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/*
* Copyright (C) 2010 Martin Willi
* Copyright (C) 2010 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 ctr_ipsec_crypter ctr_ipsec_crypter
* @{ @ingroup ctr
*/
#ifndef CTR_IPSEC_CRYPTER_H_
#define CTR_IPSEC_CRYPTER_H_
#include <crypto/crypters/crypter.h>
typedef struct ctr_ipsec_crypter_t ctr_ipsec_crypter_t;
/**
* Counter Mode wrapper for encryption algorithms, IPsec variant (RFC3686).
*/
struct ctr_ipsec_crypter_t {
/**
* Implements crypter_t interface.
*/
crypter_t crypter;
};
/**
* Create a ctr_ipsec_crypter instance.
*/
ctr_ipsec_crypter_t *ctr_ipsec_crypter_create();
/**
* Create a ctr_ipsec_crypter instance.
*
* @param key_size key size in bytes
* @param algo algorithm to implement, a counter mode
* @return crypter, NULL if not supported
*/
ctr_ipsec_crypter_t *ctr_ipsec_crypter_create(encryption_algorithm_t algo,
size_t key_size);
#endif /** CTR_IPSEC_CRYPTER_H_ @}*/
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