]>
Commit | Line | Data |
---|---|---|
2874c5fd | 1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
3c339ab8 TS |
2 | /* |
3 | * Public Key Encryption | |
4 | * | |
5 | * Copyright (c) 2015, Intel Corporation | |
6 | * Authors: Tadeusz Struk <tadeusz.struk@intel.com> | |
3c339ab8 TS |
7 | */ |
8 | #ifndef _CRYPTO_AKCIPHER_INT_H | |
9 | #define _CRYPTO_AKCIPHER_INT_H | |
10 | #include <crypto/akcipher.h> | |
28a4618a AZ |
11 | #include <crypto/algapi.h> |
12 | ||
13 | struct akcipher_instance { | |
14 | void (*free)(struct akcipher_instance *inst); | |
15 | union { | |
16 | struct { | |
17 | char head[offsetof(struct akcipher_alg, base)]; | |
18 | struct crypto_instance base; | |
19 | } s; | |
20 | struct akcipher_alg alg; | |
21 | }; | |
22 | }; | |
23 | ||
24 | struct crypto_akcipher_spawn { | |
25 | struct crypto_spawn base; | |
26 | }; | |
3c339ab8 TS |
27 | |
28 | /* | |
29 | * Transform internal helpers. | |
30 | */ | |
31 | static inline void *akcipher_request_ctx(struct akcipher_request *req) | |
32 | { | |
33 | return req->__ctx; | |
34 | } | |
35 | ||
333706b8 GH |
36 | static inline void akcipher_set_reqsize(struct crypto_akcipher *akcipher, |
37 | unsigned int reqsize) | |
38 | { | |
39 | crypto_akcipher_alg(akcipher)->reqsize = reqsize; | |
40 | } | |
41 | ||
3c339ab8 TS |
42 | static inline void *akcipher_tfm_ctx(struct crypto_akcipher *tfm) |
43 | { | |
44 | return tfm->base.__crt_ctx; | |
45 | } | |
46 | ||
47 | static inline void akcipher_request_complete(struct akcipher_request *req, | |
48 | int err) | |
49 | { | |
50 | req->base.complete(&req->base, err); | |
51 | } | |
52 | ||
53 | static inline const char *akcipher_alg_name(struct crypto_akcipher *tfm) | |
54 | { | |
55 | return crypto_akcipher_tfm(tfm)->__crt_alg->cra_name; | |
56 | } | |
57 | ||
28a4618a AZ |
58 | static inline struct crypto_instance *akcipher_crypto_instance( |
59 | struct akcipher_instance *inst) | |
60 | { | |
61 | return container_of(&inst->alg.base, struct crypto_instance, alg); | |
62 | } | |
63 | ||
64 | static inline struct akcipher_instance *akcipher_instance( | |
65 | struct crypto_instance *inst) | |
66 | { | |
67 | return container_of(&inst->alg, struct akcipher_instance, alg.base); | |
68 | } | |
69 | ||
70 | static inline struct akcipher_instance *akcipher_alg_instance( | |
71 | struct crypto_akcipher *akcipher) | |
72 | { | |
73 | return akcipher_instance(crypto_tfm_alg_instance(&akcipher->base)); | |
74 | } | |
75 | ||
76 | static inline void *akcipher_instance_ctx(struct akcipher_instance *inst) | |
77 | { | |
78 | return crypto_instance_ctx(akcipher_crypto_instance(inst)); | |
79 | } | |
80 | ||
81 | static inline void crypto_set_akcipher_spawn( | |
82 | struct crypto_akcipher_spawn *spawn, | |
83 | struct crypto_instance *inst) | |
84 | { | |
85 | crypto_set_spawn(&spawn->base, inst); | |
86 | } | |
87 | ||
88 | int crypto_grab_akcipher(struct crypto_akcipher_spawn *spawn, const char *name, | |
89 | u32 type, u32 mask); | |
90 | ||
91 | static inline struct crypto_akcipher *crypto_spawn_akcipher( | |
92 | struct crypto_akcipher_spawn *spawn) | |
93 | { | |
94 | return crypto_spawn_tfm2(&spawn->base); | |
95 | } | |
96 | ||
97 | static inline void crypto_drop_akcipher(struct crypto_akcipher_spawn *spawn) | |
98 | { | |
99 | crypto_drop_spawn(&spawn->base); | |
100 | } | |
101 | ||
102 | static inline struct akcipher_alg *crypto_spawn_akcipher_alg( | |
103 | struct crypto_akcipher_spawn *spawn) | |
104 | { | |
105 | return container_of(spawn->base.alg, struct akcipher_alg, base); | |
106 | } | |
107 | ||
3c339ab8 TS |
108 | /** |
109 | * crypto_register_akcipher() -- Register public key algorithm | |
110 | * | |
111 | * Function registers an implementation of a public key verify algorithm | |
112 | * | |
113 | * @alg: algorithm definition | |
114 | * | |
115 | * Return: zero on success; error code in case of error | |
116 | */ | |
117 | int crypto_register_akcipher(struct akcipher_alg *alg); | |
118 | ||
119 | /** | |
120 | * crypto_unregister_akcipher() -- Unregister public key algorithm | |
121 | * | |
122 | * Function unregisters an implementation of a public key verify algorithm | |
123 | * | |
124 | * @alg: algorithm definition | |
125 | */ | |
126 | void crypto_unregister_akcipher(struct akcipher_alg *alg); | |
28a4618a AZ |
127 | |
128 | /** | |
129 | * akcipher_register_instance() -- Unregister public key template instance | |
130 | * | |
131 | * Function registers an implementation of an asymmetric key algorithm | |
132 | * created from a template | |
133 | * | |
134 | * @tmpl: the template from which the algorithm was created | |
135 | * @inst: the template instance | |
136 | */ | |
137 | int akcipher_register_instance(struct crypto_template *tmpl, | |
138 | struct akcipher_instance *inst); | |
3c339ab8 | 139 | #endif |