DE2065017B2 - Elektrische schaltung zur erzeugung einer periodischen impulsfolge - Google Patents

Elektrische schaltung zur erzeugung einer periodischen impulsfolge

Info

Publication number
DE2065017B2
DE2065017B2 DE19702065017 DE2065017A DE2065017B2 DE 2065017 B2 DE2065017 B2 DE 2065017B2 DE 19702065017 DE19702065017 DE 19702065017 DE 2065017 A DE2065017 A DE 2065017A DE 2065017 B2 DE2065017 B2 DE 2065017B2
Authority
DE
Germany
Prior art keywords
generating
electrical circuit
pulse sequence
periodic pulse
periodic
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.)
Withdrawn
Application number
DE19702065017
Other languages
English (en)
Other versions
DE2065017A1 (de
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 filed Critical
Priority to DE19702065017 priority Critical patent/DE2065017B2/de
Priority claimed from DE19702052906 external-priority patent/DE2052906C1/de
Publication of DE2065017A1 publication Critical patent/DE2065017A1/de
Publication of DE2065017B2 publication Critical patent/DE2065017B2/de
Withdrawn legal-status Critical Current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
    • G06F7/582—Pseudo-random number generators
    • G06F7/584—Pseudo-random number generators using finite field arithmetic, e.g. using a linear feedback shift register
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09C—CIPHERING OR DECIPHERING APPARATUS FOR CRYPTOGRAPHIC OR OTHER PURPOSES INVOLVING THE NEED FOR SECRECY
    • G09C1/00—Apparatus or methods whereby a given sequence of signs, e.g. an intelligible text, is transformed into an unintelligible sequence of signs by transposing the signs or groups of signs or by replacing them by others according to a predetermined system
    • G09C1/06—Apparatus or methods whereby a given sequence of signs, e.g. an intelligible text, is transformed into an unintelligible sequence of signs by transposing the signs or groups of signs or by replacing them by others according to a predetermined system wherein elements corresponding to the signs making up the clear text are operatively connected with elements corresponding to the signs making up the ciphered text, the connections, during operation of the apparatus, being automatically and continuously permuted by a coding or key member
    • G09C1/10—Apparatus or methods whereby a given sequence of signs, e.g. an intelligible text, is transformed into an unintelligible sequence of signs by transposing the signs or groups of signs or by replacing them by others according to a predetermined system wherein elements corresponding to the signs making up the clear text are operatively connected with elements corresponding to the signs making up the ciphered text, the connections, during operation of the apparatus, being automatically and continuously permuted by a coding or key member the connections being electrical
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
    • H03K3/78—Generating a single train of pulses having a predetermined pattern, e.g. a predetermined number
    • 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
    • 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
    • H04L2209/125—Parallelization or pipelining, e.g. for accelerating processing of cryptographic operations

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Computational Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Dc Digital Transmission (AREA)
DE19702065017 1970-10-28 1970-10-28 Elektrische schaltung zur erzeugung einer periodischen impulsfolge Withdrawn DE2065017B2 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19702065017 DE2065017B2 (de) 1970-10-28 1970-10-28 Elektrische schaltung zur erzeugung einer periodischen impulsfolge

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19702065017 DE2065017B2 (de) 1970-10-28 1970-10-28 Elektrische schaltung zur erzeugung einer periodischen impulsfolge
DE19702052906 DE2052906C1 (de) 1970-10-28 1970-10-28 Verfahren zur Synchronisation von Codegeneratoren

Publications (2)

Publication Number Publication Date
DE2065017A1 DE2065017A1 (de) 1972-05-10
DE2065017B2 true DE2065017B2 (de) 1973-08-30

Family

ID=25759982

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19702065017 Withdrawn DE2065017B2 (de) 1970-10-28 1970-10-28 Elektrische schaltung zur erzeugung einer periodischen impulsfolge

Country Status (1)

Country Link
DE (1) DE2065017B2 (de)

Also Published As

Publication number Publication date
DE2065017A1 (de) 1972-05-10

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