162 lines
4.1 KiB
C
162 lines
4.1 KiB
C
/*
|
|
* 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 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 struct aead_instance *aead_alg_instance(struct crypto_aead *aead)
|
|
{
|
|
return aead_instance(crypto_aead_alg_instance(aead));
|
|
}
|
|
|
|
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_alg_maxauthsize(struct aead_alg *alg)
|
|
{
|
|
return alg->base.cra_aead.encrypt ? alg->base.cra_aead.maxauthsize :
|
|
alg->maxauthsize;
|
|
}
|
|
|
|
static inline unsigned int crypto_aead_maxauthsize(struct crypto_aead *aead)
|
|
{
|
|
return crypto_aead_alg_maxauthsize(crypto_aead_alg(aead));
|
|
}
|
|
|
|
int crypto_register_aead(struct aead_alg *alg);
|
|
void crypto_unregister_aead(struct aead_alg *alg);
|
|
int crypto_register_aeads(struct aead_alg *algs, int count);
|
|
void crypto_unregister_aeads(struct aead_alg *algs, int count);
|
|
int aead_register_instance(struct crypto_template *tmpl,
|
|
struct aead_instance *inst);
|
|
|
|
#endif /* _CRYPTO_INTERNAL_AEAD_H */
|
|
|