public void EncryptDecrypt_ToClient_Succeeds()
{
var version = (ushort)55;
var aesKey = (ulong)0x52330F1BB4060813;
var iv = (uint)0;
var encryptor = new MapleCipher(version, aesKey);
encryptor.SetIv(iv);
var packet = new PacketWriter();
packet.WriteByte(1);
packet.WriteShort(2);
packet.WriteInt(4);
packet.WriteLong(8);
var originalPacket = packet.ToArray();
var encryptedPacket = encryptor.Encrypt(packet.ToArray().AsSpan(), true);
var decryptor = new MapleCipher(version, aesKey);
decryptor.SetIv(iv);
var decryptedPacket = decryptor.Decrypt(encryptedPacket.ToArray().AsSpan());
Assert.AreEqual(originalPacket.ByteArrayToString(), decryptedPacket.ByteArrayToString());
}
public void CheckHeaderToServer_Valid_Succeeds()
{
var version = (ushort)55;
var aesKey = (ulong)0x52330F1BB4060813;
var iv = (uint)0;
var cryptoInstance = new MapleCipher(version, aesKey);
cryptoInstance.SetIv(iv);
var packet = new PacketWriter();
packet.WriteByte(1);
packet.WriteShort(2);
packet.WriteInt(4);
packet.WriteLong(8);
var encryptedPacket = cryptoInstance.Encrypt(packet.ToArray().AsSpan(), false);
var checkCrypto = new MapleCipher(version, aesKey);
checkCrypto.SetIv(iv);
Assert.IsTrue(checkCrypto.CheckHeaderToServer(encryptedPacket));
}
public void GetPacketLength_ToServer_Succeeds()
{
var version = (ushort)55;
var aesKey = (ulong)0x52330F1BB4060813;
var iv = (uint)0;
var cryptoInstance = new MapleCipher(version, aesKey);
cryptoInstance.SetIv(iv);
var packet = new PacketWriter();
packet.WriteByte(1);
packet.WriteShort(2);
packet.WriteInt(4);
packet.WriteLong(8);
var originalPacket = packet.ToArray();
var encryptedPacket = cryptoInstance.Encrypt(packet.ToArray().AsSpan(), false);
var decryptedLength = MapleCipher.GetPacketLength(encryptedPacket);
Assert.AreEqual(originalPacket.Length, decryptedLength);
}
public void EncryptDecryptProvider_ToClient_Succeeds()
{
var version = (ushort)55;
var aesKey = (ulong)0x52330F1BB4060813;
var iv = (uint)0;
var encryptor = new MapleCipher(version, aesKey);
encryptor.SetIv(iv);
var packet = new PacketWriter();
packet.WriteByte(1);
packet.WriteShort(2);
packet.WriteInt(4);
packet.WriteLong(8);
var originalPacket = packet.ToArray();
var encryptedPacket = encryptor.Encrypt(packet.ToArray().AsSpan(), true);
var waiter = new ManualResetEventSlim();
var provider = new MapleCipherProvider(version, aesKey, toClient: false);
provider.SetVectors(0, 0);
var buffer = encryptedPacket.ToArray().AsMemory();
provider.PacketFinished += received =>
{
Assert.AreEqual(originalPacket.Length, received.Length, "Packet length should match");
Assert.AreEqual(originalPacket.ByteArrayToString(), received.ByteArrayToString());
waiter.Set();
};
provider.Decrypt(buffer.Span);
waiter.Wait();
}