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International Conference on Intelligent Green Building and Smart Grid

Research and Applications of Key Technologies of Quantum Secure Communication in Energy Internet

Gengtao Jia, Weidong Ni, Jia-Wei Wu

Published Sep 1, 2019• 7 citations
Publisher

Abstract

With the rapid development of energy Internet, interactions between the power communication network and the cyber Internet become increasingly frequent, resulting in information security threats. Power grid encryption algorithms are mainly based on computational complexity, which will be facilely cracked by the development of quantum computing. Meanwhile, the quantum security communication technology, which is absolutely safe in in theory, can cope with the challenges brought by the improvement of computing. Basing on quantum security communication technology, this paper proposes a general architecture of quantum security communication system in power grid. Problems existing in the application of quantum secure communication technology in power system and key technologies that required to be developed are analyzed concretely. Eventually, several typical energy Internet functions, such as major power-securing events and Unified meter reading and charging service (UMRCS) are proposed to verify the rationality and feasibility.

DOI
10.1109/igbsg.2019.8886266

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With the rapid development of energy Internet, interactions between the power communication network and the cyber Internet become increasingly frequent, resulting in information security threats. Power grid encryption algorithms are mainly based on computational complexity, which will be facilely cracked by the development of quantum computing. Meanwhile, the quantum security communication technology, which is absolutely safe in in theory, can cope with the challenges brought by the improvement of computing. Basing on quantum security communication technology, this paper proposes a general architecture of quantum security communication system in power grid. Problems existing in the application of quantum secure communication technology in power system and key technologies that required to be developed are analyzed concretely. Eventually, several typical energy Internet functions, such as major power-securing events and Unified meter reading and charging service (UMRCS) are proposed to verify the rationality and feasibility.
Abstract With the development of power communication networks, the demand of information security involved in power network services also increases. Traditional secure communication technology have not been able to guarantee the security of the information transmitted in absolute security. This paper focuses on the problem of secure transmission of power communication networks, and proposes a suitable quantum secure communication technology scheme to ensure the key rate of the long-distance quantum secure communication and the security of the power communication network.
Electric power information system is related with the safe operation of power grid. To ensure the data of electric power information will not be eavesdropped or deciphered, we need a strict way of encryption. With the improvement of computing capacity, traditional encryption algorithms are at high risk of crack. Quantum communication technology is an absolute security encryption mode, which can significantly improve the safety of electric power information system. For the particularity of electric power production and management data by analysing the principle of quantum communication technology, we have put forward implementation plan of electric power information system data encryption scheme and quantum communication network.
With the increase of cyber-attacks, the risks of information leakage, falsification and forgery, and bypass control are intensified, and attackers can attack the primary station circuitously through the terminal, resulting in a wider range of security threats. Quantum cryptography has a higher level of security than traditional cryptography. In this paper, a quantum cryptosystem suitable for power communication access network is proposed, and various practical quantum communication devices are designed, and proposes a key reading mode between the service terminal and the quantum key mobile storage device, an interface protocol between the service terminal device and the quantum key mobile storage device, and a key management method applicable to the terminal for the service of the electric service. The application of quantum communication technology to power systems plays a vital role in ensuring the safe, stable and efficient operation of the power grid.
The secure transmission of data in power information systems relates to the safe operation of the entire power grid. To ensure that power information data cannot be eavesdropped or deciphered during transmission, a strict encryption method is required. As computer computing capabilities continue to increase, traditional encryption algorithms face the challenge of reduced security. Quantum communication technology is a kind of encryption method relatively safe in principle. It can be applied to data transmission in power information systems, greatly improving the security of the system. However, at present, there is a problem that the signal weakens in the long-distance transmission process of the quantum, so that the long-distance quantum communication is hindered. For the above problems, a method suitable for long-distance quantum communication is researched through the analysis of the principle of quantum communication technology.
Quantum cryptography is an epoch-making technology with irreplaceable security, which has been widely used in the field of secure communication. This paper first explores the application prospects of quantum communication technology in power systems. Secondly, this paper innovatively proposes a power secure communication method based on quantum keys. At the same time, this paper constructs the quantum key secure communication network architecture and analyzes the application principle and security mechanism of quantum key. Taking the quantum key management system as the core, the author designs and implements the quantum key security storage and business security process application model. Thirdly, this paper uses the local search algorithm to optimize the parameters of the MDI-QKD protocol under symmetric and asymmetric conditions, and gives its optimized key rate. Finally, this paper uses the actual quantum key distribution equipment, quantum VPN and network tester to build an experimental environment. The system uses a comprehensive network tester to simulate the power grid application business information to test and statistically analyze the core performance characteristics of quantum VPN, such as throughput, delay, and encryption algorithm. The experimental results can provide a reference for the popularization and application of the quantum secure communication system in the power grid production control and management information business.
With the construction of State Grid informatization, professional data such as operation inspection, marketing, and regulation have gradually shifted from offline to online. In recent years, cyberspace security incidents have occurred frequently, and national and group cybersecurity threats have emerged. As the next-generation communication system, quantum security has to satisfy the security requirements. Also, it is especially important to build the fusion application of energy network quantum private communication technology and conventional network, and to form a safe and reliable quantum-level communication technology solution suitable for the power grid. In this paper, from the perspective of the multi-terminal quantum key application, combined with a mature electricity consumption information collection system, a handheld meter reading solution based on quantum private communication technology is proposed to effectively integrate the two and achieve technological upgrading. First, from the technical theory and application fields, the current situation of quantum private communication technology and its feasibility of combining with classical facilities are introduced and analyzed. Then, the hardware security module and handheld meter reading terminal equipment are taken as typical examples to design and realize quantum key shared storage, business security process application model; finally, based on the overall environment of quantum key distribution, the architecture design of multi-terminal quantum key application verification is implemented to verify the quantum key business application process.