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feat: wip network packet encryption

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Syntriax
2025-10-28 19:47:54 +03:00
parent 0691d7092c
commit 0bd2b0618d
5 changed files with 92 additions and 3 deletions
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34
Engine.Integration/Engine.Integration.LiteNetLib/LiteNetLibServer.cs
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@@ -13,6 +13,7 @@ public class LiteNetLibServer : LiteNetLibCommunicatorBase, INetworkCommunicator
public int Port { get; private set; } = 8888;
private readonly NetDataWriter netDataWriter = new();
private readonly NetDataWriter netDataWriterEncrypted = new();
public LiteNetLibServer() : this(8888, 2) { }
public LiteNetLibServer(int port, int maxConnectionCount) : base()
@@ -53,11 +54,25 @@ public class LiteNetLibServer : LiteNetLibCommunicatorBase, INetworkCommunicator
public INetworkCommunicatorServer SendToClient<T>(IConnection connection, T packet, PacketDelivery packetDelivery) where T : class, new()
{
netDataWriter.Reset();
netPacketProcessor.Write(netDataWriter, packet);
if (Manager.ConnectedPeerList.FirstOrDefault(p => p.Id.ToString().CompareTo(connection.Id) == 0) is not NetPeer netPeer)
throw new($"Peer {connection} couldn't be found.");
if (packet is INetworkPacketEncrypted) // TODO performance improvements
{
netDataWriterEncrypted.Reset();
netPacketProcessor.Write(netDataWriterEncrypted, packet);
byte[] encryptedData = cryptor.Encrypt(netDataWriterEncrypted.CopyData());
netDataWriter.Put(true);
netDataWriter.PutBytesWithLength(encryptedData);
}
else
{
netDataWriter.Put(false);
netPacketProcessor.Write(netDataWriter, packet);
}
switch (packetDelivery)
{
case PacketDelivery.ReliableInOrder: netPeer.Send(netDataWriter, DeliveryMethod.ReliableOrdered); break;
@@ -75,6 +90,23 @@ public class LiteNetLibServer : LiteNetLibCommunicatorBase, INetworkCommunicator
netDataWriter.Reset();
netPacketProcessor.Write(netDataWriter, packet);
if (packet is INetworkPacketEncrypted)
{
netDataWriterEncrypted.Reset();
logger?.Log($"Encrypted Packet Sending");
netPacketProcessor.Write(netDataWriterEncrypted, packet);
byte[] encryptedData = cryptor.Encrypt(netDataWriterEncrypted.CopyData());
netDataWriter.PutBytesWithLength(encryptedData);
netDataWriter.Put(true);
}
else
{
logger?.Log($"Regular Packet Sending");
netPacketProcessor.Write(netDataWriter, packet);
netDataWriter.Put(false);
}
switch (packetDelivery)
{
case PacketDelivery.ReliableInOrder: Manager.SendToAll(netDataWriter, DeliveryMethod.ReliableOrdered); break;