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spirclient.h
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spirclient.h
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// Percy++ Copyright 2007,2012,2013 Ian Goldberg <iang@cs.uwaterloo.ca>,
// Casey Devet <cjdevet@cs.uwaterloo.ca>,
// Paul Hendry <pshdenry@uwaterloo.ca>,
// Ryan Henry <rhenry@cs.uwaterloo.ca>
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of version 2 of the GNU General Public License as
// published by the Free Software Foundation.
//
// 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.
//
// There is a copy of the GNU General Public License in the COPYING file
// packaged with this plugin; if you cannot find it, write to the Free
// Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
// 02110-1301 USA
#ifndef __SPIR_H__
#define __SPIR_H__
#include <vector>
#include <NTL/ZZ_pX.h>
#include <NTL/vec_vec_ZZ_p.h>
#include "../PolyCommit/PolyCommitCommon.h"
#include "pspir_crypt.h"
#include "percyparams.h"
// Holds SPIR information for each client query.
class SPIRClientQuery {
public:
SPIRClientQuery ();
~SPIRClientQuery ();
SPIRClientQuery (const SPIRClientQuery &other);
SPIRClientQuery& operator= (SPIRClientQuery other);
// initializes SPIR parameters
bool init_parameters (const PercyClientParams ¶ms,
nservers_t num_servers, nservers_t t, const dbsize_t block_number,
const vec_ZZ_p &indices, const vec_vec_ZZ_p &shares,
const vec_ZZ_pX &polyvec);
// sends the infomation to the server
bool send_to_server (const PercyClientParams ¶ms,
nservers_t server_index, std::ostream &os);
private:
// Progress
enum Progress {
PROGRESS_NONE,
PROGRESS_INIT_PARAMS
};
Progress progress;
vec_G1 commitvec; // Vector of commitments to the polynomials
ZZ_pX dot_f_a; // Dot product of `f` vector and `a` vector
G1 C_a; // Commitment on dot_f_a
vec_G1 witnessvec; // Vector of witnesses to the evaluations
G1 C_a_prime, witness_prime;
GT D, D_prime;
G1 eta_1, eta_2, eta_3;
GT eta_4, eta_5, eta_6;
ZZ_p v_0, v_1, v_2, v_3;
vec_G1 muvec;
vec_GT nuvec;
vec_ZZ_p chivec;
dbsize_t cvec_size;
uint64_t *cvec;
};
#endif