WO2020111499A1 - Qr 코드를 이용한 정보 송수신 방법, 장치 및 시스템 - Google Patents
Qr 코드를 이용한 정보 송수신 방법, 장치 및 시스템 Download PDFInfo
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- WO2020111499A1 WO2020111499A1 PCT/KR2019/013222 KR2019013222W WO2020111499A1 WO 2020111499 A1 WO2020111499 A1 WO 2020111499A1 KR 2019013222 W KR2019013222 W KR 2019013222W WO 2020111499 A1 WO2020111499 A1 WO 2020111499A1
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- information
- terminal
- transmitting
- code
- receiving
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- 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
- H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
- H04L9/0861—Generation of secret information including derivation or calculation of cryptographic keys or passwords
- H04L9/0866—Generation of secret information including derivation or calculation of cryptographic keys or passwords involving user or device identifiers, e.g. serial number, physical or biometrical information, DNA, hand-signature or measurable physical characteristics
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q20/00—Payment architectures, schemes or protocols
- G06Q20/30—Payment architectures, schemes or protocols characterised by the use of specific devices or networks
- G06Q20/32—Payment architectures, schemes or protocols characterised by the use of specific devices or networks using wireless devices
- G06Q20/327—Short range or proximity payments by means of M-devices
- G06Q20/3276—Short range or proximity payments by means of M-devices using a pictured code, e.g. barcode or QR-code, being read by the M-device
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/06009—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code with optically detectable marking
- G06K19/06037—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code with optically detectable marking multi-dimensional coding
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q20/00—Payment architectures, schemes or protocols
- G06Q20/08—Payment architectures
- G06Q20/20—Point-of-sale [POS] network systems
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q20/00—Payment architectures, schemes or protocols
- G06Q20/38—Payment protocols; Details thereof
- G06Q20/382—Payment protocols; Details thereof insuring higher security of transaction
- G06Q20/3829—Payment protocols; Details thereof insuring higher security of transaction involving key management
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q20/00—Payment architectures, schemes or protocols
- G06Q20/38—Payment protocols; Details thereof
- G06Q20/40—Authorisation, e.g. identification of payer or payee, verification of customer or shop credentials; Review and approval of payers, e.g. check credit lines or negative lists
- G06Q20/409—Device specific authentication in transaction processing
- G06Q20/4097—Device specific authentication in transaction processing using mutual authentication between devices and transaction partners
- G06Q20/40975—Device specific authentication in transaction processing using mutual authentication between devices and transaction partners using encryption therefor
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- 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
Definitions
- the present invention relates to a method and apparatus for transmitting and receiving information using a QR code, and more specifically, a method for transmitting and receiving QR information in a device without a QR identification module, and transmitting and receiving information using a QR code in communication between a device and a system and a terminal. It relates to a method, an apparatus and a system.
- QR codes are two-dimensional barcodes in matrix format that display information in a black and white plaid pattern. QR codes are widely used in various fields due to the advantage of being able to store data of a larger size than ordinary barcodes that store numeric or text information in one direction.
- a QR code can read data stored through image capture through a camera or a device equipped with a separate reader. That is, anyone with a means to read a standard QR code can browse the data in the QR code.
- the problem to be solved by the present invention is to provide a method for transmitting and receiving QR information that can be used in an existing POS system or the like without a QR identification module or limited camera use.
- the present invention provides a method for transmitting and receiving QR information that can be used in a field in which data processing is required by using a QR code between terminals without a server.
- Method for transmitting and receiving information using a QR code for solving the above problems is the step of receiving a first QR code from the second terminal, including the identification information of the second terminal, the identification of the second terminal Transmitting information to a server, receiving encryption information of the second terminal corresponding to the identification information of the second terminal from the server, generating first encryption information, wherein the first encryption information is the first Information encrypted by encrypting the encryption information of the first terminal using the encryption information of the second terminal, transmitting the first encryption information to the second terminal, information data encrypted using the encryption information of the first terminal Receiving a second QR code from the second terminal, decoding the information data recorded in the second QR code as decoding information of the first terminal, and obtaining the information data of the second terminal Encrypting using encryption information and transmitting to the server and receiving the determination information from the server, the determination information between the information data transmitted from the first terminal and the second terminal to the server, respectively
- the determination information is the same, and receiving the determination information from the server includes: decoding the information data received by the server
- the step of confirming that the information data is correctly received and the determination information for the same are the same. If not indicated, further comprising confirming that the information data is not correctly received.
- the method for transmitting and receiving information using a QR code in the present invention is characterized in that when the information data is not correctly received, the first QR code is received again from the second terminal.
- the method for transmitting and receiving information using a QR code in the present invention comprises the steps of transmitting a first QR code including identification information of a second terminal, receiving first password information, wherein the first password information is a first QR Encrypting information of the first terminal based on a code, which is information encrypted using the encryption information of the second terminal, Decrypting the first encryption information through the decryption information of the second terminal, and encrypting the first terminal Obtaining information, encrypting information data using encryption information of the first terminal, generating encrypted information data, generating a second QR code based on the encrypted information data, and generating the second 2 transmitting the QR code to the first terminal, encrypting the information data using encryption information of the second terminal, and transmitting it to a server, and receiving judgment information from the server, and determining the information Is the determination information on whether the information data transmitted from the first terminal and the second terminal to the server is the same, and receiving the determination information from the server is the information received by the server from the first terminal. And decrypting the first QR
- the step of confirming that the information data is correctly received and the determination information for the same are the same. If not indicated, further comprising confirming that the information data is not correctly received.
- the method for transmitting and receiving information using a QR code in the present invention is characterized in that when the information data is not correctly received, the first QR code is transmitted to the first terminal again.
- the step of transmitting the first password information to the second terminal includes: transmitting the first password information to the server and the server transmitting the first password And transmitting information to the second terminal.
- the device and the system replace the QR code generation and transmission process of the receiving terminal by using an intermediate server in the process of transmitting and receiving information of the receiving terminal, or there is no QR identification module or camera It has the advantage that it can be used in a limited existing POS system (for example, a general desktop PC or a system through a terminal with a display device already in use) and thus greatly secures scalability.
- a limited existing POS system for example, a general desktop PC or a system through a terminal with a display device already in use
- the method for transmitting and receiving information using a QR code according to the present invention, a device, and a system are used in fields requiring data processing by using a QR code between terminals without a server, and can be applied in areas where security is not required by removing encryption.
- security can be used as a simple two-way data transmission/reception method for access authentication or login, etc., and can be used as an alternative technology that can be used where there is a limitation in the use of wireless local area communication (NFC or RFID).
- NFC wireless local area communication
- the method for transmitting and receiving information using the QR code according to the present invention the device and the system, even if the user's smartphone is hacked, the information data or payment information is cross-checked with the merchant's terminal, so secure information can be transmitted. Do.
- the method for transmitting and receiving information using a QR code according to the present invention strengthen security while maintaining simple use and rapid use, which are advantages of conventional QR code payment.
- FIG. 1 is a view showing an information transmission and reception system using a QR code including a transmission terminal without a QR identification module, for an embodiment of the present invention.
- FIG. 2 is a diagram illustrating components of a receiving terminal, a server, and a transmitting terminal included in an information transmission/reception system using a QR code including a transmitting terminal without a QR identification module, as an embodiment of the present invention.
- FIG. 3 is a diagram illustrating an operation of a receiving terminal of an information transmitting and receiving system using a QR code including a transmitting terminal without a QR identification module as an embodiment of the present invention.
- FIG. 4 is a view showing an operation of a transmitting terminal of an information transmitting and receiving system using a QR code including a transmitting terminal without a QR identification module as an embodiment of the present invention.
- FIG. 5 is a view showing an information transmission/reception system using a QR code in communication between terminals, according to an embodiment of the present invention.
- FIG. 6 is a diagram illustrating components of a receiving terminal, a server, and a transmitting terminal included in an information transmission/reception system using a QR code in communication between terminals, as an embodiment of the present invention.
- FIG. 7 is a view showing an operation of the receiving terminal of the information transmitting and receiving system using a QR code in the communication between terminals, as an embodiment of the present invention.
- FIG 8 is a view showing an operation of the transmitting terminal of the information transmitting and receiving system using a QR code in the communication between terminals, as an embodiment of the present invention.
- FIG. 1 is a view showing an information transmission and reception system using a QR code including a transmission terminal without a QR identification module, for an embodiment of the present invention.
- an information transmission/reception system 100 using a QR code including a transmission terminal without a QR identification module (hereinafter referred to as an'information transmission/reception system including a device without a QR identification module') ) May be configured to include a receiving terminal 110, a server 120, and a transmitting terminal 130 without a QR identification module.
- the information transmitting and receiving system 100 including a device without a QR identification module is configured to scan the QR code so that the receiving terminal 110 obtains information data transmitted from the transmitting terminal 130 without the QR identification module.
- An information transmitting and receiving system including a device without a QR identification module may transmit not only information data, but also encryption information and decryption information used to encrypt information data in the process of transmitting and receiving information through a QR code.
- information data in the process of transmitting and receiving information, information data may be encrypted and transmitted based on an RSA encryption system.
- encryption information used for encryption or decryption information itself may be encrypted and transmitted. That is, in the present invention, the target of encryption is not limited to information data, and the encryption information or the decryption information itself can also be targeted for encryption.
- the encryption information of the receiving terminal 110 may be encrypted and transmitted using the encryption information of the transmitting terminal 130.
- the encrypted information of the receiving terminal 110 is not transmitted as it is, but is encrypted and transmitted using the encrypted information of the transmitting terminal 130, so that the receiving terminal must have decryption information corresponding to the encrypted information of the transmitting terminal 130 ( Since it is possible to obtain the encrypted information of 110), there is an effect that can further strengthen the security aspects.
- the receiving terminal 110 is a terminal that receives information data from the information transmitting and receiving system 100 including a device without a QR identification module. Meanwhile, the receiving terminal 110 may be configured to also serve as a role of transmitting received information data or other information data before or after receiving the information data.
- the receiving terminal 110 may be any terminal including a communication function such as a smart phone, a tablet PC, a laptop, or may be configured as a dedicated terminal used for the information transmitting and receiving system 100 including a device without a QR identification module. have.
- the server 120 is responsible for controlling the process of transmitting and receiving information data in the information transmitting and receiving system 100 including a device without a QR identification module.
- the server 120 may perform all controls required by the information transmission/reception system 100 including a device without a QR identification module, such as communication connection, information data transmission and reception, and confirmation of information data transmission/reception.
- the server 120 may be any device that can handle communication control, such as a mobile communication repeater or Internet management device, and is a dedicated device or server used for the information transmission/reception system 100 including a device without a QR identification module. It may be configured.
- the transmission terminal 130 without a QR identification module is a terminal that transmits information data from the information transmission/reception system 100 including a device without a QR identification module.
- the transmission terminal 130 without the QR identification module may be configured to also function to receive information data or other information data to be transmitted before or after transmitting the information data.
- the transmitting terminal 130 without the QR identification module can be any terminal that includes a communication function such as a smart phone, a tablet PC, a laptop, and is used exclusively for the information transmission/reception system 100 including a device without the QR identification module. It may be composed of a terminal.
- the receiving terminal 110 may receive the first QR code from the transmitting terminal 130 without a QR identification module for receiving information data (S110).
- the first QR code may include transmission terminal identification information.
- the transmitting terminal identification information indicates information indicating unique information of the transmitting terminal.
- the receiving terminal 110 may receive the first QR code through the built-in camera or QR code recognition module.
- the receiving terminal 110 may transmit the transmitting terminal identification information to the server 120 (S120), and receive encryption information of the transmitting terminal without the QR identification module from the server 120 (S130).
- the server 120 may receive the transmission terminal identification information transmitted by the reception terminal 110 and specify the transmission terminal 130 without a QR identification module to transmit information data to the reception terminal 110.
- the server 120 may transmit the encryption information of the transmitting terminal without the QR identification module to the receiving terminal 110, which is used when the transmitting terminal 130 without the QR identification module transmits the information.
- the encryption information of the transmitting terminal 130 without the QR identification module may indicate information about a rule or an encryption program that encrypts information when the transmitting terminal 130 without the QR identification module transmits the information.
- the receiving terminal 110 may receive the encryption information of the transmitting terminal without the received QR identification module and transmit the receiving terminal encryption information to the server (S140).
- the receiving terminal encryption information may indicate information about a rule or an encryption program that encrypts information when the receiving terminal 110 transmits the information.
- the receiving terminal encryption information may include receiving terminal identification information. The receiving terminal identification information is not included in the receiving terminal encryption information, and may be transmitted separately.
- the server may transmit the transmission terminal encryption information transmitted from the reception terminal 110 to the transmission terminal 130 without the QR identification module (S150).
- the transmitting terminal 130 without the QR identification module may obtain encryption information of the receiving terminal and identification information of the transmitting terminal from the server (S161).
- the transmitting terminal 130 without the QR identification module may generate the second QR code by encrypting the information data with the encryption information of the receiving terminal 110 (S162).
- the second QR code is generated by encrypting information data to be transmitted by the transmitting terminal 130 without the QR identification module to the receiving terminal 110 as a QR code, through encryption information of the receiving terminal 130.
- the transmitting terminal 130 without the QR identification module may generate the second QR code and encrypt the information data using the encryption information of the transmitting terminal without the QR identification module and transmit the encrypted information data to the server (S163) ).
- the second QR code and the encrypted information data have the same contents of the included information data, but the second QR code is encrypted through the encryption information of the receiving terminal 130, and the encrypted information data transmitted to the server is a QR identification module
- the contents of the superficial data are different because they are encrypted through the encryption information of the transmitting terminal without this.
- the receiving terminal 110 may recognize (receive) the second QR code displayed on the transmitting terminal 130 without the QR identification module, and obtain information data by decoding it with the decoding information of the receiving terminal 110 (S164). .
- the decryption information of the receiving terminal 110 may indicate information regarding a rule or encryption program used to decrypt the QR code or the encrypted information encrypted with the encryption information of the receiving terminal 110.
- the receiving terminal 110 may encrypt the decrypted information data with encryption information of the transmitting terminal 130 without the QR identification module and transmit it to the server (S170).
- the server may receive the encrypted information data transmitted by the receiving terminal 110 in step S170 and the encrypted information data transmitted by the transmitting terminal 130 without the QR identification module in step S163. Both the encrypted information data transmitted by the receiving terminal 110 and the encrypted information data transmitted by the transmitting terminal 130 without the QR identification module are encrypted with the encryption information of the transmitting terminal 130 without the QR identification module.
- Information data is the same.
- the server 120 determines whether the encrypted information data transmitted by the receiving terminal 110 is identical to the encrypted information data transmitted by the transmitting terminal 130 without a QR identification module, and the content of whether the data is matched or not. It can be transmitted to the receiving terminal 110 and the transmitting terminal 130 without the QR identification module (S180). The determination of the identity of the server 120 can be performed by decrypting the encrypted information data. The server 120 identifies the QR The encrypted information data transmitted by the receiving terminal 110 and the encrypted information data transmitted by the transmitting terminal 130 without the QR identification module are decrypted and decrypted using the decryption information of the transmitting terminal 130 without the module.
- the server 120 obtains information data by decrypting the encrypted information data received from the receiving terminal 110 and the transmitting terminal 130, respectively, using the decryption information of the transmitting terminal 130.
- the server 120 The decoding information of the transmitting terminal 130 may be pre-stored and managed.
- the server 120 identifies information indicating that the information was correctly transmitted by the receiving terminal 110 and the QR It can be transmitted to the transmission terminal 130 without a module. If the information has been correctly transmitted, the receiving terminal 110, the server 120, and the transmitting terminal 130 without the QR identification module may change the mode to the standby state for information transmission and reception. If the information data transmitted by the receiving terminal 110 and the information data transmitted by the transmitting terminal 130 without the QR identification module are not the same, the server 120 receives information indicating that the information was not correctly transmitted. ) And the QR identification module.
- Information indicating that the information was not correctly transmitted may be transmitted by including the reason of the information transmission failure together with the information transmission and failure. If the information has not been correctly transmitted, the receiving terminal 110, the server 120, and the transmitting terminal 130 without the QR identification module execute or execute one step again from S110 to S170 to transmit and receive information data again. The transmitting and receiving process after the step may be executed again.
- the information transmitting and receiving system 100 including a device without a QR identification module replaces the second QR code generation and transmission process generated in the process of transmitting and receiving information of the receiving terminal 110 using the server 120.
- the information transmission/reception system 100 including a device without a QR identification module can be used in an existing POS system (a general desktop PC or a terminal with a display device already in use) with no QR identification module or limited use of the camera, thereby greatly expanding scalability. There is an advantage that can be secured.
- the information transmission/reception system 100 including a device without a QR identification module can be used when shopping or payment or secure login after shopping on a general monitor (desktop PC) rather than a smartphone. It shows the first QR code and the second QR code on the screen without installing a separate security program, and the identification of the QR code can be processed by the user's smartphone, so it can have security and expandability compared to the previous method.
- the components included in the receiving terminal 110, the server 120, and the transmitting terminal 130 without the QR identification module will be described in the information transmission/reception system 100 including the device without the QR identification module. Let's explain what the element works.
- FIG. 2 is a diagram illustrating components of a receiving terminal, a server, and a transmitting terminal included in an information transmission/reception system using a QR code including a transmitting terminal without a QR identification module, as an embodiment of the present invention.
- the receiving terminal 110 may be configured to include a QR scan module 111, an input/output unit (touch screen) 112, a control module 113, and a wireless communication module 114.
- the QR scanning module 111 of the receiving terminal 110 is configured to scan a QR code that embeds information.
- the input/output unit (touch screen) 112 of the receiving terminal 110 receives an output signal under the control of the control module 113 and outputs the received output signal as an image.
- the input/output unit (touch screen) 112 receives the user's touch and outputs an input signal to the control module 113, and the control module 113 performs an operation according to the input signal.
- control module 113 of the receiving terminal 110 uses the information obtained by scanning the QR code, obtains encryption information, decryption information, and information data, and displays the contents of the input/output unit (touch screen) 112 It is configured to display through.
- the control module 113 of the reception terminal 110 recognizes the first QR code including the transmission terminal identification information from the transmission terminal, and transmits the transmission terminal identification information to the server, and the transmission terminal identification information Based on receiving the encryption information of the transmitting terminal from the server, and transmits the encryption information of the receiving terminal to the server, is generated through the encryption information of the receiving terminal, and receives a second QR code containing the information data from the transmitting terminal , Decrypts the second QR code with the decryption information of the receiving terminal, obtains the information data, encrypts the information data through the encryption information of the transmitting terminal without the QR identification module, transmits it to the server 120, and the server 120 It can be controlled to receive from the receiving terminal 110 and the determination information about whether the information data transmitted to the transmitting terminal 130 without the QR identification module is the same.
- the wireless communication module 114 of the receiving terminal 110 is responsible for transmitting and receiving information between the server 120 and the transmitting terminal 130 without the QR identification module in the process of transmitting and receiving information.
- the receiving terminal 110 may be one of a smart phone, a tablet PC, and a PMP, or may be configured as a dedicated terminal.
- the transmitting terminal 130 without the QR identification module may be configured to include an input/output unit (touch screen) 131, a control module 132, and a wireless communication module 133.
- the input/output unit (touch screen) 131 of the transmission terminal 130 without the QR identification module receives an output signal under the control of the control module 132, and outputs the received output signal as an image.
- the input/output unit (touch screen) 131 receives a user's touch and outputs an input signal to the control module 132, and the control module 132 performs an operation according to the input signal.
- the control module 132 of the transmitting terminal 130 without the QR identification module uses the information obtained by scanning the QR code, obtains encryption information, decryption information, and information data, and inputs and outputs the contents indicating it (touch screen ) (131).
- the control module 132 of the transmitting terminal 130 without the QR identification module transmits the first QR code including the transmitting terminal identification information to the receiving terminal 110 by the transmitting terminal 130 without the QR identification module. 1 Based on the QR code, acquires the identification information of the receiving terminal and the encryption information of the receiving terminal from the server, encrypts the information data through the encryption information of the receiving terminal, transmits it to the terminal 1, and transmits the information data to the encryption information of the transmitting terminal. It can be controlled to be transmitted to the server through encryption, and receive judgment information on whether the information data transmitted to the receiving terminal 110 and the transmitting terminal 130 without the QR identification module are the same from the server 120. .
- the transmitting terminal 130 without the QR identification module transmits and receives information between the server 120 and the receiving terminal 110 in a simple information transmission/reception process. It plays a role.
- the transmission terminal 130 without such a QR identification module may be any one of a smart phone, a tablet PC, and a PMP, or may be configured as a dedicated terminal.
- the server 120 may be configured to include a control unit and a communication module.
- each receiving terminal 110 of the information transmitting and receiving system 100 including the device without the QR identification module and the transmitting terminal 130 without the QR identification module will be described.
- FIG. 3 is a diagram illustrating an operation of a receiving terminal of an information transmitting and receiving system using a QR code including a transmitting terminal without a QR identification module as an embodiment of the present invention.
- the receiving terminal 110 may recognize the first QR code including the transmitting terminal identification information from the transmitting terminal (S310).
- the receiving terminal 110 may transmit the transmitting terminal identification information to the server (S320).
- the reception terminal 110 may receive encryption information of the transmission terminal based on the transmission terminal identification information from the server (S330).
- the receiving terminal 110 may transmit the encryption information of the receiving terminal to the server (S340).
- the receiving terminal 110 is generated through the encryption information of the receiving terminal, and may receive a second QR code including information data from the transmitting terminal (S350).
- the receiving terminal 110 may encrypt the information data through the encryption information of the transmitting terminal and transmit it to the server 120 (S360).
- the receiving terminal 110 may receive determination information on whether the information data transmitted to the receiving terminal 110 and the transmitting terminal 130 without the QR identification module are the same from the server 120 (S370). When the determination information on whether the same received from the server 120 indicates that the information data has been correctly transmitted, the receiving terminal 110 may change the mode to the standby state of information transmission and reception. When the determination information on whether the same received from the server 120 indicates that the information data transmitted by the receiving terminal 110 and the information data transmitted by the transmitting terminal 130 without the QR identification module are not the same, the receiving terminal (110) can be received by including the reason of the information transmission failure along with the failure to transmit and receive information, the receiving terminal 110 again executes or executes one step within S110 to S170 again for receiving information data You can redo the receiving process.
- FIG. 4 is a view showing an operation of a transmitting terminal of an information transmitting and receiving system using a QR code including a transmitting terminal without a QR identification module as an embodiment of the present invention.
- the transmitting terminal 130 without the QR identification module may transmit the first QR code including the transmitting terminal identification information to the receiving terminal 110 (S410).
- the transmitting terminal 130 without the QR identification module may receive the first receiving terminal identification information and the encryption information of the receiving terminal from the server (S420).
- the transmitting terminal 130 without the QR identification module may generate the second QR code by encrypting the information data through the encryption information of the receiving terminal (S430).
- the transmitting terminal 130 without the QR identification module may encrypt the information data through the encryption information of the transmitting terminal and transmit it to the server (S440).
- the transmitting terminal 130 without the QR identification module may transmit the second QR code to the receiving terminal 110 (S450).
- the transmitting terminal 130 without the QR identification module may receive determination information on whether the information data transmitted to the receiving terminal 110 and the transmitting terminal 130 without the QR identification module are the same from the server 120 ( S460). When the determination information on the sameness received from the server 120 indicates that the information data has been correctly transmitted, the transmission terminal 130 without the QR identification module may change the mode to the information transmission/reception standby state.
- QR identification The transmission terminal 130 without a module can receive by including the reason of the information transmission failure together with the failure to transmit and receive information, and the transmission terminal 130 without the QR identification module is one within S110 to S170 for transmitting information data again. The steps of can be executed again or the transmission process after the executed step can be executed again.
- the information transmission/reception system 100 including a device without a QR identification module may be used as a simple payment system when the transmitted information data is payment information.
- the simple payment system is configured to acquire product/payment information by scanning a QR code provided in all on/offline stores using a user terminal without a separate credit card.
- the payment server can receive the delivery without the need for a separate member registration/login, etc., but can receive the payment through credit card information or a smartphone number registered in advance in the user terminal to complete payment through payment processing by a credit card company or mobile communication company . It is very convenient and eco-friendly because the user does not need to have a credit card and does not need to receive a paper receipt. And even in the case of offline stores, you can use the QR code provided for each product without needing a card inquiry machine.
- the payment server has the advantage that there is no risk of leakage of personal information, since there is no separate membership/login procedure.
- the simple payment system may consist of a user terminal, a payment server, and a payment terminal.
- the simple payment system corresponds to the information transmission/reception system 100 including a device without a QR identification module
- the user terminal corresponds to the reception terminal 110
- the payment server corresponds to the server 120
- the payment terminal identifies the QR It may correspond to the transmission terminal 130 without a module.
- the user terminal, the payment server, and the payment terminal may perform all the operations of the receiving terminal 110, the server 120, and the transmitting terminal 130 without the QR identification module.
- a'public key encryption algorithm' using different keys for encryption and decryption may be used.
- The'public key encryption algorithm' is also referred to as an asymmetric key encryption algorithm due to the characteristic that different keys are used for encryption and decryption.
- This'public key encryption algorithm' generates two keys through a key generation algorithm, reveals one of them as if a phone number is disclosed in the phone book, and stores the other as a private key for use. For example, if'A' wants to send a document to'B','A' encrypts the document using the public key of the public'B', and'B' encrypts the received ciphertext. It will be released with a private key. Therefore, the user of the'public key cryptographic algorithm' only needs to manage his/her own private key regardless of the number of people who want to exchange mutual information.
- a representative example of the'public key cryptographic algorithm' is the Rivest-Shamir-Adleman (RSA) algorithm.
- RSA Rivest-Shamir-Adleman
- private and public keys are generated by a predetermined key generation algorithm.
- the process of selecting the private key and public key in the RSA algorithm is as follows.
- FIG. 5 is a view showing an information transmission/reception system using a QR code in communication between terminals, according to an embodiment of the present invention.
- an information transmission/reception system 200 using a QR code in communication between terminals is a receiving terminal 210 ), it may be configured to include a transmitting terminal (220).
- Communication between terminals in the present invention refers to communication between devices, and means an exchange system capable of directly transmitting and receiving calls and information between devices at a short distance without the help of a radio relay facility.
- a communication system capable of making a call even if the radio relay facility such as a base station does not operate properly or does not exist at all is an example of communication between terminals.
- Recently,'LTE D2D' technology which is an example of communication between terminals, enables communication devices within a short distance to communicate with LTE.
- LTE D2D is expected to create a variety of new services. This includes location-based social network services (SNS), criminal information transmission in specific areas, mobile advertising in new ways, and communication between vehicles.
- SNS location-based social network services
- the communication between terminals in the present invention includes communication between all terminals and devices that are currently available or will be available in the future including D2D communication.
- the information transmission/reception system 200 using a QR code between terminals is configured to scan the QR code and obtain the information data transmitted from the transmitting terminal 220 by the receiving terminal 210.
- the information transmission/reception system 200 using a QR code between terminals may transmit not only information data, but information used for transmission and reception in the information transmission and reception process.
- the receiving terminal 210 is a terminal that receives information data from the information transmitting and receiving system 200 using a QR code between terminals.
- the receiving terminal 210 may be configured to also serve as a role of transmitting received information data or other information data before or after receiving the information data.
- the receiving terminal 210 may be any terminal including a communication function such as a smart phone, a tablet PC, a laptop, or may be configured as a dedicated terminal used for the information transmission/reception system 200 using a QR code between terminals.
- the transmission terminal 220 is a terminal that transmits information data from the information transmission/reception system 200 using a QR code between terminals.
- the transmitting terminal 220 may be configured to also serve as a role of receiving information data or other information data to be transmitted before or after transmitting the information data.
- the transmitting terminal 220 may be any terminal including a communication function such as a smart phone, a tablet PC, a laptop, or may be configured as a dedicated terminal used for the information transmission/reception system 200 using a QR code between terminals.
- the information transmission/reception system 200 using a QR code between terminals may be configured not to include a server. Accordingly, the information transmission/reception system 200 using a QR code between terminals can be used in a field requiring data processing using a QR code between terminals without a server.
- the receiving terminal 210 may recognize the first QR code of the transmitting terminal 220 (S510).
- the receiving terminal 210 may receive the transmitting terminal identification information corresponding to the transmitting terminal 220 by recognizing the first QR code.
- the receiving terminal 210 may receive the transmitting terminal identification information and generate a second QR code including the receiving terminal identification information for transmission to the transmitting terminal 220 (S520).
- the receiving terminal 210 may transmit the generated second QR code to the transmitting terminal 220 (S530).
- the transmitting terminal 220 may acquire (receive) the identification information of the receiving terminal by recognizing (receiving) the second QR code generated in the receiving terminal 210 with the QR scanning module or camera of the transmitting terminal 220 (S540 ).
- the transmitting terminal 220 may generate a third QR code including transmission data for transmitting to the receiving terminal 210 through the receiving terminal identification information (S550).
- the transmitting terminal 220 may transmit the third QR code to the receiving terminal 210 (S560).
- the receiving terminal 210 may receive the third QR code and acquire transmission data included in the third QR code.
- the information transmission/reception system 200 using a QR code in terminal communication may be used in a field requiring data processing using a QR code between terminals without a server.
- the information transmission/reception system 200 using a QR code in terminal-to-terminal communication may be applied in a field where security is not required by removing encryption.
- the information transmission/reception system 200 using a QR code in communication between terminals is a simple two-way data transmission/reception method where security is used for access authentication, login, etc., or where there is a limitation in the use of wireless local area communication (NFC or RFID). It is possible to use alternatives.
- the information transmission/reception system 200 using a QR code in communication between terminals includes a'identification code' for determining the type of data in the first QR or the second QR code, and the identification codes are “URL”, “ID”, The type of data such as “HASH” may be previously provided to the receiving terminal 210.
- This identification code can be applied so that only the allowed data can be selectively read by setting the authority in advance in the transmitting/receiving device (such as oAuth, a public technology, it can be applied to strengthen security for delegating access).
- the information transmission/reception system 200 using a QR code in terminal-to-terminal communication does not encrypt only the identification information, and the exchanged data itself can be encrypted and transmitted and received, so it can be used as a means for secondary authentication.
- FIG. 6 is a diagram illustrating components of a receiving terminal and a transmitting terminal included in an information transmission/reception system using a QR code in communication between terminals, as an embodiment of the present invention.
- the receiving terminal 210 may be configured to include a QR scan module 211, an input/output unit (touch screen) 212, a control module 213, and a wireless communication module 214.
- the QR scanning module 211 of the receiving terminal 210 is configured to scan a QR code embedding information.
- the input/output unit (touch screen) 212 of the reception terminal 210 receives an output signal under the control of the control module 213, and outputs the received output signal as an image.
- the input/output unit (touch screen) 212 receives a user's touch and outputs an input signal to the control module 213, and the control module 213 performs an operation according to the input signal.
- control module 213 of the receiving terminal 210 uses the information obtained by scanning the QR code, obtains information and information data used for information transmission and reception, and displays the contents of the input/output unit (touch screen) 212 ).
- the control module 213 of the receiving terminal 210 recognizes the first QR code including the transmitting terminal identification information from the transmitting terminal 220, and the second QR code including the receiving terminal identification information. By generating and transmitting to the transmitting terminal 220, it is possible to control to obtain information data by receiving a third QR code including the information data from the transmitting terminal 220.
- the wireless communication module 214 of the receiving terminal 210 is responsible for the receiving terminal 210 transmitting and receiving information between the transmitting terminals 220 in the process of transmitting and receiving information.
- the receiving terminal 210 may be any one of a smart phone, a tablet PC, and a PMP, or may be configured as a dedicated terminal.
- the transmitting terminal 220 may be configured to include a QR scan module 221, an input/output unit (touch screen) 222, a control module 223, and a wireless communication module 224.
- the QR scanning module 221 of the transmitting terminal 220 is configured to scan a QR code that embeds information.
- the input/output unit (touch screen) 222 of the transmission terminal 220 receives an output signal under the control of the control module 223, and outputs the received output signal as an image.
- the input/output unit (touch screen) 222 receives the user's touch and outputs an input signal to the control module 223, and the control module 223 performs an operation according to the input signal.
- the control module 223 of the transmitting terminal 220 uses the information obtained by scanning the QR code to obtain information and information data used for information transmission and reception, and displays the contents of the input/output unit (touch screen) 222 It is configured to display through.
- the control module 223 of the transmitting terminal 220 transmits the first QR code including the transmitting terminal identification information to the receiving terminal 210, and the identification of the receiving terminal based on the first QR code It may be controlled to receive a second QR code including information, and to transmit the information data to the transmitting terminal 220.
- the wireless communication module 224 of the transmitting terminal 220 is responsible for transmitting and receiving information between the receiving terminals 210 in the simple information transmitting and receiving process.
- the transmitting terminal 220 may be any one of a smart phone, a tablet PC, and a PMP, or may be configured as a dedicated terminal.
- FIG. 7 is an embodiment of the present invention, a diagram showing the operation of the receiving terminal of the information transmission and reception system using a QR code between terminals.
- the receiving terminal 210 may recognize the first QR code including the transmitting terminal identification information from the transmitting terminal (S720).
- the receiving terminal 210 may generate a second QR code including the receiving terminal identification information (S730).
- the receiving terminal 210 may transmit the second QR code to the transmitting terminal 220 (S730).
- the receiving terminal 210 may receive a third QR code including transmission data from the transmitting terminal (S740).
- the receiving terminal 210 may receive information data through a third QR code (S750).
- FIG. 8 is an embodiment of the present invention, a view showing the operation of the transmitting terminal of the information transmission and reception system using a QR code between terminals.
- the transmitting terminal 220 may transmit the first QR code including the transmitting terminal identification information to the receiving terminal 210 (S810).
- the transmitting terminal 220 may receive a second QR code including the receiving terminal identification information from the receiving terminal 210 (S820).
- the transmitting terminal 220 may acquire the receiving terminal identification information (S830).
- the transmitting terminal 220 may generate a third QR code including transmission data for transmitting to the receiving terminal 210 (S840).
- the transmitting terminal 220 may transmit the third QR code to the receiving terminal 210 (S850).
- the steps of a method or algorithm described in connection with an embodiment of the present invention may be implemented directly in hardware, a software module executed by hardware, or a combination thereof.
- the software modules may include Random Access Memory (RAM), Read Only Memory (ROM), Erasable Programmable ROM (EPROM), Electrically Erasable Programmable ROM (EEPROM), Flash Memory, Hard Disk, Removable Disk, CD-ROM, or It may reside on any type of computer readable recording medium well known in the art.
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Abstract
Description
Claims (7)
- 제2 단말의 식별 정보를 포함하는 제1 QR 코드를 제2 단말로부터 수신하는 단계;상기 제2 단말의 식별 정보를 서버에 전송하는 단계;상기 제2 단말의 식별 정보에 상응하는 상기 제2 단말의 암호화 정보를 상기 서버로부터 수신하는 단계;제1 암호 정보를 생성하되, 상기 제1 암호 정보는, 상기 제2 단말의 암호화 정보를 이용하여 제1 단말의 암호화 정보를 암호화한 정보인 단계;상기 제1 암호 정보를 상기 제2 단말에 전송하는 단계;상기 제1 단말의 암호화 정보를 이용하여 암호화한 정보 데이터를 포함하는 제2 QR 코드를 상기 제2 단말로부터 수신하는 단계;상기 제2 QR 코드에 기록된 상기 정보 데이터를 제1 단말의 복호화 정보로 복호화하여 획득하는 단계;상기 정보 데이터를 제2 단말의 암호화 정보를 이용하여 암호화하여 상기 서버에 전송하는 단계; 및상기 서버로부터 판단 정보를 수신하는 단계를 포함하고,상기 판단 정보는 상기 제1 단말과 상기 제2 단말로부터 상기 서버로 각각 전송된 정보 데이터간 동일 여부에 대한 판단 정보이며,상기 서버로부터 판단 정보를 수신하는 단계는,상기 서버가 상기 제1 단말로부터 수신한 정보 데이터를 상기 제2 단말의 복호화 정보를 이용하여 복호화하는 단계; 및상기 서버가 상기 제2 단말로부터 수신한 정보 데이터를 상기 제2 단말의 복호화 정보를 이용하여 복호화하는 단계를 포함하는 것을 특징으로 하는, QR 코드를 이용한 정보 송수신 방법.
- 제1항에 있어서,상기 동일 여부에 대한 판단 정보가 동일함을 나타내는 경우, 상기 정보 데이터가 정확하게 수신됨을 확인하는 단계; 및상기 동일 여부에 대한 판단 정보가 동일함을 나타내지 않는 경우, 상기 정보 데이터가 정확하게 수신되지 않음을 확인하는 단계를 더 포함하는 것을 특징으로 하는, QR 코드를 이용한 정보 송수신 방법.
- 제2항에 있어서,상기 정보 데이터가 정확하게 수신되지 않은 경우, 상기 제2 단말로부터 다시 상기 제1 QR코드를 수신하는 것을 특징으로 하는, QR 코드를 이용한 정보 송수신 방법.
- 제2 단말의 식별 정보를 포함하는 제1 QR코드를 전송하는 단계;제1 암호 정보를 수신하되, 상기 제1 암호 정보는, 제1 QR 코드에 기초하여 제1 단말의 암호화 정보를 상기 제2 단말의 암호화정보를 이용하여 암호화한 정보인 단계;상기 제2 단말의 복호화 정보를 통해 상기 제1 암호 정보를 복호화하여, 제1 단말의 암호화 정보를 획득하는 단계;정보 데이터를 상기 제1 단말의 암호화 정보를 이용하여 암호화하여, 암호화된 정보 데이터를 생성하는 단계;상기 암호화된 정보 데이터를 기초로 제2 QR 코드를 생성하는 단계;상기 제2 QR 코드를 상기 제1 단말에 전송하는 단계;상기 정보 데이터를 제2 단말의 암호화 정보를 이용하여 암호화하여 서버에 전송하는 단계; 및상기 서버로부터 판단 정보를 수신하는 단계를 포함하고,상기 판단 정보는 상기 제1 단말과 상기 제2 단말로부터 상기 서버로 각각 전송된 정보 데이터간 동일 여부에 대한 판단 정보이며,상기 서버로부터 판단 정보를 수신하는 단계는,상기 서버가 상기 제1 단말로부터 수신한 정보 데이터를 상기 제2 단말의 복호화 정보를 이용하여 복호화하는 단계; 및상기 서버가 상기 제2 단말로부터 수신한 정보 데이터를 상기 제2 단말의 복호화 정보를 이용하여 복호화하는 단계를 포함하는 것을 특징으로 하는, QR코드를 이용한 정보 송수신 방법.
- 제4항에 있어서,상기 동일 여부에 대한 판단 정보가 동일함을 나타내는 경우, 상기 정보 데이터가 정확하게 수신됨을 확인하는 단계; 및상기 동일 여부에 대한 판단 정보가 동일함을 나타내지 않는 경우, 상기 정보 데이터가 정확하게 수신되지 않음을 확인하는 단계를 더 포함하는 것을 특징으로 하는, QR 코드를 이용한 정보 송수신 방법.
- 제5항에 있어서,상기 정보 데이터가 정확하게 수신되지 않은 경우, 상기 제1 단말에 다시 상기 제1 QR코드를 전송하는 것을 특징으로 하는, QR 코드를 이용한 정보 송수신 방법.
- 제1항에 있어서,상기 제1 암호 정보를 상기 제2 단말에 전송하는 단계는,상기 제1 암호 정보를 상기 서버로 전송하는 단계; 및상기 서버가 상기 제1 암호 정보를 상기 제2 단말로 전송하는 단계를 포함하는 것을 특징으로 하는, QR 코드를 이용한 정보 송수신 방법.
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- 2019-10-08 CN CN201980078031.XA patent/CN113169867B/zh active Active
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2021
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CN113169867A (zh) | 2021-07-23 |
JP2022508230A (ja) | 2022-01-19 |
KR102050823B1 (ko) | 2019-12-03 |
SG11202105580SA (en) | 2021-06-29 |
CN113169867B (zh) | 2022-05-31 |
JP7071776B2 (ja) | 2022-05-19 |
US11367078B2 (en) | 2022-06-21 |
US11972435B2 (en) | 2024-04-30 |
US20210357946A1 (en) | 2021-11-18 |
US20220114596A1 (en) | 2022-04-14 |
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