Media content protection utilizing public key cryptography
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United States of America Patent
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Aug 20, 2002
Grant Date -
Feb 7, 2002
app pub date -
Aug 5, 1998
filing date -
Aug 5, 1998
priority date (Note) -
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status (Latency Note)
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Abstract
A system and method for providing protection of content stored on a bulk storage media is disclosed. The technique for providing protection from unauthorized utilization of the content so stored is provided publicly in order to allow for those utilizing a conforming media device to master or generate content protected according to the present invention. Various ways in which to protect content are disclosed including verification of the authenticity of a particular media, utilization of an accepted list of media play-back devices and their corresponding published public keys in order to securely pass media content keys thereto, and utilization of an external contact to provide media content keys and/or updates of accepted media play-back devices.
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