projects / mirror_ubuntu-bionic-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| 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 | ||
| 333706b8 GH |
41 | static inline void akcipher_set_reqsize(struct crypto_akcipher *akcipher, |
| 42 | unsigned int reqsize) | |
| 43 | { | |
| 44 | crypto_akcipher_alg(akcipher)->reqsize = reqsize; | |
| 45 | } | |
| 46 | ||
| 3c339ab8 TS |
47 | static inline void *akcipher_tfm_ctx(struct crypto_akcipher *tfm) |
| 48 | { | |
| 49 | return tfm->base.__crt_ctx; | |
| 50 | } | |
| 51 | ||
| 52 | static inline void akcipher_request_complete(struct akcipher_request *req, | |
| 53 | int err) | |
| 54 | { | |
| 55 | req->base.complete(&req->base, err); | |
| 56 | } | |
| 57 | ||
| 58 | static inline const char *akcipher_alg_name(struct crypto_akcipher *tfm) | |
| 59 | { | |
| 60 | return crypto_akcipher_tfm(tfm)->__crt_alg->cra_name; | |
| 61 | } | |
| 62 | ||
| 28a4618a AZ |
63 | static inline struct crypto_instance *akcipher_crypto_instance( |
| 64 | struct akcipher_instance *inst) | |
| 65 | { | |
| 66 | return container_of(&inst->alg.base, struct crypto_instance, alg); | |
| 67 | } | |
| 68 | ||
| 69 | static inline struct akcipher_instance *akcipher_instance( | |
| 70 | struct crypto_instance *inst) | |
| 71 | { | |
| 72 | return container_of(&inst->alg, struct akcipher_instance, alg.base); | |
| 73 | } | |
| 74 | ||
| 75 | static inline struct akcipher_instance *akcipher_alg_instance( | |
| 76 | struct crypto_akcipher *akcipher) | |
| 77 | { | |
| 78 | return akcipher_instance(crypto_tfm_alg_instance(&akcipher->base)); | |
| 79 | } | |
| 80 | ||
| 81 | static inline void *akcipher_instance_ctx(struct akcipher_instance *inst) | |
| 82 | { | |
| 83 | return crypto_instance_ctx(akcipher_crypto_instance(inst)); | |
| 84 | } | |
| 85 | ||
| 86 | static inline void crypto_set_akcipher_spawn( | |
| 87 | struct crypto_akcipher_spawn *spawn, | |
| 88 | struct crypto_instance *inst) | |
| 89 | { | |
| 90 | crypto_set_spawn(&spawn->base, inst); | |
| 91 | } | |
| 92 | ||
| 93 | int crypto_grab_akcipher(struct crypto_akcipher_spawn *spawn, const char *name, | |
| 94 | u32 type, u32 mask); | |
| 95 | ||
| 96 | static inline struct crypto_akcipher *crypto_spawn_akcipher( | |
| 97 | struct crypto_akcipher_spawn *spawn) | |
| 98 | { | |
| 99 | return crypto_spawn_tfm2(&spawn->base); | |
| 100 | } | |
| 101 | ||
| 102 | static inline void crypto_drop_akcipher(struct crypto_akcipher_spawn *spawn) | |
| 103 | { | |
| 104 | crypto_drop_spawn(&spawn->base); | |
| 105 | } | |
| 106 | ||
| 107 | static inline struct akcipher_alg *crypto_spawn_akcipher_alg( | |
| 108 | struct crypto_akcipher_spawn *spawn) | |
| 109 | { | |
| 110 | return container_of(spawn->base.alg, struct akcipher_alg, base); | |
| 111 | } | |
| 112 | ||
| 3c339ab8 TS |
113 | /** |
| 114 | * crypto_register_akcipher() -- Register public key algorithm | |
| 115 | * | |
| 116 | * Function registers an implementation of a public key verify algorithm | |
| 117 | * | |
| 118 | * @alg: algorithm definition | |
| 119 | * | |
| 120 | * Return: zero on success; error code in case of error | |
| 121 | */ | |
| 122 | int crypto_register_akcipher(struct akcipher_alg *alg); | |
| 123 | ||
| 124 | /** | |
| 125 | * crypto_unregister_akcipher() -- Unregister public key algorithm | |
| 126 | * | |
| 127 | * Function unregisters an implementation of a public key verify algorithm | |
| 128 | * | |
| 129 | * @alg: algorithm definition | |
| 130 | */ | |
| 131 | void crypto_unregister_akcipher(struct akcipher_alg *alg); | |
| 28a4618a AZ |
132 | |
| 133 | /** | |
| 134 | * akcipher_register_instance() -- Unregister public key template instance | |
| 135 | * | |
| 136 | * Function registers an implementation of an asymmetric key algorithm | |
| 137 | * created from a template | |
| 138 | * | |
| 139 | * @tmpl: the template from which the algorithm was created | |
| 140 | * @inst: the template instance | |
| 141 | */ | |
| 142 | int akcipher_register_instance(struct crypto_template *tmpl, | |
| 143 | struct akcipher_instance *inst); | |
| 3c339ab8 | 144 | #endif |