FR1589355A - - Google Patents

Info

Publication number
FR1589355A
FR1589355A FR1589355DA FR1589355A FR 1589355 A FR1589355 A FR 1589355A FR 1589355D A FR1589355D A FR 1589355DA FR 1589355 A FR1589355 A FR 1589355A
Authority
FR
France
Prior art keywords
register
section
registers
condition
reading device
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)
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 FR1589355A publication Critical patent/FR1589355A/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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L2209/00—Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
    • H04L2209/12—Details relating to cryptographic hardware or logic circuitry

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Storage Device Security (AREA)
FR1589355D 1962-05-18 1963-05-17 Expired FR1589355A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL278586 1962-05-18

Publications (1)

Publication Number Publication Date
FR1589355A true FR1589355A (fr) 1970-03-31

Family

ID=19753832

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1589355D Expired FR1589355A (fr) 1962-05-18 1963-05-17

Country Status (4)

Country Link
DK (1) DK234263A (fr)
FR (1) FR1589355A (fr)
GB (1) GB1120032A (fr)
NO (1) NO128687B (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1235571A (en) * 1969-03-05 1971-06-16 Transvertex Ab Improved ciphering machine
US4264781A (en) * 1979-04-16 1981-04-28 Ncr Corporation Apparatus for encoding and decoding data signals

Also Published As

Publication number Publication date
DK234263A (da) 1982-04-28
NO128687B (fr) 1973-12-27
GB1120032A (en) 1968-07-17

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Legal Events

Date Code Title Description
ST Notification of lapse