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/* 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/message.hh"
#include "unittest.hh"
int main() {
std::uint8_t message1[36] = "\x03\n\nratchetkey\x10\x01\"\nciphertexthmacsha2";
std::uint8_t message2[36] = "\x03\x10\x01\n\nratchetkey\"\nciphertexthmacsha2";
std::uint8_t ratchetkey[11] = "ratchetkey";
std::uint8_t ciphertext[11] = "ciphertext";
std::uint8_t hmacsha2[9] = "hmacsha2";
{ /* Message decode test */
TestCase test_case("Message decode test");
axolotl::MessageReader reader;
axolotl::decode_message(reader, message1, 35, 8);
assert_equals(std::uint8_t(3), reader.version);
assert_equals(std::uint32_t(1), reader.counter);
assert_equals(std::size_t(10), reader.ratchet_key_length);
assert_equals(std::size_t(10), reader.ciphertext_length);
assert_equals(ratchetkey, reader.ratchet_key, 10);
assert_equals(ciphertext, reader.ciphertext, 10);
} /* Message decode test */
{ /* Message encode test */
TestCase test_case("Message encode test");
std::size_t length = axolotl::encode_message_length(1, 10, 10, 8);
assert_equals(std::size_t(35), length);
std::uint8_t output[length];
axolotl::MessageWriter writer;
axolotl::encode_message(writer, 3, 1, 10, 10, output);
std::memcpy(writer.ratchet_key, ratchetkey, 10);
std::memcpy(writer.ciphertext, ciphertext, 10);
std::memcpy(output + length - 8, hmacsha2, 8);
assert_equals(message2, output, 35);
} /* Message encode test */
}
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