SE9702172L - Sätt för kryptering av information - Google Patents

Sätt för kryptering av information

Info

Publication number
SE9702172L
SE9702172L SE9702172A SE9702172A SE9702172L SE 9702172 L SE9702172 L SE 9702172L SE 9702172 A SE9702172 A SE 9702172A SE 9702172 A SE9702172 A SE 9702172A SE 9702172 L SE9702172 L SE 9702172L
Authority
SE
Sweden
Prior art keywords
data
ways
information
encrypt information
frames
Prior art date
Application number
SE9702172A
Other languages
English (en)
Other versions
SE9702172D0 (sv
SE520273C2 (sv
Inventor
Arto Karppanen
Hannu Kari
Jari Haemaelaeinen
Jari Juopperi
Original Assignee
Nokia Mobile Phones Ltd
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=8546149&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=SE9702172(L) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Nokia Mobile Phones Ltd filed Critical Nokia Mobile Phones Ltd
Publication of SE9702172D0 publication Critical patent/SE9702172D0/sv
Publication of SE9702172L publication Critical patent/SE9702172L/sv
Publication of SE520273C2 publication Critical patent/SE520273C2/sv

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/06Cryptographic 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
    • H04L9/065Encryption by serially and continuously modifying data stream elements, e.g. stream cipher systems, RC4, SEAL or A5/3
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00Network architectures or network communication protocols for network security
    • H04L63/04Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
    • H04L63/0428Network 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/12Transmitting and receiving encryption devices synchronised or initially set up in a particular manner
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W12/00Security arrangements; Authentication; Protecting privacy or anonymity
    • H04W12/03Protecting confidentiality, e.g. by encryption
    • H04W12/033Protecting confidentiality, e.g. by encryption of the user plane, e.g. user's traffic
    • 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00Network architectures or network communication protocols for network security
    • H04L63/08Network architectures or network communication protocols for network security for authentication of entities
    • H04L63/0853Network architectures or network communication protocols for network security for authentication of entities using an additional device, e.g. smartcard, SIM or a different communication terminal
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W92/00Interfaces specially adapted for wireless communication networks

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Hardware Design (AREA)
  • Computing Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
SE9702172A 1996-06-06 1997-06-06 Sätt att kryptera information samt datakommunikationssystem som innefattar organ för kryptering SE520273C2 (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI962352A FI112419B (sv) 1996-06-06 1996-06-06 Förfarande för hemlighållande av dataöverföring

Publications (3)

Publication Number Publication Date
SE9702172D0 SE9702172D0 (sv) 1997-06-06
SE9702172L true SE9702172L (sv) 1997-12-07
SE520273C2 SE520273C2 (sv) 2003-06-17

Family

ID=8546149

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9702172A SE520273C2 (sv) 1996-06-06 1997-06-06 Sätt att kryptera information samt datakommunikationssystem som innefattar organ för kryptering

Country Status (13)

Country Link
US (1) US5987137A (sv)
JP (2) JPH1066157A (sv)
CN (1) CN1183707C (sv)
AU (2) AU724808B2 (sv)
DE (1) DE19723659B4 (sv)
ES (1) ES2143371B1 (sv)
FI (1) FI112419B (sv)
FR (1) FR2750272B1 (sv)
GB (1) GB2313989B (sv)
IT (1) IT1292098B1 (sv)
NL (1) NL1006252C2 (sv)
SE (1) SE520273C2 (sv)
WO (1) WO1997047111A1 (sv)

Families Citing this family (61)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI102235B (sv) * 1996-01-24 1998-10-30 Nokia Telecommunications Oy Hantering av autenticeringsnycklar i ett mobilkommunikationssystem
JPH10301492A (ja) 1997-04-23 1998-11-13 Sony Corp 暗号化装置および方法、復号装置および方法、並びに情報処理装置および方法
US6104929A (en) * 1997-06-20 2000-08-15 Telefonaktiebolaget Lm Ericsson Data packet radio service with enhanced mobility management
FI105874B (sv) * 1997-08-12 2000-10-13 Nokia Mobile Phones Ltd Flerpunktsmobilsändning
FI105385B (sv) * 1997-11-04 2000-07-31 Nokia Networks Oy Förfarande för fastställande av chiffrering av en förbindelse i ett radiosystem
FI110351B (sv) * 1997-11-11 2002-12-31 Nokia Corp Förfarande för att synkronisera sändningstidsluckor samt ett radiotelefonnät, ett basstationsundersystem och en mobilstation enligt förfarandet
FI974558A (sv) * 1997-12-18 1999-06-19 Nokia Mobile Phones Ltd Resursreservering i mobilt Internet protokoll
FI111433B (sv) 1998-01-29 2003-07-15 Nokia Corp Förfarande för hemlighållning av datakommunikation och cellulärradiosystem
SE517204C2 (sv) 1998-01-30 2002-05-07 Ericsson Telefon Ab L M Förfarande och anordning för att etablera en krypterad förbindelse i ett mobiltelefonsystem
WO2000002358A1 (en) * 1998-07-03 2000-01-13 Nokia Mobile Phones Limited Secure session set up based on the wireless application protocol
US6320873B1 (en) * 1998-08-27 2001-11-20 Qualcomm Incorporated CDMA transmission of packet-switched data
FI106494B (sv) * 1998-11-05 2001-02-15 Nokia Networks Oy Ramsynkroniseringsmekanism
FI982399A0 (sv) * 1998-11-05 1998-11-05 Nokia Telecommunications Oy Ramsynkroniseringsmekanism
FI107487B (sv) * 1999-03-08 2001-08-15 Nokia Mobile Phones Ltd Förfarande för kryptering av dataöverföring i ett radiosystem
FI990616A0 (sv) * 1999-03-18 1999-03-18 Sonera Oy Förfarande och system för datatransmission
EP1881638A1 (en) * 1999-09-30 2008-01-23 Qualcomm Incorporated Method and apparatus for encrypting transmissions in a communication system
US6980658B1 (en) 1999-09-30 2005-12-27 Qualcomm Incorporated Method and apparatus for encrypting transmissions in a communication system
US6832314B1 (en) 1999-12-15 2004-12-14 Ericsson, Inc. Methods and apparatus for selective encryption and decryption of point to multi-point messages
EP1156694B1 (en) * 1999-12-27 2004-08-18 Mitsubishi Denki Kabushiki Kaisha Radio communication device
FI112304B (sv) * 2000-02-14 2003-11-14 Nokia Corp Numrering av datapaket vid paketförmedlande dataöverföring
FI112305B (sv) * 2000-02-14 2003-11-14 Nokia Corp Numrering av datapaket vid paketförmedlande dataöverföring
EP1256213B1 (en) * 2000-02-16 2005-05-25 Nokia Corporation Method and system for communicating data between a mobile and packet switched communications architecture
GB0004178D0 (en) 2000-02-22 2000-04-12 Nokia Networks Oy Integrity check in a communication system
FI110974B (sv) 2000-03-01 2003-04-30 Nokia Corp Initialisering av en räknare, särskilt för radioramar
US6694469B1 (en) * 2000-04-14 2004-02-17 Qualcomm Incorporated Method and an apparatus for a quick retransmission of signals in a communication system
WO2001097554A2 (en) * 2000-06-12 2001-12-20 Xacct Technologies Ltd. System, method and computer program product for charging for competitive ip-over-wireless services
JP2002055604A (ja) * 2000-08-11 2002-02-20 Trinity Communication Inc データ防護処理装置、モデム装置、データ通信システム、データ防護処理方法、その方法をコンピュータに実行させるプログラムを記録したコンピュータ読み取り可能な記録媒体
FI111210B (sv) * 2000-08-14 2003-06-13 Nokia Corp Synkronisering av datapaketnummer vid paketförmedlande dataöverföring
FI113323B (sv) * 2000-08-21 2004-03-31 Nokia Corp Synkronisering av datapaketnummer vid paketförmedlande dataöverföring
JP2002374564A (ja) * 2001-06-12 2002-12-26 Koji Yamamoto 携帯電話の記録内容に関するセキュリティーシステム
EP1407574B1 (en) * 2001-07-06 2008-01-23 Koninklijke Philips Electronics N.V. Streamcipher synchronisation information which is redundant in next packet of encrypted frame
DE10138718A1 (de) * 2001-08-07 2003-02-20 Siemens Ag Verfahren zur Übermittlung von Chiffrierungsinformationen an Teilnehmer einer Multicast-Gruppe
WO2003034761A1 (en) * 2001-10-12 2003-04-24 Schlumberger Systemes Process and device for value added service access control
GB2374260B (en) 2001-10-12 2003-08-13 F Secure Oyj Data encryption
WO2003036857A1 (en) * 2001-10-24 2003-05-01 Nokia Corporation Ciphering as a part of the multicast cencept
JP3458853B2 (ja) * 2002-01-30 2003-10-20 松下電器産業株式会社 通信システムおよび通信方法
US7570766B2 (en) * 2002-03-01 2009-08-04 Intel Corporation Transparently embedding non-compliant data in a data stream
TWI220625B (en) * 2002-05-01 2004-08-21 Nec Corp Service data multicasting system and method therefor and security key generating system
JP2004080071A (ja) * 2002-08-09 2004-03-11 Asustek Computer Inc 無線通信セキュリティ・システムにおけるセキュリティ・キーの過度な使用を防止するための方法
CA2495671A1 (en) * 2002-08-19 2004-02-26 Macrosolve, Inc. System and method for data management
KR100972059B1 (ko) * 2002-12-30 2010-07-22 동부일렉트로닉스 주식회사 마이크로 렌즈의 도포 균일성을 개선한 씨모스 이미지 센서의 제조방법
IL154739A0 (en) * 2003-03-04 2003-10-31 Bamboo Mediacasting Ltd Segmented data delivery over non-reliable link
US8238946B2 (en) * 2003-03-07 2012-08-07 International Business Machines Corporation Method for personalizing messages delivered to a communication terminal that preserves the privacy of the recipient of the message
KR101000655B1 (ko) * 2003-05-28 2010-12-10 엘지전자 주식회사 페이로드 데이터의 암호화 전송장치 및 방법
US7327746B1 (en) * 2003-08-08 2008-02-05 Cisco Technology, Inc. System and method for detecting and directing traffic in a network environment
IL157886A0 (en) * 2003-09-11 2009-02-11 Bamboo Mediacasting Ltd Secure multicast transmission
IL157885A0 (en) * 2003-09-11 2004-03-28 Bamboo Mediacasting Ltd Iterative forward error correction
ES2384634T7 (es) * 2003-09-26 2018-10-11 Telefonaktiebolaget Lm Ericsson (Publ) Diseño de seguridad mejorado para criptografía en sistemas de comunicaciones de móviles
IL158158A (en) 2003-09-29 2012-05-31 Bamboo Mediacasting Ltd Distribution of multicast data to users
US20050070248A1 (en) * 2003-09-29 2005-03-31 Neeraj Gaur Method and system for maintaining media objects when switching mobile devices
EP1610490A1 (fr) * 2004-06-21 2005-12-28 France Telecom Procédé et dispositif de chiffrement ou déchiffrement de données
JP5033424B2 (ja) * 2004-09-29 2012-09-26 富士通株式会社 秘匿通信システム
JP4287397B2 (ja) * 2005-03-29 2009-07-01 東芝情報システム株式会社 暗号文生成装置、暗号文復号装置、暗号文生成プログラム及び暗号文復号プログラム
JP4287398B2 (ja) * 2005-03-29 2009-07-01 東芝情報システム株式会社 暗号化復号化システム、暗号文生成プログラム及び暗号文復号プログラム
US20090044007A1 (en) * 2005-04-07 2009-02-12 France Telecom Secure Communication Between a Data Processing Device and a Security Module
JP2007089028A (ja) * 2005-09-26 2007-04-05 Hitachi Kokusai Electric Inc 通信インタフェース装置
KR101435832B1 (ko) * 2007-03-19 2014-08-29 엘지전자 주식회사 이동통신 시스템에서의 무선 프로토콜 처리방법 및이동통신 송신기
US8274939B2 (en) 2007-04-30 2012-09-25 Lg Electronics Inc. Method of transmitting data block in wireless communication system
US20080285496A1 (en) * 2007-05-14 2008-11-20 Bamboo Mediacasting Ltd. Data download in wireless network
US20090016334A1 (en) * 2007-07-09 2009-01-15 Nokia Corporation Secured transmission with low overhead
PL3403369T3 (pl) 2016-01-13 2020-10-19 Telefonaktiebolaget Lm Ericsson (Publ) Ochrona integralności

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5555385A (en) * 1978-10-18 1980-04-23 Fujitsu Ltd Cipher key control mechanism
DE3440796C2 (de) * 1984-11-08 1986-10-16 Schröter, Klaus, 1000 Berlin Kommunikationssystem
US4654480A (en) * 1985-11-26 1987-03-31 Weiss Jeffrey A Method and apparatus for synchronizing encrypting and decrypting systems
US5235644A (en) * 1990-06-29 1993-08-10 Digital Equipment Corporation Probabilistic cryptographic processing method
US5161193A (en) * 1990-06-29 1992-11-03 Digital Equipment Corporation Pipelined cryptography processor and method for its use in communication networks
CA2044860A1 (en) * 1990-06-29 1991-12-30 Amar Gupta Cryptography processor and method with optional status endcoding
US5099517A (en) * 1990-06-29 1992-03-24 Digital Equipment Corporation Frame status encoding for communication networks
NZ238651A (en) * 1990-07-20 1994-04-27 Ericsson Ge Mobile Communicat Encryption system for digital cellular communications
US5081679A (en) * 1990-07-20 1992-01-14 Ericsson Ge Mobile Communications Holding Inc. Resynchronization of encryption systems upon handoff
FI87616C (sv) * 1991-04-05 1993-01-25 Nokia Mobile Phones Ltd Förfarande för att styra funktionen hos ett paketkopplat CDMA-datanät för styrning av sändarnas och mottagarnas funktion
FR2686755A1 (fr) * 1992-01-28 1993-07-30 Electricite De France Procede de chiffrement de messages transmis entre reseaux interconnectes, appareil de chiffrement et dispositif de communication de donnees chiffrees mettant en óoeuvre un tel procede.
US5455863A (en) * 1993-06-29 1995-10-03 Motorola, Inc. Method and apparatus for efficient real-time authentication and encryption in a communication system
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
JP3263877B2 (ja) * 1993-10-06 2002-03-11 日本電信電話株式会社 暗号ゲートウェイ装置
US5494124A (en) * 1993-10-08 1996-02-27 Vortexx Group, Inc. Negative pressure vortex nozzle
NL9301841A (nl) * 1993-10-25 1995-05-16 Nederland Ptt Inrichting voor het bewerken van datapakketten.
US5519780A (en) * 1993-12-03 1996-05-21 Scientific-Atlanta, Inc. System and method for providing compressed digital teletext services and teletext support services
JPH07245606A (ja) * 1994-03-02 1995-09-19 Nec Corp インタフェース変換装置
FI98426C (sv) * 1994-05-03 1997-06-10 Nokia Mobile Phones Ltd System för överföring av paketdata i luftgränssnittet inom ett digitalt TMDA-cellulärsystem
CA2149067A1 (en) * 1994-06-22 1995-12-23 Joseph Anton Bednar Jr. User-identification and verification of data integrity in a wireless communication system
FI102936B (sv) * 1996-03-04 1999-03-15 Nokia Telecommunications Oy Förbättring av säkerhet vid paketformig sändning i ett mobilkommunikat ionssystem
GB0027930D0 (en) * 2000-11-15 2001-01-03 Univ Cambridge Tech Intermetallic compounds

Also Published As

Publication number Publication date
JP2006262531A (ja) 2006-09-28
SE9702172D0 (sv) 1997-06-06
US5987137A (en) 1999-11-16
IT1292098B1 (it) 1999-01-25
CN1170994A (zh) 1998-01-21
FI962352A (sv) 1998-01-21
GB2313989B (en) 2001-03-21
FI962352A0 (sv) 1996-06-06
GB2313989A (en) 1997-12-10
DE19723659B4 (de) 2009-04-02
FI112419B (sv) 2003-11-28
ITMI971335A1 (it) 1998-12-05
ES2143371B1 (es) 2000-12-16
JP4523569B2 (ja) 2010-08-11
ITMI971335A0 (sv) 1997-06-05
NL1006252C2 (nl) 2002-01-16
AU3034697A (en) 1998-01-05
AU2370397A (en) 1997-12-11
WO1997047111A1 (en) 1997-12-11
ES2143371A1 (es) 2000-05-01
NL1006252A1 (nl) 1997-12-10
CN1183707C (zh) 2005-01-05
FR2750272A1 (fr) 1997-12-26
FR2750272B1 (fr) 2003-07-18
AU724808B2 (en) 2000-09-28
JPH1066157A (ja) 1998-03-06
SE520273C2 (sv) 2003-06-17
GB9711828D0 (en) 1997-08-06
DE19723659A1 (de) 1997-12-11

Similar Documents

Publication Publication Date Title
SE9702172L (sv) Sätt för kryptering av information
MY119743A (en) System, method and apparatus for secure transmission of confidential information
EP1282260A1 (en) Key agreement method for secure communication system
WO2002101979A3 (en) Improved data encryption and decryption system and method
NO20010227D0 (no) Fremgangsmåte og anordning for sikker kommunikasjon av informasjon mellom flere digitale, audiovisuelle anordninger
WO2004102868A3 (en) A power line communication device and method of using the same
WO2001043335A3 (en) Synchronization of session keys
FI991283A (sv) Arrangering av autentikation och chiffrering i ett telekommunikationss ystem
SG124293A1 (en) Block cipher apparatus using auxiliary transformation
HK1101233A1 (en) Authentication of data transmitted in a digital transmission system
TW431106B (en) Method for transferring sensitive information using initially unsecured communication
ATE319242T1 (de) Verfahren und vorrichtung zur gesicherten kryptografischen kommunikation
ATE470311T1 (de) Verarbeitung von verschlüsseltem datenpaketstrom
FR2823936B1 (fr) Procede et systeme d'acces conditionnel a des services ip
US5161191A (en) Encryption system for time division multiplexed networks
CA2226831A1 (en) Decryption of retransmitted data in an encrypted communication system
WO2003005635A3 (en) Streamcipher synchronisation information wich is redundant in next packet of encrypted frame
EP1437856A4 (en) CONTROL SYSTEM AND METHOD FOR ELECTRONIC EQUIPMENT AND ELECTRONIC EQUIPMENT AND CONTROL DEVICE
MXPA05012234A (es) Procedimiento de cifrado basado en el algoritmo des.
GB2402583B (en) Cryptographic communication method in communication system
MY130422A (en) Method to create a private virtual network using a public network
WO2003023980A3 (en) System and method for securing a communication channel
GB0006668D0 (en) Encrypting and decrypting
JPH0585140U (ja) データ暗号装置
DE60108291D1 (de) Datenstromverschlüsselungsverfahren, Entschlüsselungsverfahren und kryptographisches Kommunikationssystem

Legal Events

Date Code Title Description
NUG Patent has lapsed