GB1322492A - Ciphering machine - Google Patents

Ciphering machine

Info

Publication number
GB1322492A
GB1322492A GB1622460A GB1622460A GB1322492A GB 1322492 A GB1322492 A GB 1322492A GB 1622460 A GB1622460 A GB 1622460A GB 1622460 A GB1622460 A GB 1622460A GB 1322492 A GB1322492 A GB 1322492A
Authority
GB
United Kingdom
Prior art keywords
machine
ciphering
ciphering machine
defence
netherlands
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
GB1622460A
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.)
Nederlanden Staat
Original Assignee
Nederlanden Staat
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 Nederlanden Staat filed Critical Nederlanden Staat
Publication of GB1322492A publication Critical patent/GB1322492A/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)
  • Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)
  • Synchronous Machinery (AREA)
GB1622460A 1959-01-12 1960-01-12 Ciphering machine Expired GB1322492A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL235031 1959-01-12

Publications (1)

Publication Number Publication Date
GB1322492A true GB1322492A (en) 1973-07-04

Family

ID=19751508

Family Applications (2)

Application Number Title Priority Date Filing Date
GB1322491D Expired GB1322491A (en) 1959-01-12 1960-01-12 Ciphering machines
GB1622460A Expired GB1322492A (en) 1959-01-12 1960-01-12 Ciphering machine

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB1322491D Expired GB1322491A (en) 1959-01-12 1960-01-12 Ciphering machines

Country Status (3)

Country Link
FR (1) FR1605161A (enrdf_load_html_response)
GB (2) GB1322491A (enrdf_load_html_response)
IT (1) IT940227B (enrdf_load_html_response)

Also Published As

Publication number Publication date
IT940227B (it) 1973-02-10
GB1322491A (en) 1973-07-04
FR1605161A (enrdf_load_html_response) 1973-04-16

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Legal Events

Date Code Title Description
CSNS Application of which complete specification have been accepted and published, but patent is not sealed