linux/include/crypto/internal/aead.h

/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
 * AEAD: Authenticated Encryption with Associated Data
 * 
 * Copyright (c) 2007-2015 Herbert Xu <[email protected]>
 */

#ifndef _CRYPTO_INTERNAL_AEAD_H
#define _CRYPTO_INTERNAL_AEAD_H

#include <crypto/aead.h>
#include <crypto/algapi.h>
#include <linux/stddef.h>
#include <linux/types.h>

struct rtattr;

struct aead_instance { … };

struct crypto_aead_spawn { … };

struct aead_queue { … };

static inline void *crypto_aead_ctx(struct crypto_aead *tfm)
{ … }

static inline void *crypto_aead_ctx_dma(struct crypto_aead *tfm)
{ … }

static inline struct crypto_instance *aead_crypto_instance(
	struct aead_instance *inst)
{ … }

static inline struct aead_instance *aead_instance(struct crypto_instance *inst)
{ … }

static inline struct aead_instance *aead_alg_instance(struct crypto_aead *aead)
{ … }

static inline void *aead_instance_ctx(struct aead_instance *inst)
{ … }

static inline void *aead_request_ctx(struct aead_request *req)
{ … }

static inline void *aead_request_ctx_dma(struct aead_request *req)
{ … }

static inline void aead_request_complete(struct aead_request *req, int err)
{ … }

static inline u32 aead_request_flags(struct aead_request *req)
{ … }

static inline struct aead_request *aead_request_cast(
	struct crypto_async_request *req)
{ … }

int crypto_grab_aead(struct crypto_aead_spawn *spawn,
		     struct crypto_instance *inst,
		     const char *name, u32 type, u32 mask);

static inline void crypto_drop_aead(struct crypto_aead_spawn *spawn)
{ … }

static inline struct aead_alg *crypto_spawn_aead_alg(
	struct crypto_aead_spawn *spawn)
{ … }

static inline struct crypto_aead *crypto_spawn_aead(
	struct crypto_aead_spawn *spawn)
{ … }

static inline void crypto_aead_set_reqsize(struct crypto_aead *aead,
					   unsigned int reqsize)
{ … }

static inline void crypto_aead_set_reqsize_dma(struct crypto_aead *aead,
					       unsigned int reqsize)
{ … }

static inline void aead_init_queue(struct aead_queue *queue,
				   unsigned int max_qlen)
{ … }

static inline unsigned int crypto_aead_alg_chunksize(struct aead_alg *alg)
{ … }

/**
 * crypto_aead_chunksize() - obtain chunk size
 * @tfm: cipher handle
 *
 * The block size is set to one for ciphers such as CCM.  However,
 * you still need to provide incremental updates in multiples of
 * the underlying block size as the IV does not have sub-block
 * granularity.  This is known in this API as the chunk size.
 *
 * Return: chunk size in bytes
 */
static inline unsigned int crypto_aead_chunksize(struct crypto_aead *tfm)
{ … }

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 */