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 Affero 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.
15 You should have received a copy of the GNU Affero General Public License
16 along with this program. If not, see <http://www.gnu.org/licenses/>.
20 * @author Christian Grothoff
21 * @file util/perf_crypto_symmetric.c
22 * @brief measure performance of encryption function
25 #include "gnunet_util_lib.h"
35 struct GNUNET_CRYPTO_SymmetricSessionKey sk;
36 struct GNUNET_CRYPTO_SymmetricInitializationVector iv;
38 GNUNET_CRYPTO_symmetric_create_session_key (&sk);
40 memset (buf, 1, sizeof (buf));
41 for (i = 0; i < 1024; i++)
43 memset (&iv, (int8_t) i, sizeof (iv));
44 GNUNET_CRYPTO_symmetric_encrypt (buf, sizeof (buf),
47 GNUNET_CRYPTO_symmetric_decrypt (rbuf, sizeof (buf),
51 memset (rbuf, 1, sizeof (rbuf));
52 GNUNET_assert (0 == memcmp (rbuf, buf, sizeof (buf)));
57 main (int argc, char *argv[])
59 struct GNUNET_TIME_Absolute start;
61 start = GNUNET_TIME_absolute_get ();
63 printf ("Encrypt perf took %s\n",
64 GNUNET_STRINGS_relative_time_to_string (GNUNET_TIME_absolute_get_duration (start),
66 GAUGER ("UTIL", "Symmetric encryption",
68 GNUNET_TIME_absolute_get_duration
69 (start).rel_value_us / 1000LL), "kb/ms");
73 /* end of perf_crypto_aes.c */