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IEEE International Conference on Communication Technology (ICCT)

Quantum Key Interaction Mechanism for Power Communication Access Network

Zhiping Yan, Qiang Zhang, Yanbin Song, Jianan Yuan

Published Oct 1, 2018• 1 citation
Publisher

Abstract

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.

DOI
10.1109/icct.2018.8600225

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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.
Power distribution operation involves the supervision and control of the operating states of a large distribution power grid. This technology includes several features, e.g. an abundant amount of application nodes, diversity of communication channels, etc. To accelerate the construction of State Grid-electric Internet of things and to guarantee the security of power grids data network and to consider the feature of power grids, a synthetic key management system is proposed. In the first section of this paper, from the perspective of maturity and practicality of related technology, the feasibility of combining quantum private communication and automatic power grid key management system is analyzed and demonstrated. In the next section, a key-management method, which is designed to combine quantum private communication technology and interaction with encryption devices, is designed and implemented. In the concluding section, to guarantee the integrity and atomicity in key storage processes and to achieve the quantum key storage, rollback mechanism of large-capacity quantum key storage is studied and discussed.
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.
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.
This paper proposes a distribution network application scheme based on quantum secure communication and 5G hard slicing private network. The method can calculate the quantum key update frequency and distribution strategy of each power business by itself. The system performs the key self-evolution of the synchronization between the sender and the receiver by transmitting the random quantity of short length generated in the communication in the quantum channel. It replaces the traditional update method where a new full key must be sent and received after each update must be renegotiated. Finally, this paper proposes the key reading mode between the service terminal and the quantum key mobile storage device, the interface protocol between the service terminal device and the quantum key mobile storage device, and the key management method suitable for the power distribution service terminal. The experimental results show that the described method can realize the automation and intelligence of the optimal distribution of quantum keys for accurate data protection of various power services. This method can construct a precise and secure data protection mechanism based on quantum keys.
In the future quantum computing era,there will be security risks in the authentication and key exchange links of constructing Virtual Private Network(VPN).Therefore,a VPN enhanced security architecture based on Quantum Secure Key Management Service(QS-KMS) is established to implement quantum security solutions based on quantum cryptography.A global unified backend QS-KMS service is used to provide authentication and session key for IPSec VPN to decouple VPN services from physical layer quantum devices.In view of the complex working conditions and strong environmental interference of power overhead fiber optic cables,the QS-KMS key pool dynamic key management technology and post-quantum cryptography technology are applied to keep the key pool sufficient to ensure the stable operation of VPN.On this basis,the effective quantum security VPN service in the power communication network is realized.Test results show that this method can meet the needs of power grid control communication.
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.