CN206629070U - Satellite communication encryption system and quantum key distribution network - Google Patents
Satellite communication encryption system and quantum key distribution network Download PDFInfo
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- CN206629070U CN206629070U CN201720395797.9U CN201720395797U CN206629070U CN 206629070 U CN206629070 U CN 206629070U CN 201720395797 U CN201720395797 U CN 201720395797U CN 206629070 U CN206629070 U CN 206629070U
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Abstract
A kind of satellite communication encryption system and quantum key distribution network provided by the utility model, are related to the communications field.The system includes quantum key distribution network, satellite communication network and multiple mobile terminals, mobile terminal communicates to connect with satellite communication network, row data communication is entered by satellite communication network between mobile terminal, quantum key distribution network includes multiple quantum key servers for communicating connection, and the mobile terminal is connected with any one quantum key server.Mobile terminal is set to obtain quantum key group nearby.When carrying out communication data exchange between the mobile terminal, the mobile terminal of transmission data obtains the first quantum key from the quantum key group corresponding with the mobile terminal of reception data and communication data is encrypted, and the communication data after encryption is sent to the mobile terminal for receiving data by satellite communication network.By to the encryption before communication data transfer, making communication data safer.
Description
Technical field
The communications field is the utility model is related to, in particular to a kind of satellite communication encryption system and quantum key point
Hairnet network.
Background technology
Satellite communication is the communication mode that a kind of communication range is big, reliability is high.Sent out during satellite communication in satellite
It can all be communicated between any two location point in the range of the electric wave penetrated covers, and be not easy to be influenceed by Land disaster.
For now, satellite communication has irreplaceable position in the communications field.Importance between satellite communication is also to satellite
The safety of communication proposes higher requirement.
The AES standards for the symmetry cipher that current satellite communication is more generally used using traditional terrestrial links are carried out
Encryption.Also part is encrypted using the elliptic curve cryptography of asymmetric cryptography system.But such encryption just leads to satellite
The security of letter system is heavily dependent on the security of key.A kind of cipher key spreadings of the AES as symmetry cipher
Algorithm, it expands the key come and does not have truly random property, brings certain potential safety hazard.Rather than symmetry cipher, its
Public key and private key come from Factorization problems several greatly.With the development of supercomputer, particularly quantum computer, based on big
The possibility that the asymmetric cryptography system that number decomposes is cracked greatly increases.
Utility model content
The purpose of this utility model is to provide a kind of satellite communication encryption system, to improve above mentioned problem.
Another object of the present utility model is to provide a kind of quantum key distribution network, to improve above mentioned problem.
To achieve these goals, the technical scheme that the utility model embodiment uses is as follows：
The utility model embodiment provides a kind of satellite communication encryption system, and the system includes quantum key distribution net
Network, satellite communication network and multiple mobile terminals, the mobile terminal communicate to connect with the satellite communication network, the shifting
Communication data exchange is carried out by the satellite communication network between dynamic terminal, the quantum key distribution network includes multiple mutual
The quantum key server of connection is communicated, the mobile terminal is connected with any one quantum key server；It is described
Quantum key distribution network is when detecting that the mobile terminal accesses the quantum key distribution network, response management person user
Operation respectively by the corresponding quantum key server between each other exist secret communication demand it is described it is mobile eventually
Each distribution one group of quantum key group of identical is held, wherein, the quantum key group includes the quantum key with truly random characteristic；
The quantum key group being assigned to is stored in the mobile terminal by the mobile terminal；Enter when between the mobile terminal
When the row communication data exchanges, the mobile terminal pair with receiving data that the mobile terminal of data matches is sent
The quantum key group answered, and obtain the first quantum key from the quantum key group and the communication data is added
It is close, to obtain coded communication data；The mobile terminal for sending data is logical by the encryption by the satellite communication network
Letter data is sent to the mobile terminal for receiving data；Receive data the mobile terminal from send data the shifting
The second quantum key is obtained in the quantum key group corresponding to dynamic terminal the coded communication data are decrypted.
The utility model embodiment additionally provides a kind of quantum key distribution network, applied to satellite communication encryption system institute
Stating system includes quantum key distribution network, satellite communication network and multiple mobile terminals, and the mobile terminal is defended with described
Star communication is connected, and communication data exchange is carried out by the satellite communication network between the mobile terminal, described
Quantum key distribution network includes multiple quantum key servers for communicating connection, the mobile terminal and any institute
State the connection of quantum key server；The quantum key distribution network includes network management and control server, multiple quantum key services
Device, multiple cipher key distribution systems and multiple communication equipments, each described quantum key server institute corresponding with one respectively
State communication apparatus communication connection corresponding to cipher key distribution system and one, the network management and control server with described in each
Cipher key distribution system communicate to connect, the mobile terminal be connected with the communication apparatus communication or with the quantum key server
It is electrically connected with.
Compared with prior art, a kind of satellite communication encryption system and quantum key distribution net provided by the utility model
Network.The system includes quantum key distribution network, satellite communication network and multiple mobile terminals, and the mobile terminal is and institute
State satellite communication network to communicate to connect, communication data exchange carried out by the satellite communication network between the mobile terminal,
The quantum key distribution network includes multiple quantum key servers for communicating connection, the mobile terminal and any one
Quantum key server described in platform connects；The quantum key distribution network is detecting the mobile terminal access quantum
During key distribution network, the operation of response management person user is respectively mutual by the corresponding quantum key server
The mobile terminal that secret communication demand be present respectively distributes identical one group of quantum key group, wherein, the quantum key group
Including the quantum key with truly random characteristic；The quantum key group being assigned to is stored in the shifting by the mobile terminal
In dynamic terminal；When carrying out the communication data exchange between the mobile terminal, the mobile terminal matching of data is sent
The quantum key group corresponding with the mobile terminal of reception data gone out, and obtain first from the quantum key group
The communication data is encrypted quantum key, to obtain coded communication data；The mobile terminal for sending data passes through
The satellite communication network sends the coded communication data to the mobile terminal for receiving data；Receive the described of data
Mobile terminal obtains the second quantum key to institute from the quantum key group corresponding with the mobile terminal of transmission data
Coded communication data are stated to be decrypted.By to the encryption before communication data transfer, making communication data safer.
To enable above-mentioned purpose of the present utility model, feature and advantage to become apparent, preferred embodiment cited below particularly, and
Accompanying drawing appended by cooperation, is described in detail below.
Brief description of the drawings
, below will be to required use in embodiment in order to illustrate more clearly of the technical scheme of the utility model embodiment
Accompanying drawing be briefly described, it will be appreciated that the following drawings illustrate only some embodiments of the present utility model, therefore should not be by
Regard the restriction to scope as, for those of ordinary skill in the art, on the premise of not paying creative work, may be used also
To obtain other related accompanying drawings according to these accompanying drawings.
Fig. 1 shows that the utility model embodiment provides the structural representation of satellite communication encryption system.
Fig. 2 is the block diagram of the mobile terminal shown in Fig. 1.
Fig. 3 is the structural representation of the quantum key distribution network shown in Fig. 1.
Fig. 4 is the block diagram of quantum key server in Fig. 3.
Fig. 5 is the structural representation of Fig. 1 Satellite communication networks.
Icon：10- satellite communication encryption systems；100- mobile terminals；101- second memories；102- storage controls；
103- processors；104- Peripheral Interfaces；105- communication units；200- quantum key distribution networks；201- network management and control servers；
202- quantum key servers；2021- encryption key distribution processors；2022- quantum random number generators；2023- first memories；
203- cipher key distribution systems；204- communication equipments；300- satellite communication networks；301- telecommunication satellites；302- satellite networks control
Center；303- satellite networks coordinate station；304- earth stations.
Embodiment
Below in conjunction with accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out clear
Chu, it is fully described by, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole realities
Apply example.The component of the utility model embodiment being generally described and illustrated herein in the accompanying drawings can be come with a variety of configurations
Arrangement and design.Therefore, the detailed description of the embodiment of the present utility model to providing in the accompanying drawings is not intended to limit below
Claimed the scope of the utility model, but it is merely representative of selected embodiment of the present utility model.Based on the utility model
Embodiment, the every other embodiment that those skilled in the art are obtained on the premise of creative work is not made, all
Belong to the scope of the utility model protection.
It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent accompanying drawing in individual accompanying drawing.It is meanwhile new in this practicality
In the description of type, term " first ", " second " etc. are only used for distinguishing description, and it is not intended that indicating or implying relatively important
Property.
First embodiment
Fig. 1 is refer to, the satellite communication encryption system 10 that the utility model embodiment is provided includes quantum key distribution
Network 200, satellite communication network 300 and multiple mobile terminals 100.The mobile terminal 100 with the satellite communication network
300 communicate to connect, and pass through the satellite communication network 300 between the mobile terminal 100 and carry out communication data exchange.It is mobile whole
End 100 can access quantum key distribution network 200, to obtain quantum key group.One group of quantum key group is included with truly random
The quantum key of characteristic.
Fig. 2 shows the block diagram for the mobile terminal 100 that preferred embodiment provides.The mobile terminal 100 can be
But it is not limited to tablet personal computer, smart mobile phone, ship station, mobile earth station etc..The mobile terminal 100 includes second memory
101st, storage control 102, processor 103, Peripheral Interface 104 and communication unit 105.
The second memory 101, storage control 102, processor 103, Peripheral Interface 104, each yuan of communication unit 105
Part is directly or indirectly electrically connected between each other, to realize the transmission of data or interaction.For example, these elements between each other may be used
Realized and be electrically connected with by one or more communication bus or signal wire.
After the instruction of the reception processing device 103 of storage control 102 control second memory 101 carry out data storage, deletion,
Matching or output.
Processor 103 matches quantum key group for control storage controller 102 from the memory 101, and from amount
Quantum key is obtained in sub-key group to be decrypted to the encryption of communicated data or to communication data.Processor 103 is probably
A kind of IC chip, there is the disposal ability of signal.
Various input/output devices are coupled to processor 103 and second memory 101 by the Peripheral Interface 104.
In some embodiments, Peripheral Interface 104, processor 103 and storage control 102 can be realized in one single chip.At it
In his some examples, they can be realized by independent chip respectively.
Communication unit 105 is used for transceiving communication data.Alternatively, communication unit 105 can be dual-mode antenna.
In the present embodiment, it is at least one for satellite communication mobile terminal in mobile terminal 100 (figure is not marked).Satellite communication
Mobile terminal is the mobile terminal 100 that unique satellite communication identification number is obtained by login network access.The satellite communication moves
Dynamic terminal can be communicated to connect directly with the satellite communication network 300.When mobile terminal 100 accesses quantum key distribution network
When 200, the mobile terminal 100 is connected with quantum key distribution network 200.Specifically, processor 103 and quantum key distribution
Network 200 connects.Processor 103 obtains data from quantum key distribution network 200, and the data of acquisition are controlled by storing
Device 102 processed controls second memory 101 to carry out storage management.
As shown in figure 3, the quantum key distribution network 200 includes network management and control server 201, multiple quantum keys take
Business device 202, multiple cipher key distribution systems 203 and multiple communication equipments 204.The cipher key distribution system 203 and the quantum are close
Key server 202 corresponds.The communication equipment 204 corresponds with the quantum key server 202.Each quantum
The cipher key distribution system 203 corresponding with one of key server 202 communicates to connect.Each quantum key server 202 and one
Communication equipment 204 corresponding to individual is electrically connected with.So that a quantum key server 202, communication equipment 204 and key distribution are set
Standby 203 form a node.Connection is communicated between cipher key distribution system 203, so realize quantum key server 202 it
Between communication connection.The mobile terminal 100 can be electrically connected with access institute by direct with the quantum key server 202
State quantum key distribution network 200.Can also be by corresponding with communication equipment 204 with the communication connection access of communication equipment 204
Quantum key server 202, and then access quantum key distribution network 200.Alternatively, multiple mobile terminals 100 can pass through
The mode for accessing same quantum key server 202 accesses quantum key distribution network 200；Can also be by being respectively connected to not
With quantum key server 202 and access quantum key distribution network 200.So that very remote mobile terminal 100 of meeting
It can access in same quantum key distribution network 200.
Network management and control server 201 communicates to connect with each cipher key distribution system 203 respectively, and then leads to each node
Letter connection.Quantum key group is transmitted, produces and distributed between control node.The network management and control server 201 is additionally operable to examine
Survey the mobile terminal 100 and access quantum key distribution network 200.
As shown in figure 4, quantum key server 202 includes first memory 2023, encryption key distribution processor 2021 and amount
Sub- randomizer 2022.First memory 2023 respectively with quantum random number generator 2022, encryption key distribution processor
2021 are electrically connected with.Quantum random number generator 2022 is used to generate the quantum key with truly random characteristic.Quantum random number
Generator 2022 can be built in quantum key server 202, and it is access quantum key server when needing to use that can also make
202.First memory 2023 is used for the quantum key for storing the generation of quantum random number generator 2022.Encryption key distribution processor
2021 are used to obtain the quantum key with truly random characteristic from first memory 2023 and generate quantum key group and distribute.
And/or the encryption key distribution processor 2021 is used to receive the key point under the control of the network management and control server 201
The quantum key group that equipment 203 is sent is sent out, and is sent to the mobile terminal 100 of access.
When the network management and control server 201 detects the mobile terminal that secret communication demand between each other be present
During 100 access quantum key distribution network 200, the facility information of mobile terminal 100 is obtained, to examine the mobile terminal 100
Identity, when the mobile terminal 100 authentication by after, the response management person of network management and control server 201 uses
The operational control first node at family generates a quantum key group.First node can be in quantum key distribution network 200
Any one node.Specifically, can be quantum key server 202 in first node encryption key distribution processor 2021 from
Multiple quantum keys are obtained in its first memory 2023 and generate quantum key group；Can also be that cipher key distribution system 203 is given birth to
Into one group of quantum key group.
In the present embodiment, when one of mobile terminal 100 in the mobile terminal 100 for exist secret communication demand
When accessing quantum key distribution network 200, judge whether mobile terminal 100 meets predetermined encryption communication standard.It is default meeting
Coded communication standard and receive user operation when, by first node generate quantum key group pass through quantum key distribution network
200 distribute to mobile terminal 100.And access quantum key distribution net in other mobile terminals 100 that communication requirement with it be present
During network 200, same group of quantum key group is sent other mobile terminals 100 by first node.When first node is included with movement eventually
During the quantum key server 202 of the connection of end 100, mobile terminal 100 is directly sent to by quantum key server 202；When
When first node does not include the quantum key server 202 being connected with mobile terminal 100, quantum key group is sent to the shifting
The cipher key distribution system 203 for the node that dynamic terminal 100 is accessed, and by with 203 corresponding quantum key of cipher key distribution system
Server 202 is sent to mobile terminal 100.
Communication requirement can be the communication requirement between two mobile terminals 100；Can also be multiple mobile terminals 100 it
Between communication requirement.It should be noted that the communication requirement between multiple mobile terminals 100 is among multiple mobile terminals 100
When any mobile terminal 100 is sends the mobile terminal 100 of data, other all mobile terminals 100 are reception data
Mobile terminal 100.Network management and control server 201 can judge whether deposited between mobile terminal 100 according to default correspondence
Communication requirement or sent to network management and control server 201 according to the one of mobile terminal 100 received with
The instruction that other mobile terminals 100 have communication requirement judges to whether there is communication requirement between mobile terminal 100.Predetermined encryption
Communication standard is that at least one security classification reaches predetermined level in the mobile terminal 100 for exist communication requirement.Need what is illustrated
It is, when a mobile terminal 100 has communication requirement with multiple mobile terminals 100 respectively, respectively according to each communication need
Ask and distribute a different set of quantum key group to mobile terminal 100.For example, mobile terminal A is whole with mobile terminal B and movement respectively
When communication requirement be present between the C of end, while communication requirement being not present between mobile terminal B and mobile terminal C, quantum key distribution
Network 200 distributes a quantum key group according to mobile terminal A and mobile terminal B communication requirement to mobile terminal A, and in movement
Terminal B moves quantum key component dispensing identical with this group of quantum key group when accessing quantum key distribution network 200
Dynamic terminal B.Quantum key distribution network 200 distributes according to mobile terminal A and mobile terminal C communication requirement to mobile terminal A
Another quantum key group, and will be with this group of complete phase of quantum key group when mobile terminal C accesses quantum key distribution network 200
Same quantum key component dispensing mobile terminal C.
Specifically, when mobile terminal 100 accesses quantum key server 202, processor 103 is received at encryption key distribution
The quantum key group received is stored in by the second storage by storage control 102 after the quantum key group that reason device 2021 is sent
Device 101.Second memory 101 can store multigroup quantum key group under the control of storage control 102.
Fig. 5 is refer to, the satellite communication network 300 includes telecommunication satellite 301, satellite network control centre 302, satellite
Network coordinating station 303 and earth station 304.Telecommunication satellite 301 is coordinated to stand with satellite network control centre 302, satellite network respectively
303rd, earth station 304 and the connection of satellite communication communication of mobile terminal.Entered between satellite communication mobile terminal by telecommunication satellite 301
Row communication data exchanges.
Satellite network control centre 302 is used to detect, coordinate and control the operation of telecommunication satellite 301 to run.
Satellite network coordinates the transmission that station 303 is used to regulate and control communication data according to the type of communication data, such as distributes language
Sound, data and high speed data channels frequency etc..Mobile terminal 100 also includes non-satellite communication mobile terminal (figure is not marked), such as
Mobile phone, local call etc..
The non-satellite communication mobile terminal is led to by the earth station 304 and the telecommunication satellite 301 with the satellite
Believe communication of mobile terminal connection；Or satellite communication mobile terminal passes through telecommunication satellite 301 and earth station 304 and the non-satellite shifting that communicates
Dynamic terminal communication connection.Specifically, satellite communication mobile terminal sends communication request by the ground station 304 of telecommunication satellite 301.
After earth station 304 and satellite network coordination station 303 allow its communication request, satellite communication mobile terminal and non-satellite communication move
Communication link is established between dynamic terminal.Or conversely, non-satellite communication mobile terminal sends communication request, satellite communication movement
Terminal is receiving terminal.After communication request is licensed, established between non-satellite communication mobile terminal and satellite communication mobile terminal
Communication link.
When carrying out communication data exchange between the mobile terminal 100, the mobile terminal 100 from its of data is sent
The matching quantum key group corresponding with the mobile terminal 100 for receiving data in second memory 101.Wherein, send
The mobile terminal 100 of data is at least one in the mobile terminal 100 with receiving data to be moved for the satellite communication
Terminal.The mobile terminals 100 of data is sent from the corresponding quantum key of the mobile terminal 100 with receiving data
The first quantum key is obtained in group, the mobile terminal 100 for sending data is described logical according to first quantum key encryption
Letter data is to obtain coded communication data.Specifically, the mobile terminal 100 for sending data generates the communication number of a byte length
According to the communication data is encrypted the quantum key that a byte is then obtained from quantum key group, to be used in institute
State the first quantum key used in encryption of communicated data and the communication data equal length.Whole ciphering process is set to connect in real time
It is continuous.After the completion of encryption, the storage control 102 deletes the first quantum key from second memory 101.Send the institute of data
Mobile terminal 100 is stated to send the coded communication data to the shifting for receiving data by the satellite communication network 300
Dynamic terminal 100.The mobile terminal 100 for receiving data matches and sent the mobile end of data from its second memory 101
Quantum key group corresponding to end 100, and obtain second quantum key from the corresponding quantum key group.Using correspondingly
Second quantum key coded communication data are decrypted.Specifically, receive the mobile terminal 100 of data
The coded communication data for receiving a byte then obtain the quantum key of a byte and are decrypted, and improve decryption efficiency.
Used second quantum key is equal with coded communication data length in the process.And it will be used after the completion of decryption
Second quantum key is deleted from its second memory 101.It should be noted that the first quantum key is with the second quantum key
Identical quantum key.
Exemplified by realizing secret communication between the satellite communication mobile terminal of more of field, satellite communication mobile terminal exists respectively
Different place and quantum key server 202 in same quantum key distribution network 200 connects；Communication requirement be present
More satellite communication mobile terminal A, satellite communication mobile terminal B nodes different from quantum key distribution network 200 respectively
Quantum key server M and quantum key server N is electrically connected with.Then network management and control server 201 sends instruction, controlled quentity controlled variable
Any one node can produce quantum key group in quantum key distribution network 200, by the transmission of network management and control server 201,
Finally by quantum key server M and quantum key server N by quantum key component dispensing satellite communication mobile terminal A, defend
Star communication mobile terminal B.Satellite communication mobile terminal A, satellite communication mobile terminal B are respectively from quantum key server M and amount
(local supply) quantum key group is downloaded on sub-key server N, quantum key group is stored.Such as satellite communication mobile terminal A
Need to carry out secret communication with satellite communication mobile terminal B, satellite communication mobile terminal A ground station 304 sends communication request.
After station 303 is coordinated by its communication request by earth station 304 and satellite network, satellite communication mobile terminal A and satellite communication
Communication link is established between mobile terminal B.Or conversely, communication request, satellite communication are sent by satellite communication mobile terminal B
Mobile terminal A is receiving terminal.After communication request is licensed, between satellite communication mobile terminal A and satellite communication mobile terminal B
Just establish communication link.Send data mobile terminal A utilize from quantum corresponding with satellite communication mobile terminal B it is close
Selected in key group with the first quantum key of communication data length identical to communication data (such as communicating data, or communication
Encrypt on the application layer in plain text), in ciphering process.Moreover, key was discarded immediately after using once, ensure in ciphering process
In " one-time pad ", key is not repeated use.Content of Communication after encryption is sent to reception number by satellite communication network 300
According to mobile terminal B.Mobile terminal B again unties it with identical key, recovers original Content of Communication.
The system can also be applied to encrypt satellite communication between naval vessel, naval vessel and harbour.Principle is identical with upper example, herein
Repeat no more.
In summary, a kind of satellite communication encryption system and quantum key distribution network provided by the utility model.It is described
System includes quantum key distribution network, satellite communication network and multiple mobile terminals, the mobile terminal with the satellite
Communication is connected, and communication data exchange, the amount are carried out by the satellite communication network between the mobile terminal
Quantum key distribution network includes multiple quantum key servers for communicating connection, the mobile terminal with described in any one
Quantum key server connects；The quantum key distribution network is detecting the mobile terminal access quantum key point
During hairnet network, the operation of response management person user is protected by the corresponding quantum key server to exist between each other respectively
The mobile terminal of close communication requirement respectively distributes identical one group of quantum key group, wherein, the quantum key group includes tool
There is the quantum key of truly random characteristic；The quantum key group being assigned to is stored in the mobile terminal by the mobile terminal
It is interior, really realize the truly random property of key.When carrying out the communication data exchange between the mobile terminal, data are sent
The corresponding quantum key group of the mobile terminal with receiving data that the mobile terminal matches, and from the quantum
Obtain the first quantum key in key group the communication data is encrypted, to obtain coded communication data；Send data
The mobile terminal is sent the coded communication data by the satellite communication network whole to the movement for receiving data
End；The mobile terminal for receiving data obtains from the quantum key group corresponding with the mobile terminal of transmission data
The coded communication data are decrypted second quantum key.By to the encryption before communication data transfer, making communication data
It is safer.
It is described above, only specific embodiment of the present utility model, but the scope of protection of the utility model is not limited to
In this, any one skilled in the art can readily occur in change in the technical scope that the utility model discloses
Or replace, it should all cover within the scope of protection of the utility model.Therefore, the scope of protection of the utility model should be described with power
The protection domain that profit requires is defined.
Claims (10)
1. a kind of satellite communication encryption system, it is characterised in that the system includes quantum key distribution network, satellite communication network
Network and multiple mobile terminals, the mobile terminal communicate to connect with the satellite communication network, lead between the mobile terminal
Cross the satellite communication network and carry out communication data exchange, the quantum key distribution network includes multiple communicating connection
Quantum key server, the mobile terminal are connected with any one quantum key server；
The quantum key distribution network is when detecting that the mobile terminal accesses the quantum key distribution network, response pipe
Respectively by the corresponding quantum key server the institute of secret communication demand to be between each other present in the operation of reason person user
Stating mobile terminal respectively distributes identical one group of quantum key group, wherein, the quantum key group is included with truly random characteristic
Quantum key；
The quantum key group being assigned to is stored in the mobile terminal by the mobile terminal；
When carrying out the communication data between the mobile terminal and exchanging, send that the mobile terminals of data matches with
The quantum key group corresponding to the mobile terminal of data is received, and it is close from the quantum key group to obtain the first quantum
The communication data is encrypted key, to obtain coded communication data；
The mobile terminal for sending data is sent the coded communication data to reception number by the satellite communication network
According to the mobile terminal；
The mobile terminal for receiving data obtains from the quantum key group corresponding with the mobile terminal of transmission data
Take the second quantum key that the coded communication data are decrypted.
2. satellite communication encryption system as claimed in claim 1, it is characterised in that the quantum key distribution network also includes
Multiple cipher key distribution systems, the cipher key distribution system are corresponded with the quantum key server, and the key distribution is set
Communicated to connect between standby, each described cipher key distribution system and the corresponding one quantum key server communication, the amount
Sub-key server is communicated to connect by the cipher key distribution system, and the cipher key distribution system is serviced by the quantum key
Device sends the quantum key group to the mobile terminal of access.
3. satellite communication encryption system as claimed in claim 2, it is characterised in that the quantum key distribution network also includes
Network management and control server, the network management and control server is respectively with each by the quantum key server and the key point
Send out the node communication connection of equipment composition；
When the network management and control server detects that the mobile terminal that secret communication demand be present between each other is respectively connected to
During the different quantum key server, the network management and control server controls first node generates a quantum key
Group, and the corresponding mobile terminal is sent to by the quantum key distribution network.
4. satellite communication encryption system as claimed in claim 3, it is characterised in that the quantum key server includes first
Memory and encryption key distribution processor, the first memory are electrically connected with the encryption key distribution processor, the key point
It is electrically connected with respectively with the cipher key distribution system and the mobile terminal with processor, the encryption key distribution processor is by described in
The quantum key of node generation is stored in the first memory；
The encryption key distribution processor under the control of the network management and control server from the first memory take out by with
The quantum key group and the mobile terminal of transmission extremely access that the quantum key of truly random characteristic is formed；And/or
The encryption key distribution processor receives what the cipher key distribution system was sent under the control of the network management and control server
The quantum key group, and send to the mobile terminal of access.
5. satellite communication encryption system as claimed in claim 4, it is characterised in that the quantum key distribution network also includes
Multiple communication equipments, the communication equipment correspond with the quantum key server, the communication equipment and the key
Distribute processor to be electrically connected with, the communication equipment is connected with the communication of mobile terminal, so that the mobile terminal accesses institute
State quantum key server.
6. satellite communication encryption system as claimed in claim 5, it is characterised in that
The mobile terminal includes second memory, and the second memory is connected with the communication apparatus communication, described in reception
The quantum key group that encryption key distribution processor is sent.
7. satellite communication encryption system as claimed in claim 4, it is characterised in that the encryption key distribution processor and the shifting
Dynamic terminal is electrically connected with, so that the mobile terminal accesses the quantum key server.
8. satellite communication encryption system as claimed in claim 7, it is characterised in that
The mobile terminal includes second memory, and the second memory is electrically connected with the encryption key distribution processor, connect
Receive the quantum key group that the encryption key distribution processor is sent.
9. satellite communication encryption system as claimed in claim 1, it is characterised in that the satellite communication network is defended including communication
Star and earth station, at least one in the multiple mobile terminal is satellite communication mobile terminal, and the telecommunication satellite is defended with described
Star communication mobile terminal communicates to connect, and the earth station communicates to connect with the telecommunication satellite, the satellite communication mobile terminal
Established and communicated to connect with other mobile terminals in the mobile terminal by the telecommunication satellite and the earth station, to realize
Communication data between the mobile terminal exchanges.
10. a kind of quantum key distribution network, it is characterised in that encrypt system applied to satellite communication as claimed in claim 1
System, the quantum key distribution network include network management and control server, multiple quantum key servers, multiple cipher key distribution systems
And multiple communication equipments, each described quantum key server cipher key distribution system corresponding with one and one respectively
The corresponding communication apparatus communication connection, the network management and control server and each described cipher key distribution system communication link
Connect, the mobile terminal is connected with the communication apparatus communication or is electrically connected with the quantum key server.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106953729A (en) * | 2017-04-14 | 2017-07-14 | 江苏亨通问天量子信息研究院有限公司 | Satellite communication encryption system and method based on quantum key |
| CN111461954A (en) * | 2020-03-31 | 2020-07-28 | 四川九强通信科技有限公司 | Image safe distribution system and method based on spatial information network |
| CN113572610A (en) * | 2021-08-20 | 2021-10-29 | 济南量子技术研究院 | Quantum communication network based on satellite relay and networking method |
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2017
- 2017-04-14 CN CN201720395797.9U patent/CN206629070U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106953729A (en) * | 2017-04-14 | 2017-07-14 | 江苏亨通问天量子信息研究院有限公司 | Satellite communication encryption system and method based on quantum key |
| CN111461954A (en) * | 2020-03-31 | 2020-07-28 | 四川九强通信科技有限公司 | Image safe distribution system and method based on spatial information network |
| CN113572610A (en) * | 2021-08-20 | 2021-10-29 | 济南量子技术研究院 | Quantum communication network based on satellite relay and networking method |
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