FR1217625A - Dispositif de chiffrage - Google Patents

Dispositif de chiffrage

Info

Publication number
FR1217625A
FR1217625A FR733459A FR733459A FR1217625A FR 1217625 A FR1217625 A FR 1217625A FR 733459 A FR733459 A FR 733459A FR 733459 A FR733459 A FR 733459A FR 1217625 A FR1217625 A FR 1217625A
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
FR733459A
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.)
Tenovis GmbH and Co KG
Original Assignee
Telefonbau und Normalzeit GmbH
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 Telefonbau und Normalzeit GmbH filed Critical Telefonbau und Normalzeit GmbH
Priority to FR733459A priority Critical patent/FR1217625A/fr
Application granted granted Critical
Publication of FR1217625A publication Critical patent/FR1217625A/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)
FR733459A 1957-03-07 1957-03-07 Dispositif de chiffrage Expired FR1217625A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR733459A FR1217625A (fr) 1957-03-07 1957-03-07 Dispositif de chiffrage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR733459A FR1217625A (fr) 1957-03-07 1957-03-07 Dispositif de chiffrage

Publications (1)

Publication Number Publication Date
FR1217625A true FR1217625A (fr) 1960-05-04

Family

ID=8704199

Family Applications (1)

Application Number Title Priority Date Filing Date
FR733459A Expired FR1217625A (fr) 1957-03-07 1957-03-07 Dispositif de chiffrage

Country Status (1)

Country Link
FR (1) FR1217625A (fr)

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