2 This file is part of GNUnet.
3 Copyright (C) 2009 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.
18 * @file util/test_crypto_random.c
19 * @brief testcase for crypto_random.c
22 #include "gnunet_util_lib.h"
25 test (enum GNUNET_CRYPTO_Quality mode)
33 for (i = 0; i < 1024; i++)
34 GNUNET_break (1024 > (buf[i] = GNUNET_CRYPTO_random_u32 (mode, 1024)));
35 for (i = 0; i < 10; i++)
37 b2 = GNUNET_CRYPTO_random_permute (mode, 1024);
38 if (0 == memcmp (b2, buf, sizeof (buf)))
40 FPRINTF (stderr, "%s", "!");
48 return 1; /* virtually impossible... */
50 for (n = 10; n < 1024LL * 1024LL * 1024LL; n *= 10)
51 GNUNET_break (n > GNUNET_CRYPTO_random_u64 (mode, n));
56 main (int argc, char *argv[])
58 GNUNET_log_setup ("test-crypto-random", "WARNING", NULL);
59 if (0 != test (GNUNET_CRYPTO_QUALITY_WEAK))
61 if (0 != test (GNUNET_CRYPTO_QUALITY_STRONG))