NVIDIA BIOS Signature Lock Broken - What Caused Open-Source Pains For Years

New (Windows) tools have been released that break the NVIDIA BIOS Signature Lock, the "security" functionality in use since the GeForce GTX 900 days around signed firmware/BIOS handling. This authentication mechanism is what in turn has led to the GeForce GTX 700 series still being the best supported series by the open-source Nouveau driver while the GTX 900 series and later have been crippled to their low boot clock speeds due to PMU/re-clocking restrictions. While Nouveau developers have been working on the GPU System Processor (GSP) approach for RTX 20 "Turing" GPUs and newer to workaround this limitation as NVIDIA's blessed path forward, the NVIDIA BIOS Signature Lock has now been broken by Windows modders...