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/*
* Copyright (C) 2014 Andreas Steffen
* HSR Hochschule fuer Technik Rapperswil
*
* 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 bliss_signature bliss_signature
* @{ @ingroup bliss_p
*/
#ifndef BLISS_SIGNATURE_H_
#define BLISS_SIGNATURE_H_
typedef struct bliss_signature_t bliss_signature_t;
#include "bliss_param_set.h"
#include <library.h>
/**
* Public interface of BLISS signature object
*/
struct bliss_signature_t {
/**
* Get compressed binary encoding of BLISS signature
*
* @result binary encoding of BLISS signature
*/
chunk_t (*get_encoding)(bliss_signature_t *this);
/**
* Get signature parameters extracted from compressd binary encoding
*
* @param z1 signature vector z1 of size n
* @param z2d signature vector z2d of size n
* @param c_indices indices of sparse binary challenge vector of size kappa
*/
void (*get_parameters)(bliss_signature_t *this, int32_t **z1, int16_t **z2d,
uint16_t **c_indices);
/**
* Destroy bliss_signature_t object
*/
void (*destroy)(bliss_signature_t *this);
};
/**
* Create a BLISS signature object.
*
* @param set BLISS parameter set
*/
bliss_signature_t *bliss_signature_create(const bliss_param_set_t *set);
/**
* Create a BLISS signature object from encoding.
*
* @param set BLISS parameter set
* @param encoding binary signature encoding
*/
bliss_signature_t *bliss_signature_create_from_data(const bliss_param_set_t *set,
chunk_t encoding);
#endif /** BLISS_SIGNATURE_H_ @}*/
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