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