strongswan/src/libstrongswan/plugins/aesni/aesni_ctr.h

49 lines
1.2 KiB
C

/*
* Copyright (C) 2015 Martin Willi
* Copyright (C) 2015 revosec AG
*
* 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. See <http://www.fsf.org/copyleft/gpl.txt>.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*/
/**
* @defgroup aesni_ctr aesni_ctr
* @{ @ingroup aesni
*/
#ifndef AESNI_CTR_H_
#define AESNI_CTR_H_
#include <library.h>
typedef struct aesni_ctr_t aesni_ctr_t;
/**
* CTR mode crypter using AES-NI
*/
struct aesni_ctr_t {
/**
* Implements crypter interface
*/
crypter_t crypter;
};
/**
* Create a aesni_ctr instance.
*
* @param algo encryption algorithm, AES_ENCR_CTR
* @param key_size AES key size, in bytes
* @return AES-CTR crypter, NULL if not supported
*/
aesni_ctr_t *aesni_ctr_create(encryption_algorithm_t algo, size_t key_size);
#endif /** AESNI_CTR_H_ @}*/