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Review a secret file content for STM32MP2 series to enable secure boot

ThinhNguyen
Associate III

My goal is to create a SSP payload and write it to the OTP of the STM32MP257F chip. The OS running on my KIT is based on OpenSTLinux.

To get the SSP Payload, a Secret file is required. I just need secure boot.

I refer to the following sources:

The contents of my Secret file will include the components as shown below. (Json file attached)

ThinhNguyen_0-1752114013070.png

Is a secret file with such components enough for secure boot? And please advise if there are any invalid options in the Secret list

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