm, u32 flags) | |
840 | { | |
841 | crypto_tfm_clear_flags(crypto_aead_tfm(tfm), flags); | |
842 | } | |
843 | ||
844 | static inline int crypto_aead_setkey(struct crypto_aead *tfm, const u8 *key, | |
845 | unsigned int keylen) | |
846 | { | |
5b6d2d7f HX |
847 | struct aead_tfm *crt = crypto_aead_crt(tfm); |
848 | ||
849 | return crt->setkey(crt->base, key, keylen); | |
1ae97820 HX |
850 | } |
851 | ||
7ba683a6 HX |
852 | int crypto_aead_setauthsize(struct crypto_aead *tfm, unsigned int authsize); |
853 | ||
1ae97820 HX |
854 | static inline struct crypto_aead *crypto_aead_reqtfm(struct aead_request *req) |
855 | { | |
856 | return __crypto_aead_cast(req->base.tfm); | |
857 | } | |
858 | ||
859 | static inline int crypto_aead_encrypt(struct aead_request *req) | |
860 | { | |
861 | return crypto_aead_crt(crypto_aead_reqtfm(req))->encrypt(req); | |
862 | } | |
863 | ||
864 | static inline int crypto_aead_decrypt(struct aead_request *req) | |
865 | { | |
866 | return crypto_aead_crt(crypto_aead_reqtfm(req))->decrypt(req); | |
867 | } | |
868 | ||
b16c3a2e | 869 | static inline unsigned int crypto_aead_reqsize(struct crypto_aead *tfm) |
1ae97820 HX |
870 | { |
871 | return crypto_aead_crt(tfm)->reqsize; | |
872 | } | |
873 | ||
874 | static inline void aead_request_set_tfm(struct aead_request *req, | |
875 | struct crypto_aead *tfm) | |
876 | { | |
5b6d2d7f | 877 | req->base.tfm = crypto_aead_tfm(crypto_aead_crt(tfm)->base); |
1ae97820 HX |
878 | } |
879 | ||
880 | static inline struct aead_request *aead_request_alloc(struct crypto_aead *tfm, | |
881 | gfp_t gfp) | |
882 | { | |
883 | struct aead_request *req; | |
884 | ||
885 | req = kmalloc(sizeof(*req) + crypto_aead_reqsize(tfm), gfp); | |
886 | ||
887 | if (likely(req)) | |
888 | aead_request_set_tfm(req, tfm); | |
889 | ||
890 | return req; | |
891 | } | |
892 | ||
893 | static inline void aead_request_free(struct aead_request *req) | |
894 | { | |
895 | kfree(req); | |
896 | } | |
897 | ||
898 | static inline void aead_request_set_callback(struct aead_request *req, | |
899 | u32 flags, | |
900 | crypto_completion_t complete, | |
901 | void *data) | |
902 | { | |
903 | req->base.complete = complete; | |
904 | req->base.data = data; | |
905 | req->base.flags = flags; | |
906 | } | |
907 | ||
908 | static inline void aead_request_set_crypt(struct aead_request *req, | |
909 | struct scatterlist *src, | |
910 | struct scatterlist *dst, | |
911 | unsigned int cryptlen, u8 *iv) | |
912 | { | |
913 | req->src = src; | |
914 | req->dst = dst; | |
915 | req->cryptlen = cryptlen; | |
916 | req->iv = iv; | |
917 | } | |
918 | ||
919 | static inline void aead_request_set_assoc(struct aead_request *req, | |
920 | struct scatterlist *assoc, | |
921 | unsigned int assoclen) | |
922 | { | |
923 | req->assoc = assoc; | |
924 | req->assoclen = assoclen; | |
925 | } | |
926 | ||
5cde0af2 HX |
927 | static inline struct crypto_blkcipher *__crypto_blkcipher_cast( |
928 | struct crypto_tfm *tfm) | |
929 | { | |
930 | return (struct crypto_blkcipher *)tfm; | |
931 | } | |
932 | ||
933 | static inline struct crypto_blkcipher *crypto_blkcipher_cast( | |
934 | struct crypto_tfm *tfm) | |
935 | { | |
936 | BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_BLKCIPHER); | |
937 | return __crypto_blkcipher_cast(tfm); | |
938 | } | |
939 | ||
940 | static inline struct crypto_blkcipher *crypto_alloc_blkcipher( | |
941 | const char *alg_name, u32 type, u32 mask) | |
942 | { | |
332f8840 | 943 | type &= ~CRYPTO_ALG_TYPE_MASK; |
5cde0af2 | 944 | type |= CRYPTO_ALG_TYPE_BLKCIPHER; |
332f8840 | 945 | mask |= CRYPTO_ALG_TYPE_MASK; |
5cde0af2 HX |
946 | |
947 | return __crypto_blkcipher_cast(crypto_alloc_base(alg_name, type, mask)); | |
948 | } | |
949 | ||
950 | static inline struct crypto_tfm *crypto_blkcipher_tfm( | |
951 | struct crypto_blkcipher *tfm) | |
952 | { | |
953 | return &tfm->base; | |
954 | } | |
955 | ||
956 | static inline void crypto_free_blkcipher(struct crypto_blkcipher *tfm) | |
957 | { | |
958 | crypto_free_tfm(crypto_blkcipher_tfm(tfm)); | |
959 | } | |
960 | ||
fce32d70 HX |
961 | static inline int crypto_has_blkcipher(const char *alg_name, u32 type, u32 mask) |
962 | { | |
332f8840 | 963 | type &= ~CRYPTO_ALG_TYPE_MASK; |
fce32d70 | 964 | type |= CRYPTO_ALG_TYPE_BLKCIPHER; |
332f8840 | 965 | mask |= CRYPTO_ALG_TYPE_MASK; |
fce32d70 HX |
966 | |
967 | return crypto_has_alg(alg_name, type, mask); | |
968 | } | |
969 | ||
5cde0af2 HX |
970 | static inline const char *crypto_blkcipher_name(struct crypto_blkcipher *tfm) |
971 | { | |
972 | return crypto_tfm_alg_name(crypto_blkcipher_tfm(tfm)); | |
973 | } | |
974 | ||
975 | static inline struct blkcipher_tfm *crypto_blkcipher_crt( | |
976 | struct crypto_blkcipher *tfm) | |
977 | { | |
978 | return &crypto_blkcipher_tfm(tfm)->crt_blkcipher; | |
979 | } | |
980 | ||
981 | static inline struct blkcipher_alg *crypto_blkcipher_alg( | |
982 | struct crypto_blkcipher *tfm) | |
983 | { | |
984 | return &crypto_blkcipher_tfm(tfm)->__crt_alg->cra_blkcipher; | |
985 | } | |
986 | ||
987 | static inline unsigned int crypto_blkcipher_ivsize(struct crypto_blkcipher *tfm) | |
988 | { | |
989 | return crypto_blkcipher_alg(tfm)->ivsize; | |
990 | } | |
991 | ||
992 | static inline unsigned int crypto_blkcipher_blocksize( | |
993 | struct crypto_blkcipher *tfm) | |
994 | { | |
995 | return crypto_tfm_alg_blocksize(crypto_blkcipher_tfm(tfm)); | |
996 | } | |
997 | ||
998 | static inline unsigned int crypto_blkcipher_alignmask( | |
999 | struct crypto_blkcipher *tfm) | |
1000 | { | |
1001 | return crypto_tfm_alg_alignmask(crypto_blkcipher_tfm(tfm)); | |
1002 | } | |
1003 | ||
1004 | static inline u32 crypto_blkcipher_get_flags(struct crypto_blkcipher *tfm) | |
1005 | { | |
1006 | return crypto_tfm_get_flags(crypto_blkcipher_tfm(tfm)); | |
1007 | } | |
1008 | ||
1009 | static inline void crypto_blkcipher_set_flags(struct crypto_blkcipher *tfm, | |
1010 | u32 flags) | |
1011 | { | |
1012 | crypto_tfm_set_flags(crypto_blkcipher_tfm(tfm), flags); | |
1013 | } | |
1014 | ||
1015 | static inline void crypto_blkcipher_clear_flags(struct crypto_blkcipher *tfm, | |
1016 | u32 flags) | |
1017 | { | |
1018 | crypto_tfm_clear_flags(crypto_blkcipher_tfm(tfm), flags); | |
1019 | } | |
1020 | ||
1021 | static inline int crypto_blkcipher_setkey(struct crypto_blkcipher *tfm, | |
1022 | const u8 *key, unsigned int keylen) | |
1023 | { | |
1024 | return crypto_blkcipher_crt(tfm)->setkey(crypto_blkcipher_tfm(tfm), | |
1025 | key, keylen); | |
1026 | } | |
1027 | ||
1028 | static inline int crypto_blkcipher_encrypt(struct blkcipher_desc *desc, | |
1029 | struct scatterlist *dst, | |
1030 | struct scatterlist *src, | |
1031 | unsigned int nbytes) | |
1032 | { | |
1033 | desc->info = crypto_blkcipher_crt(desc->tfm)->iv; | |
1034 | return crypto_blkcipher_crt(desc->tfm)->encrypt(desc, dst, src, nbytes); | |
1035 | } | |
1036 | ||
1037 | static inline int crypto_blkcipher_encrypt_iv(struct blkcipher_desc *desc, | |
1038 | struct scatterlist *dst, | |
1039 | struct scatterlist *src, | |
1040 | unsigned int nbytes) | |
1041 | { | |
1042 | return crypto_blkcipher_crt(desc->tfm)->encrypt(desc, dst, src, nbytes); | |
1043 | } | |
1044 | ||
1045 | static inline int crypto_blkcipher_decrypt(struct blkcipher_desc *desc, | |
1046 | struct scatterlist *dst, | |
1047 | struct scatterlist *src, | |
1048 | unsigned int nbytes) | |
1049 | { | |
1050 | desc->info = crypto_blkcipher_crt(desc->tfm)->iv; | |
1051 | return crypto_blkcipher_crt(desc->tfm)->decrypt(desc, dst, src, nbytes); | |
1052 | } | |
1053 | ||
1054 | static inline int crypto_blkcipher_decrypt_iv(struct blkcipher_desc *desc, | |
1055 | struct scatterlist *dst, | |
1056 | struct scatterlist *src, | |
1057 | unsigned int nbytes) | |
1058 | { | |
1059 | return crypto_blkcipher_crt(desc->tfm)->decrypt(desc, dst, src, nbytes); | |
1060 | } | |
1061 | ||
1062 | static inline void crypto_blkcipher_set_iv(struct crypto_blkcipher *tfm, | |
1063 | const u8 *src, unsigned int len) | |
1064 | { | |
1065 | memcpy(crypto_blkcipher_crt(tfm)->iv, src, len); | |
1066 | } | |
1067 | ||
1068 | static inline void crypto_blkcipher_get_iv(struct crypto_blkcipher *tfm, | |
1069 | u8 *dst, unsigned int len) | |
1070 | { | |
1071 | memcpy(dst, crypto_blkcipher_crt(tfm)->iv, len); | |
1072 | } | |
1073 | ||
f28776a3 HX |
1074 | static inline struct crypto_cipher *__crypto_cipher_cast(struct crypto_tfm *tfm) |
1075 | { | |
1076 | return (struct crypto_cipher *)tfm; | |
1077 | } | |
1078 | ||
1079 | static inline struct crypto_cipher *crypto_cipher_cast(struct crypto_tfm *tfm) | |
1080 | { | |
1081 | BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_CIPHER); | |
1082 | return __crypto_cipher_cast(tfm); | |
1083 | } | |
1084 | ||
1085 | static inline struct crypto_cipher *crypto_alloc_cipher(const char *alg_name, | |
1086 | u32 type, u32 mask) | |
1087 | { | |
1088 | type &= ~CRYPTO_ALG_TYPE_MASK; | |
1089 | type |= CRYPTO_ALG_TYPE_CIPHER; | |
1090 | mask |= CRYPTO_ALG_TYPE_MASK; | |
1091 | ||
1092 | return __crypto_cipher_cast(crypto_alloc_base(alg_name, type, mask)); | |
1093 | } | |
1094 | ||
1095 | static inline struct crypto_tfm *crypto_cipher_tfm(struct crypto_cipher *tfm) | |
1096 | { | |
78a1fe4f | 1097 | return &tfm->base; |
f28776a3 HX |
1098 | } |
1099 | ||
1100 | static inline void crypto_free_cipher(struct crypto_cipher *tfm) | |
1101 | { | |
1102 | crypto_free_tfm(crypto_cipher_tfm(tfm)); | |
1103 | } | |
1104 | ||
fce32d70 HX |
1105 | static inline int crypto_has_cipher(const char *alg_name, u32 type, u32 mask) |
1106 | { | |
1107 | type &= ~CRYPTO_ALG_TYPE_MASK; | |
1108 | type |= CRYPTO_ALG_TYPE_CIPHER; | |
1109 | mask |= CRYPTO_ALG_TYPE_MASK; | |
1110 | ||
1111 | return crypto_has_alg(alg_name, type, mask); | |
1112 | } | |
1113 | ||
f28776a3 HX |
1114 | static inline struct cipher_tfm *crypto_cipher_crt(struct crypto_cipher *tfm) |
1115 | { | |
1116 | return &crypto_cipher_tfm(tfm)->crt_cipher; | |
1117 | } | |
1118 | ||
1119 | static inline unsigned int crypto_cipher_blocksize(struct crypto_cipher *tfm) | |
1120 | { | |
1121 | return crypto_tfm_alg_blocksize(crypto_cipher_tfm(tfm)); | |
1122 | } | |
1123 | ||
1124 | static inline unsigned int crypto_cipher_alignmask(struct crypto_cipher *tfm) | |
1125 | { | |
1126 | return crypto_tfm_alg_alignmask(crypto_cipher_tfm(tfm)); | |
1127 | } | |
1128 | ||
1129 | static inline u32 crypto_cipher_get_flags(struct crypto_cipher *tfm) | |
1130 | { | |
1131 | return crypto_tfm_get_flags(crypto_cipher_tfm(tfm)); | |
1132 | } | |
1133 | ||
1134 | static inline void crypto_cipher_set_flags(struct crypto_cipher *tfm, | |
1135 | u32 flags) | |
1136 | { | |
1137 | crypto_tfm_set_flags(crypto_cipher_tfm(tfm), flags); | |
1138 | } | |
1139 | ||
1140 | static inline void crypto_cipher_clear_flags(struct crypto_cipher *tfm, | |
1141 | u32 flags) | |
1142 | { | |
1143 | crypto_tfm_clear_flags(crypto_cipher_tfm(tfm), flags); | |
1144 | } | |
1145 | ||
7226bc87 HX |
1146 | static inline int crypto_cipher_setkey(struct crypto_cipher *tfm, |
1147 | const u8 *key, unsigned int keylen) | |
1148 | { | |
1149 | return crypto_cipher_crt(tfm)->cit_setkey(crypto_cipher_tfm(tfm), | |
1150 | key, keylen); | |
1151 | } | |
1152 | ||
f28776a3 HX |
1153 | static inline void crypto_cipher_encrypt_one(struct crypto_cipher *tfm, |
1154 | u8 *dst, const u8 *src) | |
1155 | { | |
1156 | crypto_cipher_crt(tfm)->cit_encrypt_one(crypto_cipher_tfm(tfm), | |
1157 | dst, src); | |
1158 | } | |
1159 | ||
1160 | static inline void crypto_cipher_decrypt_one(struct crypto_cipher *tfm, | |
1161 | u8 *dst, const u8 *src) | |
1162 | { | |
1163 | crypto_cipher_crt(tfm)->cit_decrypt_one(crypto_cipher_tfm(tfm), | |
1164 | dst, src); | |
1165 | } | |
1166 | ||
055bcee3 | 1167 | static inline struct crypto_hash *__crypto_hash_cast(struct crypto_tfm *tfm) |
1da177e4 | 1168 | { |
055bcee3 | 1169 | return (struct crypto_hash *)tfm; |
1da177e4 LT |
1170 | } |
1171 | ||
055bcee3 | 1172 | static inline struct crypto_hash *crypto_hash_cast(struct crypto_tfm *tfm) |
1da177e4 | 1173 | { |
055bcee3 HX |
1174 | BUG_ON((crypto_tfm_alg_type(tfm) ^ CRYPTO_ALG_TYPE_HASH) & |
1175 | CRYPTO_ALG_TYPE_HASH_MASK); | |
1176 | return __crypto_hash_cast(tfm); | |
1da177e4 LT |
1177 | } |
1178 | ||
055bcee3 HX |
1179 | static inline struct crypto_hash *crypto_alloc_hash(const char *alg_name, |
1180 | u32 type, u32 mask) | |
1da177e4 | 1181 | { |
055bcee3 | 1182 | type &= ~CRYPTO_ALG_TYPE_MASK; |
551a09a7 | 1183 | mask &= ~CRYPTO_ALG_TYPE_MASK; |
055bcee3 HX |
1184 | type |= CRYPTO_ALG_TYPE_HASH; |
1185 | mask |= CRYPTO_ALG_TYPE_HASH_MASK; | |
1186 | ||
1187 | return __crypto_hash_cast(crypto_alloc_base(alg_name, type, mask)); | |
1da177e4 LT |
1188 | } |
1189 | ||
055bcee3 | 1190 | static inline struct crypto_tfm *crypto_hash_tfm(struct crypto_hash *tfm) |
1da177e4 | 1191 | { |
055bcee3 HX |
1192 | return &tfm->base; |
1193 | } | |
1194 | ||
1195 | static inline void crypto_free_hash(struct crypto_hash *tfm) | |
1196 | { | |
1197 | crypto_free_tfm(crypto_hash_tfm(tfm)); | |
1198 | } | |
1199 | ||
fce32d70 HX |
1200 | static inline int crypto_has_hash(const char *alg_name, u32 type, u32 mask) |
1201 | { | |
1202 | type &= ~CRYPTO_ALG_TYPE_MASK; | |
551a09a7 | 1203 | mask &= ~CRYPTO_ALG_TYPE_MASK; |
fce32d70 HX |
1204 | type |= CRYPTO_ALG_TYPE_HASH; |
1205 | mask |= CRYPTO_ALG_TYPE_HASH_MASK; | |
1206 | ||
1207 | return crypto_has_alg(alg_name, type, mask); | |
1208 | } | |
1209 | ||
055bcee3 HX |
1210 | static inline struct hash_tfm *crypto_hash_crt(struct crypto_hash *tfm) |
1211 | { | |
1212 | return &crypto_hash_tfm(tfm)->crt_hash; | |
1213 | } | |
1214 | ||
1215 | static inline unsigned int crypto_hash_blocksize(struct crypto_hash *tfm) | |
1216 | { | |
1217 | return crypto_tfm_alg_blocksize(crypto_hash_tfm(tfm)); | |
1218 | } | |
1219 | ||
1220 | static inline unsigned int crypto_hash_alignmask(struct crypto_hash *tfm) | |
1221 | { | |
1222 | return crypto_tfm_alg_alignmask(crypto_hash_tfm(tfm)); | |
1223 | } | |
1224 | ||
1225 | static inline unsigned int crypto_hash_digestsize(struct crypto_hash *tfm) | |
1226 | { | |
1227 | return crypto_hash_crt(tfm)->digestsize; | |
1228 | } | |
1229 | ||
1230 | static inline u32 crypto_hash_get_flags(struct crypto_hash *tfm) | |
1231 | { | |
1232 | return crypto_tfm_get_flags(crypto_hash_tfm(tfm)); | |
1233 | } | |
1234 | ||
1235 | static inline void crypto_hash_set_flags(struct crypto_hash *tfm, u32 flags) | |
1236 | { | |
1237 | crypto_tfm_set_flags(crypto_hash_tfm(tfm), flags); | |
1238 | } | |
1239 | ||
1240 | static inline void crypto_hash_clear_flags(struct crypto_hash *tfm, u32 flags) | |
1241 | { | |
1242 | crypto_tfm_clear_flags(crypto_hash_tfm(tfm), flags); | |
1243 | } | |
1244 | ||
1245 | static inline int crypto_hash_init(struct hash_desc *desc) | |
1246 | { | |
1247 | return crypto_hash_crt(desc->tfm)->init(desc); | |
1248 | } | |
1249 | ||
1250 | static inline int crypto_hash_update(struct hash_desc *desc, | |
1251 | struct scatterlist *sg, | |
1252 | unsigned int nbytes) | |
1253 | { | |
1254 | return crypto_hash_crt(desc->tfm)->update(desc, sg, nbytes); | |
1255 | } | |
1256 | ||
1257 | static inline int crypto_hash_final(struct hash_desc *desc, u8 *out) | |
1258 | { | |
1259 | return crypto_hash_crt(desc->tfm)->final(desc, out); | |
1260 | } | |
1261 | ||
1262 | static inline int crypto_hash_digest(struct hash_desc *desc, | |
1263 | struct scatterlist *sg, | |
1264 | unsigned int nbytes, u8 *out) | |
1265 | { | |
1266 | return crypto_hash_crt(desc->tfm)->digest(desc, sg, nbytes, out); | |
1267 | } | |
1268 | ||
1269 | static inline int crypto_hash_setkey(struct crypto_hash *hash, | |
1270 | const u8 *key, unsigned int keylen) | |
1271 | { | |
1272 | return crypto_hash_crt(hash)->setkey(hash, key, keylen); | |
1da177e4 LT |
1273 | } |
1274 | ||
fce32d70 HX |
1275 | static inline struct crypto_comp *__crypto_comp_cast(struct crypto_tfm *tfm) |
1276 | { | |
1277 | return (struct crypto_comp *)tfm; | |
1278 | } | |
1279 | ||
1280 | static inline struct crypto_comp *crypto_comp_cast(struct crypto_tfm *tfm) | |
1281 | { | |
1282 | BUG_ON((crypto_tfm_alg_type(tfm) ^ CRYPTO_ALG_TYPE_COMPRESS) & | |
1283 | CRYPTO_ALG_TYPE_MASK); | |
1284 | return __crypto_comp_cast(tfm); | |
1285 | } | |
1286 | ||
1287 | static inline struct crypto_comp *crypto_alloc_comp(const char *alg_name, | |
1288 | u32 type, u32 mask) | |
1289 | { | |
1290 | type &= ~CRYPTO_ALG_TYPE_MASK; | |
1291 | type |= CRYPTO_ALG_TYPE_COMPRESS; | |
1292 | mask |= CRYPTO_ALG_TYPE_MASK; | |
1293 | ||
1294 | return __crypto_comp_cast(crypto_alloc_base(alg_name, type, mask)); | |
1295 | } | |
1296 | ||
1297 | static inline struct crypto_tfm *crypto_comp_tfm(struct crypto_comp *tfm) | |
1298 | { | |
78a1fe4f | 1299 | return &tfm->base; |
fce32d70 HX |
1300 | } |
1301 | ||
1302 | static inline void crypto_free_comp(struct crypto_comp *tfm) | |
1303 | { | |
1304 | crypto_free_tfm(crypto_comp_tfm(tfm)); | |
1305 | } | |
1306 | ||
1307 | static inline int crypto_has_comp(const char *alg_name, u32 type, u32 mask) | |
1308 | { | |
1309 | type &= ~CRYPTO_ALG_TYPE_MASK; | |
1310 | type |= CRYPTO_ALG_TYPE_COMPRESS; | |
1311 | mask |= CRYPTO_ALG_TYPE_MASK; | |
1312 | ||
1313 | return crypto_has_alg(alg_name, type, mask); | |
1314 | } | |
1315 | ||
e4d5b79c HX |
1316 | static inline const char *crypto_comp_name(struct crypto_comp *tfm) |
1317 | { | |
1318 | return crypto_tfm_alg_name(crypto_comp_tfm(tfm)); | |
1319 | } | |
1320 | ||
fce32d70 HX |
1321 | static inline struct compress_tfm *crypto_comp_crt(struct crypto_comp *tfm) |
1322 | { | |
1323 | return &crypto_comp_tfm(tfm)->crt_compress; | |
1324 | } | |
1325 | ||
1326 | static inline int crypto_comp_compress(struct crypto_comp *tfm, | |
1da177e4 LT |
1327 | const u8 *src, unsigned int slen, |
1328 | u8 *dst, unsigned int *dlen) | |
1329 | { | |
78a1fe4f HX |
1330 | return crypto_comp_crt(tfm)->cot_compress(crypto_comp_tfm(tfm), |
1331 | src, slen, dst, dlen); | |
1da177e4 LT |
1332 | } |
1333 | ||
fce32d70 | 1334 | static inline int crypto_comp_decompress(struct crypto_comp *tfm, |
1da177e4 LT |
1335 | const u8 *src, unsigned int slen, |
1336 | u8 *dst, unsigned int *dlen) | |
1337 | { | |
78a1fe4f HX |
1338 | return crypto_comp_crt(tfm)->cot_decompress(crypto_comp_tfm(tfm), |
1339 | src, slen, dst, dlen); | |
1da177e4 LT |
1340 | } |
1341 | ||
1da177e4 LT |
1342 | #endif /* _LINUX_CRYPTO_H */ |
1343 |