FR2829646B1 - Procede securise de mise en oeuvre d'un algorithme de cryptographie et composant correspondant - Google Patents

Procede securise de mise en oeuvre d'un algorithme de cryptographie et composant correspondant

Info

Publication number
FR2829646B1
FR2829646B1 FR0111602A FR0111602A FR2829646B1 FR 2829646 B1 FR2829646 B1 FR 2829646B1 FR 0111602 A FR0111602 A FR 0111602A FR 0111602 A FR0111602 A FR 0111602A FR 2829646 B1 FR2829646 B1 FR 2829646B1
Authority
FR
France
Prior art keywords
implementing
corresponding component
cryptographic algorithm
secure method
secure
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
FR0111602A
Other languages
English (en)
Other versions
FR2829646A1 (fr
Inventor
Marc Joye
Karine Gandolfi Villegas
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 FR0111602A priority Critical patent/FR2829646B1/fr
Priority to PCT/FR2002/002963 priority patent/WO2003025739A1/fr
Publication of FR2829646A1 publication Critical patent/FR2829646A1/fr
Application granted granted Critical
Publication of FR2829646B1 publication Critical patent/FR2829646B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G06F7/38—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
    • G06F7/544—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 for evaluating functions by calculation
    • G06F7/556—Logarithmic or exponential functions
    • 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
    • G06F2207/556—Indexing scheme relating to group G06F7/556
    • G06F2207/5561—Exponentiation by multiplication, i.e. calculating Y**INT(X) by multiplying Y with itself or a power of itself, INT(X) being the integer part of X

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computational Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Pure & Applied Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computing Systems (AREA)
  • Mathematical Optimization (AREA)
  • General Engineering & Computer Science (AREA)
  • Storage Device Security (AREA)
FR0111602A 2001-09-07 2001-09-07 Procede securise de mise en oeuvre d'un algorithme de cryptographie et composant correspondant Expired - Fee Related FR2829646B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR0111602A FR2829646B1 (fr) 2001-09-07 2001-09-07 Procede securise de mise en oeuvre d'un algorithme de cryptographie et composant correspondant
PCT/FR2002/002963 WO2003025739A1 (fr) 2001-09-07 2002-08-29 Procede securise de mise en oeuvre d'un algorithme de cryptographie et composant correspondant

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0111602A FR2829646B1 (fr) 2001-09-07 2001-09-07 Procede securise de mise en oeuvre d'un algorithme de cryptographie et composant correspondant

Publications (2)

Publication Number Publication Date
FR2829646A1 FR2829646A1 (fr) 2003-03-14
FR2829646B1 true FR2829646B1 (fr) 2004-01-16

Family

ID=8867069

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0111602A Expired - Fee Related FR2829646B1 (fr) 2001-09-07 2001-09-07 Procede securise de mise en oeuvre d'un algorithme de cryptographie et composant correspondant

Country Status (2)

Country Link
FR (1) FR2829646B1 (fr)
WO (1) WO2003025739A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2864390B1 (fr) * 2003-12-19 2006-03-31 Gemplus Card Int Procede cryptographique d'exponentiation modulaire protege contre les attaques de type dpa.

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6064740A (en) * 1997-11-12 2000-05-16 Curiger; Andreas Method and apparatus for masking modulo exponentiation calculations in an integrated circuit
US6298135B1 (en) * 1999-04-29 2001-10-02 Motorola, Inc. Method of preventing power analysis attacks on microelectronic assemblies

Also Published As

Publication number Publication date
FR2829646A1 (fr) 2003-03-14
WO2003025739A1 (fr) 2003-03-27

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20100531