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unit-tests: Added ntru wrong ciphertext test

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This commit is contained in:
Andreas Steffen
2013-11-27 20:21:41 +01:00
parent 885e699b58
commit 9013973cc8
2 changed files with 37 additions and 0 deletions
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src/libstrongswan/plugins/ntru/ntru_ke.c
+1
View File
@@ -177,6 +177,7 @@ METHOD(diffie_hellman_t, get_shared_secret, status_t,
{ {
if (!this->computed || !this->shared_secret.len) if (!this->computed || !this->shared_secret.len)
{ {
*secret = chunk_empty;
return FAILED; return FAILED;
} }
*secret = chunk_clone(this->shared_secret); *secret = chunk_clone(this->shared_secret);
src/libstrongswan/tests/suites/test_ntru.c
+36
View File
@@ -176,15 +176,22 @@ END_TEST
START_TEST(test_ntru_ciphertext) START_TEST(test_ntru_ciphertext)
{ {
char buf_00[604], buf_ff[604];
chunk_t test[] = { chunk_t test[] = {
chunk_empty, chunk_empty,
chunk_from_chars(0x00), chunk_from_chars(0x00),
chunk_create(buf_00, sizeof(buf_00)),
chunk_create(buf_ff, sizeof(buf_ff)),
}; };
diffie_hellman_t *i_ntru; diffie_hellman_t *i_ntru;
chunk_t pub_key, shared_secret; chunk_t pub_key, shared_secret;
int i; int i;
memset(buf_00, 0x00, sizeof(buf_00));
memset(buf_ff, 0xff, sizeof(buf_ff));
for (i = 0; i < countof(test); i++) for (i = 0; i < countof(test); i++)
{ {
i_ntru = lib->crypto->create_dh(lib->crypto, NTRU_128_BIT); i_ntru = lib->crypto->create_dh(lib->crypto, NTRU_128_BIT);
@@ -199,6 +206,32 @@ START_TEST(test_ntru_ciphertext)
} }
END_TEST END_TEST
START_TEST(test_ntru_wrong_ciphertext)
{
diffie_hellman_t *i_ntru, *r_ntru, *m_ntru;
chunk_t pub_key_i, pub_key_m, cipher_text, shared_secret;
i_ntru = lib->crypto->create_dh(lib->crypto, NTRU_128_BIT);
r_ntru = lib->crypto->create_dh(lib->crypto, NTRU_128_BIT);
m_ntru = lib->crypto->create_dh(lib->crypto, NTRU_128_BIT);
i_ntru->get_my_public_value(i_ntru, &pub_key_i);
m_ntru->get_my_public_value(m_ntru, &pub_key_m);
r_ntru->set_other_public_value(r_ntru, pub_key_m);
r_ntru->get_my_public_value(r_ntru, &cipher_text);
i_ntru->set_other_public_value(i_ntru, cipher_text);
ck_assert(i_ntru->get_shared_secret(i_ntru, &shared_secret) != SUCCESS);
ck_assert(shared_secret.len == 0);
chunk_free(&pub_key_i);
chunk_free(&pub_key_m);
chunk_free(&cipher_text);
i_ntru->destroy(i_ntru);
m_ntru->destroy(m_ntru);
r_ntru->destroy(r_ntru);
}
END_TEST
Suite *ntru_suite_create() Suite *ntru_suite_create()
{ {
Suite *s; Suite *s;
@@ -230,5 +263,8 @@ Suite *ntru_suite_create()
tcase_add_test(tc, test_ntru_ciphertext); tcase_add_test(tc, test_ntru_ciphertext);
suite_add_tcase(s, tc); suite_add_tcase(s, tc);
tc = tcase_create("wrong_ciphertext");
tcase_add_test(tc, test_ntru_wrong_ciphertext);
suite_add_tcase(s, tc);
return s; return s;
} }