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Software license control system based on independent software registration server

  • US 6,260,141 B1
  • Filed: 03/01/2000
  • Issued: 07/10/2001
  • Est. Priority Date: 09/19/1997
  • Status: Expired due to Fees
First Claim
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1. A method of software license control based on independent software registration servers comprising:

  • creating a secret public key pair for a user;

    connecting to a software registration server, sending the user public key to the software registration server and receiving a public key of the software registration server;

    registering a user once per person to the software registration server and receiving a partial user-ID file that includes user information encrypted by the user public key and digitally signed by the software registration server;

    attaching the user secret/public key pair and the public key of the software registration server to the partial user-ID file;

    registering a user computer hardware once for each computer hardware to the software registration server and receiving a license file that includes computer hardware information encrypted by the user public key and digitally signed by a secret key of the software registration server; and

    registering a software product to the software registration server and receiving an updated license file which includes information of the registered software product in addition to the computer hardware information.

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