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