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一种用于多方通信的新的SMC安全协议高 程 刘 亚 辛 阳 杨义


   (1.北京邮电大学 网络与交换技术国家重点实验室 信息安全中心, 北京 100876; 2.华为技术有限公司 北京研发中心, 北京 100085)

  摘要:对主流安全协议在多方通信环境下的应用进行分析,总结其各自优缺点。在综合各个协议优点的基础上,提出并介绍了一个用于多方通信环境下的SMC(securing multi-party communications)协议,该协议工作在传输层之上,具有更强的可部署性。SMC协议被设计用来取代当前用于多方通信环境的MSEC协议族。通过将SMC协议与MSEC协议族进行比较,证明SMC协议具有与MSEC协议族一致的安全性,并且具有更强的可部署性。

  关键词:网络安全;多方通信; 安全传输层;数据报安全传输层; MSEC协议族;安全多方通信协议

  中图分类号:TP39308文献标志码:A

  文章编号:1001-3695(2008)11-3445-04

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  SMC security protocol designed for multi-party communication scenario

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  GAO Cheng1,LIU Ya2,XIN Yang1,YANG Yi-xian1(1.Information Security Centre, State Key Laboratory of Networking & Switching Technology, Beijing University of Posts & Telecommunications, Beijing 100876, China;2.Beijing R & D Center, Huawei Technologies Co., Ltd., Beijing 100085, China)Abstract:Advantages and disadvantages of performance of several popular security protocols were analyzed when these protocols were deployed in multi-party communication scenario. Based on the advantages of these protocols, a new multi-party communication security protocol named SMC protocol which worked on transport layer and could be deployed more widely was introduced. SMC protocol was designed to replace MSEC protocol suite which has been widely deployed in multi-party communication scenario. Contrasting with MSEC protocol suite, SMC protocol is as secure as MSEC protocol suite, but it has better deploy performance than MSEC protocol suite.

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