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133 lines
3.3 KiB
133 lines
3.3 KiB
/* SPDX-License-Identifier: GPL-2.0-or-later */ |
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/* |
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* Public Key Encryption |
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* |
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* Copyright (c) 2015, Intel Corporation |
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* Authors: Tadeusz Struk <[email protected]> |
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*/ |
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#ifndef _CRYPTO_AKCIPHER_INT_H |
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#define _CRYPTO_AKCIPHER_INT_H |
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#include <crypto/akcipher.h> |
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#include <crypto/algapi.h> |
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struct akcipher_instance { |
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void (*free)(struct akcipher_instance *inst); |
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union { |
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struct { |
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char head[offsetof(struct akcipher_alg, base)]; |
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struct crypto_instance base; |
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} s; |
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struct akcipher_alg alg; |
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}; |
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}; |
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struct crypto_akcipher_spawn { |
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struct crypto_spawn base; |
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}; |
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/* |
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* Transform internal helpers. |
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*/ |
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static inline void *akcipher_request_ctx(struct akcipher_request *req) |
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{ |
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return req->__ctx; |
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} |
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static inline void akcipher_set_reqsize(struct crypto_akcipher *akcipher, |
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unsigned int reqsize) |
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{ |
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crypto_akcipher_alg(akcipher)->reqsize = reqsize; |
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} |
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static inline void *akcipher_tfm_ctx(struct crypto_akcipher *tfm) |
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{ |
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return tfm->base.__crt_ctx; |
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} |
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static inline void akcipher_request_complete(struct akcipher_request *req, |
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int err) |
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{ |
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req->base.complete(&req->base, err); |
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} |
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static inline const char *akcipher_alg_name(struct crypto_akcipher *tfm) |
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{ |
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return crypto_akcipher_tfm(tfm)->__crt_alg->cra_name; |
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} |
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static inline struct crypto_instance *akcipher_crypto_instance( |
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struct akcipher_instance *inst) |
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{ |
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return container_of(&inst->alg.base, struct crypto_instance, alg); |
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} |
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static inline struct akcipher_instance *akcipher_instance( |
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struct crypto_instance *inst) |
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{ |
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return container_of(&inst->alg, struct akcipher_instance, alg.base); |
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} |
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static inline struct akcipher_instance *akcipher_alg_instance( |
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struct crypto_akcipher *akcipher) |
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{ |
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return akcipher_instance(crypto_tfm_alg_instance(&akcipher->base)); |
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} |
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static inline void *akcipher_instance_ctx(struct akcipher_instance *inst) |
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{ |
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return crypto_instance_ctx(akcipher_crypto_instance(inst)); |
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} |
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int crypto_grab_akcipher(struct crypto_akcipher_spawn *spawn, |
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struct crypto_instance *inst, |
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const char *name, u32 type, u32 mask); |
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static inline struct crypto_akcipher *crypto_spawn_akcipher( |
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struct crypto_akcipher_spawn *spawn) |
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{ |
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return crypto_spawn_tfm2(&spawn->base); |
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} |
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static inline void crypto_drop_akcipher(struct crypto_akcipher_spawn *spawn) |
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{ |
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crypto_drop_spawn(&spawn->base); |
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} |
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static inline struct akcipher_alg *crypto_spawn_akcipher_alg( |
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struct crypto_akcipher_spawn *spawn) |
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{ |
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return container_of(spawn->base.alg, struct akcipher_alg, base); |
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} |
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/** |
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* crypto_register_akcipher() -- Register public key algorithm |
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* |
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* Function registers an implementation of a public key verify algorithm |
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* |
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* @alg: algorithm definition |
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* |
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* Return: zero on success; error code in case of error |
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*/ |
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int crypto_register_akcipher(struct akcipher_alg *alg); |
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/** |
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* crypto_unregister_akcipher() -- Unregister public key algorithm |
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* |
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* Function unregisters an implementation of a public key verify algorithm |
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* |
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* @alg: algorithm definition |
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*/ |
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void crypto_unregister_akcipher(struct akcipher_alg *alg); |
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/** |
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* akcipher_register_instance() -- Unregister public key template instance |
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* |
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* Function registers an implementation of an asymmetric key algorithm |
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* created from a template |
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* |
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* @tmpl: the template from which the algorithm was created |
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* @inst: the template instance |
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*/ |
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int akcipher_register_instance(struct crypto_template *tmpl, |
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struct akcipher_instance *inst); |
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#endif
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