DK42976A - Fremgangsmade til synkronisering af en kodegenerator for en modtager med en kodegenerator for en sender, samt apparatur til udovelse af fremgangsmaden - Google Patents

Fremgangsmade til synkronisering af en kodegenerator for en modtager med en kodegenerator for en sender, samt apparatur til udovelse af fremgangsmaden

Info

Publication number
DK42976A
DK42976A DK42976*#A DK42976A DK42976A DK 42976 A DK42976 A DK 42976A DK 42976 A DK42976 A DK 42976A DK 42976 A DK42976 A DK 42976A
Authority
DK
Denmark
Prior art keywords
procedure
code generator
synchronizing
transmitter
receiver
Prior art date
Application number
DK42976*#A
Other languages
Danish (da)
English (en)
Inventor
P Frutiger
Original Assignee
Europ Handelsges Anst
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 Europ Handelsges Anst filed Critical Europ Handelsges Anst
Publication of DK42976A publication Critical patent/DK42976A/da

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
    • H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
    • H04L9/0861—Generation of secret information including derivation or calculation of cryptographic keys or passwords

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Radio Relay Systems (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Lock And Its Accessories (AREA)
DK42976*#A 1975-02-05 1976-02-02 Fremgangsmade til synkronisering af en kodegenerator for en modtager med en kodegenerator for en sender, samt apparatur til udovelse af fremgangsmaden DK42976A (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH136575A CH603014A5 (fr) 1975-02-05 1975-02-05

Publications (1)

Publication Number Publication Date
DK42976A true DK42976A (da) 1976-08-06

Family

ID=4208716

Family Applications (1)

Application Number Title Priority Date Filing Date
DK42976*#A DK42976A (da) 1975-02-05 1976-02-02 Fremgangsmade til synkronisering af en kodegenerator for en modtager med en kodegenerator for en sender, samt apparatur til udovelse af fremgangsmaden

Country Status (16)

Country Link
US (1) US4071693A (fr)
JP (1) JPS51103707A (fr)
AR (1) AR219054A1 (fr)
AT (1) AT346396B (fr)
BE (1) BE838157A (fr)
CA (1) CA1054067A (fr)
CH (1) CH603014A5 (fr)
DE (1) DE2603844C2 (fr)
DK (1) DK42976A (fr)
FI (1) FI753736A (fr)
FR (1) FR2300473A1 (fr)
GB (1) GB1512926A (fr)
IT (1) IT1055058B (fr)
NL (1) NL7601008A (fr)
NO (1) NO760339L (fr)
SE (1) SE416605B (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5805704A (en) * 1995-12-15 1998-09-08 United Microelectronics Corp. Method and apparatus for protecting broadcast software against unauthorized reception on a software broadcasting system
US20020159598A1 (en) * 1997-10-31 2002-10-31 Keygen Corporation System and method of dynamic key generation for digital communications
US6282181B1 (en) 1998-04-24 2001-08-28 Ericsson Inc Pseudorandom number sequence generation in radiocommunication systems
US6697490B1 (en) * 1999-10-19 2004-02-24 Lucent Technologies Inc. Automatic resynchronization of crypto-sync information
DE60106802T2 (de) * 2000-04-06 2005-03-10 Matsushita Electric Industrial Co., Ltd., Kadoma Urheberrechtsschutzsystem, Verschlüsselungsvorrichtung, Entschlüsselungsvorrichtung und Aufzeichnungsmedium
US8527755B2 (en) * 2004-03-04 2013-09-03 Sony Corporation Methods and systems for effecting transmitter and receiver synchronization between a transmitter and a receiver of a transmitter/receiver network

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB849423A (en) * 1958-05-21 1960-09-28 Standard Telephones Cables Ltd Improvements in or relating to synchronising arrangements for ciphered start-stop telegraph apparatus
US3800086A (en) * 1964-09-30 1974-03-26 Us Navy Automatic sync detector
FR1500846A (fr) * 1966-06-03 1967-11-10 Csf Liaison alternat à chiffrement synchrone
FR1582790A (fr) * 1968-01-16 1969-10-10
US3562710A (en) * 1968-04-24 1971-02-09 Ball Brothers Res Corp Bit error detector for digital communication system
CH506217A (de) * 1970-03-16 1971-04-15 Europ Handelsges Anst Schaltung für Verschlüsselungsgeräte
US3808367A (en) * 1971-10-25 1974-04-30 Martin Marietta Corp Method and circuit for timing signal derivation from received data
US3920894A (en) * 1974-03-11 1975-11-18 Bell Telephone Labor Inc Pseudo-random parallel word generator

Also Published As

Publication number Publication date
US4071693A (en) 1978-01-31
NL7601008A (nl) 1976-08-09
CH603014A5 (fr) 1978-08-15
GB1512926A (en) 1978-06-01
DE2603844C2 (de) 1984-10-11
AT346396B (de) 1978-11-10
DE2603844A1 (de) 1976-08-19
IT1055058B (it) 1981-12-21
CA1054067A (fr) 1979-05-08
FI753736A (fr) 1976-08-06
AR219054A1 (es) 1980-07-31
BE838157A (fr) 1976-05-28
SE7601090L (sv) 1976-08-06
FR2300473B1 (fr) 1981-12-31
FR2300473A1 (fr) 1976-09-03
JPS51103707A (fr) 1976-09-13
SE416605B (sv) 1981-01-19
NO760339L (fr) 1976-08-06
ATA71976A (de) 1978-03-15

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Legal Events

Date Code Title Description
AHS Application shelved for other reasons than non-payment