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/* Copyright 2015-2016 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/message.hh"
#include "testing.hh"
std::uint8_t message1[36] = "\x03\x10\x01\n\nratchetkey\"\nciphertexthmacsha2";
std::uint8_t message2[36] = "\x03\n\nratchetkey\x10\x01\"\nciphertexthmacsha2";
const std::uint8_t ratchetkey[11] = "ratchetkey";
const std::uint8_t ciphertext[11] = "ciphertext";
std::uint8_t hmacsha2[9] = "hmacsha2";
/* Message decode test */
TEST_CASE("Message decode test") {
olm::MessageReader reader;
olm::decode_message(reader, message1, 35, 8);
CHECK_EQ(std::uint8_t(3), reader.version);
CHECK_EQ(true, reader.has_counter);
CHECK_EQ(std::uint32_t(1), reader.counter);
CHECK_EQ(std::size_t(10), reader.ratchet_key_length);
CHECK_EQ(std::size_t(10), reader.ciphertext_length);
CHECK_EQ_SIZE(ratchetkey, reader.ratchet_key, 10);
CHECK_EQ_SIZE(ciphertext, reader.ciphertext, 10);
} /* Message decode test */
/* Message encode test */
TEST_CASE("Message encode test") {
std::size_t length = olm::encode_message_length(1, 10, 10, 8);
CHECK_EQ(std::size_t(35), length);
std::uint8_t output[35];
olm::MessageWriter writer;
olm::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);
CHECK_EQ_SIZE(message2, output, 35);
} /* Message encode test */
/* group message encode test */
TEST_CASE("Group message encode test") {
size_t length = _olm_encode_group_message_length(200, 10, 8, 64);
size_t expected_length = 1 + (1+2) + (2+10) + 8 + 64;
CHECK_EQ(expected_length, length);
uint8_t output[50];
uint8_t *ciphertext_ptr;
_olm_encode_group_message(
3,
200, // counter
10, // ciphertext length
output,
&ciphertext_ptr
);
uint8_t expected[] =
"\x03"
"\x08\xC8\x01"
"\x12\x0A";
CHECK_EQ_SIZE(expected, output, sizeof(expected)-1);
CHECK_EQ(output+sizeof(expected)-1, ciphertext_ptr);
} /* group message encode test */
TEST_CASE("Group message decode test") {
struct _OlmDecodeGroupMessageResults results;
std::uint8_t message[] =
"\x03"
"\x08\xC8\x01"
"\x12\x0A" "ciphertext"
"hmacsha2"
"ed25519signature";
_olm_decode_group_message(message, sizeof(message)-1, 8, 16, &results);
CHECK_EQ(std::uint8_t(3), results.version);
CHECK_EQ(1, results.has_message_index);
CHECK_EQ(std::uint32_t(200), results.message_index);
CHECK_EQ(std::size_t(10), results.ciphertext_length);
CHECK_EQ_SIZE(ciphertext, results.ciphertext, 10);
} /* group message decode test */
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