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Systems and methods for expiring digital assets using encryption key

  • US 20060106812A1
  • Filed: 11/17/2005
  • Published: 05/18/2006
  • Est. Priority Date: 11/17/2004
  • Status: Abandoned Application
First Claim
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1. A method of preventing access to an expired digital asset, the method comprising:

  • (a) encrypting a digital asset using an encryption key, the digital asset associated with a tag specifying a time after which the digital asset should be unavailable, the encryption key having a predetermined expiration time; and

    (b) destroying the encryption key after the predetermined time.

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