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 | 38 | #define CRYPTO_ALG_TYPE_DIGEST 0x00000008 |
5f7082ed HX |
39 | #define CRYPTO_ALG_TYPE_HASH 0x00000008 |
40 | #define CRYPTO_ALG_TYPE_SHASH 0x00000009 | |
004a403c | 41 | #define CRYPTO_ALG_TYPE_AHASH 0x0000000a |
17f0f4a4 | 42 | #define CRYPTO_ALG_TYPE_RNG 0x0000000c |
a1d2f095 | 43 | #define CRYPTO_ALG_TYPE_PCOMPRESS 0x0000000f |
055bcee3 HX |
44 | |
45 | #define CRYPTO_ALG_TYPE_HASH_MASK 0x0000000e | |
004a403c | 46 | #define CRYPTO_ALG_TYPE_AHASH_MASK 0x0000000c |
332f8840 | 47 | #define CRYPTO_ALG_TYPE_BLKCIPHER_MASK 0x0000000c |
1da177e4 | 48 | |
2825982d | 49 | #define CRYPTO_ALG_LARVAL 0x00000010 |
6bfd4809 HX |
50 | #define CRYPTO_ALG_DEAD 0x00000020 |
51 | #define CRYPTO_ALG_DYING 0x00000040 | |
f3f632d6 | 52 | #define CRYPTO_ALG_ASYNC 0x00000080 |
2825982d | 53 | |
6010439f HX |
54 | /* |
55 | * Set this bit if and only if the algorithm requires another algorithm of | |
56 | * the same type to handle corner cases. | |
57 | */ | |
58 | #define CRYPTO_ALG_NEED_FALLBACK 0x00000100 | |
59 | ||
ecfc4329 HX |
60 | /* |
61 | * This bit is set for symmetric key ciphers that have already been wrapped | |
62 | * with a generic IV generator to prevent them from being wrapped again. | |
63 | */ | |
64 | #define CRYPTO_ALG_GENIV 0x00000200 | |
65 | ||
73d3864a HX |
66 | /* |
67 | * Set if the algorithm has passed automated run-time testing. Note that | |
68 | * if there is no run-time testing for a given algorithm it is considered | |
69 | * to have passed. | |
70 | */ | |
71 | ||
72 | #define CRYPTO_ALG_TESTED 0x00000400 | |
73 | ||
1da177e4 LT |
74 | /* |
75 | * Transform masks and values (for crt_flags). | |
76 | */ | |
1da177e4 LT |
77 | #define CRYPTO_TFM_REQ_MASK 0x000fff00 |
78 | #define CRYPTO_TFM_RES_MASK 0xfff00000 | |
79 | ||
1da177e4 | 80 | #define CRYPTO_TFM_REQ_WEAK_KEY 0x00000100 |
64baf3cf | 81 | #define CRYPTO_TFM_REQ_MAY_SLEEP 0x00000200 |
32e3983f | 82 | #define CRYPTO_TFM_REQ_MAY_BACKLOG 0x00000400 |
1da177e4 LT |
83 | #define CRYPTO_TFM_RES_WEAK_KEY 0x00100000 |
84 | #define CRYPTO_TFM_RES_BAD_KEY_LEN 0x00200000 | |
85 | #define CRYPTO_TFM_RES_BAD_KEY_SCHED 0x00400000 | |
86 | #define CRYPTO_TFM_RES_BAD_BLOCK_LEN 0x00800000 | |
87 | #define CRYPTO_TFM_RES_BAD_FLAGS 0x01000000 | |
88 | ||
89 | /* | |
90 | * Miscellaneous stuff. | |
91 | */ | |
1da177e4 LT |
92 | #define CRYPTO_MAX_ALG_NAME 64 |
93 | ||
79911102 HX |
94 | /* |
95 | * The macro CRYPTO_MINALIGN_ATTR (along with the void * type in the actual | |
96 | * declaration) is used to ensure that the crypto_tfm context structure is | |
97 | * aligned correctly for the given architecture so that there are no alignment | |
98 | * faults for C data types. In particular, this is required on platforms such | |
99 | * as arm where pointers are 32-bit aligned but there are data types such as | |
100 | * u64 which require 64-bit alignment. | |
101 | */ | |
102 | #if defined(ARCH_KMALLOC_MINALIGN) | |
103 | #define CRYPTO_MINALIGN ARCH_KMALLOC_MINALIGN | |
104 | #elif defined(ARCH_SLAB_MINALIGN) | |
105 | #define CRYPTO_MINALIGN ARCH_SLAB_MINALIGN | |
6eb72284 HX |
106 | #else |
107 | #define CRYPTO_MINALIGN __alignof__(unsigned long long) | |
79911102 HX |
108 | #endif |
109 | ||
79911102 | 110 | #define CRYPTO_MINALIGN_ATTR __attribute__ ((__aligned__(CRYPTO_MINALIGN))) |
79911102 | 111 | |
1da177e4 | 112 | struct scatterlist; |
32e3983f HX |
113 | struct crypto_ablkcipher; |
114 | struct crypto_async_request; | |
1ae97820 | 115 | struct crypto_aead; |
5cde0af2 | 116 | struct crypto_blkcipher; |
055bcee3 | 117 | struct crypto_hash; |
004a403c | 118 | struct crypto_ahash; |
17f0f4a4 | 119 | struct crypto_rng; |
40725181 | 120 | struct crypto_tfm; |
e853c3cf | 121 | struct crypto_type; |
743edf57 | 122 | struct aead_givcrypt_request; |
61da88e2 | 123 | struct skcipher_givcrypt_request; |
40725181 | 124 | |
32e3983f HX |
125 | typedef void (*crypto_completion_t)(struct crypto_async_request *req, int err); |
126 | ||
127 | struct crypto_async_request { | |
128 | struct list_head list; | |
129 | crypto_completion_t complete; | |
130 | void *data; | |
131 | struct crypto_tfm *tfm; | |
132 | ||
133 | u32 flags; | |
134 | }; | |
135 | ||
136 | struct ablkcipher_request { | |
137 | struct crypto_async_request base; | |
138 | ||
139 | unsigned int nbytes; | |
140 | ||
141 | void *info; | |
142 | ||
143 | struct scatterlist *src; | |
144 | struct scatterlist *dst; | |
145 | ||
146 | void *__ctx[] CRYPTO_MINALIGN_ATTR; | |
147 | }; | |
148 | ||
004a403c LH |
149 | struct ahash_request { |
150 | struct crypto_async_request base; | |
151 | ||
004a403c LH |
152 | unsigned int nbytes; |
153 | struct scatterlist *src; | |
154 | u8 *result; | |
155 | ||
156 | void *__ctx[] CRYPTO_MINALIGN_ATTR; | |
157 | }; | |
158 | ||
1ae97820 HX |
159 | /** |
160 | * struct aead_request - AEAD request | |
161 | * @base: Common attributes for async crypto requests | |
162 | * @assoclen: Length in bytes of associated data for authentication | |
163 | * @cryptlen: Length of data to be encrypted or decrypted | |
164 | * @iv: Initialisation vector | |
165 | * @assoc: Associated data | |
166 | * @src: Source data | |
167 | * @dst: Destination data | |
168 | * @__ctx: Start of private context data | |
169 | */ | |
170 | struct aead_request { | |
171 | struct crypto_async_request base; | |
172 | ||
173 | unsigned int assoclen; | |
174 | unsigned int cryptlen; | |
175 | ||
176 | u8 *iv; | |
177 | ||
178 | struct scatterlist *assoc; | |
179 | struct scatterlist *src; | |
180 | struct scatterlist *dst; | |
181 | ||
182 | void *__ctx[] CRYPTO_MINALIGN_ATTR; | |
183 | }; | |
184 | ||
5cde0af2 HX |
185 | struct blkcipher_desc { |
186 | struct crypto_blkcipher *tfm; | |
187 | void *info; | |
188 | u32 flags; | |
189 | }; | |
190 | ||
40725181 HX |
191 | struct cipher_desc { |
192 | struct crypto_tfm *tfm; | |
6c2bb98b | 193 | void (*crfn)(struct crypto_tfm *tfm, u8 *dst, const u8 *src); |
40725181 HX |
194 | unsigned int (*prfn)(const struct cipher_desc *desc, u8 *dst, |
195 | const u8 *src, unsigned int nbytes); | |
196 | void *info; | |
197 | }; | |
1da177e4 | 198 | |
055bcee3 HX |
199 | struct hash_desc { |
200 | struct crypto_hash *tfm; | |
201 | u32 flags; | |
202 | }; | |
203 | ||
1da177e4 LT |
204 | /* |
205 | * Algorithms: modular crypto algorithm implementations, managed | |
206 | * via crypto_register_alg() and crypto_unregister_alg(). | |
207 | */ | |
b5b7f088 HX |
208 | struct ablkcipher_alg { |
209 | int (*setkey)(struct crypto_ablkcipher *tfm, const u8 *key, | |
210 | unsigned int keylen); | |
211 | int (*encrypt)(struct ablkcipher_request *req); | |
212 | int (*decrypt)(struct ablkcipher_request *req); | |
61da88e2 HX |
213 | int (*givencrypt)(struct skcipher_givcrypt_request *req); |
214 | int (*givdecrypt)(struct skcipher_givcrypt_request *req); | |
b5b7f088 | 215 | |
23508e11 HX |
216 | const char *geniv; |
217 | ||
b5b7f088 HX |
218 | unsigned int min_keysize; |
219 | unsigned int max_keysize; | |
220 | unsigned int ivsize; | |
221 | }; | |
222 | ||
004a403c LH |
223 | struct ahash_alg { |
224 | int (*init)(struct ahash_request *req); | |
dec8b786 | 225 | int (*reinit)(struct ahash_request *req); |
004a403c LH |
226 | int (*update)(struct ahash_request *req); |
227 | int (*final)(struct ahash_request *req); | |
228 | int (*digest)(struct ahash_request *req); | |
229 | int (*setkey)(struct crypto_ahash *tfm, const u8 *key, | |
230 | unsigned int keylen); | |
231 | ||
232 | unsigned int digestsize; | |
233 | }; | |
234 | ||
1ae97820 HX |
235 | struct aead_alg { |
236 | int (*setkey)(struct crypto_aead *tfm, const u8 *key, | |
237 | unsigned int keylen); | |
7ba683a6 | 238 | int (*setauthsize)(struct crypto_aead *tfm, unsigned int authsize); |
1ae97820 HX |
239 | int (*encrypt)(struct aead_request *req); |
240 | int (*decrypt)(struct aead_request *req); | |
743edf57 HX |
241 | int (*givencrypt)(struct aead_givcrypt_request *req); |
242 | int (*givdecrypt)(struct aead_givcrypt_request *req); | |
1ae97820 | 243 | |
5b6d2d7f HX |
244 | const char *geniv; |
245 | ||
1ae97820 | 246 | unsigned int ivsize; |
7ba683a6 | 247 | unsigned int maxauthsize; |
1ae97820 HX |
248 | }; |
249 | ||
5cde0af2 HX |
250 | struct blkcipher_alg { |
251 | int (*setkey)(struct crypto_tfm *tfm, const u8 *key, | |
252 | unsigned int keylen); | |
253 | int (*encrypt)(struct blkcipher_desc *desc, | |
254 | struct scatterlist *dst, struct scatterlist *src, | |
255 | unsigned int nbytes); | |
256 | int (*decrypt)(struct blkcipher_desc *desc, | |
257 | struct scatterlist *dst, struct scatterlist *src, | |
258 | unsigned int nbytes); | |
259 | ||
23508e11 HX |
260 | const char *geniv; |
261 | ||
5cde0af2 HX |
262 | unsigned int min_keysize; |
263 | unsigned int max_keysize; | |
264 | unsigned int ivsize; | |
265 | }; | |
266 | ||
1da177e4 LT |
267 | struct cipher_alg { |
268 | unsigned int cia_min_keysize; | |
269 | unsigned int cia_max_keysize; | |
6c2bb98b | 270 | int (*cia_setkey)(struct crypto_tfm *tfm, const u8 *key, |
560c06ae | 271 | unsigned int keylen); |
6c2bb98b HX |
272 | void (*cia_encrypt)(struct crypto_tfm *tfm, u8 *dst, const u8 *src); |
273 | void (*cia_decrypt)(struct crypto_tfm *tfm, u8 *dst, const u8 *src); | |
1da177e4 LT |
274 | }; |
275 | ||
276 | struct digest_alg { | |
277 | unsigned int dia_digestsize; | |
6c2bb98b HX |
278 | void (*dia_init)(struct crypto_tfm *tfm); |
279 | void (*dia_update)(struct crypto_tfm *tfm, const u8 *data, | |
280 | unsigned int len); | |
281 | void (*dia_final)(struct crypto_tfm *tfm, u8 *out); | |
282 | int (*dia_setkey)(struct crypto_tfm *tfm, const u8 *key, | |
560c06ae | 283 | unsigned int keylen); |
1da177e4 LT |
284 | }; |
285 | ||
055bcee3 HX |
286 | struct hash_alg { |
287 | int (*init)(struct hash_desc *desc); | |
288 | int (*update)(struct hash_desc *desc, struct scatterlist *sg, | |
289 | unsigned int nbytes); | |
290 | int (*final)(struct hash_desc *desc, u8 *out); | |
291 | int (*digest)(struct hash_desc *desc, struct scatterlist *sg, | |
292 | unsigned int nbytes, u8 *out); | |
293 | int (*setkey)(struct crypto_hash *tfm, const u8 *key, | |
294 | unsigned int keylen); | |
295 | ||
296 | unsigned int digestsize; | |
297 | }; | |
298 | ||
1da177e4 | 299 | struct compress_alg { |
6c2bb98b HX |
300 | int (*coa_compress)(struct crypto_tfm *tfm, const u8 *src, |
301 | unsigned int slen, u8 *dst, unsigned int *dlen); | |
302 | int (*coa_decompress)(struct crypto_tfm *tfm, const u8 *src, | |
303 | unsigned int slen, u8 *dst, unsigned int *dlen); | |
1da177e4 LT |
304 | }; |
305 | ||
17f0f4a4 NH |
306 | struct rng_alg { |
307 | int (*rng_make_random)(struct crypto_rng *tfm, u8 *rdata, | |
308 | unsigned int dlen); | |
309 | int (*rng_reset)(struct crypto_rng *tfm, u8 *seed, unsigned int slen); | |
310 | ||
311 | unsigned int seedsize; | |
312 | }; | |
313 | ||
314 | ||
b5b7f088 | 315 | #define cra_ablkcipher cra_u.ablkcipher |
1ae97820 | 316 | #define cra_aead cra_u.aead |
5cde0af2 | 317 | #define cra_blkcipher cra_u.blkcipher |
1da177e4 LT |
318 | #define cra_cipher cra_u.cipher |
319 | #define cra_digest cra_u.digest | |
055bcee3 | 320 | #define cra_hash cra_u.hash |
004a403c | 321 | #define cra_ahash cra_u.ahash |
1da177e4 | 322 | #define cra_compress cra_u.compress |
17f0f4a4 | 323 | #define cra_rng cra_u.rng |
1da177e4 LT |
324 | |
325 | struct crypto_alg { | |
326 | struct list_head cra_list; | |
6bfd4809 HX |
327 | struct list_head cra_users; |
328 | ||
1da177e4 LT |
329 | u32 cra_flags; |
330 | unsigned int cra_blocksize; | |
331 | unsigned int cra_ctxsize; | |
95477377 | 332 | unsigned int cra_alignmask; |
5cb1454b HX |
333 | |
334 | int cra_priority; | |
6521f302 | 335 | atomic_t cra_refcnt; |
5cb1454b | 336 | |
d913ea0d HX |
337 | char cra_name[CRYPTO_MAX_ALG_NAME]; |
338 | char cra_driver_name[CRYPTO_MAX_ALG_NAME]; | |
1da177e4 | 339 | |
e853c3cf HX |
340 | const struct crypto_type *cra_type; |
341 | ||
1da177e4 | 342 | union { |
b5b7f088 | 343 | struct ablkcipher_alg ablkcipher; |
1ae97820 | 344 | struct aead_alg aead; |
5cde0af2 | 345 | struct blkcipher_alg blkcipher; |
1da177e4 LT |
346 | struct cipher_alg cipher; |
347 | struct digest_alg digest; | |
055bcee3 | 348 | struct hash_alg hash; |
004a403c | 349 | struct ahash_alg ahash; |
1da177e4 | 350 | struct compress_alg compress; |
17f0f4a4 | 351 | struct rng_alg rng; |
1da177e4 | 352 | } cra_u; |
c7fc0599 HX |
353 | |
354 | int (*cra_init)(struct crypto_tfm *tfm); | |
355 | void (*cra_exit)(struct crypto_tfm *tfm); | |
6521f302 | 356 | void (*cra_destroy)(struct crypto_alg *alg); |
1da177e4 LT |
357 | |
358 | struct module *cra_module; | |
359 | }; | |
360 | ||
361 | /* | |
362 | * Algorithm registration interface. | |
363 | */ | |
364 | int crypto_register_alg(struct crypto_alg *alg); | |
365 | int crypto_unregister_alg(struct crypto_alg *alg); | |
366 | ||
367 | /* | |
368 | * Algorithm query interface. | |
369 | */ | |
fce32d70 | 370 | int crypto_has_alg(const char *name, u32 type, u32 mask); |
1da177e4 LT |
371 | |
372 | /* | |
373 | * Transforms: user-instantiated objects which encapsulate algorithms | |
6d7d684d HX |
374 | * and core processing logic. Managed via crypto_alloc_*() and |
375 | * crypto_free_*(), as well as the various helpers below. | |
1da177e4 | 376 | */ |
1da177e4 | 377 | |
32e3983f HX |
378 | struct ablkcipher_tfm { |
379 | int (*setkey)(struct crypto_ablkcipher *tfm, const u8 *key, | |
380 | unsigned int keylen); | |
381 | int (*encrypt)(struct ablkcipher_request *req); | |
382 | int (*decrypt)(struct ablkcipher_request *req); | |
61da88e2 HX |
383 | int (*givencrypt)(struct skcipher_givcrypt_request *req); |
384 | int (*givdecrypt)(struct skcipher_givcrypt_request *req); | |
385 | ||
ecfc4329 HX |
386 | struct crypto_ablkcipher *base; |
387 | ||
32e3983f HX |
388 | unsigned int ivsize; |
389 | unsigned int reqsize; | |
390 | }; | |
391 | ||
1ae97820 HX |
392 | struct aead_tfm { |
393 | int (*setkey)(struct crypto_aead *tfm, const u8 *key, | |
394 | unsigned int keylen); | |
395 | int (*encrypt)(struct aead_request *req); | |
396 | int (*decrypt)(struct aead_request *req); | |
743edf57 HX |
397 | int (*givencrypt)(struct aead_givcrypt_request *req); |
398 | int (*givdecrypt)(struct aead_givcrypt_request *req); | |
5b6d2d7f HX |
399 | |
400 | struct crypto_aead *base; | |
401 | ||
1ae97820 HX |
402 | unsigned int ivsize; |
403 | unsigned int authsize; | |
404 | unsigned int reqsize; | |
405 | }; | |
406 | ||
5cde0af2 HX |
407 | struct blkcipher_tfm { |
408 | void *iv; | |
409 | int (*setkey)(struct crypto_tfm *tfm, const u8 *key, | |
410 | unsigned int keylen); | |
411 | int (*encrypt)(struct blkcipher_desc *desc, struct scatterlist *dst, | |
412 | struct scatterlist *src, unsigned int nbytes); | |
413 | int (*decrypt)(struct blkcipher_desc *desc, struct scatterlist *dst, | |
414 | struct scatterlist *src, unsigned int nbytes); | |
415 | }; | |
416 | ||
1da177e4 | 417 | struct cipher_tfm { |
1da177e4 LT |
418 | int (*cit_setkey)(struct crypto_tfm *tfm, |
419 | const u8 *key, unsigned int keylen); | |
f28776a3 HX |
420 | void (*cit_encrypt_one)(struct crypto_tfm *tfm, u8 *dst, const u8 *src); |
421 | void (*cit_decrypt_one)(struct crypto_tfm *tfm, u8 *dst, const u8 *src); | |
1da177e4 LT |
422 | }; |
423 | ||
055bcee3 HX |
424 | struct hash_tfm { |
425 | int (*init)(struct hash_desc *desc); | |
426 | int (*update)(struct hash_desc *desc, | |
427 | struct scatterlist *sg, unsigned int nsg); | |
428 | int (*final)(struct hash_desc *desc, u8 *out); | |
429 | int (*digest)(struct hash_desc *desc, struct scatterlist *sg, | |
430 | unsigned int nsg, u8 *out); | |
431 | int (*setkey)(struct crypto_hash *tfm, const u8 *key, | |
432 | unsigned int keylen); | |
055bcee3 | 433 | unsigned int digestsize; |
1da177e4 LT |
434 | }; |
435 | ||
004a403c LH |
436 | struct ahash_tfm { |
437 | int (*init)(struct ahash_request *req); | |
438 | int (*update)(struct ahash_request *req); | |
439 | int (*final)(struct ahash_request *req); | |
440 | int (*digest)(struct ahash_request *req); | |
441 | int (*setkey)(struct crypto_ahash *tfm, const u8 *key, | |
442 | unsigned int keylen); | |
443 | ||
444 | unsigned int digestsize; | |
004a403c LH |
445 | unsigned int reqsize; |
446 | }; | |
447 | ||
1da177e4 LT |
448 | struct compress_tfm { |
449 | int (*cot_compress)(struct crypto_tfm *tfm, | |
450 | const u8 *src, unsigned int slen, | |
451 | u8 *dst, unsigned int *dlen); | |
452 | int (*cot_decompress)(struct crypto_tfm *tfm, | |
453 | const u8 *src, unsigned int slen, | |
454 | u8 *dst, unsigned int *dlen); | |
455 | }; | |
456 | ||
17f0f4a4 NH |
457 | struct rng_tfm { |
458 | int (*rng_gen_random)(struct crypto_rng *tfm, u8 *rdata, | |
459 | unsigned int dlen); | |
460 | int (*rng_reset)(struct crypto_rng *tfm, u8 *seed, unsigned int slen); | |
461 | }; | |
462 | ||
32e3983f | 463 | #define crt_ablkcipher crt_u.ablkcipher |
1ae97820 | 464 | #define crt_aead crt_u.aead |
5cde0af2 | 465 | #define crt_blkcipher crt_u.blkcipher |
1da177e4 | 466 | #define crt_cipher crt_u.cipher |
055bcee3 | 467 | #define crt_hash crt_u.hash |
004a403c | 468 | #define crt_ahash crt_u.ahash |
1da177e4 | 469 | #define crt_compress crt_u.compress |
17f0f4a4 | 470 | #define crt_rng crt_u.rng |
1da177e4 LT |
471 | |
472 | struct crypto_tfm { | |
473 | ||
474 | u32 crt_flags; | |
475 | ||
476 | union { | |
32e3983f | 477 | struct ablkcipher_tfm ablkcipher; |
1ae97820 | 478 | struct aead_tfm aead; |
5cde0af2 | 479 | struct blkcipher_tfm blkcipher; |
1da177e4 | 480 | struct cipher_tfm cipher; |
055bcee3 | 481 | struct hash_tfm hash; |
004a403c | 482 | struct ahash_tfm ahash; |
1da177e4 | 483 | struct compress_tfm compress; |
17f0f4a4 | 484 | struct rng_tfm rng; |
1da177e4 | 485 | } crt_u; |
4a779486 HX |
486 | |
487 | void (*exit)(struct crypto_tfm *tfm); | |
1da177e4 LT |
488 | |
489 | struct crypto_alg *__crt_alg; | |
f10b7897 | 490 | |
79911102 | 491 | void *__crt_ctx[] CRYPTO_MINALIGN_ATTR; |
1da177e4 LT |
492 | }; |
493 | ||
32e3983f HX |
494 | struct crypto_ablkcipher { |
495 | struct crypto_tfm base; | |
496 | }; | |
497 | ||
1ae97820 HX |
498 | struct crypto_aead { |
499 | struct crypto_tfm base; | |
500 | }; | |
501 | ||
5cde0af2 HX |
502 | struct crypto_blkcipher { |
503 | struct crypto_tfm base; | |
504 | }; | |
505 | ||
78a1fe4f HX |
506 | struct crypto_cipher { |
507 | struct crypto_tfm base; | |
508 | }; | |
509 | ||
510 | struct crypto_comp { | |
511 | struct crypto_tfm base; | |
512 | }; | |
513 | ||
055bcee3 HX |
514 | struct crypto_hash { |
515 | struct crypto_tfm base; | |
516 | }; | |
517 | ||
17f0f4a4 NH |
518 | struct crypto_rng { |
519 | struct crypto_tfm base; | |
520 | }; | |
521 | ||
2b8c19db HX |
522 | enum { |
523 | CRYPTOA_UNSPEC, | |
524 | CRYPTOA_ALG, | |
ebc610e5 | 525 | CRYPTOA_TYPE, |
39e1ee01 | 526 | CRYPTOA_U32, |
ebc610e5 | 527 | __CRYPTOA_MAX, |
2b8c19db HX |
528 | }; |
529 | ||
ebc610e5 HX |
530 | #define CRYPTOA_MAX (__CRYPTOA_MAX - 1) |
531 | ||
39e1ee01 HX |
532 | /* Maximum number of (rtattr) parameters for each template. */ |
533 | #define CRYPTO_MAX_ATTRS 32 | |
534 | ||
2b8c19db HX |
535 | struct crypto_attr_alg { |
536 | char name[CRYPTO_MAX_ALG_NAME]; | |
537 | }; | |
538 | ||
ebc610e5 HX |
539 | struct crypto_attr_type { |
540 | u32 type; | |
541 | u32 mask; | |
542 | }; | |
543 | ||
39e1ee01 HX |
544 | struct crypto_attr_u32 { |
545 | u32 num; | |
546 | }; | |
547 | ||
1da177e4 LT |
548 | /* |
549 | * Transform user interface. | |
550 | */ | |
551 | ||
6d7d684d | 552 | struct crypto_tfm *crypto_alloc_base(const char *alg_name, u32 type, u32 mask); |
7b2cd92a HX |
553 | void crypto_destroy_tfm(void *mem, struct crypto_tfm *tfm); |
554 | ||
555 | static inline void crypto_free_tfm(struct crypto_tfm *tfm) | |
556 | { | |
557 | return crypto_destroy_tfm(tfm, tfm); | |
558 | } | |
1da177e4 | 559 | |
da7f033d HX |
560 | int alg_test(const char *driver, const char *alg, u32 type, u32 mask); |
561 | ||
1da177e4 LT |
562 | /* |
563 | * Transform helpers which query the underlying algorithm. | |
564 | */ | |
565 | static inline const char *crypto_tfm_alg_name(struct crypto_tfm *tfm) | |
566 | { | |
567 | return tfm->__crt_alg->cra_name; | |
568 | } | |
569 | ||
b14cdd67 ML |
570 | static inline const char *crypto_tfm_alg_driver_name(struct crypto_tfm *tfm) |
571 | { | |
572 | return tfm->__crt_alg->cra_driver_name; | |
573 | } | |
574 | ||
575 | static inline int crypto_tfm_alg_priority(struct crypto_tfm *tfm) | |
576 | { | |
577 | return tfm->__crt_alg->cra_priority; | |
578 | } | |
579 | ||
1da177e4 LT |
580 | static inline const char *crypto_tfm_alg_modname(struct crypto_tfm *tfm) |
581 | { | |
582 | return module_name(tfm->__crt_alg->cra_module); | |
583 | } | |
584 | ||
585 | static inline u32 crypto_tfm_alg_type(struct crypto_tfm *tfm) | |
586 | { | |
587 | return tfm->__crt_alg->cra_flags & CRYPTO_ALG_TYPE_MASK; | |
588 | } | |
589 | ||
1da177e4 LT |
590 | static inline unsigned int crypto_tfm_alg_blocksize(struct crypto_tfm *tfm) |
591 | { | |
592 | return tfm->__crt_alg->cra_blocksize; | |
593 | } | |
594 | ||
fbdae9f3 HX |
595 | static inline unsigned int crypto_tfm_alg_alignmask(struct crypto_tfm *tfm) |
596 | { | |
597 | return tfm->__crt_alg->cra_alignmask; | |
598 | } | |
599 | ||
f28776a3 HX |
600 | static inline u32 crypto_tfm_get_flags(struct crypto_tfm *tfm) |
601 | { | |
602 | return tfm->crt_flags; | |
603 | } | |
604 | ||
605 | static inline void crypto_tfm_set_flags(struct crypto_tfm *tfm, u32 flags) | |
606 | { | |
607 | tfm->crt_flags |= flags; | |
608 | } | |
609 | ||
610 | static inline void crypto_tfm_clear_flags(struct crypto_tfm *tfm, u32 flags) | |
611 | { | |
612 | tfm->crt_flags &= ~flags; | |
613 | } | |
614 | ||
40725181 HX |
615 | static inline void *crypto_tfm_ctx(struct crypto_tfm *tfm) |
616 | { | |
f10b7897 HX |
617 | return tfm->__crt_ctx; |
618 | } | |
619 | ||
620 | static inline unsigned int crypto_tfm_ctx_alignment(void) | |
621 | { | |
622 | struct crypto_tfm *tfm; | |
623 | return __alignof__(tfm->__crt_ctx); | |
40725181 HX |
624 | } |
625 | ||
1da177e4 LT |
626 | /* |
627 | * API wrappers. | |
628 | */ | |
32e3983f HX |
629 | static inline struct crypto_ablkcipher *__crypto_ablkcipher_cast( |
630 | struct crypto_tfm *tfm) | |
631 | { | |
632 | return (struct crypto_ablkcipher *)tfm; | |
633 | } | |
634 | ||
378f4f51 | 635 | static inline u32 crypto_skcipher_type(u32 type) |
32e3983f | 636 | { |
ecfc4329 | 637 | type &= ~(CRYPTO_ALG_TYPE_MASK | CRYPTO_ALG_GENIV); |
32e3983f | 638 | type |= CRYPTO_ALG_TYPE_BLKCIPHER; |
378f4f51 HX |
639 | return type; |
640 | } | |
641 | ||
642 | static inline u32 crypto_skcipher_mask(u32 mask) | |
643 | { | |
ecfc4329 | 644 | mask &= ~(CRYPTO_ALG_TYPE_MASK | CRYPTO_ALG_GENIV); |
332f8840 | 645 | mask |= CRYPTO_ALG_TYPE_BLKCIPHER_MASK; |
378f4f51 HX |
646 | return mask; |
647 | } | |
32e3983f | 648 | |
b9c55aa4 HX |
649 | struct crypto_ablkcipher *crypto_alloc_ablkcipher(const char *alg_name, |
650 | u32 type, u32 mask); | |
32e3983f HX |
651 | |
652 | static inline struct crypto_tfm *crypto_ablkcipher_tfm( | |
653 | struct crypto_ablkcipher *tfm) | |
654 | { | |
655 | return &tfm->base; | |
656 | } | |
657 | ||
658 | static inline void crypto_free_ablkcipher(struct crypto_ablkcipher *tfm) | |
659 | { | |
660 | crypto_free_tfm(crypto_ablkcipher_tfm(tfm)); | |
661 | } | |
662 | ||
663 | static inline int crypto_has_ablkcipher(const char *alg_name, u32 type, | |
664 | u32 mask) | |
665 | { | |
378f4f51 HX |
666 | return crypto_has_alg(alg_name, crypto_skcipher_type(type), |
667 | crypto_skcipher_mask(mask)); | |
32e3983f HX |
668 | } |
669 | ||
670 | static inline struct ablkcipher_tfm *crypto_ablkcipher_crt( | |
671 | struct crypto_ablkcipher *tfm) | |
672 | { | |
673 | return &crypto_ablkcipher_tfm(tfm)->crt_ablkcipher; | |
674 | } | |
675 | ||
676 | static inline unsigned int crypto_ablkcipher_ivsize( | |
677 | struct crypto_ablkcipher *tfm) | |
678 | { | |
679 | return crypto_ablkcipher_crt(tfm)->ivsize; | |
680 | } | |
681 | ||
682 | static inline unsigned int crypto_ablkcipher_blocksize( | |
683 | struct crypto_ablkcipher *tfm) | |
684 | { | |
685 | return crypto_tfm_alg_blocksize(crypto_ablkcipher_tfm(tfm)); | |
686 | } | |
687 | ||
688 | static inline unsigned int crypto_ablkcipher_alignmask( | |
689 | struct crypto_ablkcipher *tfm) | |
690 | { | |
691 | return crypto_tfm_alg_alignmask(crypto_ablkcipher_tfm(tfm)); | |
692 | } | |
693 | ||
694 | static inline u32 crypto_ablkcipher_get_flags(struct crypto_ablkcipher *tfm) | |
695 | { | |
696 | return crypto_tfm_get_flags(crypto_ablkcipher_tfm(tfm)); | |
697 | } | |
698 | ||
699 | static inline void crypto_ablkcipher_set_flags(struct crypto_ablkcipher *tfm, | |
700 | u32 flags) | |
701 | { | |
702 | crypto_tfm_set_flags(crypto_ablkcipher_tfm(tfm), flags); | |
703 | } | |
704 | ||
705 | static inline void crypto_ablkcipher_clear_flags(struct crypto_ablkcipher *tfm, | |
706 | u32 flags) | |
707 | { | |
708 | crypto_tfm_clear_flags(crypto_ablkcipher_tfm(tfm), flags); | |
709 | } | |
710 | ||
711 | static inline int crypto_ablkcipher_setkey(struct crypto_ablkcipher *tfm, | |
712 | const u8 *key, unsigned int keylen) | |
713 | { | |
ecfc4329 HX |
714 | struct ablkcipher_tfm *crt = crypto_ablkcipher_crt(tfm); |
715 | ||
716 | return crt->setkey(crt->base, key, keylen); | |
32e3983f HX |
717 | } |
718 | ||
719 | static inline struct crypto_ablkcipher *crypto_ablkcipher_reqtfm( | |
720 | struct ablkcipher_request *req) | |
721 | { | |
722 | return __crypto_ablkcipher_cast(req->base.tfm); | |
723 | } | |
724 | ||
725 | static inline int crypto_ablkcipher_encrypt(struct ablkcipher_request *req) | |
726 | { | |
727 | struct ablkcipher_tfm *crt = | |
728 | crypto_ablkcipher_crt(crypto_ablkcipher_reqtfm(req)); | |
729 | return crt->encrypt(req); | |
730 | } | |
731 | ||
732 | static inline int crypto_ablkcipher_decrypt(struct ablkcipher_request *req) | |
733 | { | |
734 | struct ablkcipher_tfm *crt = | |
735 | crypto_ablkcipher_crt(crypto_ablkcipher_reqtfm(req)); | |
736 | return crt->decrypt(req); | |
737 | } | |
738 | ||
b16c3a2e HX |
739 | static inline unsigned int crypto_ablkcipher_reqsize( |
740 | struct crypto_ablkcipher *tfm) | |
32e3983f HX |
741 | { |
742 | return crypto_ablkcipher_crt(tfm)->reqsize; | |
743 | } | |
744 | ||
e196d625 HX |
745 | static inline void ablkcipher_request_set_tfm( |
746 | struct ablkcipher_request *req, struct crypto_ablkcipher *tfm) | |
747 | { | |
ecfc4329 | 748 | req->base.tfm = crypto_ablkcipher_tfm(crypto_ablkcipher_crt(tfm)->base); |
e196d625 HX |
749 | } |
750 | ||
b5b7f088 HX |
751 | static inline struct ablkcipher_request *ablkcipher_request_cast( |
752 | struct crypto_async_request *req) | |
753 | { | |
754 | return container_of(req, struct ablkcipher_request, base); | |
755 | } | |
756 | ||
32e3983f HX |
757 | static inline struct ablkcipher_request *ablkcipher_request_alloc( |
758 | struct crypto_ablkcipher *tfm, gfp_t gfp) | |
759 | { | |
760 | struct ablkcipher_request *req; | |
761 | ||
762 | req = kmalloc(sizeof(struct ablkcipher_request) + | |
763 | crypto_ablkcipher_reqsize(tfm), gfp); | |
764 | ||
765 | if (likely(req)) | |
e196d625 | 766 | ablkcipher_request_set_tfm(req, tfm); |
32e3983f HX |
767 | |
768 | return req; | |
769 | } | |
770 | ||
771 | static inline void ablkcipher_request_free(struct ablkcipher_request *req) | |
772 | { | |
773 | kfree(req); | |
774 | } | |
775 | ||
776 | static inline void ablkcipher_request_set_callback( | |
777 | struct ablkcipher_request *req, | |
778 | u32 flags, crypto_completion_t complete, void *data) | |
779 | { | |
780 | req->base.complete = complete; | |
781 | req->base.data = data; | |
782 | req->base.flags = flags; | |
783 | } | |
784 | ||
785 | static inline void ablkcipher_request_set_crypt( | |
786 | struct ablkcipher_request *req, | |
787 | struct scatterlist *src, struct scatterlist *dst, | |
788 | unsigned int nbytes, void *iv) | |
789 | { | |
790 | req->src = src; | |
791 | req->dst = dst; | |
792 | req->nbytes = nbytes; | |
793 | req->info = iv; | |
794 | } | |
795 | ||
1ae97820 HX |
796 | static inline struct crypto_aead *__crypto_aead_cast(struct crypto_tfm *tfm) |
797 | { | |
798 | return (struct crypto_aead *)tfm; | |
799 | } | |
800 | ||
d29ce988 | 801 | struct crypto_aead *crypto_alloc_aead(const char *alg_name, u32 type, u32 mask); |
1ae97820 HX |
802 | |
803 | static inline struct crypto_tfm *crypto_aead_tfm(struct crypto_aead *tfm) | |
804 | { | |
805 | return &tfm->base; | |
806 | } | |
807 | ||
808 | static inline void crypto_free_aead(struct crypto_aead *tfm) | |
809 | { | |
810 | crypto_free_tfm(crypto_aead_tfm(tfm)); | |
811 | } | |
812 | ||
813 | static inline struct aead_tfm *crypto_aead_crt(struct crypto_aead *tfm) | |
814 | { | |
815 | return &crypto_aead_tfm(tfm)->crt_aead; | |
816 | } | |
817 | ||
818 | static inline unsigned int crypto_aead_ivsize(struct crypto_aead *tfm) | |
819 | { | |
820 | return crypto_aead_crt(tfm)->ivsize; | |
821 | } | |
822 | ||
823 | static inline unsigned int crypto_aead_authsize(struct crypto_aead *tfm) | |
824 | { | |
825 | return crypto_aead_crt(tfm)->authsize; | |
826 | } | |
827 | ||
828 | static inline unsigned int crypto_aead_blocksize(struct crypto_aead *tfm) | |
829 | { | |
830 | return crypto_tfm_alg_blocksize(crypto_aead_tfm(tfm)); | |
831 | } | |
832 | ||
833 | static inline unsigned int crypto_aead_alignmask(struct crypto_aead *tfm) | |
834 | { | |
835 | return crypto_tfm_alg_alignmask(crypto_aead_tfm(tfm)); | |
836 | } | |
837 | ||
838 | static inline u32 crypto_aead_get_flags(struct crypto_aead *tfm) | |
839 | { | |
840 | return crypto_tfm_get_flags(crypto_aead_tfm(tfm)); | |
841 | } | |
842 | ||
843 | static inline void crypto_aead_set_flags(struct crypto_aead *tfm, u32 flags) | |
844 | { | |
845 | crypto_tfm_set_flags(crypto_aead_tfm(tfm), flags); | |
846 | } | |
847 | ||
848 | static inline void crypto_aead_clear_flags(struct crypto_aead *tfm, u32 flags) | |
849 | { | |
850 | crypto_tfm_clear_flags(crypto_aead_tfm(tfm), flags); | |
851 | } | |
852 | ||
853 | static inline int crypto_aead_setkey(struct crypto_aead *tfm, const u8 *key, | |
854 | unsigned int keylen) | |
855 | { | |
5b6d2d7f HX |
856 | struct aead_tfm *crt = crypto_aead_crt(tfm); |
857 | ||
858 | return crt->setkey(crt->base, key, keylen); | |
1ae97820 HX |
859 | } |
860 | ||
7ba683a6 HX |
861 | int crypto_aead_setauthsize(struct crypto_aead *tfm, unsigned int authsize); |
862 | ||
1ae97820 HX |
863 | static inline struct crypto_aead *crypto_aead_reqtfm(struct aead_request *req) |
864 | { | |
865 | return __crypto_aead_cast(req->base.tfm); | |
866 | } | |
867 | ||
868 | static inline int crypto_aead_encrypt(struct aead_request *req) | |
869 | { | |
870 | return crypto_aead_crt(crypto_aead_reqtfm(req))->encrypt(req); | |
871 | } | |
872 | ||
873 | static inline int crypto_aead_decrypt(struct aead_request *req) | |
874 | { | |
875 | return crypto_aead_crt(crypto_aead_reqtfm(req))->decrypt(req); | |
876 | } | |
877 | ||
b16c3a2e | 878 | static inline unsigned int crypto_aead_reqsize(struct crypto_aead *tfm) |
1ae97820 HX |
879 | { |
880 | return crypto_aead_crt(tfm)->reqsize; | |
881 | } | |
882 | ||
883 | static inline void aead_request_set_tfm(struct aead_request *req, | |
884 | struct crypto_aead *tfm) | |
885 | { | |
5b6d2d7f | 886 | req->base.tfm = crypto_aead_tfm(crypto_aead_crt(tfm)->base); |
1ae97820 HX |
887 | } |
888 | ||
889 | static inline struct aead_request *aead_request_alloc(struct crypto_aead *tfm, | |
890 | gfp_t gfp) | |
891 | { | |
892 | struct aead_request *req; | |
893 | ||
894 | req = kmalloc(sizeof(*req) + crypto_aead_reqsize(tfm), gfp); | |
895 | ||
896 | if (likely(req)) | |
897 | aead_request_set_tfm(req, tfm); | |
898 | ||
899 | return req; | |
900 | } | |
901 | ||
902 | static inline void aead_request_free(struct aead_request *req) | |
903 | { | |
904 | kfree(req); | |
905 | } | |
906 | ||
907 | static inline void aead_request_set_callback(struct aead_request *req, | |
908 | u32 flags, | |
909 | crypto_completion_t complete, | |
910 | void *data) | |
911 | { | |
912 | req->base.complete = complete; | |
913 | req->base.data = data; | |
914 | req->base.flags = flags; | |
915 | } | |
916 | ||
917 | static inline void aead_request_set_crypt(struct aead_request *req, | |
918 | struct scatterlist *src, | |
919 | struct scatterlist *dst, | |
920 | unsigned int cryptlen, u8 *iv) | |
921 | { | |
922 | req->src = src; | |
923 | req->dst = dst; | |
924 | req->cryptlen = cryptlen; | |
925 | req->iv = iv; | |
926 | } | |
927 | ||
928 | static inline void aead_request_set_assoc(struct aead_request *req, | |
929 | struct scatterlist *assoc, | |
930 | unsigned int assoclen) | |
931 | { | |
932 | req->assoc = assoc; | |
933 | req->assoclen = assoclen; | |
934 | } | |
935 | ||
5cde0af2 HX |
936 | static inline struct crypto_blkcipher *__crypto_blkcipher_cast( |
937 | struct crypto_tfm *tfm) | |
938 | { | |
939 | return (struct crypto_blkcipher *)tfm; | |
940 | } | |
941 | ||
942 | static inline struct crypto_blkcipher *crypto_blkcipher_cast( | |
943 | struct crypto_tfm *tfm) | |
944 | { | |
945 | BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_BLKCIPHER); | |
946 | return __crypto_blkcipher_cast(tfm); | |
947 | } | |
948 | ||
949 | static inline struct crypto_blkcipher *crypto_alloc_blkcipher( | |
950 | const char *alg_name, u32 type, u32 mask) | |
951 | { | |
332f8840 | 952 | type &= ~CRYPTO_ALG_TYPE_MASK; |
5cde0af2 | 953 | type |= CRYPTO_ALG_TYPE_BLKCIPHER; |
332f8840 | 954 | mask |= CRYPTO_ALG_TYPE_MASK; |
5cde0af2 HX |
955 | |
956 | return __crypto_blkcipher_cast(crypto_alloc_base(alg_name, type, mask)); | |
957 | } | |
958 | ||
959 | static inline struct crypto_tfm *crypto_blkcipher_tfm( | |
960 | struct crypto_blkcipher *tfm) | |
961 | { | |
962 | return &tfm->base; | |
963 | } | |
964 | ||
965 | static inline void crypto_free_blkcipher(struct crypto_blkcipher *tfm) | |
966 | { | |
967 | crypto_free_tfm(crypto_blkcipher_tfm(tfm)); | |
968 | } | |
969 | ||
fce32d70 HX |
970 | static inline int crypto_has_blkcipher(const char *alg_name, u32 type, u32 mask) |
971 | { | |
332f8840 | 972 | type &= ~CRYPTO_ALG_TYPE_MASK; |
fce32d70 | 973 | type |= CRYPTO_ALG_TYPE_BLKCIPHER; |
332f8840 | 974 | mask |= CRYPTO_ALG_TYPE_MASK; |
fce32d70 HX |
975 | |
976 | return crypto_has_alg(alg_name, type, mask); | |
977 | } | |
978 | ||
5cde0af2 HX |
979 | static inline const char *crypto_blkcipher_name(struct crypto_blkcipher *tfm) |
980 | { | |
981 | return crypto_tfm_alg_name(crypto_blkcipher_tfm(tfm)); | |
982 | } | |
983 | ||
984 | static inline struct blkcipher_tfm *crypto_blkcipher_crt( | |
985 | struct crypto_blkcipher *tfm) | |
986 | { | |
987 | return &crypto_blkcipher_tfm(tfm)->crt_blkcipher; | |
988 | } | |
989 | ||
990 | static inline struct blkcipher_alg *crypto_blkcipher_alg( | |
991 | struct crypto_blkcipher *tfm) | |
992 | { | |
993 | return &crypto_blkcipher_tfm(tfm)->__crt_alg->cra_blkcipher; | |
994 | } | |
995 | ||
996 | static inline unsigned int crypto_blkcipher_ivsize(struct crypto_blkcipher *tfm) | |
997 | { | |
998 | return crypto_blkcipher_alg(tfm)->ivsize; | |
999 | } | |
1000 | ||
1001 | static inline unsigned int crypto_blkcipher_blocksize( | |
1002 | struct crypto_blkcipher *tfm) | |
1003 | { | |
1004 | return crypto_tfm_alg_blocksize(crypto_blkcipher_tfm(tfm)); | |
1005 | } | |
1006 | ||
1007 | static inline unsigned int crypto_blkcipher_alignmask( | |
1008 | struct crypto_blkcipher *tfm) | |
1009 | { | |
1010 | return crypto_tfm_alg_alignmask(crypto_blkcipher_tfm(tfm)); | |
1011 | } | |
1012 | ||
1013 | static inline u32 crypto_blkcipher_get_flags(struct crypto_blkcipher *tfm) | |
1014 | { | |
1015 | return crypto_tfm_get_flags(crypto_blkcipher_tfm(tfm)); | |
1016 | } | |
1017 | ||
1018 | static inline void crypto_blkcipher_set_flags(struct crypto_blkcipher *tfm, | |
1019 | u32 flags) | |
1020 | { | |
1021 | crypto_tfm_set_flags(crypto_blkcipher_tfm(tfm), flags); | |
1022 | } | |
1023 | ||
1024 | static inline void crypto_blkcipher_clear_flags(struct crypto_blkcipher *tfm, | |
1025 | u32 flags) | |
1026 | { | |
1027 | crypto_tfm_clear_flags(crypto_blkcipher_tfm(tfm), flags); | |
1028 | } | |
1029 | ||
1030 | static inline int crypto_blkcipher_setkey(struct crypto_blkcipher *tfm, | |
1031 | const u8 *key, unsigned int keylen) | |
1032 | { | |
1033 | return crypto_blkcipher_crt(tfm)->setkey(crypto_blkcipher_tfm(tfm), | |
1034 | key, keylen); | |
1035 | } | |
1036 | ||
1037 | static inline int crypto_blkcipher_encrypt(struct blkcipher_desc *desc, | |
1038 | struct scatterlist *dst, | |
1039 | struct scatterlist *src, | |
1040 | unsigned int nbytes) | |
1041 | { | |
1042 | desc->info = crypto_blkcipher_crt(desc->tfm)->iv; | |
1043 | return crypto_blkcipher_crt(desc->tfm)->encrypt(desc, dst, src, nbytes); | |
1044 | } | |
1045 | ||
1046 | static inline int crypto_blkcipher_encrypt_iv(struct blkcipher_desc *desc, | |
1047 | struct scatterlist *dst, | |
1048 | struct scatterlist *src, | |
1049 | unsigned int nbytes) | |
1050 | { | |
1051 | return crypto_blkcipher_crt(desc->tfm)->encrypt(desc, dst, src, nbytes); | |
1052 | } | |
1053 | ||
1054 | static inline int crypto_blkcipher_decrypt(struct blkcipher_desc *desc, | |
1055 | struct scatterlist *dst, | |
1056 | struct scatterlist *src, | |
1057 | unsigned int nbytes) | |
1058 | { | |
1059 | desc->info = crypto_blkcipher_crt(desc->tfm)->iv; | |
1060 | return crypto_blkcipher_crt(desc->tfm)->decrypt(desc, dst, src, nbytes); | |
1061 | } | |
1062 | ||
1063 | static inline int crypto_blkcipher_decrypt_iv(struct blkcipher_desc *desc, | |
1064 | struct scatterlist *dst, | |
1065 | struct scatterlist *src, | |
1066 | unsigned int nbytes) | |
1067 | { | |
1068 | return crypto_blkcipher_crt(desc->tfm)->decrypt(desc, dst, src, nbytes); | |
1069 | } | |
1070 | ||
1071 | static inline void crypto_blkcipher_set_iv(struct crypto_blkcipher *tfm, | |
1072 | const u8 *src, unsigned int len) | |
1073 | { | |
1074 | memcpy(crypto_blkcipher_crt(tfm)->iv, src, len); | |
1075 | } | |
1076 | ||
1077 | static inline void crypto_blkcipher_get_iv(struct crypto_blkcipher *tfm, | |
1078 | u8 *dst, unsigned int len) | |
1079 | { | |
1080 | memcpy(dst, crypto_blkcipher_crt(tfm)->iv, len); | |
1081 | } | |
1082 | ||
f28776a3 HX |
1083 | static inline struct crypto_cipher *__crypto_cipher_cast(struct crypto_tfm *tfm) |
1084 | { | |
1085 | return (struct crypto_cipher *)tfm; | |
1086 | } | |
1087 | ||
1088 | static inline struct crypto_cipher *crypto_cipher_cast(struct crypto_tfm *tfm) | |
1089 | { | |
1090 | BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_CIPHER); | |
1091 | return __crypto_cipher_cast(tfm); | |
1092 | } | |
1093 | ||
1094 | static inline struct crypto_cipher *crypto_alloc_cipher(const char *alg_name, | |
1095 | u32 type, u32 mask) | |
1096 | { | |
1097 | type &= ~CRYPTO_ALG_TYPE_MASK; | |
1098 | type |= CRYPTO_ALG_TYPE_CIPHER; | |
1099 | mask |= CRYPTO_ALG_TYPE_MASK; | |
1100 | ||
1101 | return __crypto_cipher_cast(crypto_alloc_base(alg_name, type, mask)); | |
1102 | } | |
1103 | ||
1104 | static inline struct crypto_tfm *crypto_cipher_tfm(struct crypto_cipher *tfm) | |
1105 | { | |
78a1fe4f | 1106 | return &tfm->base; |
f28776a3 HX |
1107 | } |
1108 | ||
1109 | static inline void crypto_free_cipher(struct crypto_cipher *tfm) | |
1110 | { | |
1111 | crypto_free_tfm(crypto_cipher_tfm(tfm)); | |
1112 | } | |
1113 | ||
fce32d70 HX |
1114 | static inline int crypto_has_cipher(const char *alg_name, u32 type, u32 mask) |
1115 | { | |
1116 | type &= ~CRYPTO_ALG_TYPE_MASK; | |
1117 | type |= CRYPTO_ALG_TYPE_CIPHER; | |
1118 | mask |= CRYPTO_ALG_TYPE_MASK; | |
1119 | ||
1120 | return crypto_has_alg(alg_name, type, mask); | |
1121 | } | |
1122 | ||
f28776a3 HX |
1123 | static inline struct cipher_tfm *crypto_cipher_crt(struct crypto_cipher *tfm) |
1124 | { | |
1125 | return &crypto_cipher_tfm(tfm)->crt_cipher; | |
1126 | } | |
1127 | ||
1128 | static inline unsigned int crypto_cipher_blocksize(struct crypto_cipher *tfm) | |
1129 | { | |
1130 | return crypto_tfm_alg_blocksize(crypto_cipher_tfm(tfm)); | |
1131 | } | |
1132 | ||
1133 | static inline unsigned int crypto_cipher_alignmask(struct crypto_cipher *tfm) | |
1134 | { | |
1135 | return crypto_tfm_alg_alignmask(crypto_cipher_tfm(tfm)); | |
1136 | } | |
1137 | ||
1138 | static inline u32 crypto_cipher_get_flags(struct crypto_cipher *tfm) | |
1139 | { | |
1140 | return crypto_tfm_get_flags(crypto_cipher_tfm(tfm)); | |
1141 | } | |
1142 | ||
1143 | static inline void crypto_cipher_set_flags(struct crypto_cipher *tfm, | |
1144 | u32 flags) | |
1145 | { | |
1146 | crypto_tfm_set_flags(crypto_cipher_tfm(tfm), flags); | |
1147 | } | |
1148 | ||
1149 | static inline void crypto_cipher_clear_flags(struct crypto_cipher *tfm, | |
1150 | u32 flags) | |
1151 | { | |
1152 | crypto_tfm_clear_flags(crypto_cipher_tfm(tfm), flags); | |
1153 | } | |
1154 | ||
7226bc87 HX |
1155 | static inline int crypto_cipher_setkey(struct crypto_cipher *tfm, |
1156 | const u8 *key, unsigned int keylen) | |
1157 | { | |
1158 | return crypto_cipher_crt(tfm)->cit_setkey(crypto_cipher_tfm(tfm), | |
1159 | key, keylen); | |
1160 | } | |
1161 | ||
f28776a3 HX |
1162 | static inline void crypto_cipher_encrypt_one(struct crypto_cipher *tfm, |
1163 | u8 *dst, const u8 *src) | |
1164 | { | |
1165 | crypto_cipher_crt(tfm)->cit_encrypt_one(crypto_cipher_tfm(tfm), | |
1166 | dst, src); | |
1167 | } | |
1168 | ||
1169 | static inline void crypto_cipher_decrypt_one(struct crypto_cipher *tfm, | |
1170 | u8 *dst, const u8 *src) | |
1171 | { | |
1172 | crypto_cipher_crt(tfm)->cit_decrypt_one(crypto_cipher_tfm(tfm), | |
1173 | dst, src); | |
1174 | } | |
1175 | ||
055bcee3 | 1176 | static inline struct crypto_hash *__crypto_hash_cast(struct crypto_tfm *tfm) |
1da177e4 | 1177 | { |
055bcee3 | 1178 | return (struct crypto_hash *)tfm; |
1da177e4 LT |
1179 | } |
1180 | ||
055bcee3 | 1181 | static inline struct crypto_hash *crypto_hash_cast(struct crypto_tfm *tfm) |
1da177e4 | 1182 | { |
055bcee3 HX |
1183 | BUG_ON((crypto_tfm_alg_type(tfm) ^ CRYPTO_ALG_TYPE_HASH) & |
1184 | CRYPTO_ALG_TYPE_HASH_MASK); | |
1185 | return __crypto_hash_cast(tfm); | |
1da177e4 LT |
1186 | } |
1187 | ||
055bcee3 HX |
1188 | static inline struct crypto_hash *crypto_alloc_hash(const char *alg_name, |
1189 | u32 type, u32 mask) | |
1da177e4 | 1190 | { |
055bcee3 | 1191 | type &= ~CRYPTO_ALG_TYPE_MASK; |
551a09a7 | 1192 | mask &= ~CRYPTO_ALG_TYPE_MASK; |
055bcee3 HX |
1193 | type |= CRYPTO_ALG_TYPE_HASH; |
1194 | mask |= CRYPTO_ALG_TYPE_HASH_MASK; | |
1195 | ||
1196 | return __crypto_hash_cast(crypto_alloc_base(alg_name, type, mask)); | |
1da177e4 LT |
1197 | } |
1198 | ||
055bcee3 | 1199 | static inline struct crypto_tfm *crypto_hash_tfm(struct crypto_hash *tfm) |
1da177e4 | 1200 | { |
055bcee3 HX |
1201 | return &tfm->base; |
1202 | } | |
1203 | ||
1204 | static inline void crypto_free_hash(struct crypto_hash *tfm) | |
1205 | { | |
1206 | crypto_free_tfm(crypto_hash_tfm(tfm)); | |
1207 | } | |
1208 | ||
fce32d70 HX |
1209 | static inline int crypto_has_hash(const char *alg_name, u32 type, u32 mask) |
1210 | { | |
1211 | type &= ~CRYPTO_ALG_TYPE_MASK; | |
551a09a7 | 1212 | mask &= ~CRYPTO_ALG_TYPE_MASK; |
fce32d70 HX |
1213 | type |= CRYPTO_ALG_TYPE_HASH; |
1214 | mask |= CRYPTO_ALG_TYPE_HASH_MASK; | |
1215 | ||
1216 | return crypto_has_alg(alg_name, type, mask); | |
1217 | } | |
1218 | ||
055bcee3 HX |
1219 | static inline struct hash_tfm *crypto_hash_crt(struct crypto_hash *tfm) |
1220 | { | |
1221 | return &crypto_hash_tfm(tfm)->crt_hash; | |
1222 | } | |
1223 | ||
1224 | static inline unsigned int crypto_hash_blocksize(struct crypto_hash *tfm) | |
1225 | { | |
1226 | return crypto_tfm_alg_blocksize(crypto_hash_tfm(tfm)); | |
1227 | } | |
1228 | ||
1229 | static inline unsigned int crypto_hash_alignmask(struct crypto_hash *tfm) | |
1230 | { | |
1231 | return crypto_tfm_alg_alignmask(crypto_hash_tfm(tfm)); | |
1232 | } | |
1233 | ||
1234 | static inline unsigned int crypto_hash_digestsize(struct crypto_hash *tfm) | |
1235 | { | |
1236 | return crypto_hash_crt(tfm)->digestsize; | |
1237 | } | |
1238 | ||
1239 | static inline u32 crypto_hash_get_flags(struct crypto_hash *tfm) | |
1240 | { | |
1241 | return crypto_tfm_get_flags(crypto_hash_tfm(tfm)); | |
1242 | } | |
1243 | ||
1244 | static inline void crypto_hash_set_flags(struct crypto_hash *tfm, u32 flags) | |
1245 | { | |
1246 | crypto_tfm_set_flags(crypto_hash_tfm(tfm), flags); | |
1247 | } | |
1248 | ||
1249 | static inline void crypto_hash_clear_flags(struct crypto_hash *tfm, u32 flags) | |
1250 | { | |
1251 | crypto_tfm_clear_flags(crypto_hash_tfm(tfm), flags); | |
1252 | } | |
1253 | ||
1254 | static inline int crypto_hash_init(struct hash_desc *desc) | |
1255 | { | |
1256 | return crypto_hash_crt(desc->tfm)->init(desc); | |
1257 | } | |
1258 | ||
1259 | static inline int crypto_hash_update(struct hash_desc *desc, | |
1260 | struct scatterlist *sg, | |
1261 | unsigned int nbytes) | |
1262 | { | |
1263 | return crypto_hash_crt(desc->tfm)->update(desc, sg, nbytes); | |
1264 | } | |
1265 | ||
1266 | static inline int crypto_hash_final(struct hash_desc *desc, u8 *out) | |
1267 | { | |
1268 | return crypto_hash_crt(desc->tfm)->final(desc, out); | |
1269 | } | |
1270 | ||
1271 | static inline int crypto_hash_digest(struct hash_desc *desc, | |
1272 | struct scatterlist *sg, | |
1273 | unsigned int nbytes, u8 *out) | |
1274 | { | |
1275 | return crypto_hash_crt(desc->tfm)->digest(desc, sg, nbytes, out); | |
1276 | } | |
1277 | ||
1278 | static inline int crypto_hash_setkey(struct crypto_hash *hash, | |
1279 | const u8 *key, unsigned int keylen) | |
1280 | { | |
1281 | return crypto_hash_crt(hash)->setkey(hash, key, keylen); | |
1da177e4 LT |
1282 | } |
1283 | ||
fce32d70 HX |
1284 | static inline struct crypto_comp *__crypto_comp_cast(struct crypto_tfm *tfm) |
1285 | { | |
1286 | return (struct crypto_comp *)tfm; | |
1287 | } | |
1288 | ||
1289 | static inline struct crypto_comp *crypto_comp_cast(struct crypto_tfm *tfm) | |
1290 | { | |
1291 | BUG_ON((crypto_tfm_alg_type(tfm) ^ CRYPTO_ALG_TYPE_COMPRESS) & | |
1292 | CRYPTO_ALG_TYPE_MASK); | |
1293 | return __crypto_comp_cast(tfm); | |
1294 | } | |
1295 | ||
1296 | static inline struct crypto_comp *crypto_alloc_comp(const char *alg_name, | |
1297 | u32 type, u32 mask) | |
1298 | { | |
1299 | type &= ~CRYPTO_ALG_TYPE_MASK; | |
1300 | type |= CRYPTO_ALG_TYPE_COMPRESS; | |
1301 | mask |= CRYPTO_ALG_TYPE_MASK; | |
1302 | ||
1303 | return __crypto_comp_cast(crypto_alloc_base(alg_name, type, mask)); | |
1304 | } | |
1305 | ||
1306 | static inline struct crypto_tfm *crypto_comp_tfm(struct crypto_comp *tfm) | |
1307 | { | |
78a1fe4f | 1308 | return &tfm->base; |
fce32d70 HX |
1309 | } |
1310 | ||
1311 | static inline void crypto_free_comp(struct crypto_comp *tfm) | |
1312 | { | |
1313 | crypto_free_tfm(crypto_comp_tfm(tfm)); | |
1314 | } | |
1315 | ||
1316 | static inline int crypto_has_comp(const char *alg_name, u32 type, u32 mask) | |
1317 | { | |
1318 | type &= ~CRYPTO_ALG_TYPE_MASK; | |
1319 | type |= CRYPTO_ALG_TYPE_COMPRESS; | |
1320 | mask |= CRYPTO_ALG_TYPE_MASK; | |
1321 | ||
1322 | return crypto_has_alg(alg_name, type, mask); | |
1323 | } | |
1324 | ||
e4d5b79c HX |
1325 | static inline const char *crypto_comp_name(struct crypto_comp *tfm) |
1326 | { | |
1327 | return crypto_tfm_alg_name(crypto_comp_tfm(tfm)); | |
1328 | } | |
1329 | ||
fce32d70 HX |
1330 | static inline struct compress_tfm *crypto_comp_crt(struct crypto_comp *tfm) |
1331 | { | |
1332 | return &crypto_comp_tfm(tfm)->crt_compress; | |
1333 | } | |
1334 | ||
1335 | static inline int crypto_comp_compress(struct crypto_comp *tfm, | |
1da177e4 LT |
1336 | const u8 *src, unsigned int slen, |
1337 | u8 *dst, unsigned int *dlen) | |
1338 | { | |
78a1fe4f HX |
1339 | return crypto_comp_crt(tfm)->cot_compress(crypto_comp_tfm(tfm), |
1340 | src, slen, dst, dlen); | |
1da177e4 LT |
1341 | } |
1342 | ||
fce32d70 | 1343 | static inline int crypto_comp_decompress(struct crypto_comp *tfm, |
1da177e4 LT |
1344 | const u8 *src, unsigned int slen, |
1345 | u8 *dst, unsigned int *dlen) | |
1346 | { | |
78a1fe4f HX |
1347 | return crypto_comp_crt(tfm)->cot_decompress(crypto_comp_tfm(tfm), |
1348 | src, slen, dst, dlen); | |
1da177e4 LT |
1349 | } |
1350 | ||
1da177e4 LT |
1351 | #endif /* _LINUX_CRYPTO_H */ |
1352 |