CH408109A - Einrichtung zur Erzeugung von Schlüsselimpulsfolgen - Google Patents

Einrichtung zur Erzeugung von Schlüsselimpulsfolgen

Info

Publication number
CH408109A
CH408109A CH24662A CH24662A CH408109A CH 408109 A CH408109 A CH 408109A CH 24662 A CH24662 A CH 24662A CH 24662 A CH24662 A CH 24662A CH 408109 A CH408109 A CH 408109A
Authority
CH
Switzerland
Prior art keywords
pulse sequences
generating key
key pulse
generating
sequences
Prior art date
Application number
CH24662A
Other languages
German (de)
English (en)
Inventor
Ehrat Kurt
Original Assignee
Gretag 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
Priority to NL287518D priority Critical patent/NL287518A/xx
Priority to BE626963D priority patent/BE626963A/xx
Application filed by Gretag Ag filed Critical Gretag Ag
Priority to CH24662A priority patent/CH408109A/de
Priority to DEG36650A priority patent/DE1257843B/de
Priority to GB49150/62A priority patent/GB973537A/en
Priority to FR920652A priority patent/FR1347338A/fr
Priority to US250119A priority patent/US3678198A/en
Priority to NL63287518A priority patent/NL142301B/xx
Publication of CH408109A publication Critical patent/CH408109A/de

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
    • G06F7/582—Pseudo-random number generators
    • G06F7/584—Pseudo-random number generators using finite field arithmetic, e.g. using a linear feedback shift register
    • 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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2207/00—Indexing scheme relating to methods or arrangements for processing data by operating upon the order or content of the data handled
    • G06F2207/58—Indexing scheme relating to groups G06F7/58 - G06F7/588
    • G06F2207/581—Generating an LFSR sequence, e.g. an m-sequence; sequence may be generated without LFSR, e.g. using Galois Field arithmetic
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2207/00—Indexing scheme relating to methods or arrangements for processing data by operating upon the order or content of the data handled
    • G06F2207/58—Indexing scheme relating to groups G06F7/58 - G06F7/588
    • G06F2207/583—Serial finite field implementation, i.e. serial implementation of finite field arithmetic, generating one new bit or trit per step, e.g. using an LFSR or several independent LFSRs; also includes PRNGs with parallel operation between LFSR and outputs

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)
  • Manipulation Of Pulses (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
CH24662A 1962-01-10 1962-01-10 Einrichtung zur Erzeugung von Schlüsselimpulsfolgen CH408109A (de)

Priority Applications (8)

Application Number Priority Date Filing Date Title
NL287518D NL287518A (ja) 1962-01-10
BE626963D BE626963A (ja) 1962-01-10
CH24662A CH408109A (de) 1962-01-10 1962-01-10 Einrichtung zur Erzeugung von Schlüsselimpulsfolgen
DEG36650A DE1257843B (de) 1962-01-10 1962-12-17 Einrichtung zur Erzeugung von Schluesselimpulsfolgen
GB49150/62A GB973537A (en) 1962-01-10 1962-12-31 Circuit for generating cipher pulse series
FR920652A FR1347338A (fr) 1962-01-10 1963-01-07 Montage générateur de trains d'impulsions-clés
US250119A US3678198A (en) 1962-01-10 1963-01-08 Circuit for generating a series of cipher pulses
NL63287518A NL142301B (nl) 1962-01-10 1963-01-08 Schakeling voor het opwekken van codeerimpulsreeksen.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH24662A CH408109A (de) 1962-01-10 1962-01-10 Einrichtung zur Erzeugung von Schlüsselimpulsfolgen

Publications (1)

Publication Number Publication Date
CH408109A true CH408109A (de) 1966-02-28

Family

ID=4182624

Family Applications (1)

Application Number Title Priority Date Filing Date
CH24662A CH408109A (de) 1962-01-10 1962-01-10 Einrichtung zur Erzeugung von Schlüsselimpulsfolgen

Country Status (6)

Country Link
US (1) US3678198A (ja)
BE (1) BE626963A (ja)
CH (1) CH408109A (ja)
DE (1) DE1257843B (ja)
GB (1) GB973537A (ja)
NL (2) NL142301B (ja)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4434322A (en) 1965-08-19 1984-02-28 Racal Data Communications Inc. Coded data transmission system
US3921151A (en) * 1971-06-21 1975-11-18 Patelhold Patentwerwertungs & Apparatus for enciphering transmitted data by interchanging signal elements of the transmitted data without overlapping or omitting any elements within the transmitted signal train
US3764742A (en) * 1971-12-23 1973-10-09 Ibm Cryptographic identification system
US3878332A (en) * 1972-10-20 1975-04-15 Barrie O Morgan Digital crytographic system and method
US4305060A (en) * 1979-02-26 1981-12-08 Multi-Elmac Company Decoder circuitry for selectively activating loads
US4447672A (en) * 1980-10-06 1984-05-08 Nippon Electric Co., Ltd. Device for encrypting each input data bit by at least one keying bit decided by a code pattern and a bit pattern of a predetermined number of preceding encrypted bits
JPH05291891A (ja) * 1992-02-14 1993-11-05 Ricoh Co Ltd 一次乱数パルス列発生回路装置
GB0028369D0 (en) * 2000-11-21 2001-01-03 Marconi Software Solutions Ltd A communication system
US10438022B2 (en) * 2016-12-16 2019-10-08 Arm Limited Logic encryption using on-chip memory cells

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1074630B (de) * 1955-01-26 1960-02-04 Fa Dr Ing Rudolf Hell, Kiel-Dietnchsdorf Verfahren und Vorrichtung zur Herstellung von verlängerten Schlusselstreifen sehr langer Periode fur Mischgerate zum Ver und Entschlüsseln
US2995624A (en) * 1959-03-11 1961-08-08 Zenith Radio Corp Secrecy communication system

Also Published As

Publication number Publication date
US3678198A (en) 1972-07-18
GB973537A (en) 1964-10-28
NL142301B (nl) 1974-05-15
DE1257843B (de) 1968-01-04
NL287518A (ja)
BE626963A (ja)

Similar Documents

Publication Publication Date Title
CH435363A (de) Einrichtung zur Synchronisierung von Impulsgeneratoren
AT241529B (de) Digitales Rechengerät zur Erzeugung einer Schlüsselimpulsfolge für die Verschlüsselung von Nachrichtensignalen
CH379566A (de) Einrichtung zur Erzeugung wiederkehrender Impulsgruppen
CH408109A (de) Einrichtung zur Erzeugung von Schlüsselimpulsfolgen
CH530742A (de) Vorrichtung zur Erzeugung von Schlüsselimpulsfolgen
CH496259A (de) Vorrichtung zur Erzeugung von Bildern
DK107947C (da) Bølgeformgenerator.
AT322018B (de) Einrichtung zur erzeugung von video-umschaltimpulsen
AT241223B (de) Vorrichtung zur Erzeugung von mechanischen Schwingungen
CH407330A (de) Halbleiteranordnung zur Erzeugung von Impulsen
CH434426A (de) Synchronisierter elektronischer Impulsgeber
CH389111A (de) Vorrichtung zur Erzeugung von Neutronenimpulsen
CH449135A (de) Vorrichtung zur Erzeugung stimulierter Infrarotemission
CH423901A (de) Einrichtung zur Erzeugung frequenzstabilisierter Schwingungen
AT242973B (de) Einrichtung zur Erzeugung künstlichen Nachhalls
CH426461A (de) Gerät zur Erzeugung von Laufschrift
AT241224B (de) Impulsgeber
CH397204A (de) Vorrichtung zur Abstandsbefestigung von Bauteilen
AT238822B (de) Schaltung zur Erzeugung von Stromimpulsen
CH429958A (de) Verfahren zur Erzeugung von Impulsfolgen
CH429244A (de) Schaltung zur Erzeugung von Impulsen
CH416416A (de) Vorrichtung zur Erzeugung von Geräuschen
AT271952B (de) Schaltungsanordnung zur Erzeugung von Impulsen mit vorgegebenen zeitlichen Abständen
AT243386B (de) Einrichtung zur Erzeugung von hohen pulsierenden Strömen
CH396089A (de) Einrichtung zur Erzeugung von Wechselspannungsimpulsen