AT346396B - Einrichtung fuer ein system zur verschluesselten uebertragung von informationen - Google Patents
Einrichtung fuer ein system zur verschluesselten uebertragung von informationenInfo
- Publication number
- AT346396B AT346396B AT71976A AT71976A AT346396B AT 346396 B AT346396 B AT 346396B AT 71976 A AT71976 A AT 71976A AT 71976 A AT71976 A AT 71976A AT 346396 B AT346396 B AT 346396B
- Authority
- AT
- Austria
- Prior art keywords
- information
- encrypted transmission
- encrypted
- transmission
- Prior art date
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)
- Mobile Radio Communication Systems (AREA)
- Radio Relay Systems (AREA)
- Lock And Its Accessories (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH136575A CH603014A5 (de) | 1975-02-05 | 1975-02-05 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| ATA71976A ATA71976A (de) | 1978-03-15 |
| AT346396B true AT346396B (de) | 1978-11-10 |
Family
ID=4208716
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT71976A AT346396B (de) | 1975-02-05 | 1976-02-02 | Einrichtung fuer ein system zur verschluesselten uebertragung von informationen |
Country Status (16)
| Country | Link |
|---|---|
| US (1) | US4071693A (de) |
| JP (1) | JPS51103707A (de) |
| AR (1) | AR219054A1 (de) |
| AT (1) | AT346396B (de) |
| BE (1) | BE838157A (de) |
| CA (1) | CA1054067A (de) |
| CH (1) | CH603014A5 (de) |
| DE (1) | DE2603844C2 (de) |
| DK (1) | DK42976A (de) |
| FI (1) | FI753736A (de) |
| FR (1) | FR2300473A1 (de) |
| GB (1) | GB1512926A (de) |
| IT (1) | IT1055058B (de) |
| NL (1) | NL7601008A (de) |
| NO (1) | NO760339L (de) |
| SE (1) | SE416605B (de) |
Families Citing this family (6)
| 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)
| 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 (de) * | 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/FI753736A/fi not_active Application Discontinuation
-
1976
- 1976-01-27 US US05/652,757 patent/US4071693A/en not_active Expired - Lifetime
- 1976-02-02 NL NL7601008A patent/NL7601008A/xx not_active Application Discontinuation
- 1976-02-02 DK DK42976*#A patent/DK42976A/da not_active Application Discontinuation
- 1976-02-02 DE DE2603844A patent/DE2603844C2/de not_active Expired
- 1976-02-02 JP JP51009410A patent/JPS51103707A/ja active Pending
- 1976-02-02 NO NO760339*[A patent/NO760339L/no unknown
- 1976-02-02 IT IT19816/76A patent/IT1055058B/it active
- 1976-02-02 BE BE163993A patent/BE838157A/xx not_active IP Right Cessation
- 1976-02-02 FR FR7602766*[A patent/FR2300473A1/fr active Granted
- 1976-02-02 CA CA244,738A patent/CA1054067A/en not_active Expired
- 1976-02-02 GB GB3955/76A patent/GB1512926A/en not_active Expired
- 1976-02-02 AT AT71976A patent/AT346396B/de not_active IP Right Cessation
- 1976-02-02 AR AR262108A patent/AR219054A1/es active
- 1976-02-02 SE SE7601090A patent/SE416605B/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| FR2300473A1 (fr) | 1976-09-03 |
| DK42976A (da) | 1976-08-06 |
| CA1054067A (en) | 1979-05-08 |
| SE416605B (sv) | 1981-01-19 |
| BE838157A (fr) | 1976-05-28 |
| US4071693A (en) | 1978-01-31 |
| AR219054A1 (es) | 1980-07-31 |
| FR2300473B1 (de) | 1981-12-31 |
| JPS51103707A (de) | 1976-09-13 |
| SE7601090L (sv) | 1976-08-06 |
| CH603014A5 (de) | 1978-08-15 |
| GB1512926A (en) | 1978-06-01 |
| FI753736A (de) | 1976-08-06 |
| DE2603844C2 (de) | 1984-10-11 |
| NL7601008A (nl) | 1976-08-09 |
| ATA71976A (de) | 1978-03-15 |
| IT1055058B (it) | 1981-12-21 |
| NO760339L (de) | 1976-08-06 |
| DE2603844A1 (de) | 1976-08-19 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ELJ | Ceased due to non-payment of the annual fee | ||
| REN | Ceased due to non-payment of the annual fee |