71 lines
1.9 KiB
C
71 lines
1.9 KiB
C
/*
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* Copyright (C) 2016 Andreas Steffen
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* HSR Hochschule fuer Technik Rapperswil
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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 newhope_reconciliation newhope_reconciliation
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* @{ @ingroup newhope_p
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*/
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#ifndef NEWHOPE_RECONCILIATION_H_
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#define NEWHOPE_RECONCILIATION_H_
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typedef struct newhope_reconciliation_t newhope_reconciliation_t;
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#include <library.h>
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/**
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* Class assisting the error reconciliation
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* resulting in a key exchange error rate < 2^(-60)
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*/
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struct newhope_reconciliation_t {
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/**
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* Generate reconciliation polynomial
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*
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* @param v polynomial v
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* @param rbits pseudo random bit array
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* @return return array with reconciliation polynomial
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*/
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uint8_t* (*help_reconcile)(newhope_reconciliation_t *this,
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uint32_t *v, uint8_t *rbits);
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/**
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* Use reconciliation polynomial r to derive shared secret
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*
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* @param v polynomial v or v'
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* @param r reconciliation polynomial r
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* @return Return shared secret
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*/
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chunk_t (*reconcile)(newhope_reconciliation_t *this,
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uint32_t *v, uint8_t *r);
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/**
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* Destroy a newhope_reconciliation_t object
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*/
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void (*destroy)(newhope_reconciliation_t *this);
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};
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/**
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* Creates a new newhope_reconciliation_t object.
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*
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* @param n array size
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* @param q prime modulus
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* @return newhope_reconciliation_t object
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*/
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newhope_reconciliation_t *newhope_reconciliation_create(int n, int32_t q);
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#endif /** NEWHOPE_RECONCILIATION_H_ @}*/
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