strongswan/src/libstrongswan/tests/suites/test_rng_tester.c

57 lines
1.5 KiB
C

/*
* Copyright (C) 2013 Andreas Steffen
* HSR Hochschule fuer Technik Rapperswil
*
* This program 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 2 of the License, or (at your
* option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
*
* This program 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.
*/
#include "test_suite.h"
#include <utils/test.h>
#include <crypto/rngs/rng_tester.h>
START_TEST(test_rng_tester)
{
rng_t *entropy;
chunk_t in, in1, in2, out;
in1 = chunk_from_chars(0x01, 0x02, 0x03, 0x04, 0x05, 0x06);
in2 = chunk_from_chars(0x07, 0x08);
in = chunk_cat("cc", in1, in2);
entropy = rng_tester_create(in);
ck_assert(entropy->allocate_bytes(entropy, 6, &out));
ck_assert(chunk_equals(in1, out));
ck_assert(entropy->get_bytes(entropy, 2, out.ptr));
ck_assert(memeq(in2.ptr, out.ptr, in2.len));
ck_assert(!entropy->get_bytes(entropy, 4, out.ptr));
chunk_free(&out);
ck_assert(!entropy->allocate_bytes(entropy, 4, &out));
entropy->destroy(entropy);
chunk_free(&in);
}
END_TEST
Suite *rng_tester_suite_create()
{
Suite *s;
TCase *tc;
s = suite_create("rng_tester");
tc = tcase_create("rng_tester");
tcase_add_test(tc, test_rng_tester);
suite_add_tcase(s, tc);
return s;
}