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> |
79911102 | 23 | #include <linux/slab.h> |
1da177e4 | 24 | #include <linux/string.h> |
79911102 | 25 | #include <linux/uaccess.h> |
1da177e4 LT |
26 | |
27 | /* | |
28 | * Algorithm masks and types. | |
29 | */ | |
2825982d | 30 | #define CRYPTO_ALG_TYPE_MASK 0x0000000f |
1da177e4 | 31 | #define CRYPTO_ALG_TYPE_CIPHER 0x00000001 |
004a403c LH |
32 | #define CRYPTO_ALG_TYPE_COMPRESS 0x00000002 |
33 | #define CRYPTO_ALG_TYPE_AEAD 0x00000003 | |
055bcee3 | 34 | #define CRYPTO_ALG_TYPE_BLKCIPHER 0x00000004 |
332f8840 | 35 | #define CRYPTO_ALG_TYPE_ABLKCIPHER 0x00000005 |
61da88e2 | 36 | #define CRYPTO_ALG_TYPE_GIVCIPHER 0x00000006 |
004a403c | 37 | #define CRYPTO_ALG_TYPE_DIGEST 0x00000008 |
5f7082ed HX |
38 | #define CRYPTO_ALG_TYPE_HASH 0x00000008 |
39 | #define CRYPTO_ALG_TYPE_SHASH 0x00000009 | |
004a403c | 40 | #define CRYPTO_ALG_TYPE_AHASH 0x0000000a |
17f0f4a4 | 41 | #define CRYPTO_ALG_TYPE_RNG 0x0000000c |
a1d2f095 | 42 | #define CRYPTO_ALG_TYPE_PCOMPRESS 0x0000000f |
055bcee3 HX |
43 | |
44 | #define CRYPTO_ALG_TYPE_HASH_MASK 0x0000000e | |
004a403c | 45 | #define CRYPTO_ALG_TYPE_AHASH_MASK 0x0000000c |
332f8840 | 46 | #define CRYPTO_ALG_TYPE_BLKCIPHER_MASK 0x0000000c |
1da177e4 | 47 | |
2825982d | 48 | #define CRYPTO_ALG_LARVAL 0x00000010 |
6bfd4809 HX |
49 | #define CRYPTO_ALG_DEAD 0x00000020 |
50 | #define CRYPTO_ALG_DYING 0x00000040 | |
f3f632d6 | 51 | #define CRYPTO_ALG_ASYNC 0x00000080 |
2825982d | 52 | |
6010439f HX |
53 | /* |
54 | * Set this bit if and only if the algorithm requires another algorithm of | |
55 | * the same type to handle corner cases. | |
56 | */ | |
57 | #define CRYPTO_ALG_NEED_FALLBACK 0x00000100 | |
58 | ||
ecfc4329 HX |
59 | /* |
60 | * This bit is set for symmetric key ciphers that have already been wrapped | |
61 | * with a generic IV generator to prevent them from being wrapped again. | |
62 | */ | |
63 | #define CRYPTO_ALG_GENIV 0x00000200 | |
64 | ||
73d3864a HX |
65 | /* |
66 | * Set if the algorithm has passed automated run-time testing. Note that | |
67 | * if there is no run-time testing for a given algorithm it is considered | |
68 | * to have passed. | |
69 | */ | |
70 | ||
71 | #define CRYPTO_ALG_TESTED 0x00000400 | |
72 | ||
64a947b1 SK |
73 | /* |
74 | * Set if the algorithm is an instance that is build from templates. | |
75 | */ | |
76 | #define CRYPTO_ALG_INSTANCE 0x00000800 | |
77 | ||
1da177e4 LT |
78 | /* |
79 | * Transform masks and values (for crt_flags). | |
80 | */ | |
1da177e4 LT |
81 | #define CRYPTO_TFM_REQ_MASK 0x000fff00 |
82 | #define CRYPTO_TFM_RES_MASK 0xfff00000 | |
83 | ||
1da177e4 | 84 | #define CRYPTO_TFM_REQ_WEAK_KEY 0x00000100 |
64baf3cf | 85 | #define CRYPTO_TFM_REQ_MAY_SLEEP 0x00000200 |
32e3983f | 86 | #define CRYPTO_TFM_REQ_MAY_BACKLOG 0x00000400 |
1da177e4 LT |
87 | #define CRYPTO_TFM_RES_WEAK_KEY 0x00100000 |
88 | #define CRYPTO_TFM_RES_BAD_KEY_LEN 0x00200000 | |
89 | #define CRYPTO_TFM_RES_BAD_KEY_SCHED 0x00400000 | |
90 | #define CRYPTO_TFM_RES_BAD_BLOCK_LEN 0x00800000 | |
91 | #define CRYPTO_TFM_RES_BAD_FLAGS 0x01000000 | |
92 | ||
93 | /* | |
94 | * Miscellaneous stuff. | |
95 | */ | |
1da177e4 LT |
96 | #define CRYPTO_MAX_ALG_NAME 64 |
97 | ||
79911102 HX |
98 | /* |
99 | * The macro CRYPTO_MINALIGN_ATTR (along with the void * type in the actual | |
100 | * declaration) is used to ensure that the crypto_tfm context structure is | |
101 | * aligned correctly for the given architecture so that there are no alignment | |
102 | * faults for C data types. In particular, this is required on platforms such | |
103 | * as arm where pointers are 32-bit aligned but there are data types such as | |
104 | * u64 which require 64-bit alignment. | |
105 | */ | |
79911102 | 106 | #define CRYPTO_MINALIGN ARCH_KMALLOC_MINALIGN |
79911102 | 107 | |
79911102 | 108 | #define CRYPTO_MINALIGN_ATTR __attribute__ ((__aligned__(CRYPTO_MINALIGN))) |
79911102 | 109 | |
1da177e4 | 110 | struct scatterlist; |
32e3983f HX |
111 | struct crypto_ablkcipher; |
112 | struct crypto_async_request; | |
1ae97820 | 113 | struct crypto_aead; |
5cde0af2 | 114 | struct crypto_blkcipher; |
055bcee3 | 115 | struct crypto_hash; |
17f0f4a4 | 116 | struct crypto_rng; |
40725181 | 117 | struct crypto_tfm; |
e853c3cf | 118 | struct crypto_type; |
743edf57 | 119 | struct aead_givcrypt_request; |
61da88e2 | 120 | struct skcipher_givcrypt_request; |
40725181 | 121 | |
32e3983f HX |
122 | typedef void (*crypto_completion_t)(struct crypto_async_request *req, int err); |
123 | ||
124 | struct crypto_async_request { | |
125 | struct list_head list; | |
126 | crypto_completion_t complete; | |
127 | void *data; | |
128 | struct crypto_tfm *tfm; | |
129 | ||
130 | u32 flags; | |
131 | }; | |
132 | ||
133 | struct ablkcipher_request { | |
134 | struct crypto_async_request base; | |
135 | ||
136 | unsigned int nbytes; | |
137 | ||
138 | void *info; | |
139 | ||
140 | struct scatterlist *src; | |
141 | struct scatterlist *dst; | |
142 | ||
143 | void *__ctx[] CRYPTO_MINALIGN_ATTR; | |
144 | }; | |
145 | ||
1ae97820 HX |
146 | /** |
147 | * struct aead_request - AEAD request | |
148 | * @base: Common attributes for async crypto requests | |
149 | * @assoclen: Length in bytes of associated data for authentication | |
150 | * @cryptlen: Length of data to be encrypted or decrypted | |
151 | * @iv: Initialisation vector | |
152 | * @assoc: Associated data | |
153 | * @src: Source data | |
154 | * @dst: Destination data | |
155 | * @__ctx: Start of private context data | |
156 | */ | |
157 | struct aead_request { | |
158 | struct crypto_async_request base; | |
159 | ||
160 | unsigned int assoclen; | |
161 | unsigned int cryptlen; | |
162 | ||
163 | u8 *iv; | |
164 | ||
165 | struct scatterlist *assoc; | |
166 | struct scatterlist *src; | |
167 | struct scatterlist *dst; | |
168 | ||
169 | void *__ctx[] CRYPTO_MINALIGN_ATTR; | |
170 | }; | |
171 | ||
5cde0af2 HX |
172 | struct blkcipher_desc { |
173 | struct crypto_blkcipher *tfm; | |
174 | void *info; | |
175 | u32 flags; | |
176 | }; | |
177 | ||
40725181 HX |
178 | struct cipher_desc { |
179 | struct crypto_tfm *tfm; | |
6c2bb98b | 180 | void (*crfn)(struct crypto_tfm *tfm, u8 *dst, const u8 *src); |
40725181 HX |
181 | unsigned int (*prfn)(const struct cipher_desc *desc, u8 *dst, |
182 | const u8 *src, unsigned int nbytes); | |
183 | void *info; | |
184 | }; | |
1da177e4 | 185 | |
055bcee3 HX |
186 | struct hash_desc { |
187 | struct crypto_hash *tfm; | |
188 | u32 flags; | |
189 | }; | |
190 | ||
1da177e4 LT |
191 | /* |
192 | * Algorithms: modular crypto algorithm implementations, managed | |
193 | * via crypto_register_alg() and crypto_unregister_alg(). | |
194 | */ | |
b5b7f088 HX |
195 | struct ablkcipher_alg { |
196 | int (*setkey)(struct crypto_ablkcipher *tfm, const u8 *key, | |
197 | unsigned int keylen); | |
198 | int (*encrypt)(struct ablkcipher_request *req); | |
199 | int (*decrypt)(struct ablkcipher_request *req); | |
61da88e2 HX |
200 | int (*givencrypt)(struct skcipher_givcrypt_request *req); |
201 | int (*givdecrypt)(struct skcipher_givcrypt_request *req); | |
b5b7f088 | 202 | |
23508e11 HX |
203 | const char *geniv; |
204 | ||
b5b7f088 HX |
205 | unsigned int min_keysize; |
206 | unsigned int max_keysize; | |
207 | unsigned int ivsize; | |
208 | }; | |
209 | ||
1ae97820 HX |
210 | struct aead_alg { |
211 | int (*setkey)(struct crypto_aead *tfm, const u8 *key, | |
212 | unsigned int keylen); | |
7ba683a6 | 213 | int (*setauthsize)(struct crypto_aead *tfm, unsigned int authsize); |
1ae97820 HX |
214 | int (*encrypt)(struct aead_request *req); |
215 | int (*decrypt)(struct aead_request *req); | |
743edf57 HX |
216 | int (*givencrypt)(struct aead_givcrypt_request *req); |
217 | int (*givdecrypt)(struct aead_givcrypt_request *req); | |
1ae97820 | 218 | |
5b6d2d7f HX |
219 | const char *geniv; |
220 | ||
1ae97820 | 221 | unsigned int ivsize; |
7ba683a6 | 222 | unsigned int maxauthsize; |
1ae97820 HX |
223 | }; |
224 | ||
5cde0af2 HX |
225 | struct blkcipher_alg { |
226 | int (*setkey)(struct crypto_tfm *tfm, const u8 *key, | |
227 | unsigned int keylen); | |
228 | int (*encrypt)(struct blkcipher_desc *desc, | |
229 | struct scatterlist *dst, struct scatterlist *src, | |
230 | unsigned int nbytes); | |
231 | int (*decrypt)(struct blkcipher_desc *desc, | |
232 | struct scatterlist *dst, struct scatterlist *src, | |
233 | unsigned int nbytes); | |
234 | ||
23508e11 HX |
235 | const char *geniv; |
236 | ||
5cde0af2 HX |
237 | unsigned int min_keysize; |
238 | unsigned int max_keysize; | |
239 | unsigned int ivsize; | |
240 | }; | |
241 | ||
1da177e4 LT |
242 | struct cipher_alg { |
243 | unsigned int cia_min_keysize; | |
244 | unsigned int cia_max_keysize; | |
6c2bb98b | 245 | int (*cia_setkey)(struct crypto_tfm *tfm, const u8 *key, |
560c06ae | 246 | unsigned int keylen); |
6c2bb98b HX |
247 | void (*cia_encrypt)(struct crypto_tfm *tfm, u8 *dst, const u8 *src); |
248 | void (*cia_decrypt)(struct crypto_tfm *tfm, u8 *dst, const u8 *src); | |
1da177e4 LT |
249 | }; |
250 | ||
1da177e4 | 251 | struct compress_alg { |
6c2bb98b HX |
252 | int (*coa_compress)(struct crypto_tfm *tfm, const u8 *src, |
253 | unsigned int slen, u8 *dst, unsigned int *dlen); | |
254 | int (*coa_decompress)(struct crypto_tfm *tfm, const u8 *src, | |
255 | unsigned int slen, u8 *dst, unsigned int *dlen); | |
1da177e4 LT |
256 | }; |
257 | ||
17f0f4a4 NH |
258 | struct rng_alg { |
259 | int (*rng_make_random)(struct crypto_rng *tfm, u8 *rdata, | |
260 | unsigned int dlen); | |
261 | int (*rng_reset)(struct crypto_rng *tfm, u8 *seed, unsigned int slen); | |
262 | ||
263 | unsigned int seedsize; | |
264 | }; | |
265 | ||
266 | ||
b5b7f088 | 267 | #define cra_ablkcipher cra_u.ablkcipher |
1ae97820 | 268 | #define cra_aead cra_u.aead |
5cde0af2 | 269 | #define cra_blkcipher cra_u.blkcipher |
1da177e4 | 270 | #define cra_cipher cra_u.cipher |
1da177e4 | 271 | #define cra_compress cra_u.compress |
17f0f4a4 | 272 | #define cra_rng cra_u.rng |
1da177e4 LT |
273 | |
274 | struct crypto_alg { | |
275 | struct list_head cra_list; | |
6bfd4809 HX |
276 | struct list_head cra_users; |
277 | ||
1da177e4 LT |
278 | u32 cra_flags; |
279 | unsigned int cra_blocksize; | |
280 | unsigned int cra_ctxsize; | |
95477377 | 281 | unsigned int cra_alignmask; |
5cb1454b HX |
282 | |
283 | int cra_priority; | |
6521f302 | 284 | atomic_t cra_refcnt; |
5cb1454b | 285 | |
d913ea0d HX |
286 | char cra_name[CRYPTO_MAX_ALG_NAME]; |
287 | char cra_driver_name[CRYPTO_MAX_ALG_NAME]; | |
1da177e4 | 288 | |
e853c3cf HX |
289 | const struct crypto_type *cra_type; |
290 | ||
1da177e4 | 291 | union { |
b5b7f088 | 292 | struct ablkcipher_alg ablkcipher; |
1ae97820 | 293 | struct aead_alg aead; |
5cde0af2 | 294 | struct blkcipher_alg blkcipher; |
1da177e4 | 295 | struct cipher_alg cipher; |
1da177e4 | 296 | struct compress_alg compress; |
17f0f4a4 | 297 | struct rng_alg rng; |
1da177e4 | 298 | } cra_u; |
c7fc0599 HX |
299 | |
300 | int (*cra_init)(struct crypto_tfm *tfm); | |
301 | void (*cra_exit)(struct crypto_tfm *tfm); | |
6521f302 | 302 | void (*cra_destroy)(struct crypto_alg *alg); |
1da177e4 LT |
303 | |
304 | struct module *cra_module; | |
305 | }; | |
306 | ||
307 | /* | |
308 | * Algorithm registration interface. | |
309 | */ | |
310 | int crypto_register_alg(struct crypto_alg *alg); | |
311 | int crypto_unregister_alg(struct crypto_alg *alg); | |
312 | ||
313 | /* | |
314 | * Algorithm query interface. | |
315 | */ | |
fce32d70 | 316 | int crypto_has_alg(const char *name, u32 type, u32 mask); |
1da177e4 LT |
317 | |
318 | /* | |
319 | * Transforms: user-instantiated objects which encapsulate algorithms | |
6d7d684d HX |
320 | * and core processing logic. Managed via crypto_alloc_*() and |
321 | * crypto_free_*(), as well as the various helpers below. | |
1da177e4 | 322 | */ |
1da177e4 | 323 | |
32e3983f HX |
324 | struct ablkcipher_tfm { |
325 | int (*setkey)(struct crypto_ablkcipher *tfm, const u8 *key, | |
326 | unsigned int keylen); | |
327 | int (*encrypt)(struct ablkcipher_request *req); | |
328 | int (*decrypt)(struct ablkcipher_request *req); | |
61da88e2 HX |
329 | int (*givencrypt)(struct skcipher_givcrypt_request *req); |
330 | int (*givdecrypt)(struct skcipher_givcrypt_request *req); | |
331 | ||
ecfc4329 HX |
332 | struct crypto_ablkcipher *base; |
333 | ||
32e3983f HX |
334 | unsigned int ivsize; |
335 | unsigned int reqsize; | |
336 | }; | |
337 | ||
1ae97820 HX |
338 | struct aead_tfm { |
339 | int (*setkey)(struct crypto_aead *tfm, const u8 *key, | |
340 | unsigned int keylen); | |
341 | int (*encrypt)(struct aead_request *req); | |
342 | int (*decrypt)(struct aead_request *req); | |
743edf57 HX |
343 | int (*givencrypt)(struct aead_givcrypt_request *req); |
344 | int (*givdecrypt)(struct aead_givcrypt_request *req); | |
5b6d2d7f HX |
345 | |
346 | struct crypto_aead *base; | |
347 | ||
1ae97820 HX |
348 | unsigned int ivsize; |
349 | unsigned int authsize; | |
350 | unsigned int reqsize; | |
351 | }; | |
352 | ||
5cde0af2 HX |
353 | struct blkcipher_tfm { |
354 | void *iv; | |
355 | int (*setkey)(struct crypto_tfm *tfm, const u8 *key, | |
356 | unsigned int keylen); | |
357 | int (*encrypt)(struct blkcipher_desc *desc, struct scatterlist *dst, | |
358 | struct scatterlist *src, unsigned int nbytes); | |
359 | int (*decrypt)(struct blkcipher_desc *desc, struct scatterlist *dst, | |
360 | struct scatterlist *src, unsigned int nbytes); | |
361 | }; | |
362 | ||
1da177e4 | 363 | struct cipher_tfm { |
1da177e4 LT |
364 | int (*cit_setkey)(struct crypto_tfm *tfm, |
365 | const u8 *key, unsigned int keylen); | |
f28776a3 HX |
366 | void (*cit_encrypt_one)(struct crypto_tfm *tfm, u8 *dst, const u8 *src); |
367 | void (*cit_decrypt_one)(struct crypto_tfm *tfm, u8 *dst, const u8 *src); | |
1da177e4 LT |
368 | }; |
369 | ||
055bcee3 HX |
370 | struct hash_tfm { |
371 | int (*init)(struct hash_desc *desc); | |
372 | int (*update)(struct hash_desc *desc, | |
373 | struct scatterlist *sg, unsigned int nsg); | |
374 | int (*final)(struct hash_desc *desc, u8 *out); | |
375 | int (*digest)(struct hash_desc *desc, struct scatterlist *sg, | |
376 | unsigned int nsg, u8 *out); | |
377 | int (*setkey)(struct crypto_hash *tfm, const u8 *key, | |
378 | unsigned int keylen); | |
055bcee3 | 379 | unsigned int digestsize; |
1da177e4 LT |
380 | }; |
381 | ||
382 | struct compress_tfm { | |
383 | int (*cot_compress)(struct crypto_tfm *tfm, | |
384 | const u8 *src, unsigned int slen, | |
385 | u8 *dst, unsigned int *dlen); | |
386 | int (*cot_decompress)(struct crypto_tfm *tfm, | |
387 | const u8 *src, unsigned int slen, | |
388 | u8 *dst, unsigned int *dlen); | |
389 | }; | |
390 | ||
17f0f4a4 NH |
391 | struct rng_tfm { |
392 | int (*rng_gen_random)(struct crypto_rng *tfm, u8 *rdata, | |
393 | unsigned int dlen); | |
394 | int (*rng_reset)(struct crypto_rng *tfm, u8 *seed, unsigned int slen); | |
395 | }; | |
396 | ||
32e3983f | 397 | #define crt_ablkcipher crt_u.ablkcipher |
1ae97820 | 398 | #define crt_aead crt_u.aead |
5cde0af2 | 399 | #define crt_blkcipher crt_u.blkcipher |
1da177e4 | 400 | #define crt_cipher crt_u.cipher |
055bcee3 | 401 | #define crt_hash crt_u.hash |
1da177e4 | 402 | #define crt_compress crt_u.compress |
17f0f4a4 | 403 | #define crt_rng crt_u.rng |
1da177e4 LT |
404 | |
405 | struct crypto_tfm { | |
406 | ||
407 | u32 crt_flags; | |
408 | ||
409 | union { | |
32e3983f | 410 | struct ablkcipher_tfm ablkcipher; |
1ae97820 | 411 | struct aead_tfm aead; |
5cde0af2 | 412 | struct blkcipher_tfm blkcipher; |
1da177e4 | 413 | struct cipher_tfm cipher; |
055bcee3 | 414 | struct hash_tfm hash; |
1da177e4 | 415 | struct compress_tfm compress; |
17f0f4a4 | 416 | struct rng_tfm rng; |
1da177e4 | 417 | } crt_u; |
4a779486 HX |
418 | |
419 | void (*exit)(struct crypto_tfm *tfm); | |
1da177e4 LT |
420 | |
421 | struct crypto_alg *__crt_alg; | |
f10b7897 | 422 | |
79911102 | 423 | void *__crt_ctx[] CRYPTO_MINALIGN_ATTR; |
1da177e4 LT |
424 | }; |
425 | ||
32e3983f HX |
426 | struct crypto_ablkcipher { |
427 | struct crypto_tfm base; | |
428 | }; | |
429 | ||
1ae97820 HX |
430 | struct crypto_aead { |
431 | struct crypto_tfm base; | |
432 | }; | |
433 | ||
5cde0af2 HX |
434 | struct crypto_blkcipher { |
435 | struct crypto_tfm base; | |
436 | }; | |
437 | ||
78a1fe4f HX |
438 | struct crypto_cipher { |
439 | struct crypto_tfm base; | |
440 | }; | |
441 | ||
442 | struct crypto_comp { | |
443 | struct crypto_tfm base; | |
444 | }; | |
445 | ||
055bcee3 HX |
446 | struct crypto_hash { |
447 | struct crypto_tfm base; | |
448 | }; | |
449 | ||
17f0f4a4 NH |
450 | struct crypto_rng { |
451 | struct crypto_tfm base; | |
452 | }; | |
453 | ||
2b8c19db HX |
454 | enum { |
455 | CRYPTOA_UNSPEC, | |
456 | CRYPTOA_ALG, | |
ebc610e5 | 457 | CRYPTOA_TYPE, |
39e1ee01 | 458 | CRYPTOA_U32, |
ebc610e5 | 459 | __CRYPTOA_MAX, |
2b8c19db HX |
460 | }; |
461 | ||
ebc610e5 HX |
462 | #define CRYPTOA_MAX (__CRYPTOA_MAX - 1) |
463 | ||
39e1ee01 HX |
464 | /* Maximum number of (rtattr) parameters for each template. */ |
465 | #define CRYPTO_MAX_ATTRS 32 | |
466 | ||
2b8c19db HX |
467 | struct crypto_attr_alg { |
468 | char name[CRYPTO_MAX_ALG_NAME]; | |
469 | }; | |
470 | ||
ebc610e5 HX |
471 | struct crypto_attr_type { |
472 | u32 type; | |
473 | u32 mask; | |
474 | }; | |
475 | ||
39e1ee01 HX |
476 | struct crypto_attr_u32 { |
477 | u32 num; | |
478 | }; | |
479 | ||
1da177e4 LT |
480 | /* |
481 | * Transform user interface. | |
482 | */ | |
483 | ||
6d7d684d | 484 | struct crypto_tfm *crypto_alloc_base(const char *alg_name, u32 type, u32 mask); |
7b2cd92a HX |
485 | void crypto_destroy_tfm(void *mem, struct crypto_tfm *tfm); |
486 | ||
487 | static inline void crypto_free_tfm(struct crypto_tfm *tfm) | |
488 | { | |
489 | return crypto_destroy_tfm(tfm, tfm); | |
490 | } | |
1da177e4 | 491 | |
da7f033d HX |
492 | int alg_test(const char *driver, const char *alg, u32 type, u32 mask); |
493 | ||
1da177e4 LT |
494 | /* |
495 | * Transform helpers which query the underlying algorithm. | |
496 | */ | |
497 | static inline const char *crypto_tfm_alg_name(struct crypto_tfm *tfm) | |
498 | { | |
499 | return tfm->__crt_alg->cra_name; | |
500 | } | |
501 | ||
b14cdd67 ML |
502 | static inline const char *crypto_tfm_alg_driver_name(struct crypto_tfm *tfm) |
503 | { | |
504 | return tfm->__crt_alg->cra_driver_name; | |
505 | } | |
506 | ||
507 | static inline int crypto_tfm_alg_priority(struct crypto_tfm *tfm) | |
508 | { | |
509 | return tfm->__crt_alg->cra_priority; | |
510 | } | |
511 | ||
1da177e4 LT |
512 | static inline u32 crypto_tfm_alg_type(struct crypto_tfm *tfm) |
513 | { | |
514 | return tfm->__crt_alg->cra_flags & CRYPTO_ALG_TYPE_MASK; | |
515 | } | |
516 | ||
1da177e4 LT |
517 | static inline unsigned int crypto_tfm_alg_blocksize(struct crypto_tfm *tfm) |
518 | { | |
519 | return tfm->__crt_alg->cra_blocksize; | |
520 | } | |
521 | ||
fbdae9f3 HX |
522 | static inline unsigned int crypto_tfm_alg_alignmask(struct crypto_tfm *tfm) |
523 | { | |
524 | return tfm->__crt_alg->cra_alignmask; | |
525 | } | |
526 | ||
f28776a3 HX |
527 | static inline u32 crypto_tfm_get_flags(struct crypto_tfm *tfm) |
528 | { | |
529 | return tfm->crt_flags; | |
530 | } | |
531 | ||
532 | static inline void crypto_tfm_set_flags(struct crypto_tfm *tfm, u32 flags) | |
533 | { | |
534 | tfm->crt_flags |= flags; | |
535 | } | |
536 | ||
537 | static inline void crypto_tfm_clear_flags(struct crypto_tfm *tfm, u32 flags) | |
538 | { | |
539 | tfm->crt_flags &= ~flags; | |
540 | } | |
541 | ||
40725181 HX |
542 | static inline void *crypto_tfm_ctx(struct crypto_tfm *tfm) |
543 | { | |
f10b7897 HX |
544 | return tfm->__crt_ctx; |
545 | } | |
546 | ||
547 | static inline unsigned int crypto_tfm_ctx_alignment(void) | |
548 | { | |
549 | struct crypto_tfm *tfm; | |
550 | return __alignof__(tfm->__crt_ctx); | |
40725181 HX |
551 | } |
552 | ||
1da177e4 LT |
553 | /* |
554 | * API wrappers. | |
555 | */ | |
32e3983f HX |
556 | static inline struct crypto_ablkcipher *__crypto_ablkcipher_cast( |
557 | struct crypto_tfm *tfm) | |
558 | { | |
559 | return (struct crypto_ablkcipher *)tfm; | |
560 | } | |
561 | ||
378f4f51 | 562 | static inline u32 crypto_skcipher_type(u32 type) |
32e3983f | 563 | { |
ecfc4329 | 564 | type &= ~(CRYPTO_ALG_TYPE_MASK | CRYPTO_ALG_GENIV); |
32e3983f | 565 | type |= CRYPTO_ALG_TYPE_BLKCIPHER; |
378f4f51 HX |
566 | return type; |
567 | } | |
568 | ||
569 | static inline u32 crypto_skcipher_mask(u32 mask) | |
570 | { | |
ecfc4329 | 571 | mask &= ~(CRYPTO_ALG_TYPE_MASK | CRYPTO_ALG_GENIV); |
332f8840 | 572 | mask |= CRYPTO_ALG_TYPE_BLKCIPHER_MASK; |
378f4f51 HX |
573 | return mask; |
574 | } | |
32e3983f | 575 | |
b9c55aa4 HX |
576 | struct crypto_ablkcipher *crypto_alloc_ablkcipher(const char *alg_name, |
577 | u32 type, u32 mask); | |
32e3983f HX |
578 | |
579 | static inline struct crypto_tfm *crypto_ablkcipher_tfm( | |
580 | struct crypto_ablkcipher *tfm) | |
581 | { | |
582 | return &tfm->base; | |
583 | } | |
584 | ||
585 | static inline void crypto_free_ablkcipher(struct crypto_ablkcipher *tfm) | |
586 | { | |
587 | crypto_free_tfm(crypto_ablkcipher_tfm(tfm)); | |
588 | } | |
589 | ||
590 | static inline int crypto_has_ablkcipher(const char *alg_name, u32 type, | |
591 | u32 mask) | |
592 | { | |
378f4f51 HX |
593 | return crypto_has_alg(alg_name, crypto_skcipher_type(type), |
594 | crypto_skcipher_mask(mask)); | |
32e3983f HX |
595 | } |
596 | ||
597 | static inline struct ablkcipher_tfm *crypto_ablkcipher_crt( | |
598 | struct crypto_ablkcipher *tfm) | |
599 | { | |
600 | return &crypto_ablkcipher_tfm(tfm)->crt_ablkcipher; | |
601 | } | |
602 | ||
603 | static inline unsigned int crypto_ablkcipher_ivsize( | |
604 | struct crypto_ablkcipher *tfm) | |
605 | { | |
606 | return crypto_ablkcipher_crt(tfm)->ivsize; | |
607 | } | |
608 | ||
609 | static inline unsigned int crypto_ablkcipher_blocksize( | |
610 | struct crypto_ablkcipher *tfm) | |
611 | { | |
612 | return crypto_tfm_alg_blocksize(crypto_ablkcipher_tfm(tfm)); | |
613 | } | |
614 | ||
615 | static inline unsigned int crypto_ablkcipher_alignmask( | |
616 | struct crypto_ablkcipher *tfm) | |
617 | { | |
618 | return crypto_tfm_alg_alignmask(crypto_ablkcipher_tfm(tfm)); | |
619 | } | |
620 | ||
621 | static inline u32 crypto_ablkcipher_get_flags(struct crypto_ablkcipher *tfm) | |
622 | { | |
623 | return crypto_tfm_get_flags(crypto_ablkcipher_tfm(tfm)); | |
624 | } | |
625 | ||
626 | static inline void crypto_ablkcipher_set_flags(struct crypto_ablkcipher *tfm, | |
627 | u32 flags) | |
628 | { | |
629 | crypto_tfm_set_flags(crypto_ablkcipher_tfm(tfm), flags); | |
630 | } | |
631 | ||
632 | static inline void crypto_ablkcipher_clear_flags(struct crypto_ablkcipher *tfm, | |
633 | u32 flags) | |
634 | { | |
635 | crypto_tfm_clear_flags(crypto_ablkcipher_tfm(tfm), flags); | |
636 | } | |
637 | ||
638 | static inline int crypto_ablkcipher_setkey(struct crypto_ablkcipher *tfm, | |
639 | const u8 *key, unsigned int keylen) | |
640 | { | |
ecfc4329 HX |
641 | struct ablkcipher_tfm *crt = crypto_ablkcipher_crt(tfm); |
642 | ||
643 | return crt->setkey(crt->base, key, keylen); | |
32e3983f HX |
644 | } |
645 | ||
646 | static inline struct crypto_ablkcipher *crypto_ablkcipher_reqtfm( | |
647 | struct ablkcipher_request *req) | |
648 | { | |
649 | return __crypto_ablkcipher_cast(req->base.tfm); | |
650 | } | |
651 | ||
652 | static inline int crypto_ablkcipher_encrypt(struct ablkcipher_request *req) | |
653 | { | |
654 | struct ablkcipher_tfm *crt = | |
655 | crypto_ablkcipher_crt(crypto_ablkcipher_reqtfm(req)); | |
656 | return crt->encrypt(req); | |
657 | } | |
658 | ||
659 | static inline int crypto_ablkcipher_decrypt(struct ablkcipher_request *req) | |
660 | { | |
661 | struct ablkcipher_tfm *crt = | |
662 | crypto_ablkcipher_crt(crypto_ablkcipher_reqtfm(req)); | |
663 | return crt->decrypt(req); | |
664 | } | |
665 | ||
b16c3a2e HX |
666 | static inline unsigned int crypto_ablkcipher_reqsize( |
667 | struct crypto_ablkcipher *tfm) | |
32e3983f HX |
668 | { |
669 | return crypto_ablkcipher_crt(tfm)->reqsize; | |
670 | } | |
671 | ||
e196d625 HX |
672 | static inline void ablkcipher_request_set_tfm( |
673 | struct ablkcipher_request *req, struct crypto_ablkcipher *tfm) | |
674 | { | |
ecfc4329 | 675 | req->base.tfm = crypto_ablkcipher_tfm(crypto_ablkcipher_crt(tfm)->base); |
e196d625 HX |
676 | } |
677 | ||
b5b7f088 HX |
678 | static inline struct ablkcipher_request *ablkcipher_request_cast( |
679 | struct crypto_async_request *req) | |
680 | { | |
681 | return container_of(req, struct ablkcipher_request, base); | |
682 | } | |
683 | ||
32e3983f HX |
684 | static inline struct ablkcipher_request *ablkcipher_request_alloc( |
685 | struct crypto_ablkcipher *tfm, gfp_t gfp) | |
686 | { | |
687 | struct ablkcipher_request *req; | |
688 | ||
689 | req = kmalloc(sizeof(struct ablkcipher_request) + | |
690 | crypto_ablkcipher_reqsize(tfm), gfp); | |
691 | ||
692 | if (likely(req)) | |
e196d625 | 693 | ablkcipher_request_set_tfm(req, tfm); |
32e3983f HX |
694 | |
695 | return req; | |
696 | } | |
697 | ||
698 | static inline void ablkcipher_request_free(struct ablkcipher_request *req) | |
699 | { | |
aef73cfc | 700 | kzfree(req); |
32e3983f HX |
701 | } |
702 | ||
703 | static inline void ablkcipher_request_set_callback( | |
704 | struct ablkcipher_request *req, | |
705 | u32 flags, crypto_completion_t complete, void *data) | |
706 | { | |
707 | req->base.complete = complete; | |
708 | req->base.data = data; | |
709 | req->base.flags = flags; | |
710 | } | |
711 | ||
712 | static inline void ablkcipher_request_set_crypt( | |
713 | struct ablkcipher_request *req, | |
714 | struct scatterlist *src, struct scatterlist *dst, | |
715 | unsigned int nbytes, void *iv) | |
716 | { | |
717 | req->src = src; | |
718 | req->dst = dst; | |
719 | req->nbytes = nbytes; | |
720 | req->info = iv; | |
721 | } | |
722 | ||
1ae97820 HX |
723 | static inline struct crypto_aead *__crypto_aead_cast(struct crypto_tfm *tfm) |
724 | { | |
725 | return (struct crypto_aead *)tfm; | |
726 | } | |
727 | ||
d29ce988 | 728 | struct crypto_aead *crypto_alloc_aead(const char *alg_name, u32 type, u32 mask); |
1ae97820 HX |
729 | |
730 | static inline struct crypto_tfm *crypto_aead_tfm(struct crypto_aead *tfm) | |
731 | { | |
732 | return &tfm->base; | |
733 | } | |
734 | ||
735 | static inline void crypto_free_aead(struct crypto_aead *tfm) | |
736 | { | |
737 | crypto_free_tfm(crypto_aead_tfm(tfm)); | |
738 | } | |
739 | ||
740 | static inline struct aead_tfm *crypto_aead_crt(struct crypto_aead *tfm) | |
741 | { | |
742 | return &crypto_aead_tfm(tfm)->crt_aead; | |
743 | } | |
744 | ||
745 | static inline unsigned int crypto_aead_ivsize(struct crypto_aead *tfm) | |
746 | { | |
747 | return crypto_aead_crt(tfm)->ivsize; | |
748 | } | |
749 | ||
750 | static inline unsigned int crypto_aead_authsize(struct crypto_aead *tfm) | |
751 | { | |
752 | return crypto_aead_crt(tfm)->authsize; | |
753 | } | |
754 | ||
755 | static inline unsigned int crypto_aead_blocksize(struct crypto_aead *tfm) | |
756 | { | |
757 | return crypto_tfm_alg_blocksize(crypto_aead_tfm(tfm)); | |
758 | } | |
759 | ||
760 | static inline unsigned int crypto_aead_alignmask(struct crypto_aead *tfm) | |
761 | { | |
762 | return crypto_tfm_alg_alignmask(crypto_aead_tfm(tfm)); | |
763 | } | |
764 | ||
765 | static inline u32 crypto_aead_get_flags(struct crypto_aead *tfm) | |
766 | { | |
767 | return crypto_tfm_get_flags(crypto_aead_tfm(tfm)); | |
768 | } | |
769 | ||
770 | static inline void crypto_aead_set_flags(struct crypto_aead *tfm, u32 flags) | |
771 | { | |
772 | crypto_tfm_set_flags(crypto_aead_tfm(tfm), flags); | |
773 | } | |
774 | ||
775 | static inline void crypto_aead_clear_flags(struct crypto_aead *tfm, u32 flags) | |
776 | { | |
777 | crypto_tfm_clear_flags(crypto_aead_tfm(tfm), flags); | |
778 | } | |
779 | ||
780 | static inline int crypto_aead_setkey(struct crypto_aead *tfm, const u8 *key, | |
781 | unsigned int keylen) | |
782 | { | |
5b6d2d7f HX |
783 | struct aead_tfm *crt = crypto_aead_crt(tfm); |
784 | ||
785 | return crt->setkey(crt->base, key, keylen); | |
1ae97820 HX |
786 | } |
787 | ||
7ba683a6 HX |
788 | int crypto_aead_setauthsize(struct crypto_aead *tfm, unsigned int authsize); |
789 | ||
1ae97820 HX |
790 | static inline struct crypto_aead *crypto_aead_reqtfm(struct aead_request *req) |
791 | { | |
792 | return __crypto_aead_cast(req->base.tfm); | |
793 | } | |
794 | ||
795 | static inline int crypto_aead_encrypt(struct aead_request *req) | |
796 | { | |
797 | return crypto_aead_crt(crypto_aead_reqtfm(req))->encrypt(req); | |
798 | } | |
799 | ||
800 | static inline int crypto_aead_decrypt(struct aead_request *req) | |
801 | { | |
802 | return crypto_aead_crt(crypto_aead_reqtfm(req))->decrypt(req); | |
803 | } | |
804 | ||
b16c3a2e | 805 | static inline unsigned int crypto_aead_reqsize(struct crypto_aead *tfm) |
1ae97820 HX |
806 | { |
807 | return crypto_aead_crt(tfm)->reqsize; | |
808 | } | |
809 | ||
810 | static inline void aead_request_set_tfm(struct aead_request *req, | |
811 | struct crypto_aead *tfm) | |
812 | { | |
5b6d2d7f | 813 | req->base.tfm = crypto_aead_tfm(crypto_aead_crt(tfm)->base); |
1ae97820 HX |
814 | } |
815 | ||
816 | static inline struct aead_request *aead_request_alloc(struct crypto_aead *tfm, | |
817 | gfp_t gfp) | |
818 | { | |
819 | struct aead_request *req; | |
820 | ||
821 | req = kmalloc(sizeof(*req) + crypto_aead_reqsize(tfm), gfp); | |
822 | ||
823 | if (likely(req)) | |
824 | aead_request_set_tfm(req, tfm); | |
825 | ||
826 | return req; | |
827 | } | |
828 | ||
829 | static inline void aead_request_free(struct aead_request *req) | |
830 | { | |
aef73cfc | 831 | kzfree(req); |
1ae97820 HX |
832 | } |
833 | ||
834 | static inline void aead_request_set_callback(struct aead_request *req, | |
835 | u32 flags, | |
836 | crypto_completion_t complete, | |
837 | void *data) | |
838 | { | |
839 | req->base.complete = complete; | |
840 | req->base.data = data; | |
841 | req->base.flags = flags; | |
842 | } | |
843 | ||
844 | static inline void aead_request_set_crypt(struct aead_request *req, | |
845 | struct scatterlist *src, | |
846 | struct scatterlist *dst, | |
847 | unsigned int cryptlen, u8 *iv) | |
848 | { | |
849 | req->src = src; | |
850 | req->dst = dst; | |
851 | req->cryptlen = cryptlen; | |
852 | req->iv = iv; | |
853 | } | |
854 | ||
855 | static inline void aead_request_set_assoc(struct aead_request *req, | |
856 | struct scatterlist *assoc, | |
857 | unsigned int assoclen) | |
858 | { | |
859 | req->assoc = assoc; | |
860 | req->assoclen = assoclen; | |
861 | } | |
862 | ||
5cde0af2 HX |
863 | static inline struct crypto_blkcipher *__crypto_blkcipher_cast( |
864 | struct crypto_tfm *tfm) | |
865 | { | |
866 | return (struct crypto_blkcipher *)tfm; | |
867 | } | |
868 | ||
869 | static inline struct crypto_blkcipher *crypto_blkcipher_cast( | |
870 | struct crypto_tfm *tfm) | |
871 | { | |
872 | BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_BLKCIPHER); | |
873 | return __crypto_blkcipher_cast(tfm); | |
874 | } | |
875 | ||
876 | static inline struct crypto_blkcipher *crypto_alloc_blkcipher( | |
877 | const char *alg_name, u32 type, u32 mask) | |
878 | { | |
332f8840 | 879 | type &= ~CRYPTO_ALG_TYPE_MASK; |
5cde0af2 | 880 | type |= CRYPTO_ALG_TYPE_BLKCIPHER; |
332f8840 | 881 | mask |= CRYPTO_ALG_TYPE_MASK; |
5cde0af2 HX |
882 | |
883 | return __crypto_blkcipher_cast(crypto_alloc_base(alg_name, type, mask)); | |
884 | } | |
885 | ||
886 | static inline struct crypto_tfm *crypto_blkcipher_tfm( | |
887 | struct crypto_blkcipher *tfm) | |
888 | { | |
889 | return &tfm->base; | |
890 | } | |
891 | ||
892 | static inline void crypto_free_blkcipher(struct crypto_blkcipher *tfm) | |
893 | { | |
894 | crypto_free_tfm(crypto_blkcipher_tfm(tfm)); | |
895 | } | |
896 | ||
fce32d70 HX |
897 | static inline int crypto_has_blkcipher(const char *alg_name, u32 type, u32 mask) |
898 | { | |
332f8840 | 899 | type &= ~CRYPTO_ALG_TYPE_MASK; |
fce32d70 | 900 | type |= CRYPTO_ALG_TYPE_BLKCIPHER; |
332f8840 | 901 | mask |= CRYPTO_ALG_TYPE_MASK; |
fce32d70 HX |
902 | |
903 | return crypto_has_alg(alg_name, type, mask); | |
904 | } | |
905 | ||
5cde0af2 HX |
906 | static inline const char *crypto_blkcipher_name(struct crypto_blkcipher *tfm) |
907 | { | |
908 | return crypto_tfm_alg_name(crypto_blkcipher_tfm(tfm)); | |
909 | } | |
910 | ||
911 | static inline struct blkcipher_tfm *crypto_blkcipher_crt( | |
912 | struct crypto_blkcipher *tfm) | |
913 | { | |
914 | return &crypto_blkcipher_tfm(tfm)->crt_blkcipher; | |
915 | } | |
916 | ||
917 | static inline struct blkcipher_alg *crypto_blkcipher_alg( | |
918 | struct crypto_blkcipher *tfm) | |
919 | { | |
920 | return &crypto_blkcipher_tfm(tfm)->__crt_alg->cra_blkcipher; | |
921 | } | |
922 | ||
923 | static inline unsigned int crypto_blkcipher_ivsize(struct crypto_blkcipher *tfm) | |
924 | { | |
925 | return crypto_blkcipher_alg(tfm)->ivsize; | |
926 | } | |
927 | ||
928 | static inline unsigned int crypto_blkcipher_blocksize( | |
929 | struct crypto_blkcipher *tfm) | |
930 | { | |
931 | return crypto_tfm_alg_blocksize(crypto_blkcipher_tfm(tfm)); | |
932 | } | |
933 | ||
934 | static inline unsigned int crypto_blkcipher_alignmask( | |
935 | struct crypto_blkcipher *tfm) | |
936 | { | |
937 | return crypto_tfm_alg_alignmask(crypto_blkcipher_tfm(tfm)); | |
938 | } | |
939 | ||
940 | static inline u32 crypto_blkcipher_get_flags(struct crypto_blkcipher *tfm) | |
941 | { | |
942 | return crypto_tfm_get_flags(crypto_blkcipher_tfm(tfm)); | |
943 | } | |
944 | ||
945 | static inline void crypto_blkcipher_set_flags(struct crypto_blkcipher *tfm, | |
946 | u32 flags) | |
947 | { | |
948 | crypto_tfm_set_flags(crypto_blkcipher_tfm(tfm), flags); | |
949 | } | |
950 | ||
951 | static inline void crypto_blkcipher_clear_flags(struct crypto_blkcipher *tfm, | |
952 | u32 flags) | |
953 | { | |
954 | crypto_tfm_clear_flags(crypto_blkcipher_tfm(tfm), flags); | |
955 | } | |
956 | ||
957 | static inline int crypto_blkcipher_setkey(struct crypto_blkcipher *tfm, | |
958 | const u8 *key, unsigned int keylen) | |
959 | { | |
960 | return crypto_blkcipher_crt(tfm)->setkey(crypto_blkcipher_tfm(tfm), | |
961 | key, keylen); | |
962 | } | |
963 | ||
964 | static inline int crypto_blkcipher_encrypt(struct blkcipher_desc *desc, | |
965 | struct scatterlist *dst, | |
966 | struct scatterlist *src, | |
967 | unsigned int nbytes) | |
968 | { | |
969 | desc->info = crypto_blkcipher_crt(desc->tfm)->iv; | |
970 | return crypto_blkcipher_crt(desc->tfm)->encrypt(desc, dst, src, nbytes); | |
971 | } | |
972 | ||
973 | static inline int crypto_blkcipher_encrypt_iv(struct blkcipher_desc *desc, | |
974 | struct scatterlist *dst, | |
975 | struct scatterlist *src, | |
976 | unsigned int nbytes) | |
977 | { | |
978 | return crypto_blkcipher_crt(desc->tfm)->encrypt(desc, dst, src, nbytes); | |
979 | } | |
980 | ||
981 | static inline int crypto_blkcipher_decrypt(struct blkcipher_desc *desc, | |
982 | struct scatterlist *dst, | |
983 | struct scatterlist *src, | |
984 | unsigned int nbytes) | |
985 | { | |
986 | desc->info = crypto_blkcipher_crt(desc->tfm)->iv; | |
987 | return crypto_blkcipher_crt(desc->tfm)->decrypt(desc, dst, src, nbytes); | |
988 | } | |
989 | ||
990 | static inline int crypto_blkcipher_decrypt_iv(struct blkcipher_desc *desc, | |
991 | struct scatterlist *dst, | |
992 | struct scatterlist *src, | |
993 | unsigned int nbytes) | |
994 | { | |
995 | return crypto_blkcipher_crt(desc->tfm)->decrypt(desc, dst, src, nbytes); | |
996 | } | |
997 | ||
998 | static inline void crypto_blkcipher_set_iv(struct crypto_blkcipher *tfm, | |
999 | const u8 *src, unsigned int len) | |
1000 | { | |
1001 | memcpy(crypto_blkcipher_crt(tfm)->iv, src, len); | |
1002 | } | |
1003 | ||
1004 | static inline void crypto_blkcipher_get_iv(struct crypto_blkcipher *tfm, | |
1005 | u8 *dst, unsigned int len) | |
1006 | { | |
1007 | memcpy(dst, crypto_blkcipher_crt(tfm)->iv, len); | |
1008 | } | |
1009 | ||
f28776a3 HX |
1010 | static inline struct crypto_cipher *__crypto_cipher_cast(struct crypto_tfm *tfm) |
1011 | { | |
1012 | return (struct crypto_cipher *)tfm; | |
1013 | } | |
1014 | ||
1015 | static inline struct crypto_cipher *crypto_cipher_cast(struct crypto_tfm *tfm) | |
1016 | { | |
1017 | BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_CIPHER); | |
1018 | return __crypto_cipher_cast(tfm); | |
1019 | } | |
1020 | ||
1021 | static inline struct crypto_cipher *crypto_alloc_cipher(const char *alg_name, | |
1022 | u32 type, u32 mask) | |
1023 | { | |
1024 | type &= ~CRYPTO_ALG_TYPE_MASK; | |
1025 | type |= CRYPTO_ALG_TYPE_CIPHER; | |
1026 | mask |= CRYPTO_ALG_TYPE_MASK; | |
1027 | ||
1028 | return __crypto_cipher_cast(crypto_alloc_base(alg_name, type, mask)); | |
1029 | } | |
1030 | ||
1031 | static inline struct crypto_tfm *crypto_cipher_tfm(struct crypto_cipher *tfm) | |
1032 | { | |
78a1fe4f | 1033 | return &tfm->base; |
f28776a3 HX |
1034 | } |
1035 | ||
1036 | static inline void crypto_free_cipher(struct crypto_cipher *tfm) | |
1037 | { | |
1038 | crypto_free_tfm(crypto_cipher_tfm(tfm)); | |
1039 | } | |
1040 | ||
fce32d70 HX |
1041 | static inline int crypto_has_cipher(const char *alg_name, u32 type, u32 mask) |
1042 | { | |
1043 | type &= ~CRYPTO_ALG_TYPE_MASK; | |
1044 | type |= CRYPTO_ALG_TYPE_CIPHER; | |
1045 | mask |= CRYPTO_ALG_TYPE_MASK; | |
1046 | ||
1047 | return crypto_has_alg(alg_name, type, mask); | |
1048 | } | |
1049 | ||
f28776a3 HX |
1050 | static inline struct cipher_tfm *crypto_cipher_crt(struct crypto_cipher *tfm) |
1051 | { | |
1052 | return &crypto_cipher_tfm(tfm)->crt_cipher; | |
1053 | } | |
1054 | ||
1055 | static inline unsigned int crypto_cipher_blocksize(struct crypto_cipher *tfm) | |
1056 | { | |
1057 | return crypto_tfm_alg_blocksize(crypto_cipher_tfm(tfm)); | |
1058 | } | |
1059 | ||
1060 | static inline unsigned int crypto_cipher_alignmask(struct crypto_cipher *tfm) | |
1061 | { | |
1062 | return crypto_tfm_alg_alignmask(crypto_cipher_tfm(tfm)); | |
1063 | } | |
1064 | ||
1065 | static inline u32 crypto_cipher_get_flags(struct crypto_cipher *tfm) | |
1066 | { | |
1067 | return crypto_tfm_get_flags(crypto_cipher_tfm(tfm)); | |
1068 | } | |
1069 | ||
1070 | static inline void crypto_cipher_set_flags(struct crypto_cipher *tfm, | |
1071 | u32 flags) | |
1072 | { | |
1073 | crypto_tfm_set_flags(crypto_cipher_tfm(tfm), flags); | |
1074 | } | |
1075 | ||
1076 | static inline void crypto_cipher_clear_flags(struct crypto_cipher *tfm, | |
1077 | u32 flags) | |
1078 | { | |
1079 | crypto_tfm_clear_flags(crypto_cipher_tfm(tfm), flags); | |
1080 | } | |
1081 | ||
7226bc87 HX |
1082 | static inline int crypto_cipher_setkey(struct crypto_cipher *tfm, |
1083 | const u8 *key, unsigned int keylen) | |
1084 | { | |
1085 | return crypto_cipher_crt(tfm)->cit_setkey(crypto_cipher_tfm(tfm), | |
1086 | key, keylen); | |
1087 | } | |
1088 | ||
f28776a3 HX |
1089 | static inline void crypto_cipher_encrypt_one(struct crypto_cipher *tfm, |
1090 | u8 *dst, const u8 *src) | |
1091 | { | |
1092 | crypto_cipher_crt(tfm)->cit_encrypt_one(crypto_cipher_tfm(tfm), | |
1093 | dst, src); | |
1094 | } | |
1095 | ||
1096 | static inline void crypto_cipher_decrypt_one(struct crypto_cipher *tfm, | |
1097 | u8 *dst, const u8 *src) | |
1098 | { | |
1099 | crypto_cipher_crt(tfm)->cit_decrypt_one(crypto_cipher_tfm(tfm), | |
1100 | dst, src); | |
1101 | } | |
1102 | ||
055bcee3 | 1103 | static inline struct crypto_hash *__crypto_hash_cast(struct crypto_tfm *tfm) |
1da177e4 | 1104 | { |
055bcee3 | 1105 | return (struct crypto_hash *)tfm; |
1da177e4 LT |
1106 | } |
1107 | ||
055bcee3 | 1108 | static inline struct crypto_hash *crypto_hash_cast(struct crypto_tfm *tfm) |
1da177e4 | 1109 | { |
055bcee3 HX |
1110 | BUG_ON((crypto_tfm_alg_type(tfm) ^ CRYPTO_ALG_TYPE_HASH) & |
1111 | CRYPTO_ALG_TYPE_HASH_MASK); | |
1112 | return __crypto_hash_cast(tfm); | |
1da177e4 LT |
1113 | } |
1114 | ||
055bcee3 HX |
1115 | static inline struct crypto_hash *crypto_alloc_hash(const char *alg_name, |
1116 | u32 type, u32 mask) | |
1da177e4 | 1117 | { |
055bcee3 | 1118 | type &= ~CRYPTO_ALG_TYPE_MASK; |
551a09a7 | 1119 | mask &= ~CRYPTO_ALG_TYPE_MASK; |
055bcee3 HX |
1120 | type |= CRYPTO_ALG_TYPE_HASH; |
1121 | mask |= CRYPTO_ALG_TYPE_HASH_MASK; | |
1122 | ||
1123 | return __crypto_hash_cast(crypto_alloc_base(alg_name, type, mask)); | |
1da177e4 LT |
1124 | } |
1125 | ||
055bcee3 | 1126 | static inline struct crypto_tfm *crypto_hash_tfm(struct crypto_hash *tfm) |
1da177e4 | 1127 | { |
055bcee3 HX |
1128 | return &tfm->base; |
1129 | } | |
1130 | ||
1131 | static inline void crypto_free_hash(struct crypto_hash *tfm) | |
1132 | { | |
1133 | crypto_free_tfm(crypto_hash_tfm(tfm)); | |
1134 | } | |
1135 | ||
fce32d70 HX |
1136 | static inline int crypto_has_hash(const char *alg_name, u32 type, u32 mask) |
1137 | { | |
1138 | type &= ~CRYPTO_ALG_TYPE_MASK; | |
551a09a7 | 1139 | mask &= ~CRYPTO_ALG_TYPE_MASK; |
fce32d70 HX |
1140 | type |= CRYPTO_ALG_TYPE_HASH; |
1141 | mask |= CRYPTO_ALG_TYPE_HASH_MASK; | |
1142 | ||
1143 | return crypto_has_alg(alg_name, type, mask); | |
1144 | } | |
1145 | ||
055bcee3 HX |
1146 | static inline struct hash_tfm *crypto_hash_crt(struct crypto_hash *tfm) |
1147 | { | |
1148 | return &crypto_hash_tfm(tfm)->crt_hash; | |
1149 | } | |
1150 | ||
1151 | static inline unsigned int crypto_hash_blocksize(struct crypto_hash *tfm) | |
1152 | { | |
1153 | return crypto_tfm_alg_blocksize(crypto_hash_tfm(tfm)); | |
1154 | } | |
1155 | ||
1156 | static inline unsigned int crypto_hash_alignmask(struct crypto_hash *tfm) | |
1157 | { | |
1158 | return crypto_tfm_alg_alignmask(crypto_hash_tfm(tfm)); | |
1159 | } | |
1160 | ||
1161 | static inline unsigned int crypto_hash_digestsize(struct crypto_hash *tfm) | |
1162 | { | |
1163 | return crypto_hash_crt(tfm)->digestsize; | |
1164 | } | |
1165 | ||
1166 | static inline u32 crypto_hash_get_flags(struct crypto_hash *tfm) | |
1167 | { | |
1168 | return crypto_tfm_get_flags(crypto_hash_tfm(tfm)); | |
1169 | } | |
1170 | ||
1171 | static inline void crypto_hash_set_flags(struct crypto_hash *tfm, u32 flags) | |
1172 | { | |
1173 | crypto_tfm_set_flags(crypto_hash_tfm(tfm), flags); | |
1174 | } | |
1175 | ||
1176 | static inline void crypto_hash_clear_flags(struct crypto_hash *tfm, u32 flags) | |
1177 | { | |
1178 | crypto_tfm_clear_flags(crypto_hash_tfm(tfm), flags); | |
1179 | } | |
1180 | ||
1181 | static inline int crypto_hash_init(struct hash_desc *desc) | |
1182 | { | |
1183 | return crypto_hash_crt(desc->tfm)->init(desc); | |
1184 | } | |
1185 | ||
1186 | static inline int crypto_hash_update(struct hash_desc *desc, | |
1187 | struct scatterlist *sg, | |
1188 | unsigned int nbytes) | |
1189 | { | |
1190 | return crypto_hash_crt(desc->tfm)->update(desc, sg, nbytes); | |
1191 | } | |
1192 | ||
1193 | static inline int crypto_hash_final(struct hash_desc *desc, u8 *out) | |
1194 | { | |
1195 | return crypto_hash_crt(desc->tfm)->final(desc, out); | |
1196 | } | |
1197 | ||
1198 | static inline int crypto_hash_digest(struct hash_desc *desc, | |
1199 | struct scatterlist *sg, | |
1200 | unsigned int nbytes, u8 *out) | |
1201 | { | |
1202 | return crypto_hash_crt(desc->tfm)->digest(desc, sg, nbytes, out); | |
1203 | } | |
1204 | ||
1205 | static inline int crypto_hash_setkey(struct crypto_hash *hash, | |
1206 | const u8 *key, unsigned int keylen) | |
1207 | { | |
1208 | return crypto_hash_crt(hash)->setkey(hash, key, keylen); | |
1da177e4 LT |
1209 | } |
1210 | ||
fce32d70 HX |
1211 | static inline struct crypto_comp *__crypto_comp_cast(struct crypto_tfm *tfm) |
1212 | { | |
1213 | return (struct crypto_comp *)tfm; | |
1214 | } | |
1215 | ||
1216 | static inline struct crypto_comp *crypto_comp_cast(struct crypto_tfm *tfm) | |
1217 | { | |
1218 | BUG_ON((crypto_tfm_alg_type(tfm) ^ CRYPTO_ALG_TYPE_COMPRESS) & | |
1219 | CRYPTO_ALG_TYPE_MASK); | |
1220 | return __crypto_comp_cast(tfm); | |
1221 | } | |
1222 | ||
1223 | static inline struct crypto_comp *crypto_alloc_comp(const char *alg_name, | |
1224 | u32 type, u32 mask) | |
1225 | { | |
1226 | type &= ~CRYPTO_ALG_TYPE_MASK; | |
1227 | type |= CRYPTO_ALG_TYPE_COMPRESS; | |
1228 | mask |= CRYPTO_ALG_TYPE_MASK; | |
1229 | ||
1230 | return __crypto_comp_cast(crypto_alloc_base(alg_name, type, mask)); | |
1231 | } | |
1232 | ||
1233 | static inline struct crypto_tfm *crypto_comp_tfm(struct crypto_comp *tfm) | |
1234 | { | |
78a1fe4f | 1235 | return &tfm->base; |
fce32d70 HX |
1236 | } |
1237 | ||
1238 | static inline void crypto_free_comp(struct crypto_comp *tfm) | |
1239 | { | |
1240 | crypto_free_tfm(crypto_comp_tfm(tfm)); | |
1241 | } | |
1242 | ||
1243 | static inline int crypto_has_comp(const char *alg_name, u32 type, u32 mask) | |
1244 | { | |
1245 | type &= ~CRYPTO_ALG_TYPE_MASK; | |
1246 | type |= CRYPTO_ALG_TYPE_COMPRESS; | |
1247 | mask |= CRYPTO_ALG_TYPE_MASK; | |
1248 | ||
1249 | return crypto_has_alg(alg_name, type, mask); | |
1250 | } | |
1251 | ||
e4d5b79c HX |
1252 | static inline const char *crypto_comp_name(struct crypto_comp *tfm) |
1253 | { | |
1254 | return crypto_tfm_alg_name(crypto_comp_tfm(tfm)); | |
1255 | } | |
1256 | ||
fce32d70 HX |
1257 | static inline struct compress_tfm *crypto_comp_crt(struct crypto_comp *tfm) |
1258 | { | |
1259 | return &crypto_comp_tfm(tfm)->crt_compress; | |
1260 | } | |
1261 | ||
1262 | static inline int crypto_comp_compress(struct crypto_comp *tfm, | |
1da177e4 LT |
1263 | const u8 *src, unsigned int slen, |
1264 | u8 *dst, unsigned int *dlen) | |
1265 | { | |
78a1fe4f HX |
1266 | return crypto_comp_crt(tfm)->cot_compress(crypto_comp_tfm(tfm), |
1267 | src, slen, dst, dlen); | |
1da177e4 LT |
1268 | } |
1269 | ||
fce32d70 | 1270 | static inline int crypto_comp_decompress(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_decompress(crypto_comp_tfm(tfm), |
1275 | src, slen, dst, dlen); | |
1da177e4 LT |
1276 | } |
1277 | ||
1da177e4 LT |
1278 | #endif /* _LINUX_CRYPTO_H */ |
1279 |