Trust transference from a trusted processor to an untrusted processor

Trust transference from a trusted processor to an untrusted processor

A trusted processor is pre-booted using a secure pre-boot loader integrated with the trusted processor. The trusted processor verifies whether an external boot loader is valid, and when valid, the trusted processor is booted using the external boot loader, thereby enabling trusted operation of the t...

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Hauptverfasser: Shroff Chirag, Grieco Anthony H
Format: Patent
Sprache:eng
Schlagworte:
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
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creator Shroff Chirag
Grieco Anthony H
description A trusted processor is pre-booted using a secure pre-boot loader integrated with the trusted processor. The trusted processor verifies whether an external boot loader is valid, and when valid, the trusted processor is booted using the external boot loader, thereby enabling trusted operation of the trusted processor. The trusted processor verifies whether a firmware image for a field programmable device is valid, and when valid, a firmware image loading process for the field programmable device is triggered. When the firmware image loading process is triggered, the firmware image is loaded into the field programmable device and the field programmable device is released to execute of the firmware image. The field programmable device verifies whether an external boot loader for an untrusted processor is valid, and when valid, the untrusted processor is booted using the external boot loader for the untrusted processor, thereby enabling trusted operation of the untrusted processor.
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subjects CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
title Trust transference from a trusted processor to an untrusted processor
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