FR2136503A5 - - Google Patents
Info
- Publication number
- FR2136503A5 FR2136503A5 FR7213651A FR7213651A FR2136503A5 FR 2136503 A5 FR2136503 A5 FR 2136503A5 FR 7213651 A FR7213651 A FR 7213651A FR 7213651 A FR7213651 A FR 7213651A FR 2136503 A5 FR2136503 A5 FR 2136503A5
- Authority
- FR
- France
- Legal status (The legal status 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 status listed.)
- Expired
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
- H04L9/06—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols the encryption apparatus using shift registers or memories for block-wise or stream coding, e.g. DES systems or RC4; Hash functions; Pseudorandom sequence generators
- H04L9/065—Encryption by serially and continuously modifying data stream elements, e.g. stream cipher systems, RC4, SEAL or A5/3
- H04L9/0656—Pseudorandom key sequence combined element-for-element with data sequence, e.g. one-time-pad [OTP] or Vernam's cipher
Landscapes
- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Paper (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH563571A CH539989A (de) | 1971-04-19 | 1971-04-19 | Verfahren und Vorrichtung zur chiffrierten Nachrichtenübermittlung |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2136503A5 true FR2136503A5 (fr) | 1972-12-22 |
Family
ID=4296906
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7213651A Expired FR2136503A5 (fr) | 1971-04-19 | 1972-04-18 |
Country Status (9)
Country | Link |
---|---|
CA (1) | CA957947A (fr) |
CH (1) | CH539989A (fr) |
DE (1) | DE2218447C3 (fr) |
FR (1) | FR2136503A5 (fr) |
GB (1) | GB1388035A (fr) |
IT (1) | IT951865B (fr) |
NL (1) | NL7205255A (fr) |
NO (1) | NO135226C (fr) |
SE (1) | SE380414B (fr) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2300472A1 (fr) * | 1975-02-05 | 1976-09-03 | Europ Handelsges Anst | Procede et dispositif de syn |
FR2381423A1 (fr) * | 1977-02-16 | 1978-09-15 | Licentia Gmbh | Procede de reglage de generateurs de textes cles dans des appareils de chiffrement |
EP0101636A2 (fr) * | 1982-08-19 | 1984-02-29 | BBC Aktiengesellschaft Brown, Boveri & Cie. | Procédé de synchronisation du chiffrage et du déchiffrage lors de la transmission de données numériques chiffrées et dispositif pour réaliser ce procédé |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH578807A5 (fr) * | 1974-11-05 | 1976-08-13 | Patelhold Patentverwertung | |
DE2507805C1 (de) * | 1975-02-24 | 1993-07-15 | Siemens Ag | Verfahren zur Einphasung von Schluesselgeraeten |
DE2908979C3 (de) * | 1979-03-08 | 1982-03-18 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Verfahren zur verschlüsselten Übertragung von Faksimile-Daten |
US4288659A (en) * | 1979-05-21 | 1981-09-08 | Atalla Technovations | Method and means for securing the distribution of encoding keys |
ATE4762T1 (de) * | 1979-06-08 | 1983-10-15 | Gretag Aktiengesellschaft | Vorrichtung zur chiffrierten uebermittlung von nachrichten. |
DE3003998A1 (de) * | 1980-02-04 | 1981-09-24 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | System zur ver- und entschluesselung von daten |
SE447859B (sv) * | 1984-12-10 | 1986-12-15 | Datakonsult I Malmo Ab | Krypteringsanordning samt dekrypteringsanordning |
AU601370B2 (en) * | 1986-06-09 | 1990-09-13 | Datakonsult I Malmo Ab | Ciphering and deciphering device |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1216921C2 (de) * | 1963-12-24 | 1976-05-13 | Gretag Ag | Verfahren zur Synchronisierung der Ver- und Entschluesselung von impulsfoermigen, binaer codierten Nachrichten, bei welchem sendeseitig die Nachrichtenklarimpulse mit Schluessel-impulsen gemischt werden |
-
1971
- 1971-04-19 CH CH563571A patent/CH539989A/de not_active IP Right Cessation
-
1972
- 1972-04-17 DE DE19722218447 patent/DE2218447C3/de not_active Expired
- 1972-04-17 NO NO132372A patent/NO135226C/no unknown
- 1972-04-18 SE SE503172A patent/SE380414B/xx unknown
- 1972-04-18 CA CA139,894A patent/CA957947A/en not_active Expired
- 1972-04-18 IT IT2328772A patent/IT951865B/it active
- 1972-04-18 FR FR7213651A patent/FR2136503A5/fr not_active Expired
- 1972-04-19 GB GB1820972A patent/GB1388035A/en not_active Expired
- 1972-04-19 NL NL7205255A patent/NL7205255A/xx not_active Application Discontinuation
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2300472A1 (fr) * | 1975-02-05 | 1976-09-03 | Europ Handelsges Anst | Procede et dispositif de syn |
FR2381423A1 (fr) * | 1977-02-16 | 1978-09-15 | Licentia Gmbh | Procede de reglage de generateurs de textes cles dans des appareils de chiffrement |
EP0101636A2 (fr) * | 1982-08-19 | 1984-02-29 | BBC Aktiengesellschaft Brown, Boveri & Cie. | Procédé de synchronisation du chiffrage et du déchiffrage lors de la transmission de données numériques chiffrées et dispositif pour réaliser ce procédé |
EP0101636A3 (en) * | 1982-08-19 | 1984-12-05 | Bbc Aktiengesellschaft Brown, Boveri & Cie. | Method of synchronising encryption and decryption during the transmission of digital encrypted data, and apparatus for carrying out said method |
Also Published As
Publication number | Publication date |
---|---|
GB1388035A (en) | 1975-03-19 |
CH539989A (de) | 1973-07-31 |
NO135226C (fr) | 1977-03-02 |
NO135226B (fr) | 1976-11-22 |
DE2218447B2 (de) | 1980-09-11 |
NL7205255A (fr) | 1972-10-23 |
SE380414B (sv) | 1975-11-03 |
DE2218447C3 (de) | 1981-05-14 |
CA957947A (en) | 1974-11-19 |
IT951865B (it) | 1973-07-10 |
DE2218447A1 (de) | 1972-10-26 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |