CN110049387A - A kind of wildcard-filter style multi-user photon communication network secrecy dedicated router - Google Patents
A kind of wildcard-filter style multi-user photon communication network secrecy dedicated router Download PDFInfo
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- CN110049387A CN110049387A CN201910337101.0A CN201910337101A CN110049387A CN 110049387 A CN110049387 A CN 110049387A CN 201910337101 A CN201910337101 A CN 201910337101A CN 110049387 A CN110049387 A CN 110049387A
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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
- H04L9/0816—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
- H04L9/0858—Details about key distillation or coding, e.g. reconciliation, error correction, privacy amplification, polarisation coding or phase coding
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
- H04Q11/0005—Switch and router aspects
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
- H04Q11/0005—Switch and router aspects
- H04Q2011/0007—Construction
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Theoretical Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Signal Processing (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Abstract
The invention discloses a kind of wildcard-filter style multi-user photon communication network secrecy dedicated routers, quantum network router includes multiple ports, optical mode block assembly, optical cross-connect and quantum router control unit, quantum communication network includes at least two communication units, quantum trusted servers and the server end being connected with the quantum trusted servers, communication unit includes that quantum key generates terminal device and client, quantum key generates terminal device and connect respectively with the quantum trusted servers and the client, quantum trusted servers are connected with quantum network router, client and the quantum trusted servers in communication unit are respectively equipped with wireless adapter.Using quantum network router of the invention as core, the backbone quantum secret communication network for needing full-time all-pass can be effectively constructed.
Description
Technical field
The present invention relates to quantum secret communication network technical fields, and in particular to a kind of wildcard-filter style multi-user photon communication
Network security dedicated router.
Background technique
Quantum communications are the forward position cross disciplines that communication theory and quantum mechanics combine generation, Bennett and
Brassard proposed the concept of quantum-key distribution in 1984, provided perfect solution for the encryption key distribution problem in cryptography
Certainly scheme, quantum-mechanical basic principle have protected the unconditional security of distribution key.So far, quantum communications development is very swift and violent,
The great attention for causing the academia, business circles and defense sector of countries in the world, has become a hot topic of research, and will be formed
Huge industry.The maximum feature of quantum communications is that its Unconditional security for having and high efficiency, specific working mode have:
(1) based on the quantum secret communication of quantum key distribution；(2) quantum dense coding；(3) quantum teleportation；(4) quantum safety
Direct communication etc..Although point-to-point quantum-key distribution distance goes out up to 200 kilometers from the angle of practical application at present
Hair, when carrying out encryption key distribution between multi-user, quantum key distribution technology will necessarily be quantum key point by point-to-point development
Distribution network, i.e. quantum communication network.
Currently, being widely used in the QKD(QuantumKeyDistribution in quantum communications, quantum key distribution)
Method is simultaneously imperfect, by the way that the injection of the photon with different seed frequencies laser cavity (lasingcavity) to be changed to laser frequency
The method of rate, and then the dynamic of the semiconductor laser of injection photon is observed, up to 60% information theft is finally obtained unexpectedly
Success rate.There are also the single channel performance of the quantum key distribution network of beam splitter as number of users increase sharply declines, and
Scalability is poor, and the quantum key distribution network based on photoswitch needs actively to switch, and the amount of beam splitter and photoswitch
Sub-key distribution network can not achieve all-pass between any two users.All-pass requires to lead between any two users
Letter, and backbone network generally requires any two terminal of network that can communicate always.In order to enhance quantum communication network confidentiality and
Scalability, the invention proposes a kind of wildcard-filter style multi-user photon communication network secrecy dedicated routers.
Summary of the invention
Aiming at the deficiencies in the prior art, the present invention provides a kind of wildcard-filter style multi-user photon communication network secrecy
Dedicated router.
In order to achieve the above object, technical solution of the present invention is as follows:
A kind of wildcard-filter style multi-user photon communication network secrecy dedicated router, comprising:
Multiple ports, for sending and receiving signal,
Optical mode block assembly is used for photoelectric conversion, and sending port converts electrical signals into optical signal, after being transmitted by signal, receives
Optical signal is converted into electric signal again by port,
Optical cross-connect, for realizing full-mesh between port,
Quantum router control unit, for realizing calling/connection control, route test, routing iinformation data management and link
Resource management,
The port includes the external tapping being connected with corresponding user and the internal interface being correspondingly connected with other ports, described external
Mouth refers to that mixed wavelengths interface, the external tapping of each port are connected with the external tapping of corresponding user；
The optical mode block assembly includes multiple groups optical element, and from less to more arranges optical element classification of the same race simultaneously by quantity
Connection, one end of every group of optical element is mixed wavelengths interface, the other end is Single wavelength interface；Each Single wavelength interface transmission is not
The light quantum state signal of co-wavelength, direct optics connection, and each unicast one to one between the Single wavelength interface of phase co-wavelength
Long interface only connects once；
The optical cross-connect includes photoswitch and its driving circuit, which is used to switch light quantity subchannel, driving electricity
The operation of road driven optical switch；
The quantum router control unit, comprising: calling/link control module, routing module control, routing iinformation data pipe
Module, Link Resource Manager module, network communication module and interface module are managed, calling/link control module verifies calling party
Legitimacy and validity, by connection Called Subscriber and query routing information database establishes calling party and Called Subscriber
Connection, the Routing Protocol that routing module control runs in ICP/IP protocol establish the routing of communicating pair, routing iinformation data pipe
Module maintaining routing information database is managed, Link Resource Manager module safeguards the link circuit resource of quantum communication network, network communication
Module carries out sending and receiving for various control information, and information transmitting is carried out between interface module and cross-connect.
Further, the quantum communication network include at least two communication units, quantum trusted servers and with institute
The connected server end of quantum trusted servers is stated, the communication unit includes that quantum key generates terminal device and client,
The quantum key generates terminal device and connect respectively with the quantum trusted servers and the client, and the quantum is credible
Server is connected with quantum network router.
Further, it includes one or more of quantum channels that the quantum key, which generates terminal, and the quantum channel is same
When transmit classical optical signal and quantum signal.
Further, the optical element is combination, the polarization beam apparatus of polarization beam apparatus and Wavelength division multiplexer/demultiplexer
One of combination or polarization beam apparatus, optical circulator, the combination of Wavelength division multiplexer/demultiplexer with optical circulator.
Further, the optics connection is using optical fiber, waveguide, free space connection.
The utility model has the advantages that wildcard-filter style multi-user photon communication network secrecy dedicated router of the invention passes through incorporating quantum
The characteristics of encryption key distribution, increases other freedom degrees of optical signal, enhances the confidentiality of quantum communication network, reduces it to light
The consumption of wavelength resource.Information exchange and guiding centre using router as quantum network, network structure and user's phase
To independence, quantum network is set to be analogous to classic network completely, system layout can consider respectively with operation, at standardization
Reason.Using optical cross-connect, the full connection of each quantum communications port is realized under the control of the control unit, and user does not need directly
The laser for preparing multiple and different wavelength is connect, to reduce the complexity of user equipment.
Detailed description of the invention
Fig. 1 is photon communication network secrecy dedicated router functional block diagram of the invention.
Fig. 2 is that photon communication network secrecy dedicated router control unit of the invention constitutes figure.
Specific embodiment
The following is a clear and complete description of the technical scheme in the embodiments of the invention, it is clear that described embodiment
Only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, the common skill in this field
Art personnel every other embodiment obtained without making creative work belongs to the model that the present invention protects
It encloses.
A kind of wildcard-filter style multi-user photon communication network secrecy dedicated router, quantum network router include:
Multiple ports for sending and receiving signal,
For photoelectric conversion, converts electrical signals into after optical signal is transmitted by signal and optical signal is converted into again the light of electric signal
Modular assembly,
For realizing the optical cross-connect of full-mesh between port,
With the quantum routing for realizing calling/connection control, route test, routing iinformation data management and Link Resource Manager
Device control unit；
Port includes the external tapping being connected with corresponding user and the internal interface being correspondingly connected with other ports, and the external tapping is
Refer to that mixed wavelengths interface, the external tapping of each port are connected with the external tapping of corresponding user；
Optical mode block assembly includes multiple groups optical element, and is from less to more classified optical element of the same race by quantity and arranges and connect
It connects, one end of every group of optical element is mixed wavelengths interface, the other end is Single wavelength interface；Each Single wavelength interface transmission is different
The light quantum state signal of wavelength, direct optics connection, and each Single wavelength one to one between the Single wavelength interface of phase co-wavelength
Interface only connects once；
Optical cross-connect includes photoswitch and its driving circuit, which is used to switch light quantity subchannel, and driving circuit drives
Dynamic photoswitch operation；
Quantum router control unit, comprising: calling/link control module, routing module control, routing iinformation data management mould
Block, Link Resource Manager module, network communication module and interface module, calling/link control module verifying calling party conjunction
Method and validity, by connection Called Subscriber and query routing information database establishes the company of calling party and Called Subscriber
It connects, the Routing Protocol in routing module control operation ICP/IP protocol establishes the routing of communicating pair, routing iinformation data management
Module maintaining routing information database, Link Resource Manager module safeguard the link circuit resource of quantum communication network, network communication mould
Block carries out sending and receiving for various control information, and information transmitting is carried out between interface module and cross-connect；
Quantum communication network include at least two communication units, quantum trusted servers and with the quantum trusted servers phase
Server end even, communication unit include that quantum key generates terminal device and client, and quantum key generates terminal device point
It is not connect with quantum trusted servers and the client, quantum trusted servers are connected with quantum network router.
Wherein, it includes one or more of quantum channels that quantum key, which generates terminal, the quantum channel simultaneous transmission warp
Allusion quotation optical signal and quantum signal.
Wherein, optical element is combination, polarization beam apparatus and the ring of light row of polarization beam apparatus and Wavelength division multiplexer/demultiplexer
The combination of device or one of polarization beam apparatus, optical circulator, the combination of Wavelength division multiplexer/demultiplexer.It is preferred that polarization beam apparatus
With the combination of Wavelength division multiplexer/demultiplexer.
Wherein, the optics connection is using optical fiber, waveguide, free space connection.Preferred fiber.
While there has been shown and described that technical solution of the present invention for the ordinary skill in the art can
It a variety of to the progress of these embodiments can be changed without departing from the principles and spirit of the present invention with understanding, modified, replaced
It changes and modification, the scope of the present invention is defined by the appended.
Claims (7)
1. a kind of wildcard-filter style multi-user photon communication network secrecy dedicated router, quantum network router includes for sending
With the multiple ports for receiving signal, for photoelectric conversion, converts electrical signals into after optical signal is transmitted by signal and light is believed again
It number is converted into the optical mode block assembly of electric signal, for realizing the optical cross-connect of full-mesh between port, it is characterised in that: also
Including for realizing calling/connection control, route test, routing iinformation data management and Link Resource Manager quantum router
Control unit, the quantum router control unit, comprising: calling/link control module, routing module control, routing iinformation
Data management module, Link Resource Manager module, network communication module and interface module, calling/link control module verifying are exhaled
The legitimacy and validity for being user, by connection Called Subscriber and query routing information database is established calling party and is exhaled
The connection of user, the Routing Protocol that routing module control runs in ICP/IP protocol establish the routing of communicating pair, routing iinformation
Data management module maintaining routing information database, Link Resource Manager module safeguard the link circuit resource of quantum communication network, net
Network communication module carries out sending and receiving for various control information, and information transmitting is carried out between interface module and cross-connect；
The quantum communication network include at least two communication units, quantum trusted servers and with the quantum trusted service
The connected server end of device, the communication unit include that quantum key generates terminal device and client, and the quantum key is raw
It is connect respectively with the quantum trusted servers and the client at terminal device, the quantum trusted servers and quantum net
Network router is connected.
2. a kind of wildcard-filter style multi-user photon communication network secrecy dedicated router as described in right 1, it is characterised in that: described
Port includes the external tapping being connected with corresponding user and the internal interface being correspondingly connected with other ports, and the external tapping refers to mixed
Wavelength interface is closed, the external tapping of each port is connected with the external tapping of corresponding user.
3. a kind of wildcard-filter style multi-user photon communication network secrecy dedicated router as described in right 1, it is characterised in that: described
Optical mode block assembly includes multiple groups optical element, and is from less to more classified optical element of the same race by quantity and arranges and connect, often
One end of group optical element is mixed wavelengths interface, the other end is Single wavelength interface；Each Single wavelength interface transmits different wave length
Light quantum state signal, direct optics connection, and each Single wavelength interface one to one between the Single wavelength interface of phase co-wavelength
It only connects primary.
4. a kind of wildcard-filter style multi-user photon communication network secrecy dedicated router as described in right 1, it is characterised in that: described
Optical cross-connect includes photoswitch and its driving circuit, which is used to switch light quantity subchannel, and driving circuit drives light
Switch operation.
5. a kind of wildcard-filter style multi-user photon communication network secrecy dedicated router as described in right 1, it is characterised in that described
It includes one or more of quantum channels that quantum key, which generates terminal, the quantum channel simultaneous transmission classics optical signal and quantum
Signal.
6. a kind of wildcard-filter style multi-user photon communication network secrecy dedicated router as described in right 1, it is characterised in that: described
Optical element is the combination of polarization beam apparatus and Wavelength division multiplexer/demultiplexer, the combination of polarization beam apparatus and optical circulator or inclined
Shake one of beam splitter, optical circulator, the combination of Wavelength division multiplexer/demultiplexer.
7. a kind of wildcard-filter style multi-user photon communication network secrecy dedicated router as described in right 1, it is characterised in that: described
Optics connection is using optical fiber, waveguide, free space connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910337101.0A CN110049387A (en) | 2019-04-25 | 2019-04-25 | A kind of wildcard-filter style multi-user photon communication network secrecy dedicated router |
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| CN201910337101.0A CN110049387A (en) | 2019-04-25 | 2019-04-25 | A kind of wildcard-filter style multi-user photon communication network secrecy dedicated router |
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| CN110049387A true CN110049387A (en) | 2019-07-23 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111049590A (en) * | 2019-12-31 | 2020-04-21 | 华南师范大学 | Intelligent quantum communication exchange system and method |
| CN111049591A (en) * | 2019-12-31 | 2020-04-21 | 华南师范大学 | Multi-user multi-degree-of-freedom quantum communication exchange system and method |
| CN111835433A (en) * | 2019-12-31 | 2020-10-27 | 广东国腾量子科技有限公司 | Quantum communication exchange system and method with power discrimination function |
-
2019
- 2019-04-25 CN CN201910337101.0A patent/CN110049387A/en not_active Withdrawn
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111049590A (en) * | 2019-12-31 | 2020-04-21 | 华南师范大学 | Intelligent quantum communication exchange system and method |
| CN111049591A (en) * | 2019-12-31 | 2020-04-21 | 华南师范大学 | Multi-user multi-degree-of-freedom quantum communication exchange system and method |
| CN111835433A (en) * | 2019-12-31 | 2020-10-27 | 广东国腾量子科技有限公司 | Quantum communication exchange system and method with power discrimination function |
| CN111049591B (en) * | 2019-12-31 | 2022-08-09 | 广东尤科泊得科技发展有限公司 | Multi-user multi-degree-of-freedom quantum communication exchange system and method |
| CN111049590B (en) * | 2019-12-31 | 2022-08-09 | 广东尤科泊得科技发展有限公司 | Intelligent quantum communication exchange system and method |
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Application publication date: 20190723 |
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