2 This file is part of GNUnet.
3 Copyright (C) 2002, 2003, 2004, 2006 GNUnet e.V.
5 GNUnet is free software: you can redistribute it and/or modify it
6 under the terms of the GNU General Public License as published
7 by the Free Software Foundation, either version 3 of the License,
8 or (at your 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 Affero General Public License for more details.
17 * @author Christian Grothoff
18 * @file util/perf_crypto_symmetric.c
19 * @brief measure performance of encryption function
22 #include "gnunet_util_lib.h"
32 struct GNUNET_CRYPTO_SymmetricSessionKey sk;
33 struct GNUNET_CRYPTO_SymmetricInitializationVector iv;
35 GNUNET_CRYPTO_symmetric_create_session_key (&sk);
37 memset (buf, 1, sizeof (buf));
38 for (i = 0; i < 1024; i++)
40 memset (&iv, (int8_t) i, sizeof (iv));
41 GNUNET_CRYPTO_symmetric_encrypt (buf, sizeof (buf),
44 GNUNET_CRYPTO_symmetric_decrypt (rbuf, sizeof (buf),
48 memset (rbuf, 1, sizeof (rbuf));
49 GNUNET_assert (0 == memcmp (rbuf, buf, sizeof (buf)));
54 main (int argc, char *argv[])
56 struct GNUNET_TIME_Absolute start;
58 start = GNUNET_TIME_absolute_get ();
60 printf ("Encrypt perf took %s\n",
61 GNUNET_STRINGS_relative_time_to_string (GNUNET_TIME_absolute_get_duration (start),
63 GAUGER ("UTIL", "Symmetric encryption",
65 GNUNET_TIME_absolute_get_duration
66 (start).rel_value_us / 1000LL), "kb/ms");
70 /* end of perf_crypto_aes.c */