WO2008099682A1 - 分散情報配布装置、保持装置、認証局装置及びシステム - Google Patents

分散情報配布装置、保持装置、認証局装置及びシステム Download PDF

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Publication number
WO2008099682A1
WO2008099682A1 PCT/JP2008/051530 JP2008051530W WO2008099682A1 WO 2008099682 A1 WO2008099682 A1 WO 2008099682A1 JP 2008051530 W JP2008051530 W JP 2008051530W WO 2008099682 A1 WO2008099682 A1 WO 2008099682A1
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WO
WIPO (PCT)
Prior art keywords
shared information
distributing
holding
sets
information
Prior art date
Application number
PCT/JP2008/051530
Other languages
English (en)
French (fr)
Inventor
Manabu Maeda
Masao Nonaka
Yuichi Futa
Kaoru Yokota
Natsume Matsuzaki
Hiroki Shizuya
Masao Sakai
Shuji Isobe
Eisuke Koizumi
Shingo Hasegawa
Masaki Yoshida
Original Assignee
Panasonic 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 Panasonic Corporation filed Critical Panasonic Corporation
Priority to JP2008558035A priority Critical patent/JP5214474B2/ja
Priority to US12/526,668 priority patent/US8930660B2/en
Publication of WO2008099682A1 publication Critical patent/WO2008099682A1/ja
Priority to US14/553,084 priority patent/US9166972B2/en

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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
    • H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
    • H04L9/0816—Key establishment, i.e. cryptographic processes or cryptographic protocols whereby a shared secret becomes available to two or more parties, for subsequent use
    • H04L9/085—Secret sharing or secret splitting, e.g. threshold schemes
    • 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
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
    • H04L9/0891—Revocation or update of secret information, e.g. encryption key update or rekeying

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Hardware Design (AREA)
  • Computing Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Storage Device Security (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Computer And Data Communications (AREA)

Abstract

　分散情報が破壊されたり、改竄されたりした場合でも秘密情報を正しく生成することとのできる配布装置を提供することを目的とする。 　秘密分散法に従って秘密情報を管理するシステムにおいて用いられる分散情報配布装置は、１つの秘密情報を第１から第ｎの分散情報に分解する分解手段と、前記第１から第ｎの分散情報をｎ台の保持装置に、１装置当り１情報という情報が重複しない形態で配布する第１配布手段と、前記第１から第ｎの分散情報の各々を、前記第１配布手段が配布する第ｉ番目の分散情報（ｉは１以上ｎ以下の整数）とは別の分散情報を併せて保持するように、前記ｎ台の保持装置へ配布する第２配布手段とを備える。
PCT/JP2008/051530 2007-02-16 2008-01-31 分散情報配布装置、保持装置、認証局装置及びシステム WO2008099682A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2008558035A JP5214474B2 (ja) 2007-02-16 2008-01-31 分散情報配布装置、保持装置、認証局装置及びシステム
US12/526,668 US8930660B2 (en) 2007-02-16 2008-01-31 Shared information distributing device, holding device, certificate authority device, and system
US14/553,084 US9166972B2 (en) 2007-02-16 2014-11-25 Shared information distributing device, holding device, certificate authority device, and system

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007-036375 2007-02-16
JP2007036375 2007-02-16

Related Child Applications (2)

Application Number Title Priority Date Filing Date
US12/526,668 A-371-Of-International US8930660B2 (en) 2007-02-16 2008-01-31 Shared information distributing device, holding device, certificate authority device, and system
US14/553,084 Division US9166972B2 (en) 2007-02-16 2014-11-25 Shared information distributing device, holding device, certificate authority device, and system

Publications (1)

Publication Number Publication Date
WO2008099682A1 true WO2008099682A1 (ja) 2008-08-21

Family

ID=39689927

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/051530 WO2008099682A1 (ja) 2007-02-16 2008-01-31 分散情報配布装置、保持装置、認証局装置及びシステム

Country Status (3)

Country Link
US (2) US8930660B2 (ja)
JP (1) JP5214474B2 (ja)
WO (1) WO2008099682A1 (ja)

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WO2010092830A1 (ja) 2009-02-16 2010-08-19 パナソニック株式会社 改竄監視システム、管理装置及び改竄管理方法
WO2011135797A1 (ja) 2010-04-26 2011-11-03 パナソニック株式会社 改ざん監視システム、管理装置及び改ざん管理方法
WO2012056656A1 (ja) 2010-10-28 2012-05-03 パナソニック株式会社 改ざん監視システム、保護制御モジュール及び検知モジュール
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US8707430B2 (en) 2010-04-26 2014-04-22 Panasonic Corporation Tampering monitoring system, management apparatus, and management method
US8745735B2 (en) 2008-11-26 2014-06-03 Panasonic Corporation Monitoring system, program-executing device, monitoring program, recording medium and integrated circuit
JP2015132754A (ja) * 2014-01-15 2015-07-23 日本電信電話株式会社 マルチパーティ計算システム、秘匿計算装置、マルチパーティ計算方法及びプログラム
US9311487B2 (en) 2011-03-15 2016-04-12 Panasonic Corporation Tampering monitoring system, management device, protection control module, and detection module
JP2019004351A (ja) * 2017-06-16 2019-01-10 株式会社リコー 情報処理装置、情報処理システム、鍵管理方法
JP2020526069A (ja) * 2017-06-26 2020-08-27 エヌチェーン ホールディングス リミテッドＮｃｈａｉｎ Ｈｏｌｄｉｎｇｓ Ｌｉｍｉｔｅｄ 制御された暗号化秘密鍵の開放
JP7572467B2 (ja) 2017-06-26 2024-10-23 エヌチェーン ライセンシング アーゲー 制御された暗号化秘密鍵の開放

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US8745735B2 (en) 2008-11-26 2014-06-03 Panasonic Corporation Monitoring system, program-executing device, monitoring program, recording medium and integrated circuit
JP2010152877A (ja) * 2008-11-26 2010-07-08 Panasonic Corp ソフトウェア更新システム、管理装置、記録媒体及び集積回路
JP2010176064A (ja) * 2009-02-02 2010-08-12 Kddi Corp 無効化処理システム、無効化処理方法およびプログラム
JP5453324B2 (ja) * 2009-02-16 2014-03-26 パナソニック株式会社 不正モジュール特定装置、情報処理装置、不正モジュール特定方法、不正モジュール特定プログラム、集積回路、不正モジュール無効化システム、および不正モジュール無効化方法
WO2010092830A1 (ja) 2009-02-16 2010-08-19 パナソニック株式会社 改竄監視システム、管理装置及び改竄管理方法
WO2010092832A1 (ja) 2009-02-16 2010-08-19 パナソニック株式会社 不正モジュール特定装置、情報処理装置、不正モジュール特定方法、不正モジュール特定プログラム、集積回路、不正モジュール無効化システム、および不正モジュール無効化方法
US8726374B2 (en) 2009-02-16 2014-05-13 Panasonic Corporation Tampering monitoring system, control device, and tampering control method
US8544093B2 (en) 2009-02-16 2013-09-24 Panasonic Corporation Illegal module identifying device, information processing device, illegal module identifying method, illegal module identifying program, integrated circuit, illegal module disabling system, and illegal module disabling method
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US8683214B2 (en) 2009-09-17 2014-03-25 Panasonic Corporation Method and device that verifies application program modules
US8707430B2 (en) 2010-04-26 2014-04-22 Panasonic Corporation Tampering monitoring system, management apparatus, and management method
WO2011135797A1 (ja) 2010-04-26 2011-11-03 パナソニック株式会社 改ざん監視システム、管理装置及び改ざん管理方法
WO2012056656A1 (ja) 2010-10-28 2012-05-03 パナソニック株式会社 改ざん監視システム、保護制御モジュール及び検知モジュール
US8769312B2 (en) 2010-10-28 2014-07-01 Panasonic Corporation Tampering monitoring system, protection control module, and detection module
US9311487B2 (en) 2011-03-15 2016-04-12 Panasonic Corporation Tampering monitoring system, management device, protection control module, and detection module
JP2015132754A (ja) * 2014-01-15 2015-07-23 日本電信電話株式会社 マルチパーティ計算システム、秘匿計算装置、マルチパーティ計算方法及びプログラム
JP2019004351A (ja) * 2017-06-16 2019-01-10 株式会社リコー 情報処理装置、情報処理システム、鍵管理方法
JP2020526069A (ja) * 2017-06-26 2020-08-27 エヌチェーン ホールディングス リミテッドＮｃｈａｉｎ Ｈｏｌｄｉｎｇｓ Ｌｉｍｉｔｅｄ 制御された暗号化秘密鍵の開放
JP7208930B2 (ja) 2017-06-26 2023-01-19 エヌチェーン ライセンシング アーゲー 制御された暗号化秘密鍵の開放
US11870894B2 (en) 2017-06-26 2024-01-09 Nchain Licensing Ag Controlled cryptographic private key release
JP7572467B2 (ja) 2017-06-26 2024-10-23 エヌチェーン ライセンシング アーゲー 制御された暗号化秘密鍵の開放

Also Published As

Publication number Publication date
US20150121079A1 (en) 2015-04-30
JP5214474B2 (ja) 2013-06-19
JPWO2008099682A1 (ja) 2010-05-27
US20100235588A1 (en) 2010-09-16
US9166972B2 (en) 2015-10-20
US8930660B2 (en) 2015-01-06

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