International Journal of Computer Applications
Dual signature is a significant modernization of SET protocol. The function of the dual signature is to guarantee the authenticity and integrity of data. It links two messages wished-for for two different recipients In this case; the customer wants to send the Order Information (OI) to the trader and the Payment Information (PI) to the bank. The one recipient should not need to know another recipient's information. The link is needed so that the customer can confirm that the payment is intended for this order.