安全问题是制约电子商务(EC)发展的主要障碍之一、电子商务安全由此成为计算机工程与应用研究的前沿和热点。文章在分析EC面临的安全威胁和现有研究局限性的基础上，系统地考察了EC的安全需求、安全服务和安全机制，提出了一个EC安全体系结构模型。讨论了其构成要素之间的相互关系。%As a new and having times challenge field,the security of Electronic Commerce (EC)has been the spotlight for researching,development and applications at present. It is also one of the most important developing directory of the field of computer engineering and applications. The secure problems is one of the restricted factors to develop e-commerce. In this paper,on the basis of discussing the secure demand,service and mechanism of EC,a security architecture model is presented. The key element and their relations of this model are discussed also.
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