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网络通讯的安全威胁来源于其点到多点的网络结构和下行广播的传输方式,因此保障系统安全主要集中在对用户身份的验证和对下行数据的加密方面。文章在分析网络通讯安全性研究现状的基础上,从防窃听、拒绝服务攻击、伪装和窃取服务攻击三个方面探讨了加密技术在网络通讯安全问题中的应用。
The security threat of network communication comes from the point-to-multipoint network structure and the transmission of downlink broadcasting. Therefore, the security of the system mainly focuses on the verification of user identity and the encryption of downlink data. Based on the analysis of the current situation of network communication security research, the article discusses the application of encryption technology in network communication security from three aspects: anti-eavesdropping, denial of service attack, camouflage and theft of service attacks.