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/*
* Symmetric key ciphers.
*
* 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_SKCIPHER_H
#define _CRYPTO_INTERNAL_SKCIPHER_H
#include <crypto/algapi.h>
#include <crypto/skcipher.h>
#include <linux/types.h>
struct rtattr;
struct crypto_skcipher_spawn {
struct crypto_spawn base;
};
extern const struct crypto_type crypto_givcipher_type;
static inline void crypto_set_skcipher_spawn(
struct crypto_skcipher_spawn *spawn, struct crypto_instance *inst)
{
crypto_set_spawn(&spawn->base, inst);
}
int crypto_grab_skcipher(struct crypto_skcipher_spawn *spawn, const char *name,
u32 type, u32 mask);
struct crypto_alg *crypto_lookup_skcipher(const char *name, u32 type, u32 mask);
static inline void crypto_drop_skcipher(struct crypto_skcipher_spawn *spawn)
{
crypto_drop_spawn(&spawn->base);
}
static inline struct crypto_alg *crypto_skcipher_spawn_alg(
struct crypto_skcipher_spawn *spawn)
{
return spawn->base.alg;
}
static inline struct crypto_ablkcipher *crypto_spawn_skcipher(
struct crypto_skcipher_spawn *spawn)
{
return __crypto_ablkcipher_cast(
crypto_spawn_tfm(&spawn->base, crypto_skcipher_type(0),
crypto_skcipher_mask(0)));
}
int skcipher_null_givencrypt(struct skcipher_givcrypt_request *req);
int skcipher_null_givdecrypt(struct skcipher_givcrypt_request *req);
const char *crypto_default_geniv(const struct crypto_alg *alg);
struct crypto_instance *skcipher_geniv_alloc(struct crypto_template *tmpl,
struct rtattr **tb, u32 type,
u32 mask);
void skcipher_geniv_free(struct crypto_instance *inst);
int skcipher_geniv_init(struct crypto_tfm *tfm);
void skcipher_geniv_exit(struct crypto_tfm *tfm);
static inline struct crypto_ablkcipher *skcipher_geniv_cipher(
struct crypto_ablkcipher *geniv)
{
return crypto_ablkcipher_crt(geniv)->base;
}
static inline int skcipher_enqueue_givcrypt(
struct crypto_queue *queue, struct skcipher_givcrypt_request *request)
{
return ablkcipher_enqueue_request(queue, &request->creq);
}
static inline struct skcipher_givcrypt_request *skcipher_dequeue_givcrypt(
struct crypto_queue *queue)
{
return skcipher_givcrypt_cast(crypto_dequeue_request(queue));
}
static inline void *skcipher_givcrypt_reqctx(
struct skcipher_givcrypt_request *req)
{
return ablkcipher_request_ctx(&req->creq);
}
static inline void ablkcipher_request_complete(struct ablkcipher_request *req,
int err)
{
req->base.complete(&req->base, err);
}
static inline void skcipher_givcrypt_complete(
struct skcipher_givcrypt_request *req, int err)
{
ablkcipher_request_complete(&req->creq, err);
}
static inline u32 ablkcipher_request_flags(struct ablkcipher_request *req)
{
return req->base.flags;
}
static inline void *crypto_skcipher_ctx(struct crypto_skcipher *tfm)
{
return crypto_tfm_ctx(&tfm->base);
}
static inline void *skcipher_request_ctx(struct skcipher_request *req)
{
return req->__ctx;
}
static inline u32 skcipher_request_flags(struct skcipher_request *req)
{
return req->base.flags;
}
#endif /* _CRYPTO_INTERNAL_SKCIPHER_H */