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How to replace .obk for STM32H523

hakeila
Associate III

Hi,

 

I have locked out my MCU. I generated a Debug Authentication file with certificate (DA_Config.obk) and provisioned that into the MCU. However, I think I have regenerated a private key without regenerating a certificate.

 

I am no longer able to do a regression on the MCU for DA authentication. I have tried multiple of certificates and regenerated certificates based on the root private key I used for generating the .obk file but nothing works.

 

Also I don't quite understand the difference between the root, intermediate and leaf keys/certificates pairs. Which ones is used in regression?

 

Any help would be appreciated.

 

Thanks in advance :)

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