信息网络安全 ›› 2020, Vol. 20 ›› Issue (12): 40-46.doi: 10.3969/j.issn.1671-1122.2020.12.006

• 技术研究 • 上一篇    下一篇

一种量子密钥池的双向使用方案

冯雁1,2, 刘念1(), 谢四江1,2   

  1. 1.北京电子科技学院,北京 100070
    2.中国科学技术大学,合肥 230026
  • 收稿日期:2020-10-16 出版日期:2020-12-10 发布日期:2021-01-12
  • 通讯作者: 刘念 E-mail:ln@besti.edu.cn
  • 作者简介:冯雁(1979—),女,江西,副教授,硕士,主要研究方向为网络安全、量子保密通信网络安全体系等|刘念(1981—),男,山东,讲师,博士,主要研究方向为大数据安全、量子保密通信网络安全体系等|谢四江(1971—),男,湖北,正高级工程师,硕士,主要研究方向为密码系统、量子保密通信网络安全体系等
  • 基金资助:
    国家重点研发计划(2018YFE0200600);安徽省量子通信与量子计算机重大项目引导性项目(AHY180500)

A Bi-directional Use Scheme of Quantum Key Pool

FENG Yan1,2, LIU Nian1(), XIE Sijiang1,2   

  1. 1. Beijing Electronic Science and Technology Institute, Beijing 100070, China
    2. University of Science and Technology of China, Hefei 230026, China
  • Received:2020-10-16 Online:2020-12-10 Published:2021-01-12
  • Contact: LIU Nian E-mail:ln@besti.edu.cn

摘要:

量子保密通信系统中,通信双方可能同时从共享量子密钥池读取密钥,在密钥不允许重用的前提下,量子密钥池中密钥使用可能出现竞争现象。针对此问题,文章提出一种量子密钥池双向使用方案,同时给出了具体的协议交互过程和实现机制。该方案基于半双工通信思想,通过控制主动读取量子密钥池中密钥权限等方式,有效解决密钥池中密钥的竞争使用问题,通信双方能够从共享量子密钥池中正确读取加密密钥和解密密钥。

关键词: 量子保密通信, 量子密钥分发, 量子密钥池, 半双工, 双向

Abstract:

Both sides of the communication may read the key from the shared quantum key pool at the same time in the quantum secure communication system. If the key is not allowed to be reused, there will be competition in the use of the key in the quantum key pool. To solve this problem, a bi-directional key use scheme of quantum key pool is proposed, and the interaction and implementation mechanism of the specific protocol are given. The scheme is based on the idea of half duplex communication, which effectively solves the competitive use of key in the key pool by controlling the permission for obtaining key actively from the quantum key pool, and realizes that both sides of communication can read the encryption key and decryption key correctly from the shared quantum key pool.

Key words: quantum secure communication, quantum key distribution, quantum key pool, half duplex, bi-directional

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