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/*
This file is part of GNUnet.
Copyright (C) 2009 GNUnet e.V.
GNUnet is free software: you can redistribute it and/or modify it
under the terms of the GNU Affero General Public License as published
by the Free Software Foundation, either version 3 of the License,
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
Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
SPDX-License-Identifier: AGPL3.0-or-later
*/
/**
* @file util/test_crypto_random.c
* @brief testcase for crypto_random.c
*/
#include "platform.h"
#include "gnunet_util_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;
}
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