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