This paper proposes a new generation of high security level protection of the park integrated energy quantum security communication architecture to improve the security level of the park integrated energy information encryption transmission. At the same time, this paper proposes a quantum key update frequency calculation method, a key replenishment strategy and an optimal distribution strategy that are adaptive to the comprehensive energy business attributes of the park, and optimizes the quantum key control process of a quantum virtual private network (VPN). Finally, this paper verifies that quantum secure communication technology can effectively improve the data security of comprehensive energy business through field deployment and functional performance testing.
This paper proposes a new generation of high security level protection of the park integrated energy quantum security communication architecture to improve the security level of the park integrated energy information encryption transmission. At the same time, this paper proposes a quantum key update frequency calculation method, a key replenishment strategy and an optimal distribution strategy that are adaptive to the comprehensive energy business attributes of the park, and optimizes the quantum key control process of a quantum virtual private network (VPN). Finally, this paper verifies that quantum secure communication technology can effectively improve the data security of comprehensive energy business through field deployment and functional performance testing.
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.
Based on 5G communication, this paper proposes a quantum key encryption method for the physical layer of power grid communication that uses single quantum key encryption to generate a key matrix to achieve the effect of improving the security of the communication system. The innovation of this method is that it can calculate the quantum key update frequency and distribution strategy of each power business by itself. At the same time, the power grid communication encryption algorithm can optimize the quantum key management control process of the quantum security encryption transmission equipment. It can solve the problems of low-key application efficiency or insufficient key that may exist in the current application due to the singleness of the quantum key strategy. Simulation studies show that this scheme can enhance the security and practicability of sensitive information in the power grid.
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.
Electric power communication security is an important support for the development of Energy Internet, secure transmission protection of core and sensitive business data is the vital task of electric power telecommunication network. Quantum secret communication systems rely on quantum key distribution (QKD) mechanism. As the core equipment in quantum secret communication system, quantum VPN achieves data encryption and decryption with quantum key to improve the cipher security of traditional VPN, which can effectively enhance network security of communication in Energy Internet. In this paper, the working mechanism of quantum key distribution and quantum VPN (QuVPN) equipment is firstly described for the commercial quantum secret communication system based on polarization modulation. The simulation experiment structure of quantum VPN is designed, and the experimental environment is established by using the practical QKD equipment, quantum VPN and network tester. The most important performance characteristics including throughput, delay and encryption algorithm of quantum VPN are tested and statistically analyzed, and the verification of secure network transmission with quantum key is implemented. The test results can provide some technical reference for extensive application of quantum VPN in power grid production and management informatization business.
This paper proposes an information encryption transmission method for power system communication network based on quantum security communication technology, which can effectively encrypt the information in power system and ensure the security of information transmission. Based on quantum secure communication technology, the communication network architecture of power system is constructed. Quantum-layer quantum key distribution Network (QKD) uses BB84 protocol to realize quantum information exchange and optical synchronization, provide quantum key to control layer, and encrypt network information of power system. The control layer is responsible for monitoring QKD status, reasonably managing keys, and issuing communication commands to the communication layer. The communication layer switch encrypts and transmits the power system communication network data generated by the application layer through the minimum attenuation routing algorithm according to the controller instruction. Experiments show that this method can realize the information encryption of power system communication network, and the quantum key encryption function, key source exchange function and the number of encryption services meet the requirements. The application of this method can improve the throughput and communication connectivity of power system communication network.
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.