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:
Dec. 31, 2013
Filed:
Dec. 22, 2009
Cheow Guan Lim, Singapore, SG;
Stephan Schaecher, Munich, DE;
Cheow Guan Lim, Singapore, SG;
Stephan Schaecher, Munich, DE;
Infineon Technologies AG, Neubiberg, DE;
Abstract
Embodiments relate to systems and methods for the management and enforcement of blacklists of counterfeited, cloned or otherwise unauthenticated devices. In an embodiment, a system comprises an accessory comprising an authentication chip including data signed by a private verification key, the data including a unique identifier related to the accessory, and a device comprising a public verification key forming a verification key pair with the private verification key and an identifier list, the device configured to read the data from the authentication chip, compare the unique identifier with the identifier list, and reject the accessory if the unique identifier is found in the identifier list.