FR758820A - Cryptographic device - Google Patents

Cryptographic device

Info

Publication number
FR758820A
FR758820A FR758820DA FR758820A FR 758820 A FR758820 A FR 758820A FR 758820D A FR758820D A FR 758820DA FR 758820 A FR758820 A FR 758820A
Authority
FR
France
Prior art keywords
cryptographic device
cryptographic
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
Louis Battistelli
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 FR758820A publication Critical patent/FR758820A/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
    • G09C1/06—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)
FR758820D 1932-10-21 1932-10-21 Cryptographic device Expired FR758820A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR758820T 1932-10-21

Publications (1)

Publication Number Publication Date
FR758820A true FR758820A (en) 1934-01-24

Family

ID=9166893

Family Applications (1)

Application Number Title Priority Date Filing Date
FR758820D Expired FR758820A (en) 1932-10-21 1932-10-21 Cryptographic device

Country Status (1)

Country Link
FR (1) FR758820A (en)

Similar Documents

Publication Publication Date Title
FR802990A (en) Drawing device
CH164866A (en) Drawing device.
FR747069A (en) Evaporator device
FR761302A (en) Photophonographic apparatus
FR751732A (en) Filter device
FR760377A (en) Depilatory device
FR780763A (en) Cryptographic device
FR730433A (en) Cryptographic device
FR758820A (en) Cryptographic device
FR810044A (en) Bundling device
FR735152A (en) Ausculto-percussion device
FR732451A (en) Drawing device
FR732150A (en) Sharpening device
FR738246A (en) Injection device
FR750979A (en) Projection device
FR733165A (en) Emulsifying device
FR739822A (en) Weighing device
FR42334E (en) Evaporator device
FR753206A (en) Photophonographic apparatus
FR41596E (en) Spreadsheet-balance-accountant device
FR41510E (en) Fumivorous device
FR756681A (en) Prepaid telephone device
FR717683A (en) Pneumothorax device
FR732881A (en) Device to be encrypted
FR791856A (en) Cryptographic device