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/*
This file is part of GNUnet.
Copyright (C) 2014 GNUnet e.V.
GNUnet is free software: you can redistribute it and/or modify it
under the terms of the GNU Affero General Public License as published
by the Free Software Foundation, either version 3 of the License,
or (at your option) any later version.
GNUnet 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
Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* @author Christian Grothoff
* @file util/perf_crypto_paillier.c
* @brief measure performance of Paillier encryption
*/
#include "platform.h"
#include "gnunet_util_lib.h"
#include <gauger.h>
int
main (int argc, char *argv[])
{
struct GNUNET_TIME_Absolute start;
struct GNUNET_CRYPTO_PaillierPublicKey public_key;
struct GNUNET_CRYPTO_PaillierPrivateKey private_key;
struct GNUNET_CRYPTO_PaillierCiphertext c1;
gcry_mpi_t m1;
unsigned int i;
start = GNUNET_TIME_absolute_get ();
for (i=0;i<10;i++)
GNUNET_CRYPTO_paillier_create (&public_key,
&private_key);
printf ("10x key generation took %s\n",
GNUNET_STRINGS_relative_time_to_string (GNUNET_TIME_absolute_get_duration (start),
GNUNET_YES));
GAUGER ("UTIL", "Paillier key generation",
64 * 1024 / (1 +
GNUNET_TIME_absolute_get_duration
(start).rel_value_us / 1000LL), "keys/ms");
m1 = gcry_mpi_new (0);
m1 = gcry_mpi_set_ui (m1, 1);
/* m1 = m1 * 2 ^ (GCPB - 3) */
gcry_mpi_mul_2exp (m1,
m1,
GNUNET_CRYPTO_PAILLIER_BITS - 3);
start = GNUNET_TIME_absolute_get ();
for (i=0;i<10;i++)
GNUNET_CRYPTO_paillier_encrypt (&public_key,
m1,
2,
&c1);
printf ("10x encryption took %s\n",
GNUNET_STRINGS_relative_time_to_string (GNUNET_TIME_absolute_get_duration (start),
GNUNET_YES));
GAUGER ("UTIL", "Paillier encryption",
64 * 1024 / (1 +
GNUNET_TIME_absolute_get_duration
(start).rel_value_us / 1000LL), "ops/ms");
start = GNUNET_TIME_absolute_get ();
for (i=0;i<10;i++)
GNUNET_CRYPTO_paillier_decrypt (&private_key,
&public_key,
&c1,
m1);
printf ("10x decryption took %s\n",
GNUNET_STRINGS_relative_time_to_string (GNUNET_TIME_absolute_get_duration (start),
GNUNET_YES));
GAUGER ("UTIL", "Paillier decryption",
64 * 1024 / (1 +
GNUNET_TIME_absolute_get_duration
(start).rel_value_us / 1000LL), "ops/ms");
return 0;
}
/* end of perf_crypto_paillier.c */
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