uefi
2 posts tagged uefi.
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Below the OS: The Pre-Boot Trust Chain Where Secure Boot Inherits Its Trust From
Walk the eleven rungs from CPU reset to winload.efi -- Intel Boot Guard, AMD PSB, CSME, the PSP, KB5025885, and why the April 2023 MSI OEM-key leak is structurally permanent.
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Secure Boot in Windows: The Chain From Sector Zero to Userinit, and Every Place It Has Broken
How Windows verifies and measures itself from CPU reset to logon, every rung of the boot chain, every public break, and what Pluton is being built to fix.