Method and system for a recursive security protocol for digital copyright control

  • US 7,203,844 B1
  • Filed: 06/19/2003
  • Issued: 04/10/2007
  • Est. Priority Date: 06/20/2002
  • Status: Active Grant
First Claim
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1. A method for a recursive security protocol for protecting digital content, comprising:

  • encrypting a bitstream with a first encryption algorithm;

    associating a first decryption algorithm with the encrypted bit stream;

    encrypting both the encrypted bit stream and the first decryption algorithm with a second encryption algorithm to yield a second bit stream;

    associating a second decryption algorithm with the second bit stream.

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