GB750090A - Method and apparatus for the production of random signal sequences - Google Patents

Method and apparatus for the production of random signal sequences

Info

Publication number
GB750090A
GB750090A GB8944/53A GB894453A GB750090A GB 750090 A GB750090 A GB 750090A GB 8944/53 A GB8944/53 A GB 8944/53A GB 894453 A GB894453 A GB 894453A GB 750090 A GB750090 A GB 750090A
Authority
GB
United Kingdom
Prior art keywords
signal
capacitor
elements
pulses
arrangement
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
GB8944/53A
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.)
Alcatel Lucent Deutschland AG
C Lorenz AG
Original Assignee
Standard Elektrik Lorenz AG
C Lorenz AG
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 Standard Elektrik Lorenz AG, C Lorenz AG filed Critical Standard Elektrik Lorenz AG
Publication of GB750090A publication Critical patent/GB750090A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • 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
    • H04L9/06—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols the encryption apparatus using shift registers or memories for block-wise or stream coding, e.g. DES systems or RC4; Hash functions; Pseudorandom sequence generators
    • H04L9/065—Encryption by serially and continuously modifying data stream elements, e.g. stream cipher systems, RC4, SEAL or A5/3
    • H04L9/0656—Pseudorandom key sequence combined element-for-element with data sequence, e.g. one-time-pad [OTP] or Vernam's cipher
    • H04L9/0662—Pseudorandom key sequence combined element-for-element with data sequence, e.g. one-time-pad [OTP] or Vernam's cipher with particular pseudorandom sequence generator

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Computational Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Electrotherapy Devices (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Catching Or Destruction (AREA)
GB8944/53A 1952-04-02 1953-03-31 Method and apparatus for the production of random signal sequences Expired GB750090A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH303841X 1952-04-02

Publications (1)

Publication Number Publication Date
GB750090A true GB750090A (en) 1956-06-06

Family

ID=4491885

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8944/53A Expired GB750090A (en) 1952-04-02 1953-03-31 Method and apparatus for the production of random signal sequences

Country Status (6)

Country Link
US (1) US2738498A (enrdf_load_stackoverflow)
BE (1) BE518896A (enrdf_load_stackoverflow)
CH (1) CH303841A (enrdf_load_stackoverflow)
DE (1) DE958933C (enrdf_load_stackoverflow)
FR (1) FR1073852A (enrdf_load_stackoverflow)
GB (1) GB750090A (enrdf_load_stackoverflow)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1022637B (de) * 1954-12-01 1958-01-16 Olivetti & Co Spa Verfahren zur Erzeugung einer Zeichenfolge mit zufallsmaessiger Verteilung der Zeichen, fuer Verschluesselungs- oder statistische Zwecke
NL131354C (enrdf_load_stackoverflow) * 1958-11-21
NL243225A (enrdf_load_stackoverflow) * 1958-11-24
BE613307A (nl) * 1961-02-02 1962-02-15 Tno Nul-één generator
US3431430A (en) * 1964-11-18 1969-03-04 John Tambert Automatic electric control systems

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2406031A (en) * 1942-05-21 1946-08-20 Bell Telephone Labor Inc Telegraph ciphering key tape machine
US2415093A (en) * 1945-08-03 1947-02-04 Harry L Gerwin Signal generator
US2612743A (en) * 1948-01-22 1952-10-07 Deering Milliken Res Trust Method and means for control of independently variable characteristics
US2539014A (en) * 1949-02-16 1951-01-23 Walter J Frantz Random digit generator
GB665799A (en) * 1949-10-12 1952-01-30 British Telecomm Res Ltd Improvements in and relating to signal generators
US2637845A (en) * 1951-09-12 1953-05-05 Collins Radio Co Random signal generator

Also Published As

Publication number Publication date
BE518896A (enrdf_load_stackoverflow)
FR1073852A (fr) 1954-09-29
US2738498A (en) 1956-03-13
CH303841A (de) 1954-12-15
DE958933C (de) 1957-02-28

Similar Documents

Publication Publication Date Title
US2411648A (en) Method and apparatus for generating impulses
GB732310A (en) Electrical multivibrator circuits
US2811713A (en) Signal processing circuit
US2709042A (en) Registering device for electronic calculating machines
GB694757A (en) Secrecy communication system
GB750090A (en) Method and apparatus for the production of random signal sequences
US2428126A (en) Duplex control circuit
US2304813A (en) Frequency divider
US2502443A (en) Universal electronic code sender
US2289987A (en) Electronic keying device
GB801002A (en) Data storage device
DE2604188A1 (de) Elektronische, ferngesteuerte tueroeffner fuer tueren und tore aller art
GB954313A (en) Improvements in electrical generators of quasi-random symbols
US3206743A (en) Binary universal code keyer
GB750259A (en) Electronic pulse distributing circuits
US2592228A (en) Decoder for pulse code modulation receivers
US2585079A (en) Signal generator
US3075147A (en) Pulse code modulation transmission
US2869036A (en) Glow discharge devices
DE926138C (de) Fernmelde-, insbesondere Fernsprechsystem
US3775691A (en) Logic control circuit
GB597671A (en) Improvements in or relating to electric signal transmission systems
US2664504A (en) Cathode-ray decoder for pulse code modulation
US2865992A (en) Record controlled electronic transmitter
US2609508A (en) Wave generating circuits