CN115333729A - Quantum key distribution method and system for power terminal - Google Patents
Quantum key distribution method and system for power terminal Download PDFInfo
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- CN115333729A CN115333729A CN202210909452.6A CN202210909452A CN115333729A CN 115333729 A CN115333729 A CN 115333729A CN 202210909452 A CN202210909452 A CN 202210909452A CN 115333729 A CN115333729 A CN 115333729A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
- H04L9/0816—Key establishment, i.e. cryptographic processes or cryptographic protocols whereby a shared secret becomes available to two or more parties, for subsequent use
- H04L9/0852—Quantum cryptography
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/06—Network architectures or network communication protocols for network security for supporting key management in a packet data network
- H04L63/062—Network architectures or network communication protocols for network security for supporting key management in a packet data network for key distribution, e.g. centrally by trusted party
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
- H04L9/0816—Key establishment, i.e. cryptographic processes or cryptographic protocols whereby a shared secret becomes available to two or more parties, for subsequent use
- H04L9/0819—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s)
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/30—Services specially adapted for particular environments, situations or purposes
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L2209/00—Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
- H04L2209/80—Wireless
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/20—Information technology specific aspects, e.g. CAD, simulation, modelling, system security
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Abstract
The invention relates to a quantum key distribution method and a quantum key distribution system for an electric power terminal, wherein the key distribution method comprises the steps that a key distribution server side encrypts a quantum key QKey by using a distribution key, and simultaneously transmits the encrypted quantum key QKey to an electric power terminal A and an electric power terminal B in a 5G communication mode; the electric terminal A and the electric terminal B receive the encrypted quantum key QKey sent by the key distribution server, decrypt the encrypted quantum key QKey by using the same distribution key as the key distribution server, and obtain the quantum key QKey distributed by the key distribution server, wherein the electric terminal A and the electric terminal B communicate based on the quantum key QKey. The quantum key distribution method and system of the power terminal, and the quantum key distribution method and system of the power terminal distribute the quantum key based on the 5G wireless communication network transmission, so that the quantum key distribution in the power service is more economical and faster.
Description
Technical Field
The invention relates to the technical field of quantum communication, in particular to a quantum key distribution method for an electric power terminal and a quantum key distribution system for the electric power terminal.
Background
Quantum communication is an important branch of quantum informatics, and mainly relates to aspects such as Quantum Key Distribution (QKD), quantum crypto-morphism, quantum secure communication and the like. Quantum secure communication is a communication technology for encrypting and decrypting service data by using a random number key (or quantum key) with the same length as encrypted data, and how to generate or distribute the quantum key is the basis of quantum secure communication.
The power system is used as an infrastructure, needs to constantly ensure normal operation, requires monitoring the operation condition of each device, and issues an operation instruction to the device. At present, the technology combined with the power system mainly encrypts data in the power communication network through a quantum key to ensure data security. The quantum key is distributed through a classical quantum key distribution route, namely a private network, and requires a private line for quantum key distribution or a wired network, so that the line construction cost is high, the maintenance cost is high, and particularly, the construction and maintenance costs are higher in areas with severe terrain environments.
Disclosure of Invention
Therefore, the technical problem to be solved by the present invention is to overcome the problems of the prior art that the quantum key distribution depends on a private line network and the erection and maintenance costs are high, and provide a quantum key distribution method and system suitable for an electric power terminal, wherein the quantum key distribution method and system are based on the 5G wireless communication network transmission, so that the quantum key distribution in the electric power service is more economical and faster.
In order to solve the above technical problem, the present invention provides a quantum key distribution method for a power terminal, including the steps of,
the key distribution server side encrypts the quantum key QKey by using a distribution key, and simultaneously transmits the encrypted quantum key QKey to the power terminal A and the power terminal B in a 5G communication mode;
the electric terminal A and the electric terminal B receive the encrypted quantum key QKey sent by the key distribution server, decrypt the encrypted quantum key QKey by using the same distribution key as the key distribution server, and obtain the quantum key QKey distributed by the key distribution server, wherein the electric terminal A and the electric terminal B communicate based on the quantum key QKey;
the key distribution server, the power terminal A and the power terminal B divide the quantum key QKey into a quantum key-one QKey-1 and a quantum key-two QKey-2 based on the same algorithm, the power terminal A and the power terminal B perform secret communication based on the quantum key-one QKey-1, and the quantum key-two QKey-2 is used as the distribution key for next quantum key distribution.
In an embodiment of the present invention, the initial distribution key is obtained by physically pouring the distribution key on the power terminal a and the power terminal B; and the same initial distribution key is backed up and stored on the key distribution server.
In one embodiment of the present invention, in step (1), the quantum key QKey is generated by a quantum true random number generator.
In one embodiment of the invention, the quantum true random number generator is arranged on the key distribution server side.
In one embodiment of the present invention, the quantum true random number generator is configured in a quantum transmission network, and the quantum key QKey generated by the quantum true random number generator is transmitted to the key distribution server through the quantum transmission network.
In an embodiment of the present invention, before the key distribution server distributes the quantum key to the electric terminal a and the electric terminal B, the electric terminal a and the electric terminal B are bound with the key distribution server.
Based on the same inventive concept, the invention further provides a quantum key distribution system for the power terminals, which comprises a key distribution server and at least two power terminals, wherein the key distribution server and the power terminals are both provided with 5G communication modules, the key distribution server distributes and transmits quantum keys to the two power terminals through the 5G communication modules, and the two power terminals are communicated based on the quantum keys.
In an embodiment of the present invention, the key distribution server encrypts a quantum key QKey using a distribution key, and distributes and transmits the quantum key QKey to the two power terminals through the 5G communication module;
the two power terminals receive the encrypted quantum key QKey sent by the key distribution server, decrypt the encrypted quantum key QKey by using the same distribution key, and obtain the quantum key QKey distributed by the key distribution server;
the key distribution server and the two power terminals divide the quantum key QKey into a quantum key first QKey-1 and a quantum key second QKey-2 based on the same algorithm, the two power terminals perform secret communication based on the quantum key first QKey-1, and the quantum key second QKey-2 is used as the distribution key for next quantum key distribution.
In an embodiment of the present invention, the initial distribution key is obtained by physically pouring on both the two power terminals; and the same initial distribution key is backed up and stored on the key distribution server.
In an embodiment of the present invention, the quantum key QKey is generated by a quantum true random number generator, the quantum true random number generator is disposed on the key distribution server, or the quantum true random number generator is configured in a quantum transmission network, and the quantum key QKey generated by the quantum true random number generator is transmitted to the key distribution server through the quantum transmission network.
Compared with the prior art, the technical scheme of the invention has the following advantages:
firstly, the quantum key distribution method and system for the power terminals, disclosed by the invention, have the advantages that the key distribution server sends the encrypted quantum key to two power terminals needing to generate communication simultaneously in a 5G communication mode, so that the distribution of the quantum key and the separation of a private network are realized, the wireless transmission of the quantum key is completed only by means of the existing 5G communication channel, the deployment and operation cost is low, and the distribution of the quantum key in the power service is more economical and faster.
Secondly, according to the quantum key distribution method and system for the power terminal, the key distribution server and the power terminal divide the quantum key QKey into the quantum key-one QKey-1 and the quantum key-two QKey-2 based on the same algorithm, quantum secret communication is carried out between the two power terminals based on the quantum key-one QKey-1, the quantum key-two QKey-2 is used as a distribution key for next quantum key distribution, the distribution key used for quantum key distribution is a quantum true random number, and the safety level of the wireless distribution quantum key can be greatly improved; further, obtaining the distributed key in this manner does not increase the overall consumption of the quantum key.
Drawings
In order that the present disclosure may be more readily and clearly understood, reference is now made to the following detailed description of the embodiments of the present disclosure taken in conjunction with the accompanying drawings, in which
Fig. 1 is a flow chart of a quantum key distribution method for an electric power terminal in a preferred embodiment of the present invention;
fig. 2 is a system diagram of a quantum key distribution system for a power terminal in a preferred embodiment of the invention.
Detailed Description
The present invention is further described below in conjunction with the following figures and specific examples so that those skilled in the art may better understand the present invention and practice it, but the examples are not intended to limit the present invention.
The embodiment of the invention discloses a quantum key distribution method for electric power terminals, wherein the electric power terminals perform secret communication of electric power services based on quantum keys acquired through key distribution.
The main hardware devices involved in quantum key distribution in this embodiment include:
(1) Electric power terminal
The power terminal comprises terminal equipment such as a monitor, a monitoring camera, a control platform and an electric box, wherein video data are transmitted through communication between the monitor and the monitoring camera, and control data are transmitted through communication between the control platform and the electric box. The electric power terminal is a request end and a receiving end for quantum key distribution, and is bound with the key distribution server end in an identity authentication mode.
The power terminal is configured with a 5G communication module, and is configured with a memory and a commonly used data interface (such as USB, type-C, etc.), and the power terminal pours an initial distribution key into the internal memory through the data interface.
(2) Key distribution server
The key distribution server is a quantum key distribution terminal and is used for distributing quantum keys to the power terminals bound with the key distribution server and distributing the same quantum keys to the two power terminals which are bound with the key distribution server and need to generate communication, and secret communication is carried out between the two power terminals based on the quantum keys. And the initial distribution key obtained by the power terminal in a perfusion mode is also stored in the key distribution server.
The key distribution server is provided with a 5G communication module and a configurable quantum true random number generator, and quantum keys distributed between the key distribution server and the power terminal are transmitted based on the communication of the 5G communication module; and the key distribution server generates a quantum key for distribution through a quantum true random number generator. Of course, according to actual usage requirements, the quantum true random number used for generating the quantum key may also be configured in a quantum transmission network, and the quantum key generated by the quantum true random number generator is transmitted to the key distribution server through the quantum transmission network.
In the technical scheme of this embodiment, when the key distribution server distributes the quantum key to the power terminal, the key distribution server and the power terminal use the same distributed key, and the process of obtaining the same distributed key is as follows:
obtaining an initial distribution key: the power equipment stores the same quantum key as an initial distribution key QKey0 through an interface perfusion mode and a key distribution service end.
Distribution key in distribution process: the method comprises the steps that an electric terminal decrypts by using an initial distribution key QKey0 to obtain a quantum key QKey distributed for the first time, a key distribution server side, two electric terminals and a key distribution server side divide the quantum key QKey into a quantum key I QKey-1 and a quantum key II QKey-2 based on the same algorithm, secret communication is carried out between the two electric terminals based on the quantum key I QKey-1, and the quantum key II QKey-2 is used as a distribution key distributed for the second time of quantum key distribution; and a part of the quantum key distributed for the second time is used as a distribution key distributed for the third time, and a part of the quantum key distributed for the third time is used as a distribution key distributed for the fourth time, and so on, so as to obtain the distribution key in the distribution process.
Referring to fig. 1, the quantum key distribution method for an electric power terminal according to the present invention specifically includes the following steps:
(1) At least two power terminals (a power terminal A and a power terminal B) which need to generate communication are bound with the key distribution service end identity authentication;
(2) The key distribution server side encrypts the quantum key QKey by using a distribution key, and simultaneously transmits the encrypted quantum key QKey to the power terminal A and the power terminal B in a 5G communication mode;
(3) The electric terminal A and the electric terminal B receive the encrypted quantum key QKey sent by the key distribution server, decrypt the encrypted quantum key QKey by using the same distribution key as the key distribution server, and obtain the quantum key QKey distributed by the key distribution server, wherein the electric terminal A and the electric terminal B communicate based on the quantum key QKey.
Specifically, the quantum key is read by the key distribution server
The first key distribution procedure is as follows:
the key distribution server encrypts the quantum key QKey1 by using the initial distribution key QKey0 to obtain QKey1', and sends the QKey1' to the power terminal A and the power terminal B in a 5G communication mode;
the power terminal A and the power terminal B decrypt the QKey1' by using an initial distribution key QKey0 to obtain the same quantum key QKey1, and the power terminal A and the power terminal B are distributed with the same quantum key QKey1;
the key distribution server, the power terminal A and the power terminal B use the same algorithm to divide the quantum key QKey1 into a quantum key one QKey1-1 and a quantum key two QKey1-2, and the power terminal A and the power terminal B use the quantum key one QKey1-1 to carry out encryption communication to complete the first quantum key distribution.
The second key distribution process is as follows:
when the quantum key of the power terminal is insufficient, the key distribution server encrypts the quantum key QKey2 by using a quantum key two QKey1-2 generated in the process of distributing the key for the first time to obtain a QKey2', and sends the QKey2' to the power terminal A and the power terminal B in a 5G communication mode;
the power terminal A and the power terminal B decrypt the QKey2' by using an initial distribution key quantum key two QKey1-2 to obtain the same quantum key QKey2, and the power terminal A and the power terminal B are distributed with the same quantum key QKey2;
the key distribution server, the power terminal A and the power terminal B use the same algorithm to divide the quantum key QKey2 into a quantum key one QKey2-1 and a quantum key two QKey2-2, and the power terminal A and the power terminal B use the quantum key one QKey2-1 to carry out encryption communication to complete secondary quantum key distribution.
The quantum key two QKey2-2 is used as the distribution key for the third time distribution key.
And the analogy is performed, and the key distribution server side is used for distributing the quantum key to the power terminal.
Therefore, according to the quantum key distribution method for the power terminals, the key distribution server side sends the encrypted quantum key to the two power terminals needing to generate communication simultaneously in a 5G communication mode, so that the distribution and the private network separation of the quantum key are realized, the wireless transmission of the quantum key is completed only by means of the existing 5G communication channel, the deployment and operation cost is low, and the distribution of the quantum key in the power service is more economical and rapid.
According to the quantum key distribution method for the power terminals, the key distribution server and the power terminals divide a quantum key QKey into a quantum key I QKey-1 and a quantum key II QKey-2 based on the same algorithm, quantum secret communication is carried out between the two power terminals based on the quantum key I QKey-1, the quantum key II QKey-2 is used as a distribution key for next quantum key distribution, the distribution key used for quantum key distribution is a quantum true random number, and the safety level of a wireless distribution quantum key can be greatly improved; further, obtaining the distributed key in this manner does not increase the overall consumption of the quantum key.
Based on the same inventive concept, the embodiment of the invention further provides a quantum key distribution system for an electric power terminal, which comprises a key distribution server and at least two electric power terminals (an electric power terminal a and an electric power terminal B), wherein the key distribution server and the electric power terminals are both provided with 5G communication modules, the key distribution server distributes and transmits quantum keys to the two electric power terminals through the 5G communication modules, and the two electric power terminals (the electric power terminal a and the electric power terminal B) communicate based on the quantum keys.
According to the quantum key distribution system for the power terminal, the key distribution server and the power terminal distribute and transmit the quantum key based on the 5G communication module, the distribution of the quantum key and the separation of a private network are realized, the wireless transmission of the quantum key is completed only by means of the existing 5G communication channel, the deployment and operation cost is low, and the distribution of the quantum key in the power service is more economical and rapid.
Specifically, the key distribution server encrypts a quantum key QKey by using a distribution key, and distributes and transmits the quantum key QKey to the two power terminals through the 5G communication module; and the two power terminals receive the encrypted quantum key QKey sent by the key distribution server, decrypt the encrypted quantum key QKey by using the same distribution key, and obtain the quantum key QKey distributed by the key distribution server.
In the technical scheme of this embodiment, when the key distribution server distributes the quantum key to the power terminal, the key distribution server and the power terminal use the same distributed key, and the process of obtaining the same distributed key is as follows:
obtaining an initial distribution key: the power equipment stores the same quantum key as an initial distribution key QKey0 through an interface perfusion mode and a key distribution service end.
Distribution key in distribution process: the method comprises the steps that an electric terminal decrypts by using an initial distribution key QKey0 to obtain a quantum key QKey distributed for the first time, a key distribution server and two electric terminals (an electric terminal A and an electric terminal B) and the key distribution server divide the quantum key QKey into a quantum key I QKey-1 and a quantum key II QKey-2 based on the same algorithm, secret communication is carried out between the two electric terminals (the electric terminal A and the electric terminal B) based on the quantum key I QKey-1, and the quantum key II QKey-2 is used as a distribution key distributed for the second time of quantum key distribution; and a part of the quantum key distributed for the second time is used as a distribution key distributed for the third time, and a part of the quantum key distributed for the third time is used as a distribution key distributed for the fourth time, and so on, so as to obtain the distribution key in the distribution process.
The key distribution server is provided with a configurable quantum true random number generator, the quantum true random number generator is used for generating a quantum key, and the key distribution server reads the quantum key for distribution. Of course, according to actual usage requirements, the quantum true random number used for generating the quantum key may also be configured in a quantum transmission network, and the quantum key generated by the quantum true random number generator is transmitted to the key distribution server through the quantum transmission network.
According to the quantum key distribution system for the power terminals, the key distribution server and the power terminals divide the quantum key QKey into the quantum key I QKey-1 and the quantum key II QKey-2 based on the same algorithm, quantum secret communication is carried out between the two power terminals based on the quantum key I QKey-1, the quantum key II QKey-2 is used as a distribution key for next quantum key distribution, the distribution key used for quantum key distribution is a quantum true random number, and the safety level of the wireless distribution quantum key can be greatly improved; further, obtaining the distributed key in this manner does not increase the overall consumption of the quantum key.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Various other modifications and alterations will occur to those skilled in the art upon reading the foregoing description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.
Claims (10)
1. A quantum key distribution method for an electric power terminal, characterized by: comprises the following steps of (a) preparing a solution,
(1) The key distribution server side encrypts the quantum key QKey by using a distribution key, and simultaneously transmits the encrypted quantum key QKey to the power terminal A and the power terminal B in a 5G communication mode;
(2) The electric terminal A and the electric terminal B receive the encrypted quantum key QKey sent by the key distribution server, decrypt the encrypted quantum key QKey by using the same distribution key as the key distribution server, and obtain the quantum key QKey distributed by the key distribution server, wherein the electric terminal A and the electric terminal B communicate based on the quantum key QKey;
the key distribution server, the power terminal A and the power terminal B divide the quantum key QKey into a quantum key-one QKey-1 and a quantum key-two QKey-2 based on the same algorithm, the power terminal A and the power terminal B perform secret communication based on the quantum key-one QKey-1, and the quantum key-two QKey-2 is used as the distribution key for next quantum key distribution.
2. The quantum key distribution method for the power terminal according to claim 1, characterized in that: the power terminal A and the power terminal B obtain the initial distributed key in a physical pouring mode; and the same initial distribution key is backed up and stored on the key distribution server.
3. The quantum key distribution method for the power terminal according to claim 1 or 2, characterized in that: in the step (1), the quantum key QKey is generated by a quantum true random number generator.
4. The quantum key distribution method for the power terminal according to claim 3, characterized in that: the quantum true random number generator is arranged on the key distribution server side.
5. The quantum key distribution method for the power terminal according to claim 3, characterized in that: the quantum true random number generator is configured in a quantum transmission network, and the quantum key QKey generated by the quantum true random number generator is transmitted to the key distribution server through the quantum transmission network.
6. The quantum key distribution method for the power terminal according to claim 1, characterized in that: the method further comprises the step that before the key distribution server distributes the quantum key to the electric power terminal A and the electric power terminal B, the electric power terminal A and the electric power terminal B are bound with the key distribution server.
7. A quantum key distribution system for a power terminal, characterized by: the key distribution server side and the electric power terminals are both provided with 5G communication modules, the key distribution server side distributes transmission quantum keys to the two electric power terminals through the 5G communication modules, and the two electric power terminals are communicated based on the quantum keys.
8. The quantum key distribution system for power terminals of claim 7, wherein: the key distribution server side encrypts a quantum key QKey by using a distribution key, and distributes and transmits the quantum key QKey to the two power terminals through the 5G communication module;
the two power terminals receive the encrypted quantum key QKey sent by the key distribution server, decrypt the encrypted quantum key QKey by using the same distribution key, and obtain the quantum key QKey distributed by the key distribution server;
the key distribution server and the two power terminals divide the quantum key QKey into a quantum key first QKey-1 and a quantum key second QKey-2 based on the same algorithm, the two power terminals perform secret communication based on the quantum key first QKey-1, and the quantum key second QKey-2 is used as the distribution key for next quantum key distribution.
9. The quantum key distribution system for power terminals of claim 8, wherein: the two power terminals obtain the initial distribution key in a physical pouring mode; and the same initial distribution key is backed up and stored on the key distribution server.
10. The quantum key distribution system for power terminals of claim 8, wherein: the quantum key QKey is generated by a quantum true random number generator, the quantum true random number generator is arranged on the key distribution server, or the quantum true random number generator is configured in a quantum transmission network, and the quantum key QKey generated by the quantum true random number generator is transmitted to the key distribution server through the quantum transmission network.
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