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. 01, 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 in accordance with an embodiment includes a media center connectable to a mobile master memory unit associated with an identifier, the media center including: a protection key; storage means for storing files identified by respective file identifiers; a processing unit comprising file encryption for encrypting each file before storage, using a title key computed from the protection key of the media center and for encrypting the title key using the protection key of the master storage device and the identifier of the master memory unit, the master storage device being further provided to write the encrypted title key in association with the corresponding file identifier to the master memory unit.