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:
Apr. 08, 2014
Filed:
Aug. 21, 2008
Frederic Bauchot, Saint-Jeannet, FR;
Jean-luc Collet, La Gaude, FR;
Gerard Marmigere, Drap, FR;
Christophe Mialon, Vence, FR;
Frederic Bauchot, Saint-Jeannet, FR;
Jean-Luc Collet, La Gaude, FR;
Gerard Marmigere, Drap, FR;
Christophe Mialon, Vence, FR;
International Business Machines Corporation, Armonk, NY (US);
Abstract
The invention provides a system and method for content protection. A system according to an embodiment includes a media center connectable to a mobile secure and protection keyring associated with an identifier and with a media Key block MKB. The media center includes: a unique identifier identifying the media center MC_UID, a set of device keys DK; storage means for storing files identified by respective file identifiers; and a processing unit comprising file encryption means for encrypting each file before storage in the storage means, using a title key (Kt) computed from the identifier MC_UID of the media center and for encrypting the title key Kt from the set of device keys DK of the media center, and from the identifier and the media key block MKB of the mobile secure and protection keyring, the media center being further provided to write the encrypted title key (eKt) in association with the file identifier of the file to the mobile secure and protection keyring.