本文针对P2P 网络中的安全问题,详细讨论了对等节点间信任关系的建立,特别是根据证据理论计算信任值的方法,介绍了JXTA 平台的安全机制及利用其实现安全通信的过程,并在JXTA 提供的CMS 基础上构建了P2P 网络共享文件的安全模型。关键字:JXTA ,CMS,信任,资源共享Abstract:The paper directs against the security in P2P network, discusses the foundation of the trust relationship among the Peers in detail , especially the method of calculating the trust in value according to Dempster-Shafer evidence theory. It also recommends security mechanism of JXTA platform and makes use of it to realize the course of secure communication, and constructs the security model of the files’ sharing in P2P network on the basis of CMS that JXTA offers.Key words:JXTA ,CMS,Trust,Resource sharing
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