51 lines
1.3 KiB
C
51 lines
1.3 KiB
C
/*
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* Copyright (C) 2016 Andreas Steffen
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*
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* Copyright (C) secunet Security Networks 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 chapoly_xof chapoly_xof
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* @{ @ingroup chapoly
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*/
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#ifndef CHAPOLY_XOF_H_
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#define CHAPOLY_XOF_H_
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#include <crypto/aead.h>
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typedef struct chapoly_xof_t chapoly_xof_t;
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/**
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* ChaCha20 XOF implementation
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*
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* Based on RFC 7539 ChaCha20 stream initialized with block counter = 1
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*/
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struct chapoly_xof_t {
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/**
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* Generic xof_t interface for this Extended Output Function (XOF).
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*/
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xof_t xof_interface;
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};
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/**
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* Create a chapoly_xof instance.
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*
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* @param algorithm XOF_CHACHA20
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* @return chapoly_xof_t object, NULL if not supported
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*/
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chapoly_xof_t *chapoly_xof_create(ext_out_function_t algorithm);
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#endif /** CHAPOLY_XOF_H_ @}*/
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