cregit-Linux how code gets into the kernel

Release 4.7 include/crypto/internal/akcipher.h

/*
 * Public Key Encryption
 *
 * Copyright (c) 2015, Intel Corporation
 * Authors: Tadeusz Struk <tadeusz.struk@intel.com>
 *
 * 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.
 *
 */
#ifndef _CRYPTO_AKCIPHER_INT_H

#define _CRYPTO_AKCIPHER_INT_H
#include <crypto/akcipher.h>
#include <crypto/algapi.h>


struct akcipher_instance {
	
void (*free)(struct akcipher_instance *inst);
	union {
		struct {
			
char head[offsetof(struct akcipher_alg, base)];
			
struct crypto_instance base;
		} 
s;
		
struct akcipher_alg alg;
	};
};


struct crypto_akcipher_spawn {
	
struct crypto_spawn base;
};

/*
 * Transform internal helpers.
 */

static inline void *akcipher_request_ctx(struct akcipher_request *req) { return req->__ctx; }

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static inline void *akcipher_tfm_ctx(struct crypto_akcipher *tfm) { return tfm->base.__crt_ctx; }

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static inline void akcipher_request_complete(struct akcipher_request *req, int err) { req->base.complete(&req->base, err); }

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static inline const char *akcipher_alg_name(struct crypto_akcipher *tfm) { return crypto_akcipher_tfm(tfm)->__crt_alg->cra_name; }

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static inline struct crypto_instance *akcipher_crypto_instance( struct akcipher_instance *inst) { return container_of(&inst->alg.base, struct crypto_instance, alg); }

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static inline struct akcipher_instance *akcipher_instance( struct crypto_instance *inst) { return container_of(&inst->alg, struct akcipher_instance, alg.base); }

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static inline struct akcipher_instance *akcipher_alg_instance( struct crypto_akcipher *akcipher) { return akcipher_instance(crypto_tfm_alg_instance(&akcipher->base)); }

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static inline void *akcipher_instance_ctx(struct akcipher_instance *inst) { return crypto_instance_ctx(akcipher_crypto_instance(inst)); }

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static inline void crypto_set_akcipher_spawn( struct crypto_akcipher_spawn *spawn, struct crypto_instance *inst) { crypto_set_spawn(&spawn->base, inst); }

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int crypto_grab_akcipher(struct crypto_akcipher_spawn *spawn, const char *name, u32 type, u32 mask);
static inline struct crypto_akcipher *crypto_spawn_akcipher( struct crypto_akcipher_spawn *spawn) { return crypto_spawn_tfm2(&spawn->base); }

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static inline void crypto_drop_akcipher(struct crypto_akcipher_spawn *spawn) { crypto_drop_spawn(&spawn->base); }

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static inline struct akcipher_alg *crypto_spawn_akcipher_alg( struct crypto_akcipher_spawn *spawn) { return container_of(spawn->base.alg, struct akcipher_alg, base); }

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/** * crypto_register_akcipher() -- Register public key algorithm * * Function registers an implementation of a public key verify algorithm * * @alg: algorithm definition * * Return: zero on success; error code in case of error */ int crypto_register_akcipher(struct akcipher_alg *alg); /** * crypto_unregister_akcipher() -- Unregister public key algorithm * * Function unregisters an implementation of a public key verify algorithm * * @alg: algorithm definition */ void crypto_unregister_akcipher(struct akcipher_alg *alg); /** * akcipher_register_instance() -- Unregister public key template instance * * Function registers an implementation of an asymmetric key algorithm * created from a template * * @tmpl: the template from which the algorithm was created * @inst: the template instance */ int akcipher_register_instance(struct crypto_template *tmpl, struct akcipher_instance *inst); #endif

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