FR2394853A1 - Appareil electronique a chifrer et dechiffrer, sous forme de calculateu - Google Patents

Appareil electronique a chifrer et dechiffrer, sous forme de calculateu

Info

Publication number
FR2394853A1
FR2394853A1 FR7633943A FR7633943A FR2394853A1 FR 2394853 A1 FR2394853 A1 FR 2394853A1 FR 7633943 A FR7633943 A FR 7633943A FR 7633943 A FR7633943 A FR 7633943A FR 2394853 A1 FR2394853 A1 FR 2394853A1
Authority
FR
France
Prior art keywords
entered
output
character information
encryption
calculator
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
FR7633943A
Other languages
English (en)
French (fr)
Other versions
FR2394853B1 (
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 FR2394853A1 publication Critical patent/FR2394853A1/fr
Application granted granted Critical
Publication of FR2394853B1 publication Critical patent/FR2394853B1/fr
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09C—CIPHERING OR DECIPHERING APPARATUS FOR CRYPTOGRAPHIC OR OTHER PURPOSES INVOLVING THE NEED FOR SECRECY
    • G09C1/00—Apparatus or methods whereby a given sequence of signs, e.g. an intelligible text, is transformed into an unintelligible sequence of signs by transposing the signs or groups of signs or by replacing them by others according to a predetermined system
    • G09C1/06—Apparatus or methods whereby a given sequence of signs, e.g. an intelligible text, is transformed into an unintelligible sequence of signs by transposing the signs or groups of signs or by replacing them by others according to a predetermined system wherein elements corresponding to the signs making up the clear text are operatively connected with elements corresponding to the signs making up the ciphered text, the connections, during operation of the apparatus, being automatically and continuously permuted by a coding or key member
    • G09C1/10—Apparatus or methods whereby a given sequence of signs, e.g. an intelligible text, is transformed into an unintelligible sequence of signs by transposing the signs or groups of signs or by replacing them by others according to a predetermined system wherein elements corresponding to the signs making up the clear text are operatively connected with elements corresponding to the signs making up the ciphered text, the connections, during operation of the apparatus, being automatically and continuously permuted by a coding or key member the connections being electrical

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Input From Keyboards Or The Like (AREA)
  • Calculators And Similar Devices (AREA)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)
  • Telephone Function (AREA)
  • Time Recorders, Dirve Recorders, Access Control (AREA)
FR7633943A 1975-11-11 1976-11-10 Appareil electronique a chifrer et dechiffrer, sous forme de calculateu Granted FR2394853A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1458775A CH592937A5 ( ) 1975-11-11 1975-11-11

Publications (2)

Publication Number Publication Date
FR2394853A1 true FR2394853A1 (fr) 1979-01-12
FR2394853B1 FR2394853B1 ( ) 1982-12-03

Family

ID=4402103

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7633943A Granted FR2394853A1 (fr) 1975-11-11 1976-11-10 Appareil electronique a chifrer et dechiffrer, sous forme de calculateu

Country Status (18)

Country Link
US (1) US4095046A ( )
JP (1) JPS5260543A ( )
AR (1) AR213832A1 ( )
BE (1) BE848211A ( )
BR (1) BR7607456A ( )
CA (1) CA1081852A ( )
CH (1) CH592937A5 ( )
DE (1) DE2647107A1 ( )
DK (1) DK506876A ( )
ES (1) ES452720A1 ( )
FI (1) FI60458C ( )
FR (1) FR2394853A1 ( )
GB (1) GB1540470A ( )
IT (1) IT1074062B ( )
NL (1) NL7612365A ( )
NO (1) NO147656C ( )
SE (1) SE415128B ( )
ZA (1) ZA766431B ( )

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2332575A1 (fr) * 1975-11-20 1977-06-17 Europ Handelsges Anst Appareil a chiffrer et dechiffrer sous forme de machine a ecrire

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2706421C2 (de) * 1977-02-16 1979-03-15 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Verfahren zum Einstellen von Schlüsseltextgeneratoren in Chiffriergeräten
US4303915A (en) * 1977-08-19 1981-12-01 Angelo George D Silent communicator
US4229817A (en) * 1978-04-28 1980-10-21 Datotek, Inc. Portable electronic cryptographic device
US4249180A (en) * 1978-09-20 1981-02-03 Northern Telecom Limited Past dependent microcomputer cipher apparatus
US4360892A (en) * 1979-02-22 1982-11-23 Microwriter Limited Portable word-processor
US4442506A (en) * 1980-09-18 1984-04-10 Microwriter Limited Portable word-processor
US4774684A (en) * 1985-01-31 1988-09-27 Canon Kabushiki Kaisha Electronic apparatus with a display means
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
US5778071A (en) * 1994-07-12 1998-07-07 Information Resource Engineering, Inc. Pocket encrypting and authenticating communications device
WO2001086372A2 (en) * 2000-05-12 2001-11-15 Xtreamlok Pty. Ltd. Information security method and system

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3878332A (en) * 1972-10-20 1975-04-15 Barrie O Morgan Digital crytographic system and method
US3896290A (en) * 1973-01-12 1975-07-22 Establissement Teltest R D Electronic calculator
FR2301868A1 (fr) * 1975-02-24 1976-09-17 Gretag Ag Dispositif d'entree et d'affichage de donnees

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3878331A (en) * 1972-10-20 1975-04-15 Barrie O Morgan Digital cryptographic system and method

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3878332A (en) * 1972-10-20 1975-04-15 Barrie O Morgan Digital crytographic system and method
US3896290A (en) * 1973-01-12 1975-07-22 Establissement Teltest R D Electronic calculator
FR2301868A1 (fr) * 1975-02-24 1976-09-17 Gretag Ag Dispositif d'entree et d'affichage de donnees

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2332575A1 (fr) * 1975-11-20 1977-06-17 Europ Handelsges Anst Appareil a chiffrer et dechiffrer sous forme de machine a ecrire

Also Published As

Publication number Publication date
NL7612365A (nl) 1977-05-13
FI763216A ( ) 1977-05-12
AR213832A1 (es) 1979-03-30
ZA766431B (en) 1977-10-26
DK506876A (da) 1977-05-12
BR7607456A (pt) 1977-09-20
GB1540470A (en) 1979-02-14
NO147656B (no) 1983-02-07
IT1074062B (it) 1985-04-17
NO763825L ( ) 1977-05-12
US4095046A (en) 1978-06-13
FR2394853B1 ( ) 1982-12-03
BE848211A (fr) 1977-03-01
JPS5260543A (en) 1977-05-19
CA1081852A (en) 1980-07-15
CH592937A5 ( ) 1977-11-15
FI60458B (fi) 1981-09-30
DE2647107A1 (de) 1977-05-18
SE7612525L (sv) 1977-05-12
FI60458C (fi) 1982-01-11
ES452720A1 (es) 1977-10-01
SE415128B (sv) 1980-09-08
NO147656C (no) 1983-05-25

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Legal Events

Date Code Title Description
ST Notification of lapse