WO2002095593A1 - Systeme de protection d'informations electroniques dans un appareil terminal de communication - Google Patents

Systeme de protection d'informations electroniques dans un appareil terminal de communication Download PDF

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Publication number
WO2002095593A1
WO2002095593A1 PCT/JP2002/004997 JP0204997W WO02095593A1 WO 2002095593 A1 WO2002095593 A1 WO 2002095593A1 JP 0204997 W JP0204997 W JP 0204997W WO 02095593 A1 WO02095593 A1 WO 02095593A1
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WO
WIPO (PCT)
Prior art keywords
electronic information
electronic
information
storage device
protection system
Prior art date
Application number
PCT/JP2002/004997
Other languages
English (en)
Japanese (ja)
Inventor
Yutaka Yasukura
Original Assignee
Yutaka Yasukura
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 Yutaka Yasukura filed Critical Yutaka Yasukura
Publication of WO2002095593A1 publication Critical patent/WO2002095593A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/08—Network architectures or network communication protocols for network security for authentication of entities
    • H04L63/0853—Network architectures or network communication protocols for network security for authentication of entities using an additional device, e.g. smartcard, SIM or a different communication terminal
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07F—COIN-FREED OR LIKE APPARATUS
    • G07F7/00—Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus
    • G07F7/08—Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus by coded identity card or credit card or other personal identification means
    • G07F7/10—Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus by coded identity card or credit card or other personal identification means together with a coded signal, e.g. in the form of personal identification information, like personal identification number [PIN] or biometric data
    • G07F7/1016—Devices or methods for securing the PIN and other transaction-data, e.g. by encryption

Definitions

  • the present invention relates to a communication terminal device having a personal authentication function in a transaction and a function to prevent information leakage in the event of loss, and more particularly to an electronic information protection system that can be used for settlement via a portable telephone.
  • Japanese Patent Application Laid-Open No. H10-3336345 states that, when trying to receive a service from a commercial provider, a sender authentication method using an account code and password obtains information by some other means.
  • a method of authenticating a sender with a higher security level by physically confirming and authenticating the information terminal device itself that has requested communication access. .
  • the disclosure method is based on the caller's telephone number of the actual telephone means used with the information terminal device, and one individual physically accesses the information terminal device for personal use, especially a portable information terminal device such as a PDA. It can greatly improve the security level of caller authentication when used exclusively.
  • the disclosed method merely authenticates the portable information terminal device itself, it cannot prevent unauthorized use of the appropriate terminal device by others. For this reason, it cannot be applied to communication access with financial institutions, etc., which require particularly high reliability.
  • the portable information terminal device can store a lot of information such as address book, memo pad, authentication information, ID number, electronic money, medical information, and data equivalent to the official seal. As a result, if the terminal device is lost or stolen, confidential information will be leaked to others. Disclosure of the invention
  • an object of the present invention is to provide an electronic information protection system capable of performing user authentication with a higher security-level in transactions via a digital information communication network.
  • the purpose is to provide an electronic information protection system that prevents information leakage.
  • An electronic information protection system uses a communication terminal device which is connected to a detachable external storage device to exchange electronic information and has an internal storage device.
  • the communication terminal device has an electronic tally means.
  • the target electronic information is physically divided into two electronic information blocks by the electronic tally means, the first electronic information block is stored in the internal storage device, and the second electronic information block is stored in the external storage device. It is characterized by storing.
  • the electronic tally means means that one piece of electronic information is divided into two or more pieces and shared at two or more places, and when necessary, the divided pieces of electronic information are united into the original electronic information. The one that restores information.
  • the divided electronic information is difficult to guess the content by itself.
  • the authentication information can be restored and the communication terminal itself can be authenticated only after the external storage device is set in the communication terminal device, so that the owner can transfer the communication terminal device and the external storage device. If managed separately, communication terminal equipment cannot be authenticated unless it is a valid contractor. Therefore, more secure caller authentication can be performed as compared with a caller authentication method using an account code and a passcode or a method of authenticating only by physically confirming the communication terminal device itself.
  • a personal identification number provided by a financial institution or the like is physically divided, and one is stored in an internal storage device of a communication terminal device, and the other is stored in an external storage device. , Split and hold, and the first time an external storage device is If it is set in a communication terminal device and integrated and determined, it is possible to conduct transactions safely through a digital information communication network.
  • the electronic tally means divides the original electronic information into a plurality of electronic information elements, distributes the divided electronic information elements to the first electronic information block and the second electronic information block, and within each electronic information block. It is preferable to change the order of the electronic information element, generate restoration information that records the procedures of division and order change, and include all or one of the divided information in each electronic information block. Further, the electronic tally means restores the original electronic information by integrating the electronic information blocks based on the restored information.
  • the electronic tally means newly decides a method of dividing and allocating electronic information when the use of the communication terminal device is finished, and converts it into electronic tally.
  • the shape of the half of the electronic information stored in the storage device changes, so that it is almost impossible to steal secret information even if it is intended by another person.
  • an electronic computer or the like connected to the electronic information communication network can be used.
  • a mobile information terminal device such as a mobile phone or a personal 'digital' assist (PDA) can be used.
  • PDA personal 'digital' assist
  • any electronic information stored in the communication terminal can be converted into electronic tally and used for secure electronic payment, especially by storing authentication information separately. be able to.
  • the present invention further deposits the first electronic information block stored in the internal storage device with the information depository connected to the communication terminal device, acquires the first electronic information block deposited from the information depository as needed, and obtains the original electronic information block. It can be restored in the internal storage device of another communication device or the internal storage device of another communication terminal device. Due to the function of the electronic tallying method, an external information depository such as a database center It is possible to prevent the content of information from being inferred from the electronic information block.
  • the communication terminal device such as a mobile phone
  • the communication terminal device such as a mobile phone
  • the phone Since the original electronic information can be restored, there is no need to verify the identity again and reissue an authentication number.
  • the information stored in the communication terminal equipment is often stored and stored in a very large amount, and it is not easy to restore the equipment when it is newly installed.However, by depositing the information with an information depository, Various electronic information previously stored can be easily restored.
  • the second electronic information block may be deposited with the information depository that deposited the first electronic information block.
  • the electronic information is divided into three or more electronic information blocks by electronic tally means, the first electronic information block is stored in the internal storage device, the second electronic information block is stored in the external storage device, and the third and subsequent electronic information blocks are stored.
  • This electronic information block can be stored in another external storage device.
  • the third and subsequent electronic information blocks may be stored in one or more information depository organizations.
  • FIG. 1 is a perspective view of a communication terminal device to which an embodiment of an electronic information protection system according to the present invention is applied
  • FIG. 2 is a block diagram of the configuration of a communication terminal device main body
  • FIG. 3 is an electronic tally in this embodiment
  • FIG. 4 is a block diagram showing the configuration of an embodiment of the electronic information protection system of the present invention.
  • the electronic information protection system according to the present embodiment is applied to a case where transactions are performed via an Internet communication network.
  • the bank issues an ID code individually to a mobile phone owned by a customer, divides the provided ID code into a telephone body and an external storage device, and This is a security method in which the transaction cannot be communicated with the bank unless the transaction is merged, so that the transaction is assumed to be by the customer.
  • the communication terminal device used in the present embodiment is a mobile phone. As shown in FIG. 1, the mobile phone 1 includes a main body 10 and an external storage device 30.
  • the external storage device 30 makes it possible to read and write a relatively large amount of electronic information safely using the data processing capability of the IC card.
  • the mobile phone body 10 has a display 11 for displaying the phone numbers of incoming and outgoing calls and character image data to be communicated, a keyboard 12 for inputting phone numbers, character information or operation instructions 12, a microphone 13 and a speed 1 4. Antenna 15 and card slot 16 for exchanging data with external storage device 30.
  • a CPU 20 As shown in the block diagram of FIG. 2, a CPU 20, a ROM 21 for storing programs, a rewritable RAM 22 for storing electronic information, and a telephone, as shown in the block diagram of FIG. Unit 23, a card reader / writer 17 provided at the back of the card entry 16 for exchanging electronic information with an external storage IC card.
  • the internal circuit device is driven and controlled using the RAM 22 and the electronic information stored in the external storage device 30.
  • the microphone 13, the speaker 14, and the antenna 15 are connected to the telephone unit 23. It performs communication control such as outgoing call, incoming call detection, transmission and reception.
  • the mobile phone 1 uses the electronic tally program stored in the R ⁇ M 21 to divide the electronic information used for telephone operations or electronic commerce and distribute it to the telephone main body 10 and the IC card 30. Can be stored.
  • the part forming the electronic tally of the electronic tally program divides the original electronic information 41 into an arbitrary number of child information elements 42 as shown in FIG.
  • the divided electronic information elements are divided into two blocks as appropriate, rearranged appropriately, and electronic information blocks 43, 44 are made so that the content of the information cannot be estimated as it is.
  • the electronic information block formed in this way is called an electronic tally, and the procedure for forming the electronic tally is called electronic tallying.
  • the electronic information tallies A and B which are the formed electronic information blocks 43 and 44, are stored separately in the RAM 22 of the mobile phone main body 10 and the memory of the external storage device (IC card) 30.
  • the division position of the electronic information is physically determined irrespective of the division of the content. This is because, for example, in the case of connecting pieces that are cut in bit units, it is difficult to grasp even local information contents.
  • the information on the position divided into the electronic information elements and the information on the procedure of distributing and rearranging the electronic information elements are attached as header information Ha and Hb of electronic tally A and B, respectively.
  • the split position information and the distribution rearrangement information may also be divided into tally in the same procedure as when the original electronic information was allocated to the electronic information block, and distributed to each. .
  • the bank authenticates the customer, and then sends the ID code to the mobile phone 1 that the customer intends to use.
  • the telephone 1 receives the ID code and performs an electronic tallying process to form two electronic tallies A and B.
  • One of the electronic tallies A is stored in the RAM 22 of the telephone main body 10, and the other is.
  • the electronic tally B is transmitted to the IC card 30 via the card reader / writer 17 and stored therein.
  • the customer always removes and holds the IC card 30 from the mobile phone body 10 and inserts the IC card 30 into the card slot 16 when making a transaction with a bank, and the contents are transferred via the card reader / writer 17. And merge it with the contents of R AM 21, Operate telephone 1.
  • the mobile phone 1 uses the RAM 22 and the electronic tally A and B stored in the external storage device 30. To restore the ID code and send the restored ID code to the bank.
  • the bank verifies the identity by comparing the stored ID code information with the received ID code, and if successful, opens a transaction account and accepts the transaction details.
  • the electronic information can be restored by dividing the electronic tallies A and B into electronic information Eleanon by the reverse procedure based on the information of the electronic tallying procedure included in the header information Ha and Hb and rearranging them in the original order.
  • the information of the electronic tallying procedure is further converted into electronic tally to generate header information, the information of the electronic tallying procedure is restored, and then the original information is restored.
  • the provided ID code is physically divided and stored as an electronic tally which is extremely difficult to guess at the phone main unit 10 and the IC card 3 ⁇ . can do. Therefore, since the transaction is approved only after the customer inserts the IC card 30 stored in the telephone main body 10, the user cannot use the telephone unless he / she uses a genuine telephone and cannot use the telephone. You can authenticate yourself. Also, even if the phone body 10 or the IC card 30 is lost, the information cannot be presumed simply by acquiring one of them, so that the information can be safely protected.
  • the ID code is provided by a bank or the like, but it goes without saying that the customer may decide and register the ID code. May be provided.
  • the electronic information When the electronic information is used, it is restored to its original state in the phone, but after the transaction is completed, the restored electronic information is subjected to electronic tallying processing using parameters different from those before and a new one is created.
  • the saved electronic tally can be stored separately in the RAM and IC card inside the phone.
  • the restored electronic information is It is preferable to erase. This is because if the authentication information remains on the telephone body, a person other than the user can operate the telephone and conduct electronic commerce.
  • the system of this embodiment can be used for flexible disks in so-called PDAs, such as portable small-sized computers with communication functions, and for personal-use computers connected to a communication network.
  • the present invention can be similarly applied to any device having an external storage device such as a disk or a CD disk or a storage device separated in the main body.
  • the external storage device may be any device that can write and read information, and may be not only an electronic storage device but also a paper medium using a bar code or the like.
  • Authentication information which forms the basis of credit in electronic commerce, is divided into two by electronic tallying, and one is stored in a storage device inside the main unit, and the other is stored in a removable external storage device or another storage device .
  • both electronic information is unified, restored, and transmitted.
  • FIG. 4 is a block diagram illustrating an electronic information protection system constructed using the above-mentioned communication terminal device such as a mobile phone.
  • the user's mobile phone 1 and personal computer 2 are connected to the communication network 3.
  • the communication network 3 is connected to a first database center 15 and a second database center 6 in addition to a commerce institution 4 such as a bank or a shop for electronic commerce.
  • a commerce institution 4 such as a bank or a shop for electronic commerce.
  • Each of the mobile phone 1 and the computer 2 can insert and use an IC card or a flexible disk to fetch and use the electronic information stored in these external storage devices.
  • the mobile phone 1 converts the ID code supplied to the user into an electronic tally, stores one electronic tally A1 in the main body, and stores the other electronic tally B1 in the IC card.
  • the electronic computer 2 converts the ID code into an electronic tally, and records one electronic tally A 2 on the main body and the other electronic tally B 2 on the flexible disk.
  • an external storage medium is set in the communication terminal device, the electronic tally is read, the ID code is restored by inverse conversion, and the electronic tally is transmitted to a commercial transaction organization 4 such as a bank.
  • the commercial institution 4 confirms that the received ID code is appropriate, accepts the commercial transaction, and executes the commercial transaction such as transfer or debit in the name of the user.
  • two database centers 5 and 6 are installed. These database centers are depository institutions for electronic information equipped with large-scale storage devices. The first data center 5 receives tally Al and A2 distributed to telephones and computers, and the second database The center 6 receives and stores the electronic tallies B 1 and B 2 distributed to the external storage device.
  • the user When a user replaces a mobile phone or other device with a new one due to loss or malfunction, the user requests the first depositary institution 5 and the first depositary institution 5 authenticates the user and deposits the electronic tally A 1, A2 will be provided. Also, when replacing the external storage device of the user, request the second depositary institution 6 to provide the electronic tally B1, B2 deposited.
  • the entire ID code is centralized in one place, it may be possible to restore it by some means and use it.Therefore, improving security by separating and depositing each electronic tally Let me. For subjects with relatively low security requirements, a single depository may handle both electronic tallys. Whether or not to deposit an electronic tally, and which electronic tally to deposit, may be determined by the user's option.
  • the present invention is not limited to the ID code, but may be applied to a communication secret key, personal authentication data, and the like.
  • the information may be private information of the user such as an address book. Since the amount of information to be stored in a mobile phone or the like increases as the phone is used, it is complicated to replace the past information on a new phone when replacing the phone.
  • the electronic information stored in the RAM of the telephone is converted into an electronic tally and deposited at the depository, so that the information can be collected safely and easily installed on a new telephone. can do. In addition, it is used for such a purpose. In some cases, electronic tally need to be generated for the latest electronic information.
  • one or both of the electronic tallies may be automatically sent to the information depository at the same time as the electronic tally operation is performed.
  • the control device of the communication terminal device When the operator selects and indicates electronic information to be tallyed and presses the tallying button, the control device of the communication terminal device generates an electronic tally of the electronic information and stores it in a predetermined storage device. The electronic tally will be sent automatically to the designated information depository.

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  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Computer Security & Cryptography (AREA)
  • Computing Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Storage Device Security (AREA)

Abstract

L'invention concerne un système de protection d'informations électroniques capable de garantir une authentification très sûre d'un utilisateur dans un commerce électronique au moyen d'un appareil terminal d'informations caractérisé par l'utilisation d'un appareil de stockage externe amovible connecté audit appareil, divisant physiquement les informations électroniques ciblées en deux blocs d'informations électroniques par des moyens d'évaluation électronique présents dans l'appareil terminal de communication et stockant les premières informations électroniques dans un corps de l'appareil terminal de communication et le second bloc d'informations électroniques dans un appareil de stockage externe.
PCT/JP2002/004997 2001-05-24 2002-05-23 Systeme de protection d'informations electroniques dans un appareil terminal de communication WO2002095593A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2001154814A JP2002351845A (ja) 2001-05-24 2001-05-24 通信端末装置における電子情報保護システム
JP2001-154814 2001-05-24

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WO2002095593A1 true WO2002095593A1 (fr) 2002-11-28

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WO2005104430A1 (fr) * 2004-04-23 2005-11-03 Matsushita Electric Industrial Co., Ltd. Dispositif de gestion des informations personnelles, dispositif de stockage de clé distribuée, et système de gestion des informations personnelles
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JP2006113764A (ja) * 2004-10-14 2006-04-27 Dainippon Printing Co Ltd データ解読防止方法
JP2006301849A (ja) * 2005-04-19 2006-11-02 Global Friendship Inc 電子情報保存システム
JP4908941B2 (ja) * 2006-06-16 2012-04-04 株式会社三井住友銀行 初期パスワード発行処理方法およびシステム
JP4964048B2 (ja) * 2007-07-13 2012-06-27 株式会社日立ソリューションズ 非接触ｉｃと携帯情報端末を使用した認証システム及び認証方法
JP5127050B2 (ja) * 2008-05-20 2013-01-23 株式会社日立製作所 通信端末装置持ち出し管理システム、通信端末装置持ち出し管理方法、プログラム及び記憶媒体
WO2010146666A1 (fr) * 2009-06-17 2010-12-23 Ｎｅｃディスプレイソリューションズ株式会社 Dispositif de traitement d'informations, procédé de traitement de données et programme
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WO2013057874A1 (fr) * 2011-10-20 2013-04-25 株式会社 東芝 Système de reçu électronique, dispositif terminal, procédé de fourniture de reçu électronique et programme associé
JP2013222273A (ja) * 2012-04-13 2013-10-28 Lapis Semiconductor Co Ltd 半導体装置、機密データ管理システム、及び機密データ管理方法
JP5895093B1 (ja) * 2015-10-14 2016-03-30 ネクスト・イット株式会社 ナンバー復元システム並びに支援装置及び復元支援方法
JP7204439B2 (ja) 2018-11-21 2023-01-16 株式会社東芝 Ｉｃカード、携帯可能電子装置、ｉｃカード処理方法及びプログラム
JP6760631B1 (ja) * 2019-12-28 2020-09-23 国立大学法人千葉大学 認証リクエストシステム及び認証リクエスト方法

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