CN207135116U - A kind of wireless throwing screen reception device and system based on true random number key - Google Patents
A kind of wireless throwing screen reception device and system based on true random number key Download PDFInfo
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- CN207135116U CN207135116U CN201720817543.1U CN201720817543U CN207135116U CN 207135116 U CN207135116 U CN 207135116U CN 201720817543 U CN201720817543 U CN 201720817543U CN 207135116 U CN207135116 U CN 207135116U
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Abstract
Throw the utility model discloses a kind of wireless throwing screen reception device based on true random number key and wirelessly screen system, for matching with screen emissions, receiving terminal, including core processor and respectively with the core processor communication connection：Wireless communication module, for being communicated to connect with screen emissions terminal；Memory, to store true random number key；Security encryption chip, for being mutually authenticated with screen emissions terminal, and the memory-aided true random number key of profit the encryption data from screen emissions terminal is decrypted data after being decrypted；Decoder, to after the decryption of security encryption chip data decoded to obtain decoded data；Media data interface, for being communicated to connect with screen receiving terminal, send the decoded data to screen receiving terminal and carry out throwing screen display.The utility model can allow to complete Screen sharing by the device and other equipment based on the multimedia equipment of quantum communication network.
Description
Technical field
Wireless communication field is the utility model is related to, more particularly to a kind of wireless throwing screen based on true random number key receives
Apparatus and system.
Background technology
The extensive use of smart machine make it that throwing screen technology also gradually grows up, and it is exactly screen mirror image to throw screen technical spirit
Technology, refer to the resource (such as picture, audio, video, PPT content of multimedia) in an equipment being shipped to another equipment
The technology shown on screen.The film played on computer or on mobile phone is such as shipped to bigger screen equipment (such as intelligence
Can television set) on show, can realize that smaller screen is switched to large-size screen monitors so that the audio visual effect of film is more preferably.
Two ways can be substantially divided into by throwing the implementation of screen technology at this stage, be wired throwing screen mode respectively and wireless
Throw screen mode.Wired throwing screen mode needs to connect two equipment using Video Quality Metric line, is thrown by Video Quality Metric line
Penetrate data；In wirelessly screen mode is thrown, two equipment only need to connect by wireless network, and audio, video data passes through wireless network
Transmission carrys out projection data；Wired throwing screen is easily fettered by cable in use, and mobile inconvenient, user's operating experience is not
Good, therefore, wireless screen of throwing is widely used and developed.
With the development of quantum communication network and the practical propulsion of quantum communication network, entered based on quantum communication network
The multimedia interactive system such as row safety certification and the quantum video conferencing system of safety data transmission, quantum whiteboard system meet the tendency of and
It is raw.In multi-person conference scene, generally require to realize that the wireless screen of multi-person conference is shared, but existing be based on WI-FI nets
The wireless screen technology of sharing of network can not meet volume sub-video conference system or quantum whiteboard system demand.
In existing wireless throwing screen scheme, between equipment there is potential safety hazard in the security of data transfer, and be unable to meet volume
Requirement of the sub- communication network to security, it is impossible to be advantageously applied to the multimedia carried out data transmission based on quantum communication network
Interactive system.
Utility model content
The characteristics of the utility model is according to quantum communication network and applied to multimedia equipment in quantum communication network, is carried
For a kind of wireless throwing screen reception device based on true random number key so that the multimedia equipment based on quantum communication network can be with
Screen sharing is completed by the device and other equipment.
A kind of wireless throwing screen reception device based on true random number key, for matching with screen emissions, receiving terminal,
Including core processor and respectively with core processor communication connection：
Wireless communication module, for being communicated to connect with screen emissions terminal；
Memory, to store true random number key；
Security encryption chip, for being mutually authenticated with screen emissions terminal, and the memory-aided true random number key of profit
Encryption data from screen emissions terminal is decrypted data after being decrypted；
Decoder, to after the decryption of security encryption chip data decoded to obtain decoded data；
Media data interface, for being communicated to connect with screen receiving terminal, after sending the decoding to screen receiving terminal
Data carry out throwing screen display.
Preferably, the wireless throwing screen reception device is the mainboard chip being integrated in screen receiving terminal, or interpolation
Motherboard card in screen receiving terminal, or the outer USBKey being inserted in screen receiving terminal.
Preferably, the media data interface is wire circuit, for example, it is corresponding with wireless throwing screen reception device form
USB interface or board slot pin etc..
Preferably, the security encryption chip is TPM security encryption chips.
In order to realize the encryption of data, the deciphering module of software form is configured with security encryption chip, what it included can
Execute instruction is used to the encryption data from screen emissions terminal being decrypted.The encryption data is that screen emissions terminal will
It is sent to sound, the video data of screen receiving terminal.Decoder is then mainly used in decoding the sound, video information.
In order to further improve security, the authentication module of software form is configured with the security encryption chip, is used for
Generation authentication information is simultaneously sent to screen emissions terminal to be authenticated, and screen emissions terminal will be sent out again after authentication information processing
Quantum communication network service station is delivered to be authenticated.It can enter between screen receiving terminal and quantum communication network service station during certification
The modes such as row two-way authentication, such as refer to the authentication side in the Chinese patent application of Application No. 201610843356.0
Method.
The memory, comprising true random number key storage area, it is mainly used in storing true random number key for decrypting mould
Block is used.
Preferably, the memory is provided with key data interface, issued to receive quantum communications network service station
True random number key.
The wireless communication module is Wi-Fi communication modules.Screen receiving terminal is sent out by Wi-Fi communication modules and screen
Penetrate terminal and establish connection, to obtain the sound from screen emissions terminal, video data, Wi-Fi communication modules possess networking and searched
Suo Gongneng, it can search for all screen emissions terminals that can currently access, and the screen that will be connected according to search result selection
Launch terminal.
The utility model also provides a kind of wireless throwing screen system, including configures the screen emissions terminal under same LAN
With screen receiving terminal, it is additionally provided with：
Wireless throw described in the utility model shields reception device, and wireless screen reception device of throwing is connect by the media data of itself
Mouth communicates to connect with the screen receiving terminal；
The quantum key card used with the screen emissions terminal coupling；
The quantum communication network service station being connected with the local area network communication, it is close for the quantum via screen emissions terminal
Key clamping is received the authentication information to the wireless throwing screen reception device of screen receiving terminal and is authenticated, and makes screen emissions whole
The quantum key card at end and the wireless shared true random number key between throwing screen reception device.
In the utility model, it is only necessary to added in screen receiving terminal one it is wireless throw screen reception device can with it is complete
Screen sharing is completed into the screen emissions terminal being mutually authenticated, and its reliability and data transfer are ensured by quantum communication network
Security.
Brief description of the drawings
Fig. 1 is the schematic diagram of wireless throwing screen system of the utility model based on true random number key；
Fig. 2 is the structural representation that the utility model wirelessly throws screen reception device；
Fig. 3 is the flow chart that the utility model wirelessly throws screen system operation.
Embodiment
Referring to Fig. 1 and Fig. 2, a kind of wireless throwing screen system based on true random number key includes matching somebody with somebody in the utility model
Put screen emissions terminal and screen receiving terminal under same LAN, and the quantum communications net being connected with local area network communication
Network service station, screen emissions terminal are configured with quantum key card, and each screen receiving terminal is configured with wireless throw and shields reception device.
It is wireless to throw screen reception device：Including core processor and respectively with the media data of core processor communication connection
Interface, memory, decoder, wireless communication module and security encryption chip.
Wireless screen reception device of throwing provides screen projection function for screen receiving terminal, realizes and is total to the screen of screen emissions terminal
Enjoy.
Wireless screen reception device of throwing has corresponding operating system, can be with data storage information and all kinds of cryptographic algorithms
Deng the form of expression is mainboard chip, motherboard card, USBKey etc..
Wherein core processor refers to CPU；Security encryption chip can use TPM security encryption chips.
Software form deciphering module and authentication module are configured with inside TPM security encryption chips, deciphering module is used to carry out
Decryption oprerations, authentication module are mainly used in generating authentication information before Screen sharing and are sent to screen emissions terminal to carry out
Certification, screen emissions terminal receive the sub- communications network service station forwarding of the authentication information dyad, specifically refer to Application No.
Identity authentication method described in 201610843356.0.
Decoder is mainly used in decoding the sound after the decryption that receives, video information.
Memory includes true random number key storage area, is mainly used in storing true random number key so that deciphering module is carried out
Use, true random number key is issued by quantum communication network service station, therefore memory is with being connected to quantum communications net
Network service station obtains the key data interface for issuing true random number key；Such as quantum communication network service station is by true random number
Key K is presented to wireless throw and shields reception device, and its corresponding true random number key K ' is then stored in quantum communication network clothes
In business station.
Wireless communication module uses Wi-Fi communication modules, and for wireless data transmission, it possesses networking and function of search,
Screen receiving terminal is allowd to access screen emissions terminal to obtain sound, video information, its function of search is mainly used in searching for
All screen emissions terminals that can currently access, the screen emissions terminal that will be connected can be selected according to search result.
In the utility model, it is wireless throw screen reception device be by the quantum communication network service station accessed issue and
Key is supplemented with money, and it specifically issues the Chinese patent Shen that the process supplemented with money with key refers to Application No. 201611215253.6
Please in key card issue and supplement with money process.Therefore, the device internal memory contains is total to the quantum communication network service station accessed
The true random number key enjoyed, the function that it inherits quantum key card can securely communicate with quantum communication network, except this it
Outside, its major function is to be wirelessly transferred for carrying out data with the screen emissions terminal equipped with quantum key card to complete screen
It is shared.
Screen emissions terminal refers to that the terminal for being connected to complete the functions such as video conference, electronic whiteboard with server is set
Standby, be otherwise known as client when being communicated with server, preferably computer, all-in-one etc..
Service server：It is transmission maincenter of the service customer ends such as screen emissions terminal when carrying out audio frequency and video interaction, institute
The information for having client is required for being issued to other service customer ends again by the processing of service server.A kind of special circumstances
It is that service server and screen emissions terminal are integral devices.
Screen emissions terminal is connected by quantum communication network with server, under the management and manipulation of server with other
Client completes the audio frequency and video interaction in wide area network or LAN.Screen emissions terminal is furnished with quantum key card, the quantum key
Card is the networking voucher issued by quantum communication network service station, inside have with quantum communication network service station share it is true
Random number key, screen emissions terminal enter quantum communication network by the quantum key clamping and complete secure communication.It can specifically join
Examine the introduction to quantum key card in the Chinese patent application of Application No. 201610842874.0.
Screen receiving terminal refers to the terminal device for sharing screen with screen emissions terminal, preferably mobile phone, notes
This computer, tablet personal computer, POS, vehicle-mounted computer etc..It is by wirelessly throwing screen reception device and screen emissions in the utility model
Terminal carries out radio communication and receives the sound from screen emissions terminal, video information, to realize the screen with screen emissions terminal
Curtain is shared.
Quantum communication network service station is in quantum communication network, between quantum communication network service station by directly or
Person is indirectly connected structure quantum communication network, and completing safety by shared quantum key between quantum communication network service station leads to
Letter；Quantum communication network service station can issue quantum key card and give validated user end, and validated user end uses the quantum key
Card is linked into quantum communication network.The quantum specifically referred in the Chinese patent application of Application No. 201610842874.0 leads to
Communication network service station and quantum communication network.
With reference to Fig. 3, wirelessly throwing screen system running for the utility model includes：
1st, networking is built
By being directly or indirectly connected to form quantum communication network between quantum communication network service station.Screen emissions are whole
End is in same LAN with screen receiving terminal, is all linked into quantum communication network service station A, service server access
Quantum communication network service station B.Screen emissions terminal is furnished with quantum key card；Each screen receiving terminal receives equipped with wireless screen of throwing
Device.
2nd, the preparation before screen is thrown
In the utility model, screen emissions terminal by quantum key card and the quantum communication network service station accessed it
Between securely communicate, and screen receiving terminal is by the wireless quantum communication network service station for throwing and shielding reception device and being accessed
Between securely communicate.
Screen receiving terminal carries out Screen sharing by wirelessly throwing screen reception device and screen emissions terminal, meanwhile, screen
Launch terminal must use quantum key card and the corresponding software function of combination (such as encoding function) could be with screen receiving terminal
Wireless throwing screen reception device coordinate complete Screen sharing.
In the utility model, screen receiving terminal must be in same LAN with screen emissions terminal.
3rd, screen process is thrown
When screen emissions terminal works, wireless throwing screen reception device that screen receiving terminal is connected through searches can
The screen receiving terminal of access.Specific throwing screen process is as follows：
Screen emissions terminal passes through connected quantum key card and signs in quantum communication network service station；
Screen receiving terminal passes through the wireless throwing screen reception device connected and signs in quantum communication network service station；
The wireless throwing screen reception device of screen receiving terminal is in same LAN by radio communication mold block search
Screen emissions terminal and be attached thereto；
Screen receiving terminal will throw screen solicited message and be sent to screen emissions terminal, and screen emissions terminal disappears this request
Be then forwarded to quantum communication network service station after breath processing, processing of the quantum communication network service station Jing Guo screen emissions terminal with
Transfer carries out bidirectional identity authentication to screen receiving terminal.
After certification success, quantum communication network service station will be shared with screen receiving terminal (or screen emissions terminal)
Be sent to screen emissions terminal (or screen receiving terminal) after the encryption of one true random number key so that screen receiving terminal and
Screen emissions terminal forms shared session key.
Such as it is stored with true random number key K, quantum communication network service station in the wireless memory for throwing screen reception device
The true random number key K ' corresponding with true random number key K for memory storage of standing is sent to screen emissions terminal, for quantum
Used during key card encryption data.
True random number key K and corresponding true random number key K ' both can be used directly, can also be used as key kind
Son uses.
Screen emissions terminal will be thrown by quantum key card and the corresponding software function of combination using the session key shields phase
Sound, the video data of pass are first encoded and re-encrypted, and screen receiving terminal is sent to by wireless network after encryption.
Screen receiving terminal shields reception device by the sound of encryption, video data first with true random number key using wireless throw
K ' is decrypted, and is shown after further decoding to complete Screen sharing.
Screen emissions terminal or screen receiving terminal are sent to other side throws screen ending request message to terminate to throw screen operation.
Disclosed above is only embodiment of the present utility model, but the utility model is not limited to this, this area
Technical staff can carry out various changes and modification without departing from spirit and scope of the present utility model to the utility model.Obviously
These changes and modification all should belong in the protection domain protection of the requires of the utility model.In addition, although used in this specification
Some specific terms, but these terms are merely for convenience of description, the utility model do not formed any specifically limited.
Claims (6)
1. a kind of wireless throwing screen reception device based on true random number key, for matching with screen emissions, receiving terminal, its
Be characterised by, including core processor and respectively with the core processor communication connection：
Wireless communication module, for being communicated to connect with screen emissions terminal；
Memory, to store true random number key；
Security encryption chip, for being mutually authenticated with screen emissions terminal, and the memory-aided true random number key of profit is to coming
Data after being decrypted are decrypted from the encryption data of screen emissions terminal；
Decoder, to after the decryption of security encryption chip data decoded to obtain decoded data；
Media data interface, for being communicated to connect with screen receiving terminal, the decoded data is sent to screen receiving terminal
Carry out throwing screen display.
2. the wireless throwing screen reception device based on true random number key as claimed in claim 1, it is characterised in that described wireless
It is the mainboard chip being integrated in screen receiving terminal to throw screen reception device, or the interior mainboard plate being inserted in screen receiving terminal
Card, or the outer USB Key being inserted in screen receiving terminal.
3. the wireless throwing screen reception device based on true random number key as claimed in claim 1, it is characterised in that the safety
Encryption chip is TPM security encryption chips.
4. the wireless throwing screen reception device based on true random number key as claimed in claim 1, it is characterised in that the storage
Device is provided with key data interface, to receive the true random number key that quantum communications network service station is issued.
5. the wireless throwing screen reception device based on true random number key as claimed in claim 1, it is characterised in that described wireless
Communication module is Wi-Fi communication modules.
6. a kind of wireless throwing screen system, including screen emissions terminal and screen receiving terminal under same LAN are configured, its
It is characterised by, is additionally provided with：
The wireless throwing screen reception device based on true random number key described in any one of Claims 1 to 5, wireless screen of throwing receive dress
Put and communicated to connect by the media data interface of itself and the screen receiving terminal；
The quantum key card used with the screen emissions terminal coupling；
The quantum communication network service station being connected with the local area network communication, for the quantum key card via screen emissions terminal
Receive the authentication information to the wireless throwing screen reception device of screen receiving terminal and be authenticated, and make screen emissions terminal
Quantum key card and the wireless shared true random number key between throwing screen reception device.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720817543.1U CN207135116U (en) | 2017-07-07 | 2017-07-07 | A kind of wireless throwing screen reception device and system based on true random number key |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720817543.1U CN207135116U (en) | 2017-07-07 | 2017-07-07 | A kind of wireless throwing screen reception device and system based on true random number key |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109032546A (en) * | 2018-06-12 | 2018-12-18 | 广州视源电子科技股份有限公司 | Multi-screen interaction system and method |
| CN111263360A (en) * | 2020-03-17 | 2020-06-09 | 中国工程物理研究院机械制造工艺研究所 | Wireless encryption device and method for protecting variable mechanical authentication password by adopting public key |
| CN112312187A (en) * | 2019-07-31 | 2021-02-02 | 腾讯科技（深圳）有限公司 | Method, device and equipment for screen projection playing of video and storage medium |
| CN113422985A (en) * | 2021-06-15 | 2021-09-21 | 读书郎教育科技有限公司 | System and method for projecting encrypted video |
-
2017
- 2017-07-07 CN CN201720817543.1U patent/CN207135116U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109032546A (en) * | 2018-06-12 | 2018-12-18 | 广州视源电子科技股份有限公司 | Multi-screen interaction system and method |
| CN109032546B (en) * | 2018-06-12 | 2021-09-07 | 广州视源电子科技股份有限公司 | Multi-screen interaction system and method |
| CN112312187A (en) * | 2019-07-31 | 2021-02-02 | 腾讯科技（深圳）有限公司 | Method, device and equipment for screen projection playing of video and storage medium |
| CN111263360A (en) * | 2020-03-17 | 2020-06-09 | 中国工程物理研究院机械制造工艺研究所 | Wireless encryption device and method for protecting variable mechanical authentication password by adopting public key |
| CN113422985A (en) * | 2021-06-15 | 2021-09-21 | 读书郎教育科技有限公司 | System and method for projecting encrypted video |
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