Safe distribution and use of content

  • US 20070101146A1
  • Filed: 04/20/2006
  • Published: 05/03/2007
  • Est. Priority Date: 10/27/2005
  • Status: Active Grant
First Claim
Patent Images

1. A method of distributing content, comprising:

  • creating a cryptographic hash of at least a portion of content;

    creating a ticket file including the cryptographic hash; and

    distributing the ticket file to a user system.

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