DE69927395T2 - Gegenmassnahmenverfahren in einem elektronsichen bauelement, das einen algorithmus mit einem privaten schlüssel verwendet - Google Patents

Gegenmassnahmenverfahren in einem elektronsichen bauelement, das einen algorithmus mit einem privaten schlüssel verwendet Download PDF

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Publication number
DE69927395T2
DE69927395T2 DE69927395T DE69927395T DE69927395T2 DE 69927395 T2 DE69927395 T2 DE 69927395T2 DE 69927395 T DE69927395 T DE 69927395T DE 69927395 T DE69927395 T DE 69927395T DE 69927395 T2 DE69927395 T2 DE 69927395T2
Authority
DE
Germany
Prior art keywords
oppositive
algorithm
procedure
electronic component
private key
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 - Lifetime
Application number
DE69927395T
Other languages
English (en)
Other versions
DE69927395D1 (de
Inventor
Christophe Clavier
Olivier Benoit
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 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 SA filed Critical Gemplus SA
Application granted granted Critical
Publication of DE69927395D1 publication Critical patent/DE69927395D1/de
Publication of DE69927395T2 publication Critical patent/DE69927395T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • H04L9/06—Cryptographic 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
    • H04L9/0618—Block ciphers, i.e. encrypting groups of characters of a plain text message using fixed encryption transformation
    • H04L9/0625—Block ciphers, i.e. encrypting groups of characters of a plain text message using fixed encryption transformation with splitting of the data block into left and right halves, e.g. Feistel based algorithms, DES, FEAL, IDEA or KASUMI
    • 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
    • H04L9/003—Countermeasures against attacks on cryptographic mechanisms for power analysis, e.g. differential power analysis [DPA] or simple power analysis [SPA]
    • 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
    • G06F2207/72—Indexing scheme relating to groups G06F7/72 - G06F7/729
    • G06F2207/7219—Countermeasures against side channel or fault attacks

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Storage Device Security (AREA)
DE69927395T 1998-10-16 1999-09-15 Gegenmassnahmenverfahren in einem elektronsichen bauelement, das einen algorithmus mit einem privaten schlüssel verwendet Expired - Lifetime DE69927395T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9812990A FR2784831B1 (fr) 1998-10-16 1998-10-16 Procede de contre-mesure dans un composant electronique mettant en oeuvre un algorithme de cryptographie a cle secrete
PCT/FR1999/002199 WO2000024156A1 (fr) 1998-10-16 1999-09-15 Procede de contre-mesure dans un composant electronique mettant en oeuvre un algorithme de cryptographie a cle secrete

Publications (2)

Publication Number Publication Date
DE69927395D1 DE69927395D1 (de) 2005-10-27
DE69927395T2 true DE69927395T2 (de) 2006-06-14

Family

ID=9531649

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69927395T Expired - Lifetime DE69927395T2 (de) 1998-10-16 1999-09-15 Gegenmassnahmenverfahren in einem elektronsichen bauelement, das einen algorithmus mit einem privaten schlüssel verwendet

Country Status (9)

Country Link
US (1) US7085378B1 (de)
EP (1) EP1119940B1 (de)
JP (1) JP3650333B2 (de)
CN (1) CN1177430C (de)
AU (1) AU5628999A (de)
DE (1) DE69927395T2 (de)
ES (1) ES2251222T3 (de)
FR (1) FR2784831B1 (de)
WO (1) WO2000024156A1 (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2345229B (en) * 1998-12-23 2003-12-03 Motorola Ltd Method for encrypting data
FR2804524B1 (fr) * 2000-01-31 2002-04-19 Oberthur Card Systems Sas Procede d'execution d'un protocole cryptographique entre deux entites electroniques
JP4596686B2 (ja) 2001-06-13 2010-12-08 富士通株式会社 Ｄｐａに対して安全な暗号化
FR2856538B1 (fr) * 2003-06-18 2005-08-12 Gemplus Card Int Procede de contre-mesure dans un composant electronique mettant en oeuvre un algorithme cryptographique du type a cle publique
FR2856537B1 (fr) * 2003-06-18 2005-11-04 Gemplus Card Int Procede de contre-mesure par masquage de l'accumulateur dans un composant electronique mettant en oeuvre un algorithme de cryptographie a cle publique
JP4634788B2 (ja) * 2004-12-17 2011-02-16 株式会社東芝 暗号演算回路と、該暗号演算回路を有する情報処理装置及びｉｃカード
JP2008252299A (ja) * 2007-03-29 2008-10-16 Hitachi Ltd 暗号処理システム及び暗号処理方法
FR2925968B1 (fr) * 2007-12-26 2011-06-03 Ingenico Sa Procede de securisation d'un microprocesseur, programme d'ordinateur et dispositif correspondants
FR2949633B1 (fr) * 2009-08-27 2011-10-21 St Microelectronics Rousset Procede et dispositif de contremesure pour proteger des donnees circulant dans un composant electronique
EP2293185A1 (de) * 2009-09-04 2011-03-09 Thomson Licensing Gegen Übersprungangriffe gesichertes Exponentiationsverfahren und Vorrichtung zum Durchführen des Verfahrens
WO2020007822A1 (en) 2018-07-02 2020-01-09 Conservatoire National Des Arts Et Metiers (Cnam) Bismuth metallic (0) nanoparticles, process of manufacturing and uses thereof

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2672402B1 (fr) * 1991-02-05 1995-01-27 Gemplus Card Int Procede et dispositif pour la generation de nombres pseudo-aleatoires uniques.
US5933501A (en) * 1996-08-01 1999-08-03 Harris Corporation `Virtual` encryption scheme combining different encryption operators into compound-encryption mechanism
CA2302784A1 (en) * 1997-09-17 1999-03-25 Frank C. Luyster Improved block cipher method
KR100296958B1 (ko) * 1998-05-06 2001-09-22 이석우 블록 데이터 암호화 장치
WO1999067919A2 (en) * 1998-06-03 1999-12-29 Cryptography Research, Inc. Improved des and other cryptographic processes with leak minimization for smartcards and other cryptosystems
TW556111B (en) * 1999-08-31 2003-10-01 Toshiba Corp Extended key generator, encryption/decryption unit, extended key generation method, and storage medium

Also Published As

Publication number Publication date
ES2251222T3 (es) 2006-04-16
EP1119940B1 (de) 2005-09-21
WO2000024156A1 (fr) 2000-04-27
CN1177430C (zh) 2004-11-24
US7085378B1 (en) 2006-08-01
EP1119940A1 (de) 2001-08-01
DE69927395D1 (de) 2005-10-27
FR2784831B1 (fr) 2000-12-15
JP3650333B2 (ja) 2005-05-18
FR2784831A1 (fr) 2000-04-21
CN1328733A (zh) 2001-12-26
AU5628999A (en) 2000-05-08
JP2003517745A (ja) 2003-05-27

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