FR454945A - Cryptography device - Google Patents

Cryptography device

Info

Publication number
FR454945A
FR454945A FR454945DA FR454945A FR 454945 A FR454945 A FR 454945A FR 454945D A FR454945D A FR 454945DA FR 454945 A FR454945 A FR 454945A
Authority
FR
France
Prior art keywords
cryptography device
cryptography
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
French (fr)
Inventor
Leon Marot
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.)
LEON MAROT
Original Assignee
LEON MAROT
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 LEON MAROT filed Critical LEON MAROT
Application granted granted Critical
Publication of FR454945A publication Critical patent/FR454945A/en
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
    • G09C1/04—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 with sign carriers or indicators moved relative to one another to positions determined by a permutation code, or key, so as to indicate the appropriate corresponding clear or ciphered text

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
FR454945D 1913-03-01 1913-03-01 Cryptography device Expired FR454945A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR454945T 1913-03-01

Publications (1)

Publication Number Publication Date
FR454945A true FR454945A (en) 1913-07-18

Family

ID=1494889

Family Applications (1)

Application Number Title Priority Date Filing Date
FR454945D Expired FR454945A (en) 1913-03-01 1913-03-01 Cryptography device

Country Status (1)

Country Link
FR (1) FR454945A (en)

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