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DE69631339D1 - Verwaltung kryptographischer schlüssel - Google Patents

Verwaltung kryptographischer schlüssel

Info

Publication number
DE69631339D1
DE69631339D1 DE69631339T DE69631339T DE69631339D1 DE 69631339 D1 DE69631339 D1 DE 69631339D1 DE 69631339 T DE69631339 T DE 69631339T DE 69631339 T DE69631339 T DE 69631339T DE 69631339 D1 DE69631339 D1 DE 69631339D1
Authority
DE
Germany
Prior art keywords
administration
cryptographic keys
cryptographic
keys
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
DE69631339T
Other languages
English (en)
Other versions
DE69631339T2 (de
Inventor
John Proctor
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.)
Ericsson AB
Original Assignee
Marconi UK Intellectual Property Ltd
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 Marconi UK Intellectual Property Ltd filed Critical Marconi UK Intellectual Property Ltd
Application granted granted Critical
Publication of DE69631339D1 publication Critical patent/DE69631339D1/de
Publication of DE69631339T2 publication Critical patent/DE69631339T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/04—Selecting arrangements for multiplex systems for time-division multiplexing
    • H04Q11/0428—Integrated services digital network, i.e. systems for transmission of different types of digitised signals, e.g. speech, data, telecentral, television signals
    • H04Q11/0478—Provisions for broadband connections
    • 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
    • H04L9/0819—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s)
    • H04L9/0827—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s) involving distinctive intermediate devices or communication paths
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/54—Store-and-forward switching systems 
    • H04L12/56—Packet switching systems
    • H04L12/5601—Transfer mode dependent, e.g. ATM
    • H04L2012/5687—Security aspects

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computer Security & Cryptography (AREA)
  • Signal Processing (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Storage Device Security (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
DE69631339T 1995-11-04 1996-10-24 Verwaltung kryptographischer schlüssel Expired - Lifetime DE69631339T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GBGB9522639.5A GB9522639D0 (en) 1995-11-04 1995-11-04 Encryption key management
GB9522639 1995-11-04
PCT/GB1996/002597 WO1997017781A1 (en) 1995-11-04 1996-10-24 Encryption key management

Publications (2)

Publication Number Publication Date
DE69631339D1 true DE69631339D1 (de) 2004-02-19
DE69631339T2 DE69631339T2 (de) 2004-06-24

Family

ID=10783402

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69631339T Expired - Lifetime DE69631339T2 (de) 1995-11-04 1996-10-24 Verwaltung kryptographischer schlüssel

Country Status (9)

Country Link
US (1) US6480608B2 (de)
EP (1) EP0862823B1 (de)
JP (1) JP4094058B2 (de)
CN (1) CN1097904C (de)
AU (1) AU719416B2 (de)
DE (1) DE69631339T2 (de)
GB (2) GB9522639D0 (de)
NO (1) NO982018L (de)
WO (1) WO1997017781A1 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19726003A1 (de) * 1997-06-19 1998-12-24 Alsthom Cge Alcatel Verfahren zum Übermitteln verschlüsselter Signale, sowie Sendeeinrichtung und Empfangseinrichtung dafür
US20040148356A1 (en) * 2002-11-04 2004-07-29 Bishop James William System and method for private messaging
JP4734244B2 (ja) * 2003-07-29 2011-07-27 トムソン ライセンシング 無線ローカルエリアネットワークのための鍵同期メカニズム
US8050410B2 (en) * 2006-12-08 2011-11-01 Uti Limited Partnership Distributed encryption methods and systems
US20080144836A1 (en) * 2006-12-13 2008-06-19 Barry Sanders Distributed encryption authentication methods and systems
DE102007033667A1 (de) * 2007-07-17 2009-01-22 GSMK Gesellschaft für sichere mobile Kommunikation mbH Verfahren und Vorrichtung für eine anonyme verschlüsselte mobile Daten- und Sprachkommunikation

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4965804A (en) * 1989-02-03 1990-10-23 Racal Data Communications Inc. Key management for encrypted packet based networks
US5016243A (en) * 1989-11-06 1991-05-14 At&T Bell Laboratories Automatic fault recovery in a packet network
NZ237080A (en) * 1990-03-07 1993-05-26 Ericsson Telefon Ab L M Continuous synchronisation for duplex encrypted digital cellular telephony
JPH04154242A (ja) * 1990-10-17 1992-05-27 Nec Corp ネットワーク障害回復方式
US5412376A (en) * 1990-11-09 1995-05-02 Fujitsu Limited Method for structuring communications network based on asynchronous transfer mode
US5442702A (en) * 1993-11-30 1995-08-15 At&T Corp. Method and apparatus for privacy of traffic behavior on a shared medium network
US5455826A (en) * 1994-06-28 1995-10-03 Oezveren; Cueneyt M. Method and apparatus for rate based flow control
JPH08195745A (ja) * 1995-01-13 1996-07-30 Fujitsu Ltd パス切替装置およびパス切替方法
FR2742616B1 (fr) * 1995-12-18 1998-01-09 Cit Alcatel Dispositif de chiffrement et dispositif de dechiffrement d'informations transportees par des cellules a mode de transfert asynchrone
US5805705A (en) * 1996-01-29 1998-09-08 International Business Machines Corporation Synchronization of encryption/decryption keys in a data communication network
DE19726003A1 (de) * 1997-06-19 1998-12-24 Alsthom Cge Alcatel Verfahren zum Übermitteln verschlüsselter Signale, sowie Sendeeinrichtung und Empfangseinrichtung dafür

Also Published As

Publication number Publication date
AU719416B2 (en) 2000-05-11
GB2307153B (en) 1999-10-06
GB9619904D0 (en) 1996-11-06
WO1997017781A1 (en) 1997-05-15
JP4094058B2 (ja) 2008-06-04
AU2468697A (en) 1997-05-29
EP0862823A1 (de) 1998-09-09
CN1097904C (zh) 2003-01-01
NO982018D0 (no) 1998-05-04
GB2307153A (en) 1997-05-14
JP2000500301A (ja) 2000-01-11
DE69631339T2 (de) 2004-06-24
CN1201570A (zh) 1998-12-09
NO982018L (no) 1998-05-04
EP0862823B1 (de) 2004-01-14
GB9522639D0 (en) 1996-01-03
US20010040967A1 (en) 2001-11-15
US6480608B2 (en) 2002-11-12

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: ERICSSON AB, STOCKHOLM, SE

8328 Change in the person/name/address of the agent

Representative=s name: 2K PATENTANWAELTE BLASBERG KEWITZ & REICHEL, PARTN