DE68900418D1 - Kommunikationssystem und verfahren mit informationsverschluesselung. - Google Patents

Kommunikationssystem und verfahren mit informationsverschluesselung.

Info

Publication number: DE68900418D1
Authority: DE; Germany
Prior art keywords: communication system; information encryption; encryption; information; communication
Prior art date: 1988-12-14
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.): Expired - Lifetime

Application number

DE8989403423T

Other languages

English (en)

Inventor

Jacques Abiven

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.)

Orange SA

Original Assignee

Etat Francais

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.)

1988-12-14

Filing date

1989-12-11

Publication date

1991-12-12

1989-12-11 Application filed by Etat Francais filed Critical Etat Francais

1991-12-12 Application granted granted Critical

1991-12-12 Publication of DE68900418D1 publication Critical patent/DE68900418D1/de

2009-12-12 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Links

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/27—Arrangements for networking
- H04B10/272—Star-type networks or tree-type networks
- 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
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L2001/0092—Error control systems characterised by the topology of the transmission link
- H04L2001/0093—Point-to-multipoint
- 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
- H04L2209/12—Details relating to cryptographic hardware or logic circuitry
- H04L2209/125—Parallelization or pipelining, e.g. for accelerating processing of cryptographic operations
- 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

DE8989403423T 1988-12-14 1989-12-11 Kommunikationssystem und verfahren mit informationsverschluesselung. Expired - Lifetime DE68900418D1 (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR8816467A FR2640449B1 (fr)	1988-12-14	1988-12-14	Procede et systemes de communication a cryptage de l'information

Publications (1)

Publication Number	Publication Date
DE68900418D1 true DE68900418D1 (de)	1991-12-12

Family

ID=9372936

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DE8989403423T Expired - Lifetime DE68900418D1 (de)	1988-12-14	1989-12-11	Kommunikationssystem und verfahren mit informationsverschluesselung.

Country Status (6)

Country	Link
US (1)	US4961221A (de)
EP (1)	EP0374028B1 (de)
JP (1)	JP2732540B2 (de)
CA (1)	CA2005391C (de)
DE (1)	DE68900418D1 (de)
FR (1)	FR2640449B1 (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE69125685T2 (de) *	1990-11-05	1997-09-18	Nippon Telegraph & Telephone	Einrichtung zur geschützten Kommunikation und System zur geschützten Übertragung
JP3008965B2 (ja) *	1990-11-05	2000-02-14	日本電信電話株式会社	暗号化通信装置及び暗号化伝送システム
US5228083A (en) *	1991-06-28	1993-07-13	Digital Equipment Corporation	Cryptographic processing in a communication network, using a single cryptographic engine
US5631935A (en) *	1993-05-06	1997-05-20	Run-Rad Unlimited Networking, Ltd.	Method and apparatus for governing information transfer using an efficient transport protocol
FR2742616B1 (fr) *	1995-12-18	1998-01-09	Cit Alcatel	Dispositif de chiffrement et dispositif de dechiffrement d'informations transportees par des cellules a mode de transfert asynchrone
US6477143B1 (en)	1998-01-25	2002-11-05	Dror Ginossar	Method and apparatus for packet network congestion avoidance and control
US20020110245A1 (en) *	2001-02-13	2002-08-15	Dumitru Gruia	Method and system for synchronizing security keys in a point-to-multipoint passive optical network
KR100546255B1 (ko) *	2002-10-28	2006-01-26	주식회사 엘지텔레콤	이동통신시스템에서 회선망을 이용한 일대다 데이터전송방법 및 시스템
DE102004062010A1 (de) *	2004-04-08	2005-10-27	Robert Bosch Gmbh	Verfahren und Vorrichtung zur Codeerzeugung bei der Übertragung von Daten über ein Kommunikationssystem
US7512237B1 (en)	2004-10-26	2009-03-31	Lockheed Martin Corporation	Encryption for optical communications using dynamic subcarrier multiplexing
JP4124194B2 (ja) *	2004-11-01	2008-07-23	日本電気株式会社	共有情報生成方法およびシステム

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2153300A1 (de) *	1971-10-26	1973-05-03	Erwin Bongers	Computer verschluesselungssystem auf der basis von gleichverteilten zufallszahlen
GB1422291A (en) *	1974-01-03	1976-01-21	Standard Telephones Cables Ltd	Data transmission systems
US4228321A (en) *	1978-05-16	1980-10-14	Bell Telephone Laboratories, Incorporated	Privacy transmission system with remote key control
US4809327A (en) *	1986-09-02	1989-02-28	Unisys Corporation	Encrtption of messages employing unique control words and randomly chosen encryption keys
US4805216A (en) *	1987-01-08	1989-02-14	Compfax Corporation	Method and apparatus for continuously acknowledged link encrypting

1988
- 1988-12-14 FR FR8816467A patent/FR2640449B1/fr not_active Expired - Lifetime
1989
- 1989-12-11 DE DE8989403423T patent/DE68900418D1/de not_active Expired - Lifetime
- 1989-12-11 EP EP89403423A patent/EP0374028B1/de not_active Expired - Lifetime
- 1989-12-12 US US07/449,218 patent/US4961221A/en not_active Expired - Lifetime
- 1989-12-13 CA CA002005391A patent/CA2005391C/en not_active Expired - Lifetime
- 1989-12-14 JP JP1324850A patent/JP2732540B2/ja not_active Expired - Fee Related

Also Published As

Publication number	Publication date
JPH02264534A (ja)	1990-10-29
CA2005391A1 (en)	1990-06-14
EP0374028A1 (de)	1990-06-20
JP2732540B2 (ja)	1998-03-30
FR2640449A1 (fr)	1990-06-15
EP0374028B1 (de)	1991-11-06
US4961221A (en)	1990-10-02
CA2005391C (en)	1994-05-24
FR2640449B1 (fr)	1991-05-31

Legal Events

Date	Code	Title	Description
1992-12-03	8364	No opposition during term of opposition
2008-10-02	8327	Change in the person/name/address of the patent owner	Owner name: FRANCE TELECOM, PARIS, FR

Publication	Publication Date	Title
DE69331311T2 (de)	2002-06-13	Datenkommunikationssystem und Verfahren
DE3852253D1 (de)	1995-01-12	Verschlüsselungs- und Identifizierungssystem.
DE3689533T2 (de)	1994-06-09	Plasmaphoresesystem und verfahren.
DE3850530T2 (de)	1994-10-27	System und Verfahren zur Aufnahme/Wiedergabe mit Aufnahmebeschränkungsfunktion.
DE3879820D1 (de)	1993-05-06	Verpackungssystem und verfahren.
DE3689510D1 (de)	1994-02-17	Einrichtung und Verfahren zur Datenverschleierung.
DE68927086D1 (de)	1996-10-10	Datenvereinheitlichungssystem und -methode
DE68912762D1 (de)	1994-03-10	Phasenkonjugiertes verstärkersystem und verfahren, mit vier durchfgängen.
DE3685634D1 (de)	1992-07-16	Verteiltes datenverarbeitungssystem und -verfahren.
DE69328164T2 (de)	2000-12-21	Systemverwaltungsverfahren und -vorrichtung.
DE3855739D1 (de)	1997-02-20	Nachrichtenübertragungssystem und -verfahren
DE69321746T2 (de)	1999-03-18	Datenmodulations und -demodulationsverfahren und -vorrichtung
DE68923053D1 (de)	1995-07-20	Fehlertolerantes System und Mehrheitentscheidungsverfahren.
DE69028498D1 (de)	1996-10-17	Datenübertragungssystem und -verfahren
DE69023730D1 (de)	1996-01-04	Kommunikationsvorrichtung und -verfahren.
DE68900418D1 (de)	1991-12-12	Kommunikationssystem und verfahren mit informationsverschluesselung.
DE3775383D1 (de)	1992-01-30	System und verfahren zur datenubertragung.
DE68921462T2 (de)	1995-08-17	Reifenrillenvorrichtung und verfahren.
DE68908371D1 (de)	1993-09-16	Verschluesselungssystem.
DE69131527T2 (de)	2000-04-27	Datenübertragungssystem und -Verfahren
DE3769726D1 (de)	1991-06-06	Verkehrsleit- und informationssystem.
IT8719698A0 (it)	1987-03-13	Metodo e dispositivo di fusione.
DE3650411D1 (de)	1995-11-09	Datenverarbeitungssystem und Verfahren.
DE68922178D1 (de)	1995-05-18	Datenkommunikationssystem.
DE68918795D1 (de)	1994-11-17	Datenübertragungssystem und verfahren dafür.