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一种基于SGC-PKE的P2PSIP可认证密钥协商方案
引用本文:张睿,蒋华,杨亚涛.一种基于SGC-PKE的P2PSIP可认证密钥协商方案[J].北京电子科技学院学报,2008,16(4):49-55.
作者姓名:张睿  蒋华  杨亚涛
作者单位:1. 西安电子科技大学,通信工程学院,陕西,西安,710071
2. 西安电子科技大学,通信工程学院,陕西,西安,710071;北京电子科技学院,通信工程系,北京,100070
3. 北京电子科技学院,通信工程系,北京,100070
摘    要:最近,使用P2P网络代替SIP服务器实现SIP功能已经被提出。为了提供用户间的安全通信,在无可信中心网络中的难以有效认证和密钥交换的问题必须得到解决。本文分析了P2PSIP结构中的安全威胁,提出了一种新的基于SGC-PKE的可认证密钥协商机制,保证了SIP消息在去中心化网络上传输的完整性和机密性,并且克服了使用公钥基础设施(PKI)带来的缺点

关 键 词:P2PSIP  自生成证书公钥加密算法  双向身份认证  密钥协商

P2PSIP authenticated key agreement scheme based on SGC-PKE
Zhang Rui,Jiang Hua,Yang Ya-tao.P2PSIP authenticated key agreement scheme based on SGC-PKE[J].Journal of Beijing Electronic Science & Technology Institute,2008,16(4):49-55.
Authors:Zhang Rui  Jiang Hua  Yang Ya-tao
Affiliation:Zhang Rui Jiang Hua Yang Ya -tao(1. College of Communication Engineering, Xidian University, Xi'an, 710071, China 2. Department of Communication Engineering, Beijing Electronic Science and Technology Institute, Beijing 100070, China
Abstract:Recently,it has been proposed to use a peer-to-peer network instead of servers to facilitate SIP function.To provide security communication between users,the problems of user authentication and key exchange have to be solved in the absence of a central authority.In this paper,the author analyzes the security threats in the Peer-to-Peer SIP(P2PSIP)architecture,presents a new P2PSIP authenticated key agreement mechanism based on Self-Generated-Certificate Public Key Encryption scheme(SGC-PKE),which assures the Integrity,Confidentiality and Non-repudiation during the transmission of SIP message in decentralized networks,and overcome the disadvantage of Public Key Infrastructure(PKI).
Keywords:Peer-to-Peer SIP  Self-Generated-Certificate Public Key Encryption scheme  mutual-authentication  key agreement
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