The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 07, 2023
Filed:
Oct. 21, 2020
Dell Products L.p., Round Rock, TX (US);
Wei G Liu, Austin, TX (US);
Jayanth Raghuram, Austin, TX (US);
Dell Products L.P., Round Rock, TX (US);
Abstract
In one or more embodiments, one or more systems, one or more methods, and/or one or more processes may retrieve a first hash value of a key manifest public key from a one time programmable memory medium; determine a second hash value of the key manifest public key; retrieve a third hash value of an initial boot block from the boot policy manifest; determine a fourth hash value of the initial boot block; determine that the third hash matches the fourth hash value; execute the initial boot block; validate subordinate certificates with a root certificate; determine firmware hash values respectively from the firmware volumes; decrypt signatures respectively associated with the firmware volumes to obtain respective decrypted signatures, in which the signatures are decrypted with public encryption keys of the respective subordinate certificates; determine that the firmware hash values respectively match the decrypted signatures; and execute the firmware volumes.