Quantum secret communication gateway system for financial security network

Abstract

The invention discloses a quantum secret communication gateway system for a financial security network. A DPI analysis module of the system conducts application layer analysis on network data streams so as to recognize service types of various applications and submit the service types to an encryption strategy selection module; the encryption strategy selection module conducts quantum key encryption or traditional key encryption or selection transparent transmission according to the priority on services of different levels on the basis of strategies; a network transparent transmission or traditional key encryption module conducts transparent transmission without encryption or conducts encryption through a traditional encryption algorithm based on algorithm safety; a quantum key encryption module conducts quantum encryption transmission. The quantum secret communication gateway system realizes distinguishing and identifying of core service flow of the financial security network, conducts hierarchical encryption on different types of service flow, selects a key distribution encryption or traditional encryption mode according to encryption strategies, realizes quantum secret communication of the core service flow of the financial security network, and gives consideration to the transmission efficiency of financial network services.

Description

technical field [0001] The invention belongs to the technical field of secure communication, and in particular relates to a quantum secure communication gateway system used in a financial security network. Background technique [0002] Quantum secure communication is a physical "absolutely secure" communication method gradually formed on the basis of "Heisenberg's uncertainty principle" and "quantum non-cloning principle". Quantum secure communication uses a single quantum state as an information carrier. Since a single quantum state cannot be cloned, and any measurement operation will change its quantum state, eavesdroppers cannot obtain any effective information without being discovered. The legal receiver of the information can judge that there is eavesdropping in the channel according to the change of the quantum state, so as to ensure the security of the communication process. Therefore, this highly secure communication method has great advantages over traditional encr...

AI Technical Summary

Problems solved by technology

[0006] At present, the encryption method in the financial securities network mainly uses traditional key encryption machine or VPN technology for encryption, and adopts a variety of encryption algorithms commonly used in the world before. These algorithms are encryption algorithms based on algorithm complexity, VPN and other technical key exchange Most of the Internet Information Exchange (IKE) schemes are used, and the keys used are calculated after information exchange on the traditional network, which makes the transmission have a great security risk

Due to the unconditional security of quantum key encryption, quantum key encryption channels can be reliably and securely transmitted. However, in the current main quantum key distribution process, the generation speed and key quantity of quantum keys are very limited. If The high-speed transmission used for all network applications in the financial securities network will greatly affect the efficiency of network transmission and become the bottleneck of network transmission

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