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 | ||
60063497 | 20 | #include <linux/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 | */ | |
79911102 | 102 | #define CRYPTO_MINALIGN ARCH_KMALLOC_MINALIGN |
79911102 | 103 | |
79911102 | 104 | #define CRYPTO_MINALIGN_ATTR __attribute__ ((__aligned__(CRYPTO_MINALIGN))) |
79911102 | 105 | |
1da177e4 | 106 | struct scatterlist; |
32e3983f HX |
107 | struct crypto_ablkcipher; |
108 | struct crypto_async_request; | |
1ae97820 | 109 | struct crypto_aead; |
5cde0af2 | 110 | struct crypto_blkcipher; |
055bcee3 | 111 | struct crypto_hash; |
17f0f4a4 | 112 | struct crypto_rng; |
40725181 | 113 | struct crypto_tfm; |
e853c3cf | 114 | struct crypto_type; |
743edf57 | 115 | struct aead_givcrypt_request; |
61da88e2 | 116 | struct skcipher_givcrypt_request; |
40725181 | 117 | |
32e3983f HX |
118 | typedef void (*crypto_completion_t)(struct crypto_async_request *req, int err); |
119 | ||
120 | struct crypto_async_request { | |
121 | struct list_head list; | |
122 | crypto_completion_t complete; | |
123 | void *data; | |
124 | struct crypto_tfm *tfm; | |
125 | ||
126 | u32 flags; | |
127 | }; | |
128 | ||
129 | struct ablkcipher_request { | |
130 | struct crypto_async_request base; | |
131 | ||
132 | unsigned int nbytes; | |
133 | ||
134 | void *info; | |
135 | ||
136 | struct scatterlist *src; | |
137 | struct scatterlist *dst; | |
138 | ||
139 | void *__ctx[] CRYPTO_MINALIGN_ATTR; | |
140 | }; | |
141 | ||
1ae97820 HX |
142 | /** |
143 | * struct aead_request - AEAD request | |
144 | * @base: Common attributes for async crypto requests | |
145 | * @assoclen: Length in bytes of associated data for authentication | |
146 | * @cryptlen: Length of data to be encrypted or decrypted | |
147 | * @iv: Initialisation vector | |
148 | * @assoc: Associated data | |
149 | * @src: Source data | |
150 | * @dst: Destination data | |
151 | * @__ctx: Start of private context data | |
152 | */ | |
153 | struct aead_request { | |
154 | struct crypto_async_request base; | |
155 | ||
156 | unsigned int assoclen; | |
157 | unsigned int cryptlen; | |
158 | ||
159 | u8 *iv; | |
160 | ||
161 | struct scatterlist *assoc; | |
162 | struct scatterlist *src; | |
163 | struct scatterlist *dst; | |
164 | ||
165 | void *__ctx[] CRYPTO_MINALIGN_ATTR; | |
166 | }; | |
167 | ||
5cde0af2 HX |
168 | struct blkcipher_desc { |
169 | struct crypto_blkcipher *tfm; | |
170 | void *info; | |
171 | u32 flags; | |
172 | }; | |
173 | ||
40725181 HX |
174 | struct cipher_desc { |
175 | struct crypto_tfm *tfm; | |
6c2bb98b | 176 | void (*crfn)(struct crypto_tfm *tfm, u8 *dst, const u8 *src); |
40725181 HX |
177 | unsigned int (*prfn)(const struct cipher_desc *desc, u8 *dst, |
178 | const u8 *src, unsigned int nbytes); | |
179 | void *info; | |
180 | }; | |
1da177e4 | 181 | |
055bcee3 HX |
182 | struct hash_desc { |
183 | struct crypto_hash *tfm; | |
184 | u32 flags; | |
185 | }; | |
186 | ||
1da177e4 LT |
187 | /* |
188 | * Algorithms: modular crypto algorithm implementations, managed | |
189 | * via crypto_register_alg() and crypto_unregister_alg(). | |
190 | */ | |
b5b7f088 HX |
191 | struct ablkcipher_alg { |
192 | int (*setkey)(struct crypto_ablkcipher *tfm, const u8 *key, | |
193 | unsigned int keylen); | |
194 | int (*encrypt)(struct ablkcipher_request *req); | |
195 | int (*decrypt)(struct ablkcipher_request *req); | |
61da88e2 HX |
196 | int (*givencrypt)(struct skcipher_givcrypt_request *req); |
197 | int (*givdecrypt)(struct skcipher_givcrypt_request *req); | |
b5b7f088 | 198 | |
23508e11 HX |
199 | const char *geniv; |
200 | ||
b5b7f088 HX |
201 | unsigned int min_keysize; |
202 | unsigned int max_keysize; | |
203 | unsigned int ivsize; | |
204 | }; | |
205 | ||
1ae97820 HX |
206 | struct aead_alg { |
207 | int (*setkey)(struct crypto_aead *tfm, const u8 *key, | |
208 | unsigned int keylen); | |
7ba683a6 | 209 | int (*setauthsize)(struct crypto_aead *tfm, unsigned int authsize); |
1ae97820 HX |
210 | int (*encrypt)(struct aead_request *req); |
211 | int (*decrypt)(struct aead_request *req); | |
743edf57 HX |
212 | int (*givencrypt)(struct aead_givcrypt_request *req); |
213 | int (*givdecrypt)(struct aead_givcrypt_request *req); | |
1ae97820 | 214 | |
5b6d2d7f HX |
215 | const char *geniv; |
216 | ||
1ae97820 | 217 | unsigned int ivsize; |
7ba683a6 | 218 | unsigned int maxauthsize; |
1ae97820 HX |
219 | }; |
220 | ||
5cde0af2 HX |
221 | struct blkcipher_alg { |
222 | int (*setkey)(struct crypto_tfm *tfm, const u8 *key, | |
223 | unsigned int keylen); | |
224 | int (*encrypt)(struct blkcipher_desc *desc, | |
225 | struct scatterlist *dst, struct scatterlist *src, | |
226 | unsigned int nbytes); | |
227 | int (*decrypt)(struct blkcipher_desc *desc, | |
228 | struct scatterlist *dst, struct scatterlist *src, | |
229 | unsigned int nbytes); | |
230 | ||
23508e11 HX |
231 | const char *geniv; |
232 | ||
5cde0af2 HX |
233 | unsigned int min_keysize; |
234 | unsigned int max_keysize; | |
235 | unsigned int ivsize; | |
236 | }; | |
237 | ||
1da177e4 LT |
238 | struct cipher_alg { |
239 | unsigned int cia_min_keysize; | |
240 | unsigned int cia_max_keysize; | |
6c2bb98b | 241 | int (*cia_setkey)(struct crypto_tfm *tfm, const u8 *key, |
560c06ae | 242 | unsigned int keylen); |
6c2bb98b HX |
243 | void (*cia_encrypt)(struct crypto_tfm *tfm, u8 *dst, const u8 *src); |
244 | void (*cia_decrypt)(struct crypto_tfm *tfm, u8 *dst, const u8 *src); | |
1da177e4 LT |
245 | }; |
246 | ||
1da177e4 | 247 | struct compress_alg { |
6c2bb98b HX |
248 | int (*coa_compress)(struct crypto_tfm *tfm, const u8 *src, |
249 | unsigned int slen, u8 *dst, unsigned int *dlen); | |
250 | int (*coa_decompress)(struct crypto_tfm *tfm, const u8 *src, | |
251 | unsigned int slen, u8 *dst, unsigned int *dlen); | |
1da177e4 LT |
252 | }; |
253 | ||
17f0f4a4 NH |
254 | struct rng_alg { |
255 | int (*rng_make_random)(struct crypto_rng *tfm, u8 *rdata, | |
256 | unsigned int dlen); | |
257 | int (*rng_reset)(struct crypto_rng *tfm, u8 *seed, unsigned int slen); | |
258 | ||
259 | unsigned int seedsize; | |
260 | }; | |
261 | ||
262 | ||
b5b7f088 | 263 | #define cra_ablkcipher cra_u.ablkcipher |
1ae97820 | 264 | #define cra_aead cra_u.aead |
5cde0af2 | 265 | #define cra_blkcipher cra_u.blkcipher |
1da177e4 | 266 | #define cra_cipher cra_u.cipher |
1da177e4 | 267 | #define cra_compress cra_u.compress |
17f0f4a4 | 268 | #define cra_rng cra_u.rng |
1da177e4 LT |
269 | |
270 | struct crypto_alg { | |
271 | struct list_head cra_list; | |
6bfd4809 HX |
272 | struct list_head cra_users; |
273 | ||
1da177e4 LT |
274 | u32 cra_flags; |
275 | unsigned int cra_blocksize; | |
276 | unsigned int cra_ctxsize; | |
95477377 | 277 | unsigned int cra_alignmask; |
5cb1454b HX |
278 | |
279 | int cra_priority; | |
6521f302 | 280 | atomic_t cra_refcnt; |
5cb1454b | 281 | |
d913ea0d HX |
282 | char cra_name[CRYPTO_MAX_ALG_NAME]; |
283 | char cra_driver_name[CRYPTO_MAX_ALG_NAME]; | |
1da177e4 | 284 | |
e853c3cf HX |
285 | const struct crypto_type *cra_type; |
286 | ||
1da177e4 | 287 | union { |
b5b7f088 | 288 | struct ablkcipher_alg ablkcipher; |
1ae97820 | 289 | struct aead_alg aead; |
5cde0af2 | 290 | struct blkcipher_alg blkcipher; |
1da177e4 | 291 | struct cipher_alg cipher; |
1da177e4 | 292 | struct compress_alg compress; |
17f0f4a4 | 293 | struct rng_alg rng; |
1da177e4 | 294 | } cra_u; |
c7fc0599 HX |
295 | |
296 | int (*cra_init)(struct crypto_tfm *tfm); | |
297 | void (*cra_exit)(struct crypto_tfm *tfm); | |
6521f302 | 298 | void (*cra_destroy)(struct crypto_alg *alg); |
1da177e4 LT |
299 | |
300 | struct module *cra_module; | |
301 | }; | |
302 | ||
303 | /* | |
304 | * Algorithm registration interface. | |
305 | */ | |
306 | int crypto_register_alg(struct crypto_alg *alg); | |
307 | int crypto_unregister_alg(struct crypto_alg *alg); | |
308 | ||
309 | /* | |
310 | * Algorithm query interface. | |
311 | */ | |
fce32d70 | 312 | int crypto_has_alg(const char *name, u32 type, u32 mask); |
1da177e4 LT |
313 | |
314 | /* | |
315 | * Transforms: user-instantiated objects which encapsulate algorithms | |
6d7d684d HX |
316 | * and core processing logic. Managed via crypto_alloc_*() and |
317 | * crypto_free_*(), as well as the various helpers below. | |
1da177e4 | 318 | */ |
1da177e4 | 319 | |
32e3983f HX |
320 | struct ablkcipher_tfm { |
321 | int (*setkey)(struct crypto_ablkcipher *tfm, const u8 *key, | |
322 | unsigned int keylen); | |
323 | int (*encrypt)(struct ablkcipher_request *req); | |
324 | int (*decrypt)(struct ablkcipher_request *req); | |
61da88e2 HX |
325 | int (*givencrypt)(struct skcipher_givcrypt_request *req); |
326 | int (*givdecrypt)(struct skcipher_givcrypt_request *req); | |
327 | ||
ecfc4329 HX |
328 | struct crypto_ablkcipher *base; |
329 | ||
32e3983f HX |
330 | unsigned int ivsize; |
331 | unsigned int reqsize; | |
332 | }; | |
333 | ||
1ae97820 HX |
334 | struct aead_tfm { |
335 | int (*setkey)(struct crypto_aead *tfm, const u8 *key, | |
336 | unsigned int keylen); | |
337 | int (*encrypt)(struct aead_request *req); | |
338 | int (*decrypt)(struct aead_request *req); | |
743edf57 HX |
339 | int (*givencrypt)(struct aead_givcrypt_request *req); |
340 | int (*givdecrypt)(struct aead_givcrypt_request *req); | |
5b6d2d7f HX |
341 | |
342 | struct crypto_aead *base; | |
343 | ||
1ae97820 HX |
344 | unsigned int ivsize; |
345 | unsigned int authsize; | |
346 | unsigned int reqsize; | |
347 | }; | |
348 | ||
5cde0af2 HX |
349 | struct blkcipher_tfm { |
350 | void *iv; | |
351 | int (*setkey)(struct crypto_tfm *tfm, const u8 *key, | |
352 | unsigned int keylen); | |
353 | int (*encrypt)(struct blkcipher_desc *desc, struct scatterlist *dst, | |
354 | struct scatterlist *src, unsigned int nbytes); | |
355 | int (*decrypt)(struct blkcipher_desc *desc, struct scatterlist *dst, | |
356 | struct scatterlist *src, unsigned int nbytes); | |
357 | }; | |
358 | ||
1da177e4 | 359 | struct cipher_tfm { |
1da177e4 LT |
360 | int (*cit_setkey)(struct crypto_tfm *tfm, |
361 | const u8 *key, unsigned int keylen); | |
f28776a3 HX |
362 | void (*cit_encrypt_one)(struct crypto_tfm *tfm, u8 *dst, const u8 *src); |
363 | void (*cit_decrypt_one)(struct crypto_tfm *tfm, u8 *dst, const u8 *src); | |
1da177e4 LT |
364 | }; |
365 | ||
055bcee3 HX |
366 | struct hash_tfm { |
367 | int (*init)(struct hash_desc *desc); | |
368 | int (*update)(struct hash_desc *desc, | |
369 | struct scatterlist *sg, unsigned int nsg); | |
370 | int (*final)(struct hash_desc *desc, u8 *out); | |
371 | int (*digest)(struct hash_desc *desc, struct scatterlist *sg, | |
372 | unsigned int nsg, u8 *out); | |
373 | int (*setkey)(struct crypto_hash *tfm, const u8 *key, | |
374 | unsigned int keylen); | |
055bcee3 | 375 | unsigned int digestsize; |
1da177e4 LT |
376 | }; |
377 | ||
378 | struct compress_tfm { | |
379 | int (*cot_compress)(struct crypto_tfm *tfm, | |
380 | const u8 *src, unsigned int slen, | |
381 | u8 *dst, unsigned int *dlen); | |
382 | int (*cot_decompress)(struct crypto_tfm *tfm, | |
383 | const u8 *src, unsigned int slen, | |
384 | u8 *dst, unsigned int *dlen); | |
385 | }; | |
386 | ||
17f0f4a4 NH |
387 | struct rng_tfm { |
388 | int (*rng_gen_random)(struct crypto_rng *tfm, u8 *rdata, | |
389 | unsigned int dlen); | |
390 | int (*rng_reset)(struct crypto_rng *tfm, u8 *seed, unsigned int slen); | |
391 | }; | |
392 | ||
32e3983f | 393 | #define crt_ablkcipher crt_u.ablkcipher |
1ae97820 | 394 | #define crt_aead crt_u.aead |
5cde0af2 | 395 | #define crt_blkcipher crt_u.blkcipher |
1da177e4 | 396 | #define crt_cipher crt_u.cipher |
055bcee3 | 397 | #define crt_hash crt_u.hash |
1da177e4 | 398 | #define crt_compress crt_u.compress |
17f0f4a4 | 399 | #define crt_rng crt_u.rng |
1da177e4 LT |
400 | |
401 | struct crypto_tfm { | |
402 | ||
403 | u32 crt_flags; | |
404 | ||
405 | union { | |
32e3983f | 406 | struct ablkcipher_tfm ablkcipher; |
1ae97820 | 407 | struct aead_tfm aead; |
5cde0af2 | 408 | struct blkcipher_tfm blkcipher; |
1da177e4 | 409 | struct cipher_tfm cipher; |
055bcee3 | 410 | struct hash_tfm hash; |
1da177e4 | 411 | struct compress_tfm compress; |
17f0f4a4 | 412 | struct rng_tfm rng; |
1da177e4 | 413 | } crt_u; |
4a779486 HX |
414 | |
415 | void (*exit)(struct crypto_tfm *tfm); | |
1da177e4 LT |
416 | |
417 | struct crypto_alg *__crt_alg; | |
f10b7897 | 418 | |
79911102 | 419 | void *__crt_ctx[] CRYPTO_MINALIGN_ATTR; |
1da177e4 LT |
420 | }; |
421 | ||
32e3983f HX |
422 | struct crypto_ablkcipher { |
423 | struct crypto_tfm base; | |
424 | }; | |
425 | ||
1ae97820 HX |
426 | struct crypto_aead { |
427 | struct crypto_tfm base; | |
428 | }; | |
429 | ||
5cde0af2 HX |
430 | struct crypto_blkcipher { |
431 | struct crypto_tfm base; | |
432 | }; | |
433 | ||
78a1fe4f HX |
434 | struct crypto_cipher { |
435 | struct crypto_tfm base; | |
436 | }; | |
437 | ||
438 | struct crypto_comp { | |
439 | struct crypto_tfm base; | |
440 | }; | |
441 | ||
055bcee3 HX |
442 | struct crypto_hash { |
443 | struct crypto_tfm base; | |
444 | }; | |
445 | ||
17f0f4a4 NH |
446 | struct crypto_rng { |
447 | struct crypto_tfm base; | |
448 | }; | |
449 | ||
2b8c19db HX |
450 | enum { |
451 | CRYPTOA_UNSPEC, | |
452 | CRYPTOA_ALG, | |
ebc610e5 | 453 | CRYPTOA_TYPE, |
39e1ee01 | 454 | CRYPTOA_U32, |
ebc610e5 | 455 | __CRYPTOA_MAX, |
2b8c19db HX |
456 | }; |
457 | ||
ebc610e5 HX |
458 | #define CRYPTOA_MAX (__CRYPTOA_MAX - 1) |
459 | ||
39e1ee01 HX |
460 | /* Maximum number of (rtattr) parameters for each template. */ |
461 | #define CRYPTO_MAX_ATTRS 32 | |
462 | ||
2b8c19db HX |
463 | struct crypto_attr_alg { |
464 | char name[CRYPTO_MAX_ALG_NAME]; | |
465 | }; | |
466 | ||
ebc610e5 HX |
467 | struct crypto_attr_type { |
468 | u32 type; | |
469 | u32 mask; | |
470 | }; | |
471 | ||
39e1ee01 HX |
472 | struct crypto_attr_u32 { |
473 | u32 num; | |
474 | }; | |
475 | ||
1da177e4 LT |
476 | /* |
477 | * Transform user interface. | |
478 | */ | |
479 | ||
6d7d684d | 480 | struct crypto_tfm *crypto_alloc_base(const char *alg_name, u32 type, u32 mask); |
7b2cd92a HX |
481 | void crypto_destroy_tfm(void *mem, struct crypto_tfm *tfm); |
482 | ||
483 | static inline void crypto_free_tfm(struct crypto_tfm *tfm) | |
484 | { | |
485 | return crypto_destroy_tfm(tfm, tfm); | |
486 | } | |
1da177e4 | 487 | |
da7f033d HX |
488 | int alg_test(const char *driver, const char *alg, u32 type, u32 mask); |
489 | ||
1da177e4 LT |
490 | /* |
491 | * Transform helpers which query the underlying algorithm. | |
492 | */ | |
493 | static inline const char *crypto_tfm_alg_name(struct crypto_tfm *tfm) | |
494 | { | |
495 | return tfm->__crt_alg->cra_name; | |
496 | } | |
497 | ||
b14cdd67 ML |
498 | static inline const char *crypto_tfm_alg_driver_name(struct crypto_tfm *tfm) |
499 | { | |
500 | return tfm->__crt_alg->cra_driver_name; | |
501 | } | |
502 | ||
503 | static inline int crypto_tfm_alg_priority(struct crypto_tfm *tfm) | |
504 | { | |
505 | return tfm->__crt_alg->cra_priority; | |
506 | } | |
507 | ||
1da177e4 LT |
508 | static inline const char *crypto_tfm_alg_modname(struct crypto_tfm *tfm) |
509 | { | |
510 | return module_name(tfm->__crt_alg->cra_module); | |
511 | } | |
512 | ||
513 | static inline u32 crypto_tfm_alg_type(struct crypto_tfm *tfm) | |
514 | { | |
515 | return tfm->__crt_alg->cra_flags & CRYPTO_ALG_TYPE_MASK; | |
516 | } | |
517 | ||
1da177e4 LT |
518 | static inline unsigned int crypto_tfm_alg_blocksize(struct crypto_tfm *tfm) |
519 | { | |
520 | return tfm->__crt_alg->cra_blocksize; | |
521 | } | |
522 | ||
fbdae9f3 HX |
523 | static inline unsigned int crypto_tfm_alg_alignmask(struct crypto_tfm *tfm) |
524 | { | |
525 | return tfm->__crt_alg->cra_alignmask; | |
526 | } | |
527 | ||
f28776a3 HX |
528 | static inline u32 crypto_tfm_get_flags(struct crypto_tfm *tfm) |
529 | { | |
530 | return tfm->crt_flags; | |
531 | } | |
532 | ||
533 | static inline void crypto_tfm_set_flags(struct crypto_tfm *tfm, u32 flags) | |
534 | { | |
535 | tfm->crt_flags |= flags; | |
536 | } | |
537 | ||
538 | static inline void crypto_tfm_clear_flags(struct crypto_tfm *tfm, u32 flags) | |
539 | { | |
540 | tfm->crt_flags &= ~flags; | |
541 | } | |
542 | ||
40725181 HX |
543 | static inline void *crypto_tfm_ctx(struct crypto_tfm *tfm) |
544 | { | |
f10b7897 HX |
545 | return tfm->__crt_ctx; |
546 | } | |
547 | ||
548 | static inline unsigned int crypto_tfm_ctx_alignment(void) | |
549 | { | |
550 | struct crypto_tfm *tfm; | |
551 | return __alignof__(tfm->__crt_ctx); | |
40725181 HX |
552 | } |
553 | ||
1da177e4 LT |
554 | /* |
555 | * API wrappers. | |
556 | */ | |
32e3983f HX |
557 | static inline struct crypto_ablkcipher *__crypto_ablkcipher_cast( |
558 | struct crypto_tfm *tfm) | |
559 | { | |
560 | return (struct crypto_ablkcipher *)tfm; | |
561 | } | |
562 | ||
378f4f51 | 563 | static inline u32 crypto_skcipher_type(u32 type) |
32e3983f | 564 | { |
ecfc4329 | 565 | type &= ~(CRYPTO_ALG_TYPE_MASK | CRYPTO_ALG_GENIV); |
32e3983f | 566 | type |= CRYPTO_ALG_TYPE_BLKCIPHER; |
378f4f51 HX |
567 | return type; |
568 | } | |
569 | ||
570 | static inline u32 crypto_skcipher_mask(u32 mask) | |
571 | { | |
ecfc4329 | 572 | mask &= ~(CRYPTO_ALG_TYPE_MASK | CRYPTO_ALG_GENIV); |
332f8840 | 573 | mask |= CRYPTO_ALG_TYPE_BLKCIPHER_MASK; |
378f4f51 HX |
574 | return mask; |
575 | } | |
32e3983f | 576 | |
b9c55aa4 HX |
577 | struct crypto_ablkcipher *crypto_alloc_ablkcipher(const char *alg_name, |
578 | u32 type, u32 mask); | |
32e3983f HX |
579 | |
580 | static inline struct crypto_tfm *crypto_ablkcipher_tfm( | |
581 | struct crypto_ablkcipher *tfm) | |
582 | { | |
583 | return &tfm->base; | |
584 | } | |
585 | ||
586 | static inline void crypto_free_ablkcipher(struct crypto_ablkcipher *tfm) | |
587 | { | |
588 | crypto_free_tfm(crypto_ablkcipher_tfm(tfm)); | |
589 | } | |
590 | ||
591 | static inline int crypto_has_ablkcipher(const char *alg_name, u32 type, | |
592 | u32 mask) | |
593 | { | |
378f4f51 HX |
594 | return crypto_has_alg(alg_name, crypto_skcipher_type(type), |
595 | crypto_skcipher_mask(mask)); | |
32e3983f HX |
596 | } |
597 | ||
598 | static inline struct ablkcipher_tfm *crypto_ablkcipher_crt( | |
599 | struct crypto_ablkcipher *tfm) | |
600 | { | |
601 | return &crypto_ablkcipher_tfm(tfm)->crt_ablkcipher; | |
602 | } | |
603 | ||
604 | static inline unsigned int crypto_ablkcipher_ivsize( | |
605 | struct crypto_ablkcipher *tfm) | |
606 | { | |
607 | return crypto_ablkcipher_crt(tfm)->ivsize; | |
608 | } | |
609 | ||
610 | static inline unsigned int crypto_ablkcipher_blocksize( | |
611 | struct crypto_ablkcipher *tfm) | |
612 | { | |
613 | return crypto_tfm_alg_blocksize(crypto_ablkcipher_tfm(tfm)); | |
614 | } | |
615 | ||
616 | static inline unsigned int crypto_ablkcipher_alignmask( | |
617 | struct crypto_ablkcipher *tfm) | |
618 | { | |
619 | return crypto_tfm_alg_alignmask(crypto_ablkcipher_tfm(tfm)); | |
620 | } | |
621 | ||
622 | static inline u32 crypto_ablkcipher_get_flags(struct crypto_ablkcipher *tfm) | |
623 | { | |
624 | return crypto_tfm_get_flags(crypto_ablkcipher_tfm(tfm)); | |
625 | } | |
626 | ||
627 | static inline void crypto_ablkcipher_set_flags(struct crypto_ablkcipher *tfm, | |
628 | u32 flags) | |
629 | { | |
630 | crypto_tfm_set_flags(crypto_ablkcipher_tfm(tfm), flags); | |
631 | } | |
632 | ||
633 | static inline void crypto_ablkcipher_clear_flags(struct crypto_ablkcipher *tfm, | |
634 | u32 flags) | |
635 | { | |
636 | crypto_tfm_clear_flags(crypto_ablkcipher_tfm(tfm), flags); | |
637 | } | |
638 | ||
639 | static inline int crypto_ablkcipher_setkey(struct crypto_ablkcipher *tfm, | |
640 | const u8 *key, unsigned int keylen) | |
641 | { | |
ecfc4329 HX |
642 | struct ablkcipher_tfm *crt = crypto_ablkcipher_crt(tfm); |
643 | ||
644 | return crt->setkey(crt->base, key, keylen); | |
32e3983f HX |
645 | } |
646 | ||
647 | static inline struct crypto_ablkcipher *crypto_ablkcipher_reqtfm( | |
648 | struct ablkcipher_request *req) | |
649 | { | |
650 | return __crypto_ablkcipher_cast(req->base.tfm); | |
651 | } | |
652 | ||
653 | static inline int crypto_ablkcipher_encrypt(struct ablkcipher_request *req) | |
654 | { | |
655 | struct ablkcipher_tfm *crt = | |
656 | crypto_ablkcipher_crt(crypto_ablkcipher_reqtfm(req)); | |
657 | return crt->encrypt(req); | |
658 | } | |
659 | ||
660 | static inline int crypto_ablkcipher_decrypt(struct ablkcipher_request *req) | |
661 | { | |
662 | struct ablkcipher_tfm *crt = | |
663 | crypto_ablkcipher_crt(crypto_ablkcipher_reqtfm(req)); | |
664 | return crt->decrypt(req); | |
665 | } | |
666 | ||
b16c3a2e HX |
667 | static inline unsigned int crypto_ablkcipher_reqsize( |
668 | struct crypto_ablkcipher *tfm) | |
32e3983f HX |
669 | { |
670 | return crypto_ablkcipher_crt(tfm)->reqsize; | |
671 | } | |
672 | ||
e196d625 HX |
673 | static inline void ablkcipher_request_set_tfm( |
674 | struct ablkcipher_request *req, struct crypto_ablkcipher *tfm) | |
675 | { | |
ecfc4329 | 676 | req->base.tfm = crypto_ablkcipher_tfm(crypto_ablkcipher_crt(tfm)->base); |
e196d625 HX |
677 | } |
678 | ||
b5b7f088 HX |
679 | static inline struct ablkcipher_request *ablkcipher_request_cast( |
680 | struct crypto_async_request *req) | |
681 | { | |
682 | return container_of(req, struct ablkcipher_request, base); | |
683 | } | |
684 | ||
32e3983f HX |
685 | static inline struct ablkcipher_request *ablkcipher_request_alloc( |
686 | struct crypto_ablkcipher *tfm, gfp_t gfp) | |
687 | { | |
688 | struct ablkcipher_request *req; | |
689 | ||
690 | req = kmalloc(sizeof(struct ablkcipher_request) + | |
691 | crypto_ablkcipher_reqsize(tfm), gfp); | |
692 | ||
693 | if (likely(req)) | |
e196d625 | 694 | ablkcipher_request_set_tfm(req, tfm); |
32e3983f HX |
695 | |
696 | return req; | |
697 | } | |
698 | ||
699 | static inline void ablkcipher_request_free(struct ablkcipher_request *req) | |
700 | { | |
aef73cfc | 701 | kzfree(req); |
32e3983f HX |
702 | } |
703 | ||
704 | static inline void ablkcipher_request_set_callback( | |
705 | struct ablkcipher_request *req, | |
706 | u32 flags, crypto_completion_t complete, void *data) | |
707 | { | |
708 | req->base.complete = complete; | |
709 | req->base.data = data; | |
710 | req->base.flags = flags; | |
711 | } | |
712 | ||
713 | static inline void ablkcipher_request_set_crypt( | |
714 | struct ablkcipher_request *req, | |
715 | struct scatterlist *src, struct scatterlist *dst, | |
716 | unsigned int nbytes, void *iv) | |
717 | { | |
718 | req->src = src; | |
719 | req->dst = dst; | |
720 | req->nbytes = nbytes; | |
721 | req->info = iv; | |
722 | } | |
723 | ||
1ae97820 HX |
724 | static inline struct crypto_aead *__crypto_aead_cast(struct crypto_tfm *tfm) |
725 | { | |
726 | return (struct crypto_aead *)tfm; | |
727 | } | |
728 | ||
d29ce988 | 729 | struct crypto_aead *crypto_alloc_aead(const char *alg_name, u32 type, u32 mask); |
1ae97820 HX |
730 | |
731 | static inline struct crypto_tfm *crypto_aead_tfm(struct crypto_aead *tfm) | |
732 | { | |
733 | return &tfm->base; | |
734 | } | |
735 | ||
736 | static inline void crypto_free_aead(struct crypto_aead *tfm) | |
737 | { | |
738 | crypto_free_tfm(crypto_aead_tfm(tfm)); | |
739 | } | |
740 | ||
741 | static inline struct aead_tfm *crypto_aead_crt(struct crypto_aead *tfm) | |
742 | { | |
743 | return &crypto_aead_tfm(tfm)->crt_aead; | |
744 | } | |
745 | ||
746 | static inline unsigned int crypto_aead_ivsize(struct crypto_aead *tfm) | |
747 | { | |
748 | return crypto_aead_crt(tfm)->ivsize; | |
749 | } | |
750 | ||
751 | static inline unsigned int crypto_aead_authsize(struct crypto_aead *tfm) | |
752 | { | |
753 | return crypto_aead_crt(tfm)->authsize; | |
754 | } | |
755 | ||
756 | static inline unsigned int crypto_aead_blocksize(struct crypto_aead *tfm) | |
757 | { | |
758 | return crypto_tfm_alg_blocksize(crypto_aead_tfm(tfm)); | |
759 | } | |
760 | ||
761 | static inline unsigned int crypto_aead_alignmask(struct crypto_aead *tfm) | |
762 | { | |
763 | return crypto_tfm_alg_alignmask(crypto_aead_tfm(tfm)); | |
764 | } | |
765 | ||
766 | static inline u32 crypto_aead_get_flags(struct crypto_aead *tfm) | |
767 | { | |
768 | return crypto_tfm_get_flags(crypto_aead_tfm(tfm)); | |
769 | } | |
770 | ||
771 | static inline void crypto_aead_set_flags(struct crypto_aead *tfm, u32 flags) | |
772 | { | |
773 | crypto_tfm_set_flags(crypto_aead_tfm(tfm), flags); | |
774 | } | |
775 | ||
776 | static inline void crypto_aead_clear_flags(struct crypto_aead *tfm, u32 flags) | |
777 | { | |
778 | crypto_tfm_clear_flags(crypto_aead_tfm(tfm), flags); | |
779 | } | |
780 | ||
781 | static inline int crypto_aead_setkey(struct crypto_aead *tfm, const u8 *key, | |
782 | unsigned int keylen) | |
783 | { | |
5b6d2d7f HX |
784 | struct aead_tfm *crt = crypto_aead_crt(tfm); |
785 | ||
786 | return crt->setkey(crt->base, key, keylen); | |
1ae97820 HX |
787 | } |
788 | ||
7ba683a6 HX |
789 | int crypto_aead_setauthsize(struct crypto_aead *tfm, unsigned int authsize); |
790 | ||
1ae97820 HX |
791 | static inline struct crypto_aead *crypto_aead_reqtfm(struct aead_request *req) |
792 | { | |
793 | return __crypto_aead_cast(req->base.tfm); | |
794 | } | |
795 | ||
796 | static inline int crypto_aead_encrypt(struct aead_request *req) | |
797 | { | |
798 | return crypto_aead_crt(crypto_aead_reqtfm(req))->encrypt(req); | |
799 | } | |
800 | ||
801 | static inline int crypto_aead_decrypt(struct aead_request *req) | |
802 | { | |
803 | return crypto_aead_crt(crypto_aead_reqtfm(req))->decrypt(req); | |
804 | } | |
805 | ||
b16c3a2e | 806 | static inline unsigned int crypto_aead_reqsize(struct crypto_aead *tfm) |
1ae97820 HX |
807 | { |
808 | return crypto_aead_crt(tfm)->reqsize; | |
809 | } | |
810 | ||
811 | static inline void aead_request_set_tfm(struct aead_request *req, | |
812 | struct crypto_aead *tfm) | |
813 | { | |
5b6d2d7f | 814 | req->base.tfm = crypto_aead_tfm(crypto_aead_crt(tfm)->base); |
1ae97820 HX |
815 | } |
816 | ||
817 | static inline struct aead_request *aead_request_alloc(struct crypto_aead *tfm, | |
818 | gfp_t gfp) | |
819 | { | |
820 | struct aead_request *req; | |
821 | ||
822 | req = kmalloc(sizeof(*req) + crypto_aead_reqsize(tfm), gfp); | |
823 | ||
824 | if (likely(req)) | |
825 | aead_request_set_tfm(req, tfm); | |
826 | ||
827 | return req; | |
828 | } | |
829 | ||
830 | static inline void aead_request_free(struct aead_request *req) | |
831 | { | |
aef73cfc | 832 | kzfree(req); |
1ae97820 HX |
833 | } |
834 | ||
835 | static inline void aead_request_set_callback(struct aead_request *req, | |
836 | u32 flags, | |
837 | crypto_completion_t complete, | |
838 | void *data) | |
839 | { | |
840 | req->base.complete = complete; | |
841 | req->base.data = data; | |
842 | req->base.flags = flags; | |
843 | } | |
844 | ||
845 | static inline void aead_request_set_crypt(struct aead_request *req, | |
846 | struct scatterlist *src, | |
847 | struct scatterlist *dst, | |
848 | unsigned int cryptlen, u8 *iv) | |
849 | { | |
850 | req->src = src; | |
851 | req->dst = dst; | |
852 | req->cryptlen = cryptlen; | |
853 | req->iv = iv; | |
854 | } | |
855 | ||
856 | static inline void aead_request_set_assoc(struct aead_request *req, | |
857 | struct scatterlist *assoc, | |
858 | unsigned int assoclen) | |
859 | { | |
860 | req->assoc = assoc; | |
861 | req->assoclen = assoclen; | |
862 | } | |
863 | ||
5cde0af2 HX |
864 | static inline struct crypto_blkcipher *__crypto_blkcipher_cast( |
865 | struct crypto_tfm *tfm) | |
866 | { | |
867 | return (struct crypto_blkcipher *)tfm; | |
868 | } | |
869 | ||
870 | static inline struct crypto_blkcipher *crypto_blkcipher_cast( | |
871 | struct crypto_tfm *tfm) | |
872 | { | |
873 | BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_BLKCIPHER); | |
874 | return __crypto_blkcipher_cast(tfm); | |
875 | } | |
876 | ||
877 | static inline struct crypto_blkcipher *crypto_alloc_blkcipher( | |
878 | const char *alg_name, u32 type, u32 mask) | |
879 | { | |
332f8840 | 880 | type &= ~CRYPTO_ALG_TYPE_MASK; |
5cde0af2 | 881 | type |= CRYPTO_ALG_TYPE_BLKCIPHER; |
332f8840 | 882 | mask |= CRYPTO_ALG_TYPE_MASK; |
5cde0af2 HX |
883 | |
884 | return __crypto_blkcipher_cast(crypto_alloc_base(alg_name, type, mask)); | |
885 | } | |
886 | ||
887 | static inline struct crypto_tfm *crypto_blkcipher_tfm( | |
888 | struct crypto_blkcipher *tfm) | |
889 | { | |
890 | return &tfm->base; | |
891 | } | |
892 | ||
893 | static inline void crypto_free_blkcipher(struct crypto_blkcipher *tfm) | |
894 | { | |
895 | crypto_free_tfm(crypto_blkcipher_tfm(tfm)); | |
896 | } | |
897 | ||
fce32d70 HX |
898 | static inline int crypto_has_blkcipher(const char *alg_name, u32 type, u32 mask) |
899 | { | |
332f8840 | 900 | type &= ~CRYPTO_ALG_TYPE_MASK; |
fce32d70 | 901 | type |= CRYPTO_ALG_TYPE_BLKCIPHER; |
332f8840 | 902 | mask |= CRYPTO_ALG_TYPE_MASK; |
fce32d70 HX |
903 | |
904 | return crypto_has_alg(alg_name, type, mask); | |
905 | } | |
906 | ||
5cde0af2 HX |
907 | static inline const char *crypto_blkcipher_name(struct crypto_blkcipher *tfm) |
908 | { | |
909 | return crypto_tfm_alg_name(crypto_blkcipher_tfm(tfm)); | |
910 | } | |
911 | ||
912 | static inline struct blkcipher_tfm *crypto_blkcipher_crt( | |
913 | struct crypto_blkcipher *tfm) | |
914 | { | |
915 | return &crypto_blkcipher_tfm(tfm)->crt_blkcipher; | |
916 | } | |
917 | ||
918 | static inline struct blkcipher_alg *crypto_blkcipher_alg( | |
919 | struct crypto_blkcipher *tfm) | |
920 | { | |
921 | return &crypto_blkcipher_tfm(tfm)->__crt_alg->cra_blkcipher; | |
922 | } | |
923 | ||
924 | static inline unsigned int crypto_blkcipher_ivsize(struct crypto_blkcipher *tfm) | |
925 | { | |
926 | return crypto_blkcipher_alg(tfm)->ivsize; | |
927 | } | |
928 | ||
929 | static inline unsigned int crypto_blkcipher_blocksize( | |
930 | struct crypto_blkcipher *tfm) | |
931 | { | |
932 | return crypto_tfm_alg_blocksize(crypto_blkcipher_tfm(tfm)); | |
933 | } | |
934 | ||
935 | static inline unsigned int crypto_blkcipher_alignmask( | |
936 | struct crypto_blkcipher *tfm) | |
937 | { | |
938 | return crypto_tfm_alg_alignmask(crypto_blkcipher_tfm(tfm)); | |
939 | } | |
940 | ||
941 | static inline u32 crypto_blkcipher_get_flags(struct crypto_blkcipher *tfm) | |
942 | { | |
943 | return crypto_tfm_get_flags(crypto_blkcipher_tfm(tfm)); | |
944 | } | |
945 | ||
946 | static inline void crypto_blkcipher_set_flags(struct crypto_blkcipher *tfm, | |
947 | u32 flags) | |
948 | { | |
949 | crypto_tfm_set_flags(crypto_blkcipher_tfm(tfm), flags); | |
950 | } | |
951 | ||
952 | static inline void crypto_blkcipher_clear_flags(struct crypto_blkcipher *tfm, | |
953 | u32 flags) | |
954 | { | |
955 | crypto_tfm_clear_flags(crypto_blkcipher_tfm(tfm), flags); | |
956 | } | |
957 | ||
958 | static inline int crypto_blkcipher_setkey(struct crypto_blkcipher *tfm, | |
959 | const u8 *key, unsigned int keylen) | |
960 | { | |
961 | return crypto_blkcipher_crt(tfm)->setkey(crypto_blkcipher_tfm(tfm), | |
962 | key, keylen); | |
963 | } | |
964 | ||
965 | static inline int crypto_blkcipher_encrypt(struct blkcipher_desc *desc, | |
966 | struct scatterlist *dst, | |
967 | struct scatterlist *src, | |
968 | unsigned int nbytes) | |
969 | { | |
970 | desc->info = crypto_blkcipher_crt(desc->tfm)->iv; | |
971 | return crypto_blkcipher_crt(desc->tfm)->encrypt(desc, dst, src, nbytes); | |
972 | } | |
973 | ||
974 | static inline int crypto_blkcipher_encrypt_iv(struct blkcipher_desc *desc, | |
975 | struct scatterlist *dst, | |
976 | struct scatterlist *src, | |
977 | unsigned int nbytes) | |
978 | { | |
979 | return crypto_blkcipher_crt(desc->tfm)->encrypt(desc, dst, src, nbytes); | |
980 | } | |
981 | ||
982 | static inline int crypto_blkcipher_decrypt(struct blkcipher_desc *desc, | |
983 | struct scatterlist *dst, | |
984 | struct scatterlist *src, | |
985 | unsigned int nbytes) | |
986 | { | |
987 | desc->info = crypto_blkcipher_crt(desc->tfm)->iv; | |
988 | return crypto_blkcipher_crt(desc->tfm)->decrypt(desc, dst, src, nbytes); | |
989 | } | |
990 | ||
991 | static inline int crypto_blkcipher_decrypt_iv(struct blkcipher_desc *desc, | |
992 | struct scatterlist *dst, | |
993 | struct scatterlist *src, | |
994 | unsigned int nbytes) | |
995 | { | |
996 | return crypto_blkcipher_crt(desc->tfm)->decrypt(desc, dst, src, nbytes); | |
997 | } | |
998 | ||
999 | static inline void crypto_blkcipher_set_iv(struct crypto_blkcipher *tfm, | |
1000 | const u8 *src, unsigned int len) | |
1001 | { | |
1002 | memcpy(crypto_blkcipher_crt(tfm)->iv, src, len); | |
1003 | } | |
1004 | ||
1005 | static inline void crypto_blkcipher_get_iv(struct crypto_blkcipher *tfm, | |
1006 | u8 *dst, unsigned int len) | |
1007 | { | |
1008 | memcpy(dst, crypto_blkcipher_crt(tfm)->iv, len); | |
1009 | } | |
1010 | ||
f28776a3 HX |
1011 | static inline struct crypto_cipher *__crypto_cipher_cast(struct crypto_tfm *tfm) |
1012 | { | |
1013 | return (struct crypto_cipher *)tfm; | |
1014 | } | |
1015 | ||
1016 | static inline struct crypto_cipher *crypto_cipher_cast(struct crypto_tfm *tfm) | |
1017 | { | |
1018 | BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_CIPHER); | |
1019 | return __crypto_cipher_cast(tfm); | |
1020 | } | |
1021 | ||
1022 | static inline struct crypto_cipher *crypto_alloc_cipher(const char *alg_name, | |
1023 | u32 type, u32 mask) | |
1024 | { | |
1025 | type &= ~CRYPTO_ALG_TYPE_MASK; | |
1026 | type |= CRYPTO_ALG_TYPE_CIPHER; | |
1027 | mask |= CRYPTO_ALG_TYPE_MASK; | |
1028 | ||
1029 | return __crypto_cipher_cast(crypto_alloc_base(alg_name, type, mask)); | |
1030 | } | |
1031 | ||
1032 | static inline struct crypto_tfm *crypto_cipher_tfm(struct crypto_cipher *tfm) | |
1033 | { | |
78a1fe4f | 1034 | return &tfm->base; |
f28776a3 HX |
1035 | } |
1036 | ||
1037 | static inline void crypto_free_cipher(struct crypto_cipher *tfm) | |
1038 | { | |
1039 | crypto_free_tfm(crypto_cipher_tfm(tfm)); | |
1040 | } | |
1041 | ||
fce32d70 HX |
1042 | static inline int crypto_has_cipher(const char *alg_name, u32 type, u32 mask) |
1043 | { | |
1044 | type &= ~CRYPTO_ALG_TYPE_MASK; | |
1045 | type |= CRYPTO_ALG_TYPE_CIPHER; | |
1046 | mask |= CRYPTO_ALG_TYPE_MASK; | |
1047 | ||
1048 | return crypto_has_alg(alg_name, type, mask); | |
1049 | } | |
1050 | ||
f28776a3 HX |
1051 | static inline struct cipher_tfm *crypto_cipher_crt(struct crypto_cipher *tfm) |
1052 | { | |
1053 | return &crypto_cipher_tfm(tfm)->crt_cipher; | |
1054 | } | |
1055 | ||
1056 | static inline unsigned int crypto_cipher_blocksize(struct crypto_cipher *tfm) | |
1057 | { | |
1058 | return crypto_tfm_alg_blocksize(crypto_cipher_tfm(tfm)); | |
1059 | } | |
1060 | ||
1061 | static inline unsigned int crypto_cipher_alignmask(struct crypto_cipher *tfm) | |
1062 | { | |
1063 | return crypto_tfm_alg_alignmask(crypto_cipher_tfm(tfm)); | |
1064 | } | |
1065 | ||
1066 | static inline u32 crypto_cipher_get_flags(struct crypto_cipher *tfm) | |
1067 | { | |
1068 | return crypto_tfm_get_flags(crypto_cipher_tfm(tfm)); | |
1069 | } | |
1070 | ||
1071 | static inline void crypto_cipher_set_flags(struct crypto_cipher *tfm, | |
1072 | u32 flags) | |
1073 | { | |
1074 | crypto_tfm_set_flags(crypto_cipher_tfm(tfm), flags); | |
1075 | } | |
1076 | ||
1077 | static inline void crypto_cipher_clear_flags(struct crypto_cipher *tfm, | |
1078 | u32 flags) | |
1079 | { | |
1080 | crypto_tfm_clear_flags(crypto_cipher_tfm(tfm), flags); | |
1081 | } | |
1082 | ||
7226bc87 HX |
1083 | static inline int crypto_cipher_setkey(struct crypto_cipher *tfm, |
1084 | const u8 *key, unsigned int keylen) | |
1085 | { | |
1086 | return crypto_cipher_crt(tfm)->cit_setkey(crypto_cipher_tfm(tfm), | |
1087 | key, keylen); | |
1088 | } | |
1089 | ||
f28776a3 HX |
1090 | static inline void crypto_cipher_encrypt_one(struct crypto_cipher *tfm, |
1091 | u8 *dst, const u8 *src) | |
1092 | { | |
1093 | crypto_cipher_crt(tfm)->cit_encrypt_one(crypto_cipher_tfm(tfm), | |
1094 | dst, src); | |
1095 | } | |
1096 | ||
1097 | static inline void crypto_cipher_decrypt_one(struct crypto_cipher *tfm, | |
1098 | u8 *dst, const u8 *src) | |
1099 | { | |
1100 | crypto_cipher_crt(tfm)->cit_decrypt_one(crypto_cipher_tfm(tfm), | |
1101 | dst, src); | |
1102 | } | |
1103 | ||
055bcee3 | 1104 | static inline struct crypto_hash *__crypto_hash_cast(struct crypto_tfm *tfm) |
1da177e4 | 1105 | { |
055bcee3 | 1106 | return (struct crypto_hash *)tfm; |
1da177e4 LT |
1107 | } |
1108 | ||
055bcee3 | 1109 | static inline struct crypto_hash *crypto_hash_cast(struct crypto_tfm *tfm) |
1da177e4 | 1110 | { |
055bcee3 HX |
1111 | BUG_ON((crypto_tfm_alg_type(tfm) ^ CRYPTO_ALG_TYPE_HASH) & |
1112 | CRYPTO_ALG_TYPE_HASH_MASK); | |
1113 | return __crypto_hash_cast(tfm); | |
1da177e4 LT |
1114 | } |
1115 | ||
055bcee3 HX |
1116 | static inline struct crypto_hash *crypto_alloc_hash(const char *alg_name, |
1117 | u32 type, u32 mask) | |
1da177e4 | 1118 | { |
055bcee3 | 1119 | type &= ~CRYPTO_ALG_TYPE_MASK; |
551a09a7 | 1120 | mask &= ~CRYPTO_ALG_TYPE_MASK; |
055bcee3 HX |
1121 | type |= CRYPTO_ALG_TYPE_HASH; |
1122 | mask |= CRYPTO_ALG_TYPE_HASH_MASK; | |
1123 | ||
1124 | return __crypto_hash_cast(crypto_alloc_base(alg_name, type, mask)); | |
1da177e4 LT |
1125 | } |
1126 | ||
055bcee3 | 1127 | static inline struct crypto_tfm *crypto_hash_tfm(struct crypto_hash *tfm) |
1da177e4 | 1128 | { |
055bcee3 HX |
1129 | return &tfm->base; |
1130 | } | |
1131 | ||
1132 | static inline void crypto_free_hash(struct crypto_hash *tfm) | |
1133 | { | |
1134 | crypto_free_tfm(crypto_hash_tfm(tfm)); | |
1135 | } | |
1136 | ||
fce32d70 HX |
1137 | static inline int crypto_has_hash(const char *alg_name, u32 type, u32 mask) |
1138 | { | |
1139 | type &= ~CRYPTO_ALG_TYPE_MASK; | |
551a09a7 | 1140 | mask &= ~CRYPTO_ALG_TYPE_MASK; |
fce32d70 HX |
1141 | type |= CRYPTO_ALG_TYPE_HASH; |
1142 | mask |= CRYPTO_ALG_TYPE_HASH_MASK; | |
1143 | ||
1144 | return crypto_has_alg(alg_name, type, mask); | |
1145 | } | |
1146 | ||
055bcee3 HX |
1147 | static inline struct hash_tfm *crypto_hash_crt(struct crypto_hash *tfm) |
1148 | { | |
1149 | return &crypto_hash_tfm(tfm)->crt_hash; | |
1150 | } | |
1151 | ||
1152 | static inline unsigned int crypto_hash_blocksize(struct crypto_hash *tfm) | |
1153 | { | |
1154 | return crypto_tfm_alg_blocksize(crypto_hash_tfm(tfm)); | |
1155 | } | |
1156 | ||
1157 | static inline unsigned int crypto_hash_alignmask(struct crypto_hash *tfm) | |
1158 | { | |
1159 | return crypto_tfm_alg_alignmask(crypto_hash_tfm(tfm)); | |
1160 | } | |
1161 | ||
1162 | static inline unsigned int crypto_hash_digestsize(struct crypto_hash *tfm) | |
1163 | { | |
1164 | return crypto_hash_crt(tfm)->digestsize; | |
1165 | } | |
1166 | ||
1167 | static inline u32 crypto_hash_get_flags(struct crypto_hash *tfm) | |
1168 | { | |
1169 | return crypto_tfm_get_flags(crypto_hash_tfm(tfm)); | |
1170 | } | |
1171 | ||
1172 | static inline void crypto_hash_set_flags(struct crypto_hash *tfm, u32 flags) | |
1173 | { | |
1174 | crypto_tfm_set_flags(crypto_hash_tfm(tfm), flags); | |
1175 | } | |
1176 | ||
1177 | static inline void crypto_hash_clear_flags(struct crypto_hash *tfm, u32 flags) | |
1178 | { | |
1179 | crypto_tfm_clear_flags(crypto_hash_tfm(tfm), flags); | |
1180 | } | |
1181 | ||
1182 | static inline int crypto_hash_init(struct hash_desc *desc) | |
1183 | { | |
1184 | return crypto_hash_crt(desc->tfm)->init(desc); | |
1185 | } | |
1186 | ||
1187 | static inline int crypto_hash_update(struct hash_desc *desc, | |
1188 | struct scatterlist *sg, | |
1189 | unsigned int nbytes) | |
1190 | { | |
1191 | return crypto_hash_crt(desc->tfm)->update(desc, sg, nbytes); | |
1192 | } | |
1193 | ||
1194 | static inline int crypto_hash_final(struct hash_desc *desc, u8 *out) | |
1195 | { | |
1196 | return crypto_hash_crt(desc->tfm)->final(desc, out); | |
1197 | } | |
1198 | ||
1199 | static inline int crypto_hash_digest(struct hash_desc *desc, | |
1200 | struct scatterlist *sg, | |
1201 | unsigned int nbytes, u8 *out) | |
1202 | { | |
1203 | return crypto_hash_crt(desc->tfm)->digest(desc, sg, nbytes, out); | |
1204 | } | |
1205 | ||
1206 | static inline int crypto_hash_setkey(struct crypto_hash *hash, | |
1207 | const u8 *key, unsigned int keylen) | |
1208 | { | |
1209 | return crypto_hash_crt(hash)->setkey(hash, key, keylen); | |
1da177e4 LT |
1210 | } |
1211 | ||
fce32d70 HX |
1212 | static inline struct crypto_comp *__crypto_comp_cast(struct crypto_tfm *tfm) |
1213 | { | |
1214 | return (struct crypto_comp *)tfm; | |
1215 | } | |
1216 | ||
1217 | static inline struct crypto_comp *crypto_comp_cast(struct crypto_tfm *tfm) | |
1218 | { | |
1219 | BUG_ON((crypto_tfm_alg_type(tfm) ^ CRYPTO_ALG_TYPE_COMPRESS) & | |
1220 | CRYPTO_ALG_TYPE_MASK); | |
1221 | return __crypto_comp_cast(tfm); | |
1222 | } | |
1223 | ||
1224 | static inline struct crypto_comp *crypto_alloc_comp(const char *alg_name, | |
1225 | u32 type, u32 mask) | |
1226 | { | |
1227 | type &= ~CRYPTO_ALG_TYPE_MASK; | |
1228 | type |= CRYPTO_ALG_TYPE_COMPRESS; | |
1229 | mask |= CRYPTO_ALG_TYPE_MASK; | |
1230 | ||
1231 | return __crypto_comp_cast(crypto_alloc_base(alg_name, type, mask)); | |
1232 | } | |
1233 | ||
1234 | static inline struct crypto_tfm *crypto_comp_tfm(struct crypto_comp *tfm) | |
1235 | { | |
78a1fe4f | 1236 | return &tfm->base; |
fce32d70 HX |
1237 | } |
1238 | ||
1239 | static inline void crypto_free_comp(struct crypto_comp *tfm) | |
1240 | { | |
1241 | crypto_free_tfm(crypto_comp_tfm(tfm)); | |
1242 | } | |
1243 | ||
1244 | static inline int crypto_has_comp(const char *alg_name, u32 type, u32 mask) | |
1245 | { | |
1246 | type &= ~CRYPTO_ALG_TYPE_MASK; | |
1247 | type |= CRYPTO_ALG_TYPE_COMPRESS; | |
1248 | mask |= CRYPTO_ALG_TYPE_MASK; | |
1249 | ||
1250 | return crypto_has_alg(alg_name, type, mask); | |
1251 | } | |
1252 | ||
e4d5b79c HX |
1253 | static inline const char *crypto_comp_name(struct crypto_comp *tfm) |
1254 | { | |
1255 | return crypto_tfm_alg_name(crypto_comp_tfm(tfm)); | |
1256 | } | |
1257 | ||
fce32d70 HX |
1258 | static inline struct compress_tfm *crypto_comp_crt(struct crypto_comp *tfm) |
1259 | { | |
1260 | return &crypto_comp_tfm(tfm)->crt_compress; | |
1261 | } | |
1262 | ||
1263 | static inline int crypto_comp_compress(struct crypto_comp *tfm, | |
1da177e4 LT |
1264 | const u8 *src, unsigned int slen, |
1265 | u8 *dst, unsigned int *dlen) | |
1266 | { | |
78a1fe4f HX |
1267 | return crypto_comp_crt(tfm)->cot_compress(crypto_comp_tfm(tfm), |
1268 | src, slen, dst, dlen); | |
1da177e4 LT |
1269 | } |
1270 | ||
fce32d70 | 1271 | static inline int crypto_comp_decompress(struct crypto_comp *tfm, |
1da177e4 LT |
1272 | const u8 *src, unsigned int slen, |
1273 | u8 *dst, unsigned int *dlen) | |
1274 | { | |
78a1fe4f HX |
1275 | return crypto_comp_crt(tfm)->cot_decompress(crypto_comp_tfm(tfm), |
1276 | src, slen, dst, dlen); | |
1da177e4 LT |
1277 | } |
1278 | ||
1da177e4 LT |
1279 | #endif /* _LINUX_CRYPTO_H */ |
1280 |