The present invention particularly relates to a digital content providing service method and a content execution device for the same, for maximizing user convenience and maintaining a sufficient level of security using a smart card. The inventive content execution device includes an independent authentication...http://www.google.fr/patents/US8151342?utm_source=gb-gplus-shareBrevet US8151342 - Contents execution device equipped with independent authentication means and contents re-distribution method
Contents execution device equipped with independent authentication means and ...
