Platform firmware armoring technology

Platform firmware armoring technology

A method, apparatus, method, machine-readable medium, and system are disclosed. In one embodiment the method includes is a processor. The processor includes switching a platform firmware update mechanism located in a computer platform to a platform firmware armoring technology (PFAT) mode on a boot...

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Hauptverfasser: MORAN DOUGLAS R, DE MEVERGNIES MICHAEL NEVE, GHETIE SERGIU D, KARRAR ADIL, WARRIER ULHAS S, WISHMAN ALLEN R, BRANNOCK KIRK
Format: Patent
Sprache:eng
Schlagworte:
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
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creator MORAN DOUGLAS R
DE MEVERGNIES MICHAEL NEVE
GHETIE SERGIU D
KARRAR ADIL
WARRIER ULHAS S
WISHMAN ALLEN R
BRANNOCK KIRK
description A method, apparatus, method, machine-readable medium, and system are disclosed. In one embodiment the method includes is a processor. The processor includes switching a platform firmware update mechanism located in a computer platform to a platform firmware armoring technology (PFAT) mode on a boot of the computer platform. The computer platform includes a platform firmware storage location that stores a platform firmware. The method then persistently locks the platform firmware storage location in response to the platform firmware update mechanism switching to the PFAT mode. When persistently locked, writes are only allowed to the platform firmware storage location by an Authenticated Code Module in the running platform and only after a platform firmware update mechanism unlocking procedure.
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subjects CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
title Platform firmware armoring technology
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