diff --git a/Client/Program.cs b/Client/Program.cs
index 45ad402..16a7a0a 100644
--- a/Client/Program.cs
+++ b/Client/Program.cs
@@ -1,6 +1,7 @@
 using OSTLibrary.Chats;
 using OSTLibrary.Classes;
 using OSTLibrary.Networks;
+using OSTLibrary.Securities;
 using System;
 using System.Collections.Generic;
 using System.Diagnostics;
@@ -95,7 +96,7 @@ static void Recieve()
                 object pakcetObj = null;
                 try
                 {
-                    pakcetObj = Packet.Deserialize(readBuffer);
+                    pakcetObj = Packet.Deserialize(AES256.Decrypt(readBuffer));
                 }
                 catch (Exception ex)
                 {
@@ -119,7 +120,7 @@ public static void Send(Packet packet)
         {
             lock (locker)
             {
-                byte[] sendBuffer = packet.Serialize();
+                byte[] sendBuffer = AES256.Encrypt(packet.Serialize());
                 byte[] lengthBuffer = BitConverter.GetBytes(sendBuffer.Length);
 
                 ns.Write(lengthBuffer, 0, 4);
diff --git a/Server/Classes/Client.cs b/Server/Classes/Client.cs
index 958ca84..3218c73 100644
--- a/Server/Classes/Client.cs
+++ b/Server/Classes/Client.cs
@@ -67,7 +67,7 @@ public void Recieve()
                 object pakcetObj = null;
                 try
                 {
-                    pakcetObj = Packet.Deserialize(readBuffer);
+                    pakcetObj = Packet.Deserialize(AES256.Decrypt(readBuffer));
                 }
                 catch (Exception ex)
                 {
@@ -256,7 +256,7 @@ public void Send(Packet packet)
         {
             lock (this)
             {
-                byte[] sendBuffer = packet.Serialize();
+                byte[] sendBuffer = AES256.Encrypt(packet.Serialize());
                 byte[] lengthBuffer = BitConverter.GetBytes(sendBuffer.Length);
 
                 ns.Write(lengthBuffer, 0, 4);