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
|
/*
This file is part of GNUnet.
(C) 2009 Christian Grothoff (and other contributing authors)
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., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.
*/
/**
* @file util/test_crypto_random.c
* @brief testcase for crypto_random.c
*/
#include "platform.h"
#include "gnunet_common.h"
#include "gnunet_crypto_lib.h"
static int
test (enum GNUNET_CRYPTO_Quality mode)
{
int buf[1024];
unsigned int *b2;
int i;
unsigned long long n;
for (i = 0; i < 1024; i++)
GNUNET_break (1024 > (buf[i] = GNUNET_CRYPTO_random_u32 (mode, 1024)));
for (i = 0; i < 10; i++)
{
b2 = GNUNET_CRYPTO_random_permute (mode, 1024);
if (0 == memcmp (b2, buf, sizeof (buf)))
{
FPRINTF (stderr, "%s", "!");
GNUNET_free (b2);
continue;
}
GNUNET_free (b2);
break;
}
if (i == 10)
return 1; /* virtually impossible... */
for (n = 10; n < 1024LL * 1024LL * 1024LL; n *= 10)
GNUNET_break (n > GNUNET_CRYPTO_random_u64 (mode, n));
return 0;
}
int
main (int argc, char *argv[])
{
GNUNET_log_setup ("test-crypto-random", "WARNING", NULL);
if (0 != test (GNUNET_CRYPTO_QUALITY_WEAK))
return 1;
if (0 != test (GNUNET_CRYPTO_QUALITY_STRONG))
return 1;
return 0;
}
|
