Secure option ROM control
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United States of America Patent
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Jan 30, 2018
Issued Date -
N/A
app pub date -
Oct 22, 2012
filing date -
Oct 21, 2011
priority date (Note) -
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Abstract
A mechanism for controlling the execution of Option ROM code on a Unified Extensible Firmware Interface (UEFI)-compliant computing device is discussed. A security policy enforced by the firmware may be configured by the computing platform designer/IT administrator to take different actions for different types of detected expansion cards or other devices due to the security characteristics of Option ROM drivers associated with the expansion card or device. The security policy may specify whether authorized signed UEFI Option ROM drivers, unauthorized but signed UEFI Option ROM drivers, unsigned UEFI Option ROM drivers and legacy Option ROM drivers are allowed to execute on the UEFI-compliant computing device.
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