Patent ID: 6865551
Filing Date: 2005-03-08
Classification: G06F,G06Q,H04L,H04N

Abstract:
1. A repository for storing digital works and controlling the use of digital works in accordance with usage rights associated with the digital works and including a manner of use for the digital work, said repository comprising: means for receiving requests for digital works; means for determining whether a request for a digital work should be granted based on usage rights associated with the digital work; means for storing digital works, said means for storing comprising a removable storage device; an identification certificate associated with said repository; wherein said means for determining determines whether a manner of use specified in the request corresponds to a manner of use included in the usage rights and grants the request if the manner of use specified in the request corresponds to a manner of use included in the usage rights, said means for storing stores a contents file of a digital work and description tree file including usage rights associated with the digital work, the contents file is stored on said removable storage device, the description tree file is stored on said removable storage device, use of said digital work in accordance to said usage rights is subject to fulfillment of a condition, and said condition is that said removable storage device is determined to be an authorized device.