EP2353250A4 - Method and system for synchronization of cryptographic devices for gsm voice channel encryption - Google Patents

Method and system for synchronization of cryptographic devices for gsm voice channel encryption

Info

Publication number
EP2353250A4
EP2353250A4 EP09826332.0A EP09826332A EP2353250A4 EP 2353250 A4 EP2353250 A4 EP 2353250A4 EP 09826332 A EP09826332 A EP 09826332A EP 2353250 A4 EP2353250 A4 EP 2353250A4
Authority
EP
European Patent Office
Prior art keywords
synchronization
system
method
voice channel
gsm voice
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.)
Withdrawn
Application number
EP09826332.0A
Other languages
German (de)
French (fr)
Other versions
EP2353250A2 (en
Inventor
Yaakob Wira Firdaus Bin Haji
Talib Azhar Bin Abu
Noor Beg Ahmad Raif Bin Mohamed
Aziz Raja Mohd Fuad Tengku
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.)
MIMOS Berhad
Original Assignee
MIMOS Berhad
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 to MYPI20084590 priority Critical patent/MY152148A/en
Application filed by MIMOS Berhad filed Critical MIMOS Berhad
Priority to PCT/MY2009/000191 priority patent/WO2010056106A2/en
Publication of EP2353250A2 publication Critical patent/EP2353250A2/en
Publication of EP2353250A4 publication Critical patent/EP2353250A4/en
Application status is Withdrawn legal-status Critical

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00Cryptographic mechanisms or cryptographic arrangements for secret or secure communication
    • H04L9/06Cryptographic mechanisms or cryptographic arrangements for secret or secure communication the encryption apparatus using shift registers or memories for block-wise or stream coding, e.g. DES systems or RC4; Hash functions; Pseudorandom sequence generators
    • H04L9/065Encryption by serially and continuously modifying data stream elements, e.g. stream cipher systems, RC4, SEAL or A5/3
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W12/00Security arrangements, e.g. access security or fraud detection; Authentication, e.g. verifying user identity or authorisation; Protecting privacy or anonymity ; Protecting confidentiality; Key management; Integrity; Mobile application security; Using identity modules; Secure pairing of devices; Context aware security; Lawful interception
    • H04W12/02Protecting privacy or anonymity, e.g. protecting personally identifiable information [PII]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L2209/00Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
    • H04L2209/80Wireless
EP09826332.0A 2008-11-14 2009-11-12 Method and system for synchronization of cryptographic devices for gsm voice channel encryption Withdrawn EP2353250A4 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
MYPI20084590 MY152148A (en) 2008-11-14 2008-11-14 Method and system for synchronization of cryptographic devices for gsm voice channel encryption
PCT/MY2009/000191 WO2010056106A2 (en) 2008-11-14 2009-11-12 Method and system for synchronization of cryptographic devices for gsm voice channel encryption

Publications (2)

Publication Number Publication Date
EP2353250A2 EP2353250A2 (en) 2011-08-10
EP2353250A4 true EP2353250A4 (en) 2013-05-29

Family

ID=42170567

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09826332.0A Withdrawn EP2353250A4 (en) 2008-11-14 2009-11-12 Method and system for synchronization of cryptographic devices for gsm voice channel encryption

Country Status (3)

Country Link
EP (1) EP2353250A4 (en)
MY (1) MY152148A (en)
WO (1) WO2010056106A2 (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3659046A (en) * 1968-05-15 1972-04-25 Sits Soc It Telecom Siemens Message scrambler for pcm communication system
US4817148A (en) * 1987-07-06 1989-03-28 Wegener Communications, Inc. Signal scrambling transmission system
US5487066A (en) * 1988-03-21 1996-01-23 First Pacific Networks, Inc. Distributed intelligence network using time and frequency multiplexing
EP1111956A2 (en) * 1999-12-22 2001-06-27 Alcatel USA Sourcing, L.P. Variable rate subscriber bus
US6516004B1 (en) * 1997-07-31 2003-02-04 T. Sqware Inc. HDLC digital data transmission protocol controller
US20050232422A1 (en) * 2004-04-19 2005-10-20 Jingdong Lin GSM (Global System for Mobile communication) handset with carrier independent personal encryption

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2843258B1 (en) * 2002-07-30 2004-10-15 Eads Defence & Security Ntwk A method of transmitting encrypted data, METHOD deciphering associates devices for their implementation, and mobile terminal incorporating them.
US6944245B2 (en) * 2003-10-17 2005-09-13 Motorola, Inc. Multi-pass interference reduction in a GSM communication system

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3659046A (en) * 1968-05-15 1972-04-25 Sits Soc It Telecom Siemens Message scrambler for pcm communication system
US4817148A (en) * 1987-07-06 1989-03-28 Wegener Communications, Inc. Signal scrambling transmission system
US5487066A (en) * 1988-03-21 1996-01-23 First Pacific Networks, Inc. Distributed intelligence network using time and frequency multiplexing
US6516004B1 (en) * 1997-07-31 2003-02-04 T. Sqware Inc. HDLC digital data transmission protocol controller
EP1111956A2 (en) * 1999-12-22 2001-06-27 Alcatel USA Sourcing, L.P. Variable rate subscriber bus
US20050232422A1 (en) * 2004-04-19 2005-10-20 Jingdong Lin GSM (Global System for Mobile communication) handset with carrier independent personal encryption

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2010056106A2 *

Also Published As

Publication number Publication date
WO2010056106A3 (en) 2010-09-10
EP2353250A2 (en) 2011-08-10
MY152148A (en) 2014-08-15
WO2010056106A2 (en) 2010-05-20

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Legal Events

Date Code Title Description
AK Designated contracting states:

Kind code of ref document: A2

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR

17P Request for examination filed

Effective date: 20110607

RIN1 Inventor (correction)

Inventor name: MOHAMED NOOR BEG, AHMAD RAIF BIN

Inventor name: ABU TALIB, AZHAR BIN

Inventor name: HAJI YAAKOB, WIRA FIRDAUS BIN

Inventor name: TENGKU AZIZ, RAJA MOHD FUAD

DAX Request for extension of the european patent (to any country) deleted
A4 Despatch of supplementary search report

Effective date: 20130503

RIC1 Classification (correction)

Ipc: H04W 12/04 20090101ALN20130425BHEP

Ipc: H04L 7/00 20060101ALI20130425BHEP

Ipc: H04L 9/12 20060101AFI20130425BHEP

Ipc: H04L 9/06 20060101ALI20130425BHEP

17Q First examination report

Effective date: 20150413

18D Deemed to be withdrawn

Effective date: 20150825