Method, apparatus and system for securely providing material to a licensee of the material
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United States of America Patent
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Nov 20, 2007
Grant Date -
Apr 24, 2003
app pub date -
Feb 22, 2002
filing date -
Oct 18, 2001
priority date (Note) -
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status (Latency Note)
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Abstract
A method, apparatus and system for securely providing material to a licensee of the material are described. In each, at least one license key is provided, preferably along with a license including usage rights for requested content or material to the licensee. The material requested and licensed by the licensee is provided to the licensee encrypted with at least one content key. To achieve a second-level of security, the at least one content key is provided to the licensee encrypted with the at least one license key so that both the at least one content key and the at least one license key are necessary for the licensee to decrypt and use the encrypted material.
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