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Diffstat (limited to 'tests/test_group_session.cpp')
| -rw-r--r-- | tests/test_group_session.cpp | 240 |
1 files changed, 240 insertions, 0 deletions
diff --git a/tests/test_group_session.cpp b/tests/test_group_session.cpp new file mode 100644 index 0000000..9930927 --- /dev/null +++ b/tests/test_group_session.cpp @@ -0,0 +1,240 @@ +/* Copyright 2016 OpenMarket Ltd + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +#include "olm/inbound_group_session.h" +#include "olm/outbound_group_session.h" +#include "unittest.hh" + + +int main() { + +{ + TestCase test_case("Pickle outbound group session"); + + size_t size = olm_outbound_group_session_size(); + uint8_t memory[size]; + OlmOutboundGroupSession *session = olm_outbound_group_session(memory); + + size_t pickle_length = olm_pickle_outbound_group_session_length(session); + uint8_t pickle1[pickle_length]; + olm_pickle_outbound_group_session(session, + "secret_key", 10, + pickle1, pickle_length); + uint8_t pickle2[pickle_length]; + memcpy(pickle2, pickle1, pickle_length); + + uint8_t buffer2[size]; + OlmOutboundGroupSession *session2 = olm_outbound_group_session(buffer2); + size_t res = olm_unpickle_outbound_group_session(session2, + "secret_key", 10, + pickle2, pickle_length); + assert_not_equals((size_t)-1, res); + assert_equals(pickle_length, + olm_pickle_outbound_group_session_length(session2)); + olm_pickle_outbound_group_session(session2, + "secret_key", 10, + pickle2, pickle_length); + + assert_equals(pickle1, pickle2, pickle_length); +} + + +{ + TestCase test_case("Pickle inbound group session"); + + size_t size = olm_inbound_group_session_size(); + uint8_t memory[size]; + OlmInboundGroupSession *session = olm_inbound_group_session(memory); + + size_t pickle_length = olm_pickle_inbound_group_session_length(session); + uint8_t pickle1[pickle_length]; + olm_pickle_inbound_group_session(session, + "secret_key", 10, + pickle1, pickle_length); + uint8_t pickle2[pickle_length]; + memcpy(pickle2, pickle1, pickle_length); + + uint8_t buffer2[size]; + OlmInboundGroupSession *session2 = olm_inbound_group_session(buffer2); + size_t res = olm_unpickle_inbound_group_session(session2, + "secret_key", 10, + pickle2, pickle_length); + assert_not_equals((size_t)-1, res); + assert_equals(pickle_length, + olm_pickle_inbound_group_session_length(session2)); + olm_pickle_inbound_group_session(session2, + "secret_key", 10, + pickle2, pickle_length); + + assert_equals(pickle1, pickle2, pickle_length); +} + +{ + TestCase test_case("Group message send/receive"); + + uint8_t random_bytes[] = + "0123456789ABDEF0123456789ABCDEF" + "0123456789ABDEF0123456789ABCDEF" + "0123456789ABDEF0123456789ABCDEF" + "0123456789ABDEF0123456789ABCDEF" + "0123456789ABDEF0123456789ABCDEF" + "0123456789ABDEF0123456789ABCDEF"; + + + /* build the outbound session */ + size_t size = olm_outbound_group_session_size(); + uint8_t memory[size]; + OlmOutboundGroupSession *session = olm_outbound_group_session(memory); + + assert_equals((size_t)160, + olm_init_outbound_group_session_random_length(session)); + + size_t res = olm_init_outbound_group_session( + session, random_bytes, sizeof(random_bytes)); + assert_equals((size_t)0, res); + + assert_equals(0U, olm_outbound_group_session_message_index(session)); + size_t session_key_len = olm_outbound_group_session_key_length(session); + uint8_t session_key[session_key_len]; + olm_outbound_group_session_key(session, session_key, session_key_len); + + /* encode the message */ + uint8_t plaintext[] = "Message"; + size_t plaintext_length = sizeof(plaintext) - 1; + + size_t msglen = olm_group_encrypt_message_length( + session, plaintext_length); + + uint8_t msg[msglen]; + res = olm_group_encrypt(session, plaintext, plaintext_length, + msg, msglen); + assert_equals(msglen, res); + assert_equals(1U, olm_outbound_group_session_message_index(session)); + + + /* build the inbound session */ + size = olm_inbound_group_session_size(); + uint8_t inbound_session_memory[size]; + OlmInboundGroupSession *inbound_session = + olm_inbound_group_session(inbound_session_memory); + + res = olm_init_inbound_group_session( + inbound_session, session_key, session_key_len); + assert_equals((size_t)0, res); + + + /* Check the session ids */ + + size_t out_session_id_len = olm_outbound_group_session_id_length(session); + uint8_t out_session_id[out_session_id_len]; + assert_equals(out_session_id_len, olm_outbound_group_session_id( + session, out_session_id, out_session_id_len + )); + + size_t in_session_id_len = olm_inbound_group_session_id_length( + inbound_session + ); + uint8_t in_session_id[in_session_id_len]; + assert_equals(in_session_id_len, olm_inbound_group_session_id( + inbound_session, in_session_id, in_session_id_len + )); + + assert_equals(in_session_id_len, out_session_id_len); + assert_equals(out_session_id, in_session_id, in_session_id_len); + + /* decode the message */ + + /* olm_group_decrypt_max_plaintext_length destroys the input so we have to + copy it. */ + uint8_t msgcopy[msglen]; + memcpy(msgcopy, msg, msglen); + size = olm_group_decrypt_max_plaintext_length(inbound_session, msgcopy, msglen); + uint8_t plaintext_buf[size]; + res = olm_group_decrypt(inbound_session, msg, msglen, + plaintext_buf, size); + assert_equals(plaintext_length, res); + assert_equals(plaintext, plaintext_buf, res); +} + +{ + TestCase test_case("Invalid signature group message"); + + uint8_t plaintext[] = "Message"; + size_t plaintext_length = sizeof(plaintext) - 1; + + uint8_t session_key[] = + "AgAAAAAwMTIzNDU2Nzg5QUJERUYwMTIzNDU2Nzg5QUJDREVGMDEyMzQ1Njc4OUFCREVGM" + "DEyMzQ1Njc4OUFCQ0RFRjAxMjM0NTY3ODlBQkRFRjAxMjM0NTY3ODlBQkNERUYwMTIzND" + "U2Nzg5QUJERUYwMTIzNDU2Nzg5QUJDREVGMDEyMztqJ7zOtqQtYqOo0CpvDXNlMhV3HeJ" + "DpjrASKGLWdop4lx1cSN3Xv1TgfLPW8rhGiW+hHiMxd36nRuxscNv9k4oJA/KP+o0mi1w" + "v44StrEJ1wwx9WZHBUIWkQbaBSuBDw"; + + uint8_t message[] = + "AwgAEhAcbh6UpbByoyZxufQ+h2B+8XHMjhR69G8nP4pNZGl/3QMgrzCZPmP+F2aPLyKPz" + "xRPBMUkeXRJ6Iqm5NeOdx2eERgTW7P20CM+lL3Xpk+ZUOOPvsSQNaAL"; + size_t msglen = sizeof(message)-1; + + /* build the inbound session */ + size_t size = olm_inbound_group_session_size(); + uint8_t inbound_session_memory[size]; + OlmInboundGroupSession *inbound_session = + olm_inbound_group_session(inbound_session_memory); + + size_t res = olm_init_inbound_group_session( + inbound_session, session_key, sizeof(session_key)-1 + ); + assert_equals((size_t)0, res); + + /* decode the message */ + + /* olm_group_decrypt_max_plaintext_length destroys the input so we have to + copy it. */ + uint8_t msgcopy[msglen]; + memcpy(msgcopy, message, msglen); + size = olm_group_decrypt_max_plaintext_length( + inbound_session, msgcopy, msglen + ); + + memcpy(msgcopy, message, msglen); + uint8_t plaintext_buf[size]; + res = olm_group_decrypt( + inbound_session, msgcopy, msglen, plaintext_buf, size + ); + assert_equals(plaintext_length, res); + assert_equals(plaintext, plaintext_buf, res); + + /* now twiddle the signature */ + message[msglen-1] = 'E'; + memcpy(msgcopy, message, msglen); + assert_equals( + size, + olm_group_decrypt_max_plaintext_length( + inbound_session, msgcopy, msglen + ) + ); + + memcpy(msgcopy, message, msglen); + res = olm_group_decrypt( + inbound_session, msgcopy, msglen, + plaintext_buf, size + ); + assert_equals((size_t)-1, res); + assert_equals( + std::string("BAD_SIGNATURE"), + std::string(olm_inbound_group_session_last_error(inbound_session)) + ); +} + + +} |