EP0216595A3 - Datenverschlüsselung - Google Patents

Datenverschlüsselung Download PDF

Info

Publication number
EP0216595A3
EP0216595A3 EP86307139A EP86307139A EP0216595A3 EP 0216595 A3 EP0216595 A3 EP 0216595A3 EP 86307139 A EP86307139 A EP 86307139A EP 86307139 A EP86307139 A EP 86307139A EP 0216595 A3 EP0216595 A3 EP 0216595A3
Authority
EP
European Patent Office
Prior art keywords
data
plain form
sets
sort
fed out
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Withdrawn
Application number
EP86307139A
Other languages
English (en)
French (fr)
Other versions
EP0216595A2 (de
Inventor
William Edward Brierley
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.)
Allard Way Holdings Ltd
Original Assignee
GEC Avionics 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
Application filed by GEC Avionics Ltd filed Critical GEC Avionics Ltd
Publication of EP0216595A2 publication Critical patent/EP0216595A2/de
Publication of EP0216595A3 publication Critical patent/EP0216595A3/de
Withdrawn legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04KSECRET COMMUNICATION; JAMMING OF COMMUNICATION
    • H04K1/00Secret communication
    • H04K1/06Secret communication by transmitting the information or elements thereof at unnatural speeds or in jumbled order or backwards
EP86307139A 1985-09-17 1986-09-16 Datenverschlüsselung Withdrawn EP0216595A3 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8522979 1985-09-17
GB8522979 1985-09-17

Publications (2)

Publication Number Publication Date
EP0216595A2 EP0216595A2 (de) 1987-04-01
EP0216595A3 true EP0216595A3 (de) 1988-10-26

Family

ID=10585302

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86307139A Withdrawn EP0216595A3 (de) 1985-09-17 1986-09-16 Datenverschlüsselung

Country Status (3)

Country Link
EP (1) EP0216595A3 (de)
JP (1) JPS62111542A (de)
GB (1) GB2180728A (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2711665B1 (fr) * 1993-10-25 1995-12-08 Atochem Elf Sa Liant d'adhésion du PVDF, son application comme matériau barrière et matériaux obtenus à partir de celui-ci.
CA2411996C (en) * 1997-04-24 2009-09-08 Ntt Mobile Communications Network Inc. Method and system for mobile communications

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4217469A (en) * 1977-03-15 1980-08-12 Emilio Martelli Coding and decoding apparatus for the protection of communication secrecy
EP0018869A1 (de) * 1979-04-20 1980-11-12 Etablissement Public Télédiffusion de France Anlage zur Verschleierung und Entschleierung eines Analogsignals durch zeitliche Kompressionen und Expansionen
US4392021A (en) * 1980-07-28 1983-07-05 Technical Communications Corporation Secure facsimile transmission system using time-delay modulation
EP0117276A2 (de) * 1982-09-20 1984-09-05 Sanyo Electric Co., Ltd. Gerät zur Geheimübertragung

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59112740A (ja) * 1983-11-28 1984-06-29 Enii:Kk 秘話装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4217469A (en) * 1977-03-15 1980-08-12 Emilio Martelli Coding and decoding apparatus for the protection of communication secrecy
EP0018869A1 (de) * 1979-04-20 1980-11-12 Etablissement Public Télédiffusion de France Anlage zur Verschleierung und Entschleierung eines Analogsignals durch zeitliche Kompressionen und Expansionen
US4392021A (en) * 1980-07-28 1983-07-05 Technical Communications Corporation Secure facsimile transmission system using time-delay modulation
EP0117276A2 (de) * 1982-09-20 1984-09-05 Sanyo Electric Co., Ltd. Gerät zur Geheimübertragung

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN, vol. 8, no. 231 (E-274)[1668], 24th October 1984; & JP-A-59 112 740 (ENII K.K.) 29-06-1984 *

Also Published As

Publication number Publication date
GB2180728A (en) 1987-04-01
EP0216595A2 (de) 1987-04-01
GB8622238D0 (en) 1986-10-22
JPS62111542A (ja) 1987-05-22

Similar Documents

Publication Publication Date Title
EP0720326A3 (de) Verfahren zur gesicherten Sitzungsschlüsselerzeugung
WO1996008912A3 (en) Conditional access system
HUP0003066A2 (hu) Berendezés és eljárás adatok továbbítására vevő- és dekódoló berendezéshez, valamint továbbító és vevő rendszer
CA2308141A1 (en) A method and a system for transferring information using an encryption mode indicator
EP1258100A4 (de) Verfahren und vorrichtung zur gesicherten kryptograpfischen kommunikation
BR9407177A (pt) Processos para criptografar singularmente cada serviço no local de transmissão e para descriptografar um serviço selecionado no local de recepção em um sistema de comunicações aparelho criptografador para criptografar singularmente uma pluralidade de serviços num local de transmissão e para transmitir os serviços criptografados para um local de recepção remoto e para uso em um local de recepção em um sistema de comunicações
KR950704881A (ko) 유일하게 데이타를 암호화하는 방법 및 장치
HK1012811A1 (en) Apparatus and method for securing communication systems
HK1019683A1 (en) Method for providing a secure communication between two devices and device for using the method
IL135413A0 (en) Method and apparatus for encrypted data stream transmission
BG104905A (en) Mechanism for matching a receiver with a security module
IL92310A0 (en) System for controlling access to broadcast transmissions
EP0912057A3 (de) Digitaler Rundfunkempfänger
EP0766424A3 (de) Einrichtung mit kryptographischen Schlüsseln mehrfacher Länge
JPH0468836B2 (de)
CA2226831A1 (en) Decryption of retransmitted data in an encrypted communication system
EP0216595A3 (de) Datenverschlüsselung
EP1122954A3 (de) Verfahren und Vorrichtung zum Übertragen von Dateneinheiten eines Datenstroms
WO2000018060A3 (en) A secure data transfer system
GB2155281A (en) Probabilistic scrambler and method of probabilistic scrambling
JPS6032449A (ja) 暗号化デジタル放送装置
JPH0614641B2 (ja) 鍵情報配送処理方式
WO2001046773A3 (en) Method and apparatus for transmitting data
JPS6423276A (en) Enciphering system for digital data
EP0230327A3 (de) Teletext-Übertragungssysteme

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

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AT BE CH DE FR GB IT LI LU NL SE

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): AT BE CH DE FR GB IT LI LU NL SE

17P Request for examination filed

Effective date: 19890109

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: 19900403

RIN1 Information on inventor provided before grant (corrected)

Inventor name: BRIERLEY, WILLIAM EDWARD