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/*
* AEAD: Authenticated Encryption with Associated Data
*
* Copyright (c) 2007 Herbert Xu <herbert@gondor.apana.org.au>
*
* 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_INTERNAL_AEAD_H
#define _CRYPTO_INTERNAL_AEAD_H
#include <crypto/aead.h>
#include <crypto/algapi.h>
#include <linux/types.h>
struct rtattr;
struct aead_instance {
struct aead_alg alg;
};
struct crypto_aead_spawn {
struct crypto_spawn base;
};
extern const struct crypto_type crypto_aead_type;
extern const struct crypto_type crypto_nivaead_type;
static inline struct old_aead_alg *crypto_old_aead_alg(struct crypto_aead *tfm)
{
return &crypto_aead_tfm(tfm)->__crt_alg->cra_aead;
}
static inline struct aead_alg *crypto_aead_alg(struct crypto_aead *tfm)
{
return container_of(crypto_aead_tfm(tfm)->__crt_alg,
struct aead_alg, base);
}
static inline void *crypto_aead_ctx(struct crypto_aead *tfm)
{
return crypto_tfm_ctx(&tfm->base);
}
static inline struct crypto_instance *crypto_aead_alg_instance(
struct crypto_aead *aead)
{
return crypto_tfm_alg_instance(&aead->base);
}
static inline struct crypto_instance *aead_crypto_instance(
struct aead_instance *inst)
{
return container_of(&inst->alg.base, struct crypto_instance, alg);
}
static inline struct aead_instance *aead_instance(struct crypto_instance *inst)
{
return container_of(&inst->alg, struct aead_instance, alg.base);
}
static inline void *aead_instance_ctx(struct aead_instance *inst)
{
return crypto_instance_ctx(aead_crypto_instance(inst));
}
static inline void *aead_request_ctx(struct aead_request *req)
{
return req->__ctx;
}
static inline void aead_request_complete(struct aead_request *req, int err)
{
req->base.complete(&req->base, err);
}
static inline u32 aead_request_flags(struct aead_request *req)
{
return req->base.flags;
}
static inline void crypto_set_aead_spawn(
struct crypto_aead_spawn *spawn, struct crypto_instance *inst)
{
crypto_set_spawn(&spawn->base, inst);
}
struct crypto_alg *crypto_lookup_aead(const char *name, u32 type, u32 mask);
int crypto_grab_aead(struct crypto_aead_spawn *spawn, const char *name,
u32 type, u32 mask);
static inline void crypto_drop_aead(struct crypto_aead_spawn *spawn)
{
crypto_drop_spawn(&spawn->base);
}
static inline struct crypto_alg *crypto_aead_spawn_alg(
struct crypto_aead_spawn *spawn)
{
return spawn->base.alg;
}
static inline struct aead_alg *crypto_spawn_aead_alg(
struct crypto_aead_spawn *spawn)
{
return container_of(spawn->base.alg, struct aead_alg, base);
}
static inline struct crypto_aead *crypto_spawn_aead(
struct crypto_aead_spawn *spawn)
{
return crypto_spawn_tfm2(&spawn->base);
}
struct aead_instance *aead_geniv_alloc(struct crypto_template *tmpl,
struct rtattr **tb, u32 type, u32 mask);
void aead_geniv_free(struct aead_instance *inst);
int aead_geniv_init(struct crypto_tfm *tfm);
void aead_geniv_exit(struct crypto_tfm *tfm);
static inline struct crypto_aead *aead_geniv_base(struct crypto_aead *geniv)
{
return geniv->child;
}
static inline void *aead_givcrypt_reqctx(struct aead_givcrypt_request *req)
{
return aead_request_ctx(&req->areq);
}
static inline void aead_givcrypt_complete(struct aead_givcrypt_request *req,
int err)
{
aead_request_complete(&req->areq, err);
}
static inline void crypto_aead_set_reqsize(struct crypto_aead *aead,
unsigned int reqsize)
{
crypto_aead_crt(aead)->reqsize = reqsize;
}
static inline unsigned int crypto_aead_maxauthsize(struct crypto_aead *aead)
{
return aead->maxauthsize;
}
int crypto_register_aead(struct aead_alg *alg);
int crypto_unregister_aead(struct aead_alg *alg);
int aead_register_instance(struct crypto_template *tmpl,
struct aead_instance *inst);
#endif /* _CRYPTO_INTERNAL_AEAD_H */
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