FR791856A - Appareil cryptographique - Google Patents

Appareil cryptographique

Info

Publication number
FR791856A
FR791856A FR791856DA FR791856A FR 791856 A FR791856 A FR 791856A FR 791856D A FR791856D A FR 791856DA FR 791856 A FR791856 A FR 791856A
Authority
FR
France
Prior art keywords
cryptographic device
cryptographic
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
Boris Caesar Wilhelm Hagelin
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 FR791856A publication Critical patent/FR791856A/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
    • G09C1/08—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 mechanical

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
FR791856D 1935-02-21 1935-05-01 Appareil cryptographique Expired FR791856A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE791856X 1935-02-21

Publications (1)

Publication Number Publication Date
FR791856A true FR791856A (fr) 1935-12-18

Family

ID=20339687

Family Applications (1)

Application Number Title Priority Date Filing Date
FR791856D Expired FR791856A (fr) 1935-02-21 1935-05-01 Appareil cryptographique

Country Status (1)

Country Link
FR (1) FR791856A (fr)

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