Commit | Line | Data |
---|---|---|
1da177e4 LT |
1 | /* |
2 | * Scatterlist Cryptographic API. | |
3 | * | |
4 | * Copyright (c) 2002 James Morris <jmorris@intercode.com.au> | |
5 | * Copyright (c) 2002 David S. Miller (davem@redhat.com) | |
5cb1454b | 6 | * Copyright (c) 2005 Herbert Xu <herbert@gondor.apana.org.au> |
1da177e4 LT |
7 | * |
8 | * Portions derived from Cryptoapi, by Alexander Kjeldaas <astor@fast.no> | |
18735dd8 | 9 | * and Nettle, by Niels Möller. |
1da177e4 LT |
10 | * |
11 | * This program is free software; you can redistribute it and/or modify it | |
12 | * under the terms of the GNU General Public License as published by the Free | |
13 | * Software Foundation; either version 2 of the License, or (at your option) | |
14 | * any later version. | |
15 | * | |
16 | */ | |
17 | #ifndef _LINUX_CRYPTO_H | |
18 | #define _LINUX_CRYPTO_H | |
19 | ||
6521f302 | 20 | #include <asm/atomic.h> |
1da177e4 LT |
21 | #include <linux/module.h> |
22 | #include <linux/kernel.h> | |
1da177e4 | 23 | #include <linux/list.h> |
79911102 | 24 | #include <linux/slab.h> |
1da177e4 | 25 | #include <linux/string.h> |
79911102 | 26 | #include <linux/uaccess.h> |
1da177e4 LT |
27 | |
28 | /* | |
29 | * Algorithm masks and types. | |
30 | */ | |
2825982d | 31 | #define CRYPTO_ALG_TYPE_MASK 0x0000000f |
1da177e4 | 32 | #define CRYPTO_ALG_TYPE_CIPHER 0x00000001 |
004a403c LH |
33 | #define CRYPTO_ALG_TYPE_COMPRESS 0x00000002 |
34 | #define CRYPTO_ALG_TYPE_AEAD 0x00000003 | |
055bcee3 | 35 | #define CRYPTO_ALG_TYPE_BLKCIPHER 0x00000004 |
332f8840 | 36 | #define CRYPTO_ALG_TYPE_ABLKCIPHER 0x00000005 |
61da88e2 | 37 | #define CRYPTO_ALG_TYPE_GIVCIPHER 0x00000006 |
004a403c | 38 | #define CRYPTO_ALG_TYPE_DIGEST 0x00000008 |
5f7082ed HX |
39 | #define CRYPTO_ALG_TYPE_HASH 0x00000008 |
40 | #define CRYPTO_ALG_TYPE_SHASH 0x00000009 | |
004a403c | 41 | #define CRYPTO_ALG_TYPE_AHASH 0x0000000a |
17f0f4a4 | 42 | #define CRYPTO_ALG_TYPE_RNG 0x0000000c |
a1d2f095 | 43 | #define CRYPTO_ALG_TYPE_PCOMPRESS 0x0000000f |
055bcee3 HX |
44 | |
45 | #define CRYPTO_ALG_TYPE_HASH_MASK 0x0000000e | |
004a403c | 46 | #define CRYPTO_ALG_TYPE_AHASH_MASK 0x0000000c |
332f8840 | 47 | #define CRYPTO_ALG_TYPE_BLKCIPHER_MASK 0x0000000c |
1da177e4 | 48 | |
2825982d | 49 | #define CRYPTO_ALG_LARVAL 0x00000010 |
6bfd4809 HX |
50 | #define CRYPTO_ALG_DEAD 0x00000020 |
51 | #define CRYPTO_ALG_DYING 0x00000040 | |
f3f632d6 | 52 | #define CRYPTO_ALG_ASYNC 0x00000080 |
2825982d | 53 | |
6010439f HX |
54 | /* |
55 | * Set this bit if and only if the algorithm requires another algorithm of | |
56 | * the same type to handle corner cases. | |
57 | */ | |
58 | #define CRYPTO_ALG_NEED_FALLBACK 0x00000100 | |
59 | ||
ecfc4329 HX |
60 | /* |
61 | * This bit is set for symmetric key ciphers that have already been wrapped | |
62 | * with a generic IV generator to prevent them from being wrapped again. | |
63 | */ | |
64 | #define CRYPTO_ALG_GENIV 0x00000200 | |
65 | ||
73d3864a HX |
66 | /* |
67 | * Set if the algorithm has passed automated run-time testing. Note that | |
68 | * if there is no run-time testing for a given algorithm it is considered | |
69 | * to have passed. | |
70 | */ | |
71 | ||
72 | #define CRYPTO_ALG_TESTED 0x00000400 | |
73 | ||
1da177e4 LT |
74 | /* |
75 | * Transform masks and values (for crt_flags). | |
76 | */ | |
1da177e4 LT |
77 | #define CRYPTO_TFM_REQ_MASK 0x000fff00 |
78 | #define CRYPTO_TFM_RES_MASK 0xfff00000 | |
79 | ||
1da177e4 | 80 | #define CRYPTO_TFM_REQ_WEAK_KEY 0x00000100 |
64baf3cf | 81 | #define CRYPTO_TFM_REQ_MAY_SLEEP 0x00000200 |
32e3983f | 82 | #define CRYPTO_TFM_REQ_MAY_BACKLOG 0x00000400 |
1da177e4 LT |
83 | #define CRYPTO_TFM_RES_WEAK_KEY 0x00100000 |
84 | #define CRYPTO_TFM_RES_BAD_KEY_LEN 0x00200000 | |
85 | #define CRYPTO_TFM_RES_BAD_KEY_SCHED 0x00400000 | |
86 | #define CRYPTO_TFM_RES_BAD_BLOCK_LEN 0x00800000 | |
87 | #define CRYPTO_TFM_RES_BAD_FLAGS 0x01000000 | |
88 | ||
89 | /* | |
90 | * Miscellaneous stuff. | |
91 | */ | |
1da177e4 LT |
92 | #define CRYPTO_MAX_ALG_NAME 64 |
93 | ||
79911102 HX |
94 | /* |
95 | * The macro CRYPTO_MINALIGN_ATTR (along with the void * type in the actual | |
96 | * declaration) is used to ensure that the crypto_tfm context structure is | |
97 | * aligned correctly for the given architecture so that there are no alignment | |
98 | * faults for C data types. In particular, this is required on platforms such | |
99 | * as arm where pointers are 32-bit aligned but there are data types such as | |
100 | * u64 which require 64-bit alignment. | |
101 | */ | |
102 | #if defined(ARCH_KMALLOC_MINALIGN) | |
103 | #define CRYPTO_MINALIGN ARCH_KMALLOC_MINALIGN | |
104 | #elif defined(ARCH_SLAB_MINALIGN) | |
105 | #define CRYPTO_MINALIGN ARCH_SLAB_MINALIGN | |
6eb72284 HX |
106 | #else |
107 | #define CRYPTO_MINALIGN __alignof__(unsigned long long) | |
79911102 HX |
108 | #endif |
109 | ||
79911102 | 110 | #define CRYPTO_MINALIGN_ATTR __attribute__ ((__aligned__(CRYPTO_MINALIGN))) |
79911102 | 111 | |
1da177e4 | 112 | struct scatterlist; |
32e3983f HX |
113 | struct crypto_ablkcipher; |
114 | struct crypto_async_request; | |
1ae97820 | 115 | struct crypto_aead; |
5cde0af2 | 116 | struct crypto_blkcipher; |
055bcee3 | 117 | struct crypto_hash; |
17f0f4a4 | 118 | struct crypto_rng; |
40725181 | 119 | struct crypto_tfm; |
e853c3cf | 120 | struct crypto_type; |
743edf57 | 121 | struct aead_givcrypt_request; |
61da88e2 | 122 | struct skcipher_givcrypt_request; |
40725181 | 123 | |
32e3983f HX |
124 | typedef void (*crypto_completion_t)(struct crypto_async_request *req, int err); |
125 | ||
126 | struct crypto_async_request { | |
127 | struct list_head list; | |
128 | crypto_completion_t complete; | |
129 | void *data; | |
130 | struct crypto_tfm *tfm; | |
131 | ||
132 | u32 flags; | |
133 | }; | |
134 | ||
135 | struct ablkcipher_request { | |
136 | struct crypto_async_request base; | |
137 | ||
138 | unsigned int nbytes; | |
139 | ||
140 | void *info; | |
141 | ||
142 | struct scatterlist *src; | |
143 | struct scatterlist *dst; | |
144 | ||
145 | void *__ctx[] CRYPTO_MINALIGN_ATTR; | |
146 | }; | |
147 | ||
1ae97820 HX |
148 | /** |
149 | * struct aead_request - AEAD request | |
150 | * @base: Common attributes for async crypto requests | |
151 | * @assoclen: Length in bytes of associated data for authentication | |
152 | * @cryptlen: Length of data to be encrypted or decrypted | |
153 | * @iv: Initialisation vector | |
154 | * @assoc: Associated data | |
155 | * @src: Source data | |
156 | * @dst: Destination data | |
157 | * @__ctx: Start of private context data | |
158 | */ | |
159 | struct aead_request { | |
160 | struct crypto_async_request base; | |
161 | ||
162 | unsigned int assoclen; | |
163 | unsigned int cryptlen; | |
164 | ||
165 | u8 *iv; | |
166 | ||
167 | struct scatterlist *assoc; | |
168 | struct scatterlist *src; | |
169 | struct scatterlist *dst; | |
170 | ||
171 | void *__ctx[] CRYPTO_MINALIGN_ATTR; | |
172 | }; | |
173 | ||
5cde0af2 HX |
174 | struct blkcipher_desc { |
175 | struct crypto_blkcipher *tfm; | |
176 | void *info; | |
177 | u32 flags; | |
178 | }; | |
179 | ||
40725181 HX |
180 | struct cipher_desc { |
181 | struct crypto_tfm *tfm; | |
6c2bb98b | 182 | void (*crfn)(struct crypto_tfm *tfm, u8 *dst, const u8 *src); |
40725181 HX |
183 | unsigned int (*prfn)(const struct cipher_desc *desc, u8 *dst, |
184 | const u8 *src, unsigned int nbytes); | |
185 | void *info; | |
186 | }; | |
1da177e4 | 187 | |
055bcee3 HX |
188 | struct hash_desc { |
189 | struct crypto_hash *tfm; | |
190 | u32 flags; | |
191 | }; | |
192 | ||
1da177e4 LT |
193 | /* |
194 | * Algorithms: modular crypto algorithm implementations, managed | |
195 | * via crypto_register_alg() and crypto_unregister_alg(). | |
196 | */ | |
b5b7f088 HX |
197 | struct ablkcipher_alg { |
198 | int (*setkey)(struct crypto_ablkcipher *tfm, const u8 *key, | |
199 | unsigned int keylen); | |
200 | int (*encrypt)(struct ablkcipher_request *req); | |
201 | int (*decrypt)(struct ablkcipher_request *req); | |
61da88e2 HX |
202 | int (*givencrypt)(struct skcipher_givcrypt_request *req); |
203 | int (*givdecrypt)(struct skcipher_givcrypt_request *req); | |
b5b7f088 | 204 | |
23508e11 HX |
205 | const char *geniv; |
206 | ||
b5b7f088 HX |
207 | unsigned int min_keysize; |
208 | unsigned int max_keysize; | |
209 | unsigned int ivsize; | |
210 | }; | |
211 | ||
1ae97820 HX |
212 | struct aead_alg { |
213 | int (*setkey)(struct crypto_aead *tfm, const u8 *key, | |
214 | unsigned int keylen); | |
7ba683a6 | 215 | int (*setauthsize)(struct crypto_aead *tfm, unsigned int authsize); |
1ae97820 HX |
216 | int (*encrypt)(struct aead_request *req); |
217 | int (*decrypt)(struct aead_request *req); | |
743edf57 HX |
218 | int (*givencrypt)(struct aead_givcrypt_request *req); |
219 | int (*givdecrypt)(struct aead_givcrypt_request *req); | |
1ae97820 | 220 | |
5b6d2d7f HX |
221 | const char *geniv; |
222 | ||
1ae97820 | 223 | unsigned int ivsize; |
7ba683a6 | 224 | unsigned int maxauthsize; |
1ae97820 HX |
225 | }; |
226 | ||
5cde0af2 HX |
227 | struct blkcipher_alg { |
228 | int (*setkey)(struct crypto_tfm *tfm, const u8 *key, | |
229 | unsigned int keylen); | |
230 | int (*encrypt)(struct blkcipher_desc *desc, | |
231 | struct scatterlist *dst, struct scatterlist *src, | |
232 | unsigned int nbytes); | |
233 | int (*decrypt)(struct blkcipher_desc *desc, | |
234 | struct scatterlist *dst, struct scatterlist *src, | |
235 | unsigned int nbytes); | |
236 | ||
23508e11 HX |
237 | const char *geniv; |
238 | ||
5cde0af2 HX |
239 | unsigned int min_keysize; |
240 | unsigned int max_keysize; | |
241 | unsigned int ivsize; | |
242 | }; | |
243 | ||
1da177e4 LT |
244 | struct cipher_alg { |
245 | unsigned int cia_min_keysize; | |
246 | unsigned int cia_max_keysize; | |
6c2bb98b | 247 | int (*cia_setkey)(struct crypto_tfm *tfm, const u8 *key, |
560c06ae | 248 | unsigned int keylen); |
6c2bb98b HX |
249 | void (*cia_encrypt)(struct crypto_tfm *tfm, u8 *dst, const u8 *src); |
250 | void (*cia_decrypt)(struct crypto_tfm *tfm, u8 *dst, const u8 *src); | |
1da177e4 LT |
251 | }; |
252 | ||
1da177e4 | 253 | struct compress_alg { |
6c2bb98b HX |
254 | int (*coa_compress)(struct crypto_tfm *tfm, const u8 *src, |
255 | unsigned int slen, u8 *dst, unsigned int *dlen); | |
256 | int (*coa_decompress)(struct crypto_tfm *tfm, const u8 *src, | |
257 | unsigned int slen, u8 *dst, unsigned int *dlen); | |
1da177e4 LT |
258 | }; |
259 | ||
17f0f4a4 NH |
260 | struct rng_alg { |
261 | int (*rng_make_random)(struct crypto_rng *tfm, u8 *rdata, | |
262 | unsigned int dlen); | |
263 | int (*rng_reset)(struct crypto_rng *tfm, u8 *seed, unsigned int slen); | |
264 | ||
265 | unsigned int seedsize; | |
266 | }; | |
267 | ||
268 | ||
b5b7f088 | 269 | #define cra_ablkcipher cra_u.ablkcipher |
1ae97820 | 270 | #define cra_aead cra_u.aead |
5cde0af2 | 271 | #define cra_blkcipher cra_u.blkcipher |
1da177e4 | 272 | #define cra_cipher cra_u.cipher |
1da177e4 | 273 | #define cra_compress cra_u.compress |
17f0f4a4 | 274 | #define cra_rng cra_u.rng |
1da177e4 LT |
275 | |
276 | struct crypto_alg { | |
277 | struct list_head cra_list; | |
6bfd4809 HX |
278 | struct list_head cra_users; |
279 | ||
1da177e4 LT |
280 | u32 cra_flags; |
281 | unsigned int cra_blocksize; | |
282 | unsigned int cra_ctxsize; | |
95477377 | 283 | unsigned int cra_alignmask; |
5cb1454b HX |
284 | |
285 | int cra_priority; | |
6521f302 | 286 | atomic_t cra_refcnt; |
5cb1454b | 287 | |
d913ea0d HX |
288 | char cra_name[CRYPTO_MAX_ALG_NAME]; |
289 | char cra_driver_name[CRYPTO_MAX_ALG_NAME]; | |
1da177e4 | 290 | |
e853c3cf HX |
291 | const struct crypto_type *cra_type; |
292 | ||
1da177e4 | 293 | union { |
b5b7f088 | 294 | struct ablkcipher_alg ablkcipher; |
1ae97820 | 295 | struct aead_alg aead; |
5cde0af2 | 296 | struct blkcipher_alg blkcipher; |
1da177e4 | 297 | struct cipher_alg cipher; |
1da177e4 | 298 | struct compress_alg compress; |
17f0f4a4 | 299 | struct rng_alg rng; |
1da177e4 | 300 | } cra_u; |
c7fc0599 HX |
301 | |
302 | int (*cra_init)(struct crypto_tfm *tfm); | |
303 | void (*cra_exit)(struct crypto_tfm *tfm); | |
6521f302 | 304 | void (*cra_destroy)(struct crypto_alg *alg); |
1da177e4 LT |
305 | |
306 | struct module *cra_module; | |
307 | }; | |
308 | ||
309 | /* | |
310 | * Algorithm registration interface. | |
311 | */ | |
312 | int crypto_register_alg(struct crypto_alg *alg); | |
313 | int crypto_unregister_alg(struct crypto_alg *alg); | |
314 | ||
315 | /* | |
316 | * Algorithm query interface. | |
317 | */ | |
fce32d70 | 318 | int crypto_has_alg(const char *name, u32 type, u32 mask); |
1da177e4 LT |
319 | |
320 | /* | |
321 | * Transforms: user-instantiated objects which encapsulate algorithms | |
6d7d684d HX |
322 | * and core processing logic. Managed via crypto_alloc_*() and |
323 | * crypto_free_*(), as well as the various helpers below. | |
1da177e4 | 324 | */ |
1da177e4 | 325 | |
32e3983f HX |
326 | struct ablkcipher_tfm { |
327 | int (*setkey)(struct crypto_ablkcipher *tfm, const u8 *key, | |
328 | unsigned int keylen); | |
329 | int (*encrypt)(struct ablkcipher_request *req); | |
330 | int (*decrypt)(struct ablkcipher_request *req); | |
61da88e2 HX |
331 | int (*givencrypt)(struct skcipher_givcrypt_request *req); |
332 | int (*givdecrypt)(struct skcipher_givcrypt_request *req); | |
333 | ||
ecfc4329 HX |
334 | struct crypto_ablkcipher *base; |
335 | ||
32e3983f HX |
336 | unsigned int ivsize; |
337 | unsigned int reqsize; | |
338 | }; | |
339 | ||
1ae97820 HX |
340 | struct aead_tfm { |
341 | int (*setkey)(struct crypto_aead *tfm, const u8 *key, | |
342 | unsigned int keylen); | |
343 | int (*encrypt)(struct aead_request *req); | |
344 | int (*decrypt)(struct aead_request *req); | |
743edf57 HX |
345 | int (*givencrypt)(struct aead_givcrypt_request *req); |
346 | int (*givdecrypt)(struct aead_givcrypt_request *req); | |
5b6d2d7f HX |
347 | |
348 | struct crypto_aead *base; | |
349 | ||
1ae97820 HX |
350 | unsigned int ivsize; |
351 | unsigned int authsize; | |
352 | unsigned int reqsize; | |
353 | }; | |
354 | ||
5cde0af2 HX |
355 | struct blkcipher_tfm { |
356 | void *iv; | |
357 | int (*setkey)(struct crypto_tfm *tfm, const u8 *key, | |
358 | unsigned int keylen); | |
359 | int (*encrypt)(struct blkcipher_desc *desc, struct scatterlist *dst, | |
360 | struct scatterlist *src, unsigned int nbytes); | |
361 | int (*decrypt)(struct blkcipher_desc *desc, struct scatterlist *dst, | |
362 | struct scatterlist *src, unsigned int nbytes); | |
363 | }; | |
364 | ||
1da177e4 | 365 | struct cipher_tfm { |
1da177e4 LT |
366 | int (*cit_setkey)(struct crypto_tfm *tfm, |
367 | const u8 *key, unsigned int keylen); | |
f28776a3 HX |
368 | void (*cit_encrypt_one)(struct crypto_tfm *tfm, u8 *dst, const u8 *src); |
369 | void (*cit_decrypt_one)(struct crypto_tfm *tfm, u8 *dst, const u8 *src); | |
1da177e4 LT |
370 | }; |
371 | ||
055bcee3 HX |
372 | struct hash_tfm { |
373 | int (*init)(struct hash_desc *desc); | |
374 | int (*update)(struct hash_desc *desc, | |
375 | struct scatterlist *sg, unsigned int nsg); | |
376 | int (*final)(struct hash_desc *desc, u8 *out); | |
377 | int (*digest)(struct hash_desc *desc, struct scatterlist *sg, | |
378 | unsigned int nsg, u8 *out); | |
379 | int (*setkey)(struct crypto_hash *tfm, const u8 *key, | |
380 | unsigned int keylen); | |
055bcee3 | 381 | unsigned int digestsize; |
1da177e4 LT |
382 | }; |
383 | ||
384 | struct compress_tfm { | |
385 | int (*cot_compress)(struct crypto_tfm *tfm, | |
386 | const u8 *src, unsigned int slen, | |
387 | u8 *dst, unsigned int *dlen); | |
388 | int (*cot_decompress)(struct crypto_tfm *tfm, | |
389 | const u8 *src, unsigned int slen, | |
390 | u8 *dst, unsigned int *dlen); | |
391 | }; | |
392 | ||
17f0f4a4 NH |
393 | struct rng_tfm { |
394 | int (*rng_gen_random)(struct crypto_rng *tfm, u8 *rdata, | |
395 | unsigned int dlen); | |
396 | int (*rng_reset)(struct crypto_rng *tfm, u8 *seed, unsigned int slen); | |
397 | }; | |
398 | ||
32e3983f | 399 | #define crt_ablkcipher crt_u.ablkcipher |
1ae97820 | 400 | #define crt_aead crt_u.aead |
5cde0af2 | 401 | #define crt_blkcipher crt_u.blkcipher |
1da177e4 | 402 | #define crt_cipher crt_u.cipher |
055bcee3 | 403 | #define crt_hash crt_u.hash |
1da177e4 | 404 | #define crt_compress crt_u.compress |
17f0f4a4 | 405 | #define crt_rng crt_u.rng |
1da177e4 LT |
406 | |
407 | struct crypto_tfm { | |
408 | ||
409 | u32 crt_flags; | |
410 | ||
411 | union { | |
32e3983f | 412 | struct ablkcipher_tfm ablkcipher; |
1ae97820 | 413 | struct aead_tfm aead; |
5cde0af2 | 414 | struct blkcipher_tfm blkcipher; |
1da177e4 | 415 | struct cipher_tfm cipher; |
055bcee3 | 416 | struct hash_tfm hash; |
1da177e4 | 417 | struct compress_tfm compress; |
17f0f4a4 | 418 | struct rng_tfm rng; |
1da177e4 | 419 | } crt_u; |
4a779486 HX |
420 | |
421 | void (*exit)(struct crypto_tfm *tfm); | |
1da177e4 LT |
422 | |
423 | struct crypto_alg *__crt_alg; | |
f10b7897 | 424 | |
79911102 | 425 | void *__crt_ctx[] CRYPTO_MINALIGN_ATTR; |
1da177e4 LT |
426 | }; |
427 | ||
32e3983f HX |
428 | struct crypto_ablkcipher { |
429 | struct crypto_tfm base; | |
430 | }; | |
431 | ||
1ae97820 HX |
432 | struct crypto_aead { |
433 | struct crypto_tfm base; | |
434 | }; | |
435 | ||
5cde0af2 HX |
436 | struct crypto_blkcipher { |
437 | struct crypto_tfm base; | |
438 | }; | |
439 | ||
78a1fe4f HX |
440 | struct crypto_cipher { |
441 | struct crypto_tfm base; | |
442 | }; | |
443 | ||
444 | struct crypto_comp { | |
445 | struct crypto_tfm base; | |
446 | }; | |
447 | ||
055bcee3 HX |
448 | struct crypto_hash { |
449 | struct crypto_tfm base; | |
450 | }; | |
451 | ||
17f0f4a4 NH |
452 | struct crypto_rng { |
453 | struct crypto_tfm base; | |
454 | }; | |
455 | ||
2b8c19db HX |
456 | enum { |
457 | CRYPTOA_UNSPEC, | |
458 | CRYPTOA_ALG, | |
ebc610e5 | 459 | CRYPTOA_TYPE, |
39e1ee01 | 460 | CRYPTOA_U32, |
ebc610e5 | 461 | __CRYPTOA_MAX, |
2b8c19db HX |
462 | }; |
463 | ||
ebc610e5 HX |
464 | #define CRYPTOA_MAX (__CRYPTOA_MAX - 1) |
465 | ||
39e1ee01 HX |
466 | /* Maximum number of (rtattr) parameters for each template. */ |
467 | #define CRYPTO_MAX_ATTRS 32 | |
468 | ||
2b8c19db HX |
469 | struct crypto_attr_alg { |
470 | char name[CRYPTO_MAX_ALG_NAME]; | |
471 | }; | |
472 | ||
ebc610e5 HX |
473 | struct crypto_attr_type { |
474 | u32 type; | |
475 | u32 mask; | |
476 | }; | |
477 | ||
39e1ee01 HX |
478 | struct crypto_attr_u32 { |
479 | u32 num; | |
480 | }; | |
481 | ||
1da177e4 LT |
482 | /* |
483 | * Transform user interface. | |
484 | */ | |
485 | ||
6d7d684d | 486 | struct crypto_tfm *crypto_alloc_base(const char *alg_name, u32 type, u32 mask); |
7b2cd92a HX |
487 | void crypto_destroy_tfm(void *mem, struct crypto_tfm *tfm); |
488 | ||
489 | static inline void crypto_free_tfm(struct crypto_tfm *tfm) | |
490 | { | |
491 | return crypto_destroy_tfm(tfm, tfm); | |
492 | } | |
1da177e4 | 493 | |
da7f033d HX |
494 | int alg_test(const char *driver, const char *alg, u32 type, u32 mask); |
495 | ||
1da177e4 LT |
496 | /* |
497 | * Transform helpers which query the underlying algorithm. | |
498 | */ | |
499 | static inline const char *crypto_tfm_alg_name(struct crypto_tfm *tfm) | |
500 | { | |
501 | return tfm->__crt_alg->cra_name; | |
502 | } | |
503 | ||
b14cdd67 ML |
504 | static inline const char *crypto_tfm_alg_driver_name(struct crypto_tfm *tfm) |
505 | { | |
506 | return tfm->__crt_alg->cra_driver_name; | |
507 | } | |
508 | ||
509 | static inline int crypto_tfm_alg_priority(struct crypto_tfm *tfm) | |
510 | { | |
511 | return tfm->__crt_alg->cra_priority; | |
512 | } | |
513 | ||
1da177e4 LT |
514 | static inline const char *crypto_tfm_alg_modname(struct crypto_tfm *tfm) |
515 | { | |
516 | return module_name(tfm->__crt_alg->cra_module); | |
517 | } | |
518 | ||
519 | static inline u32 crypto_tfm_alg_type(struct crypto_tfm *tfm) | |
520 | { | |
521 | return tfm->__crt_alg->cra_flags & CRYPTO_ALG_TYPE_MASK; | |
522 | } | |
523 | ||
1da177e4 LT |
524 | static inline unsigned int crypto_tfm_alg_blocksize(struct crypto_tfm *tfm) |
525 | { | |
526 | return tfm->__crt_alg->cra_blocksize; | |
527 | } | |
528 | ||
fbdae9f3 HX |
529 | static inline unsigned int crypto_tfm_alg_alignmask(struct crypto_tfm *tfm) |
530 | { | |
531 | return tfm->__crt_alg->cra_alignmask; | |
532 | } | |
533 | ||
f28776a3 HX |
534 | static inline u32 crypto_tfm_get_flags(struct crypto_tfm *tfm) |
535 | { | |
536 | return tfm->crt_flags; | |
537 | } | |
538 | ||
539 | static inline void crypto_tfm_set_flags(struct crypto_tfm *tfm, u32 flags) | |
540 | { | |
541 | tfm->crt_flags |= flags; | |
542 | } | |
543 | ||
544 | static inline void crypto_tfm_clear_flags(struct crypto_tfm *tfm, u32 flags) | |
545 | { | |
546 | tfm->crt_flags &= ~flags; | |
547 | } | |
548 | ||
40725181 HX |
549 | static inline void *crypto_tfm_ctx(struct crypto_tfm *tfm) |
550 | { | |
f10b7897 HX |
551 | return tfm->__crt_ctx; |
552 | } | |
553 | ||
554 | static inline unsigned int crypto_tfm_ctx_alignment(void) | |
555 | { | |
556 | struct crypto_tfm *tfm; | |
557 | return __alignof__(tfm->__crt_ctx); | |
40725181 HX |
558 | } |
559 | ||
1da177e4 LT |
560 | /* |
561 | * API wrappers. | |
562 | */ | |
32e3983f HX |
563 | static inline struct crypto_ablkcipher *__crypto_ablkcipher_cast( |
564 | struct crypto_tfm *tfm) | |
565 | { | |
566 | return (struct crypto_ablkcipher *)tfm; | |
567 | } | |
568 | ||
378f4f51 | 569 | static inline u32 crypto_skcipher_type(u32 type) |
32e3983f | 570 | { |
ecfc4329 | 571 | type &= ~(CRYPTO_ALG_TYPE_MASK | CRYPTO_ALG_GENIV); |
32e3983f | 572 | type |= CRYPTO_ALG_TYPE_BLKCIPHER; |
378f4f51 HX |
573 | return type; |
574 | } | |
575 | ||
576 | static inline u32 crypto_skcipher_mask(u32 mask) | |
577 | { | |
ecfc4329 | 578 | mask &= ~(CRYPTO_ALG_TYPE_MASK | CRYPTO_ALG_GENIV); |
332f8840 | 579 | mask |= CRYPTO_ALG_TYPE_BLKCIPHER_MASK; |
378f4f51 HX |
580 | return mask; |
581 | } | |
32e3983f | 582 | |
b9c55aa4 HX |
583 | struct crypto_ablkcipher *crypto_alloc_ablkcipher(const char *alg_name, |
584 | u32 type, u32 mask); | |
32e3983f HX |
585 | |
586 | static inline struct crypto_tfm *crypto_ablkcipher_tfm( | |
587 | struct crypto_ablkcipher *tfm) | |
588 | { | |
589 | return &tfm->base; | |
590 | } | |
591 | ||
592 | static inline void crypto_free_ablkcipher(struct crypto_ablkcipher *tfm) | |
593 | { | |
594 | crypto_free_tfm(crypto_ablkcipher_tfm(tfm)); | |
595 | } | |
596 | ||
597 | static inline int crypto_has_ablkcipher(const char *alg_name, u32 type, | |
598 | u32 mask) | |
599 | { | |
378f4f51 HX |
600 | return crypto_has_alg(alg_name, crypto_skcipher_type(type), |
601 | crypto_skcipher_mask(mask)); | |
32e3983f HX |
602 | } |
603 | ||
604 | static inline struct ablkcipher_tfm *crypto_ablkcipher_crt( | |
605 | struct crypto_ablkcipher *tfm) | |
606 | { | |
607 | return &crypto_ablkcipher_tfm(tfm)->crt_ablkcipher; | |
608 | } | |
609 | ||
610 | static inline unsigned int crypto_ablkcipher_ivsize( | |
611 | struct crypto_ablkcipher *tfm) | |
612 | { | |
613 | return crypto_ablkcipher_crt(tfm)->ivsize; | |
614 | } | |
615 | ||
616 | static inline unsigned int crypto_ablkcipher_blocksize( | |
617 | struct crypto_ablkcipher *tfm) | |
618 | { | |
619 | return crypto_tfm_alg_blocksize(crypto_ablkcipher_tfm(tfm)); | |
620 | } | |
621 | ||
622 | static inline unsigned int crypto_ablkcipher_alignmask( | |
623 | struct crypto_ablkcipher *tfm) | |
624 | { | |
625 | return crypto_tfm_alg_alignmask(crypto_ablkcipher_tfm(tfm)); | |
626 | } | |
627 | ||
628 | static inline u32 crypto_ablkcipher_get_flags(struct crypto_ablkcipher *tfm) | |
629 | { | |
630 | return crypto_tfm_get_flags(crypto_ablkcipher_tfm(tfm)); | |
631 | } | |
632 | ||
633 | static inline void crypto_ablkcipher_set_flags(struct crypto_ablkcipher *tfm, | |
634 | u32 flags) | |
635 | { | |
636 | crypto_tfm_set_flags(crypto_ablkcipher_tfm(tfm), flags); | |
637 | } | |
638 | ||
639 | static inline void crypto_ablkcipher_clear_flags(struct crypto_ablkcipher *tfm, | |
640 | u32 flags) | |
641 | { | |
642 | crypto_tfm_clear_flags(crypto_ablkcipher_tfm(tfm), flags); | |
643 | } | |
644 | ||
645 | static inline int crypto_ablkcipher_setkey(struct crypto_ablkcipher *tfm, | |
646 | const u8 *key, unsigned int keylen) | |
647 | { | |
ecfc4329 HX |
648 | struct ablkcipher_tfm *crt = crypto_ablkcipher_crt(tfm); |
649 | ||
650 | return crt->setkey(crt->base, key, keylen); | |
32e3983f HX |
651 | } |
652 | ||
653 | static inline struct crypto_ablkcipher *crypto_ablkcipher_reqtfm( | |
654 | struct ablkcipher_request *req) | |
655 | { | |
656 | return __crypto_ablkcipher_cast(req->base.tfm); | |
657 | } | |
658 | ||
659 | static inline int crypto_ablkcipher_encrypt(struct ablkcipher_request *req) | |
660 | { | |
661 | struct ablkcipher_tfm *crt = | |
662 | crypto_ablkcipher_crt(crypto_ablkcipher_reqtfm(req)); | |
663 | return crt->encrypt(req); | |
664 | } | |
665 | ||
666 | static inline int crypto_ablkcipher_decrypt(struct ablkcipher_request *req) | |
667 | { | |
668 | struct ablkcipher_tfm *crt = | |
669 | crypto_ablkcipher_crt(crypto_ablkcipher_reqtfm(req)); | |
670 | return crt->decrypt(req); | |
671 | } | |
672 | ||
b16c3a2e HX |
673 | static inline unsigned int crypto_ablkcipher_reqsize( |
674 | struct crypto_ablkcipher *tfm) | |
32e3983f HX |
675 | { |
676 | return crypto_ablkcipher_crt(tfm)->reqsize; | |
677 | } | |
678 | ||
e196d625 HX |
679 | static inline void ablkcipher_request_set_tfm( |
680 | struct ablkcipher_request *req, struct crypto_ablkcipher *tfm) | |
681 | { | |
ecfc4329 | 682 | req->base.tfm = crypto_ablkcipher_tfm(crypto_ablkcipher_crt(tfm)->base); |
e196d625 HX |
683 | } |
684 | ||
b5b7f088 HX |
685 | static inline struct ablkcipher_request *ablkcipher_request_cast( |
686 | struct crypto_async_request *req) | |
687 | { | |
688 | return container_of(req, struct ablkcipher_request, base); | |
689 | } | |
690 | ||
32e3983f HX |
691 | static inline struct ablkcipher_request *ablkcipher_request_alloc( |
692 | struct crypto_ablkcipher *tfm, gfp_t gfp) | |
693 | { | |
694 | struct ablkcipher_request *req; | |
695 | ||
696 | req = kmalloc(sizeof(struct ablkcipher_request) + | |
697 | crypto_ablkcipher_reqsize(tfm), gfp); | |
698 | ||
699 | if (likely(req)) | |
e196d625 | 700 | ablkcipher_request_set_tfm(req, tfm); |
32e3983f HX |
701 | |
702 | return req; | |
703 | } | |
704 | ||
705 | static inline void ablkcipher_request_free(struct ablkcipher_request *req) | |
706 | { | |
aef73cfc | 707 | kzfree(req); |
32e3983f HX |
708 | } |
709 | ||
710 | static inline void ablkcipher_request_set_callback( | |
711 | struct ablkcipher_request *req, | |
712 | u32 flags, crypto_completion_t complete, void *data) | |
713 | { | |
714 | req->base.complete = complete; | |
715 | req->base.data = data; | |
716 | req->base.flags = flags; | |
717 | } | |
718 | ||
719 | static inline void ablkcipher_request_set_crypt( | |
720 | struct ablkcipher_request *req, | |
721 | struct scatterlist *src, struct scatterlist *dst, | |
722 | unsigned int nbytes, void *iv) | |
723 | { | |
724 | req->src = src; | |
725 | req->dst = dst; | |
726 | req->nbytes = nbytes; | |
727 | req->info = iv; | |
728 | } | |
729 | ||
1ae97820 HX |
730 | static inline struct crypto_aead *__crypto_aead_cast(struct crypto_tfm *tfm) |
731 | { | |
732 | return (struct crypto_aead *)tfm; | |
733 | } | |
734 | ||
d29ce988 | 735 | struct crypto_aead *crypto_alloc_aead(const char *alg_name, u32 type, u32 mask); |
1ae97820 HX |
736 | |
737 | static inline struct crypto_tfm *crypto_aead_tfm(struct crypto_aead *tfm) | |
738 | { | |
739 | return &tfm->base; | |
740 | } | |
741 | ||
742 | static inline void crypto_free_aead(struct crypto_aead *tfm) | |
743 | { | |
744 | crypto_free_tfm(crypto_aead_tfm(tfm)); | |
745 | } | |
746 | ||
747 | static inline struct aead_tfm *crypto_aead_crt(struct crypto_aead *tfm) | |
748 | { | |
749 | return &crypto_aead_tfm(tfm)->crt_aead; | |
750 | } | |
751 | ||
752 | static inline unsigned int crypto_aead_ivsize(struct crypto_aead *tfm) | |
753 | { | |
754 | return crypto_aead_crt(tfm)->ivsize; | |
755 | } | |
756 | ||
757 | static inline unsigned int crypto_aead_authsize(struct crypto_aead *tfm) | |
758 | { | |
759 | return crypto_aead_crt(tfm)->authsize; | |
760 | } | |
761 | ||
762 | static inline unsigned int crypto_aead_blocksize(struct crypto_aead *tfm) | |
763 | { | |
764 | return crypto_tfm_alg_blocksize(crypto_aead_tfm(tfm)); | |
765 | } | |
766 | ||
767 | static inline unsigned int crypto_aead_alignmask(struct crypto_aead *tfm) | |
768 | { | |
769 | return crypto_tfm_alg_alignmask(crypto_aead_tfm(tfm)); | |
770 | } | |
771 | ||
772 | static inline u32 crypto_aead_get_flags(struct crypto_aead *tfm) | |
773 | { | |
774 | return crypto_tfm_get_flags(crypto_aead_tfm(tfm)); | |
775 | } | |
776 | ||
777 | static inline void crypto_aead_set_flags(struct crypto_aead *tfm, u32 flags) | |
778 | { | |
779 | crypto_tfm_set_flags(crypto_aead_tfm(tfm), flags); | |
780 | } | |
781 | ||
782 | static inline void crypto_aead_clear_flags(struct crypto_aead *tfm, u32 flags) | |
783 | { | |
784 | crypto_tfm_clear_flags(crypto_aead_tfm(tfm), flags); | |
785 | } | |
786 | ||
787 | static inline int crypto_aead_setkey(struct crypto_aead *tfm, const u8 *key, | |
788 | unsigned int keylen) | |
789 | { | |
5b6d2d7f HX |
790 | struct aead_tfm *crt = crypto_aead_crt(tfm); |
791 | ||
792 | return crt->setkey(crt->base, key, keylen); | |
1ae97820 HX |
793 | } |
794 | ||
7ba683a6 HX |
795 | int crypto_aead_setauthsize(struct crypto_aead *tfm, unsigned int authsize); |
796 | ||
1ae97820 HX |
797 | static inline struct crypto_aead *crypto_aead_reqtfm(struct aead_request *req) |
798 | { | |
799 | return __crypto_aead_cast(req->base.tfm); | |
800 | } | |
801 | ||
802 | static inline int crypto_aead_encrypt(struct aead_request *req) | |
803 | { | |
804 | return crypto_aead_crt(crypto_aead_reqtfm(req))->encrypt(req); | |
805 | } | |
806 | ||
807 | static inline int crypto_aead_decrypt(struct aead_request *req) | |
808 | { | |
809 | return crypto_aead_crt(crypto_aead_reqtfm(req))->decrypt(req); | |
810 | } | |
811 | ||
b16c3a2e | 812 | static inline unsigned int crypto_aead_reqsize(struct crypto_aead *tfm) |
1ae97820 HX |
813 | { |
814 | return crypto_aead_crt(tfm)->reqsize; | |
815 | } | |
816 | ||
817 | static inline void aead_request_set_tfm(struct aead_request *req, | |
818 | struct crypto_aead *tfm) | |
819 | { | |
5b6d2d7f | 820 | req->base.tfm = crypto_aead_tfm(crypto_aead_crt(tfm)->base); |
1ae97820 HX |
821 | } |
822 | ||
823 | static inline struct aead_request *aead_request_alloc(struct crypto_aead *tfm, | |
824 | gfp_t gfp) | |
825 | { | |
826 | struct aead_request *req; | |
827 | ||
828 | req = kmalloc(sizeof(*req) + crypto_aead_reqsize(tfm), gfp); | |
829 | ||
830 | if (likely(req)) | |
831 | aead_request_set_tfm(req, tfm); | |
832 | ||
833 | return req; | |
834 | } | |
835 | ||
836 | static inline void aead_request_free(struct aead_request *req) | |
837 | { | |
aef73cfc | 838 | kzfree(req); |
1ae97820 HX |
839 | } |
840 | ||
841 | static inline void aead_request_set_callback(struct aead_request *req, | |
842 | u32 flags, | |
843 | crypto_completion_t complete, | |
844 | void *data) | |
845 | { | |
846 | req->base.complete = complete; | |
847 | req->base.data = data; | |
848 | req->base.flags = flags; | |
849 | } | |
850 | ||
851 | static inline void aead_request_set_crypt(struct aead_request *req, | |
852 | struct scatterlist *src, | |
853 | struct scatterlist *dst, | |
854 | unsigned int cryptlen, u8 *iv) | |
855 | { | |
856 | req->src = src; | |
857 | req->dst = dst; | |
858 | req->cryptlen = cryptlen; | |
859 | req->iv = iv; | |
860 | } | |
861 | ||
862 | static inline void aead_request_set_assoc(struct aead_request *req, | |
863 | struct scatterlist *assoc, | |
864 | unsigned int assoclen) | |
865 | { | |
866 | req->assoc = assoc; | |
867 | req->assoclen = assoclen; | |
868 | } | |
869 | ||
5cde0af2 HX |
870 | static inline struct crypto_blkcipher *__crypto_blkcipher_cast( |
871 | struct crypto_tfm *tfm) | |
872 | { | |
873 | return (struct crypto_blkcipher *)tfm; | |
874 | } | |
875 | ||
876 | static inline struct crypto_blkcipher *crypto_blkcipher_cast( | |
877 | struct crypto_tfm *tfm) | |
878 | { | |
879 | BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_BLKCIPHER); | |
880 | return __crypto_blkcipher_cast(tfm); | |
881 | } | |
882 | ||
883 | static inline struct crypto_blkcipher *crypto_alloc_blkcipher( | |
884 | const char *alg_name, u32 type, u32 mask) | |
885 | { | |
332f8840 | 886 | type &= ~CRYPTO_ALG_TYPE_MASK; |
5cde0af2 | 887 | type |= CRYPTO_ALG_TYPE_BLKCIPHER; |
332f8840 | 888 | mask |= CRYPTO_ALG_TYPE_MASK; |
5cde0af2 HX |
889 | |
890 | return __crypto_blkcipher_cast(crypto_alloc_base(alg_name, type, mask)); | |
891 | } | |
892 | ||
893 | static inline struct crypto_tfm *crypto_blkcipher_tfm( | |
894 | struct crypto_blkcipher *tfm) | |
895 | { | |
896 | return &tfm->base; | |
897 | } | |
898 | ||
899 | static inline void crypto_free_blkcipher(struct crypto_blkcipher *tfm) | |
900 | { | |
901 | crypto_free_tfm(crypto_blkcipher_tfm(tfm)); | |
902 | } | |
903 | ||
fce32d70 HX |
904 | static inline int crypto_has_blkcipher(const char *alg_name, u32 type, u32 mask) |
905 | { | |
332f8840 | 906 | type &= ~CRYPTO_ALG_TYPE_MASK; |
fce32d70 | 907 | type |= CRYPTO_ALG_TYPE_BLKCIPHER; |
332f8840 | 908 | mask |= CRYPTO_ALG_TYPE_MASK; |
fce32d70 HX |
909 | |
910 | return crypto_has_alg(alg_name, type, mask); | |
911 | } | |
912 | ||
5cde0af2 HX |
913 | static inline const char *crypto_blkcipher_name(struct crypto_blkcipher *tfm) |
914 | { | |
915 | return crypto_tfm_alg_name(crypto_blkcipher_tfm(tfm)); | |
916 | } | |
917 | ||
918 | static inline struct blkcipher_tfm *crypto_blkcipher_crt( | |
919 | struct crypto_blkcipher *tfm) | |
920 | { | |
921 | return &crypto_blkcipher_tfm(tfm)->crt_blkcipher; | |
922 | } | |
923 | ||
924 | static inline struct blkcipher_alg *crypto_blkcipher_alg( | |
925 | struct crypto_blkcipher *tfm) | |
926 | { | |
927 | return &crypto_blkcipher_tfm(tfm)->__crt_alg->cra_blkcipher; | |
928 | } | |
929 | ||
930 | static inline unsigned int crypto_blkcipher_ivsize(struct crypto_blkcipher *tfm) | |
931 | { | |
932 | return crypto_blkcipher_alg(tfm)->ivsize; | |
933 | } | |
934 | ||
935 | static inline unsigned int crypto_blkcipher_blocksize( | |
936 | struct crypto_blkcipher *tfm) | |
937 | { | |
938 | return crypto_tfm_alg_blocksize(crypto_blkcipher_tfm(tfm)); | |
939 | } | |
940 | ||
941 | static inline unsigned int crypto_blkcipher_alignmask( | |
942 | struct crypto_blkcipher *tfm) | |
943 | { | |
944 | return crypto_tfm_alg_alignmask(crypto_blkcipher_tfm(tfm)); | |
945 | } | |
946 | ||
947 | static inline u32 crypto_blkcipher_get_flags(struct crypto_blkcipher *tfm) | |
948 | { | |
949 | return crypto_tfm_get_flags(crypto_blkcipher_tfm(tfm)); | |
950 | } | |
951 | ||
952 | static inline void crypto_blkcipher_set_flags(struct crypto_blkcipher *tfm, | |
953 | u32 flags) | |
954 | { | |
955 | crypto_tfm_set_flags(crypto_blkcipher_tfm(tfm), flags); | |
956 | } | |
957 | ||
958 | static inline void crypto_blkcipher_clear_flags(struct crypto_blkcipher *tfm, | |
959 | u32 flags) | |
960 | { | |
961 | crypto_tfm_clear_flags(crypto_blkcipher_tfm(tfm), flags); | |
962 | } | |
963 | ||
964 | static inline int crypto_blkcipher_setkey(struct crypto_blkcipher *tfm, | |
965 | const u8 *key, unsigned int keylen) | |
966 | { | |
967 | return crypto_blkcipher_crt(tfm)->setkey(crypto_blkcipher_tfm(tfm), | |
968 | key, keylen); | |
969 | } | |
970 | ||
971 | static inline int crypto_blkcipher_encrypt(struct blkcipher_desc *desc, | |
972 | struct scatterlist *dst, | |
973 | struct scatterlist *src, | |
974 | unsigned int nbytes) | |
975 | { | |
976 | desc->info = crypto_blkcipher_crt(desc->tfm)->iv; | |
977 | return crypto_blkcipher_crt(desc->tfm)->encrypt(desc, dst, src, nbytes); | |
978 | } | |
979 | ||
980 | static inline int crypto_blkcipher_encrypt_iv(struct blkcipher_desc *desc, | |
981 | struct scatterlist *dst, | |
982 | struct scatterlist *src, | |
983 | unsigned int nbytes) | |
984 | { | |
985 | return crypto_blkcipher_crt(desc->tfm)->encrypt(desc, dst, src, nbytes); | |
986 | } | |
987 | ||
988 | static inline int crypto_blkcipher_decrypt(struct blkcipher_desc *desc, | |
989 | struct scatterlist *dst, | |
990 | struct scatterlist *src, | |
991 | unsigned int nbytes) | |
992 | { | |
993 | desc->info = crypto_blkcipher_crt(desc->tfm)->iv; | |
994 | return crypto_blkcipher_crt(desc->tfm)->decrypt(desc, dst, src, nbytes); | |
995 | } | |
996 | ||
997 | static inline int crypto_blkcipher_decrypt_iv(struct blkcipher_desc *desc, | |
998 | struct scatterlist *dst, | |
999 | struct scatterlist *src, | |
1000 | unsigned int nbytes) | |
1001 | { | |
1002 | return crypto_blkcipher_crt(desc->tfm)->decrypt(desc, dst, src, nbytes); | |
1003 | } | |
1004 | ||
1005 | static inline void crypto_blkcipher_set_iv(struct crypto_blkcipher *tfm, | |
1006 | const u8 *src, unsigned int len) | |
1007 | { | |
1008 | memcpy(crypto_blkcipher_crt(tfm)->iv, src, len); | |
1009 | } | |
1010 | ||
1011 | static inline void crypto_blkcipher_get_iv(struct crypto_blkcipher *tfm, | |
1012 | u8 *dst, unsigned int len) | |
1013 | { | |
1014 | memcpy(dst, crypto_blkcipher_crt(tfm)->iv, len); | |
1015 | } | |
1016 | ||
f28776a3 HX |
1017 | static inline struct crypto_cipher *__crypto_cipher_cast(struct crypto_tfm *tfm) |
1018 | { | |
1019 | return (struct crypto_cipher *)tfm; | |
1020 | } | |
1021 | ||
1022 | static inline struct crypto_cipher *crypto_cipher_cast(struct crypto_tfm *tfm) | |
1023 | { | |
1024 | BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_CIPHER); | |
1025 | return __crypto_cipher_cast(tfm); | |
1026 | } | |
1027 | ||
1028 | static inline struct crypto_cipher *crypto_alloc_cipher(const char *alg_name, | |
1029 | u32 type, u32 mask) | |
1030 | { | |
1031 | type &= ~CRYPTO_ALG_TYPE_MASK; | |
1032 | type |= CRYPTO_ALG_TYPE_CIPHER; | |
1033 | mask |= CRYPTO_ALG_TYPE_MASK; | |
1034 | ||
1035 | return __crypto_cipher_cast(crypto_alloc_base(alg_name, type, mask)); | |
1036 | } | |
1037 | ||
1038 | static inline struct crypto_tfm *crypto_cipher_tfm(struct crypto_cipher *tfm) | |
1039 | { | |
78a1fe4f | 1040 | return &tfm->base; |
f28776a3 HX |
1041 | } |
1042 | ||
1043 | static inline void crypto_free_cipher(struct crypto_cipher *tfm) | |
1044 | { | |
1045 | crypto_free_tfm(crypto_cipher_tfm(tfm)); | |
1046 | } | |
1047 | ||
fce32d70 HX |
1048 | static inline int crypto_has_cipher(const char *alg_name, u32 type, u32 mask) |
1049 | { | |
1050 | type &= ~CRYPTO_ALG_TYPE_MASK; | |
1051 | type |= CRYPTO_ALG_TYPE_CIPHER; | |
1052 | mask |= CRYPTO_ALG_TYPE_MASK; | |
1053 | ||
1054 | return crypto_has_alg(alg_name, type, mask); | |
1055 | } | |
1056 | ||
f28776a3 HX |
1057 | static inline struct cipher_tfm *crypto_cipher_crt(struct crypto_cipher *tfm) |
1058 | { | |
1059 | return &crypto_cipher_tfm(tfm)->crt_cipher; | |
1060 | } | |
1061 | ||
1062 | static inline unsigned int crypto_cipher_blocksize(struct crypto_cipher *tfm) | |
1063 | { | |
1064 | return crypto_tfm_alg_blocksize(crypto_cipher_tfm(tfm)); | |
1065 | } | |
1066 | ||
1067 | static inline unsigned int crypto_cipher_alignmask(struct crypto_cipher *tfm) | |
1068 | { | |
1069 | return crypto_tfm_alg_alignmask(crypto_cipher_tfm(tfm)); | |
1070 | } | |
1071 | ||
1072 | static inline u32 crypto_cipher_get_flags(struct crypto_cipher *tfm) | |
1073 | { | |
1074 | return crypto_tfm_get_flags(crypto_cipher_tfm(tfm)); | |
1075 | } | |
1076 | ||
1077 | static inline void crypto_cipher_set_flags(struct crypto_cipher *tfm, | |
1078 | u32 flags) | |
1079 | { | |
1080 | crypto_tfm_set_flags(crypto_cipher_tfm(tfm), flags); | |
1081 | } | |
1082 | ||
1083 | static inline void crypto_cipher_clear_flags(struct crypto_cipher *tfm, | |
1084 | u32 flags) | |
1085 | { | |
1086 | crypto_tfm_clear_flags(crypto_cipher_tfm(tfm), flags); | |
1087 | } | |
1088 | ||
7226bc87 HX |
1089 | static inline int crypto_cipher_setkey(struct crypto_cipher *tfm, |
1090 | const u8 *key, unsigned int keylen) | |
1091 | { | |
1092 | return crypto_cipher_crt(tfm)->cit_setkey(crypto_cipher_tfm(tfm), | |
1093 | key, keylen); | |
1094 | } | |
1095 | ||
f28776a3 HX |
1096 | static inline void crypto_cipher_encrypt_one(struct crypto_cipher *tfm, |
1097 | u8 *dst, const u8 *src) | |
1098 | { | |
1099 | crypto_cipher_crt(tfm)->cit_encrypt_one(crypto_cipher_tfm(tfm), | |
1100 | dst, src); | |
1101 | } | |
1102 | ||
1103 | static inline void crypto_cipher_decrypt_one(struct crypto_cipher *tfm, | |
1104 | u8 *dst, const u8 *src) | |
1105 | { | |
1106 | crypto_cipher_crt(tfm)->cit_decrypt_one(crypto_cipher_tfm(tfm), | |
1107 | dst, src); | |
1108 | } | |
1109 | ||
055bcee3 | 1110 | static inline struct crypto_hash *__crypto_hash_cast(struct crypto_tfm *tfm) |
1da177e4 | 1111 | { |
055bcee3 | 1112 | return (struct crypto_hash *)tfm; |
1da177e4 LT |
1113 | } |
1114 | ||
055bcee3 | 1115 | static inline struct crypto_hash *crypto_hash_cast(struct crypto_tfm *tfm) |
1da177e4 | 1116 | { |
055bcee3 HX |
1117 | BUG_ON((crypto_tfm_alg_type(tfm) ^ CRYPTO_ALG_TYPE_HASH) & |
1118 | CRYPTO_ALG_TYPE_HASH_MASK); | |
1119 | return __crypto_hash_cast(tfm); | |
1da177e4 LT |
1120 | } |
1121 | ||
055bcee3 HX |
1122 | static inline struct crypto_hash *crypto_alloc_hash(const char *alg_name, |
1123 | u32 type, u32 mask) | |
1da177e4 | 1124 | { |
055bcee3 | 1125 | type &= ~CRYPTO_ALG_TYPE_MASK; |
551a09a7 | 1126 | mask &= ~CRYPTO_ALG_TYPE_MASK; |
055bcee3 HX |
1127 | type |= CRYPTO_ALG_TYPE_HASH; |
1128 | mask |= CRYPTO_ALG_TYPE_HASH_MASK; | |
1129 | ||
1130 | return __crypto_hash_cast(crypto_alloc_base(alg_name, type, mask)); | |
1da177e4 LT |
1131 | } |
1132 | ||
055bcee3 | 1133 | static inline struct crypto_tfm *crypto_hash_tfm(struct crypto_hash *tfm) |
1da177e4 | 1134 | { |
055bcee3 HX |
1135 | return &tfm->base; |
1136 | } | |
1137 | ||
1138 | static inline void crypto_free_hash(struct crypto_hash *tfm) | |
1139 | { | |
1140 | crypto_free_tfm(crypto_hash_tfm(tfm)); | |
1141 | } | |
1142 | ||
fce32d70 HX |
1143 | static inline int crypto_has_hash(const char *alg_name, u32 type, u32 mask) |
1144 | { | |
1145 | type &= ~CRYPTO_ALG_TYPE_MASK; | |
551a09a7 | 1146 | mask &= ~CRYPTO_ALG_TYPE_MASK; |
fce32d70 HX |
1147 | type |= CRYPTO_ALG_TYPE_HASH; |
1148 | mask |= CRYPTO_ALG_TYPE_HASH_MASK; | |
1149 | ||
1150 | return crypto_has_alg(alg_name, type, mask); | |
1151 | } | |
1152 | ||
055bcee3 HX |
1153 | static inline struct hash_tfm *crypto_hash_crt(struct crypto_hash *tfm) |
1154 | { | |
1155 | return &crypto_hash_tfm(tfm)->crt_hash; | |
1156 | } | |
1157 | ||
1158 | static inline unsigned int crypto_hash_blocksize(struct crypto_hash *tfm) | |
1159 | { | |
1160 | return crypto_tfm_alg_blocksize(crypto_hash_tfm(tfm)); | |
1161 | } | |
1162 | ||
1163 | static inline unsigned int crypto_hash_alignmask(struct crypto_hash *tfm) | |
1164 | { | |
1165 | return crypto_tfm_alg_alignmask(crypto_hash_tfm(tfm)); | |
1166 | } | |
1167 | ||
1168 | static inline unsigned int crypto_hash_digestsize(struct crypto_hash *tfm) | |
1169 | { | |
1170 | return crypto_hash_crt(tfm)->digestsize; | |
1171 | } | |
1172 | ||
1173 | static inline u32 crypto_hash_get_flags(struct crypto_hash *tfm) | |
1174 | { | |
1175 | return crypto_tfm_get_flags(crypto_hash_tfm(tfm)); | |
1176 | } | |
1177 | ||
1178 | static inline void crypto_hash_set_flags(struct crypto_hash *tfm, u32 flags) | |
1179 | { | |
1180 | crypto_tfm_set_flags(crypto_hash_tfm(tfm), flags); | |
1181 | } | |
1182 | ||
1183 | static inline void crypto_hash_clear_flags(struct crypto_hash *tfm, u32 flags) | |
1184 | { | |
1185 | crypto_tfm_clear_flags(crypto_hash_tfm(tfm), flags); | |
1186 | } | |
1187 | ||
1188 | static inline int crypto_hash_init(struct hash_desc *desc) | |
1189 | { | |
1190 | return crypto_hash_crt(desc->tfm)->init(desc); | |
1191 | } | |
1192 | ||
1193 | static inline int crypto_hash_update(struct hash_desc *desc, | |
1194 | struct scatterlist *sg, | |
1195 | unsigned int nbytes) | |
1196 | { | |
1197 | return crypto_hash_crt(desc->tfm)->update(desc, sg, nbytes); | |
1198 | } | |
1199 | ||
1200 | static inline int crypto_hash_final(struct hash_desc *desc, u8 *out) | |
1201 | { | |
1202 | return crypto_hash_crt(desc->tfm)->final(desc, out); | |
1203 | } | |
1204 | ||
1205 | static inline int crypto_hash_digest(struct hash_desc *desc, | |
1206 | struct scatterlist *sg, | |
1207 | unsigned int nbytes, u8 *out) | |
1208 | { | |
1209 | return crypto_hash_crt(desc->tfm)->digest(desc, sg, nbytes, out); | |
1210 | } | |
1211 | ||
1212 | static inline int crypto_hash_setkey(struct crypto_hash *hash, | |
1213 | const u8 *key, unsigned int keylen) | |
1214 | { | |
1215 | return crypto_hash_crt(hash)->setkey(hash, key, keylen); | |
1da177e4 LT |
1216 | } |
1217 | ||
fce32d70 HX |
1218 | static inline struct crypto_comp *__crypto_comp_cast(struct crypto_tfm *tfm) |
1219 | { | |
1220 | return (struct crypto_comp *)tfm; | |
1221 | } | |
1222 | ||
1223 | static inline struct crypto_comp *crypto_comp_cast(struct crypto_tfm *tfm) | |
1224 | { | |
1225 | BUG_ON((crypto_tfm_alg_type(tfm) ^ CRYPTO_ALG_TYPE_COMPRESS) & | |
1226 | CRYPTO_ALG_TYPE_MASK); | |
1227 | return __crypto_comp_cast(tfm); | |
1228 | } | |
1229 | ||
1230 | static inline struct crypto_comp *crypto_alloc_comp(const char *alg_name, | |
1231 | u32 type, u32 mask) | |
1232 | { | |
1233 | type &= ~CRYPTO_ALG_TYPE_MASK; | |
1234 | type |= CRYPTO_ALG_TYPE_COMPRESS; | |
1235 | mask |= CRYPTO_ALG_TYPE_MASK; | |
1236 | ||
1237 | return __crypto_comp_cast(crypto_alloc_base(alg_name, type, mask)); | |
1238 | } | |
1239 | ||
1240 | static inline struct crypto_tfm *crypto_comp_tfm(struct crypto_comp *tfm) | |
1241 | { | |
78a1fe4f | 1242 | return &tfm->base; |
fce32d70 HX |
1243 | } |
1244 | ||
1245 | static inline void crypto_free_comp(struct crypto_comp *tfm) | |
1246 | { | |
1247 | crypto_free_tfm(crypto_comp_tfm(tfm)); | |
1248 | } | |
1249 | ||
1250 | static inline int crypto_has_comp(const char *alg_name, u32 type, u32 mask) | |
1251 | { | |
1252 | type &= ~CRYPTO_ALG_TYPE_MASK; | |
1253 | type |= CRYPTO_ALG_TYPE_COMPRESS; | |
1254 | mask |= CRYPTO_ALG_TYPE_MASK; | |
1255 | ||
1256 | return crypto_has_alg(alg_name, type, mask); | |
1257 | } | |
1258 | ||
e4d5b79c HX |
1259 | static inline const char *crypto_comp_name(struct crypto_comp *tfm) |
1260 | { | |
1261 | return crypto_tfm_alg_name(crypto_comp_tfm(tfm)); | |
1262 | } | |
1263 | ||
fce32d70 HX |
1264 | static inline struct compress_tfm *crypto_comp_crt(struct crypto_comp *tfm) |
1265 | { | |
1266 | return &crypto_comp_tfm(tfm)->crt_compress; | |
1267 | } | |
1268 | ||
1269 | static inline int crypto_comp_compress(struct crypto_comp *tfm, | |
1da177e4 LT |
1270 | const u8 *src, unsigned int slen, |
1271 | u8 *dst, unsigned int *dlen) | |
1272 | { | |
78a1fe4f HX |
1273 | return crypto_comp_crt(tfm)->cot_compress(crypto_comp_tfm(tfm), |
1274 | src, slen, dst, dlen); | |
1da177e4 LT |
1275 | } |
1276 | ||
fce32d70 | 1277 | static inline int crypto_comp_decompress(struct crypto_comp *tfm, |
1da177e4 LT |
1278 | const u8 *src, unsigned int slen, |
1279 | u8 *dst, unsigned int *dlen) | |
1280 | { | |
78a1fe4f HX |
1281 | return crypto_comp_crt(tfm)->cot_decompress(crypto_comp_tfm(tfm), |
1282 | src, slen, dst, dlen); | |
1da177e4 LT |
1283 | } |
1284 | ||
1da177e4 LT |
1285 | #endif /* _LINUX_CRYPTO_H */ |
1286 |