ATE298181T1 - Kommunikationssystem, kommunikationseinheit und verfahren zur dynamische änderung des kryptoschlüssels - Google Patents

Kommunikationssystem, kommunikationseinheit und verfahren zur dynamische änderung des kryptoschlüssels

Info

Publication number
ATE298181T1
ATE298181T1 AT02007495T AT02007495T ATE298181T1 AT E298181 T1 ATE298181 T1 AT E298181T1 AT 02007495 T AT02007495 T AT 02007495T AT 02007495 T AT02007495 T AT 02007495T AT E298181 T1 ATE298181 T1 AT E298181T1
Authority
AT
Austria
Prior art keywords
encryption
change
key
communication system
communication unit
Prior art date
Application number
AT02007495T
Other languages
English (en)
Inventor
Jason Johur
Rafy Carmon
Original Assignee
Motorola 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
Application filed by Motorola Inc filed Critical Motorola Inc
Application granted granted Critical
Publication of ATE298181T1 publication Critical patent/ATE298181T1/de

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
    • H04W12/04—Key management, e.g. using generic bootstrapping architecture [GBA]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
    • H04W12/03—Protecting confidentiality, e.g. by encryption
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/06—Network architectures or network communication protocols for network security for supporting key management in a packet data network
    • H04L63/068—Network architectures or network communication protocols for network security for supporting key management in a packet data network using time-dependent keys, e.g. periodically changing keys

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Communication Control (AREA)
  • Telephonic Communication Services (AREA)
  • Cash Registers Or Receiving Machines (AREA)
AT02007495T 2001-04-23 2002-04-02 Kommunikationssystem, kommunikationseinheit und verfahren zur dynamische änderung des kryptoschlüssels ATE298181T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0109909A GB2375005B (en) 2001-04-23 2001-04-23 Communication system, communication unit and method for dynamically changing an encryption key

Publications (1)

Publication Number Publication Date
ATE298181T1 true ATE298181T1 (de) 2005-07-15

Family

ID=9913273

Family Applications (1)

Application Number Title Priority Date Filing Date
AT02007495T ATE298181T1 (de) 2001-04-23 2002-04-02 Kommunikationssystem, kommunikationseinheit und verfahren zur dynamische änderung des kryptoschlüssels

Country Status (7)

Country Link
EP (1) EP1253797B1 (de)
AT (1) ATE298181T1 (de)
DE (1) DE60204626T2 (de)
DK (1) DK1253797T3 (de)
ES (1) ES2243615T3 (de)
GB (1) GB2375005B (de)
PT (1) PT1253797E (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0129928D0 (en) * 2001-12-14 2002-02-06 Ibm Method and apparatus for encryption of data
GB2418320B (en) * 2004-09-15 2007-09-19 Motorola Inc A communication system and method of call group management therefor
DE602006000817T2 (de) 2006-02-03 2008-07-17 Research In Motion Ltd., Waterloo System und Methode für steuernde Datenkommunikation zwischen einem Server und einer Client-Vorrichtung
CN113473468B (zh) * 2021-09-02 2021-11-23 中国电力科学研究院有限公司 一种宽带认知无线通信方法及系统

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5404404A (en) * 1993-07-01 1995-04-04 Motorola, Inc. Method for updating encryption key information in communication units
US5412722A (en) * 1993-08-31 1995-05-02 Motorola, Inc. Encryption key management
US5619572A (en) * 1994-06-16 1997-04-08 Motorola, Inc. Method and apparatus for providing secure communications for a requested call
FI107669B (fi) * 1998-02-13 2001-09-14 Nokia Mobile Phones Ltd Menetelmä ja järjestely tiedonsiirron salaamiseksi
EP1104213A3 (de) * 1999-11-29 2003-05-21 Philips Intellectual Property & Standards GmbH Drahtloses Netzwerk mit einer Prozedur zur Schlüsseländerung

Also Published As

Publication number Publication date
GB2375005B (en) 2003-07-09
ES2243615T3 (es) 2005-12-01
PT1253797E (pt) 2005-09-30
DK1253797T3 (da) 2005-10-10
EP1253797A2 (de) 2002-10-30
GB2375005A (en) 2002-10-30
EP1253797B1 (de) 2005-06-15
EP1253797A3 (de) 2003-03-05
DE60204626T2 (de) 2006-04-27
DE60204626D1 (de) 2005-07-21
GB0109909D0 (en) 2001-06-13

Similar Documents

Publication Publication Date Title
HUP0303057A2 (en) Method and radiotelephone and telecommunication system for supporting radio acknowledgement information
DE60043414D1 (de) Gerät und Übertragungsverfahren für visuelle Anruferinformation in Mobilkommunikationsnetzwerken
CN102752106B (zh) 无线接入网络控制器及其同步方法
WO2002080454A3 (en) Method and apparatus for broacast services in a wireless communication system
WO1999035591A3 (en) A system for programming a mobile device in a protocol, device, and network independent fashion
WO2007050996A3 (en) A method and apparatus for requesting pilotreport in wireless communication systems
DE60218423D1 (de) Verfahren und Vorrichtung zur Verbesserung der nutzung des Funkspektrums und zur reduzierung von verzögerungen bei PSI Paketen
WO2004047316A3 (en) A communications system
WO2003105442A3 (en) PACKET STREAM PROCESSING IN A COMMUNICATION SYSTEM
IL155535A0 (en) Method and apparatus for determining a data rate in a high rate packet data wireless communications system
WO2004095812A3 (en) Establishing emergency sessions in packet data networks for wireless devices having invalid subscriber identities
BR0013461A (pt) Sistema e método de seleção de domìnio
WO2004010629A3 (en) Method and system for handovers using service description data
MY154955A (en) Device, system and method for channel scanning
UA100939C2 (ru) Способ и устройство для передачи сообщения по общему каналу управления для произвольного доступа в беспроводной сети
HK1080324A1 (en) Methods and system for limiting communication capabilities in mobile communication devices
ATE283611T1 (de) System und protokoll zur erweiterung des funktionsumfangs von drahtloser nachrichtenkommunikation
FI20001734A (fi) Datansiirtomenetelmä, tilaajapäätelaite ja GPRS/EDGE-radioliityntäverkko
FI20012179A (fi) Tiedonsiirtomenetelmä ja -järjestelmä
DE602004015496D1 (de) Benutzung eines gemeinsam benutzten geheimnisses für bootstrapping
ATE460799T1 (de) Kommunikationsverwaltungsverfahren in einem netzwerk, signal, vorrichtung und empfangsgerät dafür
GB0101115D0 (en) Improvements in or relating to radio communications network
ATE298181T1 (de) Kommunikationssystem, kommunikationseinheit und verfahren zur dynamische änderung des kryptoschlüssels
HK1125246A1 (en) Method and system for a transmit channel request messaging for half-duplex voice communications systems
JP2009049542A (ja) 通信制御方法及びこれが適用される基地局

Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification

Ref document number: 1253797

Country of ref document: EP

REN Ceased due to non-payment of the annual fee