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Based on 1 normalized pattern(s): this program is free software you can redistribute it and or modify it under the terms of the gnu general public license as published by the free software foundation either version 2 of the license or at your option any later version extracted by the scancode license scanner the SPDX license identifier GPL-2.0-or-later has been chosen to replace the boilerplate/reference in 3029 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190527070032.746973796@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
140 lines
3.4 KiB
C
140 lines
3.4 KiB
C
/* 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 <tadeusz.struk@intel.com>
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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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static inline void crypto_set_akcipher_spawn(
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struct crypto_akcipher_spawn *spawn,
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struct crypto_instance *inst)
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{
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crypto_set_spawn(&spawn->base, inst);
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}
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int crypto_grab_akcipher(struct crypto_akcipher_spawn *spawn, const char *name,
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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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