WO2020202326A1 - 情報処理プログラム、装置、及び方法 - Google Patents

情報処理プログラム、装置、及び方法 Download PDF

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Publication number
WO2020202326A1
WO2020202326A1 PCT/JP2019/014209 JP2019014209W WO2020202326A1 WO 2020202326 A1 WO2020202326 A1 WO 2020202326A1 JP 2019014209 W JP2019014209 W JP 2019014209W WO 2020202326 A1 WO2020202326 A1 WO 2020202326A1
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WO
WIPO (PCT)
Prior art keywords
document data
information
storage unit
authenticity confirmation
identification information
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/JP2019/014209
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
永井　功一
昌紘 島田
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
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 Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to PCT/JP2019/014209 priority Critical patent/WO2020202326A1/ja
Priority to JP2021511704A priority patent/JP7136339B2/ja
Priority to EP19922326.4A priority patent/EP3933747A4/en
Priority to PH1/2021/552309A priority patent/PH12021552309A1/en
Publication of WO2020202326A1 publication Critical patent/WO2020202326A1/ja
Priority to US17/480,738 priority patent/US20220006639A1/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • H04L9/3236—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 using cryptographic hash functions
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
    • H04L9/3236—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 using cryptographic hash functions
    • H04L9/3239—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 using cryptographic hash functions involving non-keyed hash functions, e.g. modification detection codes [MDCs], MD5, SHA or RIPEMD
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/60—Protecting data
    • G06F21/64—Protecting data integrity, e.g. using checksums, certificates or signatures
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06Q50/00—Information and communication technology [ICT] specially adapted for implementation of business processes of specific business sectors, e.g. utilities or tourism
    • G06Q50/10—Services
    • G06Q50/18—Legal services
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06Q50/00—Information and communication technology [ICT] specially adapted for implementation of business processes of specific business sectors, e.g. utilities or tourism
    • G06Q50/10—Services
    • G06Q50/20—Education
    • G06Q50/205—Education administration or guidance
    • 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
    • H04L63/0823—Network architectures or network communication protocols for network security for authentication of entities using certificates
    • 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
    • H04L63/12—Applying verification of the received information
    • H04L63/123—Applying verification of the received information received data contents, e.g. message integrity
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
    • H04L9/3263—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials involving certificates, e.g. public key certificate [PKC] or attribute certificate [AC]; Public key infrastructure [PKI] arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
    • H04L9/3263—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials involving certificates, e.g. public key certificate [PKC] or attribute certificate [AC]; Public key infrastructure [PKI] arrangements
    • H04L9/3268—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials involving certificates, e.g. public key certificate [PKC] or attribute certificate [AC]; Public key infrastructure [PKI] arrangements using certificate validation, registration, distribution or revocation, e.g. certificate revocation list [CRL]
    • 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
    • H04L9/50—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols using hash chains, e.g. blockchains or hash trees
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
    • G06F16/27—Replication, distribution or synchronisation of data between databases or within a distributed database system; Distributed database system architectures therefor
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06Q2220/00—Business processing using cryptography
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06Q30/018—Certifying business or products
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06Q50/00—Information and communication technology [ICT] specially adapted for implementation of business processes of specific business sectors, e.g. utilities or tourism
    • G06Q50/10—Services
    • G06Q50/20—Education
    • G06Q50/205—Education administration or guidance
    • G06Q50/2053—Education institution selection, admissions, or financial aid

Definitions

  • the disclosed technology relates to information processing programs, information processing devices, and information processing methods.
  • a system has been proposed that provides proof of credential information published on the network by the publisher online.
  • This system is connected to a second network different from the first network, and receives a certification request requesting proof of credentials from a credential disclosure server via an interface.
  • access the credential information database to obtain the declaration identifier of the credential information for which the certification request is made.
  • it inquires via the certification server whether or not the combination of the qualification holder identifier and the certificate identifier corresponding to the combination of the publisher identifier and the declaration identifier is held in the certificate database, and the qualification information to be the target of the certification request. Prove that.
  • the terminal sends the stored identification data to the relay server, and when the data verification server identifies the identification data, the verified identification data is written to the tamper-resistant device. Then, when the user receives the service from the business operator, the business operator server requests the terminal to transmit the attribute information of the user's identification card data, and the terminal transmits the identification card data to the relay server. Then, when the ID card data is genuine by the data verification server, the terminal sends the attribute information of the verified user's ID card data to the business server, and the business server sends a registration completion notification to the terminal. Send to.
  • the disclosure technology aims at the issuer who issued the document to obtain the information of the submission destination of the issued document.
  • the disclosed technology executes the authenticity confirmation of the document data when receiving the request for the authenticity confirmation of the document data from the requester, and obtains the inquiry result of the authenticity confirmation from the requester. Send to. Further, the disclosed technology responds to either the request for authenticity confirmation from the requester or the transmission of the inquiry result of the authenticity confirmation to the requester, and the information of the requester and the document data. It is stored in the first storage unit in association with the identification information. Then, the disclosed technology notifies the issuer of the document data stored in advance in the second storage unit of the information of the request source associated with the identification information of the document data.
  • the issuer who issued the document can obtain the information of the submission destination of the issued document.
  • the information processing system 100 includes a plurality of information processing devices 10, a plurality of issuing terminals 32, a plurality of user terminals 34, and a plurality of submission destination terminals 36. Consists of. In FIG. 1, only one of each of the issuing terminal 32, the user terminal 34, and the submitting destination terminal 36 is shown. The issuing terminal 32, the user terminal 34, the submitting destination terminal 36, and the information processing device 10 are each connected via a network.
  • the issuer terminal 32 is an information processing terminal used by the issuer of the certificate.
  • the publisher is an educational institution such as a language school, a vocational school, an organization that certifies and manages qualifications will be described.
  • the user terminal 34 is an information processing terminal used by the user to whom the certificate is issued.
  • the user is a student or the like who has used the above educational institution.
  • the submission destination terminal 36 is an information processing terminal used by the submission destination to which the user submits the certificate.
  • the submission destination is, for example, an educational institution that the user wants to enroll in, a company that wants to work, or the like.
  • the issuing terminal 32, the user terminal 34, and the submitting destination terminal 36 are distinguished by giving different names for convenience of explanation, but all of them are realized by, for example, a personal computer, a tablet terminal, a smartphone, or the like. be able to.
  • the plurality of information processing devices 10 are service platforms provided by the information processing system 100 according to the present embodiment, and function as each node of the information processing platform 38 utilizing the blockchain. ..
  • the certificate data obtained by converting the certificate into electronic data in a format such as PDF (Portable Document Format) is transmitted from the issuer terminal 32 to the user terminal 34.
  • a registration request including the certificate number, which is the unique identification information of the certificate data, the certificate data, and the issuer ID, which is the identification information of the issuer is transmitted from the issuer terminal 32 to the information processing platform 38. ..
  • the information processing platform 38 registers the processing information (details will be described later) regarding the certificate data on the blockchain.
  • the user submits the issued certificate data to the submission destination.
  • the submission destination is an inquiry from the submission destination terminal 36 including the certificate data, the certificate number of the certificate data, and the submission destination ID which is the identification information of the submission destination.
  • the request is transmitted to the information processing platform 38.
  • the information processing platform 38 confirms the authenticity of the certificate data, stores the information of the submission destination that made the inquiry request, and the inquiry result of the authenticity confirmation on the blockchain, and sends the inquiry result to the submission destination. return. Further, when the information processing platform 38 receives an inquiry or returns the inquiry result, the information processing platform 38 notifies the issuer who issued the target certificate data to that effect.
  • the issuer Upon receiving the notification, the issuer sends a reference request including the certificate number from the issuer terminal 32 to the information processing platform 38.
  • the information processing platform 38 transmits the information of the submission destination to which the corresponding certificate data is submitted and the inquiry result of authenticity confirmation to the issuing terminal 32 in response to the reference request.
  • the information processing device 10 functionally includes a registration unit 12, an execution unit 14, and a notification unit 16. Further, each predetermined storage area of the plurality of information processing devices 10 constituting the blockchain functions as a blockchain database, and the processing information DB (Database) 20 and the institutional information DB 22 are stored.
  • the registration unit 12 receives a registration request including a certificate number, certificate data, and a publisher ID sent from the publisher terminal 32.
  • the registration unit 12 calculates a hash value from the certificate data included in the received registration request, and together with the certificate number and issuer ID included in the received registration request, the processing type (details will be described later), and the processing date and time. It is stored in the processing information DB 20 as processing information.
  • FIG. 4 shows an example of the processing information DB 20.
  • each row corresponds to one processing information.
  • Each processing information includes items such as "certificate number”, “hash value”, “processing type”, “processing person”, “processing date and time”, and "processing result”.
  • Processing type is information indicating what type of processing is performed related to the certificate data. For example, when the information related to the certificate data is stored in the processing information DB 20, that is, the "processing type" of the processing information stored by the registration unit 12 can be “registration”. Further, when the authenticity of the certificate data is confirmed, that is, the processing type of the processing information stored by the execution unit 14 described later can be set to “inquiry”. In addition to “registration” and “inquiry”, other processing types such as “deletion” and “reference” may be set.
  • Processor is information related to certificate data that identifies the institution that requested the processing indicated by the "processing type". For example, when the information related to the certificate data is stored in the processing information DB 20, that is, the "processor" of the processing information stored by the registration unit 12 has the issuer ID included in the registration request received by the registration unit 12. It will be remembered. Further, when the authenticity of the certificate data is confirmed, that is, the "processor" of the processing information stored by the execution unit 14 described later has a submission destination ID included in the inquiry request received by the execution unit 14. It will be remembered.
  • the "processing result” is the result of executing the processing indicated by the "processing type". For example, when the authenticity confirmation of the certificate data is executed, the inquiry result of the authenticity confirmation is stored.
  • the items included in the processing information stored in the processing information DB 20 are not limited to the above items, and information such as the contents of the certificate data, for example, the curriculum course, the qualification examination results, etc. related to the certificate data. May include.
  • the execution unit 14 receives an inquiry request including the certificate data, the certificate number, and the submission destination ID transmitted from the submission destination terminal 36.
  • the execution unit 14 calculates a hash value from the certificate data included in the received inquiry request.
  • the execution unit 14 collates the certificate number and the calculated hash value included in the received inquiry request with the certificate number and the hash value stored in the processing information DB 20, and sets the certificate data to be the target of the inquiry request. Perform authenticity verification.
  • the execution unit 14 confirms the authenticity.
  • the inquiry result of is "true”.
  • the execution unit 14 makes a false (hash value mismatch) inquiry result for authenticity confirmation. ".
  • the inquiry result of authenticity confirmation is set to "false (not applicable)”.
  • the execution unit 14 displays the inquiry result of authenticity confirmation as "Other”. ".
  • the execution unit 14 sets the certificate number and submission destination ID included in the inquiry request received from the submission destination terminal 36, the calculated hash value, the inquiry result of authenticity confirmation, the processing type "inquiry", and the processing date and time. , Stored in the processing information DB 20 as processing information. In addition, the execution unit 14 returns the inquiry result of authenticity confirmation to the submission destination terminal 36 that has sent the inquiry request.
  • the notification unit 16 When the processing information of the processing type "inquiry" is stored in the processing information DB 20, the notification unit 16 notifies the issuer who issued the certificate data indicated by the "certificate number" of the processing information that an inquiry has been made. Notice.
  • the notification unit 16 acquires the "certificate number" of the processing information of the processing type "inquiry" stored in the processing information DB 20, that is, the certificate number of the certificate data whose authenticity has been confirmed. To do. Then, the notification unit 16 refers to the institution information DB 22 in which the information about the institution that uses the service provided by the information processing system 100 is stored, and acquires the issuer's address corresponding to the acquired certificate number.
  • FIG. 5 shows an example of the institutional information DB 22.
  • "institution ID” indicating the issuer ID or submission destination ID
  • "institution name” indicating the issuer ID or submission destination ID
  • "institution name” indicating the issuer ID or submission destination ID
  • "classification” indicating the issuer ID or submission destination ID
  • "address” which are the names of the institution indicated by the institution ID.
  • Information such as "" is stored in association with each other.
  • the "classification” is information indicating whether the institution is the issuer or the submission destination
  • the "address” is used, for example, by the IP address of the issuer terminal 32 or the submission destination terminal 36, or the issuer terminal 32 or the submission destination terminal 36. E-mail address etc.
  • the notification unit 16 sends the certificate number of the certificate data whose authenticity has been confirmed to the address of the acquired issuer terminal 32, so that the issuer can be inquired about the certificate data issued by the issuer. Notify that there was.
  • the processing information DB 20 indicates the certificate number included in the received reference request and the processing type.
  • the processing information including the "inquiry” is acquired and transmitted to the issuing terminal 32.
  • the issuer can acquire the information of the submission destination to which the certificate data issued by the issuer is submitted.
  • the notification unit 16 may acquire the institution name corresponding to the submission destination ID included in the processing information from the institution information DB 22 as the submission destination information and transmit it together with the processing information. Further, the notification unit 16 may transmit the corresponding processing information itself to the issuing terminal 32 as a notification that the inquiry has been made. In this case, the reference request from the issuing terminal 32 becomes unnecessary.
  • the information processing device 10 can be realized by, for example, the computer 40 shown in FIG.
  • the computer 40 includes a CPU (Central Processing Unit) 41, a memory 42 as a temporary storage area, and a non-volatile storage unit 43. Further, the computer 40 includes an input / output device 44 such as an input unit and a display unit, and an R / W (Read / Write) unit 45 that controls reading and writing of data to the storage medium 49. Further, the computer 40 includes a communication I / F (Interface) 46 connected to a network such as the Internet.
  • the CPU 41, the memory 42, the storage unit 43, the input / output device 44, the R / W unit 45, and the communication I / F 46 are connected to each other via the bus 47.
  • the storage unit 43 can be realized by an HDD (Hard Disk Drive), an SSD (Solid State Drive), a flash memory, or the like.
  • the storage unit 43 as a storage medium stores an information processing program 50 for causing the computer 40 to function as the information processing device 10.
  • the information processing program 50 has a registration process 52, an execution process 54, and a notification process 56.
  • the storage unit 43 has an information storage area 60 in which information constituting each of the processing information DB 20 and the institutional information DB 22 is stored.
  • the CPU 41 reads the information processing program 50 from the storage unit 43, expands it in the memory 42, and sequentially executes the processes included in the information processing program 50.
  • the CPU 41 operates as the registration unit 12 shown in FIG.
  • the CPU 41 operates as the execution unit 14 shown in FIG. 3 by executing the execution process 54.
  • the CPU 41 operates as the notification unit 16 shown in FIG. 3 by executing the notification process 56.
  • the CPU 41 reads information from the information storage area 60 and expands each of the processing information DB 20 and the institution information DB 22 into the memory 42.
  • the computer 40 that executes the information processing program 50 functions as the information processing device 10.
  • the CPU 41 that executes the program is hardware.
  • the functions realized by the information processing program 50 can also be realized by, for example, a semiconductor integrated circuit, more specifically, an ASIC (Application Specific Integrated Circuit) or the like.
  • the information processing apparatus 10 executes the registration process shown in FIG. 7. Further, when the inquiry request is transmitted from the submission destination terminal 36, the information processing apparatus 10 executes the inquiry process shown in FIG. Further, when the reference request is transmitted from the issuing terminal 32, the information processing apparatus 10 executes the reference process shown in FIG.
  • the registration process, inquiry process, and reference process are examples of information processing methods of the disclosed technology.
  • step S12 the registration unit 12 receives a registration request including the certificate number, the certificate data, and the issuer ID transmitted from the issuer terminal 32.
  • step S14 the registration unit 12 calculates a hash value from the certificate data included in the registration request received in step S12.
  • the registration unit 12 includes the certificate number and issuer ID (“processor”) included in the received registration request, the hash value calculated in step S14, and the processing type “registration”. , The processing date and time are stored in the processing information DB 20 as processing information. Then, the registration process is completed.
  • processor certificate number and issuer ID
  • step S22 the execution unit 14 receives an inquiry request including the certificate data, the certificate number, and the submission destination ID transmitted from the submission destination terminal 36.
  • step S24 the execution unit 14 calculates a hash value from the certificate data included in the inquiry request received in step S22.
  • step S26 the execution unit 14 collates the certificate number and the calculated hash value included in the received inquiry request with the certificate number and the hash value stored in the processing information DB 20.
  • the execution unit 14 determines the authenticity confirmation inquiry result "true”, “false (hash value mismatch)", “false (not applicable)", or “other” according to the match or mismatch of the certificate number and the hash value. To determine.
  • step S28 the execution unit 14 returns the inquiry result of the authenticity confirmation determined in step S26 to the submission destination terminal 36 that sent the inquiry request.
  • step S30 the execution unit 14 determines the certificate number and submission destination ID (“processing person”) included in the inquiry request, the calculated hash value, and the determined authenticity confirmation inquiry result (“processing result”). ,
  • the processing type "inquiry” and the processing date and time are stored in the processing information DB 20 as processing information.
  • step S32 Notify the issuer who issued the certificate data indicated by. Then, the inquiry process ends.
  • step S42 the notification unit 16 receives the reference request including the certificate number transmitted from the issuing terminal 32.
  • step S44 the notification unit 16 acquires the processing information including the certificate number included in the reference request received in step S42 and the processing type "inquiry" from the processing information DB 20, and issues the issuer. It is transmitted to the terminal 32. Then, the reference process ends.
  • the information processing apparatus when the information processing apparatus receives an inquiry request for confirmation of authenticity of the certificate data from the submission destination of the certificate data, or the inquiry result is received. If it is returned, notify the issuer of the certificate data to that effect. Then, the information of the submission destination and the inquiry result are transmitted to the publisher. As a result, the issuer who issued the certificate data can acquire the information of the submission destination of the issued certificate data. In addition, it is possible to confirm the presence or absence of falsification or forgery of the certificate data from the inquiry result of authenticity confirmation.
  • the issuer is an institution related to qualification examination, it is possible to carry out efficient and effective marketing to increase the number of examinees by knowing where to submit the certificate data.
  • the certification data of the qualification test or the certificate data of the pass certificate is forged and used, the reliability and brand of the qualification test may be impaired.
  • the issuer can grasp the presence or absence of falsification or forgery of the certificate data, it is possible to take measures such as alerting the institution on the web or the submission destination at an early stage.
  • measures such as redesigning the certificate data and embedding a digital watermark can be taken to prevent falsification and forgery.
  • an information processing platform that provides services by the information processing system according to this embodiment will be realized by utilizing the blockchain.
  • falsification of the registered hash value can be prevented, loss of information stored in the processing information DB can be prevented, and the reliability of the system can be ensured.
  • the processing information of the processing type "inquiry" including the inquiry result of the authenticity confirmation of the certificate data is stored in the processing information DB
  • the case of notifying the issuer to that effect will be described.
  • the processing information indicating that the inquiry request has been made may be stored in the processing information DB, and the issuer may be notified to that effect.
  • the certificate data issued by the educational institution has been described as an example of the written data, but the present invention is not limited to this, and for example, another certificate such as an ID card may be used, or a receipt.
  • another certificate such as an ID card may be used, or a receipt.
  • Various forms and other documents may be converted into electronic data.
  • the issuer is not limited to educational institutions, but may be local governments, financial institutions, or the like.
  • the present invention is not limited to this. It may be collated by whether or not a hash value matching the hash value included in the inquiry request exists in the processing information DB.
  • the identification information of the user who issued the certificate data may be added to the certificate number and the hash value for verification.
  • the user terminal 34 may inquire the authenticity confirmation of the certificate data issued to itself or refer to the inquiry result of the authenticity confirmation.
  • the mode in which the information processing program is stored (installed) in the storage unit in advance has been described, but the present invention is not limited to this.
  • the program according to the disclosed technology can also be provided in a form stored in a storage medium such as a CD-ROM, a DVD-ROM, or a USB memory.
  • Information processing device 10
  • Registration unit 14
  • Execution unit 16
  • Notification unit 20
  • Processing information DB 22
  • Institutional information DB 32
  • Publisher terminal 34
  • User terminal 36
  • submission destination terminal 38
  • Information processing platform 40
  • Computer 41
  • Memory 43
  • Storage unit 44
  • Input / output device 49
  • Information processing program 100
  • Information processing system 101

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