SE7601090L - Forfarande och anordning for synkronisering av en nyckelgenerator pa mottagarsidan med en nyckelgenerator pa sendarsidan - Google Patents

Forfarande och anordning for synkronisering av en nyckelgenerator pa mottagarsidan med en nyckelgenerator pa sendarsidan

Info

Publication number: SE7601090L
Authority: SE; Sweden
Prior art keywords: key generator; counter; key; receiver end; difference
Prior art date: 1975-02-05

Application number

SE7601090A

Other languages

Unknown language ( )

English (en)

Other versions

SE416605B (sv

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.)

1975-02-05

Filing date

1976-02-02

Publication date

1976-08-06

1976-02-02 Application filed by Europ Handelsges Anst filed Critical Europ Handelsges Anst

1976-08-06 Publication of SE7601090L publication Critical patent/SE7601090L/sv

1981-01-19 Publication of SE416605B publication Critical patent/SE416605B/sv

Links

230000015572 biosynthetic process Effects 0.000 abstract 1

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)
Lock And Its Accessories (AREA)
Mobile Radio Communication Systems (AREA)
Radio Relay Systems (AREA)

SE7601090A 1975-02-05 1976-02-02 Forfarande for krypterad overforing av information jemte anordning for utforande av forfarandet SE416605B (sv)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number	Publication Date
SE7601090L true SE7601090L (sv)	1976-08-06
SE416605B SE416605B (sv)	1981-01-19

Family

ID=4208716

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
SE7601090A SE416605B (sv)	1975-02-05	1976-02-02	Forfarande for krypterad overforing av information jemte anordning for utforande av forfarandet

Country Status (16)

Country	Link
US (1)	US4071693A (sv)
JP (1)	JPS51103707A (sv)
AR (1)	AR219054A1 (sv)
AT (1)	AT346396B (sv)
BE (1)	BE838157A (sv)
CA (1)	CA1054067A (sv)
CH (1)	CH603014A5 (sv)
DE (1)	DE2603844C2 (sv)
DK (1)	DK42976A (sv)
FI (1)	FI753736A7 (sv)
FR (1)	FR2300473A1 (sv)
GB (1)	GB1512926A (sv)
IT (1)	IT1055058B (sv)
NL (1)	NL7601008A (sv)
NO (1)	NO760339L (sv)
SE (1)	SE416605B (sv)

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
EP1143656B1 (en) *	2000-04-06	2004-11-03	Matsushita Electric Industrial Co., Ltd.	Copyright protection system, encryption device, decryption device, and recording medium
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 (sv) *	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

1975
- 1975-02-05 CH CH136575A patent/CH603014A5/xx not_active IP Right Cessation
- 1975-12-31 FI FI753736A patent/FI753736A7/fi not_active Application Discontinuation
1976
- 1976-01-27 US US05/652,757 patent/US4071693A/en not_active Expired - Lifetime
- 1976-02-02 GB GB3955/76A patent/GB1512926A/en not_active Expired
- 1976-02-02 DE DE2603844A patent/DE2603844C2/de not_active Expired
- 1976-02-02 AT AT71976A patent/AT346396B/de not_active IP Right Cessation
- 1976-02-02 NL NL7601008A patent/NL7601008A/xx not_active Application Discontinuation
- 1976-02-02 AR AR262108A patent/AR219054A1/es active
- 1976-02-02 CA CA244,738A patent/CA1054067A/en not_active Expired
- 1976-02-02 FR FR7602766*[A patent/FR2300473A1/fr active Granted
- 1976-02-02 IT IT19816/76A patent/IT1055058B/it active
- 1976-02-02 SE SE7601090A patent/SE416605B/sv not_active IP Right Cessation
- 1976-02-02 JP JP51009410A patent/JPS51103707A/ja active Pending
- 1976-02-02 DK DK42976*#A patent/DK42976A/da not_active Application Discontinuation
- 1976-02-02 NO NO760339*[A patent/NO760339L/no unknown
- 1976-02-02 BE BE163993A patent/BE838157A/xx not_active IP Right Cessation

Also Published As

Publication number	Publication date
AT346396B (de)	1978-11-10
FR2300473B1 (sv)	1981-12-31
CA1054067A (en)	1979-05-08
SE416605B (sv)	1981-01-19
BE838157A (fr)	1976-05-28
JPS51103707A (sv)	1976-09-13
GB1512926A (en)	1978-06-01
AR219054A1 (es)	1980-07-31
ATA71976A (de)	1978-03-15
NL7601008A (nl)	1976-08-09
NO760339L (sv)	1976-08-06
FI753736A7 (sv)	1976-08-06
IT1055058B (it)	1981-12-21
FR2300473A1 (fr)	1976-09-03
DE2603844C2 (de)	1984-10-11
US4071693A (en)	1978-01-31
DE2603844A1 (de)	1976-08-19
CH603014A5 (sv)	1978-08-15
DK42976A (da)	1976-08-06

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Legal Events

Date

Code

Title

Description

1995-01-31

NUG

Patent has lapsed

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