Security After Secure Boot

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Security After Secure Boot

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gregorydavies
Contributor II

How do I secure the contents of the root filesystem after a secure boot?

I have an application built on Yocto 3.14.52 that's deployed on an SD card within the product. The root filesystem contains sensitive information, and I'm concerned that unlike with on-chip memory, an attacker can just pop out the SD card and access the contents, no matter how secure the boot process is.

Is there a recommended approach to this with Yocto? 

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aravinthkumarja
Senior Contributor II

Hi  Greg Davies,

 Please try using SELinux.

Regards,

Aravinth

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Yuri
NXP Employee
NXP Employee

Hello,

 Please try using cryptofs.

Have a great day,
Yuri

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