157 lines
3.8 KiB
C
157 lines
3.8 KiB
C
/* 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 test_crypto.c
|
|
* @brief testing crypto and smc functions.
|
|
*/
|
|
#include "brandt.h"
|
|
#include "crypto.h"
|
|
#include "smc.h"
|
|
#include "test.h"
|
|
|
|
extern gcry_mpi_point_t ec_gen;
|
|
extern gcry_ctx_t ec_ctx;
|
|
|
|
int
|
|
test_brandt_ec_keypair_create ()
|
|
{
|
|
gcry_mpi_t skey;
|
|
gcry_mpi_point_t pkey1;
|
|
gcry_mpi_point_t pkey2 = gcry_mpi_point_new (0);
|
|
|
|
brandt_ec_keypair_create (&pkey1, &skey);
|
|
check (skey, "no sec key created");
|
|
check (pkey1, "no pub key created");
|
|
check (pkey2, "could not init pkey2");
|
|
|
|
gcry_mpi_ec_mul (pkey2, skey, ec_gen, ec_ctx);
|
|
check (!brandt_ec_point_cmp (pkey1, pkey2), "pkeys do not match");
|
|
|
|
gcry_mpi_release (skey);
|
|
gcry_mpi_point_release (pkey1);
|
|
gcry_mpi_point_release (pkey2);
|
|
}
|
|
|
|
int
|
|
test_smc_zkp_dl ()
|
|
{
|
|
static int first = 1;
|
|
gcry_mpi_t c;
|
|
gcry_mpi_t r;
|
|
gcry_mpi_t s;
|
|
gcry_mpi_t x;
|
|
gcry_mpi_point_t a;
|
|
gcry_mpi_point_t g;
|
|
gcry_mpi_point_t v = gcry_mpi_point_new (0);
|
|
|
|
check (v, "no pub key initialized");
|
|
brandt_ec_keypair_create (&g, &s);
|
|
check (g, "no gen created");
|
|
|
|
if (first)
|
|
{
|
|
gcry_mpi_ec_mul (g, GCRYMPI_CONST_ONE, ec_gen, ec_ctx);
|
|
first = 0;
|
|
}
|
|
|
|
brandt_ec_skey_create (&x);
|
|
check (x, "no sec key created");
|
|
gcry_mpi_ec_mul (v, x, g, ec_ctx);
|
|
check (v, "no pub key created");
|
|
|
|
smc_zkp_dl (v, g, x, &a, &c, &r);
|
|
check (!smc_zkp_dl_check (v, g, a, c, r), "zkp was false, should be true");
|
|
|
|
gcry_mpi_release (c);
|
|
gcry_mpi_release (r);
|
|
gcry_mpi_release (s);
|
|
gcry_mpi_release (x);
|
|
gcry_mpi_point_release (a);
|
|
gcry_mpi_point_release (g);
|
|
gcry_mpi_point_release (v);
|
|
}
|
|
|
|
int
|
|
test_smc_zkp_2dle ()
|
|
{
|
|
static int first = 1;
|
|
gcry_mpi_t c;
|
|
gcry_mpi_t r;
|
|
gcry_mpi_t s;
|
|
gcry_mpi_t x;
|
|
gcry_mpi_point_t a;
|
|
gcry_mpi_point_t b;
|
|
gcry_mpi_point_t g1;
|
|
gcry_mpi_point_t g2;
|
|
gcry_mpi_point_t v = gcry_mpi_point_new (0);
|
|
gcry_mpi_point_t w = gcry_mpi_point_new (0);
|
|
|
|
check (v, "no pub1 key initialized");
|
|
check (w, "no pub2 key initialized");
|
|
brandt_ec_keypair_create (&g1, &s);
|
|
gcry_mpi_release (s);
|
|
brandt_ec_keypair_create (&g2, &s);
|
|
check (g1, "no gen1 created");
|
|
check (g2, "no gen2 created");
|
|
|
|
if (first)
|
|
{
|
|
gcry_mpi_ec_mul (g1, GCRYMPI_CONST_ONE, ec_gen, ec_ctx);
|
|
gcry_mpi_ec_mul (g2, GCRYMPI_CONST_ONE, ec_gen, ec_ctx);
|
|
first = 0;
|
|
}
|
|
|
|
brandt_ec_skey_create (&x);
|
|
check (x, "no sec key created");
|
|
gcry_mpi_ec_mul (v, x, g1, ec_ctx);
|
|
check (v, "no pub1 key created");
|
|
gcry_mpi_ec_mul (w, x, g2, ec_ctx);
|
|
check (w, "no pub2 key created");
|
|
|
|
smc_zkp_2dle (v, w, g1, g2, x, &a, &b, &c, &r);
|
|
check (!smc_zkp_2dle_check (v, w, g1, g2, a, b, c, r), "zkp was false, should be true");
|
|
|
|
gcry_mpi_release (c);
|
|
gcry_mpi_release (r);
|
|
gcry_mpi_release (s);
|
|
gcry_mpi_release (x);
|
|
gcry_mpi_point_release (a);
|
|
gcry_mpi_point_release (b);
|
|
gcry_mpi_point_release (g1);
|
|
gcry_mpi_point_release (g2);
|
|
gcry_mpi_point_release (v);
|
|
gcry_mpi_point_release (w);
|
|
}
|
|
|
|
int
|
|
main (int argc, char *argv[])
|
|
{
|
|
int repeat = 50;
|
|
int i;
|
|
|
|
BRANDT_init ();
|
|
|
|
for (i = 0; i < repeat; i++)
|
|
{
|
|
run (test_brandt_ec_keypair_create);
|
|
run (test_smc_zkp_dl);
|
|
run (test_smc_zkp_2dle);
|
|
}
|
|
|
|
return ret;
|
|
}
|