DH密钥体制在VoIP通信中的应用  

Application of DH Cryptosystem in VoIP Communication

作　　者：廖蓉晖[1] 王娟[1] 彭凯[1] 

机构地区：[1]中国电子科技集团公司第三十研究所,四川成都610041

出　　处：《通信技术》2015年第3期367-370,共4页Communications Technology

摘　　要：随着通信网络与计算机技术的飞速发展,通信业务也逐渐多样化。Vo IP逐渐成为当前通信网络发展的主流,DH密钥协商体制作为保证Vo IP网络通信安全的重要技术越来越受到重视。首先介绍DH密钥协商体制的基本原理,分析了其在Vo IP通信系统中应用所存在的安全隐患和可能遭受的攻击,针对不用应用需求提出了两种解决方案,有效解决DH密钥体制在合法身份认证方面的缺陷,提高了Vo IP通信系统中密钥协商的安全性,具有一定的实用价值。The rapid development of communication network and computer science diversifies the communication services,and VoIP becomes the major development trend of present communication network.As an important technology to assure the communication security of VoIP network,DH key negotiation system attracts more and more attention.This paper firstly describes the basic principle of DH key negotiation system,and then analyzes the security risks of its application in VoIP communication systems and the possible attacks herewith.Aiming at different application demands,two solutions are proposed to effectively solve the defects in terms of legal identity authentication and enhance the key-negotiation safety in VoIP communication system,and this is undoubtedly of certain practical value.

关 键 词：DH密钥交换协议 网络电话(VoIP) 加密密钥交换协议 

分 类 号：TN918.91[电子电信—通信与信息系统]