ATE195043T1 - Kontinuierliche synchrone ver- und entschlüsselung in einem drahtlosen kommunikationssystem während des weiterreichens einer verbindung - Google Patents

Kontinuierliche synchrone ver- und entschlüsselung in einem drahtlosen kommunikationssystem während des weiterreichens einer verbindung

Info

Publication number
ATE195043T1
ATE195043T1 AT93911216T AT93911216T ATE195043T1 AT E195043 T1 ATE195043 T1 AT E195043T1 AT 93911216 T AT93911216 T AT 93911216T AT 93911216 T AT93911216 T AT 93911216T AT E195043 T1 ATE195043 T1 AT E195043T1
Authority
AT
Austria
Prior art keywords
decryption
esc
connection
wireless communications
communications system
Prior art date
Application number
AT93911216T
Other languages
English (en)
Inventor
Charles John Malek
Greg Gilbert Gravunder
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 ATE195043T1 publication Critical patent/ATE195043T1/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
    • H04L9/12—Transmitting and receiving encryption devices synchronised or initially set up in a particular manner
    • 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
    • H04W12/033—Protecting confidentiality, e.g. by encryption of the user plane, e.g. user's traffic
    • 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
    • H04L2209/80—Wireless
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Facsimile Transmission Control (AREA)
  • Transceivers (AREA)
  • Small-Scale Networks (AREA)
AT93911216T 1992-05-22 1993-05-11 Kontinuierliche synchrone ver- und entschlüsselung in einem drahtlosen kommunikationssystem während des weiterreichens einer verbindung ATE195043T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/888,685 US5243653A (en) 1992-05-22 1992-05-22 Method and apparatus for maintaining continuous synchronous encryption and decryption in a wireless communication system throughout a hand-off
PCT/US1993/004420 WO1993025021A1 (en) 1992-05-22 1993-05-11 Continuous synchronous encryption and decryption in a wireless communications system throughout handoffs

Publications (1)

Publication Number Publication Date
ATE195043T1 true ATE195043T1 (de) 2000-08-15

Family

ID=25393671

Family Applications (1)

Application Number Title Priority Date Filing Date
AT93911216T ATE195043T1 (de) 1992-05-22 1993-05-11 Kontinuierliche synchrone ver- und entschlüsselung in einem drahtlosen kommunikationssystem während des weiterreichens einer verbindung

Country Status (14)

Country Link
US (1) US5243653A (de)
EP (1) EP0641505B1 (de)
CN (1) CN1030879C (de)
AT (1) ATE195043T1 (de)
CA (1) CA2135913C (de)
DE (1) DE69329111T2 (de)
DK (1) DK0641505T3 (de)
ES (1) ES2149816T3 (de)
GR (1) GR3034578T3 (de)
MX (1) MX9302947A (de)
MY (1) MY109185A (de)
PT (1) PT641505E (de)
TW (1) TW223207B (de)
WO (1) WO1993025021A1 (de)

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US6909785B1 (en) 1999-11-11 2005-06-21 Qualcomm, Inc. Method and apparatus for efficient irregular synchronization of a stream cipher
US6771776B1 (en) * 1999-11-11 2004-08-03 Qualcomm Incorporated Method and apparatus for re-synchronization of a stream cipher during handoff
US7131006B1 (en) * 1999-11-15 2006-10-31 Verizon Laboratories Inc. Cryptographic techniques for a communications network
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FR2809576B1 (fr) * 2000-05-23 2002-11-15 Nortel Matra Cellular Procede de controle d'un canal entre un terminal radio et une infrastructure de radiocommunication cellulaire, et reseau d'acces mettant en oeuvre un tel procede
FR2809579B1 (fr) * 2000-05-23 2003-07-04 Nortel Matra Cellular Procede de controle d'un canal entre un terminal radio et une infrastructure de radiocommunication cellulaire, et reseau d'acces mettant en oeuvre un tel procede
US7460853B2 (en) * 2000-10-12 2008-12-02 Sony Corporation Wireless module security system and method
US7230939B2 (en) * 2000-10-13 2007-06-12 Sony Corporation Home network using wireless module
US7890947B2 (en) * 2000-10-13 2011-02-15 Sony Corporation System, method and apparatus for embedded firmware code update
US7020118B2 (en) * 2000-10-13 2006-03-28 Sony Corporation System and method for activation of a wireless module
US6907456B2 (en) 2000-10-13 2005-06-14 Sony Corporation Default portal site access with wireless module
US20020080741A1 (en) * 2000-10-13 2002-06-27 Akihiko Toyoshima Multiple wireless format phone system and method
DE10056361A1 (de) * 2000-11-14 2002-05-23 Philips Corp Intellectual Pty Drahtloses Netzwerk zur Übermittlung von Parametern für eine verschlüsselte Datenübertragung
CA2467522C (en) * 2000-12-19 2011-03-29 At&T Wireless Services, Inc. Synchronization of encryption in a wireless communication system
US7684565B2 (en) * 2001-01-16 2010-03-23 General Instrument Corporation System for securely communicating information packets
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JP3687576B2 (ja) * 2001-07-11 2005-08-24 日本電気株式会社 Ａｔｍセル／パケットスイッチ及び該スイッチを用いた通信制御方法
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US7050947B2 (en) * 2002-01-04 2006-05-23 Siemens Vdo Automotive Corporation Remote control communication including secure synchronization
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US8543723B2 (en) * 2004-07-27 2013-09-24 Sony Corporation Home network system with transmission error recovery
GB2418575B (en) * 2004-09-22 2007-01-24 Motorola Inc Receiver and method of receiving an encrypted communication
CN101237381B (zh) * 2007-02-02 2010-07-07 华为技术有限公司 一种传送start值的方法及系统
US8249616B2 (en) * 2007-08-23 2012-08-21 Texas Instruments Incorporated Satellite (GPS) assisted clock apparatus, circuits, systems and processes for cellular terminals on asynchronous networks
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US4893339A (en) * 1986-09-03 1990-01-09 Motorola, Inc. Secure communication system
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US5081679A (en) * 1990-07-20 1992-01-14 Ericsson Ge Mobile Communications Holding Inc. Resynchronization of encryption systems upon handoff

Also Published As

Publication number Publication date
EP0641505A1 (de) 1995-03-08
GR3034578T3 (en) 2001-01-31
ES2149816T3 (es) 2000-11-16
MY109185A (en) 1996-12-31
EP0641505A4 (de) 1997-08-20
DK0641505T3 (da) 2000-11-27
CA2135913C (en) 1998-12-29
MX9302947A (es) 1994-05-31
CN1030879C (zh) 1996-01-31
TW223207B (de) 1994-05-01
EP0641505B1 (de) 2000-07-26
US5243653A (en) 1993-09-07
DE69329111T2 (de) 2001-03-22
CN1082274A (zh) 1994-02-16
CA2135913A1 (en) 1993-12-09
WO1993025021A1 (en) 1993-12-09
DE69329111D1 (de) 2000-08-31
PT641505E (pt) 2000-11-30

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Legal Events

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UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee