diff options
| -rw-r--r-- | tests/test_axolotl.cpp | 106 | ||||
| -rw-r--r-- | tests/test_ratchet.cpp | 78 |
2 files changed, 165 insertions, 19 deletions
diff --git a/tests/test_axolotl.cpp b/tests/test_axolotl.cpp index 0de81de..e8bfcc8 100644 --- a/tests/test_axolotl.cpp +++ b/tests/test_axolotl.cpp @@ -157,7 +157,113 @@ assert_equals(std::size_t(-1), ::axolotl_decrypt( plaintext_2, sizeof(plaintext_2) )); +} + +{ /** More messages test */ + +TestCase test_case("More messages test"); +MockRandom mock_random_a('A', 0x00); +MockRandom mock_random_b('B', 0x80); + +std::uint8_t a_account_buffer[::axolotl_account_size()]; +::AxolotlAccount *a_account = ::axolotl_account(a_account_buffer); +std::uint8_t a_random[::axolotl_create_account_random_length(a_account)]; +mock_random_a(a_random, sizeof(a_random)); +::axolotl_create_account(a_account, a_random, sizeof(a_random)); +std::uint8_t b_account_buffer[::axolotl_account_size()]; +::AxolotlAccount *b_account = ::axolotl_account(b_account_buffer); +std::uint8_t b_random[::axolotl_create_account_random_length(b_account)]; +mock_random_b(b_random, sizeof(b_random)); +::axolotl_create_account(b_account, b_random, sizeof(b_random)); + +std::uint8_t b_id_keys[::axolotl_account_identity_keys_length(b_account)]; +std::uint8_t b_ot_keys[::axolotl_account_one_time_keys_length(b_account)]; +::axolotl_account_identity_keys(b_account, b_id_keys, sizeof(b_id_keys)); +::axolotl_account_one_time_keys(b_account, b_ot_keys, sizeof(b_ot_keys)); + +std::uint8_t a_session_buffer[::axolotl_session_size()]; +::AxolotlSession *a_session = ::axolotl_session(a_session_buffer); +std::uint8_t a_rand[::axolotl_create_outbound_session_random_length(a_session)]; +mock_random_a(a_rand, sizeof(a_rand)); +assert_not_equals(std::size_t(-1), ::axolotl_create_outbound_session( + a_session, a_account, + b_id_keys + 14, 43, + ::atol((char *)(b_ot_keys + 62)), b_ot_keys + 74, 43, + a_rand, sizeof(a_rand) +)); + +std::uint8_t plaintext[] = "Hello, World"; +std::uint8_t message_1[::axolotl_encrypt_message_length(a_session, 12)]; +std::uint8_t a_message_random[::axolotl_encrypt_random_length(a_session)]; +mock_random_a(a_message_random, sizeof(a_message_random)); +assert_equals(std::size_t(0), ::axolotl_encrypt_message_type(a_session)); +assert_not_equals(std::size_t(-1), ::axolotl_encrypt( + a_session, + plaintext, 12, + a_message_random, sizeof(a_message_random), + message_1, sizeof(message_1) +)); + +std::uint8_t tmp_message_1[sizeof(message_1)]; +std::memcpy(tmp_message_1, message_1, sizeof(message_1)); +std::uint8_t b_session_buffer[::axolotl_account_size()]; +::AxolotlSession *b_session = ::axolotl_session(b_session_buffer); +::axolotl_create_inbound_session( + b_session, b_account, tmp_message_1, sizeof(message_1) +); + +std::memcpy(tmp_message_1, message_1, sizeof(message_1)); +std::uint8_t plaintext_1[::axolotl_decrypt_max_plaintext_length( + b_session, 0, tmp_message_1, sizeof(message_1) +)]; +std::memcpy(tmp_message_1, message_1, sizeof(message_1)); +assert_equals(std::size_t(12), ::axolotl_decrypt( + b_session, 0, + tmp_message_1, sizeof(message_1), + plaintext_1, sizeof(plaintext_1) +)); + +for (unsigned i = 0; i < 8; ++i) { + { + std::uint8_t msg_a[::axolotl_encrypt_message_length(a_session, 12)]; + std::uint8_t rnd_a[::axolotl_encrypt_random_length(a_session)]; + mock_random_a(rnd_a, sizeof(rnd_a)); + std::size_t type_a = ::axolotl_encrypt_message_type(a_session); + assert_not_equals(std::size_t(-1), ::axolotl_encrypt( + a_session, plaintext, 12, rnd_a, sizeof(rnd_a), msg_a, sizeof(msg_a) + )); + + std::uint8_t tmp_a[sizeof(msg_a)]; + std::memcpy(tmp_a, msg_a, sizeof(msg_a)); + std::uint8_t out_a[::axolotl_decrypt_max_plaintext_length( + b_session, type_a, tmp_a, sizeof(tmp_a) + )]; + std::memcpy(tmp_a, msg_a, sizeof(msg_a)); + assert_equals(std::size_t(12), ::axolotl_decrypt( + b_session, type_a, msg_a, sizeof(msg_a), out_a, sizeof(out_a) + )); + } + { + std::uint8_t msg_b[::axolotl_encrypt_message_length(b_session, 12)]; + std::uint8_t rnd_b[::axolotl_encrypt_random_length(b_session)]; + mock_random_b(rnd_b, sizeof(rnd_b)); + std::size_t type_b = ::axolotl_encrypt_message_type(b_session); + assert_not_equals(std::size_t(-1), ::axolotl_encrypt( + b_session, plaintext, 12, rnd_b, sizeof(rnd_b), msg_b, sizeof(msg_b) + )); + + std::uint8_t tmp_b[sizeof(msg_b)]; + std::memcpy(tmp_b, msg_b, sizeof(msg_b)); + std::uint8_t out_b[::axolotl_decrypt_max_plaintext_length( + a_session, type_b, tmp_b, sizeof(tmp_b) + )]; + std::memcpy(tmp_b, msg_b, sizeof(msg_b)); + assert_equals(std::size_t(12), ::axolotl_decrypt( + a_session, type_b, msg_b, sizeof(msg_b), out_b, sizeof(out_b) + )); + } +} } } diff --git a/tests/test_ratchet.cpp b/tests/test_ratchet.cpp index e1a0519..fbc5031 100644 --- a/tests/test_ratchet.cpp +++ b/tests/test_ratchet.cpp @@ -33,8 +33,8 @@ axolotl::CipherAesSha256 cipher( ); std::uint8_t random_bytes[] = "0123456789ABDEF0123456789ABCDEF"; -axolotl::Curve25519KeyPair bob_key; -axolotl::generate_key(random_bytes, bob_key); +axolotl::Curve25519KeyPair alice_key; +axolotl::generate_key(random_bytes, alice_key); std::uint8_t shared_secret[] = "A secret"; @@ -44,8 +44,8 @@ TestCase test_case("Axolotl Send/Receive"); axolotl::Ratchet alice(kdf_info, cipher); axolotl::Ratchet bob(kdf_info, cipher); -alice.initialise_as_bob(shared_secret, sizeof(shared_secret) - 1, bob_key); -bob.initialise_as_alice(shared_secret, sizeof(shared_secret) - 1, bob_key); +alice.initialise_as_alice(shared_secret, sizeof(shared_secret) - 1, alice_key); +bob.initialise_as_bob(shared_secret, sizeof(shared_secret) - 1, alice_key); std::uint8_t plaintext[] = "Message"; std::size_t plaintext_length = sizeof(plaintext) - 1; @@ -53,23 +53,23 @@ std::size_t plaintext_length = sizeof(plaintext) - 1; std::size_t message_length, random_length, output_length; std::size_t encrypt_length, decrypt_length; { - /* Bob sends Alice a message */ - message_length = bob.encrypt_output_length(plaintext_length); - random_length = bob.encrypt_random_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::uint8_t message[message_length]; - encrypt_length = bob.encrypt( + encrypt_length = alice.encrypt( plaintext, plaintext_length, NULL, 0, message, message_length ); assert_equals(message_length, encrypt_length); - output_length = alice.decrypt_max_plaintext_length(message, message_length); + output_length = bob.decrypt_max_plaintext_length(message, message_length); std::uint8_t output[output_length]; - decrypt_length = alice.decrypt( + decrypt_length = bob.decrypt( message, message_length, output, output_length ); @@ -79,24 +79,24 @@ 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(); + /* 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::uint8_t message[message_length]; std::uint8_t random[] = "This is a random 32 byte string."; - encrypt_length = alice.encrypt( + encrypt_length = bob.encrypt( plaintext, plaintext_length, random, 32, message, message_length ); assert_equals(message_length, encrypt_length); - output_length = bob.decrypt_max_plaintext_length(message, message_length); + output_length = alice.decrypt_max_plaintext_length(message, message_length); std::uint8_t output[output_length]; - decrypt_length = bob.decrypt( + decrypt_length = alice.decrypt( message, message_length, output, output_length ); @@ -113,8 +113,8 @@ TestCase test_case("Axolotl Out of Order"); axolotl::Ratchet alice(kdf_info, cipher); axolotl::Ratchet bob(kdf_info, cipher); -alice.initialise_as_bob(shared_secret, sizeof(shared_secret) - 1, bob_key); -bob.initialise_as_alice(shared_secret, sizeof(shared_secret) - 1, bob_key); +alice.initialise_as_alice(shared_secret, sizeof(shared_secret) - 1, alice_key); +bob.initialise_as_bob(shared_secret, sizeof(shared_secret) - 1, alice_key); std::uint8_t plaintext_1[] = "First Message"; std::size_t plaintext_1_length = sizeof(plaintext_1) - 1; @@ -129,7 +129,7 @@ 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(32), random_length); + assert_equals(std::size_t(0), random_length); std::uint8_t message_1[message_1_length]; std::uint8_t random[] = "This is a random 32 byte string."; @@ -178,5 +178,45 @@ std::size_t encrypt_length, decrypt_length; } /* Out of order test case */ +{ /* More messages */ + +TestCase test_case("Axolotl More Messages"); + +axolotl::Ratchet alice(kdf_info, cipher); +axolotl::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); + +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::uint8_t msg[alice.encrypt_output_length(sizeof(plaintext))]; + std::uint8_t encrypt_length = alice.encrypt( + plaintext, 15, random, 32, msg, sizeof(msg) + ); + std::uint8_t output[bob.decrypt_max_plaintext_length(msg, sizeof(msg))]; + assert_equals( + std::size_t(15), bob.decrypt(msg, sizeof(msg), output, sizeof(output)) + ); +} +random[31]++; +{ + std::uint8_t msg[bob.encrypt_output_length(sizeof(plaintext))]; + std::uint8_t encrypt_length = bob.encrypt( + plaintext, 15, random, 32, msg, sizeof(msg) + ); + std::uint8_t output[alice.decrypt_max_plaintext_length(msg, sizeof(msg))]; + assert_equals( + std::size_t(15), alice.decrypt(msg, sizeof(msg), output, sizeof(output)) + ); +} +random[31]++; +} + +} } |