AU2719895A - A method for sharing secret information, generating a digital signature, and performing certification in a communication system that has a plurality of information processing apparatuses and a communication system that employs such a method - Google Patents

A method for sharing secret information, generating a digital signature, and performing certification in a communication system that has a plurality of information processing apparatuses and a communication system that employs such a method

Info

Publication number
AU2719895A
AU2719895A AU27198/95A AU2719895A AU2719895A AU 2719895 A AU2719895 A AU 2719895A AU 27198/95 A AU27198/95 A AU 27198/95A AU 2719895 A AU2719895 A AU 2719895A AU 2719895 A AU2719895 A AU 2719895A
Authority
AU
Australia
Prior art keywords
communication system
employs
generating
digital signature
processing apparatuses
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.)
Granted
Application number
AU27198/95A
Other versions
AU702563B2 (en
Inventor
Keiichi Iwamura
Jose Manuel Cerecedo Lopez
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.)
Canon Inc
Original Assignee
Canon Inc
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/en
Priority claimed from JP7008185A external-priority patent/JPH08204697A/en
Priority claimed from JP00818495A external-priority patent/JP3610106B2/en
Application filed by Canon Inc filed Critical Canon Inc
Priority claimed from US08/507,524 external-priority patent/US5708714A/en
Publication of AU2719895A publication Critical patent/AU2719895A/en
Application granted granted Critical
Publication of AU702563B2 publication Critical patent/AU702563B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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
    • H04L9/3215—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 a plurality of channels
    • 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
    • H04L2209/34—Encoding or coding, e.g. Huffman coding or error correction
    • 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
AU27198/95A 1994-07-29 1995-07-26 A method for sharing secret information, generating a digital signature, and performing certification in a communication system that has a plurality of information processing apparatuses and a communication system that employs such a method Ceased AU702563B2 (en)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
JP6-178483 1994-07-29
JP17848394A JP3604737B2 (en) 1994-07-29 1994-07-29 Secret information processing method in communication system having a plurality of information processing devices and communication system thereof
JP7-8184 1995-01-23
JP7008185A JPH08204697A (en) 1995-01-23 1995-01-23 Signature generating method in communication system having plural equipments
JP00818495A JP3610106B2 (en) 1995-01-23 1995-01-23 Authentication method in a communication system having a plurality of devices
JP7-8185 1995-01-23
US08/507,524 US5708714A (en) 1994-07-29 1995-07-26 Method for sharing secret information and performing certification in a communication system that has a plurality of information processing apparatuses

Publications (2)

Publication Number Publication Date
AU2719895A true AU2719895A (en) 1996-02-08
AU702563B2 AU702563B2 (en) 1999-02-25

Family

ID=27454892

Family Applications (1)

Application Number Title Priority Date Filing Date
AU27198/95A Ceased AU702563B2 (en) 1994-07-29 1995-07-26 A method for sharing secret information, generating a digital signature, and performing certification in a communication system that has a plurality of information processing apparatuses and a communication system that employs such a method

Country Status (1)

Country Link
AU (1) AU702563B2 (en)

Also Published As

Publication number Publication date
AU702563B2 (en) 1999-02-25

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