xref: /openbmc/linux/include/crypto/cryptd.h (revision 9cfc5c90)
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/aead.h>
18 #include <crypto/hash.h>
19 
20 struct cryptd_ablkcipher {
21 	struct crypto_ablkcipher base;
22 };
23 
24 static inline struct cryptd_ablkcipher *__cryptd_ablkcipher_cast(
25 	struct crypto_ablkcipher *tfm)
26 {
27 	return (struct cryptd_ablkcipher *)tfm;
28 }
29 
30 /* alg_name should be algorithm to be cryptd-ed */
31 struct cryptd_ablkcipher *cryptd_alloc_ablkcipher(const char *alg_name,
32 						  u32 type, u32 mask);
33 struct crypto_blkcipher *cryptd_ablkcipher_child(struct cryptd_ablkcipher *tfm);
34 void cryptd_free_ablkcipher(struct cryptd_ablkcipher *tfm);
35 
36 struct cryptd_ahash {
37 	struct crypto_ahash base;
38 };
39 
40 static inline struct cryptd_ahash *__cryptd_ahash_cast(
41 	struct crypto_ahash *tfm)
42 {
43 	return (struct cryptd_ahash *)tfm;
44 }
45 
46 /* alg_name should be algorithm to be cryptd-ed */
47 struct cryptd_ahash *cryptd_alloc_ahash(const char *alg_name,
48 					u32 type, u32 mask);
49 struct crypto_shash *cryptd_ahash_child(struct cryptd_ahash *tfm);
50 struct shash_desc *cryptd_shash_desc(struct ahash_request *req);
51 void cryptd_free_ahash(struct cryptd_ahash *tfm);
52 
53 struct cryptd_aead {
54 	struct crypto_aead base;
55 };
56 
57 static inline struct cryptd_aead *__cryptd_aead_cast(
58 	struct crypto_aead *tfm)
59 {
60 	return (struct cryptd_aead *)tfm;
61 }
62 
63 struct cryptd_aead *cryptd_alloc_aead(const char *alg_name,
64 					  u32 type, u32 mask);
65 
66 struct crypto_aead *cryptd_aead_child(struct cryptd_aead *tfm);
67 
68 void cryptd_free_aead(struct cryptd_aead *tfm);
69 
70 #endif
71