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WO2002046987A1 - Systeme et procede de certification de presence - Google Patents

Systeme et procede de certification de presence Download PDF

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Publication number
WO2002046987A1
WO2002046987A1 PCT/JP2000/008696 JP0008696W WO0246987A1 WO 2002046987 A1 WO2002046987 A1 WO 2002046987A1 JP 0008696 W JP0008696 W JP 0008696W WO 0246987 A1 WO0246987 A1 WO 0246987A1
Authority
WO
WIPO (PCT)
Prior art keywords
location
proof
certificate
terminal device
disclosure
Prior art date
Application number
PCT/JP2000/008696
Other languages
English (en)
Japanese (ja)
Inventor
Mototsugu Hamada
Original Assignee
Kabushiki Kaisha Toshiba
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 Kabushiki Kaisha Toshiba filed Critical Kabushiki Kaisha Toshiba
Priority to PCT/JP2000/008696 priority Critical patent/WO2002046987A1/fr
Publication of WO2002046987A1 publication Critical patent/WO2002046987A1/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
    • G06Q30/02—Marketing; Price estimation or determination; Fundraising
    • 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 location certification system and a location certification method suitable for application to, for example, a system for issuing and disclosing a location certificate proving that one was at a certain time and a certain place.
  • a location certification method suitable for application to, for example, a system for issuing and disclosing a location certificate proving that one was at a certain time and a certain place.
  • proof of whereabouts In general, it is difficult to prove that you were at a certain place at a certain time with your own hands (hereinafter referred to as proof of whereabouts). For this reason, the proof of whereabouts has been provided to devices or third parties who are present at the location by recording the time of attendance and departure on a time card, calling the attendee's name for a reply, etc. It is issued by leaving a record that indicates that you were at that time and place. Records left at the location are managed by the record issuing side to prevent forgery or forgery of the contents.
  • the present invention has been made to solve the above-described problem, and an object of the present invention is to provide a technology that makes it possible to issue and disclose a proof of location easily and inexpensively. Disclosure of the invention
  • the user when requesting issuance of a location certificate, the user receives the location certificate using a short-range wireless communication device.
  • the issued location certificate is stored and saved in the short-range wireless communication device in an encrypted state.
  • the user when disclosing the proof of location, the user sends the encrypted proof of location stored in the short-range wireless device using the short-range wireless communication device, and the location is received at the destination of the location certificate. Decrypt the contents of the proof and disclose and confirm the contents of the user's proof of location.
  • FIG. 1 is a schematic diagram illustrating a configuration of a location certification system according to an embodiment of the present invention.
  • FIG. 2 is a schematic diagram illustrating a configuration of a terminal device according to an embodiment of the present invention.
  • FIG. 3 is a schematic diagram showing a configuration of a location certificate issuing / disclosing device according to an embodiment of the present invention.
  • FIG. 4 is a flowchart showing a method for issuing a location certificate according to an embodiment of the present invention.
  • FIG. 5 is a flowchart showing a method of disclosing a location certificate according to an embodiment of the present invention.
  • FIG. 6 is a schematic diagram showing a format of the location proof information according to the embodiment of the present invention.
  • a system for issuing a location certificate for certifying that oneself was at a certain place at a certain time and disclosing the location certification to a third party is provided. Can be applied to
  • FIG. 1 is a schematic diagram illustrating a configuration of a location certification system according to an embodiment of the present invention.
  • the location certification system of this embodiment includes a terminal device 2 for requesting issuance of a location certificate and disclosing the contents of the location certificate to a third party, and a location according to an instruction from a user. It comprises a location certificate issuance / disclosure device 3 for issuing and disclosing a certificate.
  • the terminal device 2 and the location certificate issuance / disclosure device 3 are configured to be connectable via a wireless communication network.
  • the terminal device 2 here includes a mobile communication terminal such as a PDA (Personal Digital Assistants) terminal or a mobile phone.
  • a mobile communication terminal such as a PDA (Personal Digital Assistants) terminal or a mobile phone.
  • the user can establish a network connection to the location certificate issuance Z-disclosure device 3. You can request issuance and disclosure of proof of location from any location as long as you are within the box.
  • the wireless communication network uses short-range wireless transmission technology in which the network connection range between the terminal device 2 and the location certificate issuance / disclosure device 3 is about several tens to several hundred meters. It is desirable to use Bluetooth technology.
  • FIG. 2 is a schematic diagram illustrating a configuration of a terminal device according to an embodiment of the present invention.
  • the terminal device of this embodiment includes a CPU 21, a RAM 22, a ROM 23, an input / output unit 24, an identification information storage unit 25, a location proof information storage unit 26, and a transmission / reception unit 27.
  • the CPU 21 performs various controls in accordance with the contents of the program stored in the ROM 23.
  • the location certification program 23a and the data required for the process of issuing the location certification are loaded from the ROM 23 to the RAM 22 and instructed in the program. Execute the specified instruction or process.
  • the RAM 22 secures a work area for temporarily storing programs and data relating to various processes executed by the CPU 21.
  • the ROM 23 stores various programs such as a terminal device start-up program and a location certification program 23a, data necessary for the program processing, and the like.
  • the ROM 23 includes a recording medium readable by the CPU 21, such as a magnetic or optical recording medium or a semiconductor memory.
  • the program and data stored in the recording medium may be partially or wholly received via a transmission medium such as an electronic network line.
  • the input / output unit 24 is used for inputting / outputting various kinds of information related to the location certification issuing process, and the input information is output to the CPU 21, the RAM 22, and the ROM 23.
  • the form of the input portion includes, for example, a numeric keypad, a keyboard, and a mouse pointer, and the form of the output portion includes a display device, a printing device, and the like.
  • the identification information storage unit 25 stores the identification information (so-called ID number) of the terminal device. This identification number is unique to each terminal device and is referred to when issuing a certificate of location.
  • the location proof information storage unit 26 stores the location proof information issued by the location proof issuance / disclosure device 3.
  • the location certification information is in a format as shown in FIG. 6, and at least the identification numbers of the terminal device 2 and the location certificate issuing / disclosing device 3 and the issuance of the location certification information ( Creation) Including time information. Further, the location proof information is issued and stored in an encrypted state to the terminal device so that the user cannot illegally change the content.
  • the transmission / reception unit 27 performs information communication with the location certificate issuing / disclosure device 3 connected via the wireless communication network, and communication control for performing the information communication. ⁇ Structure of the location certificate issuance disclosure device>
  • FIG. 3 is a schematic diagram showing a configuration of a location certificate issuing Z disclosing device according to an embodiment of the present invention.
  • the location certificate issuance / disclosure device includes a CPU 31, a RAM 32, a ROM 33, an input / output unit 44, an encoding / decoding processing unit 35, an identification information
  • An information storage unit 36 and a transmission / reception unit 37 are provided.
  • the configurations and functions of the CPU 31, RAM 32, R 3M 33, input / output unit 44, and transmission / reception unit 37 are the same as those of the terminal device 2, and the description is omitted here. I do.
  • the encoding / decoding processor 35 When issuing the proof of location, the encoding / decoding processor 35 generates the proof of location under the control of the CPU 31 in accordance with the proof of location program 33a stored in the ROM 33. Encode (encrypt) the location certification information in the format shown in 6. On the other hand, when the location proof is disclosed to a third party, the encrypted location proof information transmitted from the user is decrypted (decrypted). The decryption key required for this decryption process is managed by the location certification issuing Z disclosing device. For example, the identification information of the location certification issuing disclosing device may be used as the decryption key. This can prevent a user from making unauthorized changes to the location certificate stored in the terminal device 2.
  • a so-called secret key method is adopted in which the encryption key and the decryption key are both managed by the proof of issuance device, but the encryption key is kept secret by the issuance device.
  • a so-called public key method may be used as for the held and decrypted key.
  • the identification information storage unit 36 stores the identification information of the certificate of issuance / disclosure device, and this identification number is unique to each of the issuance certificate and the disclosure device, like the terminal device, and is used when issuing the certificate of location. Referenced. By assigning an identification number to each location certificate issuance / disclosure device, the user can accurately grasp the location where the location certificate was issued, and more reliably certify the location where the user included in the location certificate was present. It is possible to do it.
  • FIG. 4 is a flowchart illustrating a location certification issuing operation of the location certification system according to the embodiment of the present invention.
  • the CPU 21 in the terminal device 2 transfers the request from the ROM 23 to the RAM 22.
  • the location certification program 23a is read, and the operation as shown in FIG. 4 is started according to the location certification program 23a.
  • the CPU 21 controls the transmission / reception unit 27 to connect the terminal device 2 and the location certification issue / disclosure device 3 via a wireless communication network (S401), and stores the identification information storage unit.
  • the identification information of the terminal device 2 stored in the storage device 25 is transmitted to the location certificate issuing / disclosing device 3 (S402).
  • the CPU 31 of the location certification issuing / disclosure device 3 loads the location certification program 33a stored in the ROM 33 into the RAM 32. Then, the following location certification issuance process specified in the location certification program is executed. Note that, as in the process of S403, the process may be started by sending a request for issuance of a location certificate from the terminal side.
  • the CPU 31 loads its own identification information from the identification information storage unit 36, and uses its own identification information, the identification information of the terminal device 2, and information on the current date and time. For example, location proof information (location information) in the format shown in FIG. 6 is created (S502).
  • the CPU 31 subsequently controls the encoding / decoding processing unit 35 to encrypt the location proof information (S503). Terminal device using communication network The encrypted location proof information is transmitted to the device 2 (S504).
  • the CPU 21 of the terminal device 2 controls the transmission / reception unit 27 to issue the location proof Z and receive the location proof information transmitted from the Z disclosure device 3. Then, the received location proof information is stored in the location proof information storage unit 26 (S404).
  • FIG. 5 is a flowchart showing the location certification disclosure operation of the location certification system according to the embodiment of the present invention.
  • the CPU 21 in the terminal device 2 stores the request from the ROM 23 to the RAM 22.
  • the location certification program 23a is read, and the operation as shown in FIG. 5 is started according to the location certification program.
  • the CPU 21 of the terminal device 2 controls the transmission / reception unit 27 to connect the terminal device 2 and the location certification issuance / disclosure device 3 via the wireless communication network. It requests the disclosure device 3 to disclose the proof of location (S405, S406). Then, the CPU 21 subsequently controls the transmission / reception section 27 to transmit the identification information and the location proof information stored in the identification information storage section 25 and the location proof information storage section 26 to the location proof issuance / disclosure device 3, respectively. And send it (S407).
  • the CPU 31 of the location certificate issuing / disclosing device 3 stores the information in the ROM 33.
  • the registered location verification program 33a is loaded into the RAM 32, and the following proof of location specified in the location verification program 33a: Execute disclosure processing.
  • the CPU 31 controls the encoding / decoding processing unit 35 to decode the location proof information (location information) transmitted from the terminal device 2 (S506). Then, when the location proof information is decrypted by the processing of S506, the CPU 31 subsequently proceeds to the identification information transmitted from the terminal device 2 and the identification information of the terminal device 2 recorded in the location proof information. Is determined to be the same (S507).
  • the CPU 31 Determines that the received location certificate disclosure request is a location certificate disclosure request from the user who has been issued the location certificate, and discloses the decrypted location certificate information to a third party (S508).
  • the term “disclosure” as used herein refers to outputting the decrypted location proof information to the input / output unit 34 of the location proof issuing device 3 and transmitting and outputting the decrypted location proof information via an electronic network. Any of the above processes shall be included.
  • the CPU 31 1.
  • the disclosure request for the proof of location received is not the user who received the proof of location, but is an unlawful disclosure request from another user, such as ⁇ We cannot disclose the proof of location information.
  • An error message is transmitted to the terminal device 2, and the disclosure of the decrypted location proof information is prohibited (S509).
  • the location issuance process and the disclosure process are performed by the same device, but these processes may be performed by separate devices.
  • at least the identification information storage unit and the code A decryption processing unit is provided, and at least a decryption processing unit is provided on the side of the device that discloses the proof of location.
  • it is not necessary for the device that discloses the location certificate to communicate with the terminal device using the short-range wireless network and it is not necessary to use a TCPZIP-based Internet communication network, LAN, WAN, etc.
  • the communication may be performed using the entire electronic network (electronic communication technology).
  • the location certificate issuance process and the disclosure process are performed separately on different devices, for example, the location certificate issuance device is placed in various places, and the location certificate disclosure device uses an electronic network such as the Internet.
  • the user when a user wants a location certificate, the user requests the location certificate issuance device near the user to issue the location certificate, and holds the location certificate in his / her own terminal.
  • the user can connect to the certificate of location via an electronic network and enter the information recorded in the terminal device to easily disclose the certificate of location to a third party. can do.
  • the management side can directly collect the fee for providing the service from the user. If advertisement information such as a banner advertisement is displayed when the certificate disclosure device is accessed, the operation can be performed by receiving the advertisement.
  • the location certificate issuing device is incorporated in a vending machine or the like, the cost for constructing the system can be significantly reduced.
  • the terminal device has a function as a wallet of the electronic money
  • the certificate of location can be obtained at the same time as the commercial transaction.
  • This location proof system is not only used for issuance and disclosure of location proofs, but also includes, for example, customer identities in the location proof information shown in Fig. It can also be applied to the service of giving benefits such as discounts.
  • the process of issuing and disclosing the location certification is automatically performed via the wireless communication network in accordance with the instruction from the user. From the standpoint of this, the labor and cost required to obtain a certificate of location can be greatly reduced. Further, in the location certification system of this embodiment, the location certification is issued by using the wireless communication network using the short-range wireless technology, so that the user is required to be in the vicinity of the location certification issuance and disclosure device. It becomes difficult to receive a certificate of location, and it becomes possible to issue a highly reliable certificate of location.
  • the location certification information is managed by the location certification issue request (user) side, so that there is no need to manage the records on the location certification issue side, and the issuer side Labor and costs can be significantly reduced.
  • the location certification information is encrypted by the ⁇ key managed by the issuer of the location certificate (or the disclosure side of the location certificate) and the user is encrypted. Since the information is stored in the URL, the user cannot illegally change the content of the proof of location, and can prevent forgery or falsification of the recorded content.

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Abstract

Un utilisateur reçoit un certificat de présence, s'il en désire un, délivré par l'intermédiaire d'un dispositif de communication radio à courte distance. Le certificat de présence délivré est crypté et stocké dans le dispositif de communication radio à courte distance. Lorsque le certificat de présence doit être présenté, l'utilisateur envoie le certificat de présence crypté par l'intermédiaire d'un dispositif de communication radio. Le récipient décrypte et confirme les contenus du certificat de présence de l'utilisateur.
PCT/JP2000/008696 2000-12-08 2000-12-08 Systeme et procede de certification de presence WO2002046987A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/JP2000/008696 WO2002046987A1 (fr) 2000-12-08 2000-12-08 Systeme et procede de certification de presence

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2000/008696 WO2002046987A1 (fr) 2000-12-08 2000-12-08 Systeme et procede de certification de presence

Publications (1)

Publication Number Publication Date
WO2002046987A1 true WO2002046987A1 (fr) 2002-06-13

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PCT/JP2000/008696 WO2002046987A1 (fr) 2000-12-08 2000-12-08 Systeme et procede de certification de presence

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2886753A1 (fr) * 2005-06-06 2006-12-08 Customer Product Relationship Dispositif et procede pour attester de la presence d'un individu dans un endroit donne a un instant donne

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06176039A (ja) * 1992-12-10 1994-06-24 N T T Data Tsushin Kk 来場者管理システム
JP2000066590A (ja) * 1998-08-26 2000-03-03 Nippon Telegr & Teleph Corp <Ntt> データ保管システム、データ保管方法、保管データ存在証明方法、プログラム記録媒体

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06176039A (ja) * 1992-12-10 1994-06-24 N T T Data Tsushin Kk 来場者管理システム
JP2000066590A (ja) * 1998-08-26 2000-03-03 Nippon Telegr & Teleph Corp <Ntt> データ保管システム、データ保管方法、保管データ存在証明方法、プログラム記録媒体

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2886753A1 (fr) * 2005-06-06 2006-12-08 Customer Product Relationship Dispositif et procede pour attester de la presence d'un individu dans un endroit donne a un instant donne
WO2006131668A3 (fr) * 2005-06-06 2007-02-08 Customer Product Relationship Dispositif et procede pour attester de la presence d'un individu dans un endroit donne a un instant donne

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