JP2005512240A5 - - Google Patents
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- Publication number
- JP2005512240A5 JP2005512240A5 JP2003551733A JP2003551733A JP2005512240A5 JP 2005512240 A5 JP2005512240 A5 JP 2005512240A5 JP 2003551733 A JP2003551733 A JP 2003551733A JP 2003551733 A JP2003551733 A JP 2003551733A JP 2005512240 A5 JP2005512240 A5 JP 2005512240A5
- Authority
- JP
- Japan
- Prior art keywords
- clock
- frequency
- electronic component
- digital electronic
- randomness
- 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.)
- Pending
Links
- 230000001360 synchronised Effects 0.000 claims 1
Claims (1)
- クロック(H)によって決定される同期成分(10)を有する電気及び電磁気式解析から保護されるデジタル電子部品において、少なくとも与えられた時間内に最小値及び最大値間をランダムに周波数を変化させ、前記クロック(H)を供給する周波数発生器(12)、及び前記クロック(H)の周波数変化のランダム性を制御する手段(13)を備えることを特徴とするデジタル電子部品。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0116114A FR2833724A1 (fr) | 2001-12-13 | 2001-12-13 | Composant electronique numerique protege contre des analyses de type electrique et/ou electromagnetique, notamment dans le domaine de la carte a puce |
PCT/FR2002/004285 WO2003050750A1 (fr) | 2001-12-13 | 2002-12-11 | Composant electronique numerique protege contre des analyses de type electrique |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005512240A JP2005512240A (ja) | 2005-04-28 |
JP2005512240A5 true JP2005512240A5 (ja) | 2006-01-26 |
Family
ID=8870434
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2003551733A Pending JP2005512240A (ja) | 2001-12-13 | 2002-12-11 | 電気式解析から保護されるデジタル電子部品 |
Country Status (11)
Country | Link |
---|---|
US (1) | US7352861B2 (ja) |
EP (1) | EP1485857B1 (ja) |
JP (1) | JP2005512240A (ja) |
KR (1) | KR100957672B1 (ja) |
CN (1) | CN100397358C (ja) |
AU (1) | AU2002364639A1 (ja) |
DE (1) | DE60213878T2 (ja) |
ES (1) | ES2269823T3 (ja) |
FR (1) | FR2833724A1 (ja) |
MX (1) | MXPA04005620A (ja) |
WO (1) | WO2003050750A1 (ja) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2129116A1 (fr) | 2008-05-29 | 2009-12-02 | Nagravision S.A. | Unité et méthode de traitement sécurisé de données audio/vidéo à accès contrôlé |
JP5482048B2 (ja) * | 2009-09-18 | 2014-04-23 | ソニー株式会社 | 集積回路および電子機器 |
US8782417B2 (en) | 2009-12-17 | 2014-07-15 | Nagravision S.A. | Method and processing unit for secure processing of access controlled audio/video data |
EP2337347A1 (en) | 2009-12-17 | 2011-06-22 | Nagravision S.A. | Method and processing unit for secure processing of access controlled audio/video data |
CN102118146A (zh) * | 2009-12-30 | 2011-07-06 | 上海华虹集成电路有限责任公司 | 时钟产生电路 |
DE102012111414B4 (de) * | 2012-11-26 | 2018-10-04 | Infineon Technologies Ag | Master-Slave-Speicherschaltung |
EP2802152B1 (en) | 2013-05-07 | 2017-07-05 | Nagravision S.A. | Method for secure processing a stream of encrypted digital audio / video data |
EP2827601A1 (fr) * | 2013-07-19 | 2015-01-21 | Nagravision S.A. | Méthode et dispositif pour la protection des clés de déchiffrement d'un décodeur |
CN105894079B (zh) * | 2016-04-22 | 2019-03-15 | 上海东软载波微电子有限公司 | 时钟加扰电路 |
US10459477B2 (en) * | 2017-04-19 | 2019-10-29 | Seagate Technology Llc | Computing system with power variation attack countermeasures |
CN112152780B (zh) * | 2020-10-29 | 2024-02-27 | 深圳安捷丽新技术有限公司 | 一种防sema攻击的待测电路安全仿真分析方法和装置 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2667715A1 (fr) * | 1990-10-09 | 1992-04-10 | Gemplus Card Int | Procede et dispositif pour accroitre la protection d'une carte a memoire. |
US5404402A (en) * | 1993-12-21 | 1995-04-04 | Gi Corporation | Clock frequency modulation for secure microprocessors |
EP0772058B1 (de) * | 1995-10-24 | 2003-01-08 | Epcos Ag | Identifizierungs- und/oder Sensorsystem |
TW383527B (en) * | 1995-11-09 | 2000-03-01 | British Tech Group | Enhanced detectionn of multipled data transmissions |
US5874520A (en) | 1996-12-12 | 1999-02-23 | E. I. Du Pont De Nemours And Company | Preparation of nylon salts from diamine carbamates and dicarboxylic acids |
JP3827050B2 (ja) * | 1999-03-09 | 2006-09-27 | 株式会社ルネサステクノロジ | Icカードと半導体集積回路装置 |
US6419159B1 (en) * | 1999-06-14 | 2002-07-16 | Microsoft Corporation | Integrated circuit device with power analysis protection circuitry |
-
2001
- 2001-12-13 FR FR0116114A patent/FR2833724A1/fr active Pending
-
2002
- 2002-12-11 JP JP2003551733A patent/JP2005512240A/ja active Pending
- 2002-12-11 CN CNB028247663A patent/CN100397358C/zh not_active Expired - Lifetime
- 2002-12-11 DE DE60213878T patent/DE60213878T2/de not_active Expired - Lifetime
- 2002-12-11 WO PCT/FR2002/004285 patent/WO2003050750A1/fr active IP Right Grant
- 2002-12-11 EP EP02804606A patent/EP1485857B1/fr not_active Expired - Lifetime
- 2002-12-11 AU AU2002364639A patent/AU2002364639A1/en not_active Abandoned
- 2002-12-11 ES ES02804606T patent/ES2269823T3/es not_active Expired - Lifetime
- 2002-12-11 KR KR1020047008486A patent/KR100957672B1/ko active IP Right Grant
- 2002-12-11 US US10/498,605 patent/US7352861B2/en not_active Expired - Lifetime
- 2002-12-11 MX MXPA04005620A patent/MXPA04005620A/es active IP Right Grant
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