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Working on LPC55S69-EVK (SB, TrustZone, secure debuge)

Question asked by Mohammed AIT-BENDAOUD on Feb 12, 2020
Latest reply on Feb 19, 2020 by Sabina Bruce

Hey All,

 

Have some questions to ask you about the TrustZone, TFM uses cases and secure debug :

  

      1- If I understood correctly, we can't debug once secure boot is enabled, therefore we can't talk about secure debug too ?

      2- I don't know how secure boot ROM it works because i don't have access, but in this sense can you confirm that the ROM code doesn't enable TrustZone for SB security features ?

      3- Last question but not least, in your SDK last release you provide TFM implementation ? Can you please explain the perspectives of this implem and the eventual use cases ? 

            I mean today your SB doesn't relies to PSA-RoT so i can't understand if your are planing to integer in SB or others appli ?

 

 

Thank you in advance

 

Best regards 

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