1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
|
/*
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, 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
General Public License for more details.
You should have received a copy of the GNU General Public License
along with GNUnet; see the file COPYING. If not, write to the
Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
/**
* @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 */
|
