WO2014173223A1 - Dispositif de sécurité et système d'affichage - Google Patents

Dispositif de sécurité et système d'affichage Download PDF

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Publication number
WO2014173223A1
WO2014173223A1 PCT/CN2014/074168 CN2014074168W WO2014173223A1 WO 2014173223 A1 WO2014173223 A1 WO 2014173223A1 CN 2014074168 W CN2014074168 W CN 2014074168W WO 2014173223 A1 WO2014173223 A1 WO 2014173223A1
Authority
WO
WIPO (PCT)
Prior art keywords
information
data
glasses
encrypted data
module
Prior art date
Application number
PCT/CN2014/074168
Other languages
English (en)
Chinese (zh)
Inventor
李东声
Original Assignee
天地融科技股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 天地融科技股份有限公司 filed Critical 天地融科技股份有限公司
Publication of WO2014173223A1 publication Critical patent/WO2014173223A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
    • H04N21/4408—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving video stream encryption, e.g. re-encrypting a decrypted video stream for redistribution in a home network
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41—Structure of client; Structure of client peripherals
    • H04N21/4104—Peripherals receiving signals from specially adapted client devices
    • H04N21/4126—The peripheral being portable, e.g. PDAs or mobile phones
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/01—Head-up displays
    • G02B27/017—Head mounted
    • 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
    • H04L9/06—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols the encryption apparatus using shift registers or memories for block-wise or stream coding, e.g. DES systems or RC4; Hash functions; Pseudorandom sequence generators
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41—Structure of client; Structure of client peripherals
    • H04N21/4104—Peripherals receiving signals from specially adapted client devices
    • H04N21/4108—Peripherals receiving signals from specially adapted client devices characterised by an identification number or address, e.g. local network address
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41—Structure of client; Structure of client peripherals
    • H04N21/4104—Peripherals receiving signals from specially adapted client devices
    • H04N21/4122—Peripherals receiving signals from specially adapted client devices additional display device, e.g. video projector
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/436—Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
    • H04N21/4363—Adapting the video stream to a specific local network, e.g. a Bluetooth® network
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/436—Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
    • H04N21/4367—Establishing a secure communication between the client and a peripheral device or smart card
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/01—Head-up displays
    • G02B27/0101—Head-up displays characterised by optical features
    • G02B2027/014—Head-up displays characterised by optical features comprising information/image processing systems
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/01—Head-up displays
    • G02B27/017—Head mounted
    • G02B2027/0178—Eyeglass type
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards

Definitions

  • the present invention relates to the field of electronic technologies, and in particular, to a security device and a display system. Background technique
  • the existing glasses that can receive and display data are generally what kind of data is transmitted to the glasses by the terminal, and the glasses directly display the data. Due to the transparency of the data transmission, it is easy to cause the data related to privacy to be transmitted. The security of the data transmission cannot be guaranteed, which may easily lead to security risks such as privacy leakage.
  • the object of the present invention is to at least solve one of the above technical drawbacks.
  • An aspect of the present invention provides a security device, the security device is a glasses having a security display function, the glasses include a glasses body, a display module disposed on the glasses body, a security module, a conversion module, and a communication module;
  • the communication module is configured to establish a communication connection, and after the communication connection is established, receive the first encrypted data;
  • the security module is configured to perform, after the communication module receives the first encrypted data, the first encrypted data Decrypting, obtaining the first decryption information;
  • the security module is further configured to: after obtaining the first decryption information, determining whether the first decryption information is information in a preset format; if it is a preset format information,
  • the security module sends a display instruction to the display module; the display module receives the display instruction, and displays according to the display instruction and the first decryption information; if the information is not in a preset format, the security module Transmitting the first decryption information to the conversion module for conversion, and
  • the security module is further configured to receive an input instruction, generate information to be output according to the input instruction, and encrypt the to-be-output information to obtain second encrypted data;
  • the communication module is further configured to be in the security module. After obtaining the second encrypted data, the second encrypted data is sent out.
  • the communication module further receives first signature data when receiving the first encrypted data;
  • the security module is configured to: after the communication module receives the first encrypted data and the first signature data, , the first signature The data is verified, and after verifying that the first signature data is passed, the first encrypted data is decrypted to obtain first decrypted information.
  • the communication module further receives first signature data when receiving the first encrypted data; the security module is configured to: after the communication module receives the first encrypted data and the first signature data, Decrypting the first encrypted data to obtain first decryption information, and after obtaining the first decrypted information, verifying the first signature data; the security module is further configured to verify the first After a signature data is passed, it is determined whether the first decrypted information is information in a preset format.
  • the security module is further configured to: after the information to be output is generated, at least the information to be output is signed to obtain the second signature data; the communication module is further configured to obtain the first After the second signature data, the second signature data is sent out.
  • the security module is further configured to: after obtaining the second encrypted data, at least the second encrypted data is signed to obtain second signature data; the communication module is further configured to obtain the security module After the second signature data is described, the second signature data is sent out.
  • a button is further disposed on the lens body, and the security module receives the input instruction through the button. Furthermore, the conversion module and the security module are integrated on one chip.
  • Another aspect of the present invention provides a display system including a terminal and the above-mentioned glasses; the terminal generates information to be input, and encrypts the information to be input to obtain the first encrypted data, and the glasses After the communication connection is established, the first encrypted data is sent to the glasses.
  • the terminal further receives the second encrypted data sent by the glasses, and decrypts the second encrypted data to obtain second decrypted information; and the terminal further performs an operation according to the second decrypted information.
  • the terminal further signs at least the information to be input, obtains the first signature data, and sends the first signature data to the glasses.
  • the terminal further signs the first encrypted data, obtains the first signature data, and sends the first signature data to the glasses.
  • the terminal when receiving the second encrypted data sent by the glasses, the terminal further receives the second signature data sent by the glasses; the terminal receives the second encrypted data and the first After the second signature data is verified, the second signature data is verified, and after the second signature data is verified, the second encrypted data is decrypted to obtain the second decrypted information.
  • the terminal when receiving the second encrypted data sent by the glasses, the terminal further receives the second signature data sent by the glasses; the terminal receives the second encrypted data and the first After the second data is signed, the second encrypted data is decrypted to obtain the second decrypted information, and after the second decrypted information is obtained, The second signature data is verified; after the terminal verifies that the second signature data is passed, the terminal performs an operation according to the second decryption information.
  • the terminal establishes a communication connection with the glasses by one of the following modes: an audio transmission mode, a USB transmission mode, a serial port transmission mode, an NFC transmission mode, a Bluetooth transmission mode, an infrared transmission mode, an optical transmission mode, a WIFI transmission mode, GPRS transmission mode, 3G transmission mode and GSM transmission mode.
  • the present invention provides a security device and a display system. Since the data displayed by the security device is encrypted during transmission to the security device, the data is transmitted to the security device.
  • the security device of the present invention decrypts the encrypted data sent by the security module locally, further ensures the security of the data transmission, and prevents the remote attack of the hacker to the greatest extent, and eliminates the decryption by other decryption devices. The unsafe hidden dangers that are sent to the security device afterwards;
  • the security device of the present invention further determines the format of the received information, if the format of the received information is not a preset format supported by the security device, it is converted and converted into a preset format supported by the security device. To ensure that the security device displays the information that needs to be displayed smoothly;
  • the security of the data output by the security device can be ensured since the information output by the security device is encrypted by the security module of the security device and transmitted through the communication module, the security of the data output by the security device can be ensured;
  • FIG. 1 is a schematic structural view of glasses provided in Embodiment 1 of the present invention.
  • FIG. 2 is a schematic structural diagram of a display system according to Embodiment 2 of the present invention. detailed description
  • connection In the description of the present invention, it should be noted that the terms “installation”, “connected”, and “connected” are to be understood broadly, and may be fixed or detachable, for example, unless otherwise explicitly defined and defined. Connected, or connected integrally; can be mechanical or electrical; can be directly connected, or indirectly connected through an intermediate medium, can be the internal communication of the two components.
  • Connected, or connected integrally can be mechanical or electrical; can be directly connected, or indirectly connected through an intermediate medium, can be the internal communication of the two components.
  • the specific meaning of the above terms in the present invention can be understood in a specific case by those skilled in the art.
  • the glasses 10 of the present invention include: a lens body, and the lens body may include a frame and a lens.
  • the present invention can particularly provide a display module 101, a security module 102, a conversion module 103, and a communication module 104 on the spectacles body.
  • the display module 101 can be separately disposed at the frame or on the surface of the lens, and the user can directly view the displayed content while wearing the glasses 10, which is convenient for the user to use.
  • the display module 101 can also be directly formed into a lens, which makes the process simple and practical.
  • the security module 102 and the communication module 104 can be separately disposed at the frame or inside the frame, which can reduce the size of the glasses 10 for convenient carrying and use.
  • the communication module 104 is configured to establish a communication connection, and after establishing the communication connection, receive the first encrypted data.
  • the security module 102 is configured to decrypt the first encrypted data after the communication module 104 receives the first encrypted data, to obtain the first decrypted information;
  • the security module 102 is further configured to: after obtaining the first decryption information, determine whether the first decrypted information is a letter of the preset format from E.
  • the security module 102 sends a display instruction to the display module 101; the display module 101 receives the display instruction, and displays according to the display instruction and the first decryption information;
  • the security module 102 sends the first decryption information to the conversion module 103.
  • the conversion module 103 converts the first decryption information into information in a preset format, obtains the first conversion information, and sends the first conversion information to the security module 102.
  • the security module 102 sends a display instruction. To the display module 101; the display module 101 receives the display instruction, and displays according to the display instruction and the first conversion information.
  • the communication module 104 can establish a connection by:
  • Wired transmission mode audio transmission mode, USB transmission mode and serial port transmission mode
  • Wireless transmission mode NFC transmission mode, Bluetooth transmission mode, infrared transmission mode, optical transmission mode, WIFI transmission mode, GPRS transmission mode, 3G transmission mode, and GSM transmission mode.
  • the wireless transmission method can reduce the setting of the interface, reduce the volume of the glasses 10, and is more convenient to use and carry. It can be seen that since the data displayed by the glasses 10 is required to be encrypted during transmission to the glasses 10, the security of the data transmission to the glasses 10 is ensured, and the glasses 10 of the present invention are locally encrypted by the security module 102. The data is decrypted to further ensure the security of the data transmission, and the remote attack of the hacker is prevented to the greatest extent, and the unsafe hidden danger caused by the decryption of the other decryption device and then sent to the glasses is eliminated.
  • the preset format supported by the glasses 10 of the present invention is the codec format with the highest encoding and decoding efficiency.
  • the preset format of the document supported by the glasses 10 is: TXT format; the preset format of the image supported by the glasses 10 is: ESC Format, etc., of course, can also support the codec format with the highest codec efficiency of different types (for example: audio format, video format), which are not enumerated here.
  • the preset format adopts the codec format with the highest codec efficiency, which can improve the speed of data processing of the glasses 10.
  • the glasses 10 of the present invention also judge the format of the received information, if the format of the received information is not the preset format supported by the glasses 10, it is converted and converted into a preset format supported by the glasses 10 to ensure The glasses 10 smoothly display the information that needs to be displayed.
  • the security module 102 of the glasses 10 is further configured to receive an input instruction, generate information to be output according to the input instruction, and encrypt the information to be output to obtain second encrypted data; the communication module 104 further For transmitting the second encrypted data after the security module 102 obtains the second encrypted data.
  • the information output by the glasses 10 is encrypted by the security module 102 of the glasses 10 and transmitted through the communication module 104, so that the security of the data output by the glasses 10 can be ensured.
  • the glasses 10 also need to verify the identity of the sender of the data. Specifically, the identity of the sender of the data can be verified as follows:
  • the communication module 104 of the glasses 10 receives the first signature data when receiving the first encrypted data;
  • the block 102 is configured to: after the first encrypted data and the first signature data are received by the communication module 104, verify the first signature data, and after verifying that the first signature data is passed, decrypt the first encrypted data to obtain the first Decrypt the information.
  • the first signature data is obtained by signing at least the first encrypted data.
  • the verification link is reduced, the data processing speed is increased, and the first encrypted data is decrypted only after the verification signature is passed. Otherwise, the verification signature fails. , the first encrypted data is not decrypted to ensure security.
  • the communication module 104 of the glasses 10 further receives the first signature data when receiving the first encrypted data; the security module 102 is configured to: after the communication module 104 receives the first encrypted data and the first signature data, the first encryption Decrypting the data, obtaining the first decryption information, and verifying the first signature data after obtaining the first decryption information; the security module 102 is further configured to: after verifying that the first signature data is passed, determining whether the first decryption information is pre- Formatted information.
  • the first signature data is obtained by signing at least the original text corresponding to the first encrypted data.
  • the first decrypted information is obtained by decrypting the first encrypted data, and the first signature data is verified according to the first decrypted information, thereby improving the correctness of the verification, and even if the ciphertext and the signature are simultaneously tampered, the verification can be performed, thereby ensuring data transmission.
  • the security and authenticity of the identity of the sender of the data are also need to sign the information that needs to be output. Specifically, the information to be output may be signed as follows:
  • the security module 102 of the glasses 10 is further configured to: after generating the information to be output, sign the output information to obtain the second signature data; the communication module 104 is further configured to: after the security module 102 obtains the second signature data, Two signature data is sent out.
  • the security module 102 obtains the second signature data
  • Two signature data is sent out.
  • the security module 102 of the glasses 10 is further configured to: after obtaining the second encrypted data, sign the second encrypted data to obtain the second signature data; and the communication module 104 is further configured to: after the security module 102 obtains the second signature data, , the second signature data is sent out.
  • the button 10 can also be provided with a button.
  • the security module 102 receives an input command through the button.
  • the display module 101 displays the content as "whether to confirm the display information", and the user can press the button to send a confirmation command to inform the glasses 10 and/or the data sender to display.
  • the speaker 10 can also be provided with a speaker.
  • the speaker can perform sound according to the first decryption information or the first conversion information obtained by the security module 102 to ensure normal use of the user.
  • the functions performed by the various modules in the present invention can be integrated on one chip.
  • the conversion module 103 and the security module 102 are integrated on one chip, and each module is integrated on one chip, which saves space and reduces the glasses 10 .
  • the volume of the security module can also be split into several sub-modules to perform related functions, such as: split into the judgment sub-module, encryption and decryption sub-module, in this way can improve the processing speed; the security module 102 can be safe chip.
  • the object of the present invention is achieved as long as the effects described in the present invention are achieved, and any module distribution method employed in the glasses should fall within the scope of protection of the present invention.
  • Example 2 Example 2
  • FIG. 2 is a schematic structural diagram of a display system according to Embodiment 2 of the present invention.
  • the display system of the present invention includes: the terminal 20 and the glasses 10 shown in Embodiment 1.
  • the glasses 10 and the embodiment 1 is the same, therefore, will not be described here.
  • the terminal 20 matching the glasses 10 will be described below:
  • the terminal 20 generates information to be input, and encrypts the input information to obtain the first encrypted data, and the glasses
  • the first encrypted data is transmitted to the glasses 10. Thereby, it is ensured that the terminal 20 transmits the encrypted data to the glasses 10, and the security of the data transmitted by the terminal 20 is ensured.
  • the terminal 20 when the glasses 10 send the second encrypted data to the terminal, the terminal 20 further receives the second encrypted data sent by the glasses 10, and decrypts the second encrypted data to obtain the second decrypted information; the terminal 20 further determines the second decrypted information according to the second decrypted information. Perform the operation. At this time, the security of the data transmitted from the glasses 10 to the terminal 20 is secured. In order to further improve the security of the data transmission and ensure the authenticity of the identity of the terminal 20, the terminal also needs to sign the information that needs to be output. Specifically, the information to be output may be signed as follows:
  • the terminal 20 can sign the input information, obtain the first signature data, and transmit the first signature data to the glasses 10.
  • the security of the signature data itself is improved, and even if the first encrypted data and the first signature data are simultaneously tampered with, the glasses 10 can be verified to ensure data transmission. Security and authenticity of the identity of the terminal 20.
  • the terminal 20 can also sign the first encrypted data, obtain the first signature data, and transmit the first signature data to the glasses 10. By directly signing at least the first encrypted data, the processing link is reduced, and the data processing speed is improved.
  • the terminal 20 also The identity of the glasses 10 needs to be verified. Specifically, the identity of the glasses 10 can be verified as follows:
  • the terminal 20 may receive the second signature data sent by the glasses 10 when receiving the second encrypted data sent by the glasses 10; after receiving the second encrypted data and the second signature data, the terminal 20 may perform the second signature data.
  • the verification is performed, and after verifying that the second signature data is passed, the second encrypted data is decrypted to obtain the second decrypted information.
  • the verification link is reduced, the data processing speed is improved, and the second encrypted data is decrypted only after the verification signature is passed. Otherwise, the verification signature fails. , the second encrypted data is not decrypted to ensure security.
  • Terminal 20 When receiving the second encrypted data sent by the glasses 10, the terminal 20 may further receive the second signature data sent by the glasses 10; after receiving the second encrypted data and the second signature data, the terminal 20 may perform the second encrypted data. Decrypting, obtaining the second decryption information, and after obtaining the second decryption information, verifying the second signature data; after verifying that the second signature data is passed, the terminal 20 performs an operation according to the second decryption information.
  • the second decrypted information is obtained by decrypting the second encrypted data to verify the second signature data, thereby improving the correctness of the verification, and even if the ciphertext and the signature are simultaneously tampered with, the verification can be performed, thereby ensuring the security of the data transmission and the glasses 10 The authenticity of the identity.
  • Terminal 20 can be any of the following devices: MP3, smart phone, tablet, notebook computer, PC, USB flash drive or remote server.
  • the terminal 20 and the glasses 10 can establish a connection by one of the following methods:
  • Wired transmission mode audio transmission mode, USB transmission mode and serial port transmission mode
  • Wireless transmission mode NFC transmission mode, Bluetooth transmission mode, infrared transmission mode, optical transmission mode, WIFI transmission mode, GPRS transmission mode, 3G transmission mode, and GSM transmission mode.
  • the wireless transmission method can reduce the setting of the glasses 10 interface, reduce the volume of the glasses 10, and is more convenient to use and carry.
  • Any process or method description in the flowcharts or otherwise described herein may be understood to represent a module, segment or portion of code that includes one or more executable instructions for implementing the steps of a particular logical function or process.
  • the scope of the preferred embodiments of the invention includes additional implementations, in which the functions may be performed in a substantially simultaneous manner or in an opposite order depending on the functions involved, in the order shown or discussed. It will be understood by those skilled in the art to which the embodiments of the present invention pertain.
  • portions of the invention may be implemented in hardware, software, firmware or a combination thereof.
  • multiple steps or methods may be implemented in software or firmware stored in a memory and executed by a suitable instruction execution system.
  • a suitable instruction execution system For example, if implemented in hardware, as in another embodiment, it can be used in the art.
  • each functional unit in each embodiment of the present invention may be integrated into one processing module, or each unit may exist physically separately, or two or more units may be integrated into one module.
  • the above integrated modules can be implemented in the form of hardware or in the form of software functional modules.
  • the integrated modules, if implemented in the form of software functional modules and sold or used as separate products, may also be stored in a computer readable storage medium.
  • the above-mentioned storage medium may be a read only memory, a magnetic disk or an optical disk or the like.
  • the description of the terms “one embodiment”, “some embodiments”, “example”, “specific example”, or “some examples” and the like means a specific feature described in connection with the embodiment or example.
  • a structure, material or feature is included in at least one embodiment or example of the invention.
  • the schematic representation of the above terms does not necessarily mean the same embodiment or example.
  • the particular features, structures, materials, or characteristics described may be combined in a suitable manner in any one or more embodiments or examples.

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Computer Security & Cryptography (AREA)
  • General Engineering & Computer Science (AREA)
  • Storage Device Security (AREA)
  • Controls And Circuits For Display Device (AREA)

Abstract

La présente invention concerne un dispositif de sécurité et un système d'affichage. Le dispositif de sécurité est constitué d'une paire de lunettes présentant une fonction d'affichage de sécurité. Après réception de premières données cryptées d'un module de communication, un module de sécurité des lunettes décrypte les premières données cryptées afin d'obtenir des premières informations décryptées ; le module de sécurité détermine si les premières informations décryptées sont des informations présentant ou non un format prédéfini ; si oui, le module de sécurité envoie une instruction d'affichage à un module d'affichage, et le module d'affichage effectue un affichage conformément à l'instruction d'affichage et aux premières informations décryptées ; et, si non, un modèle de conversion convertit les premières informations décryptées en les informations présentant le format prédéfini afin d'obtenir des premières informations de conversion, le module de sécurité envoie une instruction d'affichage au module d'affichage, et le module d'affichage effectue un affichage conformément à l'instruction d'affichage et aux premières informations de conversion.
PCT/CN2014/074168 2013-04-27 2014-03-27 Dispositif de sécurité et système d'affichage WO2014173223A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201310153786.6 2013-04-27
CN2013101537866A CN103269338A (zh) 2013-04-27 2013-04-27 安全设备和显示系统

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Publication Number Publication Date
WO2014173223A1 true WO2014173223A1 (fr) 2014-10-30

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CN103269338A (zh) * 2013-04-27 2013-08-28 天地融科技股份有限公司 安全设备和显示系统
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