基于认证协议的层次化网络威胁态势防御仿真  

Simulation of Hierarchical Network Threat Situation Defense Based on Authentication Protocol

作　　者：叶开珍[1] YE Kai-zhen(Sontan College,Guangzhou University,Guangzhou Guangdong 511370,China)

机构地区：[1]广州大学松田学院,广东广州511370

出　　处：《计算机仿真》2021年第7期308-312,共5页Computer Simulation

摘　　要：针对传统方法的网络安全防御能力一般,无法有效减小恶意入侵次数,保证用户信息安全的问题,提出了认证协议的层次化网络威胁态势防御方法。分析认证协议在网络运行中的特性、行为以及层次网络威胁的基本机构,获得网络威胁态势的主要攻击方式;根据层次化网络结构特点,利用重要性指标权重模型识别出网络威胁状态、行为及成功率,通过得到的威胁态势信息结合加密算法,对用户端接收到的信息逐一检索;使用粒子算法引入自适应函数,得到威胁粒子和防御能力的最佳数值;构建出最优防御威胁方程以及防御能力指标评估函数,通过仿真层次化网络结构,模拟威胁攻击方案。实验结果表明:认证协议的层次化网络威胁态势防御具有较高的安全性及效率,鲁棒性强。Traditionally, the methods of network security defense are generally ineffective and they can not effectively reduce the number of malicious intrusions. Therefore, a method of hierarchical network threat situation defense based on authentication protocols was proposed. Firstly, the characteristics and behaviors of authentication protocol in the operation and the basic mechanisms of hierarchical network threats were analyzed. The main attack modes of network threat situation were obtained. According to the characteristics of hierarchical network structure, the importance index weight model was used to identify the status, behavior and success rate of network threats. Through the obtained threat situation information combined with encryption algorithm, the information received by the client is retrieved one by one;The particle algorithm is used to introduce an adaptive function to obtain the optimal value of threat particles and defense capability. The optimal defense threat equation and the defensive ability index evaluation function were constructed. Finally, the threat attack scheme was simulated by simulating the hierarchical network structure. Experimental results show that the hierarchical network threat situation defense based on authentication protocol has high security, high efficiency and strong robustness.

关 键 词：认证协议 层次化网络 重要性指标 加密算法 

分 类 号：TP391[自动化与计算机技术—计算机应用技术]