A Trust Model Of Mobile Agent-Based Electronic Commerce

The security is the core problem for the electronic commerce system. Many kinds of security problems do huge harm to the electronic commerce activities. Although the third generation of electronic commerce system which bases on the Mobile Agent and consists of software, communication and the technology of the distribute system, has great applied foreground for overcoming the technical shortage of traditional electronic commerce. The security can' t be neglected. The lack of security will cause the abuse of malice agent or attack of malice host in the network, also the disorder of the business activity. Because there are some similarities between the ways to protect host from the malice Agent and tradition distribute system, the maturity techniques are already existing, but the ways to protect Mobile Agent from malice host still need remanding. The dissertation proposes a method, which resolves the security of Mobile Agent based-electronic commerce system through evaluating trust relation among the hosts in network using host' s reputation value.The dissertation presents that Mobile Agent based-electronic commerce is a kind of new mode electronic commerce through illustrating the electronic commerce and the Mobile Agent characteristics, statue quo and developing trend. The analysis of the mode of he Mobile Agent based- electronic commerce points out the security problems faced by this kind of mode and serious result will caused by them. The resolution which comes from social network and uses trust relation is proposed, and the arithmetic on calculating the host' s reputation value and evaluating trust relation is designed, and related parameter and scheme' s feasibility is discussed. The dissertation analyzes and validates the trust model function with simulation plane, and the trust model embed a typical Mobile Agent-based electronic commerce system.