diff --git a/EgwCoreLib.BlazorTest/Pages/TestHwInfo.razor b/EgwCoreLib.BlazorTest/Pages/TestHwInfo.razor
index 8151ff6..401fd60 100644
--- a/EgwCoreLib.BlazorTest/Pages/TestHwInfo.razor
+++ b/EgwCoreLib.BlazorTest/Pages/TestHwInfo.razor
@@ -30,6 +30,10 @@
                 <div class="px-1">CodImpiego</div>
                 <div class="px-1">@codImpiego</div>
             </li>
+            <li class="list-group-item d-flex justify-content-between">
+                <div class="px-1">Payload</div>
+                <div class="px-1">@decVal</div>
+            </li>
             <li class="list-group-item d-flex justify-content-between">
                 <div class="px-1">AppKey</div>
                 <div class="px-1">@appKey</div>
@@ -69,6 +73,7 @@
 
     protected string codImpiego = "";
     protected string appKey = "";
+    protected string decVal = "";
 
     protected override void OnInitialized()
     {
@@ -112,7 +117,8 @@
     protected void Regenerate()
     {
         codImpiego = SubLicManager.CodImpiego();
-        appKey = SubLicManager.GenKey(passphrase);
+        appKey = SubLicManager.GenKey(passphrase, false);
+        decVal = SteamCrypto.DecryptString(appKey, passphrase);
     }
 
     private string passphrase = "SaltPass";
diff --git a/EgwCoreLib.Utils/SubLicManager.cs b/EgwCoreLib.Utils/SubLicManager.cs
index f0c1368..57322b0 100644
--- a/EgwCoreLib.Utils/SubLicManager.cs
+++ b/EgwCoreLib.Utils/SubLicManager.cs
@@ -12,9 +12,7 @@ namespace EgwCoreLib.Utils
     /// </summary>
     public class SubLicManager
     {
-        private MachineDataValidator MachineDataValidator { get; set; } = null!;
-
-        private MachineInfo MachineInfo { get; set; } = null!;
+        #region Public Constructors
 
         public SubLicManager()
         {
@@ -22,6 +20,10 @@ namespace EgwCoreLib.Utils
             MachineInfo = new MachineInfo();
         }
 
+        #endregion Public Constructors
+
+        #region Public Methods
+
         public string CodImpiego()
         {
             Guid tempKey = Guid.NewGuid();
@@ -39,31 +41,42 @@ namespace EgwCoreLib.Utils
                           .ToString();
             return codice;
         }
+
         /// <summary>
         /// Genera KEY macchina in modalità encrypt
         /// </summary>
         /// <param name="passphrase"></param>
+        /// <param name="addGuid"></param>
         /// <returns></returns>
-        public string GenKey(string passphrase)
+        public string GenKey(string passphrase, bool addGuid = false)
         {
             Guid tempKey = Guid.NewGuid();
-            string message = $"{tempKey}";
             var UserData = MachineInfo.GetInfo("USER");
-            string payload = $"{DateTime.Now:yyMMdd}-{DateTime.Now:HHmmss}";
+            string payload = addGuid ? $"|{tempKey}|" : "";
             if (UserData.ContainsKey("MachineName"))
             {
-                payload += $"|{UserData["MachineName"]}";
+                payload += $"{UserData["MachineName"]}|";
             }
             if (UserData.ContainsKey("UserDomainName"))
             {
-                payload += $"|{UserData["UserDomainName"]}";
+                payload += $"{UserData["UserDomainName"]}|";
             }
             if (UserData.ContainsKey("UserName"))
             {
-                payload += $"|{UserData["UserName"]}";
+                payload += $"{UserData["UserName"]}|";
             }
-            return SteamCrypto.EncryptString(message, passphrase);
+            payload += $"{DateTime.Now:yyMMdd}-{DateTime.Now:HHmmss}|";
+            return SteamCrypto.EncryptString(payload, passphrase);
         }
 
+        #endregion Public Methods
+
+        #region Private Properties
+
+        private MachineDataValidator MachineDataValidator { get; set; } = null!;
+
+        private MachineInfo MachineInfo { get; set; } = null!;
+
+        #endregion Private Properties
     }
-}
+}
\ No newline at end of file