FR2332575A1 - Appareil a chiffrer et dechiffrer sous forme de machine a ecrire - Google Patents
Appareil a chiffrer et dechiffrer sous forme de machine a ecrireInfo
- Publication number
- FR2332575A1 FR2332575A1 FR7634621A FR7634621A FR2332575A1 FR 2332575 A1 FR2332575 A1 FR 2332575A1 FR 7634621 A FR7634621 A FR 7634621A FR 7634621 A FR7634621 A FR 7634621A FR 2332575 A1 FR2332575 A1 FR 2332575A1
- Authority
- FR
- France
- Prior art keywords
- decifring
- encryption
- writing machine
- writing
- machine
- 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
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
- H04L9/0618—Block ciphers, i.e. encrypting groups of characters of a plain text message using fixed encryption transformation
- H04L9/0637—Modes of operation, e.g. cipher block chaining [CBC], electronic codebook [ECB] or Galois/counter mode [GCM]
-
- 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)
- Record Information Processing For Printing (AREA)
- Input From Keyboards Or The Like (AREA)
- Accessory Devices And Overall Control Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH1506375A CH594261A5 (US06633782-20031014-M00005.png) | 1975-11-20 | 1975-11-20 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2332575A1 true FR2332575A1 (fr) | 1977-06-17 |
| FR2332575B1 FR2332575B1 (US06633782-20031014-M00005.png) | 1983-05-20 |
Family
ID=4406036
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7634621A Granted FR2332575A1 (fr) | 1975-11-20 | 1976-11-17 | Appareil a chiffrer et dechiffrer sous forme de machine a ecrire |
Country Status (19)
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4442486A (en) * | 1981-11-25 | 1984-04-10 | U.S. Philips Corporation | Protected programmable apparatus |
| US4829568A (en) * | 1983-07-21 | 1989-05-09 | Pitney Bowes | System for the printing and reading of encrypted messages |
| JPH063597B2 (ja) * | 1985-08-20 | 1994-01-12 | 俊明 渡辺 | ワ−ドプロセツサ |
| US4965828A (en) * | 1989-04-05 | 1990-10-23 | Quadri Corporation | Non-volatile semiconductor memory with SCRAM hold cycle prior to SCRAM-to-E2 PROM backup transfer |
| US5815577A (en) * | 1994-03-18 | 1998-09-29 | Innovonics, Inc. | Methods and apparatus for securely encrypting data in conjunction with a personal computer |
| AU6835896A (en) | 1995-08-27 | 1997-03-27 | Aliroo Ltd. | Document processing |
| IL118642A (en) * | 1996-06-12 | 1999-12-31 | Aliroo Ltd | System for encoding written text |
| US6373947B1 (en) | 1996-08-26 | 2002-04-16 | Aliroo Ltd. | Document processing |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1010430A (en) * | 1960-11-07 | 1965-11-17 | Europ Handelsges Anst | Improvements in or relating to cyphering and decyphering apparatus |
| FR2214208A1 (US06633782-20031014-M00005.png) * | 1973-01-12 | 1974-08-09 | Teltest Rd Ets | |
| FR2301868A1 (fr) * | 1975-02-24 | 1976-09-17 | Gretag Ag | Dispositif d'entree et d'affichage de donnees |
| FR2394853A1 (fr) * | 1975-11-11 | 1979-01-12 | Europ Handelsges Anst | Appareil electronique a chifrer et dechiffrer, sous forme de calculateu |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH298532A (de) * | 1950-10-26 | 1954-05-15 | Hagelin Boris | Umstellanordnung für Chiffriermaschinen. |
| NL233484A (US06633782-20031014-M00005.png) * | 1958-01-07 | |||
| US3057955A (en) * | 1959-06-11 | 1962-10-09 | Ralph M Hirsch | Cryptographic ancillary equipment |
| DE1100679B (de) * | 1959-10-16 | 1961-03-02 | Siemens Ag | Verfahren und Schaltungsanordnung zur Sicherung von Fernschreibnachrichten, bei denen die einzelnen Zeichen in einem 5-Schritte-Code uebertragen werden |
| CH402937A (de) * | 1961-08-18 | 1965-11-30 | Gretag Ag | Verfahren zur Verschlüsselung von impulsförmig übertragenen Nachrichten |
| GB1051127A (US06633782-20031014-M00005.png) * | 1963-02-22 | |||
| NO122532B (US06633782-20031014-M00005.png) * | 1970-01-16 | 1971-07-12 | Standard Tel Kabelfab As | |
| JPS5617235B1 (US06633782-20031014-M00005.png) * | 1971-04-20 | 1981-04-21 | ||
| US3878332A (en) * | 1972-10-20 | 1975-04-15 | Barrie O Morgan | Digital crytographic system and method |
| DE2251831A1 (de) * | 1972-10-21 | 1974-04-25 | Licentia Gmbh | Elektrisches schreibwerk |
| US4016365A (en) * | 1974-07-05 | 1977-04-05 | Staar Development Company, S.A. | Readout for recording typewriter |
| US3976995A (en) * | 1975-05-22 | 1976-08-24 | Sanders Associates, Inc. | Precessing display pager |
-
1975
- 1975-11-20 CH CH1506375A patent/CH594261A5/xx not_active IP Right Cessation
-
1976
- 1976-10-28 DE DE19762649023 patent/DE2649023A1/de not_active Ceased
- 1976-11-09 ZA ZA766692A patent/ZA766692B/xx unknown
- 1976-11-10 GB GB46700/76A patent/GB1531149A/en not_active Expired
- 1976-11-15 AR AR265467A patent/AR215253A1/es active
- 1976-11-15 FI FI763271A patent/FI60322C/fi not_active IP Right Cessation
- 1976-11-16 SE SE7612806A patent/SE415129B/xx unknown
- 1976-11-16 NL NL7612702A patent/NL7612702A/xx not_active Application Discontinuation
- 1976-11-16 BR BR7607632A patent/BR7607632A/pt unknown
- 1976-11-17 NO NO763919A patent/NO763919L/no unknown
- 1976-11-17 IT IT29449/76A patent/IT1120752B/it active
- 1976-11-17 DK DK517876A patent/DK517876A/da not_active Application Discontinuation
- 1976-11-17 FR FR7634621A patent/FR2332575A1/fr active Granted
- 1976-11-17 AT AT855876A patent/AT358298B/de not_active IP Right Cessation
- 1976-11-18 ES ES453436A patent/ES453436A1/es not_active Expired
- 1976-11-19 JP JP13852976A patent/JPS5282031A/ja active Pending
- 1976-11-19 BE BE172548A patent/BE848568A/xx not_active IP Right Cessation
- 1976-11-19 CA CA266,116A patent/CA1076676A/en not_active Expired
- 1976-11-19 US US05/743,130 patent/US4350844A/en not_active Expired - Lifetime
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1010430A (en) * | 1960-11-07 | 1965-11-17 | Europ Handelsges Anst | Improvements in or relating to cyphering and decyphering apparatus |
| FR2214208A1 (US06633782-20031014-M00005.png) * | 1973-01-12 | 1974-08-09 | Teltest Rd Ets | |
| FR2301868A1 (fr) * | 1975-02-24 | 1976-09-17 | Gretag Ag | Dispositif d'entree et d'affichage de donnees |
| FR2394853A1 (fr) * | 1975-11-11 | 1979-01-12 | Europ Handelsges Anst | Appareil electronique a chifrer et dechiffrer, sous forme de calculateu |
Also Published As
| Publication number | Publication date |
|---|---|
| AT358298B (de) | 1980-08-25 |
| CH594261A5 (US06633782-20031014-M00005.png) | 1977-12-30 |
| ES453436A1 (es) | 1977-11-16 |
| BR7607632A (pt) | 1977-09-27 |
| BE848568A (fr) | 1977-03-16 |
| IT1120752B (it) | 1986-03-26 |
| NO763919L (US06633782-20031014-M00005.png) | 1977-05-23 |
| NL7612702A (nl) | 1977-05-24 |
| DE2649023A1 (de) | 1977-05-26 |
| SE7612806L (sv) | 1977-05-21 |
| AR215253A1 (es) | 1979-09-28 |
| US4350844A (en) | 1982-09-21 |
| ATA855876A (de) | 1980-01-15 |
| FI60322C (fi) | 1981-12-10 |
| JPS5282031A (en) | 1977-07-08 |
| CA1076676A (en) | 1980-04-29 |
| GB1531149A (en) | 1978-11-01 |
| ZA766692B (en) | 1977-10-26 |
| FR2332575B1 (US06633782-20031014-M00005.png) | 1983-05-20 |
| DK517876A (da) | 1977-05-21 |
| FI60322B (fi) | 1981-08-31 |
| SE415129B (sv) | 1980-09-08 |
| FI763271A (US06633782-20031014-M00005.png) | 1977-05-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |