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/*
* Copyright (C) 2015 Tobias Brunner
* 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 <crypto/iv/iv_gen_seq.h>
#include <utils/test.h>
START_TEST(test_iv_gen_seq)
{
iv_gen_t *iv_gen;
uint64_t iv0, iv1_1, iv1_2;
iv_gen = iv_gen_seq_create();
ck_assert(iv_gen->get_iv(iv_gen, 0, 8, (uint8_t*)&iv0));
ck_assert(iv_gen->get_iv(iv_gen, 1, 8, (uint8_t*)&iv1_1));
ck_assert(iv0 != iv1_1);
/* every sequence number may be used twice, but results in a different IV */
ck_assert(iv_gen->get_iv(iv_gen, 1, 8, (uint8_t*)&iv1_2));
ck_assert(iv0 != iv1_2);
ck_assert(iv1_1 != iv1_2);
ck_assert(!iv_gen->get_iv(iv_gen, 1, 8, (uint8_t*)&iv1_2));
iv_gen->destroy(iv_gen);
}
END_TEST
START_TEST(test_iv_gen_seq_len)
{
iv_gen_t *iv_gen;
uint64_t iv;
uint8_t buf[9];
iv_gen = iv_gen_seq_create();
ck_assert(!iv_gen->get_iv(iv_gen, 0, 0, (uint8_t*)&iv));
ck_assert(!iv_gen->get_iv(iv_gen, 0, 1, (uint8_t*)&iv));
ck_assert(!iv_gen->get_iv(iv_gen, 0, 2, (uint8_t*)&iv));
ck_assert(!iv_gen->get_iv(iv_gen, 0, 3, (uint8_t*)&iv));
ck_assert(!iv_gen->get_iv(iv_gen, 0, 4, (uint8_t*)&iv));
ck_assert(!iv_gen->get_iv(iv_gen, 0, 5, (uint8_t*)&iv));
ck_assert(!iv_gen->get_iv(iv_gen, 0, 6, (uint8_t*)&iv));
ck_assert(!iv_gen->get_iv(iv_gen, 0, 7, (uint8_t*)&iv));
ck_assert(iv_gen->get_iv(iv_gen, 0, 8, (uint8_t*)&iv));
ck_assert(iv_gen->get_iv(iv_gen, 0, 9, buf));
iv_gen->destroy(iv_gen);
}
END_TEST
Suite *iv_gen_suite_create()
{
Suite *s;
TCase *tc;
s = suite_create("iv-gen");
tc = tcase_create("iv-gen-seq");
tcase_add_test(tc, test_iv_gen_seq);
tcase_add_test(tc, test_iv_gen_seq_len);
suite_add_tcase(s, tc);
return s;
}
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