NL7707323A - METHOD AND ARRANGEMENT FOR SYNCHRONIZING KEY DEVICES FOR INFORMATION TRANSFER SCHEMES. - Google Patents

METHOD AND ARRANGEMENT FOR SYNCHRONIZING KEY DEVICES FOR INFORMATION TRANSFER SCHEMES.

Info

Publication number
NL7707323A
NL7707323A NL7707323A NL7707323A NL7707323A NL 7707323 A NL7707323 A NL 7707323A NL 7707323 A NL7707323 A NL 7707323A NL 7707323 A NL7707323 A NL 7707323A NL 7707323 A NL7707323 A NL 7707323A
Authority
NL
Netherlands
Prior art keywords
arrangement
information transfer
key devices
transfer schemes
synchronizing key
Prior art date
Application number
NL7707323A
Other languages
Dutch (nl)
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 NL7707323A publication Critical patent/NL7707323A/en

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)
NL7707323A 1976-07-15 1977-07-01 METHOD AND ARRANGEMENT FOR SYNCHRONIZING KEY DEVICES FOR INFORMATION TRANSFER SCHEMES. NL7707323A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2631823A DE2631823C3 (en) 1976-07-15 1976-07-15 Method for synchronizing key devices for data transmission systems

Publications (1)

Publication Number Publication Date
NL7707323A true NL7707323A (en) 1978-01-17

Family

ID=5983088

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7707323A NL7707323A (en) 1976-07-15 1977-07-01 METHOD AND ARRANGEMENT FOR SYNCHRONIZING KEY DEVICES FOR INFORMATION TRANSFER SCHEMES.

Country Status (7)

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

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2920589C2 (en) * 1979-05-21 1981-06-11 Siemens AG, 1000 Berlin und 8000 München Method and circuit arrangement for checking the synchronism of two key devices
DE2939159C3 (en) * 1979-09-27 1982-03-25 Siemens AG, 1000 Berlin und 8000 München Method for the synchronization of key devices that are operated as part of a packet network
JPH0620228B2 (en) * 1984-03-13 1994-03-16 キヤノン株式会社 Equipment

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL272974A (en) * 1960-12-29
DE1216921C2 (en) * 1963-12-24 1976-05-13 Gretag Ag Method for the synchronization of the encryption and decryption of impulse-shaped, binary coded messages, in which the message clear pulses are mixed with key pulses on the sending side
FR1582790A (en) * 1968-01-16 1969-10-10
DE2017282C3 (en) * 1970-04-10 1974-05-02 Siemens Ag Communication system with two-way traffic and pulse operation
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
NO148133B (en) 1983-05-02
FR2358789A1 (en) 1978-02-10
DE2631823A1 (en) 1978-01-19
NO772469L (en) 1978-01-17
NO148133C (en) 1983-08-17
CH617553A5 (en) 1980-05-30
FR2358789B1 (en) 1985-04-05
GB1532363A (en) 1978-11-15
DE2631823C3 (en) 1984-03-01
ATA500277A (en) 1979-08-15
AT355635B (en) 1980-03-10
DE2631823B2 (en) 1978-05-03

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