I was looking into the best encryption for a license key for an application, and someone said that someone can easily decompile the application and then just skip the test f
Josh Smith also released Crack.NET recently which can be used to attach to a running .NET process, and then open that up in Reflector - so even if the assemblies on disk are encrypted somehow (to avoid people using Reflector to get at them), they'll still be able to use the in-memory versions