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WO2008146667A1 - 匿名認証システムおよび匿名認証方法 - Google Patents

匿名認証システムおよび匿名認証方法 Download PDF

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Publication number
WO2008146667A1
WO2008146667A1 PCT/JP2008/059307 JP2008059307W WO2008146667A1 WO 2008146667 A1 WO2008146667 A1 WO 2008146667A1 JP 2008059307 W JP2008059307 W JP 2008059307W WO 2008146667 A1 WO2008146667 A1 WO 2008146667A1
Authority
WO
WIPO (PCT)
Prior art keywords
authenticating
anonymous
authentication
signature
examinee
Prior art date
Application number
PCT/JP2008/059307
Other languages
English (en)
French (fr)
Inventor
Toshiyuki Isshiki
Original Assignee
Nec Corporation
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 Nec Corporation filed Critical Nec Corporation
Priority to JP2009516261A priority Critical patent/JP5201136B2/ja
Priority to US12/601,422 priority patent/US8914643B2/en
Publication of WO2008146667A1 publication Critical patent/WO2008146667A1/ja

Links

Classifications

    • 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
    • H04L9/3271—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 challenge-response
    • 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
    • G06F21/30—Authentication, i.e. establishing the identity or authorisation of security principals
    • G06F21/31—User authentication
    • 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
    • G06F21/62—Protecting access to data via a platform, e.g. using keys or access control rules
    • G06F21/6218—Protecting access to data via a platform, e.g. using keys or access control rules to a system of files or objects, e.g. local or distributed file system or database
    • G06F21/6245—Protecting personal data, e.g. for financial or medical purposes
    • G06F21/6263—Protecting personal data, e.g. for financial or medical purposes during internet communication, e.g. revealing personal data from cookies
    • 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
    • H04L9/3247—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 digital signatures
    • H04L9/3257—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 digital signatures using blind signatures
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L2209/00—Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
    • H04L2209/42—Anonymization, e.g. involving pseudonyms

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Software Systems (AREA)
  • Computer Hardware Design (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Bioethics (AREA)
  • General Health & Medical Sciences (AREA)
  • Medical Informatics (AREA)
  • Databases & Information Systems (AREA)
  • Storage Device Security (AREA)

Abstract

　グループ管理装置と被認証者装置と検証装置と被認証特定装置とを有する匿名認証システムが開示される。ユーザはあらかじめグループ管理装置に自らの署名を検証できる検証鍵を登録しておく。認証時、ユーザは被認証者装置で自らの署名を生成し、グループの暗号化鍵を用いて、署名を暗号化し、認証データとする。検証装置が、グループの復号鍵を持つ検証補助者の協力を得ながら、認証を行う。必要に応じて、グループの復号鍵を持つ被認証特定装置が、認証データを復号することによって、被認証者の特定を行う。
PCT/JP2008/059307 2007-05-24 2008-05-21 匿名認証システムおよび匿名認証方法 WO2008146667A1 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2009516261A JP5201136B2 (ja) 2007-05-24 2008-05-21 匿名認証システムおよび匿名認証方法
US12/601,422 US8914643B2 (en) 2007-05-24 2008-05-21 Anonymous authentication system and anonymous authentication method

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007-137852 2007-05-24
JP2007137852 2007-05-24

Publications (1)

Publication Number Publication Date
WO2008146667A1 true WO2008146667A1 (ja) 2008-12-04

Family

ID=40074926

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/059307 WO2008146667A1 (ja) 2007-05-24 2008-05-21 匿名認証システムおよび匿名認証方法

Country Status (3)

Country Link
US (1) US8914643B2 (ja)
JP (1) JP5201136B2 (ja)
WO (1) WO2008146667A1 (ja)

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KR101407945B1 (ko) 2009-12-18 2014-06-17 한국전자통신연구원 부분 연결성을 제공하는 익명 인증 서비스 방법
CN111885055A (zh) * 2020-07-22 2020-11-03 中国联合网络通信集团有限公司 一种通信方法及装置
JP2023132934A (ja) * 2022-03-11 2023-09-22 三菱電機インフォメーションシステムズ株式会社 認証情報署名システム、認証装置、認証情報署名プログラム及び認証情報署名方法

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CN111885055A (zh) * 2020-07-22 2020-11-03 中国联合网络通信集团有限公司 一种通信方法及装置
CN111885055B (zh) * 2020-07-22 2023-01-31 中国联合网络通信集团有限公司 一种通信方法及装置
JP2023132934A (ja) * 2022-03-11 2023-09-22 三菱電機インフォメーションシステムズ株式会社 認証情報署名システム、認証装置、認証情報署名プログラム及び認証情報署名方法

Also Published As

Publication number Publication date
US20100174911A1 (en) 2010-07-08
JP5201136B2 (ja) 2013-06-05
JPWO2008146667A1 (ja) 2010-08-19
US8914643B2 (en) 2014-12-16

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