| 摘要 |
Secure transmission of data is provided between a plurality of computer systems over a public communication system, such as the Internet. Secure transmission of data is provided from a customer computer system to a merchant computer system, and for the further secure transmission of data from the merchant computer system to a payment gateway computer system. The payment gateway system evaluates the information and returns authorization or denial of credit via a secure transmission to the merchant which is communicated to the customer by the merchant.
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