FR559995A - Appareil de chiffrage - Google Patents

Appareil de chiffrage

Info

Publication number
FR559995A
FR559995A FR559995DA FR559995A FR 559995 A FR559995 A FR 559995A FR 559995D A FR559995D A FR 559995DA FR 559995 A FR559995 A FR 559995A
Authority
FR
France
Prior art keywords
encryption device
encryption
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.)
Expired
Application number
Other languages
English (en)
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.)
NAAMLOOZE VENNOOTSCHAP INGENIE
Original Assignee
NAAMLOOZE VENNOOTSCHAP INGENIE
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 NAAMLOOZE VENNOOTSCHAP INGENIE filed Critical NAAMLOOZE VENNOOTSCHAP INGENIE
Application granted granted Critical
Publication of FR559995A publication Critical patent/FR559995A/fr
Expired 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
    • G09C1/12—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 comprising contact-bearing permutation discs

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Handling Of Sheets (AREA)
  • Input From Keyboards Or The Like (AREA)
FR559995D 1922-12-07 1922-12-18 Appareil de chiffrage Expired FR559995A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US605473A US1584660A (en) 1922-12-07 1922-12-07 Ciphering device

Publications (1)

Publication Number Publication Date
FR559995A true FR559995A (fr) 1923-09-25

Family

ID=9708146

Family Applications (1)

Application Number Title Priority Date Filing Date
FR559995D Expired FR559995A (fr) 1922-12-07 1922-12-18 Appareil de chiffrage

Country Status (3)

Country Link
US (1) US1584660A (fr)
FR (1) FR559995A (fr)
GB (1) GB213968A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE975036C (de) * 1952-08-17 1961-07-13 Normalzeit G M B H Chiffriergeraet

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2435502A (en) * 1942-04-29 1948-02-03 Link Aviation Inc Radio signaling means for aviation trainers
US2518458A (en) * 1944-08-25 1950-08-15 William F Friedman Authenticating device
US4182929A (en) * 1957-05-02 1980-01-08 Prehn Lawrence D Circuit for simulating the scrambling of an electromechanical rotor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE975036C (de) * 1952-08-17 1961-07-13 Normalzeit G M B H Chiffriergeraet

Also Published As

Publication number Publication date
US1584660A (en) 1926-05-11
GB213968A (en) 1924-04-08

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