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FR3100073B1 - Procédé de sécurisation d’un calculateur de véhicule automobile - Google Patents

Procédé de sécurisation d’un calculateur de véhicule automobile Download PDF

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Publication number
FR3100073B1
FR3100073B1 FR1909380A FR1909380A FR3100073B1 FR 3100073 B1 FR3100073 B1 FR 3100073B1 FR 1909380 A FR1909380 A FR 1909380A FR 1909380 A FR1909380 A FR 1909380A FR 3100073 B1 FR3100073 B1 FR 3100073B1
Authority
FR
France
Prior art keywords
microcontroller
application
securing
instructions
motor vehicle
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.)
Active
Application number
FR1909380A
Other languages
English (en)
Other versions
FR3100073A1 (fr
Inventor
Vincent Deligeon
Jean-Christophe Seguy
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.)
Vitesco Technologies GmbH
Original Assignee
Continental Automotive France SAS
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 Continental Automotive France SAS filed Critical Continental Automotive France SAS
Priority to FR1909380A priority Critical patent/FR3100073B1/fr
Publication of FR3100073A1 publication Critical patent/FR3100073A1/fr
Application granted granted Critical
Publication of FR3100073B1 publication Critical patent/FR3100073B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/50—Monitoring users, programs or devices to maintain the integrity of platforms, e.g. of processors, firmware or operating systems
    • G06F21/57—Certifying or maintaining trusted computer platforms, e.g. secure boots or power-downs, version controls, system software checks, secure updates or assessing vulnerabilities
    • G06F21/575—Secure boot
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/50—Monitoring users, programs or devices to maintain the integrity of platforms, e.g. of processors, firmware or operating systems
    • G06F21/57—Certifying or maintaining trusted computer platforms, e.g. secure boots or power-downs, version controls, system software checks, secure updates or assessing vulnerabilities

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • General Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Software Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Storage Device Security (AREA)
  • Control Of Electric Motors In General (AREA)

Abstract

L’invention concerne un procédé de sécurisation d’un calculateur de véhicule automobile, ledit calculateur comprenant un microcontrôleur (1), comprenant une mémoire (10) non volatile et au moins un cœur (20), ladite mémoire (10) non volatile comprenant une zone mémoire dite « de contrôle » (Z1) comprenant un ensemble d’instructions de démarrage, une zone mémoire dite « d’application » (Z2) comprenant au moins un ensemble d’instructions d’application configuré pour mettre en œuvre une application du calculateur par l’au moins un cœur (20). Le microcontrôleur (1) étant éteint ou en état de veille, le procédé comprend les étapes de démarrage du microcontrôleur (1), de détection, par la mise en œuvre de l’ensemble d’instructions de démarrage, de l’effacement d’une partie de la zone mémoire d’application (Z2) entre la dernière extinction ou mise en veille et le démarrage du microcontrôleur (1), en l’absence d’effacement, et d’exécution par le microcontrôleur (1) d’au moins un ensemble d’instructions d’application. Figure pour l’abrégé : Fig. 1
FR1909380A 2019-08-23 2019-08-23 Procédé de sécurisation d’un calculateur de véhicule automobile Active FR3100073B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR1909380A FR3100073B1 (fr) 2019-08-23 2019-08-23 Procédé de sécurisation d’un calculateur de véhicule automobile

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1909380A FR3100073B1 (fr) 2019-08-23 2019-08-23 Procédé de sécurisation d’un calculateur de véhicule automobile
FR1909380 2019-08-23

Publications (2)

Publication Number Publication Date
FR3100073A1 FR3100073A1 (fr) 2021-02-26
FR3100073B1 true FR3100073B1 (fr) 2022-05-27

Family

ID=68654754

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1909380A Active FR3100073B1 (fr) 2019-08-23 2019-08-23 Procédé de sécurisation d’un calculateur de véhicule automobile

Country Status (1)

Country Link
FR (1) FR3100073B1 (fr)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8055989B2 (en) * 2006-08-08 2011-11-08 Stmicroelectronics, Inc. Boot security using embedded counters
US7814263B2 (en) * 2006-10-26 2010-10-12 Sandisk Il Ltd. Erase history-based flash writing method
US10691805B2 (en) * 2018-02-14 2020-06-23 GM Global Technology Operations LLC Resident manufacturing test software based system for mitigating risks associated with vehicle control modules

Also Published As

Publication number Publication date
FR3100073A1 (fr) 2021-02-26

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Year of fee payment: 2

PLSC Publication of the preliminary search report

Effective date: 20210226

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Owner name: VITESCO TECHNOLOGIES, DE

Effective date: 20210629

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Year of fee payment: 3

CA Change of address

Effective date: 20220103

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