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Any of the four NTRU parameter sets can be selected

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This commit is contained in:
Andreas Steffen
2013-11-27 20:21:41 +01:00
parent 1f73969eb5
commit 802eaf3789
5 changed files with 140 additions and 57 deletions
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src/libstrongswan/tests/suites/test_ntru.c
+54 -10
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@@ -31,7 +31,7 @@ static struct {
/**
* NTRU parameter set selection
*/
char *param_set_selection[] = {
char *parameter_sets[] = {
"x9_98_speed", "x9_98_bandwidth", "x9_98_balance", "optimum"
};
@@ -48,11 +48,11 @@ START_TEST(test_ntru_ke)
ck_assert(len == 8);
ck_assert(streq(buf, params[_i].group_name));
for (n = 0; n < countof(param_set_selection); n++)
for (n = 0; n < countof(parameter_sets); n++)
{
lib->settings->set_str(lib->settings,
"libcharon.plugins.ntru.param_set_selection",
param_set_selection[n]);
"libstrongswan.plugins.ntru.parameter_set",
parameter_sets[n]);
i_ntru = lib->crypto->create_dh(lib->crypto, params[_i].group);
ck_assert(i_ntru != NULL);
@@ -94,17 +94,57 @@ START_TEST(test_ntru_ke)
}
END_TEST
START_TEST(test_ntru_pubkey)
START_TEST(test_ntru_pubkey_oid)
{
chunk_t test[] = {
chunk_empty,
chunk_from_chars(0x00),
chunk_from_chars(0x01),
chunk_from_chars(0x02),
chunk_from_chars(0x02, 0x03, 0x00, 0x03, 0x10),
chunk_from_chars(0x01, 0x04, 0x00, 0x03, 0x10),
chunk_from_chars(0x01, 0x03, 0x00, 0x03, 0x10),
chunk_from_chars(0x01, 0x03, 0xff, 0x03, 0x10),
};
diffie_hellman_t *r_ntru;
chunk_t cipher_text;
int i;
r_ntru = lib->crypto->create_dh(lib->crypto, NTRU_128_BIT);
r_ntru->set_other_public_value(r_ntru, chunk_empty);
for (i = 0; i < countof(test); i++)
{
r_ntru = lib->crypto->create_dh(lib->crypto, NTRU_128_BIT);
r_ntru->set_other_public_value(r_ntru, test[i]);
r_ntru->get_my_public_value(r_ntru, &cipher_text);
ck_assert(cipher_text.len == 0);
r_ntru->destroy(r_ntru);
}
}
END_TEST
START_TEST(test_ntru_wrong_set)
{
diffie_hellman_t *i_ntru, *r_ntru;
chunk_t pub_key, cipher_text;
lib->settings->set_str(lib->settings,
"libstrongswan.plugins.ntru.parameter_set",
"x9_98_bandwidth");
i_ntru = lib->crypto->create_dh(lib->crypto, NTRU_112_BIT);
i_ntru->get_my_public_value(i_ntru, &pub_key);
lib->settings->set_str(lib->settings,
"libstrongswan.plugins.ntru.parameter_set",
"optimum");
r_ntru = lib->crypto->create_dh(lib->crypto, NTRU_112_BIT);
r_ntru->set_other_public_value(r_ntru, pub_key);
r_ntru->get_my_public_value(r_ntru, &cipher_text);
ck_assert(cipher_text.len == 0);
r_ntru->destroy(r_ntru);
chunk_free(&pub_key);
chunk_free(&cipher_text);
i_ntru->destroy(i_ntru);
r_ntru->destroy(r_ntru);
}
END_TEST
@@ -119,8 +159,12 @@ Suite *ntru_suite_create()
tcase_add_loop_test(tc, test_ntru_ke, 0, countof(params));
suite_add_tcase(s, tc);
tc = tcase_create("pubkey");
tcase_add_test(tc, test_ntru_pubkey);
tc = tcase_create("pubkey_oid");
tcase_add_test(tc, test_ntru_pubkey_oid);
suite_add_tcase(s, tc);
tc = tcase_create("wrong_set");
tcase_add_test(tc, test_ntru_wrong_set);
suite_add_tcase(s, tc);
return s;