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 | 21 | #include <linux/kernel.h> |
1da177e4 | 22 | #include <linux/list.h> |
187f1882 | 23 | #include <linux/bug.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 | ||
64a947b1 SK |
74 | /* |
75 | * Set if the algorithm is an instance that is build from templates. | |
76 | */ | |
77 | #define CRYPTO_ALG_INSTANCE 0x00000800 | |
78 | ||
d912bb76 NM |
79 | /* Set this bit if the algorithm provided is hardware accelerated but |
80 | * not available to userspace via instruction set or so. | |
81 | */ | |
82 | #define CRYPTO_ALG_KERN_DRIVER_ONLY 0x00001000 | |
83 | ||
1da177e4 LT |
84 | /* |
85 | * Transform masks and values (for crt_flags). | |
86 | */ | |
1da177e4 LT |
87 | #define CRYPTO_TFM_REQ_MASK 0x000fff00 |
88 | #define CRYPTO_TFM_RES_MASK 0xfff00000 | |
89 | ||
1da177e4 | 90 | #define CRYPTO_TFM_REQ_WEAK_KEY 0x00000100 |
64baf3cf | 91 | #define CRYPTO_TFM_REQ_MAY_SLEEP 0x00000200 |
32e3983f | 92 | #define CRYPTO_TFM_REQ_MAY_BACKLOG 0x00000400 |
1da177e4 LT |
93 | #define CRYPTO_TFM_RES_WEAK_KEY 0x00100000 |
94 | #define CRYPTO_TFM_RES_BAD_KEY_LEN 0x00200000 | |
95 | #define CRYPTO_TFM_RES_BAD_KEY_SCHED 0x00400000 | |
96 | #define CRYPTO_TFM_RES_BAD_BLOCK_LEN 0x00800000 | |
97 | #define CRYPTO_TFM_RES_BAD_FLAGS 0x01000000 | |
98 | ||
99 | /* | |
100 | * Miscellaneous stuff. | |
101 | */ | |
1da177e4 LT |
102 | #define CRYPTO_MAX_ALG_NAME 64 |
103 | ||
79911102 HX |
104 | /* |
105 | * The macro CRYPTO_MINALIGN_ATTR (along with the void * type in the actual | |
106 | * declaration) is used to ensure that the crypto_tfm context structure is | |
107 | * aligned correctly for the given architecture so that there are no alignment | |
108 | * faults for C data types. In particular, this is required on platforms such | |
109 | * as arm where pointers are 32-bit aligned but there are data types such as | |
110 | * u64 which require 64-bit alignment. | |
111 | */ | |
79911102 | 112 | #define CRYPTO_MINALIGN ARCH_KMALLOC_MINALIGN |
79911102 | 113 | |
79911102 | 114 | #define CRYPTO_MINALIGN_ATTR __attribute__ ((__aligned__(CRYPTO_MINALIGN))) |
79911102 | 115 | |
1da177e4 | 116 | struct scatterlist; |
32e3983f HX |
117 | struct crypto_ablkcipher; |
118 | struct crypto_async_request; | |
1ae97820 | 119 | struct crypto_aead; |
5cde0af2 | 120 | struct crypto_blkcipher; |
055bcee3 | 121 | struct crypto_hash; |
17f0f4a4 | 122 | struct crypto_rng; |
40725181 | 123 | struct crypto_tfm; |
e853c3cf | 124 | struct crypto_type; |
743edf57 | 125 | struct aead_givcrypt_request; |
61da88e2 | 126 | struct skcipher_givcrypt_request; |
40725181 | 127 | |
32e3983f HX |
128 | typedef void (*crypto_completion_t)(struct crypto_async_request *req, int err); |
129 | ||
130 | struct crypto_async_request { | |
131 | struct list_head list; | |
132 | crypto_completion_t complete; | |
133 | void *data; | |
134 | struct crypto_tfm *tfm; | |
135 | ||
136 | u32 flags; | |
137 | }; | |
138 | ||
139 | struct ablkcipher_request { | |
140 | struct crypto_async_request base; | |
141 | ||
142 | unsigned int nbytes; | |
143 | ||
144 | void *info; | |
145 | ||
146 | struct scatterlist *src; | |
147 | struct scatterlist *dst; | |
148 | ||
149 | void *__ctx[] CRYPTO_MINALIGN_ATTR; | |
150 | }; | |
151 | ||
1ae97820 HX |
152 | /** |
153 | * struct aead_request - AEAD request | |
154 | * @base: Common attributes for async crypto requests | |
155 | * @assoclen: Length in bytes of associated data for authentication | |
156 | * @cryptlen: Length of data to be encrypted or decrypted | |
157 | * @iv: Initialisation vector | |
158 | * @assoc: Associated data | |
159 | * @src: Source data | |
160 | * @dst: Destination data | |
161 | * @__ctx: Start of private context data | |
162 | */ | |
163 | struct aead_request { | |
164 | struct crypto_async_request base; | |
165 | ||
166 | unsigned int assoclen; | |
167 | unsigned int cryptlen; | |
168 | ||
169 | u8 *iv; | |
170 | ||
171 | struct scatterlist *assoc; | |
172 | struct scatterlist *src; | |
173 | struct scatterlist *dst; | |
174 | ||
175 | void *__ctx[] CRYPTO_MINALIGN_ATTR; | |
176 | }; | |
177 | ||
5cde0af2 HX |
178 | struct blkcipher_desc { |
179 | struct crypto_blkcipher *tfm; | |
180 | void *info; | |
181 | u32 flags; | |
182 | }; | |
183 | ||
40725181 HX |
184 | struct cipher_desc { |
185 | struct crypto_tfm *tfm; | |
6c2bb98b | 186 | void (*crfn)(struct crypto_tfm *tfm, u8 *dst, const u8 *src); |
40725181 HX |
187 | unsigned int (*prfn)(const struct cipher_desc *desc, u8 *dst, |
188 | const u8 *src, unsigned int nbytes); | |
189 | void *info; | |
190 | }; | |
1da177e4 | 191 | |
055bcee3 HX |
192 | struct hash_desc { |
193 | struct crypto_hash *tfm; | |
194 | u32 flags; | |
195 | }; | |
196 | ||
1da177e4 LT |
197 | /* |
198 | * Algorithms: modular crypto algorithm implementations, managed | |
199 | * via crypto_register_alg() and crypto_unregister_alg(). | |
200 | */ | |
b5b7f088 HX |
201 | struct ablkcipher_alg { |
202 | int (*setkey)(struct crypto_ablkcipher *tfm, const u8 *key, | |
203 | unsigned int keylen); | |
204 | int (*encrypt)(struct ablkcipher_request *req); | |
205 | int (*decrypt)(struct ablkcipher_request *req); | |
61da88e2 HX |
206 | int (*givencrypt)(struct skcipher_givcrypt_request *req); |
207 | int (*givdecrypt)(struct skcipher_givcrypt_request *req); | |
b5b7f088 | 208 | |
23508e11 HX |
209 | const char *geniv; |
210 | ||
b5b7f088 HX |
211 | unsigned int min_keysize; |
212 | unsigned int max_keysize; | |
213 | unsigned int ivsize; | |
214 | }; | |
215 | ||
1ae97820 HX |
216 | struct aead_alg { |
217 | int (*setkey)(struct crypto_aead *tfm, const u8 *key, | |
218 | unsigned int keylen); | |
7ba683a6 | 219 | int (*setauthsize)(struct crypto_aead *tfm, unsigned int authsize); |
1ae97820 HX |
220 | int (*encrypt)(struct aead_request *req); |
221 | int (*decrypt)(struct aead_request *req); | |
743edf57 HX |
222 | int (*givencrypt)(struct aead_givcrypt_request *req); |
223 | int (*givdecrypt)(struct aead_givcrypt_request *req); | |
1ae97820 | 224 | |
5b6d2d7f HX |
225 | const char *geniv; |
226 | ||
1ae97820 | 227 | unsigned int ivsize; |
7ba683a6 | 228 | unsigned int maxauthsize; |
1ae97820 HX |
229 | }; |
230 | ||
5cde0af2 HX |
231 | struct blkcipher_alg { |
232 | int (*setkey)(struct crypto_tfm *tfm, const u8 *key, | |
233 | unsigned int keylen); | |
234 | int (*encrypt)(struct blkcipher_desc *desc, | |
235 | struct scatterlist *dst, struct scatterlist *src, | |
236 | unsigned int nbytes); | |
237 | int (*decrypt)(struct blkcipher_desc *desc, | |
238 | struct scatterlist *dst, struct scatterlist *src, | |
239 | unsigned int nbytes); | |
240 | ||
23508e11 HX |
241 | const char *geniv; |
242 | ||
5cde0af2 HX |
243 | unsigned int min_keysize; |
244 | unsigned int max_keysize; | |
245 | unsigned int ivsize; | |
246 | }; | |
247 | ||
1da177e4 LT |
248 | struct cipher_alg { |
249 | unsigned int cia_min_keysize; | |
250 | unsigned int cia_max_keysize; | |
6c2bb98b | 251 | int (*cia_setkey)(struct crypto_tfm *tfm, const u8 *key, |
560c06ae | 252 | unsigned int keylen); |
6c2bb98b HX |
253 | void (*cia_encrypt)(struct crypto_tfm *tfm, u8 *dst, const u8 *src); |
254 | void (*cia_decrypt)(struct crypto_tfm *tfm, u8 *dst, const u8 *src); | |
1da177e4 LT |
255 | }; |
256 | ||
1da177e4 | 257 | struct compress_alg { |
6c2bb98b HX |
258 | int (*coa_compress)(struct crypto_tfm *tfm, const u8 *src, |
259 | unsigned int slen, u8 *dst, unsigned int *dlen); | |
260 | int (*coa_decompress)(struct crypto_tfm *tfm, const u8 *src, | |
261 | unsigned int slen, u8 *dst, unsigned int *dlen); | |
1da177e4 LT |
262 | }; |
263 | ||
17f0f4a4 NH |
264 | struct rng_alg { |
265 | int (*rng_make_random)(struct crypto_rng *tfm, u8 *rdata, | |
266 | unsigned int dlen); | |
267 | int (*rng_reset)(struct crypto_rng *tfm, u8 *seed, unsigned int slen); | |
268 | ||
269 | unsigned int seedsize; | |
270 | }; | |
271 | ||
272 | ||
b5b7f088 | 273 | #define cra_ablkcipher cra_u.ablkcipher |
1ae97820 | 274 | #define cra_aead cra_u.aead |
5cde0af2 | 275 | #define cra_blkcipher cra_u.blkcipher |
1da177e4 | 276 | #define cra_cipher cra_u.cipher |
1da177e4 | 277 | #define cra_compress cra_u.compress |
17f0f4a4 | 278 | #define cra_rng cra_u.rng |
1da177e4 LT |
279 | |
280 | struct crypto_alg { | |
281 | struct list_head cra_list; | |
6bfd4809 HX |
282 | struct list_head cra_users; |
283 | ||
1da177e4 LT |
284 | u32 cra_flags; |
285 | unsigned int cra_blocksize; | |
286 | unsigned int cra_ctxsize; | |
95477377 | 287 | unsigned int cra_alignmask; |
5cb1454b HX |
288 | |
289 | int cra_priority; | |
6521f302 | 290 | atomic_t cra_refcnt; |
5cb1454b | 291 | |
d913ea0d HX |
292 | char cra_name[CRYPTO_MAX_ALG_NAME]; |
293 | char cra_driver_name[CRYPTO_MAX_ALG_NAME]; | |
1da177e4 | 294 | |
e853c3cf HX |
295 | const struct crypto_type *cra_type; |
296 | ||
1da177e4 | 297 | union { |
b5b7f088 | 298 | struct ablkcipher_alg ablkcipher; |
1ae97820 | 299 | struct aead_alg aead; |
5cde0af2 | 300 | struct blkcipher_alg blkcipher; |
1da177e4 | 301 | struct cipher_alg cipher; |
1da177e4 | 302 | struct compress_alg compress; |
17f0f4a4 | 303 | struct rng_alg rng; |
1da177e4 | 304 | } cra_u; |
c7fc0599 HX |
305 | |
306 | int (*cra_init)(struct crypto_tfm *tfm); | |
307 | void (*cra_exit)(struct crypto_tfm *tfm); | |
6521f302 | 308 | void (*cra_destroy)(struct crypto_alg *alg); |
1da177e4 LT |
309 | |
310 | struct module *cra_module; | |
311 | }; | |
312 | ||
313 | /* | |
314 | * Algorithm registration interface. | |
315 | */ | |
316 | int crypto_register_alg(struct crypto_alg *alg); | |
317 | int crypto_unregister_alg(struct crypto_alg *alg); | |
4b004346 MB |
318 | int crypto_register_algs(struct crypto_alg *algs, int count); |
319 | int crypto_unregister_algs(struct crypto_alg *algs, int count); | |
1da177e4 LT |
320 | |
321 | /* | |
322 | * Algorithm query interface. | |
323 | */ | |
fce32d70 | 324 | int crypto_has_alg(const char *name, u32 type, u32 mask); |
1da177e4 LT |
325 | |
326 | /* | |
327 | * Transforms: user-instantiated objects which encapsulate algorithms | |
6d7d684d HX |
328 | * and core processing logic. Managed via crypto_alloc_*() and |
329 | * crypto_free_*(), as well as the various helpers below. | |
1da177e4 | 330 | */ |
1da177e4 | 331 | |
32e3983f HX |
332 | struct ablkcipher_tfm { |
333 | int (*setkey)(struct crypto_ablkcipher *tfm, const u8 *key, | |
334 | unsigned int keylen); | |
335 | int (*encrypt)(struct ablkcipher_request *req); | |
336 | int (*decrypt)(struct ablkcipher_request *req); | |
61da88e2 HX |
337 | int (*givencrypt)(struct skcipher_givcrypt_request *req); |
338 | int (*givdecrypt)(struct skcipher_givcrypt_request *req); | |
339 | ||
ecfc4329 HX |
340 | struct crypto_ablkcipher *base; |
341 | ||
32e3983f HX |
342 | unsigned int ivsize; |
343 | unsigned int reqsize; | |
344 | }; | |
345 | ||
1ae97820 HX |
346 | struct aead_tfm { |
347 | int (*setkey)(struct crypto_aead *tfm, const u8 *key, | |
348 | unsigned int keylen); | |
349 | int (*encrypt)(struct aead_request *req); | |
350 | int (*decrypt)(struct aead_request *req); | |
743edf57 HX |
351 | int (*givencrypt)(struct aead_givcrypt_request *req); |
352 | int (*givdecrypt)(struct aead_givcrypt_request *req); | |
5b6d2d7f HX |
353 | |
354 | struct crypto_aead *base; | |
355 | ||
1ae97820 HX |
356 | unsigned int ivsize; |
357 | unsigned int authsize; | |
358 | unsigned int reqsize; | |
359 | }; | |
360 | ||
5cde0af2 HX |
361 | struct blkcipher_tfm { |
362 | void *iv; | |
363 | int (*setkey)(struct crypto_tfm *tfm, const u8 *key, | |
364 | unsigned int keylen); | |
365 | int (*encrypt)(struct blkcipher_desc *desc, struct scatterlist *dst, | |
366 | struct scatterlist *src, unsigned int nbytes); | |
367 | int (*decrypt)(struct blkcipher_desc *desc, struct scatterlist *dst, | |
368 | struct scatterlist *src, unsigned int nbytes); | |
369 | }; | |
370 | ||
1da177e4 | 371 | struct cipher_tfm { |
1da177e4 LT |
372 | int (*cit_setkey)(struct crypto_tfm *tfm, |
373 | const u8 *key, unsigned int keylen); | |
f28776a3 HX |
374 | void (*cit_encrypt_one)(struct crypto_tfm *tfm, u8 *dst, const u8 *src); |
375 | void (*cit_decrypt_one)(struct crypto_tfm *tfm, u8 *dst, const u8 *src); | |
1da177e4 LT |
376 | }; |
377 | ||
055bcee3 HX |
378 | struct hash_tfm { |
379 | int (*init)(struct hash_desc *desc); | |
380 | int (*update)(struct hash_desc *desc, | |
381 | struct scatterlist *sg, unsigned int nsg); | |
382 | int (*final)(struct hash_desc *desc, u8 *out); | |
383 | int (*digest)(struct hash_desc *desc, struct scatterlist *sg, | |
384 | unsigned int nsg, u8 *out); | |
385 | int (*setkey)(struct crypto_hash *tfm, const u8 *key, | |
386 | unsigned int keylen); | |
055bcee3 | 387 | unsigned int digestsize; |
1da177e4 LT |
388 | }; |
389 | ||
390 | struct compress_tfm { | |
391 | int (*cot_compress)(struct crypto_tfm *tfm, | |
392 | const u8 *src, unsigned int slen, | |
393 | u8 *dst, unsigned int *dlen); | |
394 | int (*cot_decompress)(struct crypto_tfm *tfm, | |
395 | const u8 *src, unsigned int slen, | |
396 | u8 *dst, unsigned int *dlen); | |
397 | }; | |
398 | ||
17f0f4a4 NH |
399 | struct rng_tfm { |
400 | int (*rng_gen_random)(struct crypto_rng *tfm, u8 *rdata, | |
401 | unsigned int dlen); | |
402 | int (*rng_reset)(struct crypto_rng *tfm, u8 *seed, unsigned int slen); | |
403 | }; | |
404 | ||
32e3983f | 405 | #define crt_ablkcipher crt_u.ablkcipher |
1ae97820 | 406 | #define crt_aead crt_u.aead |
5cde0af2 | 407 | #define crt_blkcipher crt_u.blkcipher |
1da177e4 | 408 | #define crt_cipher crt_u.cipher |
055bcee3 | 409 | #define crt_hash crt_u.hash |
1da177e4 | 410 | #define crt_compress crt_u.compress |
17f0f4a4 | 411 | #define crt_rng crt_u.rng |
1da177e4 LT |
412 | |
413 | struct crypto_tfm { | |
414 | ||
415 | u32 crt_flags; | |
416 | ||
417 | union { | |
32e3983f | 418 | struct ablkcipher_tfm ablkcipher; |
1ae97820 | 419 | struct aead_tfm aead; |
5cde0af2 | 420 | struct blkcipher_tfm blkcipher; |
1da177e4 | 421 | struct cipher_tfm cipher; |
055bcee3 | 422 | struct hash_tfm hash; |
1da177e4 | 423 | struct compress_tfm compress; |
17f0f4a4 | 424 | struct rng_tfm rng; |
1da177e4 | 425 | } crt_u; |
4a779486 HX |
426 | |
427 | void (*exit)(struct crypto_tfm *tfm); | |
1da177e4 LT |
428 | |
429 | struct crypto_alg *__crt_alg; | |
f10b7897 | 430 | |
79911102 | 431 | void *__crt_ctx[] CRYPTO_MINALIGN_ATTR; |
1da177e4 LT |
432 | }; |
433 | ||
32e3983f HX |
434 | struct crypto_ablkcipher { |
435 | struct crypto_tfm base; | |
436 | }; | |
437 | ||
1ae97820 HX |
438 | struct crypto_aead { |
439 | struct crypto_tfm base; | |
440 | }; | |
441 | ||
5cde0af2 HX |
442 | struct crypto_blkcipher { |
443 | struct crypto_tfm base; | |
444 | }; | |
445 | ||
78a1fe4f HX |
446 | struct crypto_cipher { |
447 | struct crypto_tfm base; | |
448 | }; | |
449 | ||
450 | struct crypto_comp { | |
451 | struct crypto_tfm base; | |
452 | }; | |
453 | ||
055bcee3 HX |
454 | struct crypto_hash { |
455 | struct crypto_tfm base; | |
456 | }; | |
457 | ||
17f0f4a4 NH |
458 | struct crypto_rng { |
459 | struct crypto_tfm base; | |
460 | }; | |
461 | ||
2b8c19db HX |
462 | enum { |
463 | CRYPTOA_UNSPEC, | |
464 | CRYPTOA_ALG, | |
ebc610e5 | 465 | CRYPTOA_TYPE, |
39e1ee01 | 466 | CRYPTOA_U32, |
ebc610e5 | 467 | __CRYPTOA_MAX, |
2b8c19db HX |
468 | }; |
469 | ||
ebc610e5 HX |
470 | #define CRYPTOA_MAX (__CRYPTOA_MAX - 1) |
471 | ||
39e1ee01 HX |
472 | /* Maximum number of (rtattr) parameters for each template. */ |
473 | #define CRYPTO_MAX_ATTRS 32 | |
474 | ||
2b8c19db HX |
475 | struct crypto_attr_alg { |
476 | char name[CRYPTO_MAX_ALG_NAME]; | |
477 | }; | |
478 | ||
ebc610e5 HX |
479 | struct crypto_attr_type { |
480 | u32 type; | |
481 | u32 mask; | |
482 | }; | |
483 | ||
39e1ee01 HX |
484 | struct crypto_attr_u32 { |
485 | u32 num; | |
486 | }; | |
487 | ||
1da177e4 LT |
488 | /* |
489 | * Transform user interface. | |
490 | */ | |
491 | ||
6d7d684d | 492 | struct crypto_tfm *crypto_alloc_base(const char *alg_name, u32 type, u32 mask); |
7b2cd92a HX |
493 | void crypto_destroy_tfm(void *mem, struct crypto_tfm *tfm); |
494 | ||
495 | static inline void crypto_free_tfm(struct crypto_tfm *tfm) | |
496 | { | |
497 | return crypto_destroy_tfm(tfm, tfm); | |
498 | } | |
1da177e4 | 499 | |
da7f033d HX |
500 | int alg_test(const char *driver, const char *alg, u32 type, u32 mask); |
501 | ||
1da177e4 LT |
502 | /* |
503 | * Transform helpers which query the underlying algorithm. | |
504 | */ | |
505 | static inline const char *crypto_tfm_alg_name(struct crypto_tfm *tfm) | |
506 | { | |
507 | return tfm->__crt_alg->cra_name; | |
508 | } | |
509 | ||
b14cdd67 ML |
510 | static inline const char *crypto_tfm_alg_driver_name(struct crypto_tfm *tfm) |
511 | { | |
512 | return tfm->__crt_alg->cra_driver_name; | |
513 | } | |
514 | ||
515 | static inline int crypto_tfm_alg_priority(struct crypto_tfm *tfm) | |
516 | { | |
517 | return tfm->__crt_alg->cra_priority; | |
518 | } | |
519 | ||
1da177e4 LT |
520 | static inline u32 crypto_tfm_alg_type(struct crypto_tfm *tfm) |
521 | { | |
522 | return tfm->__crt_alg->cra_flags & CRYPTO_ALG_TYPE_MASK; | |
523 | } | |
524 | ||
1da177e4 LT |
525 | static inline unsigned int crypto_tfm_alg_blocksize(struct crypto_tfm *tfm) |
526 | { | |
527 | return tfm->__crt_alg->cra_blocksize; | |
528 | } | |
529 | ||
fbdae9f3 HX |
530 | static inline unsigned int crypto_tfm_alg_alignmask(struct crypto_tfm *tfm) |
531 | { | |
532 | return tfm->__crt_alg->cra_alignmask; | |
533 | } | |
534 | ||
f28776a3 HX |
535 | static inline u32 crypto_tfm_get_flags(struct crypto_tfm *tfm) |
536 | { | |
537 | return tfm->crt_flags; | |
538 | } | |
539 | ||
540 | static inline void crypto_tfm_set_flags(struct crypto_tfm *tfm, u32 flags) | |
541 | { | |
542 | tfm->crt_flags |= flags; | |
543 | } | |
544 | ||
545 | static inline void crypto_tfm_clear_flags(struct crypto_tfm *tfm, u32 flags) | |
546 | { | |
547 | tfm->crt_flags &= ~flags; | |
548 | } | |
549 | ||
40725181 HX |
550 | static inline void *crypto_tfm_ctx(struct crypto_tfm *tfm) |
551 | { | |
f10b7897 HX |
552 | return tfm->__crt_ctx; |
553 | } | |
554 | ||
555 | static inline unsigned int crypto_tfm_ctx_alignment(void) | |
556 | { | |
557 | struct crypto_tfm *tfm; | |
558 | return __alignof__(tfm->__crt_ctx); | |
40725181 HX |
559 | } |
560 | ||
1da177e4 LT |
561 | /* |
562 | * API wrappers. | |
563 | */ | |
32e3983f HX |
564 | static inline struct crypto_ablkcipher *__crypto_ablkcipher_cast( |
565 | struct crypto_tfm *tfm) | |
566 | { | |
567 | return (struct crypto_ablkcipher *)tfm; | |
568 | } | |
569 | ||
378f4f51 | 570 | static inline u32 crypto_skcipher_type(u32 type) |
32e3983f | 571 | { |
ecfc4329 | 572 | type &= ~(CRYPTO_ALG_TYPE_MASK | CRYPTO_ALG_GENIV); |
32e3983f | 573 | type |= CRYPTO_ALG_TYPE_BLKCIPHER; |
378f4f51 HX |
574 | return type; |
575 | } | |
576 | ||
577 | static inline u32 crypto_skcipher_mask(u32 mask) | |
578 | { | |
ecfc4329 | 579 | mask &= ~(CRYPTO_ALG_TYPE_MASK | CRYPTO_ALG_GENIV); |
332f8840 | 580 | mask |= CRYPTO_ALG_TYPE_BLKCIPHER_MASK; |
378f4f51 HX |
581 | return mask; |
582 | } | |
32e3983f | 583 | |
b9c55aa4 HX |
584 | struct crypto_ablkcipher *crypto_alloc_ablkcipher(const char *alg_name, |
585 | u32 type, u32 mask); | |
32e3983f HX |
586 | |
587 | static inline struct crypto_tfm *crypto_ablkcipher_tfm( | |
588 | struct crypto_ablkcipher *tfm) | |
589 | { | |
590 | return &tfm->base; | |
591 | } | |
592 | ||
593 | static inline void crypto_free_ablkcipher(struct crypto_ablkcipher *tfm) | |
594 | { | |
595 | crypto_free_tfm(crypto_ablkcipher_tfm(tfm)); | |
596 | } | |
597 | ||
598 | static inline int crypto_has_ablkcipher(const char *alg_name, u32 type, | |
599 | u32 mask) | |
600 | { | |
378f4f51 HX |
601 | return crypto_has_alg(alg_name, crypto_skcipher_type(type), |
602 | crypto_skcipher_mask(mask)); | |
32e3983f HX |
603 | } |
604 | ||
605 | static inline struct ablkcipher_tfm *crypto_ablkcipher_crt( | |
606 | struct crypto_ablkcipher *tfm) | |
607 | { | |
608 | return &crypto_ablkcipher_tfm(tfm)->crt_ablkcipher; | |
609 | } | |
610 | ||
611 | static inline unsigned int crypto_ablkcipher_ivsize( | |
612 | struct crypto_ablkcipher *tfm) | |
613 | { | |
614 | return crypto_ablkcipher_crt(tfm)->ivsize; | |
615 | } | |
616 | ||
617 | static inline unsigned int crypto_ablkcipher_blocksize( | |
618 | struct crypto_ablkcipher *tfm) | |
619 | { | |
620 | return crypto_tfm_alg_blocksize(crypto_ablkcipher_tfm(tfm)); | |
621 | } | |
622 | ||
623 | static inline unsigned int crypto_ablkcipher_alignmask( | |
624 | struct crypto_ablkcipher *tfm) | |
625 | { | |
626 | return crypto_tfm_alg_alignmask(crypto_ablkcipher_tfm(tfm)); | |
627 | } | |
628 | ||
629 | static inline u32 crypto_ablkcipher_get_flags(struct crypto_ablkcipher *tfm) | |
630 | { | |
631 | return crypto_tfm_get_flags(crypto_ablkcipher_tfm(tfm)); | |
632 | } | |
633 | ||
634 | static inline void crypto_ablkcipher_set_flags(struct crypto_ablkcipher *tfm, | |
635 | u32 flags) | |
636 | { | |
637 | crypto_tfm_set_flags(crypto_ablkcipher_tfm(tfm), flags); | |
638 | } | |
639 | ||
640 | static inline void crypto_ablkcipher_clear_flags(struct crypto_ablkcipher *tfm, | |
641 | u32 flags) | |
642 | { | |
643 | crypto_tfm_clear_flags(crypto_ablkcipher_tfm(tfm), flags); | |
644 | } | |
645 | ||
646 | static inline int crypto_ablkcipher_setkey(struct crypto_ablkcipher *tfm, | |
647 | const u8 *key, unsigned int keylen) | |
648 | { | |
ecfc4329 HX |
649 | struct ablkcipher_tfm *crt = crypto_ablkcipher_crt(tfm); |
650 | ||
651 | return crt->setkey(crt->base, key, keylen); | |
32e3983f HX |
652 | } |
653 | ||
654 | static inline struct crypto_ablkcipher *crypto_ablkcipher_reqtfm( | |
655 | struct ablkcipher_request *req) | |
656 | { | |
657 | return __crypto_ablkcipher_cast(req->base.tfm); | |
658 | } | |
659 | ||
660 | static inline int crypto_ablkcipher_encrypt(struct ablkcipher_request *req) | |
661 | { | |
662 | struct ablkcipher_tfm *crt = | |
663 | crypto_ablkcipher_crt(crypto_ablkcipher_reqtfm(req)); | |
664 | return crt->encrypt(req); | |
665 | } | |
666 | ||
667 | static inline int crypto_ablkcipher_decrypt(struct ablkcipher_request *req) | |
668 | { | |
669 | struct ablkcipher_tfm *crt = | |
670 | crypto_ablkcipher_crt(crypto_ablkcipher_reqtfm(req)); | |
671 | return crt->decrypt(req); | |
672 | } | |
673 | ||
b16c3a2e HX |
674 | static inline unsigned int crypto_ablkcipher_reqsize( |
675 | struct crypto_ablkcipher *tfm) | |
32e3983f HX |
676 | { |
677 | return crypto_ablkcipher_crt(tfm)->reqsize; | |
678 | } | |
679 | ||
e196d625 HX |
680 | static inline void ablkcipher_request_set_tfm( |
681 | struct ablkcipher_request *req, struct crypto_ablkcipher *tfm) | |
682 | { | |
ecfc4329 | 683 | req->base.tfm = crypto_ablkcipher_tfm(crypto_ablkcipher_crt(tfm)->base); |
e196d625 HX |
684 | } |
685 | ||
b5b7f088 HX |
686 | static inline struct ablkcipher_request *ablkcipher_request_cast( |
687 | struct crypto_async_request *req) | |
688 | { | |
689 | return container_of(req, struct ablkcipher_request, base); | |
690 | } | |
691 | ||
32e3983f HX |
692 | static inline struct ablkcipher_request *ablkcipher_request_alloc( |
693 | struct crypto_ablkcipher *tfm, gfp_t gfp) | |
694 | { | |
695 | struct ablkcipher_request *req; | |
696 | ||
697 | req = kmalloc(sizeof(struct ablkcipher_request) + | |
698 | crypto_ablkcipher_reqsize(tfm), gfp); | |
699 | ||
700 | if (likely(req)) | |
e196d625 | 701 | ablkcipher_request_set_tfm(req, tfm); |
32e3983f HX |
702 | |
703 | return req; | |
704 | } | |
705 | ||
706 | static inline void ablkcipher_request_free(struct ablkcipher_request *req) | |
707 | { | |
aef73cfc | 708 | kzfree(req); |
32e3983f HX |
709 | } |
710 | ||
711 | static inline void ablkcipher_request_set_callback( | |
712 | struct ablkcipher_request *req, | |
3e3dc25f | 713 | u32 flags, crypto_completion_t compl, void *data) |
32e3983f | 714 | { |
3e3dc25f | 715 | req->base.complete = compl; |
32e3983f HX |
716 | req->base.data = data; |
717 | req->base.flags = flags; | |
718 | } | |
719 | ||
720 | static inline void ablkcipher_request_set_crypt( | |
721 | struct ablkcipher_request *req, | |
722 | struct scatterlist *src, struct scatterlist *dst, | |
723 | unsigned int nbytes, void *iv) | |
724 | { | |
725 | req->src = src; | |
726 | req->dst = dst; | |
727 | req->nbytes = nbytes; | |
728 | req->info = iv; | |
729 | } | |
730 | ||
1ae97820 HX |
731 | static inline struct crypto_aead *__crypto_aead_cast(struct crypto_tfm *tfm) |
732 | { | |
733 | return (struct crypto_aead *)tfm; | |
734 | } | |
735 | ||
d29ce988 | 736 | struct crypto_aead *crypto_alloc_aead(const char *alg_name, u32 type, u32 mask); |
1ae97820 HX |
737 | |
738 | static inline struct crypto_tfm *crypto_aead_tfm(struct crypto_aead *tfm) | |
739 | { | |
740 | return &tfm->base; | |
741 | } | |
742 | ||
743 | static inline void crypto_free_aead(struct crypto_aead *tfm) | |
744 | { | |
745 | crypto_free_tfm(crypto_aead_tfm(tfm)); | |
746 | } | |
747 | ||
748 | static inline struct aead_tfm *crypto_aead_crt(struct crypto_aead *tfm) | |
749 | { | |
750 | return &crypto_aead_tfm(tfm)->crt_aead; | |
751 | } | |
752 | ||
753 | static inline unsigned int crypto_aead_ivsize(struct crypto_aead *tfm) | |
754 | { | |
755 | return crypto_aead_crt(tfm)->ivsize; | |
756 | } | |
757 | ||
758 | static inline unsigned int crypto_aead_authsize(struct crypto_aead *tfm) | |
759 | { | |
760 | return crypto_aead_crt(tfm)->authsize; | |
761 | } | |
762 | ||
763 | static inline unsigned int crypto_aead_blocksize(struct crypto_aead *tfm) | |
764 | { | |
765 | return crypto_tfm_alg_blocksize(crypto_aead_tfm(tfm)); | |
766 | } | |
767 | ||
768 | static inline unsigned int crypto_aead_alignmask(struct crypto_aead *tfm) | |
769 | { | |
770 | return crypto_tfm_alg_alignmask(crypto_aead_tfm(tfm)); | |
771 | } | |
772 | ||
773 | static inline u32 crypto_aead_get_flags(struct crypto_aead *tfm) | |
774 | { | |
775 | return crypto_tfm_get_flags(crypto_aead_tfm(tfm)); | |
776 | } | |
777 | ||
778 | static inline void crypto_aead_set_flags(struct crypto_aead *tfm, u32 flags) | |
779 | { | |
780 | crypto_tfm_set_flags(crypto_aead_tfm(tfm), flags); | |
781 | } | |
782 | ||
783 | static inline void crypto_aead_clear_flags(struct crypto_aead *tfm, u32 flags) | |
784 | { | |
785 | crypto_tfm_clear_flags(crypto_aead_tfm(tfm), flags); | |
786 | } | |
787 | ||
788 | static inline int crypto_aead_setkey(struct crypto_aead *tfm, const u8 *key, | |
789 | unsigned int keylen) | |
790 | { | |
5b6d2d7f HX |
791 | struct aead_tfm *crt = crypto_aead_crt(tfm); |
792 | ||
793 | return crt->setkey(crt->base, key, keylen); | |
1ae97820 HX |
794 | } |
795 | ||
7ba683a6 HX |
796 | int crypto_aead_setauthsize(struct crypto_aead *tfm, unsigned int authsize); |
797 | ||
1ae97820 HX |
798 | static inline struct crypto_aead *crypto_aead_reqtfm(struct aead_request *req) |
799 | { | |
800 | return __crypto_aead_cast(req->base.tfm); | |
801 | } | |
802 | ||
803 | static inline int crypto_aead_encrypt(struct aead_request *req) | |
804 | { | |
805 | return crypto_aead_crt(crypto_aead_reqtfm(req))->encrypt(req); | |
806 | } | |
807 | ||
808 | static inline int crypto_aead_decrypt(struct aead_request *req) | |
809 | { | |
810 | return crypto_aead_crt(crypto_aead_reqtfm(req))->decrypt(req); | |
811 | } | |
812 | ||
b16c3a2e | 813 | static inline unsigned int crypto_aead_reqsize(struct crypto_aead *tfm) |
1ae97820 HX |
814 | { |
815 | return crypto_aead_crt(tfm)->reqsize; | |
816 | } | |
817 | ||
818 | static inline void aead_request_set_tfm(struct aead_request *req, | |
819 | struct crypto_aead *tfm) | |
820 | { | |
5b6d2d7f | 821 | req->base.tfm = crypto_aead_tfm(crypto_aead_crt(tfm)->base); |
1ae97820 HX |
822 | } |
823 | ||
824 | static inline struct aead_request *aead_request_alloc(struct crypto_aead *tfm, | |
825 | gfp_t gfp) | |
826 | { | |
827 | struct aead_request *req; | |
828 | ||
829 | req = kmalloc(sizeof(*req) + crypto_aead_reqsize(tfm), gfp); | |
830 | ||
831 | if (likely(req)) | |
832 | aead_request_set_tfm(req, tfm); | |
833 | ||
834 | return req; | |
835 | } | |
836 | ||
837 | static inline void aead_request_free(struct aead_request *req) | |
838 | { | |
aef73cfc | 839 | kzfree(req); |
1ae97820 HX |
840 | } |
841 | ||
842 | static inline void aead_request_set_callback(struct aead_request *req, | |
843 | u32 flags, | |
3e3dc25f | 844 | crypto_completion_t compl, |
1ae97820 HX |
845 | void *data) |
846 | { | |
3e3dc25f | 847 | req->base.complete = compl; |
1ae97820 HX |
848 | req->base.data = data; |
849 | req->base.flags = flags; | |
850 | } | |
851 | ||
852 | static inline void aead_request_set_crypt(struct aead_request *req, | |
853 | struct scatterlist *src, | |
854 | struct scatterlist *dst, | |
855 | unsigned int cryptlen, u8 *iv) | |
856 | { | |
857 | req->src = src; | |
858 | req->dst = dst; | |
859 | req->cryptlen = cryptlen; | |
860 | req->iv = iv; | |
861 | } | |
862 | ||
863 | static inline void aead_request_set_assoc(struct aead_request *req, | |
864 | struct scatterlist *assoc, | |
865 | unsigned int assoclen) | |
866 | { | |
867 | req->assoc = assoc; | |
868 | req->assoclen = assoclen; | |
869 | } | |
870 | ||
5cde0af2 HX |
871 | static inline struct crypto_blkcipher *__crypto_blkcipher_cast( |
872 | struct crypto_tfm *tfm) | |
873 | { | |
874 | return (struct crypto_blkcipher *)tfm; | |
875 | } | |
876 | ||
877 | static inline struct crypto_blkcipher *crypto_blkcipher_cast( | |
878 | struct crypto_tfm *tfm) | |
879 | { | |
880 | BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_BLKCIPHER); | |
881 | return __crypto_blkcipher_cast(tfm); | |
882 | } | |
883 | ||
884 | static inline struct crypto_blkcipher *crypto_alloc_blkcipher( | |
885 | const char *alg_name, u32 type, u32 mask) | |
886 | { | |
332f8840 | 887 | type &= ~CRYPTO_ALG_TYPE_MASK; |
5cde0af2 | 888 | type |= CRYPTO_ALG_TYPE_BLKCIPHER; |
332f8840 | 889 | mask |= CRYPTO_ALG_TYPE_MASK; |
5cde0af2 HX |
890 | |
891 | return __crypto_blkcipher_cast(crypto_alloc_base(alg_name, type, mask)); | |
892 | } | |
893 | ||
894 | static inline struct crypto_tfm *crypto_blkcipher_tfm( | |
895 | struct crypto_blkcipher *tfm) | |
896 | { | |
897 | return &tfm->base; | |
898 | } | |
899 | ||
900 | static inline void crypto_free_blkcipher(struct crypto_blkcipher *tfm) | |
901 | { | |
902 | crypto_free_tfm(crypto_blkcipher_tfm(tfm)); | |
903 | } | |
904 | ||
fce32d70 HX |
905 | static inline int crypto_has_blkcipher(const char *alg_name, u32 type, u32 mask) |
906 | { | |
332f8840 | 907 | type &= ~CRYPTO_ALG_TYPE_MASK; |
fce32d70 | 908 | type |= CRYPTO_ALG_TYPE_BLKCIPHER; |
332f8840 | 909 | mask |= CRYPTO_ALG_TYPE_MASK; |
fce32d70 HX |
910 | |
911 | return crypto_has_alg(alg_name, type, mask); | |
912 | } | |
913 | ||
5cde0af2 HX |
914 | static inline const char *crypto_blkcipher_name(struct crypto_blkcipher *tfm) |
915 | { | |
916 | return crypto_tfm_alg_name(crypto_blkcipher_tfm(tfm)); | |
917 | } | |
918 | ||
919 | static inline struct blkcipher_tfm *crypto_blkcipher_crt( | |
920 | struct crypto_blkcipher *tfm) | |
921 | { | |
922 | return &crypto_blkcipher_tfm(tfm)->crt_blkcipher; | |
923 | } | |
924 | ||
925 | static inline struct blkcipher_alg *crypto_blkcipher_alg( | |
926 | struct crypto_blkcipher *tfm) | |
927 | { | |
928 | return &crypto_blkcipher_tfm(tfm)->__crt_alg->cra_blkcipher; | |
929 | } | |
930 | ||
931 | static inline unsigned int crypto_blkcipher_ivsize(struct crypto_blkcipher *tfm) | |
932 | { | |
933 | return crypto_blkcipher_alg(tfm)->ivsize; | |
934 | } | |
935 | ||
936 | static inline unsigned int crypto_blkcipher_blocksize( | |
937 | struct crypto_blkcipher *tfm) | |
938 | { | |
939 | return crypto_tfm_alg_blocksize(crypto_blkcipher_tfm(tfm)); | |
940 | } | |
941 | ||
942 | static inline unsigned int crypto_blkcipher_alignmask( | |
943 | struct crypto_blkcipher *tfm) | |
944 | { | |
945 | return crypto_tfm_alg_alignmask(crypto_blkcipher_tfm(tfm)); | |
946 | } | |
947 | ||
948 | static inline u32 crypto_blkcipher_get_flags(struct crypto_blkcipher *tfm) | |
949 | { | |
950 | return crypto_tfm_get_flags(crypto_blkcipher_tfm(tfm)); | |
951 | } | |
952 | ||
953 | static inline void crypto_blkcipher_set_flags(struct crypto_blkcipher *tfm, | |
954 | u32 flags) | |
955 | { | |
956 | crypto_tfm_set_flags(crypto_blkcipher_tfm(tfm), flags); | |
957 | } | |
958 | ||
959 | static inline void crypto_blkcipher_clear_flags(struct crypto_blkcipher *tfm, | |
960 | u32 flags) | |
961 | { | |
962 | crypto_tfm_clear_flags(crypto_blkcipher_tfm(tfm), flags); | |
963 | } | |
964 | ||
965 | static inline int crypto_blkcipher_setkey(struct crypto_blkcipher *tfm, | |
966 | const u8 *key, unsigned int keylen) | |
967 | { | |
968 | return crypto_blkcipher_crt(tfm)->setkey(crypto_blkcipher_tfm(tfm), | |
969 | key, keylen); | |
970 | } | |
971 | ||
972 | static inline int crypto_blkcipher_encrypt(struct blkcipher_desc *desc, | |
973 | struct scatterlist *dst, | |
974 | struct scatterlist *src, | |
975 | unsigned int nbytes) | |
976 | { | |
977 | desc->info = crypto_blkcipher_crt(desc->tfm)->iv; | |
978 | return crypto_blkcipher_crt(desc->tfm)->encrypt(desc, dst, src, nbytes); | |
979 | } | |
980 | ||
981 | static inline int crypto_blkcipher_encrypt_iv(struct blkcipher_desc *desc, | |
982 | struct scatterlist *dst, | |
983 | struct scatterlist *src, | |
984 | unsigned int nbytes) | |
985 | { | |
986 | return crypto_blkcipher_crt(desc->tfm)->encrypt(desc, dst, src, nbytes); | |
987 | } | |
988 | ||
989 | static inline int crypto_blkcipher_decrypt(struct blkcipher_desc *desc, | |
990 | struct scatterlist *dst, | |
991 | struct scatterlist *src, | |
992 | unsigned int nbytes) | |
993 | { | |
994 | desc->info = crypto_blkcipher_crt(desc->tfm)->iv; | |
995 | return crypto_blkcipher_crt(desc->tfm)->decrypt(desc, dst, src, nbytes); | |
996 | } | |
997 | ||
998 | static inline int crypto_blkcipher_decrypt_iv(struct blkcipher_desc *desc, | |
999 | struct scatterlist *dst, | |
1000 | struct scatterlist *src, | |
1001 | unsigned int nbytes) | |
1002 | { | |
1003 | return crypto_blkcipher_crt(desc->tfm)->decrypt(desc, dst, src, nbytes); | |
1004 | } | |
1005 | ||
1006 | static inline void crypto_blkcipher_set_iv(struct crypto_blkcipher *tfm, | |
1007 | const u8 *src, unsigned int len) | |
1008 | { | |
1009 | memcpy(crypto_blkcipher_crt(tfm)->iv, src, len); | |
1010 | } | |
1011 | ||
1012 | static inline void crypto_blkcipher_get_iv(struct crypto_blkcipher *tfm, | |
1013 | u8 *dst, unsigned int len) | |
1014 | { | |
1015 | memcpy(dst, crypto_blkcipher_crt(tfm)->iv, len); | |
1016 | } | |
1017 | ||
f28776a3 HX |
1018 | static inline struct crypto_cipher *__crypto_cipher_cast(struct crypto_tfm *tfm) |
1019 | { | |
1020 | return (struct crypto_cipher *)tfm; | |
1021 | } | |
1022 | ||
1023 | static inline struct crypto_cipher *crypto_cipher_cast(struct crypto_tfm *tfm) | |
1024 | { | |
1025 | BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_CIPHER); | |
1026 | return __crypto_cipher_cast(tfm); | |
1027 | } | |
1028 | ||
1029 | static inline struct crypto_cipher *crypto_alloc_cipher(const char *alg_name, | |
1030 | u32 type, u32 mask) | |
1031 | { | |
1032 | type &= ~CRYPTO_ALG_TYPE_MASK; | |
1033 | type |= CRYPTO_ALG_TYPE_CIPHER; | |
1034 | mask |= CRYPTO_ALG_TYPE_MASK; | |
1035 | ||
1036 | return __crypto_cipher_cast(crypto_alloc_base(alg_name, type, mask)); | |
1037 | } | |
1038 | ||
1039 | static inline struct crypto_tfm *crypto_cipher_tfm(struct crypto_cipher *tfm) | |
1040 | { | |
78a1fe4f | 1041 | return &tfm->base; |
f28776a3 HX |
1042 | } |
1043 | ||
1044 | static inline void crypto_free_cipher(struct crypto_cipher *tfm) | |
1045 | { | |
1046 | crypto_free_tfm(crypto_cipher_tfm(tfm)); | |
1047 | } | |
1048 | ||
fce32d70 HX |
1049 | static inline int crypto_has_cipher(const char *alg_name, u32 type, u32 mask) |
1050 | { | |
1051 | type &= ~CRYPTO_ALG_TYPE_MASK; | |
1052 | type |= CRYPTO_ALG_TYPE_CIPHER; | |
1053 | mask |= CRYPTO_ALG_TYPE_MASK; | |
1054 | ||
1055 | return crypto_has_alg(alg_name, type, mask); | |
1056 | } | |
1057 | ||
f28776a3 HX |
1058 | static inline struct cipher_tfm *crypto_cipher_crt(struct crypto_cipher *tfm) |
1059 | { | |
1060 | return &crypto_cipher_tfm(tfm)->crt_cipher; | |
1061 | } | |
1062 | ||
1063 | static inline unsigned int crypto_cipher_blocksize(struct crypto_cipher *tfm) | |
1064 | { | |
1065 | return crypto_tfm_alg_blocksize(crypto_cipher_tfm(tfm)); | |
1066 | } | |
1067 | ||
1068 | static inline unsigned int crypto_cipher_alignmask(struct crypto_cipher *tfm) | |
1069 | { | |
1070 | return crypto_tfm_alg_alignmask(crypto_cipher_tfm(tfm)); | |
1071 | } | |
1072 | ||
1073 | static inline u32 crypto_cipher_get_flags(struct crypto_cipher *tfm) | |
1074 | { | |
1075 | return crypto_tfm_get_flags(crypto_cipher_tfm(tfm)); | |
1076 | } | |
1077 | ||
1078 | static inline void crypto_cipher_set_flags(struct crypto_cipher *tfm, | |
1079 | u32 flags) | |
1080 | { | |
1081 | crypto_tfm_set_flags(crypto_cipher_tfm(tfm), flags); | |
1082 | } | |
1083 | ||
1084 | static inline void crypto_cipher_clear_flags(struct crypto_cipher *tfm, | |
1085 | u32 flags) | |
1086 | { | |
1087 | crypto_tfm_clear_flags(crypto_cipher_tfm(tfm), flags); | |
1088 | } | |
1089 | ||
7226bc87 HX |
1090 | static inline int crypto_cipher_setkey(struct crypto_cipher *tfm, |
1091 | const u8 *key, unsigned int keylen) | |
1092 | { | |
1093 | return crypto_cipher_crt(tfm)->cit_setkey(crypto_cipher_tfm(tfm), | |
1094 | key, keylen); | |
1095 | } | |
1096 | ||
f28776a3 HX |
1097 | static inline void crypto_cipher_encrypt_one(struct crypto_cipher *tfm, |
1098 | u8 *dst, const u8 *src) | |
1099 | { | |
1100 | crypto_cipher_crt(tfm)->cit_encrypt_one(crypto_cipher_tfm(tfm), | |
1101 | dst, src); | |
1102 | } | |
1103 | ||
1104 | static inline void crypto_cipher_decrypt_one(struct crypto_cipher *tfm, | |
1105 | u8 *dst, const u8 *src) | |
1106 | { | |
1107 | crypto_cipher_crt(tfm)->cit_decrypt_one(crypto_cipher_tfm(tfm), | |
1108 | dst, src); | |
1109 | } | |
1110 | ||
055bcee3 | 1111 | static inline struct crypto_hash *__crypto_hash_cast(struct crypto_tfm *tfm) |
1da177e4 | 1112 | { |
055bcee3 | 1113 | return (struct crypto_hash *)tfm; |
1da177e4 LT |
1114 | } |
1115 | ||
055bcee3 | 1116 | static inline struct crypto_hash *crypto_hash_cast(struct crypto_tfm *tfm) |
1da177e4 | 1117 | { |
055bcee3 HX |
1118 | BUG_ON((crypto_tfm_alg_type(tfm) ^ CRYPTO_ALG_TYPE_HASH) & |
1119 | CRYPTO_ALG_TYPE_HASH_MASK); | |
1120 | return __crypto_hash_cast(tfm); | |
1da177e4 LT |
1121 | } |
1122 | ||
055bcee3 HX |
1123 | static inline struct crypto_hash *crypto_alloc_hash(const char *alg_name, |
1124 | u32 type, u32 mask) | |
1da177e4 | 1125 | { |
055bcee3 | 1126 | type &= ~CRYPTO_ALG_TYPE_MASK; |
551a09a7 | 1127 | mask &= ~CRYPTO_ALG_TYPE_MASK; |
055bcee3 HX |
1128 | type |= CRYPTO_ALG_TYPE_HASH; |
1129 | mask |= CRYPTO_ALG_TYPE_HASH_MASK; | |
1130 | ||
1131 | return __crypto_hash_cast(crypto_alloc_base(alg_name, type, mask)); | |
1da177e4 LT |
1132 | } |
1133 | ||
055bcee3 | 1134 | static inline struct crypto_tfm *crypto_hash_tfm(struct crypto_hash *tfm) |
1da177e4 | 1135 | { |
055bcee3 HX |
1136 | return &tfm->base; |
1137 | } | |
1138 | ||
1139 | static inline void crypto_free_hash(struct crypto_hash *tfm) | |
1140 | { | |
1141 | crypto_free_tfm(crypto_hash_tfm(tfm)); | |
1142 | } | |
1143 | ||
fce32d70 HX |
1144 | static inline int crypto_has_hash(const char *alg_name, u32 type, u32 mask) |
1145 | { | |
1146 | type &= ~CRYPTO_ALG_TYPE_MASK; | |
551a09a7 | 1147 | mask &= ~CRYPTO_ALG_TYPE_MASK; |
fce32d70 HX |
1148 | type |= CRYPTO_ALG_TYPE_HASH; |
1149 | mask |= CRYPTO_ALG_TYPE_HASH_MASK; | |
1150 | ||
1151 | return crypto_has_alg(alg_name, type, mask); | |
1152 | } | |
1153 | ||
055bcee3 HX |
1154 | static inline struct hash_tfm *crypto_hash_crt(struct crypto_hash *tfm) |
1155 | { | |
1156 | return &crypto_hash_tfm(tfm)->crt_hash; | |
1157 | } | |
1158 | ||
1159 | static inline unsigned int crypto_hash_blocksize(struct crypto_hash *tfm) | |
1160 | { | |
1161 | return crypto_tfm_alg_blocksize(crypto_hash_tfm(tfm)); | |
1162 | } | |
1163 | ||
1164 | static inline unsigned int crypto_hash_alignmask(struct crypto_hash *tfm) | |
1165 | { | |
1166 | return crypto_tfm_alg_alignmask(crypto_hash_tfm(tfm)); | |
1167 | } | |
1168 | ||
1169 | static inline unsigned int crypto_hash_digestsize(struct crypto_hash *tfm) | |
1170 | { | |
1171 | return crypto_hash_crt(tfm)->digestsize; | |
1172 | } | |
1173 | ||
1174 | static inline u32 crypto_hash_get_flags(struct crypto_hash *tfm) | |
1175 | { | |
1176 | return crypto_tfm_get_flags(crypto_hash_tfm(tfm)); | |
1177 | } | |
1178 | ||
1179 | static inline void crypto_hash_set_flags(struct crypto_hash *tfm, u32 flags) | |
1180 | { | |
1181 | crypto_tfm_set_flags(crypto_hash_tfm(tfm), flags); | |
1182 | } | |
1183 | ||
1184 | static inline void crypto_hash_clear_flags(struct crypto_hash *tfm, u32 flags) | |
1185 | { | |
1186 | crypto_tfm_clear_flags(crypto_hash_tfm(tfm), flags); | |
1187 | } | |
1188 | ||
1189 | static inline int crypto_hash_init(struct hash_desc *desc) | |
1190 | { | |
1191 | return crypto_hash_crt(desc->tfm)->init(desc); | |
1192 | } | |
1193 | ||
1194 | static inline int crypto_hash_update(struct hash_desc *desc, | |
1195 | struct scatterlist *sg, | |
1196 | unsigned int nbytes) | |
1197 | { | |
1198 | return crypto_hash_crt(desc->tfm)->update(desc, sg, nbytes); | |
1199 | } | |
1200 | ||
1201 | static inline int crypto_hash_final(struct hash_desc *desc, u8 *out) | |
1202 | { | |
1203 | return crypto_hash_crt(desc->tfm)->final(desc, out); | |
1204 | } | |
1205 | ||
1206 | static inline int crypto_hash_digest(struct hash_desc *desc, | |
1207 | struct scatterlist *sg, | |
1208 | unsigned int nbytes, u8 *out) | |
1209 | { | |
1210 | return crypto_hash_crt(desc->tfm)->digest(desc, sg, nbytes, out); | |
1211 | } | |
1212 | ||
1213 | static inline int crypto_hash_setkey(struct crypto_hash *hash, | |
1214 | const u8 *key, unsigned int keylen) | |
1215 | { | |
1216 | return crypto_hash_crt(hash)->setkey(hash, key, keylen); | |
1da177e4 LT |
1217 | } |
1218 | ||
fce32d70 HX |
1219 | static inline struct crypto_comp *__crypto_comp_cast(struct crypto_tfm *tfm) |
1220 | { | |
1221 | return (struct crypto_comp *)tfm; | |
1222 | } | |
1223 | ||
1224 | static inline struct crypto_comp *crypto_comp_cast(struct crypto_tfm *tfm) | |
1225 | { | |
1226 | BUG_ON((crypto_tfm_alg_type(tfm) ^ CRYPTO_ALG_TYPE_COMPRESS) & | |
1227 | CRYPTO_ALG_TYPE_MASK); | |
1228 | return __crypto_comp_cast(tfm); | |
1229 | } | |
1230 | ||
1231 | static inline struct crypto_comp *crypto_alloc_comp(const char *alg_name, | |
1232 | u32 type, u32 mask) | |
1233 | { | |
1234 | type &= ~CRYPTO_ALG_TYPE_MASK; | |
1235 | type |= CRYPTO_ALG_TYPE_COMPRESS; | |
1236 | mask |= CRYPTO_ALG_TYPE_MASK; | |
1237 | ||
1238 | return __crypto_comp_cast(crypto_alloc_base(alg_name, type, mask)); | |
1239 | } | |
1240 | ||
1241 | static inline struct crypto_tfm *crypto_comp_tfm(struct crypto_comp *tfm) | |
1242 | { | |
78a1fe4f | 1243 | return &tfm->base; |
fce32d70 HX |
1244 | } |
1245 | ||
1246 | static inline void crypto_free_comp(struct crypto_comp *tfm) | |
1247 | { | |
1248 | crypto_free_tfm(crypto_comp_tfm(tfm)); | |
1249 | } | |
1250 | ||
1251 | static inline int crypto_has_comp(const char *alg_name, u32 type, u32 mask) | |
1252 | { | |
1253 | type &= ~CRYPTO_ALG_TYPE_MASK; | |
1254 | type |= CRYPTO_ALG_TYPE_COMPRESS; | |
1255 | mask |= CRYPTO_ALG_TYPE_MASK; | |
1256 | ||
1257 | return crypto_has_alg(alg_name, type, mask); | |
1258 | } | |
1259 | ||
e4d5b79c HX |
1260 | static inline const char *crypto_comp_name(struct crypto_comp *tfm) |
1261 | { | |
1262 | return crypto_tfm_alg_name(crypto_comp_tfm(tfm)); | |
1263 | } | |
1264 | ||
fce32d70 HX |
1265 | static inline struct compress_tfm *crypto_comp_crt(struct crypto_comp *tfm) |
1266 | { | |
1267 | return &crypto_comp_tfm(tfm)->crt_compress; | |
1268 | } | |
1269 | ||
1270 | static inline int crypto_comp_compress(struct crypto_comp *tfm, | |
1da177e4 LT |
1271 | const u8 *src, unsigned int slen, |
1272 | u8 *dst, unsigned int *dlen) | |
1273 | { | |
78a1fe4f HX |
1274 | return crypto_comp_crt(tfm)->cot_compress(crypto_comp_tfm(tfm), |
1275 | src, slen, dst, dlen); | |
1da177e4 LT |
1276 | } |
1277 | ||
fce32d70 | 1278 | static inline int crypto_comp_decompress(struct crypto_comp *tfm, |
1da177e4 LT |
1279 | const u8 *src, unsigned int slen, |
1280 | u8 *dst, unsigned int *dlen) | |
1281 | { | |
78a1fe4f HX |
1282 | return crypto_comp_crt(tfm)->cot_decompress(crypto_comp_tfm(tfm), |
1283 | src, slen, dst, dlen); | |
1da177e4 LT |
1284 | } |
1285 | ||
1da177e4 LT |
1286 | #endif /* _LINUX_CRYPTO_H */ |
1287 |