System and method for auto-enrolling option ROMS in a UEFI secure boot database
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United States of America Patent
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Jan 30, 2018
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N/A
app pub date -
Sep 12, 2014
filing date -
Sep 12, 2013
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Abstract
A mechanism for automatically enrolling option ROMs into the system security database used for a UEFI Secure Boot is discussed. A request is received by a computing device to auto-enroll one or more option ROMs for one or more respective devices on the next boot of the system. Upon receiving the request, a flag or other type of indicator indicative of an auto-enroll status is changed to an active mode. The indicator is stored in non-volatile memory and may be stored as a UEFI Authenticated Variable. Following the changing of the indicator, the system is either reset or shut down. During the next boot only, after identifying the indicator indicative of an active mode auto-enroll status, the signatures for the option ROMs of all discovered devices whose signatures do not exist in the system security database are calculated (hashed) and added to the UEFI Secure Boot database without user interaction.
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