FR2384394A1 - Installation pour chiffrer a l'emission et dechiffrer a la reception - Google Patents
Installation pour chiffrer a l'emission et dechiffrer a la receptionInfo
- Publication number
- FR2384394A1 FR2384394A1 FR7807476A FR7807476A FR2384394A1 FR 2384394 A1 FR2384394 A1 FR 2384394A1 FR 7807476 A FR7807476 A FR 7807476A FR 7807476 A FR7807476 A FR 7807476A FR 2384394 A1 FR2384394 A1 FR 2384394A1
- Authority
- FR
- France
- Prior art keywords
- encrypting
- transmission
- information
- installation
- reception
- Prior art date
- 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.)
- Granted
Links
- 230000005540 biological transmission Effects 0.000 title abstract 3
- 238000009434 installation Methods 0.000 title abstract 2
- 108010076504 Protein Sorting Signals Proteins 0.000 abstract 1
- 238000000926 separation method Methods 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
- H04L9/06—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
-
- 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
- H04L2209/00—Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
- H04L2209/12—Details relating to cryptographic hardware or logic circuitry
Landscapes
- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Communication Control (AREA)
- Storage Device Security (AREA)
- Selective Calling Equipment (AREA)
- Mobile Radio Communication Systems (AREA)
- Small-Scale Networks (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH330777A CH604432A5 (US07321065-20080122-C00020.png) | 1977-03-16 | 1977-03-16 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2384394A1 true FR2384394A1 (fr) | 1978-10-13 |
| FR2384394B1 FR2384394B1 (US07321065-20080122-C00020.png) | 1983-07-22 |
Family
ID=4253150
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7807476A Granted FR2384394A1 (fr) | 1977-03-16 | 1978-03-15 | Installation pour chiffrer a l'emission et dechiffrer a la reception |
Country Status (12)
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0024308A1 (de) * | 1979-08-17 | 1981-03-04 | Crypto Aktiengesellschaft | Verfahren und Vorrichtung zur Ver- und Entschlüsselung von Informationen |
| DE2943726C2 (de) * | 1979-10-30 | 1984-06-07 | ANT Nachrichtentechnik GmbH, 7150 Backnang | Verfahren und Einrichtung zur Ver- und Entschlüsselung von Daten |
| IL63102A (en) * | 1980-06-19 | 1984-03-30 | Oak Industries Inc | System for enciphering messages |
| US4440976A (en) * | 1981-06-17 | 1984-04-03 | Motorola, Inc. | Automatic selection of decryption key for multiple-key encryption systems |
| DE3207040A1 (de) * | 1982-02-26 | 1983-09-08 | Siemens AG, 1000 Berlin und 8000 München | Vefahren und anordnung zum uebertragen von zeichen |
| US4811394A (en) * | 1982-07-28 | 1989-03-07 | Communications Satellite Corporation | Variable starting state scrambling circuit |
| US4710921A (en) * | 1985-07-05 | 1987-12-01 | Sony Corporation | Digital signal transmitting system |
| US4809327A (en) * | 1986-09-02 | 1989-02-28 | Unisys Corporation | Encrtption of messages employing unique control words and randomly chosen encryption keys |
| US4782529A (en) * | 1986-09-02 | 1988-11-01 | Unisys Corporation | Decryption of messages employing unique control words and randomly chosen decryption keys |
| DK279089D0 (da) * | 1989-06-07 | 1989-06-07 | Kommunedata I S | Fremgangsmaade til overfoersel af data, et elektronisk dokument eller lignende, system til udoevelse af fremgangsmaaden samt et kort til brug ved udoevelse af fremgangsmaaden |
| USRE36310E (en) * | 1990-06-07 | 1999-09-21 | Kommunedata I/S | Method of transferring data, between computer systems using electronic cards |
| US5442703A (en) * | 1993-05-30 | 1995-08-15 | Motorola, Inc. | Method for identifying corrupt encryption keys within a secure communication system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1388156A (fr) * | 1963-01-22 | 1965-02-05 | Int Standard Electric Corp | Perfectionnements aux systèmes de transmission télégraphique chiffrée |
| US3683513A (en) * | 1970-11-19 | 1972-08-15 | Europaische Handelsgellschaft | Apparatus for automatically enciphering and/or deciphering a test consisting of multidigit dual coded characters |
| FR2300472A1 (fr) * | 1975-02-05 | 1976-09-03 | Europ Handelsges Anst | Procede et dispositif de syn |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL233484A (US07321065-20080122-C00020.png) * | 1958-01-07 | |||
| CH429253A (de) * | 1964-01-21 | 1967-01-31 | Europ Handelsges Anst | Mischgerät zum Verschlüsseln und Entschlüsseln von Informationen |
| CH443744A (de) * | 1966-09-23 | 1967-09-15 | Nyberg N Sture | Vorrichtung zum Verschlüsseln und zum Entschlüsseln eines Klar- bzw. Geheimtextes |
| CH464287A (de) * | 1967-08-02 | 1968-10-31 | Europ Handelsges Anst | Verfahren zur Verschlüsselung in einen und/oder Entschlüsselung aus einem Geheimtext. |
| CH506217A (de) * | 1970-03-16 | 1971-04-15 | Europ Handelsges Anst | Schaltung für Verschlüsselungsgeräte |
| CH515576A (de) * | 1970-08-20 | 1971-11-15 | Hagelin Boris Caesar Wilhelm | Gerät zur Ver- und Entschlüsselung von mehrstellig codierten Signalen |
-
1977
- 1977-03-16 CH CH330777A patent/CH604432A5/xx not_active IP Right Cessation
-
1978
- 1978-02-22 DK DK79678A patent/DK79678A/da not_active Application Discontinuation
- 1978-02-22 NO NO780618A patent/NO145593C/no unknown
- 1978-02-23 AT AT0132778A patent/AT370269B/de not_active IP Right Cessation
- 1978-02-27 NL NL7802144A patent/NL7802144A/xx not_active Application Discontinuation
- 1978-02-27 SE SE7802210A patent/SE418443B/sv not_active IP Right Cessation
- 1978-03-01 DE DE2808753A patent/DE2808753C2/de not_active Expired
- 1978-03-13 GB GB9789/78A patent/GB1576197A/en not_active Expired
- 1978-03-14 US US05/886,532 patent/US4176246A/en not_active Expired - Lifetime
- 1978-03-15 IT IT21251/78A patent/IT1093384B/it active
- 1978-03-15 FR FR7807476A patent/FR2384394A1/fr active Granted
- 1978-03-15 CA CA298,957A patent/CA1106930A/en not_active Expired
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1388156A (fr) * | 1963-01-22 | 1965-02-05 | Int Standard Electric Corp | Perfectionnements aux systèmes de transmission télégraphique chiffrée |
| US3683513A (en) * | 1970-11-19 | 1972-08-15 | Europaische Handelsgellschaft | Apparatus for automatically enciphering and/or deciphering a test consisting of multidigit dual coded characters |
| FR2300472A1 (fr) * | 1975-02-05 | 1976-09-03 | Europ Handelsges Anst | Procede et dispositif de syn |
Also Published As
| Publication number | Publication date |
|---|---|
| GB1576197A (en) | 1980-10-01 |
| NO145593C (no) | 1982-04-28 |
| NO780618L (no) | 1978-09-19 |
| US4176246A (en) | 1979-11-27 |
| SE7802210L (sv) | 1978-09-17 |
| ATA132778A (de) | 1982-07-15 |
| DK79678A (da) | 1978-09-17 |
| IT7821251A0 (it) | 1978-03-15 |
| CH604432A5 (US07321065-20080122-C00020.png) | 1978-09-15 |
| NL7802144A (nl) | 1978-09-19 |
| SE418443B (sv) | 1981-05-25 |
| DE2808753C2 (de) | 1986-11-13 |
| DE2808753A1 (de) | 1978-09-28 |
| FR2384394B1 (US07321065-20080122-C00020.png) | 1983-07-22 |
| IT1093384B (it) | 1985-07-19 |
| AT370269B (de) | 1983-03-10 |
| NO145593B (no) | 1982-01-11 |
| CA1106930A (en) | 1981-08-11 |
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