CN117098123A - Quantum key-based Beidou short message encryption communication system - Google Patents
Quantum key-based Beidou short message encryption communication system Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/04—Key management, e.g. using generic bootstrapping architecture [GBA]
- H04W12/043—Key management, e.g. using generic bootstrapping architecture [GBA] using a trusted network node as an anchor
- H04W12/0433—Key management protocols
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/185—Space-based or airborne stations; Stations for satellite systems
- H04B7/1851—Systems using a satellite or space-based relay
- H04B7/18513—Transmission in a satellite or space-based system
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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
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/03—Protecting confidentiality, e.g. by encryption
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/04—Key management, e.g. using generic bootstrapping architecture [GBA]
- H04W12/043—Key management, e.g. using generic bootstrapping architecture [GBA] using a trusted network node as an anchor
- H04W12/0431—Key distribution or pre-distribution; Key agreement
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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
- H04W4/12—Messaging; Mailboxes; Announcements
- H04W4/14—Short messaging services, e.g. short message services [SMS] or unstructured supplementary service data [USSD]
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The invention relates to the technical field of quantum secret communication, in particular to a Beidou short message encryption communication system based on a quantum key, which comprises a trusted quantum key management center and a plurality of Beidou user terminals, wherein the Beidou user terminals respectively carry out information transmission with the trusted quantum key management center through a Beidou communication network; the communication system uses the quantum true random number as a quantum key, and is used for realizing quantum key transmission between a trusted quantum key management center and a Beidou user side through the Beidou terminal equipment, so that the problem of quantum key transmission is effectively solved; meanwhile, each time the Beidou user side sends an application session key to the trusted key management center, the quantum key management server updates the key to realize one-time encryption; and different root keys are filled in the quantum key storage modules of different Beidou user ends, so that the Beidou user ends encrypt application and transmission of the quantum session keys by using the corresponding root keys, and the security of quantum session key transmission is ensured.
Description
Technical Field
The invention relates to the technical field of quantum secret communication, in particular to a Beidou short message encryption communication system based on a quantum key.
Background
In the Beidou short message transmission process, the conventional encryption technology generally relies on the mathematical problem of using huge calculation complexity, and along with the improvement of calculation capacity and algorithm, the safety of the conventional encryption algorithm cannot be ensured; encrypting the data frame based on the key generated by the pseudo-random number generator, wherein the randomness of the data encryption key is insufficient; the Beidou short message communication byte is limited, the data encryption key length is limited, the key is rarely updated, the data security is greatly reduced, and potential risks exist in the security of transmitting data of Beidou users; meanwhile, a large number of pseudo random keys generated and stored by the encryption algorithm are resource waste for the Beidou short message communication system, and the complex encryption algorithm also causes lower transmission efficiency and extrudes the transmission content of the Beidou short message.
In view of the above, the invention provides a Beidou short message encryption communication system based on a quantum key.
Disclosure of Invention
The invention aims to provide a Beidou short message encryption communication system based on a quantum key, which solves the technical problems in the prior art.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the Beidou short message encryption communication system based on the quantum key comprises a trusted quantum key management center and a plurality of Beidou user terminals, wherein the Beidou user terminals respectively perform information transmission with the trusted quantum key management center through a Beidou communication network;
the trusted quantum key management center comprises a quantum random number generator, a quantum key management server and a Beidou terminal device, wherein the Beidou terminal device is connected with the quantum random number generator and the quantum key management server, the quantum random number generator is used for generating a root key and a quantum session key, the generated root key and quantum session keys are stored in the quantum key management server, and the quantum key management server is used for correspondingly storing, recording and discarding the root keys and quantum session keys of a plurality of Beidou user sides;
each Beidou user side comprises an information sending device and an information receiving device, wherein the information sending device and the information receiving device are connected with the Beidou terminal device through a Beidou communication network, the information sending device is used for sending a root key request and a quantum session key request to the Beidou terminal device, and the information receiving device is used for receiving the root key and the quantum session key sent by the Beidou terminal device.
Preferably, the Beidou communication network comprises a Beidou satellite and a ground control center, wherein the Beidou satellite is connected with the ground control center;
the Beidou satellite is used for carrying out information transmission with the Beidou terminal equipment, the information sending equipment and the information receiving equipment respectively;
the ground control center is used for analyzing the inbound information received by the Beidou satellite, generating outbound information after analysis, broadcasting the outbound information through the Beidou satellite and sending the outbound information to the corresponding Beidou terminal equipment and the information receiving equipment.
Preferably, a first Beidou communication module, a first positioning module, a first Beidou SIM card and a quantum key storage module are arranged in each of the information sending equipment and the information receiving equipment of the Beidou user side, and the first Beidou communication module is connected with the first positioning module, the first Beidou SIM card and the quantum key storage module;
the first Beidou communication module is used for establishing communication connection with the Beidou satellite and transmitting information;
the first positioning module is used for recording the position information of the Beidou user side;
the first Beidou SIM card is used for recording the identity information of the Beidou user side and carrying out communication authentication by taking the ID of the first Beidou SIM card as an identity authentication code;
the quantum key storage module is used for storing a corresponding root key and quantum session keys, and the root keys and quantum session keys in the quantum key storage modules of the Beidou user terminals are different.
Preferably, a second Beidou SIM card, a second Beidou communication module and a second positioning module are arranged in the Beidou terminal equipment, and the second Beidou communication module is connected with the second Beidou SIM card and the second positioning module;
the second Beidou SIM card is used for recording the identity information of the Beidou terminal equipment and carrying out communication authentication by taking the ID of the second Beidou SIM card as an identity authentication code;
the second Beidou communication module is used for establishing communication connection with the first Beidou communication module and transmitting information;
the second positioning module is used for recording the position information of the Beidou terminal equipment.
Preferably, the quantum random number generator generates a quantum true random number by utilizing intrinsic randomness of a quantum system, and sends the quantum true random number serving as the root key and the quantum session key to the information receiving device through a Beidou communication network.
Preferably, the quantum key storage module is a FLASH storage medium or a ROM storage medium.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, based on a Beidou satellite communication network, a quantum true random number is used as a quantum key, and the quantum key is transmitted between a trusted quantum key management center and a Beidou user side through Beidou terminal equipment, so that the problem of quantum key transmission is effectively solved; meanwhile, each time the Beidou user side sends an application session key to the trusted key management center, the quantum key management server updates the key to realize one-time encryption; and different root keys are filled in the quantum key storage modules of different Beidou user ends, so that the Beidou user ends encrypt application and transmission of the quantum session keys by using the corresponding root keys, and the security of quantum session key transmission is ensured.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a system block diagram of a Beidou short message encryption communication system based on a quantum key;
fig. 2 is a message transmission flow chart of the Beidou short message encryption communication system based on the quantum key;
in the figure: 1. the Beidou user side; 11. an information transmitting device; 12. an information receiving device; 2. a trusted quantum key management center; 21. the Beidou terminal equipment; 22. a quantum random number generator; 23. a quantum key management server; 3. and (5) a Beidou satellite.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1-2, the invention provides a Beidou short message encryption communication system based on a quantum key, which comprises a trusted quantum key management center 2 and a plurality of Beidou user terminals 1, wherein the Beidou user terminals 1 respectively carry out information transmission with the trusted quantum key management center 2 through a Beidou communication network;
the trusted quantum key management center 2 comprises a quantum random number generator 22, a quantum key management server 23 and a Beidou terminal device 21, wherein the Beidou terminal device 21 is connected with the quantum random number generator 22 and the quantum key management server 23; the quantum random number generator 22 generates a quantum true random number to generate a root key and a session key by utilizing intrinsic randomness of the quantum system, and stores the generated root key and session key into the quantum key management server 23, wherein the quantum key management server 23 is used for correspondingly storing, recording and discarding the root keys and the quantum session keys of the plurality of Beidou user terminals 1;
each beidou user terminal 1 comprises an information sending device 11 and an information receiving device 12, wherein the information sending device 11 and the information receiving device 12 are connected with a beidou terminal device 21 through a beidou communication network, the information sending device 11 is used for sending a root key request and a session key request to the beidou terminal device 21, and the information receiving device 12 is used for receiving the root key and the session key sent by the beidou terminal device 21.
Further, the Beidou communication network comprises a Beidou satellite 3 (specifically, a Beidou GEO satellite) and a ground control center, wherein the Beidou satellite 3 is connected with the ground control center;
the Beidou satellite 3 is used for carrying out information transmission with the Beidou terminal equipment 21, the information sending equipment 11 and the information receiving equipment 12 respectively;
the ground control center is used for analyzing the inbound information received by the Beidou satellite 3, generating outbound information after analysis, broadcasting the outbound information through the Beidou satellite 3 and sending the outbound information to the corresponding Beidou terminal equipment 21 and the information receiving equipment 12.
Further, a first Beidou communication module, a first positioning module, a first Beidou SIM card and a quantum key storage module are arranged in the information sending equipment 11 and the information receiving equipment 12 of each Beidou user side 1, and the first Beidou communication module is connected with the first positioning module, the first Beidou SIM card and the quantum key storage module;
the first Beidou communication module is used for establishing communication connection with the Beidou satellite 3 and transmitting information;
the first positioning module is used for recording the position information of the Beidou user side 1;
the first Beidou SIM card is used for recording the identity information of the Beidou user side 1 and carrying out communication authentication by taking the ID of the Beidou user side as an identity authentication code;
the quantum key storage module is used for storing the corresponding root key and session key, wherein the quantum key storage module is a FLASH storage medium or a ROM storage medium; and the root keys and the session keys in the quantum key storage modules of the plurality of Beidou user terminals 1 are different.
Further, a second Beidou SIM card, a second Beidou communication module and a second positioning module are arranged in the Beidou terminal equipment 21, and the second Beidou communication module is connected with the second Beidou SIM card and the second positioning module;
the second beidou SIM card is used for recording the identity information of the beidou terminal equipment 21 and carrying out communication authentication by taking the ID of the second beidou SIM card as an identity authentication code;
the second Beidou communication module is used for establishing communication connection with the first Beidou communication module and transmitting information;
the second positioning module is used for recording the position information of the Beidou terminal equipment 21.
As one of the inventionIn the specific implementation manner, two Beidou user terminals 1 are selected to carry out short message encryption communication, and the two Beidou user terminals 1 are named as a Beidou user terminal A and a Beidou user terminal B respectively; firstly, the Beidou user side A, B respectively performs offline registration with the trusted quantum key management center 2, and after successful registration, the Beidou terminal equipment 21 takes a quantum true random number generated by the quantum random number generator 22 by utilizing intrinsic randomness of a quantum system as a root key K A 、K B And the root key K A Filling the root key K into a quantum key storage module of the Beidou user side A B Filling the big Dipper user terminal B quantum key storage module with a root key K A Not equal to the root key K B The method comprises the steps of carrying out a first treatment on the surface of the When the root key of the Beidou client A, B is filled, one of the Beidou client 1 is used as an information sender, and the other Beidou client 1 is used as an information receiver;
in this embodiment, the Beidou client a is used as the information sender, the Beidou client B is used as the information receiver, the information sending device 11 of the Beidou client a establishes communication connection with the trusted quantum key management center 2, and then the information sending device 11 of the Beidou client a requests the session key to instruct the use of the root key K A After encryption, the encrypted request session key instruction is sent to the Beidou terminal equipment 21 according to a Beidou short message format, wherein the request session key instruction comprises the communication address of the information receiving equipment 12 of the Beidou user side B;
after the beidou terminal device 21 receives the instruction of requesting the session key, the beidou terminal device uses the root key K stored in the quantum key management server 23 A After decrypting the request session key instruction, obtaining a session key request, then the Beidou terminal equipment 21 generates a quantum true random number as a quantum session key K through the quantum random number generator 22 according to the session key request of the Beidou user end A, and then sends the quantum session key K to the information receiving equipment 12 of the Beidou user end A through a Beidou communication network; because the instruction for applying the session key of the beidou client a includes the communication address of the information receiving device 12 of the beidou client B, the beidou terminal device 21 waits after sending the quantum session key K to the beidou client a through the beidou communication networkAnd after the communication frequency time of the Beidou card of the information receiving equipment 12 is finished, the quantum session key K is sent to the Beidou user end B again through the Beidou communication network.
Specifically, the method for transmitting the quantum session key K through the Beidou communication network comprises the following steps: firstly, a trusted quantum key management center 2 stores root keys K of different Beidou user 1 through a quantum key management server 23 A 、K B Performing exclusive OR operation on the same quantum session key K according to the bits to finish encryption; root key K of instant Beidou user side A A Exclusive-or operation K on quantum session key K A K, using the root key K of the Beidou client B B Exclusive-or operation K on quantum session key K B A K; the session key encrypted by the exclusive-or operation is sent to the Beidou satellite 3 through the Beidou terminal equipment 21 of the trusted quantum key management center 2, and is forwarded to the ground control center through the Beidou satellite 3, so that the ground control center analyzes the session key to generate outbound information, and the Beidou satellite 3 broadcasts the outbound information and then sends the session key encrypted by the exclusive-or operation to the corresponding Beidou user side A, B respectively, so that the safe distribution of the quantum key is realized through a Beidou channel established by a Beidou communication network;
when the Beidou user side A receives the root key K A After encrypting the quantum session key K, the root key K is pre-filled A And K is equal to A Performing exclusive OR operation on the K, and decrypting to obtain a quantum session key K; similarly, when the Beidou user side B receives the root key K B After encrypting the quantum session key K, the root key K is pre-filled B And K is equal to B Performing exclusive OR operation on the K, and decrypting to obtain a quantum session key K; at this time, the beidou client A, B obtains the quantum key from the trusted quantum key management center 2 as the quantum session key K of the beidou short message encrypted communication.
In this embodiment, in order to reduce the communication delay of the system, the quantum session key K may be kept unchanged for a period of time; when the quantum session key K needs to be updated, the information sender of the Beidou user side A resends a request session key instruction to complete session key updating; if the beidou terminal device 21 does not receive a new request session key instruction, or does not complete the distribution of the new quantum session key K after receiving the new request session key instruction, the quantum session key K applied before is still used for secret communication in this period.
Further, after the Beidou user terminal A and the Beidou user terminal B both acquire the quantum session key K, the Beidou user terminal A and the Beidou user terminal B can use the quantum session key K to carry out Beidou short message encryption communication; firstly, the Beidou user terminal A encrypts a short message through a quantum session key K, and the encrypted content is a digital field instead of all fields; after the quantum encryption of the Beidou short message is completed, a short message ciphertext is obtained, then the information sending equipment 11 of the Beidou user side A packages the short message ciphertext according to the data encapsulation format of the Beidou short message, and sends the short message ciphertext serving as inbound information to the Beidou satellite 3, so that the Beidou satellite 3 forwards the short message ciphertext to a ground control center for analysis, and the destination address ID of the Beidou user side B is obtained after analysis _B Then, the main control station of the ground control center is used for encrypting the short message ciphertext and the destination address ID of the Beidou user side B _B And packaging, sending the packaged short message plaintext to the Beidou satellite 3 as combat information, enabling the Beidou satellite 3 to broadcast the Beidou user side 1 in the service range, then receiving the short message ciphertext through the information receiving equipment 12 of the Beidou user side B, decrypting through the quantum session key K after receiving, obtaining the short message plaintext sent by the Beidou user side A, sending a response packet to the Beidou user side A as feedback, and completing Beidou short message encryption and decryption communication based on the quantum key.
It should be noted that: the inbound information in the embodiment includes authentication information, and authentication of the Beidou user end A and the Beidou user end B is performed at a main control station of the ground control center according to a Beidou short message communication authentication mode; the inbound frame format contains an authentication field of "identity authentication code"; the identity authentication code is obtained through a Beidou SIM card inserted by the terminal, the Beidou SIM card calculates the ID of the Beidou SIM card as the identity authentication code, and when the master control station receives the inbound information, the master control station analyzes the inbound information and verifies the authenticity of the Beidou user terminal A. Meanwhile, when the transmitted short message information exceeds the byte limit of single Beidou short message communication, the load (namely the short message information) is split into a plurality of sub-loads to be transmitted, and in order to reduce the packet loss rate of the Beidou short message communication, a quick retransmission mechanism is adopted to enhance the reliability of the Beidou short message communication.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention.
Claims (6)
1. A big Dipper short message encryption communication system based on a quantum key is characterized in that: the system comprises a trusted quantum key management center (2) and a plurality of Beidou user terminals (1), wherein the Beidou user terminals (1) respectively perform information transmission with the trusted quantum key management center (2) through a Beidou communication network;
the trusted quantum key management center (2) comprises a quantum random number generator (22), a quantum key management server (23) and a Beidou terminal device (21), wherein the Beidou terminal device (21) is connected with the quantum random number generator (22) and the quantum key management server (23), the quantum random number generator (22) is used for generating a root key and a quantum session key, the generated root key and quantum session key are stored in the quantum key management server (23), and the quantum key management server (23) is used for correspondingly storing, recording and discarding the root keys and quantum session keys of a plurality of Beidou user terminals (1);
each Beidou user side (1) comprises an information sending device (11) and an information receiving device (12), wherein the information sending device (11) and the information receiving device (12) are connected with the Beidou terminal device (21) through a Beidou communication network, the information sending device (11) is used for sending a root key request and a quantum session key request to the Beidou terminal device (21), and the information receiving device (12) is used for receiving the root key and the quantum session key sent by the Beidou terminal device (21).
2. The quantum key-based Beidou short message encryption communication system of claim 1, wherein: the Beidou communication network comprises a Beidou satellite (3) and a ground control center, wherein the Beidou satellite (3) is connected with the ground control center;
the Beidou satellite (3) is used for carrying out information transmission with the Beidou terminal equipment (21), the information sending equipment (11) and the information receiving equipment (12) respectively;
the ground control center is used for analyzing the inbound information received by the Beidou satellite (3), generating outbound information after analysis, broadcasting the outbound information through the Beidou satellite (3), and sending the outbound information to the corresponding Beidou terminal equipment (21) and the information receiving equipment (12).
3. The quantum key-based Beidou short message encryption communication system as claimed in claim 2, wherein: a first Beidou communication module, a first positioning module, a first Beidou SIM card and a quantum key storage module are arranged in each of information sending equipment (11) and information receiving equipment (12) of the Beidou user end (1), and the first Beidou communication module is connected with the first positioning module, the first Beidou SIM card and the quantum key storage module;
the first Beidou communication module is used for establishing communication connection with the Beidou satellite (3) and transmitting information;
the first positioning module is used for recording the position information of the Beidou user side (1);
the first Beidou SIM card is used for recording the identity information of the Beidou user side (1) and carrying out communication authentication by taking the ID of the first Beidou SIM card as an identity authentication code;
the quantum key storage module is used for storing a corresponding root key and quantum session keys, and the root keys and the quantum session keys in the quantum key storage modules of the Beidou user side (1) are different.
4. The quantum key-based Beidou short message encryption communication system as claimed in claim 3, wherein: a second Beidou SIM card, a second Beidou communication module and a second positioning module are arranged in the Beidou terminal equipment (21), and the second Beidou communication module is connected with the second Beidou SIM card and the second positioning module;
the second Beidou SIM card is used for recording the identity information of the Beidou terminal equipment (21) and carrying out communication authentication by taking the ID of the second Beidou SIM card as an identity authentication code;
the second Beidou communication module is used for establishing communication connection with the first Beidou communication module and transmitting information;
the second positioning module is used for recording the position information of the Beidou terminal equipment (21).
5. The quantum key-based Beidou short message encryption communication system of claim 1, wherein: the quantum random number generator (22) generates a quantum true random number by utilizing intrinsic randomness of a quantum system, and sends the quantum true random number serving as the root key or the quantum session key to the information receiving device (12) through a Beidou communication network.
6. The quantum key-based Beidou short message encryption communication system as claimed in claim 3, wherein: the quantum key storage module is a FLASH storage medium or a ROM storage medium.
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| CN117579276A (en) * | 2024-01-16 | 2024-02-20 | 浙江国盾量子电力科技有限公司 | Quantum encryption method for feeder terminal and quantum board card module |
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