Method and apparatus for enhancing security of vehicle controller
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United States of America Patent
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May 31, 2022
Grant Date -
Jun 11, 2020
app pub date -
Dec 4, 2019
filing date -
Dec 7, 2018
priority date (Note) -
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status (Latency Note)
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Abstract
A method for enhancing the security of a vehicle controller includes: performing, by a microcontroller, a secure boot when a vehicle controller is powered on and booted; determining, by the microcontroller, whether the secure boot is for a reprogramming mode or an other operation mode, among a plurality of operation modes of the vehicle controller, when the secure boot is completed; performing, by the microcontroller, a password input step, generating an error password, and automatically inputting the error password when the secure boot is for an operation mode other than the reprogramming mode from the plurality of operation modes of the vehicle controller; and jumping, by the microcontroller, to a main software (SW) routine immediately when the error password is inputted.
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