Secure Boot keys are unrelated to the leaked key in question. The Boot Guard key is used to verify the firmware itself that the CPU executes on boot. What the f

Secure Boot keys are unrelated to the leaked key in question. The Boot Guard key is used to verify the firmware itself that the CPU executes on boot. What the firmware happens to do afterwards, say it's a UEFI firmware that implements Secure Boot, is irrelevant to Boot Guard.