SE326210B - - Google Patents

Info

Publication number
SE326210B
SE326210B SE15622/64A SE1562264A SE326210B SE 326210 B SE326210 B SE 326210B SE 15622/64 A SE15622/64 A SE 15622/64A SE 1562264 A SE1562264 A SE 1562264A SE 326210 B SE326210 B SE 326210B
Authority
SE
Sweden
Prior art keywords
series
pulses
cipher
receiving station
cipher pulses
Prior art date
Application number
SE15622/64A
Other languages
English (en)
Inventor
K Ehrat
Original Assignee
Gretag Ag
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
Priority claimed from CH1593863A external-priority patent/CH422047A/de
Application filed by Gretag Ag filed Critical Gretag Ag
Publication of SE326210B publication Critical patent/SE326210B/xx

Links

Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09C—CIPHERING OR DECIPHERING APPARATUS FOR CRYPTOGRAPHIC OR OTHER PURPOSES INVOLVING THE NEED FOR SECRECY
    • G09C1/00—Apparatus or methods whereby a given sequence of signs, e.g. an intelligible text, is transformed into an unintelligible sequence of signs by transposing the signs or groups of signs or by replacing them by others according to a predetermined system
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Small-Scale Networks (AREA)
  • Mobile Radio Communication Systems (AREA)
SE15622/64A 1963-12-24 1964-12-23 SE326210B (xx)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH1593863A CH422047A (de) 1963-12-24 1963-12-24 Verfahren zur Synchronisierung der Ver- und Entschlüsselung von impulsförmig dargestellten Nachrichten
US04/420,393 US4145569A (en) 1963-12-24 1964-12-22 Method and apparatus for synchronizing the ciphering and deciphering of binary-coded messages

Publications (1)

Publication Number Publication Date
SE326210B true SE326210B (xx) 1970-07-20

Family

ID=25717222

Family Applications (1)

Application Number Title Priority Date Filing Date
SE15622/64A SE326210B (xx) 1963-12-24 1964-12-23

Country Status (5)

Country Link
US (1) US4145569A (xx)
DE (1) DE1216921C2 (xx)
GB (1) GB1096232A (xx)
NL (1) NL153054B (xx)
SE (1) SE326210B (xx)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1803062C1 (de) * 1968-10-15 1999-02-25 Telefunken Patent Einrichtung zur Synchronisation von Zufallszeichengeneratoren
CH539989A (de) * 1971-04-19 1973-07-31 Gretag Ag Verfahren und Vorrichtung zur chiffrierten Nachrichtenübermittlung
DE2631823C3 (de) * 1976-07-15 1984-03-01 ANT Nachrichtentechnik GmbH, 7150 Backnang Verfahren zum Synchronisieren von Schlüsseleinrichtungen für Datenübertragungsanlagen
FR2518338A1 (fr) * 1981-12-15 1983-06-17 Thomson Csf Procede de synchronisation des postes emetteurs-recepteurs d'un reseau a sauts de frequence et poste destine a la mise en oeuvre de ce procede
US4510579A (en) * 1982-07-02 1985-04-09 Rca Corporation Fast correlation system
DE3325349A1 (de) * 1983-07-14 1985-01-24 ANT Nachrichtentechnik GmbH, 7150 Backnang Verfahren und schaltungsanordnung zur ueberwachung und wiederherstellung des synchronlaufs von datenverschluesselgeraeten
DE3325347A1 (de) * 1983-07-14 1985-01-24 ANT Nachrichtentechnik GmbH, 7150 Backnang Verfahren und schaltungsanordnung zur ueberwachung und wiederherstellung des synchronlaufs von datenverschluesselgeraeten
US4998279A (en) * 1984-11-30 1991-03-05 Weiss Kenneth P Method and apparatus for personal verification utilizing nonpredictable codes and biocharacteristics
US4720860A (en) * 1984-11-30 1988-01-19 Security Dynamics Technologies, Inc. Method and apparatus for positively identifying an individual
US5367572A (en) * 1984-11-30 1994-11-22 Weiss Kenneth P Method and apparatus for personal identification
US4885778A (en) * 1984-11-30 1989-12-05 Weiss Kenneth P Method and apparatus for synchronizing generation of separate, free running, time dependent equipment
DE3832946A1 (de) * 1988-09-28 1990-04-05 Siemens Ag Verfahren zur verschluesselung digitaler zeitmultiplexsignale
US4972474A (en) * 1989-05-01 1990-11-20 Cylink Corporation Integer encryptor
US5237614A (en) * 1991-06-07 1993-08-17 Security Dynamics Technologies, Inc. Integrated network security system
DE69330070T2 (de) * 1992-12-30 2001-11-08 Telstra Corp. Ltd., Melbourne Verfahren und einrichtung zur erzeugung einer chiffriersequenz
US5612683A (en) * 1994-08-26 1997-03-18 Trempala; Dohn J. Security key holder
US6603857B1 (en) * 1997-07-14 2003-08-05 Entrust Technologies Limited Method and apparatus for controlling release of time sensitive information
DE19822685A1 (de) * 1998-05-20 2000-01-27 Deutsche Telekom Ag Verfahren zur gesicherten Übertragung von Nachrichten
US6985583B1 (en) * 1999-05-04 2006-01-10 Rsa Security Inc. System and method for authentication seed distribution
US20090245516A1 (en) * 2008-02-26 2009-10-01 Pasupuleti Sureshbabu Ravikiran Method and system for high entropy encryption using an unpredictable seed based on user regisration time
US7363494B2 (en) * 2001-12-04 2008-04-22 Rsa Security Inc. Method and apparatus for performing enhanced time-based authentication
US7168430B2 (en) * 2003-05-24 2007-01-30 Hauni Maschinenbau Ag Lamp device on a production machine for the manufacture of products of the tobacco-processing industry as well as associated lamp
EP1849119B1 (en) * 2005-02-18 2019-07-10 EMC Corporation Derivative seeds
GB201908534D0 (en) * 2019-06-13 2019-07-31 Decawave Ltd Secure ultra wide band ranging
US12136329B2 (en) * 2019-11-22 2024-11-05 Lg Electronics Inc. Method for receiving signal, by terminal of vulnerable road user, in wireless communication system
CN114844574B (zh) * 2022-07-04 2022-10-18 浙江大学湖州研究院 一种光纤通信系统及通信方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL200501A (xx) * 1955-01-26
CH382216A (de) * 1960-11-07 1964-09-30 Europ Handelsges Anst Gerät zur Ver- und Entschlüsselung eines in Fernschreibersymbolen niedergelegten Textes

Also Published As

Publication number Publication date
DE1216921C2 (de) 1976-05-13
GB1096232A (en) 1967-12-20
NL6415006A (xx) 1965-06-25
NL153054B (nl) 1977-04-15
DE1216921B (de) 1966-05-18
US4145569A (en) 1979-03-20

Similar Documents

Publication Publication Date Title
SE326210B (xx)
US4145568A (en) Method and apparatus for ciphering and deciphering messages
CA2128115A1 (en) Encryption Apparatus, Communication System Using the Same and Method Therefor
GB1480859A (en) Block ciphers
ATE162033T1 (de) Verfahren zur authentifikation zwischen zwei elektronischen einrichtungen
GB1167272A (en) Improvement to Key Generators for Cryptographic Devices
JPS5487003A (en) Method of verifying operation key in data communication network
US3038028A (en) Arrangement for producing a series of pulses
GB951174A (en) Method of ciphering messages
GB1379740A (en) Method and apparatus for encoded messages transmission
SE316797B (xx)
DE3570340D1 (en) Method and apparatus for converting a digital data sequence into an enciphered form
GB998283A (en) Method and apparatus for producing quasi-random numbers
DE2218447B2 (de) Verfahren und Vorrichtung zur chiffrieerten Nachrichtenübermittlung
ES8608763A1 (es) Un equipo de transmision de television, destinado a generar una senal de television
US2556933A (en) Television synchronizing signal generator
US3976839A (en) Telephone privacy system
US3016519A (en) Synchronization for maximum correlation
ES387293A1 (es) Metodo de cifrado de textos escritos en teleimpresor.
GB931523A (en) A pulse selecting circuit
US3384705A (en) Facsimile privacy apparatus
GB1429469A (en) Method for subsequently setting data receivers in a contrinuous transmission of encoded data transmitted in binary code form
GB1508971A (en) Teleprinter systems
DE3064903D1 (en) Apparatus for enciphered transmission of messages
DE2058796B2 (de) Verfahren und Einrichtung zur Synchronisation von Zufallszeichengeneratoren