FR2811168B1 - Procede de conversion de la representation binaire d'un nombre dans une representation binaire signee - Google Patents

Procede de conversion de la representation binaire d'un nombre dans une representation binaire signee

Info

Publication number
FR2811168B1
FR2811168B1 FR0008547A FR0008547A FR2811168B1 FR 2811168 B1 FR2811168 B1 FR 2811168B1 FR 0008547 A FR0008547 A FR 0008547A FR 0008547 A FR0008547 A FR 0008547A FR 2811168 B1 FR2811168 B1 FR 2811168B1
Authority
FR
France
Prior art keywords
binary representation
converting
signed
signed binary
representation
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
FR0008547A
Other languages
English (en)
Other versions
FR2811168A1 (fr
Inventor
Marc Joye
Sung Ming Yen
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.)
Gemplus SA
Original Assignee
Gemplus Card International SA
Gemplus 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 Gemplus Card International SA, Gemplus SA filed Critical Gemplus Card International SA
Priority to FR0008547A priority Critical patent/FR2811168B1/fr
Priority to US10/312,530 priority patent/US6903663B2/en
Priority to CN01812126.8A priority patent/CN1258883C/zh
Priority to PCT/FR2001/001944 priority patent/WO2002001727A1/fr
Priority to EP01947558A priority patent/EP1299953A1/fr
Priority to AU2001269217A priority patent/AU2001269217A1/en
Publication of FR2811168A1 publication Critical patent/FR2811168A1/fr
Application granted granted Critical
Publication of FR2811168B1 publication Critical patent/FR2811168B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/02—Conversion to or from weighted codes, i.e. the weight given to a digit depending on the position of the digit within the block or code word
    • H03M7/12—Conversion to or from weighted codes, i.e. the weight given to a digit depending on the position of the digit within the block or code word having two radices, e.g. binary-coded-decimal code
    • 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
    • G06F7/38—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation
    • G06F7/48—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation using non-contact-making devices, e.g. tube, solid state device; using unspecified devices
    • G06F7/52—Multiplying; Dividing
    • G06F7/523—Multiplying only
    • G06F7/533—Reduction of the number of iteration steps or stages, e.g. using the Booth algorithm, log-sum, odd-even
    • G06F7/5332—Reduction of the number of iteration steps or stages, e.g. using the Booth algorithm, log-sum, odd-even by skipping over strings of zeroes or ones, e.g. using the Booth Algorithm
FR0008547A 2000-06-30 2000-06-30 Procede de conversion de la representation binaire d'un nombre dans une representation binaire signee Expired - Fee Related FR2811168B1 (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
FR0008547A FR2811168B1 (fr) 2000-06-30 2000-06-30 Procede de conversion de la representation binaire d'un nombre dans une representation binaire signee
US10/312,530 US6903663B2 (en) 2000-06-30 2001-06-20 Method for converting the binary representation of a number in a signed binary representation
CN01812126.8A CN1258883C (zh) 2000-06-30 2001-06-20 将一个数的二进制表示变换成一个带符号的二进制表示的方法
PCT/FR2001/001944 WO2002001727A1 (fr) 2000-06-30 2001-06-20 Procede de conversion de la representation binaire d'un nombre dans une representation binaire signee
EP01947558A EP1299953A1 (fr) 2000-06-30 2001-06-20 Procede de conversion de la representation binaire d'un nombre dans une representation binaire signee
AU2001269217A AU2001269217A1 (en) 2000-06-30 2001-06-20 Method for converting the binary representation of a number in a signed binary representation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0008547A FR2811168B1 (fr) 2000-06-30 2000-06-30 Procede de conversion de la representation binaire d'un nombre dans une representation binaire signee

Publications (2)

Publication Number Publication Date
FR2811168A1 FR2811168A1 (fr) 2002-01-04
FR2811168B1 true FR2811168B1 (fr) 2002-11-15

Family

ID=8851988

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0008547A Expired - Fee Related FR2811168B1 (fr) 2000-06-30 2000-06-30 Procede de conversion de la representation binaire d'un nombre dans une representation binaire signee

Country Status (6)

Country Link
US (1) US6903663B2 (fr)
EP (1) EP1299953A1 (fr)
CN (1) CN1258883C (fr)
AU (1) AU2001269217A1 (fr)
FR (1) FR2811168B1 (fr)
WO (1) WO2002001727A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4682852B2 (ja) * 2006-01-16 2011-05-11 ソニー株式会社 暗号処理装置、および暗号処理方法、並びにコンピュータ・プログラム
US7996798B2 (en) * 2007-05-24 2011-08-09 Microsoft Corporation Representing binary code as a circuit
EP2169535A1 (fr) * 2008-09-22 2010-03-31 Thomson Licensing Procédé, appareil et support de programme informatique pour le recodage régulier d'un entier positif
US8812570B2 (en) * 2009-05-28 2014-08-19 Red Hat, Inc. String hashing using a number generator

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6053907B2 (ja) * 1978-01-27 1985-11-27 日本電気株式会社 二項ベクトル乗算回路
DE4308112A1 (de) * 1993-03-15 1994-10-13 Andreas Herrfeld Schaltung zur CSD-Codierung einer binären Zweierkomplement- oder Dualzahl
EP0892520A3 (fr) 1997-07-17 2001-10-17 Matsushita Electric Industrial Co., Ltd. Dispositif de calcul de courbe elliptique pouvant calculer des multiples a une vitesse élevée

Also Published As

Publication number Publication date
US6903663B2 (en) 2005-06-07
CN1440591A (zh) 2003-09-03
CN1258883C (zh) 2006-06-07
WO2002001727A1 (fr) 2002-01-03
AU2001269217A1 (en) 2002-01-08
US20040215684A1 (en) 2004-10-28
EP1299953A1 (fr) 2003-04-09
FR2811168A1 (fr) 2002-01-04

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20100226