FR472453A - Dispositif pour code cryptographique - Google Patents

Dispositif pour code cryptographique

Info

Publication number
FR472453A
FR472453A FR472453DA FR472453A FR 472453 A FR472453 A FR 472453A FR 472453D A FR472453D A FR 472453DA FR 472453 A FR472453 A FR 472453A
Authority
FR
France
Prior art keywords
cryptographic code
cryptographic
code
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)
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.)
H & H Patent Developing Co
Original Assignee
H & H Patent Developing Co
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 H & H Patent Developing Co filed Critical H & H Patent Developing Co
Application granted granted Critical
Publication of FR472453A publication Critical patent/FR472453A/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
    • G09C1/04—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)
FR472453D 1914-03-20 1914-03-20 Dispositif pour code cryptographique Expired FR472453A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR472453T 1914-03-20

Publications (1)

Publication Number Publication Date
FR472453A true FR472453A (fr) 1914-12-08

Family

ID=1510627

Family Applications (1)

Application Number Title Priority Date Filing Date
FR472453D Expired FR472453A (fr) 1914-03-20 1914-03-20 Dispositif pour code cryptographique

Country Status (1)

Country Link
FR (1) FR472453A (fr)

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