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基于秘密共享的SIP身份认证方案
引用本文:何文才,赵菲,韩妍妍,孙锦慧,董昊聪.基于秘密共享的SIP身份认证方案[J].网络安全技术与应用,2012(10):15-17.
作者姓名:何文才  赵菲  韩妍妍  孙锦慧  董昊聪
作者单位:1. 北京电子科技学院,北京100070 西安电子科技大学通信工程学院,陕西710071
2. 北京电子科技学院,北京,100070
基金项目:国家重点基础研究发展规划(973)No.2007CB31120; 国家密码发展基金密码理论课题; 中央高校基本科研业务费专项资金资助
摘    要:SIP以其灵活的部署特性,为多媒体会话带来了便利。但由于协议本身对安全机制的考量较少,其面临的安全威胁也很多样。本文着重研究了SIP身份认证的安全方案,结合现有的公钥认证体制,提出了一种基于(2,2)秘密共享加密方案的SIP身份认证方案,实现了通信双方的双向身份认证,同时也实现了会话密钥的分发。

关 键 词:SIP协议  公钥认证  秘密共享  身份认证

SIP authentication scheme based on Secret Sharing
He Wencai,.,Zhao Fei,.,Han Yanyan,Sun jinhui,.,Dong Haocong.SIP authentication scheme based on Secret Sharing[J].Net Security Technologies and Application,2012(10):15-17.
Authors:He Wencai    Zhao Fei    Han Yanyan  Sun jinhui    Dong Haocong
Affiliation:1.2 1Beijing Electronic Science and Technology Institute,Beijing,100070,China 2Institute of Telecommunication Engineering,Xidian University,Shanxi,710071,China
Abstract:SIP brings so much convenience to the Multimedia session with its fexible deployment features.But a lack of powerful security mechanism,lead it to face many security threats.In this paper,research the SIP authentication scheme which existed and analysis there security problems.In order to solve the problems in SIP authentication,proposed a new method about authentication based on Secret Sharing and public key authentication system.This scheme provides bidirectional identity authentication and at the same time realizes the session key distribution.
Keywords:SIP  PKI  Secret Sharing  authentication
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