/* Copyright 2015 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 "axolotl/axolotl.hh" #include "unittest.hh" int main() { { /* Loopback test case */ TestCase test_case("Axolotl Loopback 1"); std::uint8_t root_info[] = "Axolotl"; std::uint8_t ratchet_info[] = "AxolotlRatchet"; std::uint8_t message_info[] = "AxolotlMessageKeys"; axolotl::KdfInfo kdf_info = { root_info, sizeof(root_info) - 1, ratchet_info, sizeof(ratchet_info - 1), message_info, sizeof(ratchet_info - 1) }; axolotl::Session alice(kdf_info); axolotl::Session bob(kdf_info); std::uint8_t random_bytes[] = "0123456789ABDEF0123456789ABCDEF"; axolotl::Curve25519KeyPair bob_key; axolotl::generate_key(random_bytes, bob_key); std::uint8_t shared_secret[] = "A secret"; alice.initialise_as_bob(shared_secret, sizeof(shared_secret) - 1, bob_key); bob.initialise_as_alice(shared_secret, sizeof(shared_secret) - 1, bob_key); std::uint8_t plaintext[] = "Message"; std::size_t plaintext_length = sizeof(plaintext) - 1; std::size_t message_length, random_length, actual_length; std::size_t encrypt_length, decrypt_length; message_length = bob.encrypt_max_output_length(plaintext_length); random_length = bob.encrypt_random_length(); assert_equals(std::size_t(0), random_length); actual_length = alice.decrypt_max_plaintext_length(message_length); { std::uint8_t message[message_length]; std::uint8_t actual[actual_length]; encrypt_length = bob.encrypt( plaintext, plaintext_length, NULL, 0, message, message_length ); assert_equals(message_length, encrypt_length); decrypt_length = alice.decrypt( message, message_length, actual, actual_length ); assert_equals(plaintext_length, decrypt_length); assert_equals(plaintext, actual, decrypt_length); } } /* Loopback test case */ }