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AM335X: Firmware signing process

Hello,

My compagny use SITARA processor and we want to sign our firmware.

To do this, we use a asymmetric cryptographic process, we use a pair of key (public and private keys).

The questions are:

1- Is there a truszone inside the SITARA ?

2- Is there a recommended process to do firmware signing using SITARA processor ?

Thank you for your answers,

Best regardes,