NL7205255A - - Google Patents

Info

Publication number
NL7205255A
NL7205255A NL7205255A NL7205255A NL7205255A NL 7205255 A NL7205255 A NL 7205255A NL 7205255 A NL7205255 A NL 7205255A NL 7205255 A NL7205255 A NL 7205255A NL 7205255 A NL7205255 A NL 7205255A
Authority
NL
Netherlands
Application number
NL7205255A
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 filed Critical
Publication of NL7205255A publication Critical patent/NL7205255A/xx

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
    • H04L9/12—Transmitting and receiving encryption devices synchronised or initially set up in a particular manner
    • 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
    • H04L9/0656—Pseudorandom key sequence combined element-for-element with data sequence, e.g. one-time-pad [OTP] or Vernam's cipher

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Paper (AREA)
NL7205255A 1971-04-19 1972-04-19 NL7205255A (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH563571A CH539989A (de) 1971-04-19 1971-04-19 Verfahren und Vorrichtung zur chiffrierten Nachrichtenübermittlung

Publications (1)

Publication Number Publication Date
NL7205255A true NL7205255A (xx) 1972-10-23

Family

ID=4296906

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7205255A NL7205255A (xx) 1971-04-19 1972-04-19

Country Status (9)

Country Link
CA (1) CA957947A (xx)
CH (1) CH539989A (xx)
DE (1) DE2218447C3 (xx)
FR (1) FR2136503A5 (xx)
GB (1) GB1388035A (xx)
IT (1) IT951865B (xx)
NL (1) NL7205255A (xx)
NO (1) NO135226C (xx)
SE (1) SE380414B (xx)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH578807A5 (xx) * 1974-11-05 1976-08-13 Patelhold Patentverwertung
CH581930A5 (xx) * 1975-02-05 1976-11-15 Europ Handelsges Anst
DE2507805C1 (de) * 1975-02-24 1993-07-15 Siemens Ag Verfahren zur Einphasung von Schluesselgeraeten
DE2706421C2 (de) * 1977-02-16 1979-03-15 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Verfahren zum Einstellen von Schlüsseltextgeneratoren in Chiffriergeräten
DE2908979C3 (de) * 1979-03-08 1982-03-18 Siemens Ag, 1000 Berlin Und 8000 Muenchen Verfahren zur verschlüsselten Übertragung von Faksimile-Daten
US4288659A (en) * 1979-05-21 1981-09-08 Atalla Technovations Method and means for securing the distribution of encoding keys
EP0022069B1 (de) * 1979-06-08 1983-09-21 GRETAG Aktiengesellschaft Vorrichtung zur chiffrierten Übermittlung von Nachrichten
DE3003998A1 (de) * 1980-02-04 1981-09-24 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt System zur ver- und entschluesselung von daten
DE3370918D1 (en) * 1982-08-19 1987-05-14 Bbc Brown Boveri & Cie Method of synchronising encryption and decryption during the transmission of digital encrypted data, and apparatus for carrying out said method
SE447859B (sv) * 1984-12-10 1986-12-15 Datakonsult I Malmo Ab Krypteringsanordning samt dekrypteringsanordning
AU601370B2 (en) * 1986-06-09 1990-09-13 Datakonsult I Malmo Ab Ciphering and deciphering device

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1216921C2 (de) * 1963-12-24 1976-05-13 Gretag Ag Verfahren zur Synchronisierung der Ver- und Entschluesselung von impulsfoermigen, binaer codierten Nachrichten, bei welchem sendeseitig die Nachrichtenklarimpulse mit Schluessel-impulsen gemischt werden

Also Published As

Publication number Publication date
DE2218447A1 (de) 1972-10-26
DE2218447C3 (de) 1981-05-14
FR2136503A5 (xx) 1972-12-22
CH539989A (de) 1973-07-31
NO135226B (xx) 1976-11-22
IT951865B (it) 1973-07-10
NO135226C (xx) 1977-03-02
SE380414B (sv) 1975-11-03
GB1388035A (en) 1975-03-19
CA957947A (en) 1974-11-19
DE2218447B2 (de) 1980-09-11

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Legal Events

Date Code Title Description
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
BV The patent application has lapsed