DE69910549D1 - Verfahren zur datensicherung welches einen krypto-algorithmus verwendet - Google Patents
Verfahren zur datensicherung welches einen krypto-algorithmus verwendetInfo
- 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
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
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)
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)
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 |
-
1998
- 1998-03-17 FR FR9803242A patent/FR2776445A1/fr not_active Withdrawn
-
1999
- 1999-03-17 EP EP99909029A patent/EP1064752B1/de not_active Expired - Lifetime
- 1999-03-17 AU AU28422/99A patent/AU2842299A/en not_active Abandoned
- 1999-03-17 WO PCT/FR1999/000613 patent/WO1999048239A1/fr active IP Right Grant
- 1999-03-17 DE DE69910549T patent/DE69910549T2/de not_active Expired - Lifetime
- 1999-03-17 US US09/646,640 patent/US7073072B1/en not_active Expired - Fee Related
- 1999-03-17 ES ES99909029T patent/ES2205784T3/es not_active Expired - Lifetime
-
2006
- 2006-05-12 US US11/433,232 patent/US20060271795A1/en not_active Abandoned
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 |