FR2332575A1 - Appareil a chiffrer et dechiffrer sous forme de machine a ecrire - Google Patents

Appareil a chiffrer et dechiffrer sous forme de machine a ecrire

Info

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
Application number
FR7634621A
Other languages
English (en)
Other versions
FR2332575B1 (fr
Inventor
Oskar Edwin Sturzinger
Peter Frutiger
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Anstalt Europaeische Handelsgesellschaft
Original Assignee
Anstalt Europaeische Handelsgesellschaft
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.)
Filing date
Publication date
Application filed by Anstalt Europaeische Handelsgesellschaft filed Critical Anstalt Europaeische Handelsgesellschaft
Publication of FR2332575A1 publication Critical patent/FR2332575A1/fr
Application granted granted Critical
Publication of FR2332575B1 publication Critical patent/FR2332575B1/fr
Granted legal-status Critical Current

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)
FR7634621A 1975-11-20 1976-11-17 Appareil a chiffrer et dechiffrer sous forme de machine a ecrire Granted FR2332575A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1506375A CH594261A5 (fr) 1975-11-20 1975-11-20

Publications (2)

Publication Number Publication Date
FR2332575A1 true FR2332575A1 (fr) 1977-06-17
FR2332575B1 FR2332575B1 (fr) 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)

Country Link
US (1) US4350844A (fr)
JP (1) JPS5282031A (fr)
AR (1) AR215253A1 (fr)
AT (1) AT358298B (fr)
BE (1) BE848568A (fr)
BR (1) BR7607632A (fr)
CA (1) CA1076676A (fr)
CH (1) CH594261A5 (fr)
DE (1) DE2649023A1 (fr)
DK (1) DK517876A (fr)
ES (1) ES453436A1 (fr)
FI (1) FI60322C (fr)
FR (1) FR2332575A1 (fr)
GB (1) GB1531149A (fr)
IT (1) IT1120752B (fr)
NL (1) NL7612702A (fr)
NO (1) NO763919L (fr)
SE (1) SE415129B (fr)
ZA (1) ZA766692B (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
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
GB2342768B (en) * 1995-08-27 2000-07-05 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)

* Cited by examiner, † Cited by third party
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 (fr) * 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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH298532A (de) * 1950-10-26 1954-05-15 Hagelin Boris Umstellanordnung für Chiffriermaschinen.
NL233484A (fr) * 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 (fr) * 1963-02-22
NO122532B (fr) * 1970-01-16 1971-07-12 Standard Tel Kabelfab As
JPS5617235B1 (fr) * 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

Patent Citations (4)

* Cited by examiner, † Cited by third party
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 (fr) * 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
GB1531149A (en) 1978-11-01
AT358298B (de) 1980-08-25
NL7612702A (nl) 1977-05-24
ZA766692B (en) 1977-10-26
FI60322B (fi) 1981-08-31
BR7607632A (pt) 1977-09-27
US4350844A (en) 1982-09-21
SE415129B (sv) 1980-09-08
ATA855876A (de) 1980-01-15
DK517876A (da) 1977-05-21
DE2649023A1 (de) 1977-05-26
FR2332575B1 (fr) 1983-05-20
JPS5282031A (en) 1977-07-08
FI763271A (fr) 1977-05-21
SE7612806L (sv) 1977-05-21
CH594261A5 (fr) 1977-12-30
FI60322C (fi) 1981-12-10
ES453436A1 (es) 1977-11-16
IT1120752B (it) 1986-03-26
BE848568A (fr) 1977-03-16
CA1076676A (fr) 1980-04-29
AR215253A1 (es) 1979-09-28
NO763919L (fr) 1977-05-23

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Legal Events

Date Code Title Description
ST Notification of lapse