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混沌保密光通信技术在电力通信网中的应用

The Application of Chaotic Optical Communication in Electric Power Communication Network

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摘要

混沌信号以其宽带、类噪声以及不可长期预测的特性在保密通信领域获得了广泛的关注。文章提出利用混沌保密光通信技术来保障电力通信网中的传输安全性,首先搭建了传统的基于光-电-光结构的混沌光加密装置,研究该混沌保密光通信系统在电力通信网中应用可能存在的安全问题,针对传统方案中时延特征的安全性问题,提出了消除混沌时延特征参数的方案,并通过实验验证了混沌时延特征参数的隐藏。同时,针对参数估计的攻击方式,分析了混沌保密光通信系统的安全性能。而对于暴力破解,分析了该方案的密钥空间,证明该方案的密钥空间获得极大的扩展,说明了暴力破解的困难性,证明了该方案可在电力通信网中保障传输的安全性。

Abstract

Chaotic signal has drawn much attention in secure communication for its characteristics of wideband, noise-like and long-term unpredictable. In this paper, chaotic optical communication is proposed to solve the secure problem of transmission in power communication network. We first study the traditional chaotic optical encryption scheme experimentally, and then investigate the secure problems of chaotic optical communication in power communication network. The scheme of time delay concealment is proposed to solve the secure problem, while the time delay concealment is experimentally demonstrated. Moreover, the security of chaotic optical communication is analyzed for parameter estimate attack, and the key space is proved to be enlarged significantly by analysis, which proves the difficulty of brute force attack, and ensures the transmission security in power communication network.

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中图分类号:TN915.853

DOI:10.13756/j.gtxyj.2018.02.004

所属栏目:光通信系统与网络技术

基金项目:国家自然科学基金资助项目(61575122);

收稿日期:2017-12-06

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作者单位    点击查看

贾耕涛:国网上海市电力公司信息通信公司,上海 200122
陈毅龙:国网上海市电力公司信息通信公司,上海 200122
余江涛:国网上海市电力公司信息通信公司,上海 200122
柯俊翔:上海交通大学 区域光纤通信网与新型光通信系统国家重点实验室,上海 200240
义理林:上海交通大学 区域光纤通信网与新型光通信系统国家重点实验室,上海 200240

联系人作者:义理林(lilinyi@sjtu.edu.cn)

备注:贾耕涛(1989-),男,河南郑州人。工程师,硕士,主要研究方向为电力通信技术、光通信技术等。

【1】Argyris A, Syvridis D, Larger L, et al. Chaos-based Communications at High Bit Rates Using Commercial Fibre-Optic Links [J]. Nature, 2005, 438(7066):343-346.

【2】Roman L, Maxime J, Laurent L. Nonlocal Nonlinear Electro-Optic Phase Dynamics Demonstrating 10 Gb/s Chaos Communications [J]. IEEE Journal of Quantum Electronics, 2010, 46(10):1430-1435.

【3】Hou T T, Yi L L, Yang X L, et al. Maximizing the Security of Chaotic Optical Communications [J]. Optics Express, 2016, 24(20):23439-23449.

【4】Ke J, Yi L, Hou T, et al. Time Delay Concealment in Feedback Chaotic Systems with Dispersion in Loop [J]. IEEE Photonics Journal, 2017, 9(2):1-8.

【5】Wang D, Wang L, Zhao T, et al. Time Delay Signature Elimination of Chaos in a Semiconductor Laser by Dispersive Feedback From a Chirped FBG [J]. Optics Express, 2017, 25(10):10911-10924.

引用该论文

JIA Geng-tao,CHEN Yi-long,YU Jiang-tao,KE Jun-xiang,YI Li-lin. The Application of Chaotic Optical Communication in Electric Power Communication Network[J]. Study On Optical Communications, 2018, 44(2): 11-13

贾耕涛,陈毅龙,余江涛,柯俊翔,义理林. 混沌保密光通信技术在电力通信网中的应用[J]. 光通信研究, 2018, 44(2): 11-13

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