Multimedia network system with content importation, content exportation, and integrated content management

DC CAFC
  • US 8,964,764 B2
  • Filed: 03/16/2012
  • Issued: 02/24/2015
  • Est. Priority Date: 05/19/2004
  • Status: Active Grant
First Claim
Patent Images

1. A multimedia system, comprising:

  • an external control server configured to;

    receive a request from a client device via a wide area network requesting protected content to be sent to the client device;

    receive client device authentication information from the client device, the client device authentication information comprising at least information related to a user authentication and a device authorization;

    validate the client device authentication information according to predetermined criteria;

    send protected content location information to the client device, the protected content location information being associated with a location of the protected content;

    encrypt, in response to receiving a request for a content license from the client device via the wide area network, the request comprising information related to a location of the content license and being based on a determination by the client device that the protected content is encrypted and requires a content license, the content license using a public key associated with the client device, the content license comprising a content key which the client device uses to decrypt the protected content and usage parameters specifying terms under which the protected content can be consumed; and

    send the encrypted content license to the client device, the client device using a private key associated with the client device to decrypt the content license and using the content key to decrypt the protected content for use according to usage parameters specified by the content license;

    andan external content server configured to;

    receive a request for the protected content from the client device, the request comprising the protected content location information provided by the external control server; and

    send the protected content to the client device.

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