54 lines
1.4 KiB
C
54 lines
1.4 KiB
C
/*
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* Copyright (C) 2010 Martin Willi
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* Copyright (C) 2010 revosec AG
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*/
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/**
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* @defgroup ccm_aead ccm_aead
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* @{ @ingroup ccm
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*/
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#ifndef CCM_AEAD_H_
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#define CCM_AEAD_H_
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#include <crypto/aead.h>
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typedef struct ccm_aead_t ccm_aead_t;
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/**
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* Counter with Cipher Block Chaining-Message Authentication Code (CCM).
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*
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* Implements CCM as specified in NIST 800-38B, using AEAD semantics from
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* RFC 5282, based on RFC4309.
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*/
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struct ccm_aead_t {
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/**
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* Implements aead_t interface.
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*/
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aead_t aead;
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};
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/**
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* Create a ccm_aead instance.
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*
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* @param algo algorithm to implement, a CCM mode
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* @param key_size key size in bytes
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* @param salt_size size of implicit salt length
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* @return aead, NULL if not supported
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*/
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ccm_aead_t *ccm_aead_create(encryption_algorithm_t algo, size_t key_size,
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size_t salt_size);
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#endif /** CCM_AEAD_H_ @}*/
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