Research Of Secure Payment Protocols In Electronic Commerce

With great convenience, high efficiency and low-cost,Electronic Commerce has become a popular business transaction since 1990s. It has had great influence on worldwide economic development and become one of the deciders for governments to formulate economic policies.Based on an open Internet, any transaction message of electronic commerce transmitted through Internet would be probably intercepted, so it is greatly demanding to solve the security problem for developing electronic commerce. Electronic commerce consists of network security and business transaction security. Encryption technology,security system and security protocols are the major supports for present business transaction, while security protocol usually adopts SSL and SET protocol.This thesis analyzes the basic concepts,the security infrastructure and payment system of electronic commerce,Research on SET that involves architecture,security infrastructure,security technologies as well as transition process,Plus further exploration on multi-digital certificates,multi-digital signature production and authentication,The paper will forward a new solution by introducing a combination encryption technology which includes nesting encryption and negotiation encryption technologies to improve SET protocol adaptability and security,as well as will offer an analysis and argumentation prove the SET transaction security,adaptability and extension enhancement by virtue of the introduction of the new technology.