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Method for certifying delivery of secure electronic transactions

  • US 6,317,729 B1
  • Filed: 04/07/1998
  • Issued: 11/13/2001
  • Est. Priority Date: 04/08/1997
  • Status: Expired due to Fees
First Claim
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1. A fault-tolerant method of purchasing a digital good compatible with the SET protocol and protocols derived from or compatible to the SET protocol in a transaction comprising steps of:

  • sending to a merchant from a consumer a request for delivery of the digital good at a price in a first non-SET protocol message;

    sending from the merchant to the consumer a merchant-signed invoice and the digital good encrypted under a digital good encryption key in a second non-SET protocol message;

    sending a SET purchase request message from the consumer to the merchant that includes an order description;

    sending a SET authorization request message from the merchant to an acquirer gateway that includes the digital good encryption key and an indication that the transaction is a transaction for the digital good; and

    sending a message to the consumer containing the digital good encryption key.

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