FR1347338A - Montage générateur de trains d'impulsions-clés - Google Patents

Montage générateur de trains d'impulsions-clés

Info

Publication number
FR1347338A
FR1347338A FR920652A FR920652A FR1347338A FR 1347338 A FR1347338 A FR 1347338A FR 920652 A FR920652 A FR 920652A FR 920652 A FR920652 A FR 920652A FR 1347338 A FR1347338 A FR 1347338A
Authority
FR
France
Prior art keywords
pulse train
generator assembly
train generator
key pulse
key
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
FR920652A
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.)
Gretag AG
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 claimed from CH24662A external-priority patent/CH408109A/de
Application filed by Gretag AG filed Critical Gretag AG
Priority to FR920652A priority Critical patent/FR1347338A/fr
Application granted granted Critical
Publication of FR1347338A publication Critical patent/FR1347338A/fr
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
    • G06F7/582—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 OR CALCULATING; 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 OR CALCULATING; 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)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computational Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
FR920652A 1962-01-10 1963-01-07 Montage générateur de trains d'impulsions-clés Expired FR1347338A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR920652A FR1347338A (fr) 1962-01-10 1963-01-07 Montage générateur de trains d'impulsions-clés

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH24662A CH408109A (de) 1962-01-10 1962-01-10 Einrichtung zur Erzeugung von Schlüsselimpulsfolgen
FR920652A FR1347338A (fr) 1962-01-10 1963-01-07 Montage générateur de trains d'impulsions-clés

Publications (1)

Publication Number Publication Date
FR1347338A true FR1347338A (fr) 1963-12-27

Family

ID=25684013

Family Applications (1)

Application Number Title Priority Date Filing Date
FR920652A Expired FR1347338A (fr) 1962-01-10 1963-01-07 Montage générateur de trains d'impulsions-clés

Country Status (1)

Country Link
FR (1) FR1347338A (fr)

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