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System for licensing to use software products

  • US 5,636,277 A
  • Filed: 09/28/1995
  • Issued: 06/03/1997
  • Est. Priority Date: 09/30/1994
  • Status: Expired due to Term
First Claim
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1. A system for licensing to use software products which are encrypted by a software vendor, the system comprising:

  • a first supplier unit for supplying a product-medium which contains a plurality of encrypted software products and a sales-medium, said first supplier comprisinginformation storage means for storing key information andsales-medium creating means for creating the sales-medium which contains the key information stored in said information storage means; and

    a second supplier unit, being provided with the sales-medium from said first supplier unit, for supplying a key to decrypt one of the encrypted software products, said second supplier unit comprisingkey generating means for generating the key based on the key information which is supplied in the sales-medium.

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