Quantum key distribution network charging method and system based on digital currency

Abstract

The invention discloses a quantum key distribution network charging method and system based on digital currency. The method comprises the following steps: S1, respectively issuing corresponding symmetric keys to a first user side and a second user side by using a commercial bank; s2, the first user side puts forward a key issuing request between the first user side and the quantum communication service station corresponding to the second user side; s3, the first user side sends the digital currency to a quantum communication service station corresponding to the first user side, and stores the quantum random number as a quantum key; s4, quantum secret communication between the first user side and the second user side is achieved through a communication method; and S5, the quantum communication service station realizes digital currency exchange through a currency exchange method. The quantum key card has the advantages that the quantum key card can be used as a digital currency wallet, two functions are combined into one piece of hardware, a user can use the quantum key card conveniently, and in addition, the charging mode of the quantum key has the advantages of being flexible, simple and transparent.

Description

technical field [0001] The invention relates to the field of secure communication, in particular to a digital currency-based quantum key distribution network charging method and system. Background technique [0002] The core elements of the digital currency D-RMB system of the People's Bank of China are one currency, two types of libraries and three centers. A currency, namely "D-RMB" (DC / EP), referred to as D currency, specifically refers to a string of encrypted digital strings signed by the central bank representing a specific amount. Two types of libraries: D-RMB issuance library and bank library (central bank digital currency database, commercial bank digital currency database). In the issuance library, the digital currency is represented as the digital currency fund of the central bank; in the bank library, the digital currency is represented as the inventory digital cash of commercial banks. Three centers: one is the registration center (records the whole process of...

AI Technical Summary

Problems solved by technology

[0005] 1. In the existing technology, the billing mode of the quantum key is not flexible enough: generally, billing is performed according to the quantity of the quantum key when it is issued, and the user is billed before using the quantum key, which may cause quantum Idle or even waste of keys;

[0006] 2. In the existing technology, the quantum key billing mode is relatively cumbersome: quantum key distribution and billing are two independent processes and two independent operating systems, and the system construction and business logic are more complicated; there are The mode of collecting cash is not convenient for subsequent audits;

[0007] 3. In the existing technology, the billing mode of the quantum key is not transparent enough: the user needs to query the billing details of each communication, and the billing details are not refined to the billing situation of each relay node

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