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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)
6  * Copyright (c) 2005 Herbert Xu <herbert@gondor.apana.org.au>
7  *
8  * Portions derived from Cryptoapi, by Alexander Kjeldaas <astor@fast.no>
9  * and Nettle, by Niels Möller.
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 
20 #include <linux/atomic.h>
21 #include <linux/kernel.h>
22 #include <linux/list.h>
23 #include <linux/bug.h>
24 #include <linux/slab.h>
25 #include <linux/string.h>
26 #include <linux/uaccess.h>
27 
28 /*
29  * Algorithm masks and types.
30  */
31 #define CRYPTO_ALG_TYPE_MASK		0x0000000f
32 #define CRYPTO_ALG_TYPE_CIPHER		0x00000001
33 #define CRYPTO_ALG_TYPE_COMPRESS	0x00000002
34 #define CRYPTO_ALG_TYPE_AEAD		0x00000003
35 #define CRYPTO_ALG_TYPE_BLKCIPHER	0x00000004
36 #define CRYPTO_ALG_TYPE_ABLKCIPHER	0x00000005
37 #define CRYPTO_ALG_TYPE_GIVCIPHER	0x00000006
38 #define CRYPTO_ALG_TYPE_DIGEST		0x00000008
39 #define CRYPTO_ALG_TYPE_HASH		0x00000008
40 #define CRYPTO_ALG_TYPE_SHASH		0x00000009
41 #define CRYPTO_ALG_TYPE_AHASH		0x0000000a
42 #define CRYPTO_ALG_TYPE_RNG		0x0000000c
43 #define CRYPTO_ALG_TYPE_PCOMPRESS	0x0000000f
44 
45 #define CRYPTO_ALG_TYPE_HASH_MASK	0x0000000e
46 #define CRYPTO_ALG_TYPE_AHASH_MASK	0x0000000c
47 #define CRYPTO_ALG_TYPE_BLKCIPHER_MASK	0x0000000c
48 
49 #define CRYPTO_ALG_LARVAL		0x00000010
50 #define CRYPTO_ALG_DEAD			0x00000020
51 #define CRYPTO_ALG_DYING		0x00000040
52 #define CRYPTO_ALG_ASYNC		0x00000080
53 
54 /*
55  * Set this bit if and only if the algorithm requires another algorithm of
56  * the same type to handle corner cases.
57  */
58 #define CRYPTO_ALG_NEED_FALLBACK	0x00000100
59 
60 /*
61  * This bit is set for symmetric key ciphers that have already been wrapped
62  * with a generic IV generator to prevent them from being wrapped again.
63  */
64 #define CRYPTO_ALG_GENIV		0x00000200
65 
66 /*
67  * Set if the algorithm has passed automated run-time testing.  Note that
68  * if there is no run-time testing for a given algorithm it is considered
69  * to have passed.
70  */
71 
72 #define CRYPTO_ALG_TESTED		0x00000400
73 
74 /*
75  * Set if the algorithm is an instance that is build from templates.
76  */
77 #define CRYPTO_ALG_INSTANCE		0x00000800
78 
79 /* Set this bit if the algorithm provided is hardware accelerated but
80  * not available to userspace via instruction set or so.
81  */
82 #define CRYPTO_ALG_KERN_DRIVER_ONLY	0x00001000
83 
84 /*
85  * Transform masks and values (for crt_flags).
86  */
87 #define CRYPTO_TFM_REQ_MASK		0x000fff00
88 #define CRYPTO_TFM_RES_MASK		0xfff00000
89 
90 #define CRYPTO_TFM_REQ_WEAK_KEY		0x00000100
91 #define CRYPTO_TFM_REQ_MAY_SLEEP	0x00000200
92 #define CRYPTO_TFM_REQ_MAY_BACKLOG	0x00000400
93 #define CRYPTO_TFM_RES_WEAK_KEY		0x00100000
94 #define CRYPTO_TFM_RES_BAD_KEY_LEN   	0x00200000
95 #define CRYPTO_TFM_RES_BAD_KEY_SCHED 	0x00400000
96 #define CRYPTO_TFM_RES_BAD_BLOCK_LEN 	0x00800000
97 #define CRYPTO_TFM_RES_BAD_FLAGS 	0x01000000
98 
99 /*
100  * Miscellaneous stuff.
101  */
102 #define CRYPTO_MAX_ALG_NAME		64
103 
104 /*
105  * The macro CRYPTO_MINALIGN_ATTR (along with the void * type in the actual
106  * declaration) is used to ensure that the crypto_tfm context structure is
107  * aligned correctly for the given architecture so that there are no alignment
108  * faults for C data types.  In particular, this is required on platforms such
109  * as arm where pointers are 32-bit aligned but there are data types such as
110  * u64 which require 64-bit alignment.
111  */
112 #define CRYPTO_MINALIGN ARCH_KMALLOC_MINALIGN
113 
114 #define CRYPTO_MINALIGN_ATTR __attribute__ ((__aligned__(CRYPTO_MINALIGN)))
115 
116 struct scatterlist;
117 struct crypto_ablkcipher;
118 struct crypto_async_request;
119 struct crypto_aead;
120 struct crypto_blkcipher;
121 struct crypto_hash;
122 struct crypto_rng;
123 struct crypto_tfm;
124 struct crypto_type;
125 struct aead_givcrypt_request;
126 struct skcipher_givcrypt_request;
127 
128 typedef void (*crypto_completion_t)(struct crypto_async_request *req, int err);
129 
130 struct crypto_async_request {
131 	struct list_head list;
132 	crypto_completion_t complete;
133 	void *data;
134 	struct crypto_tfm *tfm;
135 
136 	u32 flags;
137 };
138 
139 struct ablkcipher_request {
140 	struct crypto_async_request base;
141 
142 	unsigned int nbytes;
143 
144 	void *info;
145 
146 	struct scatterlist *src;
147 	struct scatterlist *dst;
148 
149 	void *__ctx[] CRYPTO_MINALIGN_ATTR;
150 };
151 
152 /**
153  *	struct aead_request - AEAD request
154  *	@base: Common attributes for async crypto requests
155  *	@assoclen: Length in bytes of associated data for authentication
156  *	@cryptlen: Length of data to be encrypted or decrypted
157  *	@iv: Initialisation vector
158  *	@assoc: Associated data
159  *	@src: Source data
160  *	@dst: Destination data
161  *	@__ctx: Start of private context data
162  */
163 struct aead_request {
164 	struct crypto_async_request base;
165 
166 	unsigned int assoclen;
167 	unsigned int cryptlen;
168 
169 	u8 *iv;
170 
171 	struct scatterlist *assoc;
172 	struct scatterlist *src;
173 	struct scatterlist *dst;
174 
175 	void *__ctx[] CRYPTO_MINALIGN_ATTR;
176 };
177 
178 struct blkcipher_desc {
179 	struct crypto_blkcipher *tfm;
180 	void *info;
181 	u32 flags;
182 };
183 
184 struct cipher_desc {
185 	struct crypto_tfm *tfm;
186 	void (*crfn)(struct crypto_tfm *tfm, u8 *dst, const u8 *src);
187 	unsigned int (*prfn)(const struct cipher_desc *desc, u8 *dst,
188 			     const u8 *src, unsigned int nbytes);
189 	void *info;
190 };
191 
192 struct hash_desc {
193 	struct crypto_hash *tfm;
194 	u32 flags;
195 };
196 
197 /*
198  * Algorithms: modular crypto algorithm implementations, managed
199  * via crypto_register_alg() and crypto_unregister_alg().
200  */
201 struct ablkcipher_alg {
202 	int (*setkey)(struct crypto_ablkcipher *tfm, const u8 *key,
203 	              unsigned int keylen);
204 	int (*encrypt)(struct ablkcipher_request *req);
205 	int (*decrypt)(struct ablkcipher_request *req);
206 	int (*givencrypt)(struct skcipher_givcrypt_request *req);
207 	int (*givdecrypt)(struct skcipher_givcrypt_request *req);
208 
209 	const char *geniv;
210 
211 	unsigned int min_keysize;
212 	unsigned int max_keysize;
213 	unsigned int ivsize;
214 };
215 
216 struct aead_alg {
217 	int (*setkey)(struct crypto_aead *tfm, const u8 *key,
218 	              unsigned int keylen);
219 	int (*setauthsize)(struct crypto_aead *tfm, unsigned int authsize);
220 	int (*encrypt)(struct aead_request *req);
221 	int (*decrypt)(struct aead_request *req);
222 	int (*givencrypt)(struct aead_givcrypt_request *req);
223 	int (*givdecrypt)(struct aead_givcrypt_request *req);
224 
225 	const char *geniv;
226 
227 	unsigned int ivsize;
228 	unsigned int maxauthsize;
229 };
230 
231 struct blkcipher_alg {
232 	int (*setkey)(struct crypto_tfm *tfm, const u8 *key,
233 	              unsigned int keylen);
234 	int (*encrypt)(struct blkcipher_desc *desc,
235 		       struct scatterlist *dst, struct scatterlist *src,
236 		       unsigned int nbytes);
237 	int (*decrypt)(struct blkcipher_desc *desc,
238 		       struct scatterlist *dst, struct scatterlist *src,
239 		       unsigned int nbytes);
240 
241 	const char *geniv;
242 
243 	unsigned int min_keysize;
244 	unsigned int max_keysize;
245 	unsigned int ivsize;
246 };
247 
248 struct cipher_alg {
249 	unsigned int cia_min_keysize;
250 	unsigned int cia_max_keysize;
251 	int (*cia_setkey)(struct crypto_tfm *tfm, const u8 *key,
252 	                  unsigned int keylen);
253 	void (*cia_encrypt)(struct crypto_tfm *tfm, u8 *dst, const u8 *src);
254 	void (*cia_decrypt)(struct crypto_tfm *tfm, u8 *dst, const u8 *src);
255 };
256 
257 struct compress_alg {
258 	int (*coa_compress)(struct crypto_tfm *tfm, const u8 *src,
259 			    unsigned int slen, u8 *dst, unsigned int *dlen);
260 	int (*coa_decompress)(struct crypto_tfm *tfm, const u8 *src,
261 			      unsigned int slen, u8 *dst, unsigned int *dlen);
262 };
263 
264 struct rng_alg {
265 	int (*rng_make_random)(struct crypto_rng *tfm, u8 *rdata,
266 			       unsigned int dlen);
267 	int (*rng_reset)(struct crypto_rng *tfm, u8 *seed, unsigned int slen);
268 
269 	unsigned int seedsize;
270 };
271 
272 
273 #define cra_ablkcipher	cra_u.ablkcipher
274 #define cra_aead	cra_u.aead
275 #define cra_blkcipher	cra_u.blkcipher
276 #define cra_cipher	cra_u.cipher
277 #define cra_compress	cra_u.compress
278 #define cra_rng		cra_u.rng
279 
280 struct crypto_alg {
281 	struct list_head cra_list;
282 	struct list_head cra_users;
283 
284 	u32 cra_flags;
285 	unsigned int cra_blocksize;
286 	unsigned int cra_ctxsize;
287 	unsigned int cra_alignmask;
288 
289 	int cra_priority;
290 	atomic_t cra_refcnt;
291 
292 	char cra_name[CRYPTO_MAX_ALG_NAME];
293 	char cra_driver_name[CRYPTO_MAX_ALG_NAME];
294 
295 	const struct crypto_type *cra_type;
296 
297 	union {
298 		struct ablkcipher_alg ablkcipher;
299 		struct aead_alg aead;
300 		struct blkcipher_alg blkcipher;
301 		struct cipher_alg cipher;
302 		struct compress_alg compress;
303 		struct rng_alg rng;
304 	} cra_u;
305 
306 	int (*cra_init)(struct crypto_tfm *tfm);
307 	void (*cra_exit)(struct crypto_tfm *tfm);
308 	void (*cra_destroy)(struct crypto_alg *alg);
309 
310 	struct module *cra_module;
311 };
312 
313 /*
314  * Algorithm registration interface.
315  */
316 int crypto_register_alg(struct crypto_alg *alg);
317 int crypto_unregister_alg(struct crypto_alg *alg);
318 int crypto_register_algs(struct crypto_alg *algs, int count);
319 int crypto_unregister_algs(struct crypto_alg *algs, int count);
320 
321 /*
322  * Algorithm query interface.
323  */
324 int crypto_has_alg(const char *name, u32 type, u32 mask);
325 
326 /*
327  * Transforms: user-instantiated objects which encapsulate algorithms
328  * and core processing logic.  Managed via crypto_alloc_*() and
329  * crypto_free_*(), as well as the various helpers below.
330  */
331 
332 struct ablkcipher_tfm {
333 	int (*setkey)(struct crypto_ablkcipher *tfm, const u8 *key,
334 	              unsigned int keylen);
335 	int (*encrypt)(struct ablkcipher_request *req);
336 	int (*decrypt)(struct ablkcipher_request *req);
337 	int (*givencrypt)(struct skcipher_givcrypt_request *req);
338 	int (*givdecrypt)(struct skcipher_givcrypt_request *req);
339 
340 	struct crypto_ablkcipher *base;
341 
342 	unsigned int ivsize;
343 	unsigned int reqsize;
344 };
345 
346 struct aead_tfm {
347 	int (*setkey)(struct crypto_aead *tfm, const u8 *key,
348 	              unsigned int keylen);
349 	int (*encrypt)(struct aead_request *req);
350 	int (*decrypt)(struct aead_request *req);
351 	int (*givencrypt)(struct aead_givcrypt_request *req);
352 	int (*givdecrypt)(struct aead_givcrypt_request *req);
353 
354 	struct crypto_aead *base;
355 
356 	unsigned int ivsize;
357 	unsigned int authsize;
358 	unsigned int reqsize;
359 };
360 
361 struct blkcipher_tfm {
362 	void *iv;
363 	int (*setkey)(struct crypto_tfm *tfm, const u8 *key,
364 		      unsigned int keylen);
365 	int (*encrypt)(struct blkcipher_desc *desc, struct scatterlist *dst,
366 		       struct scatterlist *src, unsigned int nbytes);
367 	int (*decrypt)(struct blkcipher_desc *desc, struct scatterlist *dst,
368 		       struct scatterlist *src, unsigned int nbytes);
369 };
370 
371 struct cipher_tfm {
372 	int (*cit_setkey)(struct crypto_tfm *tfm,
373 	                  const u8 *key, unsigned int keylen);
374 	void (*cit_encrypt_one)(struct crypto_tfm *tfm, u8 *dst, const u8 *src);
375 	void (*cit_decrypt_one)(struct crypto_tfm *tfm, u8 *dst, const u8 *src);
376 };
377 
378 struct hash_tfm {
379 	int (*init)(struct hash_desc *desc);
380 	int (*update)(struct hash_desc *desc,
381 		      struct scatterlist *sg, unsigned int nsg);
382 	int (*final)(struct hash_desc *desc, u8 *out);
383 	int (*digest)(struct hash_desc *desc, struct scatterlist *sg,
384 		      unsigned int nsg, u8 *out);
385 	int (*setkey)(struct crypto_hash *tfm, const u8 *key,
386 		      unsigned int keylen);
387 	unsigned int digestsize;
388 };
389 
390 struct compress_tfm {
391 	int (*cot_compress)(struct crypto_tfm *tfm,
392 	                    const u8 *src, unsigned int slen,
393 	                    u8 *dst, unsigned int *dlen);
394 	int (*cot_decompress)(struct crypto_tfm *tfm,
395 	                      const u8 *src, unsigned int slen,
396 	                      u8 *dst, unsigned int *dlen);
397 };
398 
399 struct rng_tfm {
400 	int (*rng_gen_random)(struct crypto_rng *tfm, u8 *rdata,
401 			      unsigned int dlen);
402 	int (*rng_reset)(struct crypto_rng *tfm, u8 *seed, unsigned int slen);
403 };
404 
405 #define crt_ablkcipher	crt_u.ablkcipher
406 #define crt_aead	crt_u.aead
407 #define crt_blkcipher	crt_u.blkcipher
408 #define crt_cipher	crt_u.cipher
409 #define crt_hash	crt_u.hash
410 #define crt_compress	crt_u.compress
411 #define crt_rng		crt_u.rng
412 
413 struct crypto_tfm {
414 
415 	u32 crt_flags;
416 
417 	union {
418 		struct ablkcipher_tfm ablkcipher;
419 		struct aead_tfm aead;
420 		struct blkcipher_tfm blkcipher;
421 		struct cipher_tfm cipher;
422 		struct hash_tfm hash;
423 		struct compress_tfm compress;
424 		struct rng_tfm rng;
425 	} crt_u;
426 
427 	void (*exit)(struct crypto_tfm *tfm);
428 
429 	struct crypto_alg *__crt_alg;
430 
431 	void *__crt_ctx[] CRYPTO_MINALIGN_ATTR;
432 };
433 
434 struct crypto_ablkcipher {
435 	struct crypto_tfm base;
436 };
437 
438 struct crypto_aead {
439 	struct crypto_tfm base;
440 };
441 
442 struct crypto_blkcipher {
443 	struct crypto_tfm base;
444 };
445 
446 struct crypto_cipher {
447 	struct crypto_tfm base;
448 };
449 
450 struct crypto_comp {
451 	struct crypto_tfm base;
452 };
453 
454 struct crypto_hash {
455 	struct crypto_tfm base;
456 };
457 
458 struct crypto_rng {
459 	struct crypto_tfm base;
460 };
461 
462 enum {
463 	CRYPTOA_UNSPEC,
464 	CRYPTOA_ALG,
465 	CRYPTOA_TYPE,
466 	CRYPTOA_U32,
467 	__CRYPTOA_MAX,
468 };
469 
470 #define CRYPTOA_MAX (__CRYPTOA_MAX - 1)
471 
472 /* Maximum number of (rtattr) parameters for each template. */
473 #define CRYPTO_MAX_ATTRS 32
474 
475 struct crypto_attr_alg {
476 	char name[CRYPTO_MAX_ALG_NAME];
477 };
478 
479 struct crypto_attr_type {
480 	u32 type;
481 	u32 mask;
482 };
483 
484 struct crypto_attr_u32 {
485 	u32 num;
486 };
487 
488 /*
489  * Transform user interface.
490  */
491 
492 struct crypto_tfm *crypto_alloc_base(const char *alg_name, u32 type, u32 mask);
493 void crypto_destroy_tfm(void *mem, struct crypto_tfm *tfm);
494 
crypto_free_tfm(struct crypto_tfm * tfm)495 static inline void crypto_free_tfm(struct crypto_tfm *tfm)
496 {
497 	return crypto_destroy_tfm(tfm, tfm);
498 }
499 
500 int alg_test(const char *driver, const char *alg, u32 type, u32 mask);
501 
502 /*
503  * Transform helpers which query the underlying algorithm.
504  */
crypto_tfm_alg_name(struct crypto_tfm * tfm)505 static inline const char *crypto_tfm_alg_name(struct crypto_tfm *tfm)
506 {
507 	return tfm->__crt_alg->cra_name;
508 }
509 
crypto_tfm_alg_driver_name(struct crypto_tfm * tfm)510 static inline const char *crypto_tfm_alg_driver_name(struct crypto_tfm *tfm)
511 {
512 	return tfm->__crt_alg->cra_driver_name;
513 }
514 
crypto_tfm_alg_priority(struct crypto_tfm * tfm)515 static inline int crypto_tfm_alg_priority(struct crypto_tfm *tfm)
516 {
517 	return tfm->__crt_alg->cra_priority;
518 }
519 
crypto_tfm_alg_type(struct crypto_tfm * tfm)520 static inline u32 crypto_tfm_alg_type(struct crypto_tfm *tfm)
521 {
522 	return tfm->__crt_alg->cra_flags & CRYPTO_ALG_TYPE_MASK;
523 }
524 
crypto_tfm_alg_blocksize(struct crypto_tfm * tfm)525 static inline unsigned int crypto_tfm_alg_blocksize(struct crypto_tfm *tfm)
526 {
527 	return tfm->__crt_alg->cra_blocksize;
528 }
529 
crypto_tfm_alg_alignmask(struct crypto_tfm * tfm)530 static inline unsigned int crypto_tfm_alg_alignmask(struct crypto_tfm *tfm)
531 {
532 	return tfm->__crt_alg->cra_alignmask;
533 }
534 
crypto_tfm_get_flags(struct crypto_tfm * tfm)535 static inline u32 crypto_tfm_get_flags(struct crypto_tfm *tfm)
536 {
537 	return tfm->crt_flags;
538 }
539 
crypto_tfm_set_flags(struct crypto_tfm * tfm,u32 flags)540 static inline void crypto_tfm_set_flags(struct crypto_tfm *tfm, u32 flags)
541 {
542 	tfm->crt_flags |= flags;
543 }
544 
crypto_tfm_clear_flags(struct crypto_tfm * tfm,u32 flags)545 static inline void crypto_tfm_clear_flags(struct crypto_tfm *tfm, u32 flags)
546 {
547 	tfm->crt_flags &= ~flags;
548 }
549 
crypto_tfm_ctx(struct crypto_tfm * tfm)550 static inline void *crypto_tfm_ctx(struct crypto_tfm *tfm)
551 {
552 	return tfm->__crt_ctx;
553 }
554 
crypto_tfm_ctx_alignment(void)555 static inline unsigned int crypto_tfm_ctx_alignment(void)
556 {
557 	struct crypto_tfm *tfm;
558 	return __alignof__(tfm->__crt_ctx);
559 }
560 
561 /*
562  * API wrappers.
563  */
__crypto_ablkcipher_cast(struct crypto_tfm * tfm)564 static inline struct crypto_ablkcipher *__crypto_ablkcipher_cast(
565 	struct crypto_tfm *tfm)
566 {
567 	return (struct crypto_ablkcipher *)tfm;
568 }
569 
crypto_skcipher_type(u32 type)570 static inline u32 crypto_skcipher_type(u32 type)
571 {
572 	type &= ~(CRYPTO_ALG_TYPE_MASK | CRYPTO_ALG_GENIV);
573 	type |= CRYPTO_ALG_TYPE_BLKCIPHER;
574 	return type;
575 }
576 
crypto_skcipher_mask(u32 mask)577 static inline u32 crypto_skcipher_mask(u32 mask)
578 {
579 	mask &= ~(CRYPTO_ALG_TYPE_MASK | CRYPTO_ALG_GENIV);
580 	mask |= CRYPTO_ALG_TYPE_BLKCIPHER_MASK;
581 	return mask;
582 }
583 
584 struct crypto_ablkcipher *crypto_alloc_ablkcipher(const char *alg_name,
585 						  u32 type, u32 mask);
586 
crypto_ablkcipher_tfm(struct crypto_ablkcipher * tfm)587 static inline struct crypto_tfm *crypto_ablkcipher_tfm(
588 	struct crypto_ablkcipher *tfm)
589 {
590 	return &tfm->base;
591 }
592 
crypto_free_ablkcipher(struct crypto_ablkcipher * tfm)593 static inline void crypto_free_ablkcipher(struct crypto_ablkcipher *tfm)
594 {
595 	crypto_free_tfm(crypto_ablkcipher_tfm(tfm));
596 }
597 
crypto_has_ablkcipher(const char * alg_name,u32 type,u32 mask)598 static inline int crypto_has_ablkcipher(const char *alg_name, u32 type,
599 					u32 mask)
600 {
601 	return crypto_has_alg(alg_name, crypto_skcipher_type(type),
602 			      crypto_skcipher_mask(mask));
603 }
604 
crypto_ablkcipher_crt(struct crypto_ablkcipher * tfm)605 static inline struct ablkcipher_tfm *crypto_ablkcipher_crt(
606 	struct crypto_ablkcipher *tfm)
607 {
608 	return &crypto_ablkcipher_tfm(tfm)->crt_ablkcipher;
609 }
610 
crypto_ablkcipher_ivsize(struct crypto_ablkcipher * tfm)611 static inline unsigned int crypto_ablkcipher_ivsize(
612 	struct crypto_ablkcipher *tfm)
613 {
614 	return crypto_ablkcipher_crt(tfm)->ivsize;
615 }
616 
crypto_ablkcipher_blocksize(struct crypto_ablkcipher * tfm)617 static inline unsigned int crypto_ablkcipher_blocksize(
618 	struct crypto_ablkcipher *tfm)
619 {
620 	return crypto_tfm_alg_blocksize(crypto_ablkcipher_tfm(tfm));
621 }
622 
crypto_ablkcipher_alignmask(struct crypto_ablkcipher * tfm)623 static inline unsigned int crypto_ablkcipher_alignmask(
624 	struct crypto_ablkcipher *tfm)
625 {
626 	return crypto_tfm_alg_alignmask(crypto_ablkcipher_tfm(tfm));
627 }
628 
crypto_ablkcipher_get_flags(struct crypto_ablkcipher * tfm)629 static inline u32 crypto_ablkcipher_get_flags(struct crypto_ablkcipher *tfm)
630 {
631 	return crypto_tfm_get_flags(crypto_ablkcipher_tfm(tfm));
632 }
633 
crypto_ablkcipher_set_flags(struct crypto_ablkcipher * tfm,u32 flags)634 static inline void crypto_ablkcipher_set_flags(struct crypto_ablkcipher *tfm,
635 					       u32 flags)
636 {
637 	crypto_tfm_set_flags(crypto_ablkcipher_tfm(tfm), flags);
638 }
639 
crypto_ablkcipher_clear_flags(struct crypto_ablkcipher * tfm,u32 flags)640 static inline void crypto_ablkcipher_clear_flags(struct crypto_ablkcipher *tfm,
641 						 u32 flags)
642 {
643 	crypto_tfm_clear_flags(crypto_ablkcipher_tfm(tfm), flags);
644 }
645 
crypto_ablkcipher_setkey(struct crypto_ablkcipher * tfm,const u8 * key,unsigned int keylen)646 static inline int crypto_ablkcipher_setkey(struct crypto_ablkcipher *tfm,
647 					   const u8 *key, unsigned int keylen)
648 {
649 	struct ablkcipher_tfm *crt = crypto_ablkcipher_crt(tfm);
650 
651 	return crt->setkey(crt->base, key, keylen);
652 }
653 
crypto_ablkcipher_reqtfm(struct ablkcipher_request * req)654 static inline struct crypto_ablkcipher *crypto_ablkcipher_reqtfm(
655 	struct ablkcipher_request *req)
656 {
657 	return __crypto_ablkcipher_cast(req->base.tfm);
658 }
659 
crypto_ablkcipher_encrypt(struct ablkcipher_request * req)660 static inline int crypto_ablkcipher_encrypt(struct ablkcipher_request *req)
661 {
662 	struct ablkcipher_tfm *crt =
663 		crypto_ablkcipher_crt(crypto_ablkcipher_reqtfm(req));
664 	return crt->encrypt(req);
665 }
666 
crypto_ablkcipher_decrypt(struct ablkcipher_request * req)667 static inline int crypto_ablkcipher_decrypt(struct ablkcipher_request *req)
668 {
669 	struct ablkcipher_tfm *crt =
670 		crypto_ablkcipher_crt(crypto_ablkcipher_reqtfm(req));
671 	return crt->decrypt(req);
672 }
673 
crypto_ablkcipher_reqsize(struct crypto_ablkcipher * tfm)674 static inline unsigned int crypto_ablkcipher_reqsize(
675 	struct crypto_ablkcipher *tfm)
676 {
677 	return crypto_ablkcipher_crt(tfm)->reqsize;
678 }
679 
ablkcipher_request_set_tfm(struct ablkcipher_request * req,struct crypto_ablkcipher * tfm)680 static inline void ablkcipher_request_set_tfm(
681 	struct ablkcipher_request *req, struct crypto_ablkcipher *tfm)
682 {
683 	req->base.tfm = crypto_ablkcipher_tfm(crypto_ablkcipher_crt(tfm)->base);
684 }
685 
ablkcipher_request_cast(struct crypto_async_request * req)686 static inline struct ablkcipher_request *ablkcipher_request_cast(
687 	struct crypto_async_request *req)
688 {
689 	return container_of(req, struct ablkcipher_request, base);
690 }
691 
ablkcipher_request_alloc(struct crypto_ablkcipher * tfm,gfp_t gfp)692 static inline struct ablkcipher_request *ablkcipher_request_alloc(
693 	struct crypto_ablkcipher *tfm, gfp_t gfp)
694 {
695 	struct ablkcipher_request *req;
696 
697 	req = kmalloc(sizeof(struct ablkcipher_request) +
698 		      crypto_ablkcipher_reqsize(tfm), gfp);
699 
700 	if (likely(req))
701 		ablkcipher_request_set_tfm(req, tfm);
702 
703 	return req;
704 }
705 
ablkcipher_request_free(struct ablkcipher_request * req)706 static inline void ablkcipher_request_free(struct ablkcipher_request *req)
707 {
708 	kzfree(req);
709 }
710 
ablkcipher_request_set_callback(struct ablkcipher_request * req,u32 flags,crypto_completion_t complete,void * data)711 static inline void ablkcipher_request_set_callback(
712 	struct ablkcipher_request *req,
713 	u32 flags, crypto_completion_t complete, void *data)
714 {
715 	req->base.complete = complete;
716 	req->base.data = data;
717 	req->base.flags = flags;
718 }
719 
ablkcipher_request_set_crypt(struct ablkcipher_request * req,struct scatterlist * src,struct scatterlist * dst,unsigned int nbytes,void * iv)720 static inline void ablkcipher_request_set_crypt(
721 	struct ablkcipher_request *req,
722 	struct scatterlist *src, struct scatterlist *dst,
723 	unsigned int nbytes, void *iv)
724 {
725 	req->src = src;
726 	req->dst = dst;
727 	req->nbytes = nbytes;
728 	req->info = iv;
729 }
730 
__crypto_aead_cast(struct crypto_tfm * tfm)731 static inline struct crypto_aead *__crypto_aead_cast(struct crypto_tfm *tfm)
732 {
733 	return (struct crypto_aead *)tfm;
734 }
735 
736 struct crypto_aead *crypto_alloc_aead(const char *alg_name, u32 type, u32 mask);
737 
crypto_aead_tfm(struct crypto_aead * tfm)738 static inline struct crypto_tfm *crypto_aead_tfm(struct crypto_aead *tfm)
739 {
740 	return &tfm->base;
741 }
742 
crypto_free_aead(struct crypto_aead * tfm)743 static inline void crypto_free_aead(struct crypto_aead *tfm)
744 {
745 	crypto_free_tfm(crypto_aead_tfm(tfm));
746 }
747 
crypto_aead_crt(struct crypto_aead * tfm)748 static inline struct aead_tfm *crypto_aead_crt(struct crypto_aead *tfm)
749 {
750 	return &crypto_aead_tfm(tfm)->crt_aead;
751 }
752 
crypto_aead_ivsize(struct crypto_aead * tfm)753 static inline unsigned int crypto_aead_ivsize(struct crypto_aead *tfm)
754 {
755 	return crypto_aead_crt(tfm)->ivsize;
756 }
757 
crypto_aead_authsize(struct crypto_aead * tfm)758 static inline unsigned int crypto_aead_authsize(struct crypto_aead *tfm)
759 {
760 	return crypto_aead_crt(tfm)->authsize;
761 }
762 
crypto_aead_blocksize(struct crypto_aead * tfm)763 static inline unsigned int crypto_aead_blocksize(struct crypto_aead *tfm)
764 {
765 	return crypto_tfm_alg_blocksize(crypto_aead_tfm(tfm));
766 }
767 
crypto_aead_alignmask(struct crypto_aead * tfm)768 static inline unsigned int crypto_aead_alignmask(struct crypto_aead *tfm)
769 {
770 	return crypto_tfm_alg_alignmask(crypto_aead_tfm(tfm));
771 }
772 
crypto_aead_get_flags(struct crypto_aead * tfm)773 static inline u32 crypto_aead_get_flags(struct crypto_aead *tfm)
774 {
775 	return crypto_tfm_get_flags(crypto_aead_tfm(tfm));
776 }
777 
crypto_aead_set_flags(struct crypto_aead * tfm,u32 flags)778 static inline void crypto_aead_set_flags(struct crypto_aead *tfm, u32 flags)
779 {
780 	crypto_tfm_set_flags(crypto_aead_tfm(tfm), flags);
781 }
782 
crypto_aead_clear_flags(struct crypto_aead * tfm,u32 flags)783 static inline void crypto_aead_clear_flags(struct crypto_aead *tfm, u32 flags)
784 {
785 	crypto_tfm_clear_flags(crypto_aead_tfm(tfm), flags);
786 }
787 
crypto_aead_setkey(struct crypto_aead * tfm,const u8 * key,unsigned int keylen)788 static inline int crypto_aead_setkey(struct crypto_aead *tfm, const u8 *key,
789 				     unsigned int keylen)
790 {
791 	struct aead_tfm *crt = crypto_aead_crt(tfm);
792 
793 	return crt->setkey(crt->base, key, keylen);
794 }
795 
796 int crypto_aead_setauthsize(struct crypto_aead *tfm, unsigned int authsize);
797 
crypto_aead_reqtfm(struct aead_request * req)798 static inline struct crypto_aead *crypto_aead_reqtfm(struct aead_request *req)
799 {
800 	return __crypto_aead_cast(req->base.tfm);
801 }
802 
crypto_aead_encrypt(struct aead_request * req)803 static inline int crypto_aead_encrypt(struct aead_request *req)
804 {
805 	return crypto_aead_crt(crypto_aead_reqtfm(req))->encrypt(req);
806 }
807 
crypto_aead_decrypt(struct aead_request * req)808 static inline int crypto_aead_decrypt(struct aead_request *req)
809 {
810 	return crypto_aead_crt(crypto_aead_reqtfm(req))->decrypt(req);
811 }
812 
crypto_aead_reqsize(struct crypto_aead * tfm)813 static inline unsigned int crypto_aead_reqsize(struct crypto_aead *tfm)
814 {
815 	return crypto_aead_crt(tfm)->reqsize;
816 }
817 
aead_request_set_tfm(struct aead_request * req,struct crypto_aead * tfm)818 static inline void aead_request_set_tfm(struct aead_request *req,
819 					struct crypto_aead *tfm)
820 {
821 	req->base.tfm = crypto_aead_tfm(crypto_aead_crt(tfm)->base);
822 }
823 
aead_request_alloc(struct crypto_aead * tfm,gfp_t gfp)824 static inline struct aead_request *aead_request_alloc(struct crypto_aead *tfm,
825 						      gfp_t gfp)
826 {
827 	struct aead_request *req;
828 
829 	req = kmalloc(sizeof(*req) + crypto_aead_reqsize(tfm), gfp);
830 
831 	if (likely(req))
832 		aead_request_set_tfm(req, tfm);
833 
834 	return req;
835 }
836 
aead_request_free(struct aead_request * req)837 static inline void aead_request_free(struct aead_request *req)
838 {
839 	kzfree(req);
840 }
841 
aead_request_set_callback(struct aead_request * req,u32 flags,crypto_completion_t complete,void * data)842 static inline void aead_request_set_callback(struct aead_request *req,
843 					     u32 flags,
844 					     crypto_completion_t complete,
845 					     void *data)
846 {
847 	req->base.complete = complete;
848 	req->base.data = data;
849 	req->base.flags = flags;
850 }
851 
aead_request_set_crypt(struct aead_request * req,struct scatterlist * src,struct scatterlist * dst,unsigned int cryptlen,u8 * iv)852 static inline void aead_request_set_crypt(struct aead_request *req,
853 					  struct scatterlist *src,
854 					  struct scatterlist *dst,
855 					  unsigned int cryptlen, u8 *iv)
856 {
857 	req->src = src;
858 	req->dst = dst;
859 	req->cryptlen = cryptlen;
860 	req->iv = iv;
861 }
862 
aead_request_set_assoc(struct aead_request * req,struct scatterlist * assoc,unsigned int assoclen)863 static inline void aead_request_set_assoc(struct aead_request *req,
864 					  struct scatterlist *assoc,
865 					  unsigned int assoclen)
866 {
867 	req->assoc = assoc;
868 	req->assoclen = assoclen;
869 }
870 
__crypto_blkcipher_cast(struct crypto_tfm * tfm)871 static inline struct crypto_blkcipher *__crypto_blkcipher_cast(
872 	struct crypto_tfm *tfm)
873 {
874 	return (struct crypto_blkcipher *)tfm;
875 }
876 
crypto_blkcipher_cast(struct crypto_tfm * tfm)877 static inline struct crypto_blkcipher *crypto_blkcipher_cast(
878 	struct crypto_tfm *tfm)
879 {
880 	BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_BLKCIPHER);
881 	return __crypto_blkcipher_cast(tfm);
882 }
883 
crypto_alloc_blkcipher(const char * alg_name,u32 type,u32 mask)884 static inline struct crypto_blkcipher *crypto_alloc_blkcipher(
885 	const char *alg_name, u32 type, u32 mask)
886 {
887 	type &= ~CRYPTO_ALG_TYPE_MASK;
888 	type |= CRYPTO_ALG_TYPE_BLKCIPHER;
889 	mask |= CRYPTO_ALG_TYPE_MASK;
890 
891 	return __crypto_blkcipher_cast(crypto_alloc_base(alg_name, type, mask));
892 }
893 
crypto_blkcipher_tfm(struct crypto_blkcipher * tfm)894 static inline struct crypto_tfm *crypto_blkcipher_tfm(
895 	struct crypto_blkcipher *tfm)
896 {
897 	return &tfm->base;
898 }
899 
crypto_free_blkcipher(struct crypto_blkcipher * tfm)900 static inline void crypto_free_blkcipher(struct crypto_blkcipher *tfm)
901 {
902 	crypto_free_tfm(crypto_blkcipher_tfm(tfm));
903 }
904 
crypto_has_blkcipher(const char * alg_name,u32 type,u32 mask)905 static inline int crypto_has_blkcipher(const char *alg_name, u32 type, u32 mask)
906 {
907 	type &= ~CRYPTO_ALG_TYPE_MASK;
908 	type |= CRYPTO_ALG_TYPE_BLKCIPHER;
909 	mask |= CRYPTO_ALG_TYPE_MASK;
910 
911 	return crypto_has_alg(alg_name, type, mask);
912 }
913 
crypto_blkcipher_name(struct crypto_blkcipher * tfm)914 static inline const char *crypto_blkcipher_name(struct crypto_blkcipher *tfm)
915 {
916 	return crypto_tfm_alg_name(crypto_blkcipher_tfm(tfm));
917 }
918 
crypto_blkcipher_crt(struct crypto_blkcipher * tfm)919 static inline struct blkcipher_tfm *crypto_blkcipher_crt(
920 	struct crypto_blkcipher *tfm)
921 {
922 	return &crypto_blkcipher_tfm(tfm)->crt_blkcipher;
923 }
924 
crypto_blkcipher_alg(struct crypto_blkcipher * tfm)925 static inline struct blkcipher_alg *crypto_blkcipher_alg(
926 	struct crypto_blkcipher *tfm)
927 {
928 	return &crypto_blkcipher_tfm(tfm)->__crt_alg->cra_blkcipher;
929 }
930 
crypto_blkcipher_ivsize(struct crypto_blkcipher * tfm)931 static inline unsigned int crypto_blkcipher_ivsize(struct crypto_blkcipher *tfm)
932 {
933 	return crypto_blkcipher_alg(tfm)->ivsize;
934 }
935 
crypto_blkcipher_blocksize(struct crypto_blkcipher * tfm)936 static inline unsigned int crypto_blkcipher_blocksize(
937 	struct crypto_blkcipher *tfm)
938 {
939 	return crypto_tfm_alg_blocksize(crypto_blkcipher_tfm(tfm));
940 }
941 
crypto_blkcipher_alignmask(struct crypto_blkcipher * tfm)942 static inline unsigned int crypto_blkcipher_alignmask(
943 	struct crypto_blkcipher *tfm)
944 {
945 	return crypto_tfm_alg_alignmask(crypto_blkcipher_tfm(tfm));
946 }
947 
crypto_blkcipher_get_flags(struct crypto_blkcipher * tfm)948 static inline u32 crypto_blkcipher_get_flags(struct crypto_blkcipher *tfm)
949 {
950 	return crypto_tfm_get_flags(crypto_blkcipher_tfm(tfm));
951 }
952 
crypto_blkcipher_set_flags(struct crypto_blkcipher * tfm,u32 flags)953 static inline void crypto_blkcipher_set_flags(struct crypto_blkcipher *tfm,
954 					      u32 flags)
955 {
956 	crypto_tfm_set_flags(crypto_blkcipher_tfm(tfm), flags);
957 }
958 
crypto_blkcipher_clear_flags(struct crypto_blkcipher * tfm,u32 flags)959 static inline void crypto_blkcipher_clear_flags(struct crypto_blkcipher *tfm,
960 						u32 flags)
961 {
962 	crypto_tfm_clear_flags(crypto_blkcipher_tfm(tfm), flags);
963 }
964 
crypto_blkcipher_setkey(struct crypto_blkcipher * tfm,const u8 * key,unsigned int keylen)965 static inline int crypto_blkcipher_setkey(struct crypto_blkcipher *tfm,
966 					  const u8 *key, unsigned int keylen)
967 {
968 	return crypto_blkcipher_crt(tfm)->setkey(crypto_blkcipher_tfm(tfm),
969 						 key, keylen);
970 }
971 
crypto_blkcipher_encrypt(struct blkcipher_desc * desc,struct scatterlist * dst,struct scatterlist * src,unsigned int nbytes)972 static inline int crypto_blkcipher_encrypt(struct blkcipher_desc *desc,
973 					   struct scatterlist *dst,
974 					   struct scatterlist *src,
975 					   unsigned int nbytes)
976 {
977 	desc->info = crypto_blkcipher_crt(desc->tfm)->iv;
978 	return crypto_blkcipher_crt(desc->tfm)->encrypt(desc, dst, src, nbytes);
979 }
980 
crypto_blkcipher_encrypt_iv(struct blkcipher_desc * desc,struct scatterlist * dst,struct scatterlist * src,unsigned int nbytes)981 static inline int crypto_blkcipher_encrypt_iv(struct blkcipher_desc *desc,
982 					      struct scatterlist *dst,
983 					      struct scatterlist *src,
984 					      unsigned int nbytes)
985 {
986 	return crypto_blkcipher_crt(desc->tfm)->encrypt(desc, dst, src, nbytes);
987 }
988 
crypto_blkcipher_decrypt(struct blkcipher_desc * desc,struct scatterlist * dst,struct scatterlist * src,unsigned int nbytes)989 static inline int crypto_blkcipher_decrypt(struct blkcipher_desc *desc,
990 					   struct scatterlist *dst,
991 					   struct scatterlist *src,
992 					   unsigned int nbytes)
993 {
994 	desc->info = crypto_blkcipher_crt(desc->tfm)->iv;
995 	return crypto_blkcipher_crt(desc->tfm)->decrypt(desc, dst, src, nbytes);
996 }
997 
crypto_blkcipher_decrypt_iv(struct blkcipher_desc * desc,struct scatterlist * dst,struct scatterlist * src,unsigned int nbytes)998 static inline int crypto_blkcipher_decrypt_iv(struct blkcipher_desc *desc,
999 					      struct scatterlist *dst,
1000 					      struct scatterlist *src,
1001 					      unsigned int nbytes)
1002 {
1003 	return crypto_blkcipher_crt(desc->tfm)->decrypt(desc, dst, src, nbytes);
1004 }
1005 
crypto_blkcipher_set_iv(struct crypto_blkcipher * tfm,const u8 * src,unsigned int len)1006 static inline void crypto_blkcipher_set_iv(struct crypto_blkcipher *tfm,
1007 					   const u8 *src, unsigned int len)
1008 {
1009 	memcpy(crypto_blkcipher_crt(tfm)->iv, src, len);
1010 }
1011 
crypto_blkcipher_get_iv(struct crypto_blkcipher * tfm,u8 * dst,unsigned int len)1012 static inline void crypto_blkcipher_get_iv(struct crypto_blkcipher *tfm,
1013 					   u8 *dst, unsigned int len)
1014 {
1015 	memcpy(dst, crypto_blkcipher_crt(tfm)->iv, len);
1016 }
1017 
__crypto_cipher_cast(struct crypto_tfm * tfm)1018 static inline struct crypto_cipher *__crypto_cipher_cast(struct crypto_tfm *tfm)
1019 {
1020 	return (struct crypto_cipher *)tfm;
1021 }
1022 
crypto_cipher_cast(struct crypto_tfm * tfm)1023 static inline struct crypto_cipher *crypto_cipher_cast(struct crypto_tfm *tfm)
1024 {
1025 	BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_CIPHER);
1026 	return __crypto_cipher_cast(tfm);
1027 }
1028 
crypto_alloc_cipher(const char * alg_name,u32 type,u32 mask)1029 static inline struct crypto_cipher *crypto_alloc_cipher(const char *alg_name,
1030 							u32 type, u32 mask)
1031 {
1032 	type &= ~CRYPTO_ALG_TYPE_MASK;
1033 	type |= CRYPTO_ALG_TYPE_CIPHER;
1034 	mask |= CRYPTO_ALG_TYPE_MASK;
1035 
1036 	return __crypto_cipher_cast(crypto_alloc_base(alg_name, type, mask));
1037 }
1038 
crypto_cipher_tfm(struct crypto_cipher * tfm)1039 static inline struct crypto_tfm *crypto_cipher_tfm(struct crypto_cipher *tfm)
1040 {
1041 	return &tfm->base;
1042 }
1043 
crypto_free_cipher(struct crypto_cipher * tfm)1044 static inline void crypto_free_cipher(struct crypto_cipher *tfm)
1045 {
1046 	crypto_free_tfm(crypto_cipher_tfm(tfm));
1047 }
1048 
crypto_has_cipher(const char * alg_name,u32 type,u32 mask)1049 static inline int crypto_has_cipher(const char *alg_name, u32 type, u32 mask)
1050 {
1051 	type &= ~CRYPTO_ALG_TYPE_MASK;
1052 	type |= CRYPTO_ALG_TYPE_CIPHER;
1053 	mask |= CRYPTO_ALG_TYPE_MASK;
1054 
1055 	return crypto_has_alg(alg_name, type, mask);
1056 }
1057 
crypto_cipher_crt(struct crypto_cipher * tfm)1058 static inline struct cipher_tfm *crypto_cipher_crt(struct crypto_cipher *tfm)
1059 {
1060 	return &crypto_cipher_tfm(tfm)->crt_cipher;
1061 }
1062 
crypto_cipher_blocksize(struct crypto_cipher * tfm)1063 static inline unsigned int crypto_cipher_blocksize(struct crypto_cipher *tfm)
1064 {
1065 	return crypto_tfm_alg_blocksize(crypto_cipher_tfm(tfm));
1066 }
1067 
crypto_cipher_alignmask(struct crypto_cipher * tfm)1068 static inline unsigned int crypto_cipher_alignmask(struct crypto_cipher *tfm)
1069 {
1070 	return crypto_tfm_alg_alignmask(crypto_cipher_tfm(tfm));
1071 }
1072 
crypto_cipher_get_flags(struct crypto_cipher * tfm)1073 static inline u32 crypto_cipher_get_flags(struct crypto_cipher *tfm)
1074 {
1075 	return crypto_tfm_get_flags(crypto_cipher_tfm(tfm));
1076 }
1077 
crypto_cipher_set_flags(struct crypto_cipher * tfm,u32 flags)1078 static inline void crypto_cipher_set_flags(struct crypto_cipher *tfm,
1079 					   u32 flags)
1080 {
1081 	crypto_tfm_set_flags(crypto_cipher_tfm(tfm), flags);
1082 }
1083 
crypto_cipher_clear_flags(struct crypto_cipher * tfm,u32 flags)1084 static inline void crypto_cipher_clear_flags(struct crypto_cipher *tfm,
1085 					     u32 flags)
1086 {
1087 	crypto_tfm_clear_flags(crypto_cipher_tfm(tfm), flags);
1088 }
1089 
crypto_cipher_setkey(struct crypto_cipher * tfm,const u8 * key,unsigned int keylen)1090 static inline int crypto_cipher_setkey(struct crypto_cipher *tfm,
1091                                        const u8 *key, unsigned int keylen)
1092 {
1093 	return crypto_cipher_crt(tfm)->cit_setkey(crypto_cipher_tfm(tfm),
1094 						  key, keylen);
1095 }
1096 
crypto_cipher_encrypt_one(struct crypto_cipher * tfm,u8 * dst,const u8 * src)1097 static inline void crypto_cipher_encrypt_one(struct crypto_cipher *tfm,
1098 					     u8 *dst, const u8 *src)
1099 {
1100 	crypto_cipher_crt(tfm)->cit_encrypt_one(crypto_cipher_tfm(tfm),
1101 						dst, src);
1102 }
1103 
crypto_cipher_decrypt_one(struct crypto_cipher * tfm,u8 * dst,const u8 * src)1104 static inline void crypto_cipher_decrypt_one(struct crypto_cipher *tfm,
1105 					     u8 *dst, const u8 *src)
1106 {
1107 	crypto_cipher_crt(tfm)->cit_decrypt_one(crypto_cipher_tfm(tfm),
1108 						dst, src);
1109 }
1110 
__crypto_hash_cast(struct crypto_tfm * tfm)1111 static inline struct crypto_hash *__crypto_hash_cast(struct crypto_tfm *tfm)
1112 {
1113 	return (struct crypto_hash *)tfm;
1114 }
1115 
crypto_hash_cast(struct crypto_tfm * tfm)1116 static inline struct crypto_hash *crypto_hash_cast(struct crypto_tfm *tfm)
1117 {
1118 	BUG_ON((crypto_tfm_alg_type(tfm) ^ CRYPTO_ALG_TYPE_HASH) &
1119 	       CRYPTO_ALG_TYPE_HASH_MASK);
1120 	return __crypto_hash_cast(tfm);
1121 }
1122 
crypto_alloc_hash(const char * alg_name,u32 type,u32 mask)1123 static inline struct crypto_hash *crypto_alloc_hash(const char *alg_name,
1124 						    u32 type, u32 mask)
1125 {
1126 	type &= ~CRYPTO_ALG_TYPE_MASK;
1127 	mask &= ~CRYPTO_ALG_TYPE_MASK;
1128 	type |= CRYPTO_ALG_TYPE_HASH;
1129 	mask |= CRYPTO_ALG_TYPE_HASH_MASK;
1130 
1131 	return __crypto_hash_cast(crypto_alloc_base(alg_name, type, mask));
1132 }
1133 
crypto_hash_tfm(struct crypto_hash * tfm)1134 static inline struct crypto_tfm *crypto_hash_tfm(struct crypto_hash *tfm)
1135 {
1136 	return &tfm->base;
1137 }
1138 
crypto_free_hash(struct crypto_hash * tfm)1139 static inline void crypto_free_hash(struct crypto_hash *tfm)
1140 {
1141 	crypto_free_tfm(crypto_hash_tfm(tfm));
1142 }
1143 
crypto_has_hash(const char * alg_name,u32 type,u32 mask)1144 static inline int crypto_has_hash(const char *alg_name, u32 type, u32 mask)
1145 {
1146 	type &= ~CRYPTO_ALG_TYPE_MASK;
1147 	mask &= ~CRYPTO_ALG_TYPE_MASK;
1148 	type |= CRYPTO_ALG_TYPE_HASH;
1149 	mask |= CRYPTO_ALG_TYPE_HASH_MASK;
1150 
1151 	return crypto_has_alg(alg_name, type, mask);
1152 }
1153 
crypto_hash_crt(struct crypto_hash * tfm)1154 static inline struct hash_tfm *crypto_hash_crt(struct crypto_hash *tfm)
1155 {
1156 	return &crypto_hash_tfm(tfm)->crt_hash;
1157 }
1158 
crypto_hash_blocksize(struct crypto_hash * tfm)1159 static inline unsigned int crypto_hash_blocksize(struct crypto_hash *tfm)
1160 {
1161 	return crypto_tfm_alg_blocksize(crypto_hash_tfm(tfm));
1162 }
1163 
crypto_hash_alignmask(struct crypto_hash * tfm)1164 static inline unsigned int crypto_hash_alignmask(struct crypto_hash *tfm)
1165 {
1166 	return crypto_tfm_alg_alignmask(crypto_hash_tfm(tfm));
1167 }
1168 
crypto_hash_digestsize(struct crypto_hash * tfm)1169 static inline unsigned int crypto_hash_digestsize(struct crypto_hash *tfm)
1170 {
1171 	return crypto_hash_crt(tfm)->digestsize;
1172 }
1173 
crypto_hash_get_flags(struct crypto_hash * tfm)1174 static inline u32 crypto_hash_get_flags(struct crypto_hash *tfm)
1175 {
1176 	return crypto_tfm_get_flags(crypto_hash_tfm(tfm));
1177 }
1178 
crypto_hash_set_flags(struct crypto_hash * tfm,u32 flags)1179 static inline void crypto_hash_set_flags(struct crypto_hash *tfm, u32 flags)
1180 {
1181 	crypto_tfm_set_flags(crypto_hash_tfm(tfm), flags);
1182 }
1183 
crypto_hash_clear_flags(struct crypto_hash * tfm,u32 flags)1184 static inline void crypto_hash_clear_flags(struct crypto_hash *tfm, u32 flags)
1185 {
1186 	crypto_tfm_clear_flags(crypto_hash_tfm(tfm), flags);
1187 }
1188 
crypto_hash_init(struct hash_desc * desc)1189 static inline int crypto_hash_init(struct hash_desc *desc)
1190 {
1191 	return crypto_hash_crt(desc->tfm)->init(desc);
1192 }
1193 
crypto_hash_update(struct hash_desc * desc,struct scatterlist * sg,unsigned int nbytes)1194 static inline int crypto_hash_update(struct hash_desc *desc,
1195 				     struct scatterlist *sg,
1196 				     unsigned int nbytes)
1197 {
1198 	return crypto_hash_crt(desc->tfm)->update(desc, sg, nbytes);
1199 }
1200 
crypto_hash_final(struct hash_desc * desc,u8 * out)1201 static inline int crypto_hash_final(struct hash_desc *desc, u8 *out)
1202 {
1203 	return crypto_hash_crt(desc->tfm)->final(desc, out);
1204 }
1205 
crypto_hash_digest(struct hash_desc * desc,struct scatterlist * sg,unsigned int nbytes,u8 * out)1206 static inline int crypto_hash_digest(struct hash_desc *desc,
1207 				     struct scatterlist *sg,
1208 				     unsigned int nbytes, u8 *out)
1209 {
1210 	return crypto_hash_crt(desc->tfm)->digest(desc, sg, nbytes, out);
1211 }
1212 
crypto_hash_setkey(struct crypto_hash * hash,const u8 * key,unsigned int keylen)1213 static inline int crypto_hash_setkey(struct crypto_hash *hash,
1214 				     const u8 *key, unsigned int keylen)
1215 {
1216 	return crypto_hash_crt(hash)->setkey(hash, key, keylen);
1217 }
1218 
__crypto_comp_cast(struct crypto_tfm * tfm)1219 static inline struct crypto_comp *__crypto_comp_cast(struct crypto_tfm *tfm)
1220 {
1221 	return (struct crypto_comp *)tfm;
1222 }
1223 
crypto_comp_cast(struct crypto_tfm * tfm)1224 static inline struct crypto_comp *crypto_comp_cast(struct crypto_tfm *tfm)
1225 {
1226 	BUG_ON((crypto_tfm_alg_type(tfm) ^ CRYPTO_ALG_TYPE_COMPRESS) &
1227 	       CRYPTO_ALG_TYPE_MASK);
1228 	return __crypto_comp_cast(tfm);
1229 }
1230 
crypto_alloc_comp(const char * alg_name,u32 type,u32 mask)1231 static inline struct crypto_comp *crypto_alloc_comp(const char *alg_name,
1232 						    u32 type, u32 mask)
1233 {
1234 	type &= ~CRYPTO_ALG_TYPE_MASK;
1235 	type |= CRYPTO_ALG_TYPE_COMPRESS;
1236 	mask |= CRYPTO_ALG_TYPE_MASK;
1237 
1238 	return __crypto_comp_cast(crypto_alloc_base(alg_name, type, mask));
1239 }
1240 
crypto_comp_tfm(struct crypto_comp * tfm)1241 static inline struct crypto_tfm *crypto_comp_tfm(struct crypto_comp *tfm)
1242 {
1243 	return &tfm->base;
1244 }
1245 
crypto_free_comp(struct crypto_comp * tfm)1246 static inline void crypto_free_comp(struct crypto_comp *tfm)
1247 {
1248 	crypto_free_tfm(crypto_comp_tfm(tfm));
1249 }
1250 
crypto_has_comp(const char * alg_name,u32 type,u32 mask)1251 static inline int crypto_has_comp(const char *alg_name, u32 type, u32 mask)
1252 {
1253 	type &= ~CRYPTO_ALG_TYPE_MASK;
1254 	type |= CRYPTO_ALG_TYPE_COMPRESS;
1255 	mask |= CRYPTO_ALG_TYPE_MASK;
1256 
1257 	return crypto_has_alg(alg_name, type, mask);
1258 }
1259 
crypto_comp_name(struct crypto_comp * tfm)1260 static inline const char *crypto_comp_name(struct crypto_comp *tfm)
1261 {
1262 	return crypto_tfm_alg_name(crypto_comp_tfm(tfm));
1263 }
1264 
crypto_comp_crt(struct crypto_comp * tfm)1265 static inline struct compress_tfm *crypto_comp_crt(struct crypto_comp *tfm)
1266 {
1267 	return &crypto_comp_tfm(tfm)->crt_compress;
1268 }
1269 
crypto_comp_compress(struct crypto_comp * tfm,const u8 * src,unsigned int slen,u8 * dst,unsigned int * dlen)1270 static inline int crypto_comp_compress(struct crypto_comp *tfm,
1271                                        const u8 *src, unsigned int slen,
1272                                        u8 *dst, unsigned int *dlen)
1273 {
1274 	return crypto_comp_crt(tfm)->cot_compress(crypto_comp_tfm(tfm),
1275 						  src, slen, dst, dlen);
1276 }
1277 
crypto_comp_decompress(struct crypto_comp * tfm,const u8 * src,unsigned int slen,u8 * dst,unsigned int * dlen)1278 static inline int crypto_comp_decompress(struct crypto_comp *tfm,
1279                                          const u8 *src, unsigned int slen,
1280                                          u8 *dst, unsigned int *dlen)
1281 {
1282 	return crypto_comp_crt(tfm)->cot_decompress(crypto_comp_tfm(tfm),
1283 						    src, slen, dst, dlen);
1284 }
1285 
1286 #endif	/* _LINUX_CRYPTO_H */
1287 
1288