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Journal of Jilin University(Science Edition)

Quantum Cryptography Network Flow Control Strategy Based on BB84 Protocol

WU Jia-na

Published Jan 1, 2014• 1 citation
OpenAlex

Abstract

A new network technology solution combined quantum private communicate network with classical network was proposed,which adopts flow control and data distribution strategy based on time slice rotation principle.It solved the problems that quantum private communicate network's backbone transmission system's quantum key pool's capacity is small and the key generation rate is slower.We applied the strategy to monitoring the outgoing interface of quantum private communicate network,with the experimental results showing the effectiveness and feasibility of the proposed method.

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A new network technology solution combined quantum private communicate network with classical network was proposed,which adopts flow control and data distribution strategy based on time slice rotation principle.It solved the problems that quantum private communicate network's backbone transmission system's quantum key pool's capacity is small and the key generation rate is slower.We applied the strategy to monitoring the outgoing interface of quantum private communicate network,with the experimental results showing the effectiveness and feasibility of the proposed method.
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.
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.
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.
With the development of the Internet, information security has attracted great attention in today’s society, and quantum cryptography communication network based on quantum key distribution (QKD) is a very important part of this field, since the quantum key distribution combined with one-time-pad encryption scheme can guarantee the unconditional security of the information. The secret key generated by quantum key distribution protocols is a very valuable resource, so making full use of key resources is particularly important. Software definition network (SDN) is a new type of network architecture, and it separates the control plane and the data plane of network devices through OpenFlow technology, thus it realizes the flexible control of the network resources. In this paper, a quantum cryptography communication network model based on SDN is proposed to realize the flexible control of quantum key resources in the whole cryptography communication network. Moreover, we propose a routing algorithm which takes into account both the hops and the end-to-end availible keys, so that the secret key generated by QKD can be used effectively. We also simulate this quantum cryptography communication network, and the result shows that based on SDN and the proposed routing algorithm the performance of this network is improved since the effective use of the quantum key resources.
Quantum communication is the information network communication cross technology developed in recent years. And it is a new communication technology by using network effects of quantum to carry out information transmission. Quantum communication is closely relative with quantum cryptography, quantum teleportation and quantum transport protocol. Quantum communication belongs to the complex network communication. Quantum bit is the basic unit of the network transmission. The wide range of application of quantum complex network is mainly the preparation of remote distance network seepage flow. In the process of quantum complex network information transmission, it is easily susceptible to environmental disturbances, so that it decreases the signal. This paper puts forward a scheme of solving quantum complex network transmission - network seepage flow. Traditional network seepage flow protocol scheme is the CEP network seepage flow agreement, but this solution has a certain limitation. The paper carries out the "target-swap" operation to CEP network seepage flow protocol, and obtains the QEP seepage flow protocol, and the superiority of this kind network seepage flow is proved through experimental network.