Hashfunktion und Saltgenerierung funktionieren wieder wie angenommen.

App_Code/LinkFactory.vb

@@ -0,0 +1,12 @@
+Imports System.Threading.Tasks
+Imports Microsoft.VisualBasic
+
+Public Class LinkFactory
+    Public Shared Async Function createLink(link As String, par1 As String, par2 As String, par3 As String) As Threading.Tasks.Task(Of String)
+        Dim factorymain As StringBuilder = New StringBuilder(link)
+        factorymain.AppendFormat("?P1={1}&P2={2}", par1, par2, par3)
+        Dim result As String = factorymain.ToString
+        Await Task.Delay(2)
+        Return result
+    End Function
+End Class