FR1516275A - Improvement to encryption devices - Google Patents

Improvement to encryption devices

Info

Publication number
FR1516275A
FR1516275A FR06008322A FR06008322A FR1516275A FR 1516275 A FR1516275 A FR 1516275A FR 06008322 A FR06008322 A FR 06008322A FR 06008322 A FR06008322 A FR 06008322A FR 1516275 A FR1516275 A FR 1516275A
Authority
FR
France
Prior art keywords
improvement
encryption devices
encryption
devices
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
FR06008322A
Other languages
French (fr)
Inventor
Andre Senizergues
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.)
Compagnie IBM France SAS
Original Assignee
Compagnie IBM France SAS
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 Compagnie IBM France SAS filed Critical Compagnie IBM France SAS
Priority to FR06008322A priority Critical patent/FR1516275A/en
Application granted granted Critical
Publication of FR1516275A publication Critical patent/FR1516275A/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
    • G09C1/10—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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
FR06008322A 1967-01-25 1967-01-25 Improvement to encryption devices Expired FR1516275A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR06008322A FR1516275A (en) 1967-01-25 1967-01-25 Improvement to encryption devices

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR06008322A FR1516275A (en) 1967-01-25 1967-01-25 Improvement to encryption devices

Publications (1)

Publication Number Publication Date
FR1516275A true FR1516275A (en) 1968-03-08

Family

ID=1587645

Family Applications (1)

Application Number Title Priority Date Filing Date
FR06008322A Expired FR1516275A (en) 1967-01-25 1967-01-25 Improvement to encryption devices

Country Status (1)

Country Link
FR (1) FR1516275A (en)

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