NO20021504L - Kryptering av signaler i et sambandssystem - Google Patents

Kryptering av signaler i et sambandssystem

Info

Publication number
NO20021504L
NO20021504L NO20021504A NO20021504A NO20021504L NO 20021504 L NO20021504 L NO 20021504L NO 20021504 A NO20021504 A NO 20021504A NO 20021504 A NO20021504 A NO 20021504A NO 20021504 L NO20021504 L NO 20021504L
Authority
NO
Norway
Prior art keywords
encryption
crypto
separate
syncs
transmission traffic
Prior art date
Application number
NO20021504A
Other languages
English (en)
Norwegian (no)
Other versions
NO20021504D0 (no
Inventor
Ramin Rezaiifar
Jr Roy Franklin Quick
Paul Williamson
Jun Wang
Jr Edward G Tiedemann
Original Assignee
Qualcomm 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 Qualcomm Inc filed Critical Qualcomm Inc
Publication of NO20021504D0 publication Critical patent/NO20021504D0/no
Publication of NO20021504L publication Critical patent/NO20021504L/no

Links

Classifications

    • 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
    • H04L63/04—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
    • H04L63/0428—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/60—Protecting data
    • G06F21/606—Protecting data by securing the transmission between two devices or processes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0056—Systems characterized by the type of code used
    • H04L1/0061—Error detection codes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0078—Avoidance of errors by organising the transmitted data in a format specifically designed to deal with errors, e.g. location
    • H04L1/0083—Formatting with frames or packets; Protocol or part of protocol for error control
    • 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
    • H04L63/061—Network architectures or network communication protocols for network security for supporting key management in a packet data network for key exchange, e.g. in peer-to-peer networks
    • 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
    • H04L63/08—Network architectures or network communication protocols for network security for authentication of entities
    • 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
    • H04L63/12—Applying verification of the received information
    • H04L63/123—Applying verification of the received information received data contents, e.g. message integrity
    • 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
    • H04L63/12—Applying verification of the received information
    • H04L63/126—Applying verification of the received information the source of the received data
    • 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
    • H04L63/16—Implementing security features at a particular protocol layer
    • H04L63/162—Implementing security features at a particular protocol layer at the data link layer
    • 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
    • H04L63/16—Implementing security features at a particular protocol layer
    • H04L63/164—Implementing security features at a particular protocol layer at the network layer
    • 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
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
    • H04L9/3236—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials using cryptographic hash functions
    • 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
    • H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
    • H04L9/3247—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials involving digital signatures
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
    • H04W12/02—Protecting privacy or anonymity, e.g. protecting personally identifiable information [PII]
    • 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
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
    • H04W12/06—Authentication
    • H04W12/069—Authentication using certificates or pre-shared keys
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
    • H04W12/10—Integrity
    • H04W12/108—Source integrity
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
    • H04W12/12—Detection or prevention of fraud
    • H04W12/121—Wireless intrusion detection systems [WIDS]; Wireless intrusion prevention systems [WIPS]
    • H04W12/122—Counter-measures against attacks; Protection against rogue devices
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2221/00—Indexing scheme relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F2221/21—Indexing scheme relating to G06F21/00 and subgroups addressing additional information or applications relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F2221/2113—Multi-level security, e.g. mandatory access control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • 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
    • H04L2209/34—Encoding or coding, e.g. Huffman coding or error correction
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Hardware Design (AREA)
  • General Engineering & Computer Science (AREA)
  • Computing Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Bioethics (AREA)
  • General Health & Medical Sciences (AREA)
  • Software Systems (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Communication Control (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
NO20021504A 1999-09-30 2002-03-26 Kryptering av signaler i et sambandssystem NO20021504L (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US15690599P 1999-09-30 1999-09-30
PCT/US2000/026880 WO2001024436A2 (en) 1999-09-30 2000-09-29 Method and apparatus for encrypting transmissions in a communication system

Publications (2)

Publication Number Publication Date
NO20021504D0 NO20021504D0 (no) 2002-03-26
NO20021504L true NO20021504L (no) 2002-05-28

Family

ID=22561603

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20021504A NO20021504L (no) 1999-09-30 2002-03-26 Kryptering av signaler i et sambandssystem

Country Status (16)

Country Link
US (2) US6980658B1 (ja)
EP (1) EP1216535B1 (ja)
JP (3) JP2004521521A (ja)
CN (1) CN100473192C (ja)
AT (1) ATE376730T1 (ja)
AU (1) AU1329501A (ja)
BR (1) BR0014396A (ja)
CA (3) CA2706056A1 (ja)
DE (1) DE60036878T2 (ja)
ES (1) ES2293929T3 (ja)
IL (1) IL148363A (ja)
MX (1) MXPA02003110A (ja)
NO (1) NO20021504L (ja)
RU (1) RU2273102C2 (ja)
UA (1) UA76407C2 (ja)
WO (1) WO2001024436A2 (ja)

Families Citing this family (45)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6980658B1 (en) * 1999-09-30 2005-12-27 Qualcomm Incorporated Method and apparatus for encrypting transmissions in a communication system
US7627121B1 (en) * 2001-02-15 2009-12-01 At&T Mobility Ii Llc Apparatus, system and method for detecting a loss of key stream synchronization in a communication system
US7890129B2 (en) 2001-05-15 2011-02-15 Eric Rosen Method and apparatus for delivering information to an idle mobile station in a group communication network
US7603126B2 (en) 2001-05-15 2009-10-13 Qualcomm Incorporated Method and apparatus for avoiding simultaneous service origination and paging in a group communication network
WO2003005635A2 (en) * 2001-07-06 2003-01-16 Koninklijke Philips Electronics N.V. Streamcipher synchronisation information wich is redundant in next packet of encrypted frame
CN1941691B (zh) * 2001-07-17 2012-07-18 夏普株式会社 生成用于检测在处理期间加密数据的虚假改造的数据的设备及方法
US7388852B2 (en) * 2001-12-13 2008-06-17 Nortel Networks Limited Physical layer assisted retransmission
WO2003107706A1 (en) * 2002-06-12 2003-12-24 Nokia Corporation Synchronization of a counter value employed as a parameter for ciphering and deciphering in a mobile communication system
US7796752B2 (en) * 2002-11-04 2010-09-14 Marvell International Ltd. Cipher implementation
US7660980B2 (en) * 2002-11-18 2010-02-09 Liquidware Labs, Inc. Establishing secure TCP/IP communications using embedded IDs
US7549159B2 (en) * 2004-05-10 2009-06-16 Liquidware Labs, Inc. System, apparatuses, methods and computer-readable media for determining the security status of a computer before establishing connection thereto
US7386889B2 (en) * 2002-11-18 2008-06-10 Trusted Network Technologies, Inc. System and method for intrusion prevention in a communications network
US7591001B2 (en) * 2004-05-14 2009-09-15 Liquidware Labs, Inc. System, apparatuses, methods and computer-readable media for determining the security status of a computer before establishing a network connection
CN100388659C (zh) * 2003-09-10 2008-05-14 中兴通讯股份有限公司 实现异种网络间加密通信的装置、系统及方法
JP4107213B2 (ja) * 2003-10-06 2008-06-25 松下電工株式会社 パケット判定装置
US20050193197A1 (en) * 2004-02-26 2005-09-01 Sarvar Patel Method of generating a cryptosync
CN100397945C (zh) * 2004-11-19 2008-06-25 华为技术有限公司 空闲模式下防止消息重放攻击的方法
CN100441031C (zh) * 2004-11-19 2008-12-03 华为技术有限公司 一种空闲模式下防止消息重放攻击的方法
WO2006075869A1 (en) * 2005-01-11 2006-07-20 Samsung Electronics Co., Ltd. Apparatus and method for ciphering/deciphering a signal in a communication system
US20060205386A1 (en) * 2005-03-11 2006-09-14 Lei Yu Method and apparatus for providing encryption and integrity key set-up
US8228917B2 (en) * 2005-04-26 2012-07-24 Qualcomm Incorporated Method and apparatus for ciphering and re-ordering packets in a wireless communication system
US7725709B2 (en) * 2005-09-09 2010-05-25 Telefonaktiebolaget L M Ericsson (Publ) Methods for secure and bandwidth efficient cryptographic synchronization
US8447968B2 (en) 2005-10-28 2013-05-21 Alcatel Lucent Air-interface application layer security for wireless networks
EP1992097A2 (en) * 2006-02-08 2008-11-19 Agere Systems Inc. Method and apparatus for mac-hs processing in an hsdpa-compatible receiver in a 3g wireless network
US20070242828A1 (en) * 2006-04-12 2007-10-18 General Dynamics C4 Systems, Inc. Dynamic interleaving of state vector components in an encrypted data communication system
CN101529798B (zh) * 2006-10-23 2012-09-05 朗讯科技公司 容许消息数据非顺序到达的情况下消息完整性的处理方法
US8331386B2 (en) * 2007-02-07 2012-12-11 Agere Systems Llc CRC checking and MAC-HS processing in an HSDPA-compatible receiver in a 3G wireless network
JP4900007B2 (ja) 2007-04-12 2012-03-21 富士通株式会社 無線基地局、中継局、帯域割当方法
US8358669B2 (en) 2007-05-01 2013-01-22 Qualcomm Incorporated Ciphering sequence number for an adjacent layer protocol in data packet communications
EP1988655A1 (en) * 2007-05-03 2008-11-05 NTT DoCoMo, Inc. Method and apparatus for using an error code in transmission of data
US8331399B2 (en) 2007-05-07 2012-12-11 Qualcomm Incorporated Re-using sequence number by multiple protocols for wireless communication
US8625793B2 (en) 2007-06-11 2014-01-07 Qualcomm Incorporated Resynchronization for push message security using secret keys
US8437739B2 (en) 2007-08-20 2013-05-07 Qualcomm Incorporated Method and apparatus for generating a cryptosync
US8666077B2 (en) * 2008-05-07 2014-03-04 Alcatel Lucent Traffic encryption key generation in a wireless communication network
JP2010028747A (ja) * 2008-07-24 2010-02-04 Fujitsu Ltd 秘匿処理を行う送信装置及び受信装置
US20100235689A1 (en) * 2009-03-16 2010-09-16 Qualcomm Incorporated Apparatus and method for employing codes for telecommunications
JP2011066879A (ja) * 2009-08-20 2011-03-31 Kenwood Corp 送信フレーム生成装置、無線装置、基地局、及び送信フレーム生成方法
JP5597053B2 (ja) * 2010-07-28 2014-10-01 Ｋｄｄｉ株式会社 認証システム、認証方法およびプログラム
JP2012044327A (ja) * 2010-08-16 2012-03-01 Ntt Docomo Inc 移動通信方法、リレーノード及び無線基地局
DE102012206272A1 (de) * 2012-04-17 2013-10-17 Beckhoff Automation Gmbh Feldbus-Datenübertragung
RU2580014C2 (ru) * 2014-05-26 2016-04-10 Закрытое акционерное общество "Лаборатория Касперского" Система и способ изменения маски зашифрованной области при возникновении сбоя в компьютерной системе
RU2580018C2 (ru) * 2014-05-26 2016-04-10 Закрытое акционерное общество "Лаборатория Касперского" Способ определения маски зашифрованной области диска
CN105246070A (zh) * 2014-06-17 2016-01-13 中兴通讯股份有限公司 通话的加密处理方法及装置
CN107005405B (zh) * 2014-11-13 2020-12-15 佳能株式会社 信息处理装置、控制方法及存储介质
CN108768927B (zh) * 2018-04-04 2021-06-01 武汉船舶通信研究所（中国船舶重工集团公司第七二二研究所） 保密通信方法和装置

Family Cites Families (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4754482A (en) 1985-11-26 1988-06-28 Samco Investment Company Method and apparatus for synchronizing encrypting and decrypting systems
US4910777A (en) 1988-09-20 1990-03-20 At&T Bell Laboratories Packet switching architecture providing encryption across packets
EP0464562B1 (en) 1990-06-29 1997-04-23 Digital Equipment Corporation Method and apparatus for decryption of an information packet having a format subject to modification
US5081679A (en) 1990-07-20 1992-01-14 Ericsson Ge Mobile Communications Holding Inc. Resynchronization of encryption systems upon handoff
US5142578A (en) * 1991-08-22 1992-08-25 International Business Machines Corporation Hybrid public key algorithm/data encryption algorithm key distribution method based on control vectors
US5448237A (en) * 1993-01-15 1995-09-05 The United States Of America As Represented By The Secretary Of The Navy Digital circuit for the introduction of dither into an analog signal
US5386469A (en) 1993-08-05 1995-01-31 Zilog, Inc. Firmware encryption for microprocessor/microcomputer
US5319712A (en) 1993-08-26 1994-06-07 Motorola, Inc. Method and apparatus for providing cryptographic protection of a data stream in a communication system
US5528693A (en) * 1994-01-21 1996-06-18 Motorola, Inc. Method and apparatus for voice encryption in a communications system
JPH07325785A (ja) * 1994-06-02 1995-12-12 Fujitsu Ltd ネットワーク利用者認証方法および暗号化通信方法とアプリケーションクライアントおよびサーバ
US5467398A (en) * 1994-07-05 1995-11-14 Motorola, Inc. Method of messaging in a communication system
JP3491994B2 (ja) * 1994-11-21 2004-02-03 富士通株式会社 通信制御装置及び方法
EP0768774A3 (en) 1995-10-16 1999-08-04 Sony Corporation Method and apparatus for data encryption using a key generation hierarchy
JPH103256A (ja) * 1995-10-16 1998-01-06 Sony Corp 暗号化方法、暗号化装置、記録方法、復号化方法、復号化装置及び記録媒体
FI112419B (fi) 1996-06-06 2003-11-28 Nokia Corp Menetelmä tiedonsiirron salaamiseksi
US5825889A (en) 1996-10-15 1998-10-20 Ericsson Inc. Use of duplex cipher algorithms for satellite channels with delay
US5958051A (en) * 1996-11-27 1999-09-28 Sun Microsystems, Inc. Implementing digital signatures for data streams and data archives
WO1998026534A1 (en) 1996-11-29 1998-06-18 Motorola Inc. Authentication system and method for a remote keyless entry system
JPH10233770A (ja) 1997-02-20 1998-09-02 Fujitsu Ltd 回線秘匿装置
JP3760460B2 (ja) 1997-04-23 2006-03-29 ソニー株式会社 データ送信装置および方法、データ受信装置および方法、並びにデータ送受信システムおよび方法
JP3657745B2 (ja) * 1997-07-23 2005-06-08 横河電機株式会社 ユーザ認証方法及びユーザ認証システム
WO1999007104A1 (en) 1997-08-04 1999-02-11 Tibco Software, Inc. Data security in multipoint publish/subscribe communications
US6081600A (en) 1997-10-03 2000-06-27 Motorola, Inc. Method and apparatus for signaling privacy in personal communications systems
US6151676A (en) * 1997-12-24 2000-11-21 Philips Electronics North America Corporation Administration and utilization of secret fresh random numbers in a networked environment
US6055316A (en) * 1997-12-26 2000-04-25 Sun Microsystems, Inc. System and method for deriving an appropriate initialization vector for secure communications
US6459682B1 (en) * 1998-04-07 2002-10-01 International Business Machines Corporation Architecture for supporting service level agreements in an IP network
JP4451566B2 (ja) 1998-10-30 2010-04-14 バーネットエックス インコーポレーティッド 保証されたシステム可用性を有する安全な通信のためのアジル・ネットワーク・プロトコル
KR100331863B1 (ko) * 1998-11-03 2002-05-09 서평원 네트워크암호화장치및방법
FI107487B (fi) 1999-03-08 2001-08-15 Nokia Mobile Phones Ltd Datalähetyksen salausmenetelmä radiojärjestelmässä
US6980658B1 (en) 1999-09-30 2005-12-27 Qualcomm Incorporated Method and apparatus for encrypting transmissions in a communication system

Also Published As

Publication number Publication date
CA2383960A1 (en) 2001-04-05
WO2001024436A3 (en) 2002-02-14
US20060056637A1 (en) 2006-03-16
CA2706045A1 (en) 2001-04-05
DE60036878D1 (de) 2007-12-06
WO2001024436A2 (en) 2001-04-05
CN100473192C (zh) 2009-03-25
AU1329501A (en) 2001-04-30
IL148363A (en) 2008-08-07
ES2293929T3 (es) 2008-04-01
BR0014396A (pt) 2003-07-29
JP2011172244A (ja) 2011-09-01
NO20021504D0 (no) 2002-03-26
EP1216535B1 (en) 2007-10-24
CN1451212A (zh) 2003-10-22
ATE376730T1 (de) 2007-11-15
JP2004521521A (ja) 2004-07-15
WO2001024436A9 (en) 2002-09-26
RU2273102C2 (ru) 2006-03-27
EP1216535A2 (en) 2002-06-26
UA76407C2 (en) 2006-08-15
US8787578B2 (en) 2014-07-22
JP2012044675A (ja) 2012-03-01
CA2706056A1 (en) 2001-04-05
DE60036878T2 (de) 2008-07-31
MXPA02003110A (es) 2002-11-07
US6980658B1 (en) 2005-12-27

Similar Documents

Publication Publication Date Title
NO20021504D0 (no) Kryptering av signaler i et sambandssystem
DE60040777D1 (de) Anordnung zur authentifizierung und verschlüsselung in einem mobilen kommunikationssystem
AU2001272601A1 (en) Arranging data ciphering in a wireless telecommunication system
TW431106B (en) Method for transferring sensitive information using initially unsecured communication
MY119743A (en) System, method and apparatus for secure transmission of confidential information
AU3064801A (en) An access point for mobile devices in a packet based network and a method and a system for billing in such a network
WO2002068418A3 (en) Authentication and distribution of keys in mobile ip network
HUE032914T2 (hu) Továbbfejlesztett elõfizetõi hitelesítés engedélymentes mobil hozzáférési jelzéshez
WO2001091503A3 (en) Systems and methods for communication protection
FI980085A0 (fi) Kryptering av kortmeddelanden och annullering av krypteringen
FI982280A0 (fi) Menetelmä ja järjestelmä matkaviestinliikenteessä
BRPI0416233A (pt) método e aparelho para autenticação em comunicações sem fio
BR0012231A (pt) Método e aparelho para transmitir seguramente sinais de faixa distribuìda para o uso na autenticação de estação móvel
CN102833739A (zh) 一种初始非接入层消息的传输方法、装置及系统
ATE431051T1 (de) Funkkommunikationssystem, gerät und verfahren
ATE331398T1 (de) Verfahren zur synchronisation in funkkommunikationssystemen
SE9800275L (sv) Förfarande och anordning för att etablera en krypterad förbindelse
AU6463800A (en) Method for regulating a frequency offset in a base-station receiver of a data communications system
GB2384663B (en) Data transmission systems
FI19992530A (fi) Menetelmä ja laite matkaviestimen käsittävien tietoturvaproseduurien suorittamiseksi hybriditelekommunikaatiojärjestelmissä
Ahmed et al. Cryptographic analysis of gsm networks
MX9710347A (es) Metodo para autentificacion mutua para suministro seguro de servicios inalambricos.
MY146150A (en) A system for ensuring encrypted communication after handover

Legal Events

Date Code Title Description
FC2A Withdrawal, rejection or dismissal of laid open patent application