Delivering, storing and retrieving secured digital content for untethered usage

摘要

An mechanism to provide untethered client side access to copyrighted content in order to maintain the digital rights associated with that particular content and service. This client also provides a mechanism to deliver multiple content items requested via a single transaction and distributed via various distribution points. Also provides a mechanism to dynamically mange key stores and digital rights on permanent and transient access devices. The client also provides ability to add digital content at the time of purchase to third party locker services other than the retailer, and to secure memory devices.