ATE295644T1 - Verfahren zur gemeinsamen nutzung einer geheimen information, zur erzeugung einer digitalen unterschrift und zur ausführung einer beglaubigung in einem kommunikationssystem mit mehreren informationsverarbeitungseinrichtungen und kommunikationssystem zur anwendung dieses verfahrens - Google Patents

Verfahren zur gemeinsamen nutzung einer geheimen information, zur erzeugung einer digitalen unterschrift und zur ausführung einer beglaubigung in einem kommunikationssystem mit mehreren informationsverarbeitungseinrichtungen und kommunikationssystem zur anwendung dieses verfahrens

Info

Publication number
ATE295644T1
ATE295644T1 AT95305211T AT95305211T ATE295644T1 AT E295644 T1 ATE295644 T1 AT E295644T1 AT 95305211 T AT95305211 T AT 95305211T AT 95305211 T AT95305211 T AT 95305211T AT E295644 T1 ATE295644 T1 AT E295644T1
Authority
AT
Austria
Prior art keywords
information
information processing
secret
processing apparatus
communications system
Prior art date
Application number
AT95305211T
Other languages
English (en)
Inventor
Jose Manuel Cerecedo Lopez
Keiichi Iwamura
Original Assignee
Canon Kk
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 JP17848394A external-priority patent/JP3604737B2/ja
Priority claimed from JP7008185A external-priority patent/JPH08204697A/ja
Priority claimed from JP00818495A external-priority patent/JP3610106B2/ja
Application filed by Canon Kk filed Critical Canon Kk
Application granted granted Critical
Publication of ATE295644T1 publication Critical patent/ATE295644T1/de

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
    • 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
    • H04L9/3255—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 group based signatures, e.g. ring or threshold 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
    • H04L2209/60—Digital content management, e.g. content distribution
    • H04L2209/601—Broadcast encryption

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Storage Device Security (AREA)
  • Computer And Data Communications (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
AT95305211T 1994-07-29 1995-07-26 Verfahren zur gemeinsamen nutzung einer geheimen information, zur erzeugung einer digitalen unterschrift und zur ausführung einer beglaubigung in einem kommunikationssystem mit mehreren informationsverarbeitungseinrichtungen und kommunikationssystem zur anwendung dieses verfahrens ATE295644T1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP17848394A JP3604737B2 (ja) 1994-07-29 1994-07-29 複数の情報処理装置を有する通信システムにおける秘密情報処理方法及びその通信システム
JP7008185A JPH08204697A (ja) 1995-01-23 1995-01-23 複数の装置を有する通信システムにおける署名生成方法
JP00818495A JP3610106B2 (ja) 1995-01-23 1995-01-23 複数の装置を有する通信システムにおける認証方法

Publications (1)

Publication Number Publication Date
ATE295644T1 true ATE295644T1 (de) 2005-05-15

Family

ID=27277924

Family Applications (1)

Application Number Title Priority Date Filing Date
AT95305211T ATE295644T1 (de) 1994-07-29 1995-07-26 Verfahren zur gemeinsamen nutzung einer geheimen information, zur erzeugung einer digitalen unterschrift und zur ausführung einer beglaubigung in einem kommunikationssystem mit mehreren informationsverarbeitungseinrichtungen und kommunikationssystem zur anwendung dieses verfahrens

Country Status (6)

Country Link
US (1) US5708714A (de)
EP (1) EP0695056B1 (de)
KR (1) KR0148300B1 (de)
AT (1) ATE295644T1 (de)
CA (1) CA2154970C (de)
DE (1) DE69534192T2 (de)

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Also Published As

Publication number Publication date
CA2154970A1 (en) 1996-01-30
DE69534192D1 (de) 2005-06-16
EP0695056A3 (de) 1997-05-21
DE69534192T2 (de) 2006-02-16
US5708714A (en) 1998-01-13
EP0695056A2 (de) 1996-01-31
KR960006385A (ko) 1996-02-23
KR0148300B1 (ko) 1998-08-17
HK1011809A1 (en) 1999-07-16
EP0695056B1 (de) 2005-05-11
CA2154970C (en) 1999-07-27

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