US 12,001,562 B2
Identification of devices in UEFI secure boot databases
William C. Munger, Round Rock, TX (US); and Marshal F. Savage, Austin, TX (US)
Assigned to Dell Products L.P., Round Rock, TX (US)
Filed by Dell Products L.P., Round Rock, TX (US)
Filed on Jul. 21, 2022, as Appl. No. 17/869,840.
Prior Publication US 2024/0028733 A1, Jan. 25, 2024
Int. Cl. G06F 21/57 (2013.01)
CPC G06F 21/575 (2013.01) [G06F 21/572 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An information handling system comprising:
a memory to store a lookup table to associate each of a plurality of device firmware hashes with a corresponding one of a plurality of device identification strings; and
a basic input/output system (BIOS), during a first boot of the information handling system, the BIOS to:
calculate each of the device firmware hashes, wherein each device firmware hash is associated with a different device firmware;
create the lookup table based on the calculated device firmware hashes and the device identification strings; and
based on the lookup table, display a secure boot allowed devices database list on a display device, wherein the secure boot allowed devices database list includes both a first device firmware hash and a first device identification string for a first device.