US 12,216,753 B2
Provisioning multiple platform root of trust entities of a hardware device using role-based identity certificates
Eugene David Cho, Austin, TX (US); and Mukund P. Khatri, 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 Oct. 26, 2022, as Appl. No. 17/973,803.
Prior Publication US 2024/0143718 A1, May 2, 2024
Int. Cl. G06F 21/33 (2013.01); G06F 21/57 (2013.01)
CPC G06F 21/33 (2013.01) [G06F 21/57 (2013.01); G06F 2221/034 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A method, comprising:
obtaining a designation of a given platform root of trust entity of a plurality of platform root of trust entities of a hardware device as a platform root of trust leader associated with a leader role;
recording the leader role of the platform root of trust leader as a role attribute in an identity certificate associated with the platform root of trust leader; and
providing the identity certificate to the hardware device during a provisioning of the hardware device, wherein the given platform root of trust entity assumes the leader role of the hardware device and initiates one or more security actions of the platform root of trust leader upon an initiation of the hardware device in response to the given platform root of trust entity parsing the leader role attribute of the identity certificate associated with the platform root of trust leader;
wherein the method is performed by at least one processing device comprising a processor coupled to a memory.