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基于VPN用户认证的终端网络安全接入系统研究与应用 被引量:2

Research and application of terminal network security access system based on VPN user authentication
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摘要 为传统终端网络安全接入系统的最大客户端并发数较低,提出并设计了一种基于VPN用户认证的终端网络安全接入系统。基于VPN用户认证,并利用TCP协议的listen和bind函数构建主线程模块;利用SM1算法进行TCP协议双方的密钥协商结果确认,进行终端密钥协商,构建密钥协商模块;通过对对称密钥的运行向量进行计算,加密应用数据,构建密文通信模块。通过这三个模块的构建,完成了基于VPN用户认证的终端网络安全接入系统。在保证实验环境相同的情况下,将该系统与基于NAP技术的终端网络安全接入系统、基于多路复用机制的终端网络安全接入系统进行对比实验,实验结果表明,所设计系统的最大客户端并发数分别为200000发,其他两种系统分别为180000发和22000发,证明所设计系统的最大客户端并发数高,能够很好的保障终端网络接入安全。 Because the maximum number of concurrent clients in traditional terminal network security access system is low,a terminal network security access system based on VPN user authentication is proposed.Based on VPN user authentication,and using listen and bind functions of TCP protocol to construct the main thread module;using SM1 algorithm to confirm the results of key agreement between the two sides of TCP protocol,to carry out terminal key agreement,to construct the key agreement module;through computing the operation vector of symmetric key,to encrypt the application data,to construct the ciphertext communication module.Through the construction of these three modules,the terminal network security access system based on VPN user authentication is completed.Under the same experimental environment,the system is compared with the terminal network security access system based on NAP technology and the terminal network security access system based on multiplexing mechanism.The experimental results show that the maximum client concurrency number of the designed system is 200000,the other two systems are 180000 and 22000 respectively.It is proved that the maximum client concurrency number of the designed system is high and the terminal network access security can be well guaranteed.
作者 黄萍 罗伟峰 刘昕林 邓巍 Huang Ping;Luo Weifeng;Liu Xinlin;Deng Wei(Shenzhen Power Supply Bureau Co.,Ltd.,Shenzhen,518000,China)
出处 《现代科学仪器》 2019年第3期80-83,86,共5页 Modern Scientific Instruments
关键词 VPN 用户认证 终端网络 安全接入系统 VPN User authentication Terminal network Secure access system
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