无线网络物理层安全认证方法

宋华伟; 金梁; 王旭

doi:10.7652/xjtuxb201804015

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无线网络物理层安全认证方法

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- 无线网络物理层安全认证方法
- A Security Authentication Method for Wireless Network Physical Layers
- 西安交通大学学报 2018年52卷第4期页码：105-110+138
- 作者机构：
  
  国家数字交换系统工程技术研究中心,郑州,450002
- 作者简介：
- 基金信息：
  
  : 2017-10-09。作者简介: 宋华伟(1978—),男,副研究员;金梁(通信作者),男,教授,博士生导师。基金项目: 国家自然科学基金资助项目(61501516,61601514)
- DOI：10.7652/xjtuxb201804015
  中图分类号： TN918.91
- 网络首发：2018-04-10，
  
  纸质出版：2018
- 稿件说明：
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宋华伟, 金梁, 王旭. 无线网络物理层安全认证方法[J]. 西安交通大学学报, 2018,52(4):105-110+138.

A Security Authentication Method for Wireless Network Physical Layers[J]. 2018, 52(4): 105-110+138.
宋华伟, 金梁, 王旭. 无线网络物理层安全认证方法[J]. 西安交通大学学报, 2018,52(4):105-110+138. DOI： 10.7652/xjtuxb201804015.

A Security Authentication Method for Wireless Network Physical Layers[J]. 2018, 52(4): 105-110+138. DOI： 10.7652/xjtuxb201804015.

摘要

针对无线通信中认证方法存在计算复杂度高的问题

提出一种无线网络物理层安全认证(PLSA)方法。首先

利用通信双方信道互易性和唯一性的特点

通过估计信道并量化信道响应提取出高度相关但并不完全一致的信道特征序列

然后基于信息论安全和信道编码理论提出安全认证编码

借助双方信道特征序列中蕴含的私密共享信息量优势

使合法通信方正确编解码

而第三方只能靠猜测消息码字实施认证攻击

从而建立不需要密码算法的物理层安全认证框架。利用典型集理论和窃听信道模型对PLSA方法进行安全性分析

发现在码本长度趋于无穷大时

攻击性能上下界趋于一致

从而证明了物理层安全认证具备可行性。仿真结果表明

与传统认证方法相比

当安全互信息量超过64 bit后

物理层认证方法的攻击成功率优于传统认证方法。

Abstract

A method of physical layer security authentication(PLSA)is proposed to solve the high complexity of existing authentication method in wireless communication. Firstly the characteristics of reciprocity and uniqueness of the wireless channels of two sides are utilized

and the highly correlated but not completely consistent channel characteristic sequences are extracted by estimating the channel responses. Then the security authentication coding is proposed based on the principles of security and channel coding of information theory. At last

the physical layer security authentication framework that does not need cryptographic algorithm is established. The security analysis of the physical layer authentication method is carried out by using the theory of typical set and the wiretap channel model. It is found that when the length of the codebook tends to infinity

the upper bound and the lower bound of the attack tend to be consistent. It proves that the physical layer security authentication is feasible. Simulation results show that the performance of the proposed method is better than that of the traditional authentication method when the amount of security mutual information exceeds 64 bits.

关键词

Keywords

references

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