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/* This file is part of libbrandt.
* Copyright (C) 2016 GNUnet e.V.
*
* libbrandt 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 3 of the License, or (at your option) any later
* version.
*
* libbrandt 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.
*
* You should have received a copy of the GNU General Public License along with
* libbrandt. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* @file smc.h
* @brief describes the secure multiparty computation interface.
*/
#ifndef _BRANDT_SMC_H
#define _BRANDT_SMC_H
#include <gcrypt.h>
void smc_zkp_dl (const gcry_mpi_point_t v,
const gcry_mpi_point_t g,
const gcry_mpi_t x,
const gcry_mpi_point_t a,
gcry_mpi_t c,
gcry_mpi_t r);
int smc_zkp_dl_check (const gcry_mpi_point_t v,
const gcry_mpi_point_t g,
const gcry_mpi_point_t a,
const gcry_mpi_t c,
const gcry_mpi_t r);
void smc_zkp_2dle (const gcry_mpi_point_t v,
const gcry_mpi_point_t w,
const gcry_mpi_point_t g1,
const gcry_mpi_point_t g2,
const gcry_mpi_t x,
gcry_mpi_point_t a,
gcry_mpi_point_t b,
gcry_mpi_t c,
gcry_mpi_t r);
int smc_zkp_2dle_check (const gcry_mpi_point_t v,
const gcry_mpi_point_t w,
const gcry_mpi_point_t g1,
const gcry_mpi_point_t g2,
const gcry_mpi_point_t a,
const gcry_mpi_point_t b,
const gcry_mpi_t c,
const gcry_mpi_t r);
void smc_zkp_0og (gcry_mpi_point_t alpha,
const gcry_mpi_point_t m,
const gcry_mpi_point_t y,
gcry_mpi_point_t beta,
gcry_mpi_point_t a1,
gcry_mpi_point_t a2,
gcry_mpi_point_t b1,
gcry_mpi_point_t b2,
gcry_mpi_t c,
gcry_mpi_t d1,
gcry_mpi_t d2,
gcry_mpi_t r1,
gcry_mpi_t r2);
int smc_zkp_0og_check (const gcry_mpi_point_t alpha,
const gcry_mpi_point_t y,
const gcry_mpi_point_t beta,
const gcry_mpi_point_t a1,
const gcry_mpi_point_t a2,
const gcry_mpi_point_t b1,
const gcry_mpi_point_t b2,
const gcry_mpi_t c,
const gcry_mpi_t d1,
const gcry_mpi_t d2,
const gcry_mpi_t r1,
const gcry_mpi_t r2);
#endif // ifndef _BRANDT_SMC_H
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