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 encryptionInfo
- 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- Withdrawn
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
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)
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)
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 |
-
2008
- 2008-11-14 MY MYPI20084590 patent/MY152148A/en unknown
-
2009
- 2009-11-12 WO PCT/MY2009/000191 patent/WO2010056106A2/en active Application Filing
- 2009-11-12 EP EP09826332.0A patent/EP2353250A4/en not_active Withdrawn
Patent Citations (6)
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 |
Free format text: ORIGINAL CODE: 0009012 |
|
17P | Request for examination filed |
Effective date: 20110607 |
|
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 |
|
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 |