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/*
This file is part of GNUnet.
Copyright (C) 2002, 2003, 2004, 2006 GNUnet e.V.
GNUnet 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.
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.
*/
/**
* @author Christian Grothoff
* @file util/perf_crypto_symmetric.c
* @brief measure performance of encryption function
*/
#include "platform.h"
#include "gnunet_util_lib.h"
#include <gauger.h>
static void
perfEncrypt ()
{
unsigned int i;
char buf[64 * 1024];
char rbuf[64 * 1024];
struct GNUNET_CRYPTO_SymmetricSessionKey sk;
struct GNUNET_CRYPTO_SymmetricInitializationVector iv;
GNUNET_CRYPTO_symmetric_create_session_key (&sk);
memset (buf, 1, sizeof (buf));
for (i = 0; i < 1024; i++)
{
memset (&iv, (int8_t) i, sizeof (iv));
GNUNET_CRYPTO_symmetric_encrypt (buf, sizeof (buf),
&sk, &iv,
rbuf);
GNUNET_CRYPTO_symmetric_decrypt (rbuf, sizeof (buf),
&sk, &iv,
buf);
}
memset (rbuf, 1, sizeof (rbuf));
GNUNET_assert (0 == memcmp (rbuf, buf, sizeof (buf)));
}
int
main (int argc, char *argv[])
{
struct GNUNET_TIME_Absolute start;
start = GNUNET_TIME_absolute_get ();
perfEncrypt ();
printf ("Encrypt perf took %s\n",
GNUNET_STRINGS_relative_time_to_string (GNUNET_TIME_absolute_get_duration (start),
GNUNET_YES));
GAUGER ("UTIL", "Symmetric encryption",
64 * 1024 / (1 +
GNUNET_TIME_absolute_get_duration
(start).rel_value_us / 1000LL), "kb/ms");
return 0;
}
/* end of perf_crypto_aes.c */
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