WO2001048648A1 - Systeme de communication et poste de communication a cet effet - Google Patents

Systeme de communication et poste de communication a cet effet Download PDF

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Publication number
WO2001048648A1
WO2001048648A1 PCT/JP2000/009356 JP0009356W WO0148648A1 WO 2001048648 A1 WO2001048648 A1 WO 2001048648A1 JP 0009356 W JP0009356 W JP 0009356W WO 0148648 A1 WO0148648 A1 WO 0148648A1
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WO
WIPO (PCT)
Prior art keywords
terminal device
information
communication
confirmation
confirmation information
Prior art date
Application number
PCT/JP2000/009356
Other languages
English (en)
Japanese (ja)
Inventor
Michio Nagashima
Takaaki Matsumoto
Kazumi Morinaga
Katsuma Fujii
Masami Ogoshi
Original Assignee
Zetabits Inc.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zetabits Inc. filed Critical Zetabits Inc.
Priority to AU24038/01A priority Critical patent/AU2403801A/en
Publication of WO2001048648A1 publication Critical patent/WO2001048648A1/fr

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Classifications

    • 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
    • G06Q30/00—Commerce
    • G06Q30/06—Buying, selling or leasing transactions

Definitions

  • the present invention relates to a communication system for performing, for example, electronic commerce and a communication terminal device used for the communication system.
  • the information read from the customer's card and the information of the personal identification number are transmitted to a predetermined management center via a telephone line, and the management center, based on the transmitted information, determines whether the customer presenting the card has a valid place.
  • the management center After performing collation processing such as whether or not it is a voter, if it is determined that the owner is a valid owner, information such as the determination result is returned to the communication terminal device in the store via a telephone line.
  • the clerk checks the returned information he or she accepts the purchase of the product using the customer's card without selling cash and sells the product.
  • the present invention has been made in order to overcome such a conventional problem, and enables a person who intends to perform electronic payment and the like to process the information under his / her own control, and to provide secret information to an unauthorized third party. It is an object of the present invention to provide a communication system capable of preventing leakage of communication and the like and a communication terminal device used for the communication system. Disclosure of the invention
  • a communication system includes first and second terminal devices and management means, and has a first owner who owns the first terminal device and owns the second terminal device. Confirmation information having inter-owner information generated by an act with the second owner is transferred to the above-mentioned management means, and the above-mentioned management means transfers the above-mentioned inter-owner information contained in the transferred confirmation information.
  • the management means confirms the act between the owners based on the act information in the confirmation information, the information of the confirmation And transmitting the result information including the report to the first terminal device via the second terminal device.
  • the communication system of the present invention according to claim 2 is the communication system according to claim 1, wherein the first terminal device adds its own signature information to the confirmation information and transfers the information to the second terminal device.
  • the confirmation information is information returned from the management means.
  • the second terminal device appends its signature information to the confirmation information from the first terminal device and transfers the information to the management means, and the management means reads the confirmation information from the transmitted confirmation information. Confirming the action between the owners based on the signature information of the first and second terminal devices, adding their own signature information to the result information, and returning the result information to the second terminal device.
  • the communication system of the present invention according to claim 4 is the communication system according to claim 3, wherein the second terminal device adds information of a current time to the confirmation information from the first terminal device. The information is transferred to the management means.
  • the first terminal device adds its own identification information to the confirmation information and transfers the identification information to the second terminal device.
  • the second terminal device adds its own identification information to the confirmation information from the first terminal device and transfers the information to the management unit.
  • a communication system is the communication system according to any one of the first to fifth aspects, wherein the first and second terminal devices and the management unit are configured to transmit the confirmation information and the When the result information is encrypted by a predetermined encryption method and transferred, In addition, it is characterized in that each of the confirmation information and the result information is decoded by a predetermined decoding method.
  • communication is always performed with the second terminal device interposed between the first terminal device and the management means.
  • the user receives the second terminal device from the first terminal device side.
  • confirmation information such as sales confirmation is transferred to the management means and the user is confirmed
  • the confirmation information is transferred to the management means via the user's second terminal device (relay).
  • the management means confirms and returns the result information, it is returned to the first terminal via the user's second terminal (relay).
  • the user can check the information passing through the second terminal device.
  • payment can be made in a closed communication system between the first and second terminal devices and the management means, and the protection of confidential information of users and the protection of information related to sales by sellers are extremely reliable. It can be realized with the nature.
  • the communication terminal device of the present invention comprising a terminal device and management means, wherein an owner generated by an act between a first owner who owns the terminal device and another second owner. Transfer the confirmation information having the inter-information from the terminal device to the management means, and confirm the action between the owners based on the inter-owner information included in the transferred confirmation information by the management means. And a communication terminal device owned by the second owner used in the communication system configured to return result information of the confirmation to the terminal device, wherein the communication terminal device is transferred from the terminal device to the management means. It is characterized in that the confirmation information is relayed and transferred to the management means, and the result information returned from the management means to the terminal device is relayed and transferred to the terminal device.
  • the communication terminal device is the communication terminal device according to the eighth aspect, wherein the first transmitting / receiving means for performing bidirectional communication with the first terminal device, and the management means And a second transmitting / receiving means for performing two-way communication with the device, and transmitting the confirmation information and the result information through the first and second transmitting / receiving means.
  • the second transmitting / receiving means for performing bidirectional communication with the management means is detachable. It is a module.
  • communication is always performed between the terminal device and the management means with the communication terminal device of the present invention interposed.
  • the terminal device side confirms information such as sales confirmation. Is transferred to the management means side to confirm the user, the confirmation information is transferred to the management means side via the user's communication terminal device (relay). Also, when the management means confirms and returns the result information, it is returned to the seller's terminal via the user's communication terminal (relay).
  • the user can check the information via the communication terminal device.
  • payment can be performed in a closed communication system between the communication terminal device of the present invention, the terminal device, and the management means, and protection of confidential information of users and protection of information on sales of sellers can be achieved. It can be realized with extremely high reliability.
  • FIG. 2 is a block diagram showing a configuration of a central management center according to the embodiment of the present invention.
  • FIG. 3 is a block diagram showing the configuration of the store terminal device according to the embodiment of the present invention. You.
  • FIG. 4 is a block diagram showing a configuration of the user terminal device according to the embodiment of the present invention.
  • FIG. 6 is a plan view showing an external configuration of a user terminal device having a detachable module.
  • this communication system is a central management center installed in a management company, etc.
  • a settlement center 2 that performs final settlement processing between the central management center 1, a user terminal device 3 owned by a user such as a customer, and a store terminal device 4 installed in a store or the like.
  • the central management center 1 is called a NOC (Network Operation Center) and communicates with the settlement terminal 2 and with the user terminal device 3 to perform, for example, a process for a commercial transaction described later.
  • NOC Network Operation Center
  • the user terminal device 3 manages communication between the central management center 1 and the store terminal device 4, and, for example, in the case of a commercial transaction to be described later, it is necessary for the commercial transaction between the user and the central management center 1 and the store terminal device 4 to be performed. It has a function to manage the transfer of various types of information from an independent standpoint. That is, in the communication system shown in FIG. 1, the user terminal device 3 is located between the central management center 1 and the shop terminal device 4. As a result, the information communication between the central management center 1 and the store terminal device 4 has a system configuration in which the user terminal device 3 is interposed.
  • the store terminal device 4 when a customer (user) purchases a product, a store clerk or the like performs processing such as requesting the central management center 1 for customer authentication and final settlement. However, as described above, various requests from the shop terminal device 4 to the central management center 1 and information returned in response to the requests are performed via the user terminal device 3.
  • the settlement center 2 When a user makes a commercial transaction with a seller or the like who owns the store terminal device 4 using the user terminal device 3, the settlement center 2 sends information indicating that the commercial transaction has been performed to the central management center 1. If supplied from, it will act for final settlement processing.
  • the telephone line communication unit 9 modulates the data supplied from the control unit 5 and supplies the data to the transmission / reception unit 10, and demodulates the data supplied from the transmission / reception unit 10 and supplies the data to the control unit 5.
  • the transmission / reception unit 10 transmits the modulated data from the telephone line communication processing unit 9 to the mobile telephone network NT1, and receives the data from the mobile telephone network NT1 and transfers it to the telephone line communication processing unit 9. I do.
  • the control unit 5 centrally manages the entire store terminal device 4.
  • the key management unit 15 performs data encryption and decryption processing.
  • the input unit 16 is formed of a keyboard touch panel or the like for a store clerk to input data
  • the display unit 17 is formed of, for example, a liquid crystal display or the like.
  • the communication processing section 18 modulates the data supplied from the control section 13 and supplies the modulated data to the transmission / reception section 19, and demodulates the data from the transmission / reception section 19 and supplies the data to the control section 13.
  • the transmission / reception unit 19 performs bidirectional communication with the user terminal device 3 via either the wireless antenna 20 or the optical communication port 21. In the present embodiment, communication with the user terminal device 3 is performed wirelessly, but communication may be performed using a wire. In FIG.
  • the user terminal device 3 includes a control unit 22, a memory unit 23, an input unit 24, a display unit 25, a telephone line communication processing unit 27, and a transmission / reception unit 28.
  • the control section 29 includes a control section 29, a memory section 30, a key management section 31, a communication processing section 32, and a transmission / reception section 33.
  • the first control unit 22 centrally manages the operation of the entire user terminal device 3 and, via the telephone line communication processing unit 27, the transmission / reception unit 28, and the wireless antenna 34, the mobile telephone network. Two-way communication with Central Management Center 1 via NT1.
  • the first control unit 22 when the user operates the operation buttons or the like of the input unit 24 to give a command for the telephone function, the first control unit 22 performs a wireless communication process according to the command. Further, when the user operates the operation buttons or the like of the input unit 24 to issue a command for electronic payment, the first control unit 22 controls the second control unit 29 in accordance with the command, and the store terminal device 4 It communicates with the central management center 1 via the mobile communication telephone network NT1.
  • the control unit 13 combines the above-mentioned encrypted random number data RDSH0P, store identification data IDSHOP, and sales data DSEL to create sales message data DTSEL (step S108).
  • step S114 the key management unit 15 stores the secret of the store in the sales message data DTSEL.
  • An electronic signature is performed using the key DKYSHOP, and signed sales message data DSELsig is generated (step S114).
  • the store terminal device 4 performs the processing of steps S100 to S116 as described above, thereby ensuring the security of the information related to the commercial transaction and ensuring the legitimate commercial transaction.
  • ⁇ really communicating with the central management center 1 '' Or whether the user terminal device 3 has not been completed at the central management center 1.
  • the store can confirm the strength. 1 receives the sales message data DSELsig via the user terminal device 3 and decrypts the encrypted random number data RD SHOP with the secret key DKYSHOP of the store known only by the central management center 1 to obtain the same random number RD.
  • the processing result message data to store terminal device 4 is embedded in DRTN and returned.
  • the PIN code cannot be leaked to the user terminal device 3 or the central management center 1.
  • the security of the secret information on the side of the store terminal device 4 is enhanced.
  • step S200 the transmitted sales message data DSELsig is received by the transmission / reception unit 2.
  • the display unit 25 displays the sales data D SEL in the received sales message data D SELs ig and a display for confirming whether or not there is an intention to purchase the product (step S202).
  • step S203 when the user inputs a purchase intention using the input unit 24, the control unit 2 confirms the purchase intention (step S204), and if there is a purchase position, the process proceeds to step S206.
  • the control unit 2 detects this and the processing is terminated, and the negotiation is not established.
  • step S206 the control unit 29 adds data (hereinafter, referred to as duplicate detection data) DTM representing a value for duplicate detection to the sales message data DSELsig. Further, the control unit 29 adds the user identification data IDUSER to the sales message data DSELsig (step S208).
  • duplicate detection data data representing a value for duplicate detection
  • IDUSER user identification data
  • step S210 when the user inputs the PIN code from the input unit 24 (step S210), the key management unit 31 confirms the validity of the PIN code (step S212), and when the PIN code is incorrect (step S210). If “incorrect”, the process proceeds to step S210 for re-input, and if the validity of the PIN code is confirmed (if “correct”), the process proceeds to step S21.
  • step S2114 the key management unit 31 digitally signs the sales message data DSELsig with the user's private key DKYUSER, thereby generating electronically signed sales message data DSELUSERsigl. Further, the signed sales message data DSELUSERsig2 is generated by encrypting the signed sales message data DSELUSERsig1 with the NOC public key DKYN0C0PEN (step S216).
  • step S 218 the control unit 22 sends the sales message data D SELUSERsig2 is transferred to the telephone line communication processing unit and the transmission / reception unit 28, and is transmitted to the central management center 1 via the mobile telephone network NT1.
  • the user can know that correct sales information has been transmitted from the shop terminal device 4 to the central management center 1. That is, since the display unit 25 of the user terminal device 3 displays the sales data DSEL generated by the store terminal device 4 (see step S202), the user (customer) can store the sales data of the correct product price at the store side. You can check whether you have entered it.
  • the PIN code does not leak to the store terminal device 4 or the central management center 1. As a result, higher safety (toughness) is realized compared to the conventional forced cashless system.
  • step S300 the central management center 1 receives the sales message data DSELUSERsig2 from the user terminal device 3 through the transmission / reception unit 10. Then, the key management unit 8 decrypts the sales message data DSELUSERsig2 with the secret key data DKYN0C of the central management center 1 (step S302).
  • control unit 5 extracts the user identification data IDUSER from the decrypted sales message data and searches the public key database 7 (step S304). Furthermore, control The part 5 checks whether or not the user identification data ID USER exists in the public key database 7 (step S306), and if it does not exist, performs center-side error processing. On the other hand, if it exists, the process moves to the next step S307.
  • step S307 the duplication detection data DTM is checked. Then, it is determined whether or not the transmitted message information is duplicated. If the message information is duplicated, the center side error processing is performed. On the other hand, if the message is not duplicate message information, it is determined that the message is correct, and the process proceeds to the next step S308.
  • step S308 the control unit 5 retrieves the user's public key data D USEROPEN from the public key database 7 and verifies the user's electronic signature in the decrypted sales message data (step S312) ).
  • the electronic signature is incorrect, the center side error processing is performed.
  • the flow shifts to step S400 shown in FIG.
  • step S404 the control unit 5 retrieves the store's public key data DKYSH0P0PEN from the public key database 7, and then verifies the store's electronic signature of the sales message data (step S406). Then, it is determined whether or not the electronic signature is correct (step S408). If the electronic signature is not correct, the center side error processing is performed. On the other hand, if it is correct, the flow shifts to the next step S410.
  • step S410 the control unit 5 extracts the sales data D SEL and the transaction time data from the sales message data and stores them in the memory unit 6.
  • control unit 5 extracts the encrypted random number RD SHOP from the sales message data (step S412), and the key management unit 8 stores the random number RD SH0P in the secret key data of the central management center 1. Data is decrypted using the D KYNOC and stored in the memory (step S 414).
  • the store terminal device 4 and the user terminal device 3 are authenticated by an electronic signature using public key encryption. Therefore, the central management center 1 only needs to maintain the public keys DKYSHOPOPEN and DKYUSEROPEN of the store terminal device 4 and the user terminal device 3, and the secret key DKYNOC of the central management center 1. Since the public key does not need to be managed in secret due to its nature, the central management center 1 needs to securely maintain only the central management center 1 private key. This makes it easier to secure the security of the center than in the conventional system.
  • step S500 the control unit 5 combines the duplicate detection data DTM, the store identification data ID SH0P, the user identification data IDUSER, and the sales data DSEL to generate settlement message data DACK.
  • the settlement message data D ACK is transmitted to the settlement center 2 via the transmission / reception unit 2 and the network NT 2 (step S502).
  • step S504 so-called cash settlement is performed (step S504).
  • step S506 the control unit 5 checks the processing result in the settlement center 2, and further in step S508, the check is performed. If the result is a settlement error, the center performs error processing.
  • the processing in the following steps S510 to S518 is performed to create processing result message data DRTN to the user terminal device 3 and the shop terminal device 4.
  • step S510 the random number data stored in the memory unit 6 and transmitted from the store is encrypted with the store's public key data.
  • the encrypted random number, the payment message, and the result of the payment processing are combined to create processing result message data D RTN '(step S5 12).
  • the processing result message data D RTN ' is digitally signed with the secret key data of the central management center 1 (step S5 14), and the processing result By encrypting the entire message with the user's public key, processing result message data D RTN to be transmitted to the user terminal device 3 is generated (step S 5 16).
  • step S 518 the control unit 5 transmits the processing result message data D RTN to the user terminal device 3 via the mobile communication network NT 1 through the telephone line communication processing unit 9 and the transmission / reception unit 10. .
  • step S600 when the processing result message data D RTN is transmitted from the central management center 1 to the central user terminal device 3, the processing of steps S600 to S612 shown in FIG. 12 is performed.
  • the user terminal device 3 Upon receiving the processing result message data D RTN from the central management center 1 by the transmission / reception unit 28 (step S600), the user terminal device 3 uses this processing result message data D RTN.
  • step S602 After decryption with the private key of the third party (step S602), the validity is verified with the public key of the central management center 1 (step S604). Then, the verification result of step S606 is determined.
  • step S606 the verification result of step S606 is determined.
  • the electronic signature of the central management center 1 is incorrect, error processing is performed, and if it is correct, the procedure moves to the next step S610.
  • step S610 the processing result message data D Sales data DSEL in the RTN and the processing results of the central management center 1 and the settlement center 2 are displayed on the display unit 25 of the user terminal device 3. Show. Then, in step S612, the processing result message data D RTN decrypted with the public key of the user terminal device 3 is transmitted to the store terminal device 4 via the transmission / reception unit 28.
  • step S700 the store terminal device 4 receives the processing result message data D RTN from the user terminal device 3 through the transmission / reception unit 19.
  • the control unit 13 verifies the digital signature of the received processing result message data D RTN using the public key of the central management center 1 (step S702), and determines the verification result (step S700). Four ) .
  • the electronic signature is correct, the error processing is executed. If it is correct, go to the next step S706.
  • step S706 the encrypted random number RD SHOP in the processing result message D RTN is retrieved and decrypted with the secret key of the shop terminal device 3. Then, it is checked whether or not the decrypted random number RD 'is equal to the random number RD embedded in the sales message data D SEL by the store terminal device 3 (step S708), and if they are not equal, error processing is performed. . If they are the same, the flow shifts to the next step S710 to display the sales data DSEL in the processing result message data DRTN and the processing result data on the display unit 17.
  • the communication system of the present invention is configured to perform communication by always interposing, for example, a second terminal device used as a user terminal device between a first terminal device used as a store terminal device and management means. Therefore, information communication can be performed in a closed communication system between the first and second terminal devices and the management means. This makes it possible to protect personal confidential information and the like with extremely high reliability when conducting electronic commerce. That is, the confidential information of the owner of the second terminal device can be protected.
  • the communication terminal device of the present invention relays the confirmation information transferred from the terminal device used as the store terminal device to the management device and transfers it to the management device, and transfers the confirmation information from the management device to the terminal device used as the store terminal device. Since the returned result information is relayed and transferred to the terminal device, information communication can be performed in a closed communication system between the communication terminal device, the terminal device, and the management means of the present invention. This makes it possible to protect personal confidential information and the like with extremely high reliability when conducting electronic commerce. That is, it is possible to protect the private information of the owner who owns the communication terminal device of the present invention.

Abstract

L'invention porte sur un système et un terminal de communication permettant des transactions électroniques et un commerce électronique sûrs, tout en protégeant les informations personnelles confidentielles. Les informations relatives à une confirmation ou à son résultat sont transmis par un poste de magasin (4) à un centre de gestion (1) par le relais d'un poste d'utilisateur (3) Quand l'utilisateur achète un produit dans le magasin, dans le poste de magasin (4) crée et transmet une information de confirmation à laquelle est ajoutée une information sur la signature de l'utilisateur. A l'information de confirmation reçue par le poste d'utilisateur (3) on ajoute à nouveau l'information sur la signature de l'utilisateur, puis on la transmet au centre de gestion (1), qui après confirmation de l'information de confirmation, effectue la transaction avec un centre de transactions (2). La transaction faite, on transmet au poste de magasin (4) via le poste d'utilisateur (3) une information de résultat représentant les résultats transmis par le centre de gestion (1) en confirmation de la transaction par le magasin.
PCT/JP2000/009356 1999-12-28 2000-12-28 Systeme de communication et poste de communication a cet effet WO2001048648A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU24038/01A AU2403801A (en) 1999-12-28 2000-12-28 Communication system and communication terminal used therefor

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP37364799 1999-12-28
JP11-373647 1999-12-28

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WO2001048648A1 true WO2001048648A1 (fr) 2001-07-05

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Cited By (5)

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WO2003083745A1 (fr) * 2002-03-28 2003-10-09 Matsushita Electric Industrial Co., Ltd. Dispositif de traitement de service, et dispositif support de traitement
JP2006059030A (ja) * 2004-08-18 2006-03-02 Ntt Docomo Inc 決済システム
JP2016063533A (ja) * 2014-09-16 2016-04-25 キーパスコ アーベーＫｅｙｐａｓｃｏ ＡＢ 電子取引用のネットワーク認証方法
WO2021033477A1 (fr) * 2019-08-16 2021-02-25 フェリカネットワークス株式会社 Dispositif de traitement d'informations, système de traitement de règlements, procédé et programme
US11301844B2 (en) 2016-08-12 2022-04-12 Mastercard International Incorporated Cryptographic authentication and tokenized transactions

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003083745A1 (fr) * 2002-03-28 2003-10-09 Matsushita Electric Industrial Co., Ltd. Dispositif de traitement de service, et dispositif support de traitement
JP2006059030A (ja) * 2004-08-18 2006-03-02 Ntt Docomo Inc 決済システム
JP2016063533A (ja) * 2014-09-16 2016-04-25 キーパスコ アーベーＫｅｙｐａｓｃｏ ＡＢ 電子取引用のネットワーク認証方法
US11301844B2 (en) 2016-08-12 2022-04-12 Mastercard International Incorporated Cryptographic authentication and tokenized transactions
WO2021033477A1 (fr) * 2019-08-16 2021-02-25 フェリカネットワークス株式会社 Dispositif de traitement d'informations, système de traitement de règlements, procédé et programme

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