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:
Jan. 15, 2019
Filed:
Dec. 21, 2015
Hewlett-packard Development Company, L.p., Houston, TX (US);
Jeffrey K. Jeansonne, Houston, TX (US);
Lan Wang, Cypress, TX (US);
Dallas M. Barlow, Tomball, TX (US);
Hewlett-Packard Development Company, L.P., Houston, TX (US);
Abstract
Example implementations relate to key revocation. For example, a system for key revocation may comprise a processor, an embedded controller, a non-volatile memory storing a system instruction signing key authorization data element, wherein the data element includes a system instruction signing key, a signing key number and a signature. The embedded controller may include a plurality of keys to verify the data element, and a one-time programmable (OTP) memory and a key among the plurality of keys that is revocable using the OTP memory, wherein revocation of the key permanently prevents the embedded controller from utilizing the key.