Policy-Based Trustworthy Software Model.pdf

1、With development of information technology, intemet based application emerging. Thee-commerce is a typical application in this intemet age. But it must face two challenging issues.One is how to make it more convenient fo

2、r user; the other one is how to make it more securityfor trade. The use of agent technology and policy measures to solve the above problems hasgradually become a main method.
　　 As agent technology continues to be on

3、e of the most cherished research areas nowadays.In particular, the multi-agent field related research topics and applications have increaseddramatically. This is due to the success of intelligent agents which can act on

4、the behalf of ahuman being. The human involvement will be for monitoring and assigning tasks to agents,which in turn will do other specific operations in a very fast and accurate manner. Softwareagents are required to pr

5、ovide a strong working structure especially in security as they help buildpowerful distributed systems.
　　 At the same time, policies in modem systems and applications play an essential role. Weargue that decisions b

6、ased on policy rules should take into account the possibility for the users toenable specific policy rules, by performing actions at the time when preconditions are beingrendered, and/or by promising to perform other act

7、ions in the future. In defining a general-purpose policy-based security framework, security policies for the confidentiality, integrity andavailability of services and information need to be considered.
　　 In this th

8、esis, a policy-based trustworthy software model (PBTSM) is proposed. In thismodel, it achieves convenient e-commerce application by agent on behalf of human to act intrade process and ensures the safety and credibility o

9、f the process in e-commerce with policy-based control method. We study, analyze and present in detail the possible scenarios which areneeded for analyzing, designing and implementing a trustworthy software model which ca

10、nhandle secure ecommerce payment operations. We also implement a lightweight prototypesystem, where human users (buyers and sellers) are able to delegate their tasks to agents, whichwill then do the shopping job on their

11、 behalf, do payment and then, present them the results.Buyer users (customers) and the seller users (suppliers) can be organizations, companies orindividuals.
　　 The approach of Policy—based trustworthy software mode