2 This file is part of GNUnet.
3 (C) 2002, 2003, 2004, 2006 Christian Grothoff (and other contributing authors)
5 GNUnet is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published
7 by the Free Software Foundation; either version 3, or (at your
8 option) any later version.
10 GNUnet is distributed in the hope that it will be useful, but
11 WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with GNUnet; see the file COPYING. If not, write to the
17 Free Software Foundation, Inc., 59 Temple Place - Suite 330,
18 Boston, MA 02111-1307, USA.
22 * @author Christian Grothoff
23 * @file util/perf_crypto_hash.c
24 * @brief measure performance of hash function
27 #include "gnunet_util_lib.h"
35 struct GNUNET_HashCode hc;
39 memset (buf, 1, sizeof (buf));
40 for (i = 0; i < 1024; i++)
41 GNUNET_CRYPTO_hash (buf, sizeof (buf), &hc);
53 memset (buf, 1, sizeof (buf));
54 memset (skm, 2, sizeof (skm));
55 for (i = 0; i < 1024; i++)
56 GNUNET_CRYPTO_hkdf (res, sizeof (res),
57 GCRY_MD_SHA512, GCRY_MD_SHA256,
66 main (int argc, char *argv[])
68 struct GNUNET_TIME_Absolute start;
70 start = GNUNET_TIME_absolute_get ();
72 printf ("Hash perf took %s\n",
73 GNUNET_STRINGS_relative_time_to_string (GNUNET_TIME_absolute_get_duration (start),
75 GAUGER ("UTIL", "Cryptographic hashing",
77 GNUNET_TIME_absolute_get_duration
78 (start).rel_value_us / 1000LL), "kb/ms");
79 start = GNUNET_TIME_absolute_get ();
81 printf ("HKDF perf took %s\n",
82 GNUNET_STRINGS_relative_time_to_string (GNUNET_TIME_absolute_get_duration (start),
84 GAUGER ("UTIL", "Cryptographic HKDF",
86 GNUNET_TIME_absolute_get_duration
87 (start).rel_value_us / 1000LL), "kb/ms");
91 /* end of perf_crypto_hash.c */