FR2916113B1 - Procede de traitement cryptographique d'un message. - Google Patents

Procede de traitement cryptographique d'un message.

Info

Publication number
FR2916113B1
FR2916113B1 FR0754912A FR0754912A FR2916113B1 FR 2916113 B1 FR2916113 B1 FR 2916113B1 FR 0754912 A FR0754912 A FR 0754912A FR 0754912 A FR0754912 A FR 0754912A FR 2916113 B1 FR2916113 B1 FR 2916113B1
Authority
FR
France
Prior art keywords
message
cryptographic processing
cryptographic
processing
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
FR0754912A
Other languages
English (en)
Other versions
FR2916113A1 (fr
Inventor
Robert Naciri
Arnaud Boscher
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.)
Idemia France SAS
Original Assignee
Oberthur Card Systems SA France
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 Oberthur Card Systems SA France filed Critical Oberthur Card Systems SA France
Priority to FR0754912A priority Critical patent/FR2916113B1/fr
Priority to US12/116,236 priority patent/US20090125727A1/en
Publication of FR2916113A1 publication Critical patent/FR2916113A1/fr
Application granted granted Critical
Publication of FR2916113B1 publication Critical patent/FR2916113B1/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
    • G06F7/00—Methods or arrangements for processing data by operating upon the order or content of the data handled
    • G06F7/60—Methods or arrangements for performing computations using a digital non-denominational number representation, i.e. number representation without radix; Computing devices using combinations of denominational and non-denominational quantity representations, e.g. using difunction pulse trains, STEELE computers, phase computers
    • G06F7/72—Methods or arrangements for performing computations using a digital non-denominational number representation, i.e. number representation without radix; Computing devices using combinations of denominational and non-denominational quantity representations, e.g. using difunction pulse trains, STEELE computers, phase computers using residue arithmetic
    • G06F7/723—Modular exponentiation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/002—Countermeasures against attacks on cryptographic mechanisms
    • H04L9/004—Countermeasures against attacks on cryptographic mechanisms for fault attacks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/30—Public key, i.e. encryption algorithm being computationally infeasible to invert or user's encryption keys not requiring secrecy
    • H04L9/3006—Public key, i.e. encryption algorithm being computationally infeasible to invert or user's encryption keys not requiring secrecy underlying computational problems or public-key parameters
    • H04L9/302—Public key, i.e. encryption algorithm being computationally infeasible to invert or user's encryption keys not requiring secrecy underlying computational problems or public-key parameters involving the integer factorization problem, e.g. RSA or quadratic sieve [QS] schemes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
    • H04L9/3247—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials involving digital signatures
    • H04L9/3249—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials involving digital signatures using RSA or related signature schemes, e.g. Rabin scheme
FR0754912A 2007-05-07 2007-05-07 Procede de traitement cryptographique d'un message. Expired - Fee Related FR2916113B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR0754912A FR2916113B1 (fr) 2007-05-07 2007-05-07 Procede de traitement cryptographique d'un message.
US12/116,236 US20090125727A1 (en) 2007-05-07 2008-05-07 Method for cryptographic processing of a message

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0754912A FR2916113B1 (fr) 2007-05-07 2007-05-07 Procede de traitement cryptographique d'un message.

Publications (2)

Publication Number Publication Date
FR2916113A1 FR2916113A1 (fr) 2008-11-14
FR2916113B1 true FR2916113B1 (fr) 2009-07-31

Family

ID=38728927

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0754912A Expired - Fee Related FR2916113B1 (fr) 2007-05-07 2007-05-07 Procede de traitement cryptographique d'un message.

Country Status (2)

Country Link
US (1) US20090125727A1 (fr)
FR (1) FR2916113B1 (fr)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1454260B1 (fr) * 2001-10-17 2005-06-01 Infineon Technologies AG Procede et dispositif pour garantir un calcul d'exponentiation au moyen du theoreme des restes chinois (trc)
JP2004226674A (ja) * 2003-01-23 2004-08-12 Renesas Technology Corp 情報処理方法
FR2867635B1 (fr) * 2004-03-11 2006-09-22 Oberthur Card Syst Sa Procede de traitement de donnees securise, base notamment sur un algorithme cryptographique
FR2884004B1 (fr) * 2005-03-30 2007-06-29 Oberthur Card Syst Sa Procede de traitement de donnees impliquant une exponentiation modulaire et un dispositif associe
FR2884088B1 (fr) * 2005-03-31 2007-06-22 Gemplus Sa Procede et dispositif cryptographique permettant de proteger les logiques de cles publiques contre les attaques par faute
US8280041B2 (en) * 2007-03-12 2012-10-02 Inside Secure Chinese remainder theorem-based computation method for cryptosystems

Also Published As

Publication number Publication date
FR2916113A1 (fr) 2008-11-14
US20090125727A1 (en) 2009-05-14

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