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Securing digital content system and method

  • US 9,191,376 B2
  • Filed: 11/25/2014
  • Issued: 11/17/2015
  • Est. Priority Date: 10/20/2003
  • Status: Expired
First Claim
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1. A computer-implemented method for protecting electronic content, the method comprising the steps of:

  • storing an asymmetric decryption key that is associated with a digital electronic container;

    receiving client device footprint data from a client device;

    creating a re-key value using both the client device footprint data and the stored asymmetric decryption key; and

    providing the re-key value to the client device for re-keying content data provided by the electronic digital container at the client device wherein a predetermined data block of the content data stores a symmetric decryption key, the predetermined data block and stored decryption key being previously encrypted using an asymmetric key technique, and wherein the content data is arranged into data blocks including the predetermined data block.

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