FR2917864B1 - Procede de calcul d'un code de redondance cyclique - Google Patents

Procede de calcul d'un code de redondance cyclique

Info

Publication number
FR2917864B1
FR2917864B1 FR0704364A FR0704364A FR2917864B1 FR 2917864 B1 FR2917864 B1 FR 2917864B1 FR 0704364 A FR0704364 A FR 0704364A FR 0704364 A FR0704364 A FR 0704364A FR 2917864 B1 FR2917864 B1 FR 2917864B1
Authority
FR
France
Prior art keywords
calculating
cyclic redundancy
redundancy code
code
cyclic
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 - Fee Related
Application number
FR0704364A
Other languages
English (en)
Other versions
FR2917864A1 (fr
Inventor
Jean Levallois
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.)
Thales SA
Original Assignee
Thales SA
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 Thales SA filed Critical Thales SA
Priority to FR0704364A priority Critical patent/FR2917864B1/fr
Publication of FR2917864A1 publication Critical patent/FR2917864A1/fr
Application granted granted Critical
Publication of FR2917864B1 publication Critical patent/FR2917864B1/fr
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/08—Error detection or correction by redundancy in data representation, e.g. by using checking codes
    • G06F11/10—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's
    • G06F11/1008—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's in individual solid state devices
    • G06F11/1064—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's in individual solid state devices in cache or content addressable memories
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M13/00—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
    • H03M13/03—Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words
    • H03M13/05—Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words using block codes, i.e. a predetermined number of check bits joined to a predetermined number of information bits
    • H03M13/09—Error detection only, e.g. using cyclic redundancy check [CRC] codes or single parity bit
    • H03M13/091—Parallel or block-wise CRC computation

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Quality & Reliability (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Computing Systems (AREA)
  • Probability & Statistics with Applications (AREA)
  • Detection And Correction Of Errors (AREA)
FR0704364A 2007-06-19 2007-06-19 Procede de calcul d'un code de redondance cyclique Expired - Fee Related FR2917864B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR0704364A FR2917864B1 (fr) 2007-06-19 2007-06-19 Procede de calcul d'un code de redondance cyclique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0704364A FR2917864B1 (fr) 2007-06-19 2007-06-19 Procede de calcul d'un code de redondance cyclique

Publications (2)

Publication Number Publication Date
FR2917864A1 FR2917864A1 (fr) 2008-12-26
FR2917864B1 true FR2917864B1 (fr) 2009-09-25

Family

ID=38961222

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0704364A Expired - Fee Related FR2917864B1 (fr) 2007-06-19 2007-06-19 Procede de calcul d'un code de redondance cyclique

Country Status (1)

Country Link
FR (1) FR2917864B1 (fr)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2129236C (fr) * 1992-12-29 1998-12-22 Shiping Li Dispositif et methode efficaces de generation et de verification de coefficients de restes de controle de redondance cyclique
US6195780B1 (en) * 1997-12-10 2001-02-27 Lucent Technologies Inc. Method and apparatus for generating cyclical redundancy code
US6029186A (en) * 1998-01-20 2000-02-22 3Com Corporation High speed calculation of cyclical redundancy check sums
US6223320B1 (en) * 1998-02-10 2001-04-24 International Business Machines Corporation Efficient CRC generation utilizing parallel table lookup operations
US7613980B2 (en) * 2003-06-06 2009-11-03 Avago Technologies General Ip (Singapore) Pte. Ltd. System for computing a CRC value by processing a data message a word at a time

Also Published As

Publication number Publication date
FR2917864A1 (fr) 2008-12-26

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