Chinese Journal of Quantum Electronics

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International business data transmission scheme based on MDI-QKD protocol

Gao Z L1, Zhao S M1, Ma Y Y2, Zeng R2,Huang X L2   

  1. (1 Institute of Signal Processing & Transmission, Nanjing University of Posts and Telecommunications (NUPT), Nanjing 210003, China; 2 Global Energy Interconnection Research Institute, State Grid, Nanjing, 210000, China)
  • Published:2019-01-28 Online:2019-01-17

Abstract: The secure transmission of the power information data, especially the international business data, determines the safety of the entire grid network. The unconditional security of quantum communication technology can greatly improve the security of the grid network and provide the detectability of eavesdropping. We propose a secure scheme for the international business data transmission in the grid network based on measurement-device-independent quantum key distribution protocol, where a plug & play struture is adoptd due to the characteristics of the international business data transmisssion. The scheme includes three parts, such as, the control & measure center, the extranet international business zone and the overseas transmission front area. the control & measure center is in charge of the generation of light pulse and the Bell measurements. The extranet international business zone and the overseas transmission front area are connected via virtual private network (VPN) to encryt data. The feasibility of the proposed scheme is verified by theoretical analysis.

Key words: quantum optics, international business data transmission, plug-and-play, measurement-device-independent quantum key distribution