水下声通信物理层密钥生成方案

刘景美; 沈志威; 韩庆庆; 刘景伟

doi:10.11959/j.issn.1000-436x.2019027

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水下声通信物理层密钥生成方案

学术论文 | 更新时间：2024-06-05

- 水下声通信物理层密钥生成方案
- Underwater acoustic communication physical layer key generation scheme
- 通信学报 2019年40卷第2期页码：111-117
- 作者机构：
  
  西安电子科技大学通信工程学院，陕西西安 710071
- 作者简介：
  
  [ "刘景美（1979- ），女，山东烟台人，博士，西安电子科技大学副教授，主要研究方向为密码分析。" ]
  [ "沈志威（1993- ），男，浙江湖州人，西安电子科技大学硕士生，主要研究方向为物理层密钥生成技术。" ]
  [ "韩庆庆（1994- ），男，陕西延安人，西安电子科技大学硕士生，主要研究方向为物理层密钥生成技术。" ]
  [ "刘景伟（1978- ），男，山东滨州人，博士，西安电子科技大学副教授，主要研究方向为网络安全。" ]
- 基金信息：
  
  教育部联合基金资助项目(6141A02022338)
- DOI：10.11959/j.issn.1000-436x.2019027
  中图分类号： TN918.8+2
- 网络首发：2019-02，
  
  纸质出版：2019-02-25
- 稿件说明：
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刘景美, 沈志威, 韩庆庆, 等. 水下声通信物理层密钥生成方案[J]. 通信学报, 2019,40(2):111-117.

Jingmei LIU, Zhiwei SHEN, Qingqing HAN, et al. Underwater acoustic communication physical layer key generation scheme[J]. Journal on Communications, 2019, 40(2): 111-117.
刘景美, 沈志威, 韩庆庆, 等. 水下声通信物理层密钥生成方案[J]. 通信学报, 2019,40(2):111-117. DOI： 10.11959/j.issn.1000-436x.2019027.

Jingmei LIU, Zhiwei SHEN, Qingqing HAN, et al. Underwater acoustic communication physical layer key generation scheme[J]. Journal on Communications, 2019, 40(2): 111-117. DOI： 10.11959/j.issn.1000-436x.2019027.

摘要

为确保水下无人艇的通信安全，提出一种基于正交频分复用系统的水下声信道物理层密钥生成方案。首先，提出一个本地导频辅助信道探测协议，解决了由于水声信道中传播时延较大引起的互易性受损问题，保证密钥随机性，增强对邻近窃听者的防御能力；其次，提出一个双层补偿聚合结合自适应保护间隔的量化方法，提升了密钥一致性且使密钥生成速率维持在较高水平。仿真结果显示，所提方案有效地克服了水声通信中互易性受损的问题，且在密钥一致性优于现有水声密钥生成方案的前提下保证了高密钥生成速率和较高的随机性。

Abstract

To ensure the communication safety of unmanned underwater vehicle

a physical layer key generation scheme of underwater acoustic channel based on orthogonal frequency division multiplexing (OFDM) system was proposed.First

a local pilot assistance channel sounding protocol was proposed to solve the reciprocity impaired caused by the great propagation delay in the underwater acoustic channel

ensure high key randomness and enhance the defenses against nearby eavesdroppers.Secondly

double-layer compensation centralized combined with adaptive guard interval quantization method was proposed to improve key agreement rate and key generation rate.Simulation results show that the scheme effectively overcomes the problems of impaired reciprocity and ensures high key generation rate and high randomness on the premise that the key agreement is superior to the existing schemes.

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references

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