http://belajar-cracking.blogspot.com/2012/03/cryptolicensing-for-dotnet-v2012.html?m=0
CryptoLicensing for .Net is a 100% .Net solution to add licensing, copy-protection and activation capabilities to your C# and Visual Basic.Net (VB.Net) software : Windows Forms (WinForms), WPF applications,console apps, components and ...