Separating keys and policy for consuming content
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United States of America Patent
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Jan 8, 2013
Grant Date -
Oct 22, 2009
app pub date -
Apr 17, 2008
filing date -
Apr 17, 2008
priority date (Note) -
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status (Latency Note)
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Abstract
In accordance with one or more aspects of the separating keys and policy for consuming content, content has a corresponding leaf license, and the leaf license has one or more associated root policy addenda. Each root policy addenda includes policy identifying when it is permissible to decrypt and consume the content, but excludes a content key to decrypt the content. The content can be decrypted and consumed only if the policy identifies that it is permissible to decrypt and consume the content.
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