CN112737698A - Networking design and method of optical fiber quantum communication system - Google Patents
Networking design and method of optical fiber quantum communication system Download PDFInfo
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- CN112737698A CN112737698A CN202110023233.3A CN202110023233A CN112737698A CN 112737698 A CN112737698 A CN 112737698A CN 202110023233 A CN202110023233 A CN 202110023233A CN 112737698 A CN112737698 A CN 112737698A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/70—Photonic quantum communication
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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
- 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
- H04L9/0861—Generation of secret information including derivation or calculation of cryptographic keys or passwords
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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
- H04L9/0894—Escrow, recovery or storing of secret information, e.g. secret key escrow or cryptographic key storage
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Abstract
The invention discloses a networking design and a method of an optical fiber quantum communication system, which comprises a site 1, a site 2, an encryption key and a decryption key, wherein the site 1 and the site 2 are data centers, the site 1 is a data transmission center, the site 2 is a data receiving center, the encryption key is arranged at the lower end of the site 1, a quantum gateway A is arranged above the encryption key, a quantum channel is arranged at the right end of the quantum gateway A, a quantum gateway B is arranged at the right end of the quantum channel, a quantum security encryption router A is arranged at the lower end of the encryption key, a VPN tunnel is arranged at the right end of the quantum security encryption router A, a quantum security encryption router B is arranged at the right end of the VPN tunnel, an IP network is arranged at the right end of the encryption key, a decryption key is arranged at the right end of the IP network, the quantum gateway B and the quantum security encryption, the networking design and the networking method of the optical fiber quantum communication system are simple in structure, and have the characteristics of greatly improving the communication speed, obviously increasing the communication coverage range and simultaneously reducing the nonlinear effect in the information transmission process.
Description
Technical Field
The invention relates to the technical field of communication, in particular to a networking design and method of an optical fiber quantum communication system.
Background
Information security becomes an important consideration for the construction of communication networks of government, finance, army and other government and enterprise units, and quantum communication is expected to be applied to the construction of the communication networks of the government and enterprise units due to the technical characteristic that quantum communication is difficult to eavesdrop. At present, quantum secret communication based on quantum key distribution initially has commercial conditions, and with the gradual advance and landing of related technical standards, quantum secret communication networks are about to be gradually expanded and built. With the development of computer and communication technologies, the living standard and quality of life of people are rapidly improved. Meanwhile, the requirements of people on communication speed and communication capacity are higher and higher, and although communication enterprises, especially some monopolistic communication enterprises have quite strong research strength on optical fiber communication, the forward development of the technology is continuously promoted through research and development, and the communication speed is higher and higher. However, due to the geometric progression of the amount of knowledge and information, the current optical fiber communication system is not able to keep up with the demand for high-speed communication facilities. If research and development are carried out in the field of optical fiber communication, the development speed of the industry can not keep up with the demand of high-speed communication in the era. Only through a breakthrough in the field of communications is it possible to achieve geometric multiple increases in communication rates, thereby meeting or even exceeding the demand of people for high-rate communications facilities.
Disclosure of Invention
The technical problem to be solved by the invention is to overcome the defects of the prior art and provide a networking design and method of an optical fiber quantum communication system.
In order to achieve the purpose, the invention provides the following technical scheme: a networking design and method of an optical fiber quantum communication system comprise a site 1, a site 2, an encryption key and a decryption key, wherein the site 1 and the site 2 are data centers, the site 1 is a data transmission center, the site 2 is a data receiving center, the encryption key is arranged at the lower end of the site 1, a quantum gateway A is arranged above the encryption key, a quantum channel is arranged at the right end of the quantum gateway A, a quantum gateway B is arranged at the right end of the quantum channel, a quantum secure encryption router A is arranged at the lower end of the encryption key, a VPN tunnel is arranged at the right end of the quantum secure encryption router A, a quantum secure encryption router B is arranged at the right end of the VPN tunnel, an IP network is arranged at the right end of the encryption key, the decryption key is arranged at the right end of the IP network, and the quantum gateway B and the quantum secure encryption router B are both connected with the decryption key, the decryption key is connected with the site 2, quantum key management modules are arranged in the decryption key and the encryption key, and a quantum key generation module and a key storage module are arranged in the quantum key management modules.
As a preferred technical scheme of the invention, all the structures are connected through optical fibers, and signals in the optical fibers adopt single-photon light sources or quasi-single-photon light sources.
As a preferred technical solution of the present invention, the encryption key uses a random encryption equation, and the decryption key uses a decryption equation corresponding to the encryption key.
As a preferred technical solution of the present invention, the quantum channels are provided with a plurality of quantum channels, and networking modes of the quantum channels in different layers (including a trunk, and a local network) are respectively different.
As a preferred technical solution of the present invention, the quantum secure encryption router a and the quantum secure encryption router B are both provided with an interception function.
As a preferred technical solution of the present invention, the IP network is an inter network.
As a preferred technical solution of the present invention, the decryption key and the encryption key are both provided with key interfaces.
Compared with the prior art, the invention has the beneficial effects that: the networking design and method of the optical fiber quantum communication system has simple structure and convenient operation, and the quantum secret communication has natural advantages in technology compared with the traditional secret technology based on algorithm complexity, compared with the traditional data transmission mode, the quantum communication can effectively solve the problems of limited communication capacity, low communication speed, small communication coverage, low communication quality, higher communication cost and the like in the prior art, the traditional method can expand the communication capacity, improve the communication speed, expand the communication coverage, improve the communication quality, has high research and development cost, slow progress and the like, can realize the geometric grade increase of the communication capacity, greatly improve the communication speed, obviously increase the communication coverage, simultaneously reduce the nonlinear effect in the information transmission process, improve the communication quality, simultaneously greatly reduce marginal cost by applying the quantum communication system, once the practical application is obtained, compared with the existing optical fiber communication, the optical fiber quantum communication system has a more bright future in development of capacity expansion, speed acceleration and the like, and is expected to comb the technical principle, product characteristics and standard development conditions of the optical fiber quantum communication system, study the networking scheme of the optical fiber quantum secret communication network, analyze the key points and difficulties of engineering design, form a set of detailed basic data for designing the optical fiber quantum secret communication system and serve the construction of the subsequent quantum secret communication network.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a block diagram of a networking design and method of an optical fiber quantum communication system according to the present invention;
fig. 2 is a diagram illustrating an internal structure of an encryption key according to the present invention.
In the figure: 1. a quantum secure encryption router B; 2. a quantum secure encryption router A; 3. a VPN tunnel; 4. a station 2; 5. Decrypting the key; 6. an IP network; 7. encrypting the key; 8. station 1; 9. a quantum gateway A; 10. a quantum channel; 11. a quantum gateway B; 12. an optical fiber; 13. a quantum key management module; 14. a quantum key generation module; 15. a key storage module; 16. a key interface; 17. a quantum random number.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.
It will be understood by those skilled in the art that in the present disclosure, the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for ease of description and simplicity of description, and do not indicate or imply that the referenced devices or components must be constructed and operated in a particular orientation and thus are not to be considered limiting.
It is understood that the terms "a" and "an" should be interpreted as meaning that a number of one element or element is one in one embodiment, while a number of other elements is one in another embodiment, and the terms "a" and "an" should not be interpreted as limiting the number.
Referring to fig. 1-2, the present invention provides a technical solution: a networking design and method of an optical fiber quantum communication system comprise a site 18, a site 24, an encryption key 7 and a decryption key 5, wherein the site 18 and the site 24 are both data centers, the site 18 is a data transmission center, the site 24 is a data receiving center, the encryption key 7 is arranged at the lower end of the site 18, a quantum gateway A2 is arranged above the encryption key 7, a quantum channel 10 is arranged at the right end of a quantum gateway A2, a quantum gateway B11 is arranged at the right end of the quantum channel 10, a quantum secure encryption router A2 is arranged at the lower end of the encryption key 7, a VPN tunnel 3 is arranged at the right end of a quantum secure encryption router A2, a quantum secure encryption router B1 is arranged at the right end of the VPN tunnel 3, an IP network 6 is arranged at the right end of the encryption key 7, the decryption key 5 is arranged at the right end of the IP network 6, the quantum gateway B11 and the quantum secure encryption router B1 are, the decryption key 5 and the encryption key 7 are both provided with a quantum key management module 13, the quantum key management module 13 is provided with a quantum key generation module 14 and a key storage module 15, all the structures are connected through an optical fiber 12, a single photon light source or a similar single photon light source is adopted for signals in the optical fiber 12, a random encryption equation is adopted for the encryption key 7, a decryption equation corresponding to the encryption key 7 is adopted for the decryption key 5, a plurality of quantum channels 10 are arranged, networking modes of a trunk, a trunk and a local network are respectively different at different levels, the problem is based on the technical principle and the development trend of the optical fiber quantum secret communication system, the trunk and the local network layer are planned to consider the networking model proposed by the cooperation of the trunk, the trunk and the local network layer and the optical fiber quantum secret communication system and the classical carrier network, and the key and the difficulty of engineering design are analyzed, and the problem has pert, quantum secure encryption router A2 and quantum secure encryption router B1 all are provided with the interception function, quantum secret communication technique based on quantum key distribution possesses theoretical absolute safety, in case eavesdrop just discover and reissue the key, quantum key distribution technique is as the core technology of quantum secret communication, need study its theory of realization, thereby require to carry out comprehensive understanding to quantum secret communication system network deployment, IP network 6 is the inter network, decryption key 5 and encryption key 7 all are provided with key interface 16, wherein, quantum key management module 13 further includes: at least one quantum key generation module 14, wherein the quantum key generation module 14 generates a quantum key according to the quantum random number 17; at least one key storage module 15, wherein the key storage module 15 stores quantum keys; and at least one key interface 16, wherein after the communication terminal is accessed to the key interface 16, the quantum key generation module 14 obtains a quantum random number 17 from the quantum random number generation module, and the quantum key generation module 14 generates a pair of quantum keys according to the obtained quantum random number 17, wherein the quantum key generation module 14 sets one of the quantum keys to the communication terminal through the key interface 16, and the quantum key generation module 14 stores the other quantum key in the quantum key storage module 13.
The specific principle is as follows: when the system is used, a user data center of a site 18 transmits information data to an encryption key 7, the encryption key 7 generates a random quantum random number 17 through a quantum key generation module 14, meanwhile, a decryption key 5 at the other end of the transmission receives a key equation of the quantum random number 17 of the encryption key 7 to form a corresponding decrypted quantum random number 17, after the data transmitted by the site 18 is received, the data is decoded through the corresponding quantum key equation to obtain accurate data and is transmitted to a site 24, a quantum secure encryption router A2 and a quantum secure encryption router B1 are connected through a VPN tunnel 3, an alarm can be given out when the quantum secure encryption router A2 and the quantum secure encryption router B1 discover that data stealing occurs, data transmission is interrupted, the possibility of data loss is prevented in time, and damage is reduced, the problem is that based on the technical principle and development trend of the optical fiber quantum secure communication system, a trunk and a local network layer are planned to be considered comprehensively to provide a networking model facing the optical fiber quantum secure communication system and a classical carrier network in cooperation, and key points and difficulties of engineering design are analyzed, so that the method is pointed and pioneered.
The networking design and method of the optical fiber quantum communication system has simple structure and convenient operation, and the quantum secret communication has natural advantages in technology compared with the traditional secret technology based on algorithm complexity, compared with the traditional data transmission mode, the quantum communication can effectively solve the problems of limited communication capacity, low communication speed, small communication coverage, low communication quality, higher communication cost and the like in the prior art, the traditional method can expand the communication capacity, improve the communication speed, expand the communication coverage, improve the communication quality, has high research and development cost, slow progress and the like, can realize the geometric grade increase of the communication capacity, greatly improve the communication speed, obviously increase the communication coverage, simultaneously reduce the nonlinear effect in the information transmission process, improve the communication quality, simultaneously greatly reduce marginal cost by applying the quantum communication system, once the practical application is obtained, compared with the existing optical fiber communication, the optical fiber quantum communication system has a more bright future in development of capacity expansion, speed acceleration and the like, and is expected to comb the technical principle, product characteristics and standard development conditions of the optical fiber quantum communication system, study the networking scheme of the optical fiber quantum secret communication network, analyze the key points and difficulties of engineering design, form a set of detailed basic data for designing the optical fiber quantum secret communication system and serve the construction of the subsequent quantum secret communication network.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (7)
1. A networking design and method of an optical fiber quantum communication system comprise a site 1(8), a site 2(4), an encryption key (7) and a decryption key (5), and is characterized in that the site 1(8) and the site 2(4) are data centers, the site 1(8) is a data transmission center, the site 2(4) is a data reception center, the encryption key (7) is arranged at the lower end of the site 1(8), a quantum gateway A (2) is arranged above the encryption key (7), a quantum channel (10) is arranged at the right end of the quantum gateway A (2), a quantum gateway B (11) is arranged at the right end of the quantum channel (10), a quantum secure encryption router A (2) is arranged at the lower end of the encryption key (7), a VPN tunnel (3) is arranged at the right end of the quantum secure encryption router A (2), the VPN tunnel (3) right end is provided with quantum secure encryption router B (1), encryption key (7) right end is provided with IP network (6), IP network (6) right end is provided with decryption key (5), quantum gateway B (11) and quantum secure encryption router B (1) all with decryption key (5) are connected, decryption key (5) with website 2(4) are connected, all be provided with quantum key management module (13) in decryption key (5) and encryption key (7), be provided with quantum key generation module (14) and key storage module (15) in quantum key management module (13).
2. The networking design and method of the optical fiber quantum communication system according to claim 1, wherein all the structures are connected by an optical fiber (12), and the signal in the optical fiber (12) adopts a single photon light source or a similar single photon light source.
3. The networking design and method of the optical fiber quantum communication system according to claim 1, wherein the encryption key (7) adopts a random encryption equation, a random quantum random number (17) is generated through the encryption equation, and the decryption key (5) adopts a decryption equation number corresponding to the encryption key (7).
4. The networking design and method of the optical fiber quantum communication system according to claim 1, wherein the quantum channel (10) is provided with a plurality of channels, and the networking modes of the channels in different layers (including a trunk, a trunk and a local network) are respectively different.
5. The networking design and method of the optical fiber quantum communication system according to claim 1, wherein the quantum secure encryption router a (2) and the quantum secure encryption router B (1) are both provided with an interception function.
6. A networking design and method of a fiber optic quantum communication system according to claim 1, characterized in that the IP network (6) is an inter network.
7. Networking design and method of a fiber optic quantum communication system according to claim 1, characterized in that the decryption key (5) and the encryption key (7) are each provided with a key interface (16).
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114071264A (en) * | 2021-11-12 | 2022-02-18 | 国网上海市电力公司 | Communication method of network service on endogenous safety optical network and endogenous safety optical network |
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| US20180062836A1 (en) * | 2016-08-26 | 2018-03-01 | Kabushiki Kaisha Toshiba | Communication device, communication system, and communication method |
| CN108964898A (en) * | 2018-06-28 | 2018-12-07 | 安徽继远软件有限公司 | It is a kind of that electricity consumption cryptographic communication system and method are matched based on Quantum Secure Communication |
| CN111865590A (en) * | 2020-08-28 | 2020-10-30 | 国科量子通信网络有限公司 | Quantum secret communication technology-based work key distribution system in financial field and application method thereof |
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Patent Citations (4)
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| US20110317836A1 (en) * | 2010-06-29 | 2011-12-29 | Chunghwa Telecom Co., Ltd. | Quantum cryptography service network implementation structure |
| US20180062836A1 (en) * | 2016-08-26 | 2018-03-01 | Kabushiki Kaisha Toshiba | Communication device, communication system, and communication method |
| CN108964898A (en) * | 2018-06-28 | 2018-12-07 | 安徽继远软件有限公司 | It is a kind of that electricity consumption cryptographic communication system and method are matched based on Quantum Secure Communication |
| CN111865590A (en) * | 2020-08-28 | 2020-10-30 | 国科量子通信网络有限公司 | Quantum secret communication technology-based work key distribution system in financial field and application method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114071264A (en) * | 2021-11-12 | 2022-02-18 | 国网上海市电力公司 | Communication method of network service on endogenous safety optical network and endogenous safety optical network |
| CN114071264B (en) * | 2021-11-12 | 2024-01-23 | 国网上海市电力公司 | Communication method of network service on endogenous safe optical network and endogenous safe optical network |
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