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root/include/crypto/internal/skcipher.h

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INCLUDED FROM


DEFINITIONS

This source file includes following definitions.
  1. crypto_set_skcipher_spawn
  2. crypto_drop_skcipher
  3. crypto_skcipher_spawn_alg
  4. crypto_spawn_skcipher
  5. skcipher_geniv_cipher
  6. skcipher_enqueue_givcrypt
  7. skcipher_dequeue_givcrypt
  8. skcipher_givcrypt_reqctx
  9. ablkcipher_request_complete
  10. skcipher_givcrypt_complete
  11. ablkcipher_request_flags

/*
 * 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);

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 container_of(ablkcipher_dequeue_request(queue),
                            struct skcipher_givcrypt_request, creq);
}

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;
}

#endif  /* _CRYPTO_INTERNAL_SKCIPHER_H */


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