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