DE68900160D1 - Sicherheitsanordnung gegen unbefugtes aufspueren von geschuetzten daten. - Google Patents

Sicherheitsanordnung gegen unbefugtes aufspueren von geschuetzten daten.

Info

Publication number
DE68900160D1
DE68900160D1 DE8989403019T DE68900160T DE68900160D1 DE 68900160 D1 DE68900160 D1 DE 68900160D1 DE 8989403019 T DE8989403019 T DE 8989403019T DE 68900160 T DE68900160 T DE 68900160T DE 68900160 D1 DE68900160 D1 DE 68900160D1
Authority
DE
Germany
Prior art keywords
security device
device against
protected data
against unauthorized
unauthorized detection
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
DE8989403019T
Other languages
English (en)
Inventor
Serge Fruhauf
Laurent Sourgen
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.)
STMicroelectronics SA
Original Assignee
SGS Thomson Microelectronics 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 SGS Thomson Microelectronics SA filed Critical SGS Thomson Microelectronics SA
Application granted granted Critical
Publication of DE68900160D1 publication Critical patent/DE68900160D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F12/00—Accessing, addressing or allocating within memory systems or architectures
    • G06F12/14—Protection against unauthorised use of memory or access to memory
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07F—COIN-FREED OR LIKE APPARATUS
    • G07F7/00—Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus
    • G07F7/08—Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus by coded identity card or credit card or other personal identification means
    • G07F7/10—Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus by coded identity card or credit card or other personal identification means together with a coded signal, e.g. in the form of personal identification information, like personal identification number [PIN] or biometric data
    • G07F7/1008—Active credit-cards provided with means to personalise their use, e.g. with PIN-introduction/comparison system
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
    • G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
    • G06K19/073—Special arrangements for circuits, e.g. for protecting identification code in memory
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q20/00—Payment architectures, schemes or protocols
    • G06Q20/30—Payment architectures, schemes or protocols characterised by the use of specific devices or networks
    • G06Q20/34—Payment architectures, schemes or protocols characterised by the use of specific devices or networks using cards, e.g. integrated circuit [IC] cards or magnetic cards
    • G06Q20/341—Active cards, i.e. cards including their own processing means, e.g. including an IC or chip
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07F—COIN-FREED OR LIKE APPARATUS
    • G07F7/00—Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus
    • G07F7/08—Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus by coded identity card or credit card or other personal identification means
    • G07F7/0806—Details of the card
    • G07F7/0813—Specific details related to card security
    • G07F7/082—Features insuring the integrity of the data on or in the card
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C16/00—Erasable programmable read-only memories
    • G11C16/02—Erasable programmable read-only memories electrically programmable
    • G11C16/06—Auxiliary circuits, e.g. for writing into memory
    • G11C16/22—Safety or protection circuits preventing unauthorised or accidental access to memory cells
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C7/00—Arrangements for writing information into, or reading information out from, a digital store
    • G11C7/24—Memory cell safety or protection circuits, e.g. arrangements for preventing inadvertent reading or writing; Status cells; Test cells
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Security & Cryptography (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Business, Economics & Management (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Computer Hardware Design (AREA)
  • General Engineering & Computer Science (AREA)
  • Strategic Management (AREA)
  • Accounting & Taxation (AREA)
  • General Business, Economics & Management (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Storage Device Security (AREA)
DE8989403019T 1988-11-10 1989-11-02 Sicherheitsanordnung gegen unbefugtes aufspueren von geschuetzten daten. Expired - Fee Related DE68900160D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8814707A FR2638869B1 (fr) 1988-11-10 1988-11-10 Dispositif de securite contre la detection non autorisee de donnees protegees

Publications (1)

Publication Number Publication Date
DE68900160D1 true DE68900160D1 (de) 1991-08-29

Family

ID=9371777

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8989403019T Expired - Fee Related DE68900160D1 (de) 1988-11-10 1989-11-02 Sicherheitsanordnung gegen unbefugtes aufspueren von geschuetzten daten.

Country Status (6)

Country Link
US (1) US4932053A (de)
EP (1) EP0368727B1 (de)
JP (1) JP2813663B2 (de)
KR (1) KR900008390A (de)
DE (1) DE68900160D1 (de)
FR (1) FR2638869B1 (de)

Families Citing this family (86)

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FR2655737B1 (fr) * 1989-12-08 1992-06-12 Sgs Thomson Microelectronics Detecteur de variation rapide d'alimentation de circuit integre.
US5264742A (en) * 1990-01-09 1993-11-23 Sgs-Thomson Microelectronics, S.A. Security locks for integrated circuit
FR2656939B1 (fr) * 1990-01-09 1992-04-03 Sgs Thomson Microelectronics Verrous de securite pour circuit integre.
FR2660795B1 (fr) * 1990-04-10 1994-01-07 Sgs Thomson Microelectronics Sa Circuit de detection de fusible.
FR2690748A1 (fr) * 1992-04-30 1993-11-05 Sgs Thomson Microelectronics Circuit de détection de seuil de tension à très faible consommation.
JP3390482B2 (ja) * 1992-06-12 2003-03-24 株式会社リコー ファクシミリ装置
US5533125A (en) * 1993-04-06 1996-07-02 International Business Machines Corporation Removable computer security device
US5404402A (en) * 1993-12-21 1995-04-04 Gi Corporation Clock frequency modulation for secure microprocessors
US5509076A (en) * 1994-05-02 1996-04-16 General Instrument Corporation Of Delaware Apparatus for securing the integrity of a functioning system
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FR2732151B1 (fr) * 1995-03-21 1997-04-25 Sgs Thomson Microelectronics Procede de protection en ecriture d'une memoire en circuit integre et circuit integre correspondant
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FR2776410B1 (fr) 1998-03-20 2002-11-15 Gemplus Card Int Dispositifs pour masquer les operations effectuees dans une carte a microprocesseur
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WO1999066452A1 (de) * 1998-06-12 1999-12-23 Kreft Hans Diedrich Chipkarte mit elektronischer sicherheitsschaltung
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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
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KR100830584B1 (ko) 2006-11-21 2008-05-21 삼성전자주식회사 플래시 메모리 장치 및 그것을 포함한 스마트 카드
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FR2924262B1 (fr) * 2007-11-26 2009-12-11 Sagem Securite Procede de masquage de passage en fin de vie d'un dispositif electronique et dispositif comportant un module de controle correspondant
US7880339B2 (en) * 2009-02-03 2011-02-01 The Regents Of The University Of Michigan Isolation circuitry and method for hiding a power consumption characteristic of an associated processing circuit
FR3042066B1 (fr) 2015-10-01 2017-10-27 Stmicroelectronics Rousset Procede de lissage d'un courant consomme par un circuit integre et dispositif correspondant
US10958414B2 (en) * 2016-02-23 2021-03-23 Google Llc Clock period randomization for defense against cryptographic attacks
FR3104751B1 (fr) 2019-12-12 2021-11-26 St Microelectronics Rousset Procédé de lissage d’un courant consommé par un circuit intégré et dispositif correspondant
FR3113777A1 (fr) 2020-08-25 2022-03-04 Stmicroelectronics (Rousset) Sas Alimentation de circuit électronique
FR3113776A1 (fr) 2020-08-25 2022-03-04 Stmicroelectronics (Rousset) Sas Alimentation de circuit électronique

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FR2604554B1 (fr) * 1986-09-30 1988-11-10 Eurotechnique Sa Dispositif de securite pourla programmation d'une memoire non volatile programmable electriquement
FR2609831B1 (fr) * 1987-01-16 1989-03-31 Thomson Semiconducteurs Circuit de lecture pour memoire

Also Published As

Publication number Publication date
US4932053A (en) 1990-06-05
JP2813663B2 (ja) 1998-10-22
KR900008390A (ko) 1990-06-04
JPH02199561A (ja) 1990-08-07
FR2638869A1 (fr) 1990-05-11
EP0368727B1 (de) 1991-07-24
EP0368727A1 (de) 1990-05-16
FR2638869B1 (fr) 1990-12-21

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