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Classroom Contents
Bypassing Hardware-Based Trusted Boot Through x86 Downgrade
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- 1 Intro
- 2 Inside Intel CPU
- 3 Firmware Interface Table (FIT)
- 4 Microcode Update binary main header
- 5 Microcode Update binary extended header
- 6 Microcode Update binary data
- 7 Known facts about Microcode
- 8 Authenticated Code Modules (ACMS)
- 9 Useful links to start digging
- 10 Updating Microcode in UEFI BIOS
- 11 Microcode Update loading process
- 12 Platform Init
- 13 Microcode Downgrade
- 14 Side channel attacks
- 15 Debug capabilities
- 16 Downgrading ACMs. Intel BIOS Guard
- 17 Downgrading ACMs. Intel TXT
- 18 #Report and Reaction
- 19 #Mitigations
