FI962352A0 - Menetelmä tiedonsiirron salaamiseksi - Google Patents

Menetelmä tiedonsiirron salaamiseksi

Info

Publication number
FI962352A0
FI962352A0 FI962352A FI962352A FI962352A0 FI 962352 A0 FI962352 A0 FI 962352A0 FI 962352 A FI962352 A FI 962352A FI 962352 A FI962352 A FI 962352A FI 962352 A0 FI962352 A0 FI 962352A0
Authority
FI
Finland
Prior art keywords
data
data transmission
encrypting data
frames
information
Prior art date
Application number
FI962352A
Other languages
English (en)
Swedish (sv)
Other versions
FI962352A (fi
FI112419B (fi
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=FI962352(A0) "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
Priority to FI962352A priority Critical patent/FI112419B/fi
Publication of FI962352A0 publication Critical patent/FI962352A0/fi
Priority to AU23703/97A priority patent/AU724808B2/en
Priority to US08/868,914 priority patent/US5987137A/en
Priority to AU30346/97A priority patent/AU3034697A/en
Priority to DE19723659A priority patent/DE19723659B4/de
Priority to PCT/FI1997/000350 priority patent/WO1997047111A1/en
Priority to IT97MI001335A priority patent/IT1292098B1/it
Priority to SE9702172A priority patent/SE520273C2/sv
Priority to FR9707028A priority patent/FR2750272B1/fr
Priority to ES009701249A priority patent/ES2143371B1/es
Priority to NL1006252A priority patent/NL1006252C2/nl
Priority to JP9149370A priority patent/JPH1066157A/ja
Priority to GB9711828A priority patent/GB2313989B/en
Priority to CNB971148074A priority patent/CN1183707C/zh
Publication of FI962352A publication Critical patent/FI962352A/fi
Publication of FI112419B publication Critical patent/FI112419B/fi
Application granted granted Critical
Priority to JP2006152164A priority patent/JP4523569B2/ja

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
    • 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
    • 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
    • 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
    • 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
    • H04L63/0853—Network 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W92/00—Interfaces 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)
FI962352A 1996-06-06 1996-06-06 Menetelmä tiedonsiirron salaamiseksi FI112419B (fi)

Priority Applications (15)

Application Number Priority Date Filing Date Title
FI962352A FI112419B (fi) 1996-06-06 1996-06-06 Menetelmä tiedonsiirron salaamiseksi
AU23703/97A AU724808B2 (en) 1996-06-06 1997-05-29 Method for the encryption of data transfer
US08/868,914 US5987137A (en) 1996-06-06 1997-06-04 Method for the encryption of data transfer
AU30346/97A AU3034697A (en) 1996-06-06 1997-06-05 Method for the encryption of data transfer
DE19723659A DE19723659B4 (de) 1996-06-06 1997-06-05 Datenkommunikationssystem und Verfahren zur Chiffrierung zu übertragender Daten
PCT/FI1997/000350 WO1997047111A1 (en) 1996-06-06 1997-06-05 Method for the encryption of data transfer
IT97MI001335A IT1292098B1 (it) 1996-06-06 1997-06-05 Procedimento per il cifraggio di trasferimento di dati,in un sistema di comunicazione di dati
CNB971148074A CN1183707C (zh) 1996-06-06 1997-06-06 数据传送的加密方法和数据通信系统
SE9702172A SE520273C2 (sv) 1996-06-06 1997-06-06 Sätt att kryptera information samt datakommunikationssystem som innefattar organ för kryptering
FR9707028A FR2750272B1 (fr) 1996-06-06 1997-06-06 Procede pour le chiffrement du transfert de donnees, et systeme de communication de donnees l'employant
ES009701249A ES2143371B1 (es) 1996-06-06 1997-06-06 Metodo para codificacion de una transferencia de datos y el correspondiente sistema de transmision de datos.
NL1006252A NL1006252C2 (nl) 1996-06-06 1997-06-06 Werkwijze voor het versleutelen van gegevensoverdracht.
JP9149370A JPH1066157A (ja) 1996-06-06 1997-06-06 情報の暗号化方法およびデータ通信システム
GB9711828A GB2313989B (en) 1996-06-06 1997-06-06 Data encryption
JP2006152164A JP4523569B2 (ja) 1996-06-06 2006-05-31 情報の暗号化方法およびデータ通信システム

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI962352A FI112419B (fi) 1996-06-06 1996-06-06 Menetelmä tiedonsiirron salaamiseksi
FI962352 1996-06-06

Publications (3)

Publication Number Publication Date
FI962352A0 true FI962352A0 (fi) 1996-06-06
FI962352A FI962352A (fi) 1998-01-21
FI112419B FI112419B (fi) 2003-11-28

Family

ID=8546149

Family Applications (1)

Application Number Title Priority Date Filing Date
FI962352A FI112419B (fi) 1996-06-06 1996-06-06 Menetelmä tiedonsiirron salaamiseksi

Country Status (13)

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

Families Citing this family (61)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI102235B (fi) * 1996-01-24 1998-10-30 Nokia Telecommunications Oy Autentikointiavainten hallinta matkaviestinjärjestelmässä
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 (fi) * 1997-08-12 2000-10-13 Nokia Mobile Phones Ltd Monipistematkaviestinlähetys
FI105385B (fi) * 1997-11-04 2000-07-31 Nokia Networks Oy Menetelmä yhteyden salauksen asettamiseksi radiojärjestelmässä
FI110351B (fi) * 1997-11-11 2002-12-31 Nokia Corp Menetelmä radiosignaalin lähetyksen aikavälien tahdistamiseksi sekä menetelmän mukainen radiopuhelinverkko, tukiasema-alajärjestelmä ja matkaviestin
FI974558A (fi) * 1997-12-18 1999-06-19 Nokia Mobile Phones Ltd Resurssin varaus liikkuvassa Internet-protokollassa
FI111433B (fi) * 1998-01-29 2003-07-15 Nokia Corp Menetelmä tiedonsiirron salaamiseksi ja solukkoradiojärjestelmä
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
AU4781899A (en) * 1998-07-03 2000-01-24 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 (fi) * 1998-11-05 2001-02-15 Nokia Networks Oy Kehystahdistusmekanismi
FI982399A0 (fi) * 1998-11-05 1998-11-05 Nokia Telecommunications Oy Kehyssykronointimekanismi
FI107487B (fi) * 1999-03-08 2001-08-15 Nokia Mobile Phones Ltd Datalähetyksen salausmenetelmä radiojärjestelmässä
FI990616A0 (fi) * 1999-03-18 1999-03-18 Sonera Oy Menetelmä ja järjestelmä tiedon siirtämiseksi
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
ATE274282T1 (de) * 1999-12-27 2004-09-15 Mitsubishi Electric Corp Funkkommunikationsgerät
FI112305B (fi) * 2000-02-14 2003-11-14 Nokia Corp Datapakettien numerointi pakettivälitteisessä tiedonsiirrossa
FI112304B (fi) * 2000-02-14 2003-11-14 Nokia Corp Datapakettien numerointi pakettivälitteisessä tiedonsiirrossa
DE60111022T2 (de) * 2000-02-16 2005-11-03 Nokia Corp. Verfahren und system für datenkommunikation zwischen einer mobilen und einer packetvermittelten kommunikationsarchitektur
GB0004178D0 (en) * 2000-02-22 2000-04-12 Nokia Networks Oy Integrity check in a communication system
FI110974B (fi) 2000-03-01 2003-04-30 Nokia Corp Laskurin alustaminen, erityisesti radiokehyksiä varten
US6694469B1 (en) * 2000-04-14 2004-02-17 Qualcomm Incorporated Method and an apparatus for a quick retransmission of signals in a communication system
AU2001268345A1 (en) * 2000-06-12 2001-12-24 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 (fi) * 2000-08-14 2003-06-13 Nokia Corp Datapakettinumeroiden synkronointi pakettivälitteisessä tiedonsiirrossa
FI113323B (fi) * 2000-08-21 2004-03-31 Nokia Corp Datapakettinumeroiden synkronointi pakettivälitteisessä tiedonsiirrossa
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
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
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
US7822816B2 (en) * 2002-08-19 2010-10-26 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
IL157885A0 (en) * 2003-09-11 2004-03-28 Bamboo Mediacasting Ltd Iterative forward error correction
IL157886A0 (en) * 2003-09-11 2009-02-11 Bamboo Mediacasting Ltd Secure multicast transmission
ES2384634T7 (es) * 2003-09-26 2018-10-11 Telefonaktiebolaget Lm Ericsson (Publ) Diseño de seguridad mejorado para criptografía en sistemas de comunicaciones de móviles
US20050070248A1 (en) * 2003-09-29 2005-03-31 Neeraj Gaur Method and system for maintaining media objects when switching mobile devices
IL158158A (en) 2003-09-29 2012-05-31 Bamboo Mediacasting Ltd Distribution of multicast data to users
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
EP1867189A1 (fr) * 2005-04-07 2007-12-19 France Telecom Communication securisee entre un dispositif de traitement de donnees et un module de securite
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
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
US5161193A (en) * 1990-06-29 1992-11-03 Digital Equipment Corporation Pipelined cryptography processor and method for its use in communication networks
US5235644A (en) * 1990-06-29 1993-08-10 Digital Equipment Corporation Probabilistic cryptographic processing method
US5081679A (en) * 1990-07-20 1992-01-14 Ericsson Ge Mobile Communications Holding Inc. Resynchronization of encryption systems upon handoff
NZ238651A (en) * 1990-07-20 1994-04-27 Ericsson Ge Mobile Communicat Encryption system for digital cellular communications
FI87616C (fi) * 1991-04-05 1993-01-25 Nokia Mobile Phones Ltd Foerfarande foer att styra funktionen hos ett paketkopplat cdma-datanaet foer styrning av saendarnas 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 (fi) * 1994-05-03 1997-06-10 Nokia Mobile Phones Ltd Järjestelmä pakettidatan siirtämiseksi digitaalisen aikajakomonikäyttöön TDMA perustuvan solukkojärjestelmän ilmarajapinnassa
CA2149067A1 (en) * 1994-06-22 1995-12-23 Joseph Anton Bednar Jr. User-identification and verification of data integrity in a wireless communication system
FI102936B1 (fi) * 1996-03-04 1999-03-15 Nokia Telecommunications Oy Pakettimuotoisen lähetyksen turvallisuuden parantaminen matkaviestinjärjestelmässä
GB0027930D0 (en) * 2000-11-15 2001-01-03 Univ Cambridge Tech Intermetallic compounds

Also Published As

Publication number Publication date
ES2143371B1 (es) 2000-12-16
ES2143371A1 (es) 2000-05-01
ITMI971335A1 (it) 1998-12-05
JP4523569B2 (ja) 2010-08-11
CN1170994A (zh) 1998-01-21
FI962352A (fi) 1998-01-21
GB2313989B (en) 2001-03-21
IT1292098B1 (it) 1999-01-25
SE9702172L (sv) 1997-12-07
DE19723659B4 (de) 2009-04-02
WO1997047111A1 (en) 1997-12-11
SE520273C2 (sv) 2003-06-17
DE19723659A1 (de) 1997-12-11
AU3034697A (en) 1998-01-05
FI112419B (fi) 2003-11-28
AU2370397A (en) 1997-12-11
JPH1066157A (ja) 1998-03-06
GB9711828D0 (en) 1997-08-06
US5987137A (en) 1999-11-16
FR2750272A1 (fr) 1997-12-26
JP2006262531A (ja) 2006-09-28
NL1006252C2 (nl) 2002-01-16
GB2313989A (en) 1997-12-10
AU724808B2 (en) 2000-09-28
CN1183707C (zh) 2005-01-05
ITMI971335A0 (fi) 1997-06-05
NL1006252A1 (nl) 1997-12-10
FR2750272B1 (fr) 2003-07-18
SE9702172D0 (sv) 1997-06-06

Similar Documents

Publication Publication Date Title
FI962352A (fi) Menetelmä tiedonsiirron salaamiseksi
MY119743A (en) System, method and apparatus for secure transmission of confidential information
WO2002101979A3 (en) Improved data encryption and decryption system and method
MY132101A (en) Safe data exchange method between two devices.
KR20030011672A (ko) 대외비 데이터의 전송 방법
SG124291A1 (en) Block cipher apparatus using auxuiliary transformation
NO20010227D0 (no) Fremgangsmåte og anordning for sikker kommunikasjon av informasjon mellom flere digitale, audiovisuelle anordninger
WO2001043335A3 (en) Synchronization of session keys
GB2407238B (en) A system and method for performing blind encryption and decryption
ATE293323T1 (de) Verfahren und vorrichtung für ein robustes und schnelles kryptosystem
HK1007367A1 (en) Method for algorithm independent cryptographic key management
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
WO2003023980A3 (en) System and method for securing a communication channel
JPH0585140U (ja) データ暗号装置
DE60108291D1 (de) Datenstromverschlüsselungsverfahren, Entschlüsselungsverfahren und kryptographisches Kommunikationssystem
DE50206510D1 (de) Verfahren zum Verschlüsseln von Datenpaketen
JPS59154849A (ja) パケツト交換網における簡易形暗号化装置
WO2001080520A3 (en) Security encrypted network access identifier for ip mobility systems
JPS59140744A (ja) 暗号通信方式
JPH0414337A (ja) 暗号通信システム
JPH06132953A (ja) テレメトリ暗号装置
JPS62140531A (ja) 暗号化機能付多重化装置

Legal Events

Date Code Title Description
MA Patent expired