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-rw-r--r--tests/include/unittest.hh15
-rw-r--r--tests/test_axolotl.cpp129
2 files changed, 128 insertions, 16 deletions
diff --git a/tests/include/unittest.hh b/tests/include/unittest.hh
index fb1c90d..437ea77 100644
--- a/tests/include/unittest.hh
+++ b/tests/include/unittest.hh
@@ -36,11 +36,17 @@ char const * TEST_CASE;
template<typename T>
void assert_equals(
+ const char *file,
+ unsigned line,
+ const char *expected_expr,
+ const char *actual_expr,
T const & expected,
T const & actual
) {
if (expected != actual) {
std::cout << "FAILED: " << TEST_CASE << std::endl;
+ std::cout << file << ":" << line << std::endl;
+ std::cout << expected_expr << " == " << actual_expr << std::endl;
std::cout << "Expected: " << expected << std::endl;
std::cout << "Actual: " << actual << std::endl;
std::exit(1);
@@ -49,18 +55,27 @@ void assert_equals(
void assert_equals(
+ const char *file,
+ unsigned line,
+ const char *expected_expr,
+ const char *actual_expr,
std::uint8_t const * expected,
std::uint8_t const * actual,
std::size_t length
) {
if (std::memcmp(expected, actual, length)) {
std::cout << "FAILED: " << TEST_CASE << std::endl;
+ std::cout << file << ":" << line << std::endl;
+ std::cout << expected_expr << " == " << actual_expr << std::endl;
print_hex(std::cout << "Expected: ", expected, length) << std::endl;
print_hex(std::cout << "Actual: ", actual, length) << std::endl;
std::exit(1);
}
}
+#define assert_equals(expected, actual, ...) assert_equals( \
+ __FILE__, __LINE__, #expected, #actual, expected, actual, ##__VA_ARGS__ \
+)
class TestCase {
public:
diff --git a/tests/test_axolotl.cpp b/tests/test_axolotl.cpp
index 08de1cf..f268f2a 100644
--- a/tests/test_axolotl.cpp
+++ b/tests/test_axolotl.cpp
@@ -18,9 +18,6 @@
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";
@@ -31,31 +28,35 @@ axolotl::KdfInfo kdf_info = {
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";
+{ /* Send/Receive test case */
+TestCase test_case("Axolotl Send/Receive");
+
+axolotl::Session alice(kdf_info);
+axolotl::Session bob(kdf_info);
+
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 message_length, random_length, output_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);
{
+ /* Bob sends Alice a message */
+ message_length = bob.encrypt_max_output_length(plaintext_length);
+ random_length = bob.encrypt_random_length();
+ assert_equals(std::size_t(0), random_length);
+ output_length = alice.decrypt_max_plaintext_length(message_length);
+
std::uint8_t message[message_length];
- std::uint8_t actual[actual_length];
+ std::uint8_t output[output_length];
encrypt_length = bob.encrypt(
plaintext, plaintext_length,
@@ -66,12 +67,108 @@ actual_length = alice.decrypt_max_plaintext_length(message_length);
decrypt_length = alice.decrypt(
message, message_length,
- actual, actual_length
+ output, output_length
+ );
+ assert_equals(plaintext_length, decrypt_length);
+ assert_equals(plaintext, output, decrypt_length);
+}
+
+
+{
+ /* Alice sends Bob a message */
+ message_length = alice.encrypt_max_output_length(plaintext_length);
+ random_length = alice.encrypt_random_length();
+ assert_equals(std::size_t(32), random_length);
+ output_length = bob.decrypt_max_plaintext_length(message_length);
+
+ std::uint8_t message[message_length];
+ std::uint8_t output[output_length];
+ std::uint8_t random[] = "This is a random 32 byte string.";
+
+ encrypt_length = alice.encrypt(
+ plaintext, plaintext_length,
+ random, 32,
+ message, message_length
+ );
+ assert_equals(message_length, encrypt_length);
+
+ decrypt_length = bob.decrypt(
+ message, message_length,
+ output, output_length
);
assert_equals(plaintext_length, decrypt_length);
- assert_equals(plaintext, actual, decrypt_length);
+ assert_equals(plaintext, output, decrypt_length);
}
-} /* Loopback test case */
+} /* Send/receive message test case */
+
+{ /* Out of order test case */
+
+TestCase test_case("Axolotl Out of Order");
+
+axolotl::Session alice(kdf_info);
+axolotl::Session bob(kdf_info);
+
+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_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_max_output_length(plaintext_1_length);
+ random_length = alice.encrypt_random_length();
+ assert_equals(std::size_t(32), random_length);
+
+ 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, message_1_length
+ );
+ assert_equals(message_1_length, encrypt_length);
+
+ message_2_length = alice.encrypt_max_output_length(plaintext_2_length);
+ random_length = alice.encrypt_random_length();
+ assert_equals(std::size_t(0), random_length);
+
+ std::uint8_t message_2[message_2_length];
+ encrypt_length = alice.encrypt(
+ plaintext_2, plaintext_2_length,
+ NULL, 0,
+ message_2, message_2_length
+ );
+ assert_equals(message_2_length, encrypt_length);
+
+ output_length = bob.decrypt_max_plaintext_length(message_2_length);
+ std::uint8_t output_1[output_length];
+ decrypt_length = bob.decrypt(
+ message_2, message_2_length,
+ output_1, output_length
+ );
+ assert_equals(plaintext_2_length, decrypt_length);
+ assert_equals(plaintext_2, output_1, decrypt_length);
+
+ output_length = bob.decrypt_max_plaintext_length(message_1_length);
+ std::uint8_t output_2[output_length];
+ decrypt_length = bob.decrypt(
+ message_1, message_1_length,
+ output_2, output_length
+ );
+
+ assert_equals(plaintext_1_length, decrypt_length);
+ assert_equals(plaintext_1, output_2, decrypt_length);
+}
+
+} /* Out of order test case */
+
}
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