WO2014173213A1 - Dispositif de conversion et système d'affichage - Google Patents

Dispositif de conversion et système d'affichage Download PDF

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Publication number
WO2014173213A1
WO2014173213A1 PCT/CN2014/073859 CN2014073859W WO2014173213A1 WO 2014173213 A1 WO2014173213 A1 WO 2014173213A1 CN 2014073859 W CN2014073859 W CN 2014073859W WO 2014173213 A1 WO2014173213 A1 WO 2014173213A1
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WO
WIPO (PCT)
Prior art keywords
data
module
information
transmission
transmission method
Prior art date
Application number
PCT/CN2014/073859
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English (en)
Chinese (zh)
Inventor
李东声
Original Assignee
天地融科技股份有限公司
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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 WO2014173213A1 publication Critical patent/WO2014173213A1/fr

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Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09C—CIPHERING OR DECIPHERING APPARATUS FOR CRYPTOGRAPHIC OR OTHER PURPOSES INVOLVING THE NEED FOR SECRECY
    • G09C5/00—Ciphering apparatus or methods not provided for in the preceding groups, e.g. involving the concealment or deformation of graphic data such as designs, written or printed messages
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L2209/00—Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
    • H04L2209/12—Details relating to cryptographic hardware or logic circuitry
    • 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
    • H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
    • H04L9/3247—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials involving digital signatures

Definitions

  • a second aspect of the present invention provides a display system including glasses and the above-described conversion device.
  • the glasses include a lens body, a display module disposed on the lens body, a second security module, and a communication module. Establishing a communication connection with the second transmission module of the conversion device, and receiving the first encrypted data after establishing a communication connection;
  • the second security module is configured to receive the first encryption at the communication module After the data is decrypted, the first encrypted data is decrypted to obtain the first information;
  • the second security module is further configured to send a display instruction to the display module after obtaining the first information; And configured to receive the display instruction, and display according to the display instruction and the first information.
  • the communication module further receives the first signature data when receiving the first encrypted data;
  • the second security module is configured to: after the communication module receives the first signature data, perform the following One of the operations: the second security module verifies the first signature data, and after verifying that the first signature data is passed, decrypting the first encrypted data to obtain the first information; The second security module decrypts the first encrypted data to obtain the first information, and after obtaining the first information, verifying the first signature data, and verifying the first signature data After passing, a display instruction is sent to the display module.
  • the communication module performs data transmission with the second transmission module by using 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, and an optical transmission mode, WIFI transmission mode, GPRS transmission mode, 3G transmission mode and GSM transmission mode.
  • the security module is further configured to: after the first transmission module receives the first information, determine whether the first information is information in a preset format, where if the information is not in a preset format, The first information is converted into the first conversion information of the preset format.
  • the communication module further receives the first signature data when receiving the first encrypted conversion data
  • the second security module is configured to perform the following operations after the communication module receives the first signature data.
  • the second security module verifies the first signature data, and after verifying that the first signature data is passed, decrypting the first encrypted conversion data to obtain the first conversion information;
  • the second security module decrypts the first encrypted conversion data, obtains the first conversion information, and after obtaining the first conversion information, verifies the first signature data, and verifies the After a signature data is passed, a display instruction is sent to the display module.
  • the glasses according to the present invention locally decrypt the encrypted data sent by the conversion device through the second security module, further ensuring the security of the data transmission, preventing the remote attack of the hacker to the greatest extent, and eliminating the decryption by using other decryption devices.
  • the information output by the glasses is encrypted by the second security module of the glasses and then sent out through the communication module, the security of the data output by the glasses can be ensured;
  • the glasses verify the signature; on the other hand, the data transmitted by the glasses can also be signed, and the conversion device verifies the signature, thereby ensuring both the conversion device and the glasses.
  • the authenticity of the identity further enhances the security of data transmission.
  • FIG. 1 is a block diagram showing the structure of a display system according to Embodiment 1 of the present invention.
  • the display system includes: a conversion device 10, and glasses 20; in addition, the display system of the present invention may further include: a terminal 30, and the terminal 30 may For any of the following devices: MP3, smartphone, tablet, laptop, PC, USB stick or remote server.
  • the conversion device 10 of the present invention can also be used as a separate device, and different interfaces are provided.
  • the conversion device 10 includes an interface such as an IC card slot, an SD card slot or a card reader, and can read an IC card and an SD card. Information stored in a device such as a card that is connected through an interface.
  • Wired transmission mode audio transmission mode, USB transmission mode or 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 or GSM transmission mode.
  • the wireless transmission method can reduce the setting of the interface, reduce the volume of the conversion device 10, and is more convenient to use and carry.
  • Wireless transmission mode NFC transmission mode, Bluetooth transmission mode, infrared transmission mode, optical transmission mode, WIFI transmission mode, GPRS transmission mode, 3G transmission mode or GSM transmission mode.
  • the wireless transmission method can reduce the setting of the interface, reduce the volume of the conversion device 10, and is more convenient to use and carry.
  • the glasses 20 include: a lens body; a display module 201, a second security module 202, and a communication module 203 may be disposed on the lens body; of course, the display module 201 may be separately disposed at the frame or may be disposed on the surface of the lens. The latter user can directly view the displayed content while wearing the glasses 20, which is convenient for the user to make use. Of course, the display module 201 can also be directly formed into a lens, which makes the process simple and practical.
  • the second security module 202 and the communication module 203 may be separately disposed at the frame or inside the frame, and the latter may reduce the volume of the glasses 20 for convenient carrying and use.
  • the communication module 203 can establish a connection by:
  • the wireless transmission method can reduce the setting of the interface, reduce the volume of the glasses 20, and is more convenient to use and carry.
  • the first transmission module 101 of the conversion device 10 establishes a communication connection with the terminal 30 through the matched transmission mode, so that the information transmitted by the terminal 30 can be received; the second transmission module 103 of the conversion device 10 and the communication module 203 of the glasses 20 pass the matched transmission.
  • the communication connection is established, so that the information sent by the processed terminal 30 can be sent to the glasses.
  • the first transmission module 101 is configured to establish a communication connection, and after the communication connection is established, receive the first information. Specifically, after establishing the connection with the first transmission module 101, the terminal 30 sends the plaintext of the information to the first transmission module 101.
  • the first security module 102 is configured to: after the first transmission module 101 receives the first information, encrypt the first information to obtain the first encrypted data, and send the first encrypted data to the second transmission module 103 for outgoing.
  • the first security module 102 determines whether the first information is information in a preset format, and if the information is in a preset format, encrypts the first information to obtain the first information.
  • the data is encrypted, and the first encrypted data is sent to the second transmission module 103 for outgoing.
  • the communication module 203 of the glasses 20 is used to establish with the second transmission module 103 of the conversion device. Communicating, and after establishing the communication connection, receiving the first encrypted data;
  • the second security module 202 is configured to decrypt the first encrypted data after the communication module 203 receives the first encrypted data, and obtain the first information that the terminal 30 sends to the conversion device;
  • the second security module 202 is further configured to send a display instruction to the display module 201 after obtaining the first information
  • the display module 201 receives the display instruction and displays according to the display instruction and the first information.
  • the second transmission module 103 of the conversion device 10 further receives the second data, and sends the second data to the first security module 102.
  • the first security module 102 performs the second data. Decrypting, obtaining the second decryption information, because the plaintext of the data is transmitted between the terminal 30 and the conversion device 10, the conversion device 10 directly transmits the second decryption information to the first transmission module 101 for outgoing, and the terminal 30 receives the first transmission. The second decrypted information transmitted by the module 101.
  • the conversion device 10 can also sign the transmitted data, and the glasses 20 can also verify the signature of the conversion device 10, which can be one of the following ways. Authenticate:
  • the first security module 102 of the conversion device 10 signs at least the first encrypted data, obtains the first signature data, and sends the first signature data to the second transmission module 103 for outgoing;
  • the communication module 203 of the glasses 20 further receives the first signature data when receiving the first encrypted data; the second security module The 202 is configured to: after the first signature data is received by the communication module 203, verify the first signature data, and after verifying that the first signature data is passed, decrypt the first encrypted data to obtain the first information.
  • the verification process is reduced, the data processing speed is improved, and the encrypted data is decrypted only after the verification signature is passed. Otherwise, if the verification signature fails, the encryption is not performed. The data is decrypted to ensure the security of the data.
  • the first security module 102 of the conversion device 10 signs at least the first information, obtains the first signature data, and sends the first signature data to the second transmission module 103 for outgoing;
  • the communication module 203 of the glasses 20 further receives the first signature data when receiving the first encrypted data.
  • the second security module 202 is configured to decrypt the first encrypted data after the communication module 203 receives the first signature data, and obtain the first After the first information is obtained, the first signature data is verified, and after the first signature data is verified, the display instruction is sent to the display module.
  • the decrypted information is obtained by decrypting the encrypted data, and the first signature data is verified according to the decrypted information, thereby improving the correctness of the verification, and even if the encrypted data and the signature are simultaneously tampered with, the verification can be performed, thereby ensuring the security of the data transmission.
  • the authenticity of the identity of the sex and conversion device 10. In order to further improve the security of the data transmission and ensure the authenticity of the identity of the glasses 20, the glasses 20 can also sign the transmitted data, and the conversion device 10 can also verify the signature of the conversion device 20, which can be performed by one of the following methods. Authentication:
  • the second security module 202 of the glasses 20 may, after generating the information to be output, at least the output information is signed to obtain the second signature data; the communication module 203 is further configured to: after the second security module 202 obtains the second signature data, , the second signature data is sent out;
  • the second transmission module 103 of the conversion device 10 when receiving the second data, the second transmission module 103 of the conversion device 10 further receives the second signature data, and sends the second signature data to the first security module 102; the first security module 102 receives the second After the data and the second signature data, the second data is decrypted to obtain the second decrypted information, and after the second decrypted information is obtained, the second signature data is verified;
  • the first security module 102 of the conversion device 10 sends the second decryption information to the first transmission module 101 after verifying that the second signature data is passed. Send for transmission to terminal 30.
  • the glasses 20 directly sign the output information, thereby improving the security of the signature data itself. Even if the second data and the second signature data are simultaneously tampered with, the glasses 20 can be verified at the conversion device 10, thereby ensuring the security of the data transmission. And the authenticity of the identity of the glasses 20; The conversion device 10 obtains the second decrypted information by decrypting the second 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 authenticity of the identity of the glasses 20.
  • the second security module 202 of the glasses 20 can sign at least the second data to obtain the second signature data.
  • the communication module 203 is further configured to: after the second security module 202 obtains the second signature data, the second signature data.
  • the second transmission module 103 of the conversion device 10 receives the second signature data when receiving the second data, and sends the second signature data to the first security module 102;
  • the first security module 102 is After receiving the second data and the second signature data, verifying the second signature data, and after verifying that the second signature data is passed, decrypting the second data to obtain the second decryption information;
  • the first security module 102 of the conversion device 10 transmits the second decryption information to the first transmission module 101 for outgoing transmission for transmission to the terminal 30.
  • the glasses 20 directly sign the second data, reduce the processing link, and improve the data processing speed.
  • the conversion device 10 directly verifies the second signature data according to the second data, reduces the verification link, improves the data processing speed, and only After the verification signature is passed, the second data is decrypted. Otherwise, if the verification signature fails, the second data is not decrypted to ensure security.
  • the button 20 can also be provided with a button.
  • the second security module 202 receives an input command through the button.
  • the display module 201 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 20 and/or the conversion device 10 to display.
  • Glasses 20 can also be set on the body, when transmitting audio data, the speaker can be based on the second security module
  • the information obtained by 202 is uttered 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 communication module 203 and the second security module 202 of the glasses 20 are integrated on one chip, and the modules are integrated on one chip, thereby saving space. The volume of the glasses 20 is reduced.
  • the functions performed by the second security module 202 can also be split into several sub-modules to perform related functions, such as: encryption and decryption sub-module, signature sub-module, and the processing speed can be improved by this method;
  • the second security module 202 can be a security chip; the first transmission module 101, the first security module 102, and the second transmission module 103 of the conversion device are integrated on one chip, and each module is integrated on one chip, thereby saving space and reducing Similarly, the function performed by the first security module 102 can be split into several sub-modules to perform related functions, such as: encryption and decryption sub-module, signature sub-module, in this way, the processing speed can be improved.
  • the object of the present invention is achieved as long as the effects described in the present invention are achieved, and any module allocation method employed by the conversion device 10 and the glasses 20 should fall within the scope of protection of the present invention.
  • Example 2 Example 2
  • This embodiment is an improvement on the basis of the first embodiment.
  • the structure of the display system is the same as that of the first embodiment, and is not described here.
  • the difference between this embodiment and the first embodiment is only: The information is processed at the conversion device 10 and transmitted to the glasses 20.
  • the first transmission module 101 sends the received first information to the first security module 102, and the first security module 102 converts the first information, converts the first information into the first conversion information in a preset format, and The first conversion information is encrypted to obtain the first encrypted conversion data, and the first encrypted conversion data is sent to the second transmission module 103 for outgoing.
  • the data is encrypted by the conversion device during the transmission process, which ensures the security of the data transmission.
  • the first security module 102 determines whether the first information is information in a preset format, and if not the information in the preset format, converts the first information into The first conversion information of the preset format is encrypted to obtain the first encrypted conversion data, and the first encrypted conversion data is sent to the second transmission module 103 for outgoing.
  • the conversion device 10 converts the first information that is not the preset format sent by the terminal 30, and converts the information into the preset format for matching with the glasses 20 supporting the preset format, so that the glasses can correctly display the information. .
  • the preset format supported by the glasses 20 of the present invention may be the codec format with the highest coding and decoding efficiency, for example: the preset format of the document supported by the glasses 20 is: TXT format; the preset of the picture supported by the glasses 20 The format is: ESC format, etc.
  • the preset format 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 most efficient codec format for encoding and decoding, which can improve the speed of data processing of glasses 20.
  • the communication module 203 of the glasses 20 is used for the second transmission module 103 of the conversion device. Establishing a communication connection, and after establishing the communication connection, receiving the first encrypted conversion data;
  • the second security module 202 is configured to decrypt the first encrypted conversion data after the communication module 203 receives the first encrypted conversion data, to obtain first conversion information;
  • the second security module 202 is further configured to send a display instruction to the display module 201 after obtaining the first conversion information
  • the display module 201 receives the display instruction and displays according to the display instruction and the first conversion information.
  • the glasses 20 of the present invention locally decrypt the encrypted data sent by the conversion device 10 through the second security module 202, further ensuring the security of data transmission, and maximally preventing remote attacks by hackers, thereby eliminating the adoption.
  • the second security module 202 of the glasses 20 is further configured to receive an input instruction, generate information to be output according to the input instruction, encrypt the information to be output, and obtain second data; the communication module 203 The second data is further sent out after the second security module 202 obtains the second data. It can be seen that the information output by the glasses 20 is encrypted by the second security module 202 of the glasses 20 and then transmitted through the communication module 203, so that the security of the data output by the glasses 20 can be ensured.
  • the second transmission module 103 of the conversion device 10 further receives the second data, and sends the second data to the first security module 102.
  • the first security module 102 performs the second data. Decrypting, obtaining the second decryption information, because the plaintext of the data is transmitted between the terminal 30 and the conversion device 10, the conversion device 10 also sends the second decryption information to the first transmission module 101 for outgoing, and the terminal 30 receives the first transmission.
  • the second decryption information transmitted by the module 101 can thereby ensure the security of data transmission between the glasses 20 to the conversion device 10 or the terminal 30.
  • the conversion device 10 can also sign the transmitted data, and the glasses 20 can also verify the signature of the conversion device 10, which can be one of the following ways. Authenticate:
  • the first security module 102 may further sign the first encrypted conversion data, obtain the first signature data, and send the first signature data to the second transmission module 103 for outgoing;
  • the communication module 203 of the glasses 20 receives the first signature data when receiving the first encrypted conversion data.
  • the second security module 202 is configured to verify the first signature data after the communication module 203 receives the first signature data, and After verifying that the first signature data is passed, the first encrypted conversion data is decrypted to obtain first conversion information.
  • the first security module 102 may also sign the first conversion information, obtain the first signature data, and send the first signature data to the second transmission module 103 for outgoing;
  • the communication module 203 of the glasses 20 receives the first signature data when receiving the first encrypted conversion data.
  • the second security module 202 is configured to decrypt the first encrypted conversion data after the communication module 203 receives the first signature data. Obtaining the first conversion information, and after obtaining the first conversion information, verifying the first signature data, and after verifying that the first signature data passes, transmitting the display instruction to the display module.
  • the decrypted information is obtained by decrypting the encrypted data, and the first signature data is verified according to the decrypted information, thereby improving the correctness of the verification, and even if the encrypted data and the signature are simultaneously tampered, the data can be verified, thereby ensuring the data.
  • the security of the transmission and the authenticity of the identity of the conversion device 10 ( to further improve the security of the data transmission, to ensure the authenticity of the identity of the glasses 20, the glasses 20 can also sign the transmitted data, and the conversion device 10 can also be used for the conversion device 20
  • the signature is verified, and the identity can be verified by one of the following methods:
  • the second security module 202 of the glasses 20 may, after generating the information to be output, at least the output information is signed to obtain the second signature data; the communication module 203 is further configured to: after the second security module 202 obtains the second signature data, , the second signature data is sent out;
  • the second transmission module 103 of the conversion device 10 when receiving the second data, the second transmission module 103 of the conversion device 10 further receives the second signature data, and sends the second signature data to the first security module 102; the first security module 102 receives the second After the data and the second signature data, the second data is decrypted to obtain the second decrypted information, and after the second decrypted information is obtained, the second signature data is verified;
  • the first security module 102 of the conversion device 10 sends the second decryption information to the first transmission module 101 after verifying that the second signature data is passed. Send for transmission to terminal 30.
  • the conversion device 10 obtains the second decrypted information by decrypting the second 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 authenticity of the identity of the glasses 20.
  • the second security module 202 of the glasses 20 can sign at least the second data to obtain the second signature data.
  • the communication module 203 is further configured to: after the second security module 202 obtains the second signature data, the second signature data.
  • the second transmission module 103 of the conversion device 10 receives the second signature data when receiving the second data, and sends the second signature data to the first security module 102;
  • the first security module 102 is After receiving the second data and the second signature data, verifying the second signature data, and after verifying that the second signature data is passed, decrypting the second data to obtain the second decryption information;
  • the first security module 102 of the conversion device 10 transmits the second decryption information to the first transmission module 101 for outgoing transmission for transmission to the terminal 30.
  • the glasses 20 directly sign the second data, reduce the processing link, and improve the data processing speed.
  • the conversion device 10 directly verifies the second signature data according to the second data, thereby reducing the verification link and increasing the number. According to the processing speed, and only after the verification signature is passed, the second data is decrypted. Otherwise, if the verification signature fails, the second data is not decrypted to ensure security.
  • the button 20 can also be provided with a button, which is the same as that of Embodiment 1, and details are not described herein again.
  • a speaker can also be disposed on the body of the glasses 20, which is the same as that of Embodiment 1, and will not be described herein.
  • the functions performed by the various modules in the present invention can be integrated on one chip.
  • the communication module 203 and the second security module 202 of the glasses 20 are integrated on one chip, and the modules are integrated on one chip, thereby saving space. The volume of the glasses 20 is reduced.
  • the functions performed by the second security module 202 can also be split into several sub-modules to perform related functions, such as: encryption and decryption sub-module, signature sub-module, and the processing speed can be improved by this method;
  • the second security module 202 can be a security chip; the first transmission module 101, the first security module 102, and the second transmission module 103 of the conversion device are integrated on one chip, and each module is integrated on one chip, thereby saving space and reducing Similarly, the function performed by the first security module 102 can be split into several sub-modules to perform related functions, such as: encryption and decryption sub-module, signature sub-module, in this way, the processing speed can be improved.
  • 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 implemented with any one or combination of the following techniques well known in the art: having logic gates for implementing logic functions on data signals Discrete logic circuits, application specific integrated circuits with suitable combinational logic gates, programmable gate arrays (PGAs), field programmable gate arrays (FPGAs), etc.
  • each functional unit in each embodiment of the present invention may be integrated into one processing module, or may be each Units exist physically separately, or two or more units can 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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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Small-Scale Networks (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)

Abstract

La présente invention porte sur un dispositif de conversion et un système d'affichage. Le dispositif de conversion comprend un premier module d'émission, un premier module de sécurité et un second module d'émission. Le premier module d'émission est utilisé pour établir une connexion de communication et recevoir des premières informations après établissement de la connexion de communication ; et le premier module de sécurité est utilisé pour : après que le premier module d'émission reçoit les premières informations, chiffrer les premières informations pour obtenir des premières données chiffrées, et envoyer les premières données chiffrées au second module d'émission pour être émises de manière externe.
PCT/CN2014/073859 2013-04-27 2014-03-21 Dispositif de conversion et système d'affichage WO2014173213A1 (fr)

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CN201310153784.7A CN103281184B (zh) 2013-04-27 2013-04-27 转换装置和显示系统
CN201310153784.7 2013-04-27

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