ZA865206B - A method of and apparatus for carrying out enciphered radio traffic - Google Patents

A method of and apparatus for carrying out enciphered radio traffic

Info

Publication number
ZA865206B
ZA865206B ZA865206A ZA865206A ZA865206B ZA 865206 B ZA865206 B ZA 865206B ZA 865206 A ZA865206 A ZA 865206A ZA 865206 A ZA865206 A ZA 865206A ZA 865206 B ZA865206 B ZA 865206B
Authority
ZA
South Africa
Prior art keywords
time
encryption
code
connection
receiving stations
Prior art date
Application number
ZA865206A
Other languages
English (en)
Inventor
Manfred Hanni
Bodo Rittenauer
Original Assignee
Siemens 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 Siemens Ag filed Critical Siemens Ag
Publication of ZA865206B publication Critical patent/ZA865206B/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
    • H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
    • H04K1/00—Secret communication
    • 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
    • H04L9/14—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols using a plurality of keys or algorithms
    • H04L9/16—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols using a plurality of keys or algorithms the keys or algorithms being changed during operation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L2209/00—Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
    • H04L2209/80—Wireless

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Devices For Checking Fares Or Tickets At Control Points (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Road Signs Or Road Markings (AREA)
  • Circuits Of Receivers In General (AREA)
ZA865206A 1985-07-12 1986-07-11 A method of and apparatus for carrying out enciphered radio traffic ZA865206B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3524941 1985-07-12

Publications (1)

Publication Number Publication Date
ZA865206B true ZA865206B (en) 1987-02-25

Family

ID=6275622

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA865206A ZA865206B (en) 1985-07-12 1986-07-11 A method of and apparatus for carrying out enciphered radio traffic

Country Status (5)

Country Link
EP (1) EP0209079B1 (xx)
AT (1) ATE76235T1 (xx)
DE (1) DE3685270D1 (xx)
TR (1) TR23067A (xx)
ZA (1) ZA865206B (xx)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5001756A (en) * 1989-08-11 1991-03-19 Motorola, Inc. Decryption device with variable clock
SE464553B (sv) * 1989-09-12 1991-05-06 Ericsson Telefon Ab L M Synkroniseringsmetod i ett mobilradiosystem
JP2581440B2 (ja) * 1994-05-11 1997-02-12 日本電気株式会社 スクランブル通信方式

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4245346A (en) * 1962-02-07 1981-01-13 Magnavox Government And Industrial Electronics Co. Communication system
CH540613A (de) * 1970-12-08 1973-08-15 Gretag Ag Verfahren und Vorrichtung zur chiffrierten Nachrichtenübermittlung
DE3150254A1 (de) * 1981-04-13 1983-07-14 Siemens AG, 1000 Berlin und 8000 München Einrichtung zur verschluesselten digitalen informationsuebertragung

Also Published As

Publication number Publication date
ATE76235T1 (de) 1992-05-15
DE3685270D1 (de) 1992-06-17
EP0209079A3 (en) 1989-01-04
EP0209079B1 (de) 1992-05-13
TR23067A (tr) 1989-02-21
EP0209079A2 (de) 1987-01-21

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