SE380414B - Sett for overforing av chiffrerade meddelanden samt anordning for genomforande av settet - Google Patents

Sett for overforing av chiffrerade meddelanden samt anordning for genomforande av settet

Info

Publication number
SE380414B
SE380414B SE503172A SE503172A SE380414B SE 380414 B SE380414 B SE 380414B SE 503172 A SE503172 A SE 503172A SE 503172 A SE503172 A SE 503172A SE 380414 B SE380414 B SE 380414B
Authority
SE
Sweden
Prior art keywords
kit
enfired
messages
implementing
transmission
Prior art date
Application number
SE503172A
Other languages
English (en)
Inventor
P Schmid
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
Application filed by Gretag Ag filed Critical Gretag Ag
Publication of SE380414B publication Critical patent/SE380414B/sv

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)
SE503172A 1971-04-19 1972-04-18 Sett for overforing av chiffrerade meddelanden samt anordning for genomforande av settet SE380414B (sv)

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
SE380414B true SE380414B (sv) 1975-11-03

Family

ID=4296906

Family Applications (1)

Application Number Title Priority Date Filing Date
SE503172A SE380414B (sv) 1971-04-19 1972-04-18 Sett for overforing av chiffrerade meddelanden samt anordning for genomforande av settet

Country Status (9)

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

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH578807A5 (sv) * 1974-11-05 1976-08-13 Patelhold Patentverwertung
CH581930A5 (sv) * 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
DE3064903D1 (en) * 1979-06-08 1983-10-27 Gretag Ag Apparatus for enciphered transmission of messages
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
FR2136503A5 (sv) 1972-12-22
DE2218447C3 (de) 1981-05-14
CH539989A (de) 1973-07-31
DE2218447B2 (de) 1980-09-11
DE2218447A1 (de) 1972-10-26
NO135226C (sv) 1977-03-02
NO135226B (sv) 1976-11-22
IT951865B (it) 1973-07-10
GB1388035A (en) 1975-03-19
CA957947A (en) 1974-11-19
NL7205255A (sv) 1972-10-23

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