DE69910549D1 - Verfahren zur datensicherung welches einen krypto-algorithmus verwendet - Google Patents

Verfahren zur datensicherung welches einen krypto-algorithmus verwendet

Info

Publication number
DE69910549D1
DE69910549D1 DE69910549T DE69910549T DE69910549D1 DE 69910549 D1 DE69910549 D1 DE 69910549D1 DE 69910549 T DE69910549 T DE 69910549T DE 69910549 T DE69910549 T DE 69910549T DE 69910549 D1 DE69910549 D1 DE 69910549D1
Authority
DE
Germany
Prior art keywords
data backup
backup method
crypt algorithm
crypt
algorithm
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
DE69910549T
Other languages
English (en)
Other versions
DE69910549T2 (de
Inventor
Patrick Salle
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.)
Axalto SA
Original Assignee
Schlumberger Systemes 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 Schlumberger Systemes SA filed Critical Schlumberger Systemes SA
Application granted granted Critical
Publication of DE69910549D1 publication Critical patent/DE69910549D1/de
Publication of DE69910549T2 publication Critical patent/DE69910549T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • H04L9/06—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
    • 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
DE69910549T 1998-03-17 1999-03-17 Verfahren zur datensicherung welches einen krypto-algorithmus verwendet Expired - Lifetime DE69910549T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR9803242A FR2776445A1 (fr) 1998-03-17 1998-03-17 Procede de securisation de donnees mettant en oeuvre un algorithme cryptographique
FR9803242 1998-03-17
PCT/FR1999/000613 WO1999048239A1 (fr) 1998-03-17 1999-03-17 Procede de securisation de donnees mettant en oeuvre un algorithme cryptographique

Publications (2)

Publication Number Publication Date
DE69910549D1 true DE69910549D1 (de) 2003-09-25
DE69910549T2 DE69910549T2 (de) 2004-06-17

Family

ID=9524129

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69910549T Expired - Lifetime DE69910549T2 (de) 1998-03-17 1999-03-17 Verfahren zur datensicherung welches einen krypto-algorithmus verwendet

Country Status (7)

Country Link
US (2) US7073072B1 (de)
EP (1) EP1064752B1 (de)
AU (1) AU2842299A (de)
DE (1) DE69910549T2 (de)
ES (1) ES2205784T3 (de)
FR (1) FR2776445A1 (de)
WO (1) WO1999048239A1 (de)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7587044B2 (en) * 1998-01-02 2009-09-08 Cryptography Research, Inc. Differential power analysis method and apparatus
ATE429748T1 (de) * 1998-01-02 2009-05-15 Cryptography Res Inc Leckresistentes kryptographisches verfahren und vorrichtung
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
ATE360866T1 (de) 1998-07-02 2007-05-15 Cryptography Res Inc Leckresistente aktualisierung eines indexierten kryptographischen schlüssels
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
DE19837808A1 (de) * 1998-08-20 2000-02-24 Orga Kartensysteme Gmbh Verfahren zur Ausführung eines Verschlüsselungsprogramms zur Verschlüsselung von Daten in einem mikroprozessorgestützten, tragbaren Datenträger
EP1044533A1 (de) * 1998-09-30 2000-10-18 Koninklijke Philips Electronics N.V. Verschlüsselungsverfahren zum ausführen von kryptographischen operationen
FR2789776B1 (fr) * 1999-02-17 2001-04-06 Gemplus Card Int Procede de contre-mesure dans un composant electronique mettant en oeuvre un algorithme de cryptographie a cle secrete
DE19921633A1 (de) * 1999-05-10 2000-11-16 Deutsche Telekom Ag Verfahren zur Implementierung kryptographischer Algorithmen
US6724894B1 (en) * 1999-11-05 2004-04-20 Pitney Bowes Inc. Cryptographic device having reduced vulnerability to side-channel attack and method of operating same
CA2298990A1 (en) * 2000-02-18 2001-08-18 Cloakware Corporation Method and system for resistance to power analysis
FR2813972B1 (fr) * 2000-09-14 2003-12-12 St Microelectronics Sa Procede de brouillage de la consommation electrique d'un circuit integre
CA2327911A1 (en) * 2000-12-08 2002-06-08 Cloakware Corporation Obscuring functions in computer software
FR2820577B1 (fr) * 2001-02-08 2003-06-13 St Microelectronics Sa Procede securise de calcul cryptographique a cle secrete et composant mettant en oeuvre un tel procede
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
FR2844409B1 (fr) * 2002-09-05 2004-12-24 Sagem Protection d'une cle secrete pour algorithme d'authentification dans un radiotelephone mobile
FR2862454A1 (fr) * 2003-11-18 2005-05-20 Atmel Corp Methode de reduction modulaire aleatoire et equipement associe
FR2867635B1 (fr) 2004-03-11 2006-09-22 Oberthur Card Syst Sa Procede de traitement de donnees securise, base notamment sur un algorithme cryptographique
FR2885711B1 (fr) * 2005-05-12 2007-07-06 Atmel Corp Procede et materiel modulaire et aleatoire pour la reduction polynomiale
FR2889349A1 (fr) * 2005-07-26 2007-02-02 St Microelectronics Sa Procede et dispositif de securisation d'un circuit integre, notamment une carte a microprocesseur
FR2897216B1 (fr) * 2006-02-08 2008-05-02 Sagem Defense Securite Protection d'un algorithme cryptographique
FR2914129B1 (fr) * 2007-03-21 2009-06-12 Oberthur Card Syst Sa Procede de traitement de donnees au sein d'une entite electronique
CN103605936A (zh) 2008-06-24 2014-02-26 Nds有限公司 集成电路内的安全
EP2234031A1 (de) * 2009-03-24 2010-09-29 SafeNet, Inc. Obfuskation

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3029381B2 (ja) * 1994-01-10 2000-04-04 富士通株式会社 データ変換装置
US6049613A (en) * 1997-03-07 2000-04-11 Jakobsson; Markus Method and apparatus for encrypting, decrypting, and providing privacy for data values
US5991415A (en) * 1997-05-12 1999-11-23 Yeda Research And Development Co. Ltd. At The Weizmann Institute Of Science Method and apparatus for protecting public key schemes from timing and fault attacks
US6064740A (en) * 1997-11-12 2000-05-16 Curiger; Andreas Method and apparatus for masking modulo exponentiation calculations in an integrated circuit
ATE429748T1 (de) 1998-01-02 2009-05-15 Cryptography Res Inc Leckresistentes kryptographisches verfahren und vorrichtung
DE69938045T2 (de) * 1998-06-03 2009-01-15 Cryptography Research Inc., San Francisco Verwendung von unvorhersagbarer Information zur Leckminimierung von Chipkarten und anderen Kryptosystemen
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
JP4188571B2 (ja) * 2001-03-30 2008-11-26 株式会社日立製作所 情報処理装置の演算方法および耐タンパ演算攪乱実装方式

Also Published As

Publication number Publication date
US7073072B1 (en) 2006-07-04
DE69910549T2 (de) 2004-06-17
EP1064752A1 (de) 2001-01-03
EP1064752B1 (de) 2003-08-20
WO1999048239A1 (fr) 1999-09-23
AU2842299A (en) 1999-10-11
FR2776445A1 (fr) 1999-09-24
US20060271795A1 (en) 2006-11-30
ES2205784T3 (es) 2004-05-01

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: AXALTO S.A., MONTROUGE, FR