secure boot issure

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secure boot issure

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Contributor I

I have closed my device and secured my device ,hab_status shows that Secure boot enabled.I have downloaded a signed u-boot.imx ,but why I can download a no signed boot.img .It's not secure.I think a signed u-boot.imx can't load a no signed boot.img.Anyone can help me.Thank you!

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NXP TechSupport
NXP TechSupport

Hello,

  In the secure close mode, it is possible to load an image, at least to check it.

But it is not possible to run unsigned image. Boot ROM does not allow to run

unsigned U-boot; further responsibility for verifying and running applications

under U-boot belongs to the U-boot. 


Have a great day,
Yuri

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