Your C# program could then use reflection to create phone calls to this exterior/unmanaged dll. It will enhance the difficulty for de-obfuscating, but the problem is the fact that if someone wishes it undesirable sufficient, they will figure it out as it is actually customer-side. Obfuscation is basically creating a http://encryptstrings11111.imblogs.net/16786106/detailed-notes-on-encrypt-code