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Method and apparatus for software licensing electronically distributed programs

  • US 6,233,567 B1
  • Filed: 08/29/1997
  • Issued: 05/15/2001
  • Est. Priority Date: 08/29/1997
  • Status: Expired due to Term
First Claim
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1. A method comprising:

  • receiving an encrypted registration identifier for a client, said registration identifier contains an one-way hashed value of a machine unique identifier for said client, said registration identifier being encrypted using a public key;

    decrypting said registration identifier using a private key that is matched to said public key to retrieve the one-way hashed value;

    generating a registration key based on said registration identifier by encrypting the retrieved one-way hashed value; and

    transmitting said registration key to said client.

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