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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 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_rsa.c
* @brief measure performance of RSA signing
*/
#include "platform.h"
#include "gnunet_util_lib.h"
#include <gauger.h>
/**
* Evaluate RSA performance.
*
* @param len keylength to evaluate with
*/
static void
eval (unsigned int len)
{
struct GNUNET_TIME_Absolute start;
struct GNUNET_CRYPTO_RsaSignature *sig;
struct GNUNET_CRYPTO_RsaSignature *rsig;
struct GNUNET_CRYPTO_RsaPublicKey *public_key;
struct GNUNET_CRYPTO_RsaPrivateKey *private_key;
struct GNUNET_CRYPTO_RsaBlindingKeySecret bsec[10];
unsigned int i;
char sbuf[128];
char *bbuf;
size_t bbuf_len;
struct GNUNET_HashCode hc;
start = GNUNET_TIME_absolute_get ();
for (i=0;i<10;i++)
{
private_key = GNUNET_CRYPTO_rsa_private_key_create (len);
GNUNET_CRYPTO_rsa_private_key_free (private_key);
}
printf ("10x %u-key generation took %s\n",
len,
GNUNET_STRINGS_relative_time_to_string (GNUNET_TIME_absolute_get_duration (start),
GNUNET_YES));
GNUNET_snprintf (sbuf,
sizeof (sbuf),
"RSA %u-key generation",
len);
GAUGER ("UTIL", sbuf,
64 * 1024 / (1 +
GNUNET_TIME_absolute_get_duration
(start).rel_value_us / 1000LL), "keys/ms");
private_key = GNUNET_CRYPTO_rsa_private_key_create (len);
public_key = GNUNET_CRYPTO_rsa_private_key_get_public (private_key);
for (i=0;i<10;i++)
GNUNET_CRYPTO_random_block (GNUNET_CRYPTO_QUALITY_WEAK,
&bsec[i], sizeof (bsec[0]));
/*
start = GNUNET_TIME_absolute_get ();
for (i=0;i<10;i++)
rsa_blinding_key_derive(public_key, &bsec[i]);
printf ("10x %u-blinding key generation took %s\n",
len,
GNUNET_STRINGS_relative_time_to_string (GNUNET_TIME_absolute_get_duration (start),
GNUNET_YES));
GNUNET_snprintf (sbuf,
sizeof (sbuf),
"RSA %u-blinding key generation",
len);
GAUGER ("UTIL", sbuf,
64 * 1024 / (1 +
GNUNET_TIME_absolute_get_duration
(start).rel_value_us / 1000LL), "keys/ms");
*/
start = GNUNET_TIME_absolute_get ();
GNUNET_CRYPTO_hash ("test", 4, &hc);
for (i=0;i<10;i++)
{
GNUNET_CRYPTO_rsa_blind (&hc,
&bsec[i],
public_key,
&bbuf, &bbuf_len);
GNUNET_free (bbuf);
}
printf ("10x %u-blinding took %s\n",
len,
GNUNET_STRINGS_relative_time_to_string (GNUNET_TIME_absolute_get_duration (start),
GNUNET_YES));
GNUNET_snprintf (sbuf,
sizeof (sbuf),
"RSA %u-blinding",
len);
GAUGER ("UTIL",
sbuf,
64 * 1024 / (1 +
GNUNET_TIME_absolute_get_duration
(start).rel_value_us / 1000LL), "ops/ms");
GNUNET_CRYPTO_rsa_blind (&hc,
&bsec[0],
public_key,
&bbuf, &bbuf_len);
start = GNUNET_TIME_absolute_get ();
for (i=0;i<10;i++)
{
sig = GNUNET_CRYPTO_rsa_sign_blinded (private_key,
bbuf, bbuf_len);
GNUNET_CRYPTO_rsa_signature_free (sig);
}
printf ("10x %u-signing took %s\n",
len,
GNUNET_STRINGS_relative_time_to_string (GNUNET_TIME_absolute_get_duration (start),
GNUNET_YES));
GNUNET_snprintf (sbuf,
sizeof (sbuf),
"RSA %u-signing",
len);
GAUGER ("UTIL",
sbuf,
64 * 1024 / (1 +
GNUNET_TIME_absolute_get_duration
(start).rel_value_us / 1000LL), "ops/ms");
sig = GNUNET_CRYPTO_rsa_sign_blinded (private_key,
bbuf,
bbuf_len);
start = GNUNET_TIME_absolute_get ();
for (i=0;i<10;i++)
{
rsig = GNUNET_CRYPTO_rsa_unblind (sig,
&bsec[0],
public_key);
GNUNET_CRYPTO_rsa_signature_free (rsig);
}
printf ("10x %u-unblinding took %s\n",
len,
GNUNET_STRINGS_relative_time_to_string (GNUNET_TIME_absolute_get_duration (start),
GNUNET_YES));
GNUNET_snprintf (sbuf,
sizeof (sbuf),
"RSA %u-unblinding",
len);
GAUGER ("UTIL",
sbuf,
64 * 1024 / (1 +
GNUNET_TIME_absolute_get_duration
(start).rel_value_us / 1000LL), "ops/ms");
rsig = GNUNET_CRYPTO_rsa_unblind (sig,
&bsec[0],
public_key);
start = GNUNET_TIME_absolute_get ();
for (i=0;i<10;i++)
{
GNUNET_assert (GNUNET_OK ==
GNUNET_CRYPTO_rsa_verify (&hc,
rsig,
public_key));
}
printf ("10x %u-verifying took %s\n",
len,
GNUNET_STRINGS_relative_time_to_string (GNUNET_TIME_absolute_get_duration (start),
GNUNET_YES));
GNUNET_snprintf (sbuf,
sizeof (sbuf),
"RSA %u-verification",
len);
GAUGER ("UTIL",
sbuf,
64 * 1024 / (1 +
GNUNET_TIME_absolute_get_duration
(start).rel_value_us / 1000LL), "ops/ms");
GNUNET_CRYPTO_rsa_signature_free (sig);
GNUNET_CRYPTO_rsa_public_key_free (public_key);
GNUNET_CRYPTO_rsa_private_key_free (private_key);
GNUNET_free (bbuf);
}
int
main (int argc, char *argv[])
{
eval (1024);
/* eval (2048); */
/* eval (4096); */
return 0;
}
/* end of perf_crypto_rsa.c */
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