Background technology
In daily teaching, existing quantum communications encryption system is a set of, and wherein containing quantum key generates terminal equipment two covers, one of quantum trusted servers, quantum secrete telephone and client is some and the network switch is some, is mainly used in the use of teaching and scientific research.The debugging that teaching is mainly to teach student's quantum information technology, Quantum repeater transmission technology, quantum training platform and optimization etc., and be equipped with relevant experimental real-training guidance; Scientific research is mainly used in the research and development of quantum related application technology.
It is that real training is carried out in grouping that student learns in classroom, and because quantum communications encryption system is expensive, so school is general, and only can buy a set of equipment carries out practice-training teaching, and this will inevitably cause the processes such as movement, restructuring of equipment during real training.
Fig. 1 is existing quantum information encryption system theory diagram, and the transmission channel of quantum key is that the quantum channel in use figure transmits, and the length of each quantum channel is 1KM.Enciphered message is by classical channel transfer, and the length of the classical channel of each root is generally tens meters.In quantum communications encryption system the fundamental length of quantum channel require for 1KM or more than, therefore the movement for experimental facilities does not form impact substantially.But for classical passage, do not have also to accomplish 1KM or above length, the movement, restructuring etc. that so just must bring the equipment of practice-training teaching are the problem of trouble quite.And according to existing theory diagram, not only requiring each real training classroom will have a large amount of classical access ports, all real trainings classroom also must share a large amount of classical access port that a network switch is supported all real trainings classroom.In the real training classroom of having built up, carry out such transformation, quantities is huge, and basic difficult reality, so current way can only be to arrange that interim before the class the netting twine of a large amount of classical passages completes practice-training teaching.Due to such teaching environment network security poor reliability, be easy to cause unnecessary practice-training teaching failure and other corresponding safety problems.
Summary of the invention
In order to solve in prior art the problem of loaded down with trivial details, the mobile flexibility deficiency of real training environmental structure on practice teaching platform, the utility model provides a kind of quantum communications encryption system based on wireless router.
The utility model provides a kind of quantum communications encryption system based on wireless router, comprise at least two communication units, quantum trusted servers and the server end being connected with described quantum trusted servers, described communication unit comprises that quantum key generates terminal equipment, client and quantum secrete telephone, described quantum key generates terminal equipment and is connected with described client with described quantum trusted servers respectively, described quantum secrete telephone with described in state client and be connected, it is characterized in that, described quantum communications encryption system also comprises the first wireless router, described the first wireless router is connected with described quantum trusted servers, client in described communication unit and described quantum trusted servers are respectively equipped with wireless adapter.
As further improvement of the utility model, described quantum key generates terminal equipment and comprises that 2 quantum keys generate terminal and a quantum channel, and described quantum channel is linked up described 2 quantum keys and generated terminal.
As further improvement of the utility model, described client is set up the second wireless router.
As further improvement of the utility model, the quantity of described client with described in to set up the second wireless router quantity identical.Can guarantee like this two-forty and the reliability of each client and the wireless connections of quantum trusted servers.
As further improvement of the utility model, described set up the second wireless router respectively with described the first wireless router relaying bridge joint.Signal strength signal intensity and the coverage of wireless channel in real training environment have been strengthened.
The beneficial effects of the utility model are: it is loaded down with trivial details that the utility model has solved in practice teaching real training environmental structure, the actual demand problem of mobility, improved network reliability, strengthened signal strength signal intensity and the coverage of wireless channel in real training environment, the performance advantage aspect security reliability, survivability of the system after improvement is obvious.
Embodiment
As shown in Figure 2, the utility model discloses a kind of quantum communications encryption system based on wireless router, comprise at least two communication units, quantum trusted servers and the server end being connected with described quantum trusted servers, described communication unit comprises that quantum key generates terminal equipment, client and quantum secrete telephone, described quantum key generates terminal equipment and is connected with described client with described quantum trusted servers respectively, described quantum secrete telephone with described in state client and be connected, it is characterized in that, described quantum communications encryption system also comprises the first wireless router, described the first wireless router is connected with described quantum trusted servers, client in described communication unit and described quantum trusted servers are respectively equipped with wireless adapter.
In the utility model, communication unit comprises the first communication unit, second communication unit, client in communication unit is the user of quantum channel terminal, if need to transmit the information of unconditional security between two communication units, need to realize by the utility model quantum communications encryption system.Its method is: the client in the first communication unit (being called for short the first client) first generates by our quantum key the quantum key that terminal generates unconditional security, sends to respectively the quantum trusted servers (being also credible Quantum repeater server) under own and server end control; By this key, the quantum key by the client-side in second communication unit generates the quantum key that terminal equipment generates and is encrypted the client (being called for short the second client) sending in second communication unit quantum trusted servers, the quantum key that the second client utilizes the quantum key of the second client-side to generate terminal generation is decrypted, the quantum key of reduction the first client-side.Such the first client and the second client have been grasped the quantum key with a unconditional security simultaneously, and can utilize this key to carry out encryption and decryption operation to the information of needs transmission, complete the safe information transmission process between two users.
Quantum communications encryption system after improvement, except the transmission channel of quantum key, the transmission of enciphered message changes into uses wireless router to complete, and uses wireless channel transmission information, not affected by the length of classical channel and wiring scope.
In actual use, the client that also can be chosen in arbitrary communication unit client or each communication unit of setting up of wireless router is respectively set up a wireless router, complete the voice between arbitrarily point-to-point between two or more communication unit clients, the transmission of the various information such as word, and quantum key still transmits by the quantum channel between quantum trusted servers, but can not guarantee that like this network platform of building between communication unit client is believable, be likely to pretend to be or the information of third party intercepting is pretended to be real client.Therefore for anti-kind situation here occurs, preferably wireless router is connected with quantum trusted servers, can guarantees that so the whole network platform is believable, safety.Therefore, the utility model is just preferably set up the first wireless router, so just by quantum trusted servers, builds a credible platform, can guarantee the safety of communicating by letter between client.
Like this, both can realize two information transmission between communication unit, also can meet the communication security between a plurality of communication units.The client (abbreviation the second client) of take below in client in the first communication unit (being called for short the first client) and second communication unit is example, describes principle of the present utility model in detail.
In the system of every day use, described quantum key generates terminal equipment and comprises that 2 quantum keys generate terminal and a quantum channel, described quantum channel is linked up described 2 quantum keys and is generated terminal, thereby forms the quantum key transmission channel between the first client and the second client together with quantum trusted servers.
Because wireless router adopts concurrent double frequency technology, anti-interference, but wireless router is subject to the impact of distance, two-forty and reliability in order to ensure wireless connections, can in the client of communication unit, set up the second wireless router, set up the quantity of the second wireless router identical with the quantity of communication unit client, can guarantee like this two-forty and the reliability of each client and the wireless connections of quantum trusted servers.
In the utility model, or take the first client and the second client is example, in the first client and the second client, respectively set up 1 NETGEAR N600 double-frequency wireless gigabit broadband router WNDR3700v3, cancel the shared switch of prior art theory diagram (see figure 1).In the first client, the second client and quantum trusted servers, respectively set up a NETGEAR WIRELESS-N150 USB wireless adapter WNA1100, the key that only need press on NETGEAR WIRELESS-N150 USB wireless adapter WNA1100 is encrypted button, can simply set up fast wireless security and connect.
In order to have strengthened signal strength signal intensity and the coverage of wireless channel in real training environment, improve security reliability of the present utility model and survivability, the first wireless router that the second wireless router that client is set up is connected with quantum trusted servers can adopt WDS relaying bridge joint.Concrete operation method is:
1. arrange: in " senior setting "-" wireless repeater " option, select " enabling 2.4Ghz relaying "; The first wireless router of quantum trusted servers side is selected " center base station pattern " as active router, inserts the MAC Address of the wireless router of the first client and the second client-side in " repeater MAC "; The wireless router of the first client and the second client-side is selected " wireless relay pattern " as secondary router, in " benchmark job station MAC ", insert the MAC Address of quantum trusted servers side the first wireless router, and repeater IP address is set is respectively " 192.168.1.2 ", " 192.168.1.3 ";
2. bridge joint relaying: at the wireless router of the first client and the second client-side after setting completed, in its " state "-" wireless " arranges, click " base station prospecting ", find the wireless network of the first wireless router of quantum trusted servers side.At " adding base station " option, click " adding ", wait-for-response is clicked " continuation ", will automatically jump to " wireless "-" basic setup " page, selects " relaying bridge joint " in " wireless mode ", after preserving, restarts whole wireless routers.Restart completely, wireless routing bridge configuration completes.
After using bridging technology to improve, at reliability, availability and survivability etc., be all greatly better than conventional wireless routing function aspect a lot, solved in special geographical environment requirement situation, also can use quantum information encryption platform to carry out the unconditional security transmission problem of data message.
Above content is in conjunction with concrete preferred implementation further detailed description of the utility model, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, without departing from the inventive concept of the premise, can also make some simple deduction or replace, all should be considered as belonging to protection range of the present utility model.