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Multiple party content distribution system and method with rights management features

  • US 6,996,544 B2
  • Filed: 02/27/2003
  • Issued: 02/07/2006
  • Est. Priority Date: 02/27/2002
  • Status: Expired due to Fees
First Claim
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1. A method of distributing content requested by a first party, the method comprising:

  • generating, with a processor, a first mutating identifier associated with the content;

    repeatedly mutating a previously generated mutating identifier at at least one subsequent party, starting with the first mutating identifier;

    terminating mutating a previously generated mutating identifier when the previously generated mutating identifier is authenticated;

    encrypting the content based on the previously authenticated mutating identifier;

    distributing the encrypted content to the first party; and

    distributing a decryption key to the first party.

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