diff --git a/Esiur/Net/IIP/DistributedConnection.cs b/Esiur/Net/IIP/DistributedConnection.cs
index 4bc4963..68cac4a 100644
--- a/Esiur/Net/IIP/DistributedConnection.cs
+++ b/Esiur/Net/IIP/DistributedConnection.cs
@@ -833,7 +833,7 @@ public partial class DistributedConnection : NetworkConnection, IStore
                 }
             }
 
-            //Console.WriteLine(msg.GetString(offset, ends - offset));
+
 
             var rt = authPacket.Parse(msg, offset, ends);
 
@@ -1032,6 +1032,7 @@ public partial class DistributedConnection : NetworkConnection, IStore
                                             //SendParams((byte)0, localHash);
 
                                             var localHash = hashFunc.ComputeHash((new BinaryList()).AddUInt8Array(localNonce).AddUInt8Array(remoteNonce).AddUInt8Array(pw).ToArray());
+
                                             SendParams().AddUInt8(0).AddUInt8Array(localHash).Done();
 
                                             readyToEstablish = true;
diff --git a/Esiur/Security/Authority/Session.cs b/Esiur/Security/Authority/Session.cs
index 103d7f9..32eb05c 100644
--- a/Esiur/Security/Authority/Session.cs
+++ b/Esiur/Security/Authority/Session.cs
@@ -55,7 +55,6 @@ public class Session
 
     public Session(Authentication localAuthentication, Authentication remoteAuthentication)
     {
-
         this.localAuth = localAuthentication;
         this.remoteAuth = remoteAuthentication;
     }
diff --git a/Esiur/Security/Membership/AuthorizationResponse.cs b/Esiur/Security/Membership/AuthorizationResponse.cs
new file mode 100644
index 0000000..3ebb221
--- /dev/null
+++ b/Esiur/Security/Membership/AuthorizationResponse.cs
@@ -0,0 +1,13 @@
+using Esiur.Security.Authority;
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace Esiur.Security.Membership
+{
+    public class AuthorizationResponse
+    {
+        public Session Session { get; set; }
+        public bool Succeeded { get; set; }
+    }
+}
diff --git a/Esiur/Security/Membership/AuthorizationResults.cs b/Esiur/Security/Membership/AuthorizationResults.cs
new file mode 100644
index 0000000..1b7125b
--- /dev/null
+++ b/Esiur/Security/Membership/AuthorizationResults.cs
@@ -0,0 +1,16 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace Esiur.Security.Membership
+{
+    public class AuthorizationResults
+    {
+        AuthorizationResultsResponse Response { get; set; }
+        TwoFactorAuthorizationMethod TwoFactorMethod { get; set; }
+        public string Clue { get; set; }
+        public string AppName { get; set; }
+        public string Code { get; set; }
+        public int Timeout { get; set; }
+    }
+}
diff --git a/Esiur/Security/Membership/AuthorizationResultsResponse.cs b/Esiur/Security/Membership/AuthorizationResultsResponse.cs
new file mode 100644
index 0000000..730cdb5
--- /dev/null
+++ b/Esiur/Security/Membership/AuthorizationResultsResponse.cs
@@ -0,0 +1,13 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace Esiur.Security.Membership
+{
+    public enum AuthorizationResultsResponse
+    {
+        Success,
+        ServiceUnavailable,
+        TwoFactoryAuthorization,
+    }
+}
diff --git a/Esiur/Security/Membership/IMembership.cs b/Esiur/Security/Membership/IMembership.cs
index 33d5597..eb994df 100644
--- a/Esiur/Security/Membership/IMembership.cs
+++ b/Esiur/Security/Membership/IMembership.cs
@@ -1,6 +1,6 @@
 /*
  
-Copyright (c) 2017 Ahmed Kh. Zamil
+Copyright (c) 2017-2024 Ahmed Kh. Zamil
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
@@ -37,11 +37,17 @@ namespace Esiur.Security.Membership;
 
 public interface IMembership
 {
+    public event ResourceEventHandler<AuthorizationResponse> Authorization;
+
     AsyncReply<bool> UserExists(string username, string domain);
     AsyncReply<byte[]> GetPassword(string username, string domain);
     AsyncReply<byte[]> GetToken(ulong tokenIndex, string domain);
+    AsyncReply<AuthorizationResults> Authorize(Session session);
     AsyncReply<bool> Login(Session session);
     AsyncReply<bool> Logout(Session session);
     bool GuestsAllowed { get; }
     AsyncReply<string> TokenExists(ulong tokenIndex, string domain);
 }
+
+
+
diff --git a/Esiur/Security/Membership/TwoFactorAuthorizationMethod.cs b/Esiur/Security/Membership/TwoFactorAuthorizationMethod.cs
new file mode 100644
index 0000000..e110596
--- /dev/null
+++ b/Esiur/Security/Membership/TwoFactorAuthorizationMethod.cs
@@ -0,0 +1,15 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace Esiur.Security.Membership
+{
+    public enum TwoFactorAuthorizationMethod
+    {
+        Email,
+        SMS,
+        App,
+    }
+
+
+}