WEBDEV Concepts

Part 4: Advanced concepts 155 Secure payment Several providers allow you to implement systems for secure payment. For every payment made by credit card, the provider requests an approval from the card center. The payment steps are as follows: 3 7 8 Payment operator Bank SSL 9a 1 2 3 4 View the site Fill the basket Identification (input of personal details) Check the order Redirection to the secure payment 9a 9b 9c 9d Response for the vendor site Response for the customer Redirection of the page for order confirmation 5 6 7 8 Display the payment page Enter the credit card number Bank authorization Response of the bank 1 2 Client computer 4 Vendor server 9c 9d 5 9b SSL 6 4