1: https://github.com/hexops/DirectXShaderCompiler/blob/4190bb0...
Anyone paying attention in the article to that point knew it had to be some basic hash or similar, where even in your worst case someone has to reverse engineer some assembly.
After all that effort, just out Microsoft, particularly when we're talking about opensource code that anyone that cares to can just dig through and find (thanks for that, msk!).