Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Pooja Aggarwal0
Christopher R. Wingert0
Date of Patent
June 5, 2012
Patent Application Number
11511736
Date Filed
August 28, 2006
Patent Citations Received
Patent Primary Examiner
Patent abstract
A Digital Rights Management (DRM) system provides a lightweight layering of encryption and decryption of keys that allows efficient use of different cryptographic techniques to effect the secure delivery of multimedia content. Asymmetric cryptography, where a public key is used to encrypt information that can only be decrypted by a matched private key, is used by the DRM system to deliver symmetric keys securely.
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