NO148133C - Fremgangsmaate for synkronisering av noekkelinnretninger i dataoverfoeringsanlegg - Google Patents

Fremgangsmaate for synkronisering av noekkelinnretninger i dataoverfoeringsanlegg

Info

Publication number
NO148133C
NO148133C NO772469A NO772469A NO148133C NO 148133 C NO148133 C NO 148133C NO 772469 A NO772469 A NO 772469A NO 772469 A NO772469 A NO 772469A NO 148133 C NO148133 C NO 148133C
Authority
NO
Norway
Prior art keywords
procedure
data transmission
transmission systems
key devices
synchronizing key
Prior art date
Application number
NO772469A
Other languages
English (en)
Norwegian (no)
Other versions
NO772469L (no
NO148133B (no
Inventor
Edward Van Wijhe
Ekkehard Glitz
Original Assignee
Licentia Gmbh
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 Licentia Gmbh filed Critical Licentia Gmbh
Publication of NO772469L publication Critical patent/NO772469L/no
Publication of NO148133B publication Critical patent/NO148133B/no
Publication of NO148133C publication Critical patent/NO148133C/no

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

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)
  • Train Traffic Observation, Control, And Security (AREA)
  • Lock And Its Accessories (AREA)
NO772469A 1976-07-15 1977-07-12 Fremgangsmaate for synkronisering av noekkelinnretninger i dataoverfoeringsanlegg NO148133C (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2631823A DE2631823C3 (de) 1976-07-15 1976-07-15 Verfahren zum Synchronisieren von Schlüsseleinrichtungen für Datenübertragungsanlagen

Publications (3)

Publication Number Publication Date
NO772469L NO772469L (no) 1978-01-17
NO148133B NO148133B (no) 1983-05-02
NO148133C true NO148133C (no) 1983-08-17

Family

ID=5983088

Family Applications (1)

Application Number Title Priority Date Filing Date
NO772469A NO148133C (no) 1976-07-15 1977-07-12 Fremgangsmaate for synkronisering av noekkelinnretninger i dataoverfoeringsanlegg

Country Status (7)

Country Link
AT (1) AT355635B (de)
CH (1) CH617553A5 (de)
DE (1) DE2631823C3 (de)
FR (1) FR2358789A1 (de)
GB (1) GB1532363A (de)
NL (1) NL7707323A (de)
NO (1) NO148133C (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2920589C2 (de) * 1979-05-21 1981-06-11 Siemens AG, 1000 Berlin und 8000 München Verfahren und Schaltungsanordnung zur Überprüfung des Synchronlaufs zweier Schlüsselgeräte
DE2939159C3 (de) * 1979-09-27 1982-03-25 Siemens AG, 1000 Berlin und 8000 München Verfahren zur Synchronisierung von Schlüsselgeräten, die im Rahmen eines Paketnetzes betrieben werden
JPH0620228B2 (ja) * 1984-03-13 1994-03-16 キヤノン株式会社 フアクシミリ装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL272974A (de) * 1960-12-29
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
FR1582790A (de) * 1968-01-16 1969-10-10
DE2017282C3 (de) * 1970-04-10 1974-05-02 Siemens Ag Nachrichtenübertragungssystem mit Gegenverkehr und Pulsbetrieb
US3798605A (en) * 1971-06-30 1974-03-19 Ibm Centralized verification system
US3764742A (en) * 1971-12-23 1973-10-09 Ibm Cryptographic identification system

Also Published As

Publication number Publication date
CH617553A5 (en) 1980-05-30
AT355635B (de) 1980-03-10
ATA500277A (de) 1979-08-15
DE2631823A1 (de) 1978-01-19
FR2358789B1 (de) 1985-04-05
DE2631823B2 (de) 1978-05-03
NO772469L (no) 1978-01-17
GB1532363A (en) 1978-11-15
FR2358789A1 (fr) 1978-02-10
NL7707323A (nl) 1978-01-17
DE2631823C3 (de) 1984-03-01
NO148133B (no) 1983-05-02

Similar Documents

Publication Publication Date Title
GB1548083A (en) Data transmission system
SE7711817L (sv) Datatransmissionsanordning
SE415313B (sv) Dataoverforingssystem
GB1554060A (en) Data transmission system
AU508001B2 (en) Key register controlled accessing system
JPS52109804A (en) Data transmission system
NO780118L (no) Data-transmisjonssystem for borehull
SE7707284L (sv) Anordning for samtidig dubbelriktad dataoverforing via tvatradiga kretsar
JPS5359318A (en) Data transmission system
SE7702099L (sv) Datasystem
SE7706505L (sv) Fellokaliseringsanordning for digitala transmissionssystem
DK147534C (da) System til informationsoverfoering over radio
SE8001920L (sv) Ekoeliminator for homokrona datatransmissionsanleggningar
JPS52141505A (en) Data transmission system
SE426899B (sv) Dataoverforingssystem
JPS5315031A (en) Data transmission system
GB1541063A (en) Plesiochronous data transmission systems
NO793302L (no) Fremgangsmaate for fasesynkronisering i et sykront datatransmisjonssystem og anordning for utfoerelse av fremgangsmaaten
NO148133C (no) Fremgangsmaate for synkronisering av noekkelinnretninger i dataoverfoeringsanlegg
SE404282B (sv) Anordning for overforing av teckenramsbundna data i tidsmultiplexsystem
NL7805955A (nl) Gegevensuitzendstelsel.
SE7711852L (sv) Elektroniskt system, serskilt for ferskrivare
SE423296B (sv) Anordning for overforing av digital information
JPS5335404A (en) Information transmission system
GB1551323A (en) Data transmission systems