It's hard to tell. The author is clearly not too fluent with English, so it's difficult to tell exactly what he's saying. It sounds like it's based on a decom

It's hard to tell. The author is clearly not too fluent with English, so it's difficult to tell exactly what he's saying. It sounds like it's based on a decompiled and recompiled version of the core Skype kernel dlls and not a clean room implementation.