Electronic copyright license repository

Details Electronic copyright license repository Electronic copyright license repository

2006-03-15

2011-11-15

Augustin, Evens J (Department: 3621)

Data processing: financial, business practice, management, or co

Business processing using cryptography

Usage protection of distributed data files

C709S219000

Reexamination Certificate

active

08060443

ABSTRACT:
A content distribution system for transporting audio or video licenses between content players that use digital rights management (DRM) is disclosed. The content distribution system includes at least a second license repository and an authentication engine. The second license repository receives second information describing a second plurality of content licenses. A first license repository stores a first plurality of content licenses. The first plurality of content licenses enable use of a plurality of content objects with a first content player within confines of DRM. The second license repository is geographically distant from the first license repository. The authentication engine authorizes the second plurality of content licenses of the second license repository. The second plurality of content licenses enable use of the plurality of content objects with the second content player within the confines of DRM.

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patent: 2005/0005166 (2005-01-01), Kouznetsov et al.
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