JP2004533630A5 - - Google Patents

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Publication number
JP2004533630A5
JP2004533630A5 JP2002563650A JP2002563650A JP2004533630A5 JP 2004533630 A5 JP2004533630 A5 JP 2004533630A5 JP 2002563650 A JP2002563650 A JP 2002563650A JP 2002563650 A JP2002563650 A JP 2002563650A JP 2004533630 A5 JP2004533630 A5 JP 2004533630A5
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JP
Japan
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.)
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JP2002563650A
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JP4347568B2 (ja
JP2004533630A (ja
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Priority claimed from FR0101685A external-priority patent/FR2820576B1/fr
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Publication of JP2004533630A publication Critical patent/JP2004533630A/ja
Publication of JP2004533630A5 publication Critical patent/JP2004533630A5/ja
Application granted granted Critical
Publication of JP4347568B2 publication Critical patent/JP4347568B2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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JP2002563650A 2001-02-08 2002-02-06 安全化暗号化法と、この暗号化法を使ったコンポーネント Expired - Lifetime JP4347568B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0101685A FR2820576B1 (fr) 2001-02-08 2001-02-08 Procede de cryptage protege contre les analyses de consommation energetique, et composant utilisant un tel procede de cryptage
PCT/FR2002/000453 WO2002063821A1 (fr) 2001-02-08 2002-02-06 Procede de cryptage securise et composant utilisant un tel procede de cryptage

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2008232720A Division JP2008295108A (ja) 2001-02-08 2008-09-10 安全化暗号化方法及び装置

Publications (3)

Publication Number Publication Date
JP2004533630A JP2004533630A (ja) 2004-11-04
JP2004533630A5 true JP2004533630A5 (ja) 2008-11-06
JP4347568B2 JP4347568B2 (ja) 2009-10-21

Family

ID=8859754

Family Applications (2)

Application Number Title Priority Date Filing Date
JP2002563650A Expired - Lifetime JP4347568B2 (ja) 2001-02-08 2002-02-06 安全化暗号化法と、この暗号化法を使ったコンポーネント
JP2008232720A Pending JP2008295108A (ja) 2001-02-08 2008-09-10 安全化暗号化方法及び装置

Family Applications After (1)

Application Number Title Priority Date Filing Date
JP2008232720A Pending JP2008295108A (ja) 2001-02-08 2008-09-10 安全化暗号化方法及び装置

Country Status (6)

Country Link
US (1) US8306218B2 (ja)
EP (1) EP1358732B2 (ja)
JP (2) JP4347568B2 (ja)
DE (1) DE60223337T3 (ja)
FR (1) FR2820576B1 (ja)
WO (1) WO2002063821A1 (ja)

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US9323955B2 (en) * 2000-12-21 2016-04-26 Gemalto Sa Method for protecting a logic or mathematical operator installed in an electronic module with a microprocessor as well as the associated embedded electronic module and the system
FR2820576B1 (fr) * 2001-02-08 2003-06-20 St Microelectronics Sa Procede de cryptage protege contre les analyses de consommation energetique, et composant utilisant un tel procede de cryptage
US8582774B2 (en) * 2002-03-07 2013-11-12 Gemalto Sa Method for making safe an electronic cryptography assembly with a secret key
GB0211812D0 (en) * 2002-05-23 2002-07-03 Koninkl Philips Electronics Nv S-box encryption in block cipher implementations
JP2005056413A (ja) * 2003-08-01 2005-03-03 Stmicroelectronics Sa 複数の同じ計算の保護
DE602004023436D1 (de) * 2004-03-29 2009-11-12 St Microelectronics Sa Prozessor zum ausführen eines aes algorithmus
US7899190B2 (en) 2004-04-16 2011-03-01 Research In Motion Limited Security countermeasures for power analysis attacks
US7848514B2 (en) * 2004-05-24 2010-12-07 Research In Motion Limited Table masking for resistance to power analysis attacks
DE102004032894A1 (de) * 2004-07-07 2006-02-09 Giesecke & Devrient Gmbh Ausspähungsgeschütztes Berechnen eines maskierten Ergebniswertes
DE102004032893B4 (de) * 2004-07-07 2015-02-05 Giesecke & Devrient Gmbh Ausspähungsgeschütztes Berechnen eines maskierten Ergebniswertes
DE102004052196B4 (de) * 2004-10-27 2017-04-06 Giesecke & Devrient Gmbh Ausspähungsgeschütztes Ausführen von Operationen unter Verwendung einer maskenunterstützenden Recheneinheit
US7881466B2 (en) * 2004-10-28 2011-02-01 Irdeto B.V. Method and system for obfuscating a cryptographic function
FR2879383A1 (fr) * 2004-12-14 2006-06-16 St Microelectronics Sa Masquage de mots binaires traites par un circuit integre
EP2092684A2 (en) * 2006-11-17 2009-08-26 Koninklijke Philips Electronics N.V. Cryptographic method for a white-box implementation
KR100834096B1 (ko) 2007-05-11 2008-06-02 한국전자통신연구원 고차 전력분석공격에 대응하는 블록 암호 알고리즘ａｒｉａ의 암호화 방법
FR2951599B1 (fr) 2009-10-20 2011-11-25 St Microelectronics Rousset Procede securise de calcul cryptographique et composant electronique correspondant
FR2955436B1 (fr) * 2010-01-19 2012-11-23 St Microelectronics Rousset Procede et dispositif de contremesure pour proteger des donnees circulant dans un composant electronique
JP5060606B2 (ja) * 2010-09-17 2012-10-31 株式会社東芝 暗号化装置
EP2509252B1 (fr) 2011-04-08 2016-08-10 STMicroelectronics (Rousset) SAS Procédé de calcul cryptographique sécurisé, en particulier contre des attaques du type DFA et unidirectionnelles, et composant correspondant
FR2985624B1 (fr) * 2012-01-11 2014-11-21 Inside Secure Procede de chiffrement protege contre des attaques par canaux auxiliaires
KR101362675B1 (ko) * 2012-11-30 2014-02-12 한국전자통신연구원 저전력 암호화 장치 및 방법
DE102014004378A1 (de) * 2014-03-26 2015-10-01 Giesecke & Devrient Gmbh Speichereffiziente seitenkanalgeschützte Maskierung
US9673977B1 (en) * 2016-09-15 2017-06-06 ISARA Corporation Refreshing public parameters in lattice-based cryptographic protocols
US10097351B1 (en) 2016-09-15 2018-10-09 ISARA Corporation Generating a lattice basis for lattice-based cryptography
KR102602696B1 (ko) * 2017-10-13 2023-11-16 삼성전자주식회사 암호화 장치 및 복호화 장치, 이들의 동작방법
FR3097994B1 (fr) * 2019-06-28 2022-03-11 St Microelectronics Rousset Modification d'une mémoire d'un microprocesseur sécurisé

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JPH0293487A (ja) * 1988-09-29 1990-04-04 Nippon Telegr & Teleph Corp <Ntt> 鍵書込み装置
FR2650458B1 (fr) * 1989-07-25 1991-10-11 Trt Telecom Radio Electr Procede de traitement d'une permutation irreguliere de donnees protegees par chiffrement
JP2862141B2 (ja) * 1989-12-29 1999-02-24 富士通株式会社 慣用暗号を用いた識別番号ベース鍵管理装置
US5870470A (en) * 1996-02-20 1999-02-09 International Business Machines Corporation Method and apparatus for encrypting long blocks using a short-block encryption procedure
US5949884A (en) * 1996-11-07 1999-09-07 Entrust Technologies, Ltd. Design principles of the shade cipher
US6304658B1 (en) * 1998-01-02 2001-10-16 Cryptography Research, Inc. Leak-resistant cryptographic method and apparatus
FR2776445A1 (fr) * 1998-03-17 1999-09-24 Schlumberger Ind Sa Procede de securisation de donnees mettant en oeuvre un algorithme cryptographique
CA2333095C (en) * 1998-06-03 2005-05-10 Cryptography Research, Inc. Improved des and other cryptographic processes with leak minimization for smartcards and other cryptosystems
JP3600454B2 (ja) * 1998-08-20 2004-12-15 株式会社東芝 暗号化・復号装置、暗号化・復号方法、およびそのプログラム記憶媒体
DE69932740T2 (de) * 1998-12-30 2006-12-07 Nokia Corp. Verfahren und vorrichtung zur kryptographischen datenverarbeitung
FR2790890B1 (fr) * 1999-03-08 2001-04-27 Gemplus Card Int Procede de contre-mesure dans un composant electronique mettant en oeuvre un algorithme de cryptographie a cle secrete
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US6295606B1 (en) * 1999-07-26 2001-09-25 Motorola, Inc. Method and apparatus for preventing information leakage attacks on a microelectronic assembly
FR2800478B1 (fr) * 1999-10-28 2001-11-30 Bull Cp8 Procede de securisation d'un ensemble electronique de cryptographie a base d'exponentiation modulaire contre les attaques par analyse physique
DE19963408A1 (de) * 1999-12-28 2001-08-30 Giesecke & Devrient Gmbh Tragbarer Datenträger mit Zugriffsschutz durch Schlüsselteilung
FR2820576B1 (fr) * 2001-02-08 2003-06-20 St Microelectronics Sa Procede de cryptage protege contre les analyses de consommation energetique, et composant utilisant un tel procede de cryptage
US7403620B2 (en) * 2002-07-02 2008-07-22 Stmicroelectronics S.A. Cyphering/decyphering performed by an integrated circuit
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US7716502B2 (en) * 2005-08-24 2010-05-11 Radu Muresan Current flattening and current sensing methods and devices

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