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Method and apparatus for creating and validating an encrypted digital receipt for third-party electronic commerce transactions

  • US 20050021480A1
  • Filed: 05/13/2004
  • Published: 01/27/2005
  • Est. Priority Date: 05/16/2003
  • Status: Abandoned Application
First Claim
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1. A device that provides a digital receipt for a third-party electronic commerce transaction carried out over a public network, the receipt validating details of the electronic transaction and comprising a transaction record identifying transaction details, the device comprising a receipt system that receives the transaction record detailing a completed transaction, digitally signs and encrypts the transaction record, forms a digital receipt comprising the encrypted transaction record, embeds the digital receipt in a graphic to enable display in a Web page, and returns the digital receipt to at least one party to the completed transaction, wherein details in the transaction record are protected from modification by the parties to the transaction.

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