xref: /openbmc/linux/include/crypto/cryptd.h (revision 298c926c)
1 /*
2  * Software async crypto daemon
3  *
4  * Added AEAD support to cryptd.
5  *    Authors: Tadeusz Struk (tadeusz.struk@intel.com)
6  *             Adrian Hoban <adrian.hoban@intel.com>
7  *             Gabriele Paoloni <gabriele.paoloni@intel.com>
8  *             Aidan O'Mahony (aidan.o.mahony@intel.com)
9  *    Copyright (c) 2010, Intel Corporation.
10  */
11 
12 #ifndef _CRYPTO_CRYPT_H
13 #define _CRYPTO_CRYPT_H
14 
15 #include <linux/crypto.h>
16 #include <linux/kernel.h>
17 #include <crypto/hash.h>
18 
19 struct cryptd_ablkcipher {
20 	struct crypto_ablkcipher base;
21 };
22 
23 static inline struct cryptd_ablkcipher *__cryptd_ablkcipher_cast(
24 	struct crypto_ablkcipher *tfm)
25 {
26 	return (struct cryptd_ablkcipher *)tfm;
27 }
28 
29 /* alg_name should be algorithm to be cryptd-ed */
30 struct cryptd_ablkcipher *cryptd_alloc_ablkcipher(const char *alg_name,
31 						  u32 type, u32 mask);
32 struct crypto_blkcipher *cryptd_ablkcipher_child(struct cryptd_ablkcipher *tfm);
33 void cryptd_free_ablkcipher(struct cryptd_ablkcipher *tfm);
34 
35 struct cryptd_ahash {
36 	struct crypto_ahash base;
37 };
38 
39 static inline struct cryptd_ahash *__cryptd_ahash_cast(
40 	struct crypto_ahash *tfm)
41 {
42 	return (struct cryptd_ahash *)tfm;
43 }
44 
45 /* alg_name should be algorithm to be cryptd-ed */
46 struct cryptd_ahash *cryptd_alloc_ahash(const char *alg_name,
47 					u32 type, u32 mask);
48 struct crypto_shash *cryptd_ahash_child(struct cryptd_ahash *tfm);
49 struct shash_desc *cryptd_shash_desc(struct ahash_request *req);
50 void cryptd_free_ahash(struct cryptd_ahash *tfm);
51 
52 struct cryptd_aead {
53 	struct crypto_aead base;
54 };
55 
56 static inline struct cryptd_aead *__cryptd_aead_cast(
57 	struct crypto_aead *tfm)
58 {
59 	return (struct cryptd_aead *)tfm;
60 }
61 
62 struct cryptd_aead *cryptd_alloc_aead(const char *alg_name,
63 					  u32 type, u32 mask);
64 
65 struct crypto_aead *cryptd_aead_child(struct cryptd_aead *tfm);
66 
67 void cryptd_free_aead(struct cryptd_aead *tfm);
68 
69 #endif
70