FR603938A - Perfectionnements aux chiffreurs électriques - Google Patents

Perfectionnements aux chiffreurs électriques

Info

Publication number
FR603938A
FR603938A FR603938DA FR603938A FR 603938 A FR603938 A FR 603938A FR 603938D A FR603938D A FR 603938DA FR 603938 A FR603938 A FR 603938A
Authority
FR
France
Prior art keywords
encryptions
electrical
electrical encryptions
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.)
CRYPTOGRAPH AB
Original Assignee
CRYPTOGRAPH AB
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 CRYPTOGRAPH AB filed Critical CRYPTOGRAPH AB
Application granted granted Critical
Publication of FR603938A publication Critical patent/FR603938A/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)
FR603938D 1925-08-06 1925-08-06 Perfectionnements aux chiffreurs électriques Expired FR603938A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR603938T 1925-08-06

Publications (1)

Publication Number Publication Date
FR603938A true FR603938A (fr) 1926-04-26

Family

ID=8973001

Family Applications (1)

Application Number Title Priority Date Filing Date
FR603938D Expired FR603938A (fr) 1925-08-06 1925-08-06 Perfectionnements aux chiffreurs électriques

Country Status (1)

Country Link
FR (1) FR603938A (fr)

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