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-rw-r--r--tests/test_ratchet.cpp222
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diff --git a/tests/test_ratchet.cpp b/tests/test_ratchet.cpp
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--- a/tests/test_ratchet.cpp
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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 "olm/ratchet.hh"
-#include "olm/cipher.h"
-#include "unittest.hh"
-
-#include <vector>
-
-int main() {
-
-std::uint8_t root_info[] = "Olm";
-std::uint8_t ratchet_info[] = "OlmRatchet";
-std::uint8_t message_info[] = "OlmMessageKeys";
-
-olm::KdfInfo kdf_info = {
- root_info, sizeof(root_info) - 1,
- ratchet_info, sizeof(ratchet_info) - 1
-};
-
-_olm_cipher_aes_sha_256 cipher0 = OLM_CIPHER_INIT_AES_SHA_256(message_info);
-_olm_cipher *cipher = OLM_CIPHER_BASE(&cipher0);
-
-std::uint8_t random_bytes[] = "0123456789ABDEF0123456789ABCDEF";
-_olm_curve25519_key_pair alice_key;
-_olm_crypto_curve25519_generate_key(random_bytes, &alice_key);
-
-std::uint8_t shared_secret[] = "A secret";
-
-{ /* Send/Receive test case */
-TestCase test_case("Olm Send/Receive");
-
-olm::Ratchet alice(kdf_info, cipher);
-olm::Ratchet bob(kdf_info, cipher);
-
-alice.initialise_as_alice(shared_secret, sizeof(shared_secret) - 1, alice_key);
-bob.initialise_as_bob(shared_secret, sizeof(shared_secret) - 1, alice_key.public_key);
-
-std::uint8_t plaintext[] = "Message";
-std::size_t plaintext_length = sizeof(plaintext) - 1;
-
-std::size_t message_length, random_length, output_length;
-std::size_t encrypt_length, decrypt_length;
-{
- /* Alice sends Bob a message */
- message_length = alice.encrypt_output_length(plaintext_length);
- random_length = alice.encrypt_random_length();
- assert_equals(std::size_t(0), random_length);
-
- std::vector<std::uint8_t> message(message_length);
-
- encrypt_length = alice.encrypt(
- plaintext, plaintext_length,
- NULL, 0,
- message.data(), message_length
- );
- assert_equals(message_length, encrypt_length);
-
- output_length = bob.decrypt_max_plaintext_length(message.data(), message_length);
- std::vector<std::uint8_t> output(output_length);
- decrypt_length = bob.decrypt(
- message.data(), message_length,
- output.data(), output_length
- );
- assert_equals(plaintext_length, decrypt_length);
- assert_equals(plaintext, output.data(), decrypt_length);
-}
-
-
-{
- /* Bob sends Alice a message */
- message_length = bob.encrypt_output_length(plaintext_length);
- random_length = bob.encrypt_random_length();
- assert_equals(std::size_t(32), random_length);
-
- std::vector<std::uint8_t> message(message_length);
- std::uint8_t random[] = "This is a random 32 byte string.";
-
- encrypt_length = bob.encrypt(
- plaintext, plaintext_length,
- random, 32,
- message.data(), message_length
- );
- assert_equals(message_length, encrypt_length);
-
- output_length = alice.decrypt_max_plaintext_length(message.data(), message_length);
- std::vector<std::uint8_t> output(output_length);
- decrypt_length = alice.decrypt(
- message.data(), message_length,
- output.data(), output_length
- );
- assert_equals(plaintext_length, decrypt_length);
- assert_equals(plaintext, output.data(), decrypt_length);
-}
-
-} /* Send/receive message test case */
-
-{ /* Out of order test case */
-
-TestCase test_case("Olm Out of Order");
-
-olm::Ratchet alice(kdf_info, cipher);
-olm::Ratchet bob(kdf_info, cipher);
-
-alice.initialise_as_alice(shared_secret, sizeof(shared_secret) - 1, alice_key);
-bob.initialise_as_bob(shared_secret, sizeof(shared_secret) - 1, alice_key.public_key);
-
-std::uint8_t plaintext_1[] = "First Message";
-std::size_t plaintext_1_length = sizeof(plaintext_1) - 1;
-
-std::uint8_t plaintext_2[] = "Second Messsage. A bit longer than the first.";
-std::size_t plaintext_2_length = sizeof(plaintext_2) - 1;
-
-std::size_t message_1_length, message_2_length, random_length, output_length;
-std::size_t encrypt_length, decrypt_length;
-
-{
- /* Alice sends Bob two messages and they arrive out of order */
- message_1_length = alice.encrypt_output_length(plaintext_1_length);
- random_length = alice.encrypt_random_length();
- assert_equals(std::size_t(0), random_length);
-
- std::vector<std::uint8_t> message_1(message_1_length);
- std::uint8_t random[] = "This is a random 32 byte string.";
- encrypt_length = alice.encrypt(
- plaintext_1, plaintext_1_length,
- random, 32,
- message_1.data(), message_1_length
- );
- assert_equals(message_1_length, encrypt_length);
-
- message_2_length = alice.encrypt_output_length(plaintext_2_length);
- random_length = alice.encrypt_random_length();
- assert_equals(std::size_t(0), random_length);
-
- std::vector<std::uint8_t> message_2(message_2_length);
- encrypt_length = alice.encrypt(
- plaintext_2, plaintext_2_length,
- NULL, 0,
- message_2.data(), message_2_length
- );
- assert_equals(message_2_length, encrypt_length);
-
- output_length = bob.decrypt_max_plaintext_length(
- message_2.data(), message_2_length
- );
- std::vector<std::uint8_t> output_1(output_length);
- decrypt_length = bob.decrypt(
- message_2.data(), message_2_length,
- output_1.data(), output_length
- );
- assert_equals(plaintext_2_length, decrypt_length);
- assert_equals(plaintext_2, output_1.data(), decrypt_length);
-
- output_length = bob.decrypt_max_plaintext_length(
- message_1.data(), message_1_length
- );
- std::vector<std::uint8_t> output_2(output_length);
- decrypt_length = bob.decrypt(
- message_1.data(), message_1_length,
- output_2.data(), output_length
- );
-
- assert_equals(plaintext_1_length, decrypt_length);
- assert_equals(plaintext_1, output_2.data(), decrypt_length);
-}
-
-} /* Out of order test case */
-
-{ /* More messages */
-
-TestCase test_case("Olm More Messages");
-
-olm::Ratchet alice(kdf_info, cipher);
-olm::Ratchet bob(kdf_info, cipher);
-
-alice.initialise_as_alice(shared_secret, sizeof(shared_secret) - 1, alice_key);
-bob.initialise_as_bob(shared_secret, sizeof(shared_secret) - 1, alice_key.public_key);
-
-std::uint8_t plaintext[] = "These 15 bytes";
-assert_equals(std::size_t(15), sizeof(plaintext));
-std::uint8_t random[] = "This is a random 32 byte string";
-
-for (unsigned i = 0; i < 8; ++i) {
-{
- std::vector<std::uint8_t> msg(alice.encrypt_output_length(sizeof(plaintext)));
- alice.encrypt(
- plaintext, 15, random, 32, msg.data(), msg.size()
- );
- std::vector<std::uint8_t> output(bob.decrypt_max_plaintext_length(msg.data(), msg.size()));
- assert_equals(
- std::size_t(15), bob.decrypt(msg.data(), msg.size(), output.data(), output.size())
- );
-}
-random[31]++;
-{
- std::vector<std::uint8_t> msg(bob.encrypt_output_length(sizeof(plaintext)));
- bob.encrypt(
- plaintext, 15, random, 32, msg.data(), msg.size()
- );
- std::vector<std::uint8_t> output(alice.decrypt_max_plaintext_length(msg.data(), msg.size()));
- assert_equals(
- std::size_t(15), alice.decrypt(msg.data(), msg.size(), output.data(), output.size())
- );
-}
-random[31]++;
-}
-
-}
-
-}