相移键控量子噪声随机加密系统性能研究

doi:10.3969/j.issn.1007-5461.2021.06.013

量子电子学报 ›› 2021, Vol. 38 ›› Issue (6): 846-854.doi: 10.3969/j.issn.1007-5461.2021.06.013

相移键控量子噪声随机加密系统性能研究

陈毓锴1,2 , 蒲涛1 , 郑吉林1∗ , 李云坤1 , 郁楠3 , 曹阳1

1 陆军工程大学通信工程学院, 江苏南京 210007; 2 中国人民解放军第 61623 部队, 北京 100840; 3 中国人民解放军第 31121 部队, 福建福州 350001

收稿日期:2020-08-03 修回日期:2020-09-03 出版日期:2021-11-28 发布日期:2021-11-28
通讯作者: E-mail: zhengjilinjs@126.com E-mail:E-mail: zhengjilinjs@126.com
作者简介:陈毓锴 ( 1996 - ), 福建漳州人, 研究生, 主要从事量子噪声随机加密系统和物理层安全性方面的研究。 E-mail: 1009557376@qq.com
基金资助:
Supported by National Natural Science Foundation of China (国家自然科学基金, 61974165, 61901480)

Research on performance of phase shift keying quantum-noise randomized cipher system

CHEN Yukai 1,2 , PU Tao 1 , ZHENG Jilin 1∗ , LI Yunkun 1 , YU Nan 3 , CAO Yang 1

1 Communications Engineering College, Army Engineering University of PLA, Nanjing 210007, China; 2 Troop 61623 of PLA, Beijing 100840, China; 3 Troop 31121 of PLA, Fuzhou 350001, China

Received:2020-08-03 Revised:2020-09-03 Published:2021-11-28 Online:2021-11-28

摘要/Abstract

摘要： 量子噪声随机加密 (QNRC) 是一种新兴的提高光纤传输安全性的物理层加密方案。基于窃听信道模型, 以合法信道容量和信息截获概率为基本指标, 对相移键控 (PSK) QNRC 系统的传输性能和安全性能进行定量评估, 并分析了介观态功率、进制数以及量子噪声掩盖的量子态数对系统性能的影响。仿真结果表明: 为了提高系统的传输性能和安全性能, 发送端需采用光放大器; 在保证系统传输性能的同时, 可适当减小介观态功率来提高系统的安全性; 较高的进制数可有效地提高 PSK-QNRC 系统的安全性, 且不影响其传输性能; 系统数据安全性主要受限于量子噪声掩盖的量子态数。

关键词: 光通信, 量子噪声随机加密, 合法信道容量, 信息截获概率

Abstract: Quantum-noise randomized cipher (QNRC) is an emerging physical layer encryption scheme to improve the security of optical fiber transmission. Based on the wire-tap channel model, the transmission performance and security performance of phase shift keying (PSK) QNRC system are evaluated quantitatively with legal channel capacity and information interception probability as the performance metric, and the effects of mesoscopic power, mechanism and number of quantum state masked by quantum noise on system performance are also analyzed. The simulation results show that in order to improve the transmission performance and security performance of the system, it is necessary to use optical amplifier at the transmitting end. While ensuring the transmission performance of the system, the mesoscopic power can be reduced appropriately to improve the system′ s security. Higher mechanism can improve the security of PSK-QNRC system effectively without affecting its transmission performance. The security of data is mainly limited by the number of quantum states masked by quantum noise.

Key words: optical communication, quantum-noise random cipher, legal channel capacity, information interception probability

中图分类号:

TN919

陈毓锴, 蒲涛, 郑吉林∗, 李云坤, 郁楠, 曹阳. 相移键控量子噪声随机加密系统性能研究[J]. 量子电子学报, 2021, 38(6): 846-854.

CHEN Yukai , , PU Tao , ZHENG Jilin ∗ , LI Yunkun , YU Nan , CAO Yang . Research on performance of phase shift keying quantum-noise randomized cipher system[J]. Chinese Journal of Quantum Electronics, 2021, 38(6): 846-854.

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相移键控量子噪声随机加密系统性能研究

Research on performance of phase shift keying quantum-noise randomized cipher system

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