Information security – Prevention of unauthorized use of data including prevention... – Access control
Reexamination Certificate
2011-06-28
2011-06-28
Smithers, Matthew B (Department: 2437)
Information security
Prevention of unauthorized use of data including prevention...
Access control
C705S059000, C705S051000
Reexamination Certificate
active
07971261
ABSTRACT:
In accordance with the domain management for digital media, a device accesses a domain administrator in order to obtain a domain membership license. The domain membership license indicates that the device is part of a domain that includes multiple devices associated with a user of the device. The device also obtains multiple pieces of protected content from multiple content providers, with two or more of the multiple content providers employing different digital rights management systems. The device also accesses a license server to obtain, for each piece of protected content, a content license that is bound to the domain. The content license permits the device to play back the piece of content to the user.
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Microsoft Corporation
Smithers Matthew B
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