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FR45098E - Machine à cryptographier - Google Patents

Machine à cryptographier

Info

Publication number
FR45098E
FR45098E FR45098DA FR45098E FR 45098 E FR45098 E FR 45098E FR 45098D A FR45098D A FR 45098DA FR 45098 E FR45098 E FR 45098E
Authority
FR
France
Prior art keywords
cryptographic machine
cryptographic
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.)
Expired
Application number
Other languages
English (en)
Inventor
Jean Francois Joseph Dupouy
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 filed Critical
Application granted granted Critical
Publication of FR45098E publication Critical patent/FR45098E/fr
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09CCIPHERING OR DECIPHERING APPARATUS FOR CRYPTOGRAPHIC OR OTHER PURPOSES INVOLVING THE NEED FOR SECRECY
    • G09C1/00Apparatus 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
    • G09C1/06Apparatus 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
    • G09C1/08Apparatus 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 mechanical

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
FR45098D 1934-03-06 1934-03-06 Machine à cryptographier Expired FR45098E (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR45098T 1934-03-06

Publications (1)

Publication Number Publication Date
FR45098E true FR45098E (fr) 1935-05-29

Family

ID=8680871

Family Applications (1)

Application Number Title Priority Date Filing Date
FR45098D Expired FR45098E (fr) 1934-03-06 1934-03-06 Machine à cryptographier

Country Status (1)

Country Link
FR (1) FR45098E (fr)

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