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Software aging method and apparatus for discouraging software piracy

  • US 7,003,110 B1
  • Filed: 11/14/2000
  • Issued: 02/21/2006
  • Est. Priority Date: 11/14/2000
  • Status: Expired due to Term
First Claim
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1. A method of discouraging unauthorized use of a software program, the method comprising the steps of:

  • configuring the software program in accordance with a software aging process such that one or more files generated by the program are at least partially encrypted using a first cryptographic key associated with a current time interval for which the files are generated; and

    providing periodic updates of the software program to a legitimate user of the software program, a given one of the periodic updates including at least a second cryptographic key associated with a time interval subsequent to the current time interval.

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