diff --git a/Esiur/Esiur.csproj b/Esiur/Esiur.csproj
index dd8b11b..abf4ed2 100644
--- a/Esiur/Esiur.csproj
+++ b/Esiur/Esiur.csproj
@@ -62,7 +62,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.CodeAnalysis.Common" Version="4.6.0" />
+    <PackageReference Include="Microsoft.CodeAnalysis.Common" Version="4.9.2" />
     <PackageReference Include="System.Collections" Version="4.3.0" />
     <PackageReference Include="System.ComponentModel.Annotations" Version="5.0.0" />
     <PackageReference Include="System.Diagnostics.StackTrace" Version="4.3.0" />
@@ -73,10 +73,10 @@
     <PackageReference Include="System.Net.Security" Version="4.3.2" />
     <PackageReference Include="System.Reflection.Emit" Version="4.7.0" />
     <PackageReference Include="System.Reflection.Emit.Lightweight" Version="4.7.0" />
-    <PackageReference Include="System.Text.Json" Version="7.0.2" GeneratePathProperty="true" />
+    <PackageReference Include="System.Text.Json" Version="8.0.3" GeneratePathProperty="true" />
     <PackageReference Include="System.Threading.Tasks.Extensions" Version="4.5.4" />
 
-    <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="4.6.0" PrivateAssets="all" />
+    <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="4.9.2" PrivateAssets="all" />
     <PackageReference Include="Microsoft.CodeAnalysis.Analyzers" Version="3.3.4" PrivateAssets="all" />
 
   </ItemGroup>
diff --git a/Esiur/Net/IIP/DistributedConnection.cs b/Esiur/Net/IIP/DistributedConnection.cs
index b128540..4bc4963 100644
--- a/Esiur/Net/IIP/DistributedConnection.cs
+++ b/Esiur/Net/IIP/DistributedConnection.cs
@@ -226,42 +226,94 @@ public partial class DistributedConnection : NetworkConnection, IStore
 
     private void Declare()
     {
-        var dmn = DC.ToBytes(session.LocalAuthentication.Domain);// domain);
+        var dmn = DC.ToBytes(session.LocalAuthentication.Domain);
 
-        if (session.LocalAuthentication.Method == AuthenticationMethod.Credentials)
+        if (session.Encrypted)
         {
-            // declare (Credentials -> No Auth, No Enctypt)
+            // create key
+            //var ecdh = System.Security.Cryptography.ECAlgorithm.ECDiffieHellman.Create();
 
-            var un = DC.ToBytes(session.LocalAuthentication.Username);
+            if (session.LocalAuthentication.Method == AuthenticationMethod.Credentials)
+            {
+                // declare (Credentials -> No Auth, No Enctypt)
 
-            SendParams()
-                .AddUInt8(0x60)
-                .AddUInt8((byte)dmn.Length)
-                .AddUInt8Array(dmn)
-                .AddUInt8Array(localNonce)
-                .AddUInt8((byte)un.Length)
-                .AddUInt8Array(un)
-                .Done();//, dmn, localNonce, (byte)un.Length, un);
+                var un = DC.ToBytes(session.LocalAuthentication.Username);
+
+                SendParams()
+                    .AddUInt8(0x60)
+                    .AddUInt8((byte)dmn.Length)
+                    .AddUInt8Array(dmn)
+                    .AddUInt8Array(localNonce)
+                    .AddUInt8((byte)un.Length)
+                    .AddUInt8Array(un)
+                    .Done();//, dmn, localNonce, (byte)un.Length, un);
+            }
+            else if (session.LocalAuthentication.Method == AuthenticationMethod.Token)
+            {
+
+                SendParams()
+                    .AddUInt8(0x70)
+                    .AddUInt8((byte)dmn.Length)
+                    .AddUInt8Array(dmn)
+                    .AddUInt8Array(localNonce)
+                    .AddUInt64(session.LocalAuthentication.TokenIndex)
+                    .Done();//, dmn, localNonce, token
+
+            }
+            else if (session.LocalAuthentication.Method == AuthenticationMethod.None)
+            {
+                SendParams()
+                    .AddUInt8(0x40)
+                    .AddUInt8((byte)dmn.Length)
+                    .AddUInt8Array(dmn)
+                    .Done();//, dmn, localNonce, token
+            }
+            else
+            {
+                throw new NotImplementedException("Authentication method is not implemented.");
+            }
         }
-        else if (session.LocalAuthentication.Method == AuthenticationMethod.Token)
+        else
         {
+            if (session.LocalAuthentication.Method == AuthenticationMethod.Credentials)
+            {
+                // declare (Credentials -> No Auth, No Enctypt)
 
-            SendParams()
-                .AddUInt8(0x70)
-                .AddUInt8((byte)dmn.Length)
-                .AddUInt8Array(dmn)
-                .AddUInt8Array(localNonce)
-                .AddUInt64(session.LocalAuthentication.TokenIndex)
-                .Done();//, dmn, localNonce, token
+                var un = DC.ToBytes(session.LocalAuthentication.Username);
 
-        }
-        else if (session.LocalAuthentication.Method == AuthenticationMethod.None)
-        {
-            SendParams()
-                .AddUInt8(0x40)
-                .AddUInt8((byte)dmn.Length)
-                .AddUInt8Array(dmn)
-                .Done();//, dmn, localNonce, token
+                SendParams()
+                    .AddUInt8(0x60)
+                    .AddUInt8((byte)dmn.Length)
+                    .AddUInt8Array(dmn)
+                    .AddUInt8Array(localNonce)
+                    .AddUInt8((byte)un.Length)
+                    .AddUInt8Array(un)
+                    .Done();//, dmn, localNonce, (byte)un.Length, un);
+            }
+            else if (session.LocalAuthentication.Method == AuthenticationMethod.Token)
+            {
+
+                SendParams()
+                    .AddUInt8(0x70)
+                    .AddUInt8((byte)dmn.Length)
+                    .AddUInt8Array(dmn)
+                    .AddUInt8Array(localNonce)
+                    .AddUInt64(session.LocalAuthentication.TokenIndex)
+                    .Done();//, dmn, localNonce, token
+
+            }
+            else if (session.LocalAuthentication.Method == AuthenticationMethod.None)
+            {
+                SendParams()
+                    .AddUInt8(0x40)
+                    .AddUInt8((byte)dmn.Length)
+                    .AddUInt8Array(dmn)
+                    .Done();//, dmn, localNonce, token
+            }
+            else
+            {
+                throw new NotImplementedException("Authentication method is not implemented.");
+            }
         }
     }
 
diff --git a/Esiur/Security/Authority/Session.cs b/Esiur/Security/Authority/Session.cs
index 391e96c..103d7f9 100644
--- a/Esiur/Security/Authority/Session.cs
+++ b/Esiur/Security/Authority/Session.cs
@@ -50,6 +50,9 @@ public class Session
     Authentication localAuth, remoteAuth;
     //string domain;
 
+    public bool Encrypted { get; set; }
+
+
     public Session(Authentication localAuthentication, Authentication remoteAuthentication)
     {