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:
Sep. 27, 2011
Filed:
Mar. 13, 2006
Corinne Le Buhan, Les Paccots, CH;
Yishan Zhao, Antony, FR;
Corinne Le Buhan, Les Paccots, CH;
Yishan Zhao, Antony, FR;
Nagravision S.A., Cheseaux-sur-Lausanne, CH;
Abstract
Example embodiments are directed to a revocation lists management method, namely a verification method of a target device connected to a master device, the master device having means to receive a content transmitted by a broadcast centre via a data stream, the master device and the target device authenticating themselves by the exchange of a certificate having at least one certificate identifier. The method includes transmitting by broadcast a target device verification table containing a certificate identifier list, storing certificate identifier list in the master device, extracting a verification data associated to the content, the verification data including the activation or the deactivation of the verification of the target device. If the verification data includes the activation of the verification, the method includes verifying the certificate of the target device by the master device using at least one list stored to authorize or prohibit the exchanges of data with the target device.