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FR2869174B1 - Procede et dispositif pour determiner un resultat - Google Patents

Procede et dispositif pour determiner un resultat

Info

Publication number
FR2869174B1
FR2869174B1 FR0503775A FR0503775A FR2869174B1 FR 2869174 B1 FR2869174 B1 FR 2869174B1 FR 0503775 A FR0503775 A FR 0503775A FR 0503775 A FR0503775 A FR 0503775A FR 2869174 B1 FR2869174 B1 FR 2869174B1
Authority
FR
France
Prior art keywords
determining
result
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
FR0503775A
Other languages
English (en)
Other versions
FR2869174A1 (fr
Inventor
Steffen Marc Sonnekalb
Andreas Wenzel
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.)
Infineon Technologies AG
Original Assignee
Infineon Technologies AG
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 Infineon Technologies AG filed Critical Infineon Technologies AG
Publication of FR2869174A1 publication Critical patent/FR2869174A1/fr
Application granted granted Critical
Publication of FR2869174B1 publication Critical patent/FR2869174B1/fr
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • H04L9/002—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]
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L2209/00—Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
    • H04L2209/08—Randomization, e.g. dummy operations or using noise

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Storage Device Security (AREA)
FR0503775A 2004-04-19 2005-04-15 Procede et dispositif pour determiner un resultat Expired - Fee Related FR2869174B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102004018874A DE102004018874B4 (de) 2004-04-19 2004-04-19 Verfahren und Vorrichtung zum Bestimmen eines Ergebnisses

Publications (2)

Publication Number Publication Date
FR2869174A1 FR2869174A1 (fr) 2005-10-21
FR2869174B1 true FR2869174B1 (fr) 2007-11-30

Family

ID=35013380

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0503775A Expired - Fee Related FR2869174B1 (fr) 2004-04-19 2005-04-15 Procede et dispositif pour determiner un resultat

Country Status (3)

Country Link
US (1) US20050232416A1 (fr)
DE (1) DE102004018874B4 (fr)
FR (1) FR2869174B1 (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7610628B2 (en) * 2005-03-01 2009-10-27 Infineon Technologies Ag Apparatus and method for calculating a representation of a result operand
JP2006253745A (ja) * 2005-03-08 2006-09-21 N-Crypt Inc データ処理装置、データ処理システム、及びデータ処理方法
EP1932275B1 (fr) * 2005-10-06 2016-11-23 NDS Limited Dispositif de securite et fonctions de bloc de construction
CN103684748B (zh) * 2012-09-26 2017-02-08 上海复旦微电子集团股份有限公司 对称式加解密方法、对称式加解密系统
CN104598828B (zh) * 2013-10-31 2017-09-15 上海复旦微电子集团股份有限公司 数据的防攻击方法和装置
CN104683095B (zh) * 2013-11-29 2018-03-06 上海复旦微电子集团股份有限公司 一种des加密方法和装置
DE102014001647A1 (de) * 2014-02-06 2015-08-06 Infineon Technologies Ag Operation basierend auf zwei Operanden
CN104301088A (zh) * 2014-09-20 2015-01-21 北京电子科技学院 密码芯片功耗分析装置、方法及功耗分析防护装置、方法
US11449606B1 (en) * 2020-12-23 2022-09-20 Facebook Technologies, Llc Monitoring circuit including cascaded s-boxes for fault injection attack protection

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19845073C2 (de) * 1998-09-30 2001-08-30 Infineon Technologies Ag Verfahren zur Absicherung der DES-Verschlüsselung gegen Ausspähung der Schlüssel durch Analyse der Stromaufnahme des Prozessors
GB2345229B (en) * 1998-12-23 2003-12-03 Motorola Ltd Method for encrypting data
CA2298990A1 (fr) * 2000-02-18 2001-08-18 Cloakware Corporation Methode et systeme de resistance a l'analyse de puissance

Also Published As

Publication number Publication date
FR2869174A1 (fr) 2005-10-21
DE102004018874B4 (de) 2009-08-06
DE102004018874A1 (de) 2005-11-10
US20050232416A1 (en) 2005-10-20

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