PROTECTION OF DIGITAL CONTENT
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United States of America Patent
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Issued Date -
Feb 18, 2016
app pub date -
Mar 28, 2013
filing date -
Mar 28, 2013
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Abstract
Protection of digital content, for example content on an optical disk, is discussed. A first content protection system such as AACS processes its specific content protection information to yield a first result which is differently obscured for different media players. A second content protection system such as BD+ processes the first result and its own specific content protection information to yield a second result which can be used to reproduce protected content such as encrypted video on the optical disk.
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