BE626963A - - Google Patents

Info

Publication number
BE626963A
BE626963A BE626963DA BE626963A BE 626963 A BE626963 A BE 626963A BE 626963D A BE626963D A BE 626963DA BE 626963 A BE626963 A BE 626963A
Authority
BE
Belgium
Application number
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.)
Publication of BE626963A publication Critical patent/BE626963A/xx

Links

Classifications

    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F7/00Methods or arrangements for processing data by operating upon the order or content of the data handled
    • G06F7/58Random or pseudo-random number generators
    • G06F7/582Pseudo-random number generators
    • G06F7/584Pseudo-random number generators using finite field arithmetic, e.g. using a linear feedback shift register
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/06Cryptographic 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
    • H04L9/065Encryption by serially and continuously modifying data stream elements, e.g. stream cipher systems, RC4, SEAL or A5/3
    • H04L9/0656Pseudorandom key sequence combined element-for-element with data sequence, e.g. one-time-pad [OTP] or Vernam's cipher
    • H04L9/0662Pseudorandom key sequence combined element-for-element with data sequence, e.g. one-time-pad [OTP] or Vernam's cipher with particular pseudorandom sequence generator
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F2207/00Indexing scheme relating to methods or arrangements for processing data by operating upon the order or content of the data handled
    • G06F2207/58Indexing scheme relating to groups G06F7/58 - G06F7/588
    • G06F2207/581Generating an LFSR sequence, e.g. an m-sequence; sequence may be generated without LFSR, e.g. using Galois Field arithmetic
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F2207/00Indexing scheme relating to methods or arrangements for processing data by operating upon the order or content of the data handled
    • G06F2207/58Indexing scheme relating to groups G06F7/58 - G06F7/588
    • G06F2207/583Serial 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)
BE626963D 1962-01-10 BE626963A (da)

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
BE626963A true BE626963A (da)

Family

ID=4182624

Family Applications (1)

Application Number Title Priority Date Filing Date
BE626963D BE626963A (da) 1962-01-10

Country Status (6)

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

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
NL110769C (da) * 1955-01-26
US2995624A (en) * 1959-03-11 1961-08-08 Zenith Radio Corp Secrecy communication system

Also Published As

Publication number Publication date
GB973537A (en) 1964-10-28
US3678198A (en) 1972-07-18
CH408109A (de) 1966-02-28
NL287518A (da)
DE1257843B (de) 1968-01-04
NL142301B (nl) 1974-05-15

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