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| author | Andreas Steffen <andreas.steffen@strongswan.org> | 2013-11-22 20:38:05 +0100 |
|---|---|---|
| committer | Andreas Steffen <andreas.steffen@strongswan.org> | 2013-11-27 20:21:41 +0100 |
| commit | 9013973cc8e42d25a37100c14e53408b09ca48f7 (patch) | |
| tree | 7c6f8f4f41f0ad800be6f4d382a7a03e4c6247d8 | |
| parent | 885e699b58062ab14ca80022180408d3523dd817 (diff) | |
| download | strongswan-9013973cc8e42d25a37100c14e53408b09ca48f7.tar.bz2 strongswan-9013973cc8e42d25a37100c14e53408b09ca48f7.tar.xz | |
unit-tests: Added ntru wrong ciphertext test
| -rw-r--r-- | src/libstrongswan/plugins/ntru/ntru_ke.c | 1 | ||||
| -rw-r--r-- | src/libstrongswan/tests/suites/test_ntru.c | 36 |
2 files changed, 37 insertions, 0 deletions
diff --git a/src/libstrongswan/plugins/ntru/ntru_ke.c b/src/libstrongswan/plugins/ntru/ntru_ke.c index 8e4e5e93f..633245a58 100644 --- a/src/libstrongswan/plugins/ntru/ntru_ke.c +++ b/src/libstrongswan/plugins/ntru/ntru_ke.c @@ -177,6 +177,7 @@ METHOD(diffie_hellman_t, get_shared_secret, status_t, { if (!this->computed || !this->shared_secret.len) { + *secret = chunk_empty; return FAILED; } *secret = chunk_clone(this->shared_secret); diff --git a/src/libstrongswan/tests/suites/test_ntru.c b/src/libstrongswan/tests/suites/test_ntru.c index 5b59f53e5..59851eee5 100644 --- a/src/libstrongswan/tests/suites/test_ntru.c +++ b/src/libstrongswan/tests/suites/test_ntru.c @@ -176,15 +176,22 @@ END_TEST START_TEST(test_ntru_ciphertext) { + char buf_00[604], buf_ff[604]; + chunk_t test[] = { chunk_empty, chunk_from_chars(0x00), + chunk_create(buf_00, sizeof(buf_00)), + chunk_create(buf_ff, sizeof(buf_ff)), }; diffie_hellman_t *i_ntru; chunk_t pub_key, shared_secret; int i; + memset(buf_00, 0x00, sizeof(buf_00)); + memset(buf_ff, 0xff, sizeof(buf_ff)); + for (i = 0; i < countof(test); i++) { i_ntru = lib->crypto->create_dh(lib->crypto, NTRU_128_BIT); @@ -199,6 +206,32 @@ START_TEST(test_ntru_ciphertext) } 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 *s; @@ -230,5 +263,8 @@ Suite *ntru_suite_create() tcase_add_test(tc, test_ntru_ciphertext); 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; } |