Patent ID: 7117180
Filing Date: 2006-10-03
Classification: G06F,H04L

Abstract:
1. A repository for 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, the 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, the means for storing comprising at least one removable storage device, wherein the 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, the means for storing stores a contents file of the digital work and a description file associated with the contents file, the description file includes the usage rights, the contents file is stored on the removable storage device, and the description file is stored on the removable storage device; and means for establishing a secure and trusted communication between the repository and the removable storage device, wherein use of the contents file in accordance with the usage rights is subject to fulfillment of a condition that the removable storage device is determined to be an authorized device.