HK1099152A1 - Secret information management system and method based on secret sharing scheme - Google Patents

Secret information management system and method based on secret sharing scheme

Info

Publication number
HK1099152A1
HK1099152A1 HK07105595.1A HK07105595A HK1099152A1 HK 1099152 A1 HK1099152 A1 HK 1099152A1 HK 07105595 A HK07105595 A HK 07105595A HK 1099152 A1 HK1099152 A1 HK 1099152A1
Authority
HK
Hong Kong
Prior art keywords
secret
management system
method based
information management
sharing scheme
Prior art date
Application number
HK07105595.1A
Other languages
English (en)
Inventor
Makoto Kagaya
Toshihiko Ogihara
Susumu Nomura
Original Assignee
Ntt Comm Corp
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
Priority claimed from JP2004033352A external-priority patent/JP4602675B2/ja
Priority claimed from JP2004033355A external-priority patent/JP4708713B2/ja
Priority claimed from JP2004169001A external-priority patent/JP4664008B2/ja
Application filed by Ntt Comm Corp filed Critical Ntt Comm Corp
Publication of HK1099152A1 publication Critical patent/HK1099152A1/xx

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
    • H04L9/08—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
    • 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
    • G06Q20/00—Payment architectures, schemes or protocols
    • G06Q20/38—Payment protocols; Details thereof
    • G06Q20/382—Payment protocols; Details thereof insuring higher security of transaction
    • 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
    • G06Q20/00—Payment architectures, schemes or protocols
    • G06Q20/38—Payment protocols; Details thereof
    • G06Q20/382—Payment protocols; Details thereof insuring higher security of transaction
    • G06Q20/3829—Payment protocols; Details thereof insuring higher security of transaction involving key management

Landscapes

  • Engineering & Computer Science (AREA)
  • Business, Economics & Management (AREA)
  • Accounting & Taxation (AREA)
  • Computer Security & Cryptography (AREA)
  • Physics & Mathematics (AREA)
  • Strategic Management (AREA)
  • Finance (AREA)
  • General Business, Economics & Management (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Storage Device Security (AREA)
HK07105595.1A 2004-02-10 2007-05-28 Secret information management system and method based on secret sharing scheme HK1099152A1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2004033352A JP4602675B2 (ja) 2004-02-10 2004-02-10 機密情報管理システム、機密情報管理方法、および機密情報管理プログラム、並びに機密情報管理システム用端末プログラム
JP2004033355A JP4708713B2 (ja) 2004-02-10 2004-02-10 機密情報管理システム、機密情報管理方法、および機密情報管理プログラム
JP2004169001A JP4664008B2 (ja) 2004-06-07 2004-06-07 アクセス権管理システム、アクセス権管理装置、アクセス権管理方法、端末用プログラム、及びアクセス権管理プログラム
PCT/JP2005/002514 WO2005076518A1 (en) 2004-02-10 2005-02-10 Secret information management scheme based on secret sharing scheme

Publications (1)

Publication Number Publication Date
HK1099152A1 true HK1099152A1 (en) 2007-08-03

Family

ID=34841524

Family Applications (1)

Application Number Title Priority Date Filing Date
HK07105595.1A HK1099152A1 (en) 2004-02-10 2007-05-28 Secret information management system and method based on secret sharing scheme

Country Status (4)

Country Link
US (1) US8085938B2 (de)
EP (1) EP1714423B1 (de)
HK (1) HK1099152A1 (de)
WO (1) WO2005076518A1 (de)

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Also Published As

Publication number Publication date
US8085938B2 (en) 2011-12-27
EP1714423B1 (de) 2017-03-29
WO2005076518A1 (en) 2005-08-18
EP1714423A1 (de) 2006-10-25
US20070160197A1 (en) 2007-07-12

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