FR2368840A1 - Montage pour la production d'une sequence d'impulsions - Google Patents

Montage pour la production d'une sequence d'impulsions

Info

Publication number
FR2368840A1
FR2368840A1 FR7240315A FR7240315A FR2368840A1 FR 2368840 A1 FR2368840 A1 FR 2368840A1 FR 7240315 A FR7240315 A FR 7240315A FR 7240315 A FR7240315 A FR 7240315A FR 2368840 A1 FR2368840 A1 FR 2368840A1
Authority
FR
France
Prior art keywords
pulses
assembly
sequence
production
pulse sequence
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.)
Granted
Application number
FR7240315A
Other languages
English (en)
French (fr)
Other versions
FR2368840B1 (OSRAM
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.)
Siemens Corp
Original Assignee
Siemens 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 Siemens Corp filed Critical Siemens Corp
Publication of FR2368840A1 publication Critical patent/FR2368840A1/fr
Application granted granted Critical
Publication of FR2368840B1 publication Critical patent/FR2368840B1/fr
Granted legal-status Critical Current

Links

Classifications

    • 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)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Manipulation Of Pulses (AREA)
  • Burglar Alarm Systems (AREA)
  • Storage Device Security (AREA)
  • Analogue/Digital Conversion (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Geophysics And Detection Of Objects (AREA)
FR7240315A 1971-11-15 1972-11-14 Montage pour la production d'une sequence d'impulsions Granted FR2368840A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2156635A DE2156635C1 (de) 1971-11-15 1971-11-15 Elektrische Schaltung

Publications (2)

Publication Number Publication Date
FR2368840A1 true FR2368840A1 (fr) 1978-05-19
FR2368840B1 FR2368840B1 (OSRAM) 1979-10-12

Family

ID=5825158

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7240315A Granted FR2368840A1 (fr) 1971-11-15 1972-11-14 Montage pour la production d'une sequence d'impulsions

Country Status (11)

Country Link
US (1) US4163870A (OSRAM)
BE (1) BE784915A (OSRAM)
CA (1) CA1049149A (OSRAM)
DE (1) DE2156635C1 (OSRAM)
DK (1) DK378572A (OSRAM)
FR (1) FR2368840A1 (OSRAM)
GB (1) GB1500900A (OSRAM)
IT (1) IT1019536B (OSRAM)
LU (1) LU65978A1 (OSRAM)
NL (1) NL155697B (OSRAM)
NO (1) NO139987C (OSRAM)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4386234A (en) * 1977-12-05 1983-05-31 International Business Machines Corp. Cryptographic communication and file security using terminals

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1047837B (de) * 1955-01-26 1958-12-31 Hell Rudolf Dr Ing Fa Verfahren zur Herstellung von verlaengerten Schluesselstreifen sehr grosser Periode
GB911671A (en) * 1955-01-26 1962-11-28 Hell Rudolf Method of and apparatus for the production of elongated pulse combination sequences of very long period for enciphering machines
DE1549067A1 (de) * 1967-12-18 1971-01-28 Siemens Ag Verfahren zum Erzeugen von binaeren Zahlenreihen

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3162725A (en) * 1962-01-23 1964-12-22 William M Oleson Character generator
US3307174A (en) * 1963-01-21 1967-02-28 Burroughs Corp Pulse generating circuits
NL129405C (OSRAM) * 1963-03-26
US3361875A (en) * 1964-07-10 1968-01-02 Computing Devices Canada Apparatus for generating a telegraph signal

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1047837B (de) * 1955-01-26 1958-12-31 Hell Rudolf Dr Ing Fa Verfahren zur Herstellung von verlaengerten Schluesselstreifen sehr grosser Periode
GB911671A (en) * 1955-01-26 1962-11-28 Hell Rudolf Method of and apparatus for the production of elongated pulse combination sequences of very long period for enciphering machines
DE1549067A1 (de) * 1967-12-18 1971-01-28 Siemens Ag Verfahren zum Erzeugen von binaeren Zahlenreihen

Also Published As

Publication number Publication date
NO139987C (no) 1979-06-13
IT1019536B (it) 1977-11-30
BE784915A (OSRAM) 1978-02-24
FR2368840B1 (OSRAM) 1979-10-12
US4163870A (en) 1979-08-07
NO139987B (no) 1979-03-05
LU65978A1 (de) 1984-03-01
NO297572L (no) 1977-10-19
DE2156635C1 (de) 1978-04-27
GB1500900A (en) 1978-02-15
NL155697B (nl) 1978-01-16
DK378572A (da) 1982-05-17
CA1049149A (en) 1979-02-20

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Legal Events

Date Code Title Description
ST Notification of lapse