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
voice channel
gsm voice
channel encryption
cryptographic devices
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Withdrawn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 Bhd
Original Assignee
Mimos Bhd
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 Mimos Bhd filed Critical Mimos Bhd
Publication of EP2353250A2 publication Critical patent/EP2353250A2/en
Publication of EP2353250A4 publication Critical patent/EP2353250A4/en
Withdrawn legal-status Critical Current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
    • H04L9/06—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols 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
    • H04L9/065—Encryption by serially and continuously modifying data stream elements, e.g. stream cipher systems, RC4, SEAL or A5/3
    • 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
EP09826332.0A 2008-11-14 2009-11-12 Method and system for synchronization of cryptographic devices for gsm voice channel encryption Withdrawn EP2353250A4 (en)

Applications Claiming Priority (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 METHOD FOR TRANSMITTING ENCRYPTED DATA, ASSOCIATED DECRYPTION METHOD, DEVICES FOR IMPLEMENTING SAME, AND MOBILE TERMINAL INCORPORATING THE SAME.
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

Also Published As

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

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Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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17P Request for examination filed

Effective date: 20110607

AK Designated contracting states

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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

RIN1 Information on inventor provided before grant (corrected)

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 (deleted)
A4 Supplementary search report drawn up and despatched

Effective date: 20130503

RIC1 Information provided on ipc code assigned before grant

Ipc: H04W 12/04 20090101ALN20130425BHEP

Ipc: H04L 7/00 20060101ALI20130425BHEP

Ipc: H04L 9/12 20060101AFI20130425BHEP

Ipc: H04L 9/06 20060101ALI20130425BHEP

17Q First examination report despatched

Effective date: 20150413

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20150825