Method for monitoring software using encryption including digital signatures/certificates

  • US 20030110375A1
  • Filed: 02/04/2003
  • Published: 06/12/2003
  • Est. Priority Date: 06/04/1998
  • Status: Active Grant
First Claim
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1. A method for reducing unauthorized use of computer software, the method comprising:

  • contacting a computer software representative to obtain an activation code to authorize continued operation of the computer software on a computer such that the computer software is useable without requiring continuous contact with the computer software representative;

    collecting registration information from at least one of the computer software user and the computer upon contact with the computer software representative;

    transferring an activation code from the computer software representative to at least one of the computer software, the computer software user, and the computer using a digital signature or certificate to resist modification of the activation code;

    verifying authenticity of the digital signature or certificate before allowing the computer software to operate on the computer; and

    repeating the steps of contacting, collecting, transferring, and verifying at predetermined periods.

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