FR1031718A - Dispositif de changement de position pour les machines à chiffrer - Google Patents

Dispositif de changement de position pour les machines à chiffrer

Info

Publication number
FR1031718A
FR1031718A FR1031718DA FR1031718A FR 1031718 A FR1031718 A FR 1031718A FR 1031718D A FR1031718D A FR 1031718DA FR 1031718 A FR1031718 A FR 1031718A
Authority
FR
France
Prior art keywords
position change
change device
cipher machines
cipher
machines
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 FR1031718A publication Critical patent/FR1031718A/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)
FR1031718D 1950-12-15 1950-12-15 Dispositif de changement de position pour les machines à chiffrer Expired FR1031718A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1031718T 1950-12-15

Publications (1)

Publication Number Publication Date
FR1031718A true FR1031718A (fr) 1953-06-25

Family

ID=9583313

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1031718D Expired FR1031718A (fr) 1950-12-15 1950-12-15 Dispositif de changement de position pour les machines à chiffrer

Country Status (1)

Country Link
FR (1) FR1031718A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE977934C (de) * 1960-01-13 1973-04-26 Niederlaendische Staat Permutationsanordnung fuer eine Chiffriermaschine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE977934C (de) * 1960-01-13 1973-04-26 Niederlaendische Staat Permutationsanordnung fuer eine Chiffriermaschine

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