Electronic transaction security system

  • US 5,793,028 A
  • Filed: 06/24/1996
  • Issued: 08/11/1998
  • Est. Priority Date: 06/24/1996
  • Status: Expired due to Term
First Claim
Patent Images

1. A method comprising the steps of:

  • transmitting a transaction initiation request requesting the initiation of an electronic transaction to a verifier computer from a transactionor computer, the transaction initiation request including one of a private identification code and a public identification code uniquely identifying the transactionor computer, and a public identification code uniquely identifying a transactionee computer;

    receiving by the verifier computer the transaction initiation request;

    transmitting a transaction request requesting processing of the electronic transaction from the verifier computer to the transactionee computer identified by the public identification code in the transaction initiation request in response to the verifier computer receiving the transaction initiation request, the transaction request including one of a private identification code and a public identification code uniquely identifying the verifier computer;

    receiving the transaction request by the transactionee computer;

    transmitting a verification request requesting verification of the transaction from the transactionee computer to the verifier computer in response to the transactionee computer receiving the transaction request, the verification request including one of a private identification code and a public identification code uniquely identifying the transactionee computer;

    receiving the verification request by the verifier computer;

    transmitting an acknowledgement request requesting acknowledgement of the electronic transaction from the verifier computer to the transactionor computer in response to the verifier computer receiving the verification request;

    receiving the acknowledgement request by the transactionor computer;

    transmitting an acknowledgement response indicating one of a valid electronic transaction and an invalid electronic transaction from the transactionor computer to the verifier computer in response to the transactionor computer receiving the acknowledgement request, the acknowledgement response including the private identification code uniquely identifying the transactionor computer;

    receiving the acknowledgement response by the verifier computer;

    transmitting a verification response indicating one of a valid electronic transaction and an invalid electronic transaction from the verifier computer to the transactionee computer in response to the verifier computer receiving the acknowledgement response; and

    receiving the verification response by the transactionee computer and executing the electronic transaction in response to the transactionee computer receiving the verification response indicating a valid electronic transaction.

View all claims
    ×
    ×

    Thank you for your feedback

    ×
    ×