FR76696E - Electronic arrangement for encryption and decryption of teleprinter signals - Google Patents

Electronic arrangement for encryption and decryption of teleprinter signals

Info

Publication number
FR76696E
FR76696E FR812287A FR812287A FR76696E FR 76696 E FR76696 E FR 76696E FR 812287 A FR812287 A FR 812287A FR 812287 A FR812287 A FR 812287A FR 76696 E FR76696 E FR 76696E
Authority
FR
France
Prior art keywords
decryption
encryption
electronic arrangement
teleprinter signals
teleprinter
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
FR812287A
Other languages
French (fr)
Inventor
Kaare R Meisingset
Phiyvin Hjartphiy
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.)
International Standard Electric Corp
Original Assignee
International Standard Electric Corp
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 International Standard Electric Corp filed Critical International Standard Electric Corp
Application granted granted Critical
Publication of FR76696E publication Critical patent/FR76696E/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F7/00—Methods or arrangements for processing data by operating upon the order or content of the data handled
    • G06F7/58—Random or pseudo-random number generators
    • G06F7/588—Random number generators, i.e. based on natural stochastic processes
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09C—CIPHERING OR DECIPHERING APPARATUS FOR CRYPTOGRAPHIC OR OTHER PURPOSES INVOLVING THE NEED FOR SECRECY
    • G09C3/00—Typewriters for ciphering or deciphering cryptographic text
    • G09C3/04—Typewriters for ciphering or deciphering cryptographic text wherein the operative connections between the keys and the type-bars are automatically and continuously permuted, during operation, by a coding or key member
    • G09C3/08—Typewriters for ciphering or deciphering cryptographic text wherein the operative connections between the keys and the type-bars are automatically and continuously permuted, during operation, 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
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • 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
    • 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
    • H04L2209/26—Testing cryptographic entity, e.g. testing integrity of encryption key or encryption algorithm

Landscapes

  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Optimization (AREA)
  • Signal Processing (AREA)
  • Computational Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Pure & Applied Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Selective Calling Equipment (AREA)
  • Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
  • Testing Electric Properties And Detecting Electric Faults (AREA)
FR812287A 1954-01-18 1959-12-07 Electronic arrangement for encryption and decryption of teleprinter signals Expired FR76696E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NO784751X 1954-01-18

Publications (1)

Publication Number Publication Date
FR76696E true FR76696E (en) 1961-11-17

Family

ID=42799816

Family Applications (5)

Application Number Title Priority Date Filing Date
FR68606D Expired FR68606E (en) 1954-01-18 1955-01-18 Electronic arrangement for encryption and decryption of teleprinter signals
FR1124016D Expired FR1124016A (en) 1954-01-18 1955-01-18 Electronic arrangement for encryption and decryption of teleprinter signals
FR69910D Expired FR69910E (en) 1954-01-18 1956-03-13 Electronic arrangement for encryption and decryption of teleprinter signals
FR70167D Expired FR70167E (en) 1954-01-18 1956-03-30 Electronic arrangement for encryption and decryption of teleprinter signals
FR812287A Expired FR76696E (en) 1954-01-18 1959-12-07 Electronic arrangement for encryption and decryption of teleprinter signals

Family Applications Before (4)

Application Number Title Priority Date Filing Date
FR68606D Expired FR68606E (en) 1954-01-18 1955-01-18 Electronic arrangement for encryption and decryption of teleprinter signals
FR1124016D Expired FR1124016A (en) 1954-01-18 1955-01-18 Electronic arrangement for encryption and decryption of teleprinter signals
FR69910D Expired FR69910E (en) 1954-01-18 1956-03-13 Electronic arrangement for encryption and decryption of teleprinter signals
FR70167D Expired FR70167E (en) 1954-01-18 1956-03-30 Electronic arrangement for encryption and decryption of teleprinter signals

Country Status (4)

Country Link
DE (2) DE1018452B (en)
FR (5) FR68606E (en)
GB (3) GB784751A (en)
NL (1) NL195359A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1156847B (en) * 1959-12-22 1963-11-07 Prec Mecanique Labinal Coding device with a code converter for coded radio signals
DE1574931B1 (en) * 1963-10-18 1971-03-04 Int Standard Electric Corp METHOD OF MONITORING A PUNCHED STRIP IN TRANSPORT

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1000832A (en) * 1949-11-23 1952-02-18 Electronique & Automatisme Sa Operator circuits for coded electrical signals
DE855876C (en) * 1951-01-03 1952-11-17 Rudolf Dr-Ing Hell Arrangement for secret telegraphic message transmission by means of Hellschreiber

Also Published As

Publication number Publication date
GB784751A (en) 1957-10-16
GB784530A (en) 1957-10-09
NL195359A (en)
GB784384A (en) 1957-10-09
FR1124016A (en) 1956-10-02
FR68606E (en) 1958-05-05
FR69910E (en) 1959-01-09
DE1017646B (en) 1957-10-17
FR70167E (en) 1959-02-19
DE1018452B (en) 1957-10-31

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