可信计算增强云环境下P2P技术的安全性研究

Security Research of the Trusted Computing Enhance the P2P Technology in the Cloud Environment

近年来,云计算技术迅速发展,P2P技术在传统网络中也广泛应用.论文将云计算技术和P2P技术有效结合构建云环境下基于混合结构的P2P网络共享模型.P2P技术最重要的安全性是网络节点的通信和隐私保护,云计算技术特殊性对解决云中P2P技术安全性提出新的要求.论文运用可信计算技术、群签名技术及自动信任协商技术提出一种改进的远程自动信任协商证明方案,并把这种证明方案应用到云环境下P2P网络共享模型中用来增强网络节点相互访问的安全性、匿名性和高效性.最后,论文对提出的P2P共享模型进行安全性和效率分析.

In recent years, the cloud computing develops rapidly, P2P technology is widely used in traditional networks. The paper will combine effectively the cloud computing and P2P technology to build a kind of sharing model of P2P network based on mixed struc- ture in the cloud computing environment. The most important security of the P2P is communication and privacy of the network nodes, the particularity of the cloud computing technology put forward new requirements in order to solve P2P security. The paper proposes an improved remote automated trust negotiation scheme based on the trusted computing technology, the group signature technology and the automated trust negotiation technique,and apply the certification scheme to the shared P2P network model in cloud environment to enhance the security, anonymity and efficiency to mutual access of network nodes. Finally, the paper analyzes the security and efficien- cy of the proposed sharing model.