DE69312328T2 - System und verfahren zur änderung des schlüssels oder des kennwortes in einem kommunikationsnetzwerk mit schlüssel- verteilung - Google Patents

System und verfahren zur änderung des schlüssels oder des kennwortes in einem kommunikationsnetzwerk mit schlüssel- verteilung

Info

Publication number
DE69312328T2
DE69312328T2 DE69312328T DE69312328T DE69312328T2 DE 69312328 T2 DE69312328 T2 DE 69312328T2 DE 69312328 T DE69312328 T DE 69312328T DE 69312328 T DE69312328 T DE 69312328T DE 69312328 T2 DE69312328 T2 DE 69312328T2
Authority
DE
Germany
Prior art keywords
key
password
changing
communication network
key distribution
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.)
Expired - Lifetime
Application number
DE69312328T
Other languages
English (en)
Other versions
DE69312328D1 (de
Inventor
Ralf Hauser
Philippe Janson
Refik Molva
Gene Tsudik
Herreweghen Elsie Van
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.)
International Business Machines Corp
Original Assignee
International Business Machines 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
Application filed by International Business Machines Corp filed Critical International Business Machines Corp
Publication of DE69312328D1 publication Critical patent/DE69312328D1/de
Application granted granted Critical
Publication of DE69312328T2 publication Critical patent/DE69312328T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H04L9/08—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
DE69312328T 1993-09-20 1993-09-20 System und verfahren zur änderung des schlüssels oder des kennwortes in einem kommunikationsnetzwerk mit schlüssel- verteilung Expired - Lifetime DE69312328T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
PCT/EP1993/002540 WO1995008885A1 (en) 1993-09-20 1993-09-20 System and method for changing the key or password in a secure distributed communications network
US08/598,481 US5778065A (en) 1993-09-20 1996-02-08 Method and system for changing an authorization password or key in a distributed communication network

Publications (2)

Publication Number Publication Date
DE69312328D1 DE69312328D1 (de) 1997-08-21
DE69312328T2 true DE69312328T2 (de) 1998-01-08

Family

ID=26070064

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69312328T Expired - Lifetime DE69312328T2 (de) 1993-09-20 1993-09-20 System und verfahren zur änderung des schlüssels oder des kennwortes in einem kommunikationsnetzwerk mit schlüssel- verteilung

Country Status (5)

Country Link
US (1) US5778065A (de)
EP (1) EP0720796B1 (de)
JP (1) JP2828218B2 (de)
DE (1) DE69312328T2 (de)
WO (1) WO1995008885A1 (de)

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Also Published As

Publication number Publication date
JP2828218B2 (ja) 1998-11-25
DE69312328D1 (de) 1997-08-21
EP0720796A1 (de) 1996-07-10
EP0720796B1 (de) 1997-07-16
US5778065A (en) 1998-07-07
WO1995008885A1 (en) 1995-03-30
JPH08510581A (ja) 1996-11-05

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8364 No opposition during term of opposition
8320 Willingness to grant licences declared (paragraph 23)
8328 Change in the person/name/address of the agent

Representative=s name: DUSCHER, R., DIPL.-PHYS. DR.RER.NAT., PAT.-ANW., 7