BE644170A - - Google Patents

Info

Publication number
BE644170A
BE644170A BE644170DA BE644170A BE 644170 A BE644170 A BE 644170A BE 644170D A BE644170D A BE 644170DA BE 644170 A BE644170 A BE 644170A
Authority
BE
Belgium
Application number
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
Publication of BE644170A publication Critical patent/BE644170A/xx

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
    • G09C1/14—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 involving removable or interchangeable coding numbers, e.g. master tapes, punched cards
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/38—Encryption being effected by mechanical apparatus, e.g. rotating cams, switches, keytape punchers

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Record Information Processing For Printing (AREA)
BE644170D 1963-02-22 1964-02-21 BE644170A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH227963A CH411027A (de) 1963-02-22 1963-02-22 Zusatzgerät zu einer Verschlüsselungsmaschine zum Erstellen und Auswerten von gelochten Informationsträgern

Publications (1)

Publication Number Publication Date
BE644170A true BE644170A (fr) 1964-06-15

Family

ID=4230043

Family Applications (1)

Application Number Title Priority Date Filing Date
BE644170D BE644170A (fr) 1963-02-22 1964-02-21

Country Status (7)

Country Link
US (1) US3485948A (fr)
BE (1) BE644170A (fr)
CH (1) CH411027A (fr)
DE (1) DE1206469B (fr)
GB (1) GB1051127A (fr)
NL (1) NL6401383A (fr)
SE (1) SE323099B (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH594261A5 (fr) * 1975-11-20 1977-12-30 Europ Handelsges Anst

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2458406A (en) * 1945-09-28 1949-01-04 Ibm Ciphering and checking device
GB878645A (en) * 1957-11-30 1961-10-04 Olivetti & Co Spa Enciphering and deciphering apparatus for secret telegraph systems
US3057955A (en) * 1959-06-11 1962-10-09 Ralph M Hirsch Cryptographic ancillary equipment
CH382216A (de) * 1960-11-07 1964-09-30 Europ Handelsges Anst Gerät zur Ver- und Entschlüsselung eines in Fernschreibersymbolen niedergelegten Textes

Also Published As

Publication number Publication date
US3485948A (en) 1969-12-23
CH411027A (de) 1966-04-15
DE1206469B (de) 1965-12-09
GB1051127A (fr)
SE323099B (fr) 1970-04-27
NL6401383A (fr) 1964-08-24

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