基于WAPI无线认证技术的电力攻击防御方法研究

Research on the Power Attack Defense Method Based on Wireless LAN Authentication and Privacy Infrastructure Technology

为了提高电力无线通信安全防御能力,确保电力通信的安全性,提出基于无线局域网鉴别和保密基础结构(WAPI)无线认证技术的电力攻击防御方法。采用WAPI无线认证方法,进行电力无线通信安全防御信息的访问控制,结合椭圆线性规划方法,进行数据融合和优化编码设计;根据明文攻击的强度,调节通信安全防御状态,构建电力无线通信安全防御信息的动态对称密钥;根据密文的不可区分性,密文传输WAPI无线认证协议,实现信息的有效、加密传输,完成电力攻击的安全防御。实验结果表明,采用该方法进行电力无线通信安全防御的置乱性较好,加密抗攻击率达到97.02%,抗攻击能力较强,电力无线通信安全性得到保证。

In order to improve the security defense capability of power wireless communication and ensure the security of power communication,a security defense method of power wireless communication based on wireless LAN authentication and privacy infrastructure technology is proposed.Wireless LAN authentication and privacy infrastructure method is used to control the access of power wireless communication security defense information.Combined with elliptic linear programming method,data fusion and optimized coding design are carried out.According to the strength of plaintext attack,the communication security defense state is adjusted,and the dynamic symmetric key of power wireless communication security defense information is constructed.According to the indistinguishability of ciphertext,the WAPI wireless authentication protocol of ciphertext transmission is used to realize the effective and encrypted transmission of information and complete the power wireless communication security defense.The experimental results show that the proposed method for power wireless communication security defense is good,encryption attack resistance rate reaches 97%.It has strong attack resistance ability,so that the power wireless communication security is guaranteed.