FR1259989A - Dispositif de chiffrement - Google Patents

Dispositif de chiffrement

Info

Publication number
FR1259989A
FR1259989A FR752799A FR752799A FR1259989A FR 1259989 A FR1259989 A FR 1259989A FR 752799 A FR752799 A FR 752799A FR 752799 A FR752799 A FR 752799A FR 1259989 A FR1259989 A FR 1259989A
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
FR752799A
Other languages
English (en)
Inventor
Andre-Eugene Sillet
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
Priority to FR752799A priority Critical patent/FR1259989A/fr
Application granted granted Critical
Publication of FR1259989A publication Critical patent/FR1259989A/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)
FR752799A 1957-11-30 1957-11-30 Dispositif de chiffrement Expired FR1259989A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR752799A FR1259989A (fr) 1957-11-30 1957-11-30 Dispositif de chiffrement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR752799A FR1259989A (fr) 1957-11-30 1957-11-30 Dispositif de chiffrement

Publications (1)

Publication Number Publication Date
FR1259989A true FR1259989A (fr) 1961-05-05

Family

ID=8705190

Family Applications (1)

Application Number Title Priority Date Filing Date
FR752799A Expired FR1259989A (fr) 1957-11-30 1957-11-30 Dispositif de chiffrement

Country Status (1)

Country Link
FR (1) FR1259989A (fr)

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