2026-01-04 11:09 AM
Hi all, I'm trying to get some knowledge about the use of OEMiRoT using the NUCLEO-H563ZI board following the ST Tutorial How to start with OEMiRoT on STM32H573 and 563–Arm® TrustZone® enabled - stm32mcu.
Once the certificate chain has been created, I'm facing some problems with the Debug Authentication procedure: indeed, after setting the root key and root certificate in the Debug Authentication page of STM32CubeProgrammer, and selecting "Level 3 Intrusive Debug" as stated in section 3.2.1 of the tutorial, I receive both a "Debug Authentication Success" and a "Error: ST-LINK error (DEV_CONNECT_ERR)"; after this, I'm not able to read any of the data stored in the chip flash, neither with STM32CubeProgrammer or STM32CubeIde.
This problem adds to those already mentioned in topic STM32H563: CubeProgrammer UART connect fails in PRODUCT_STATE = iROTProvisioned
Am I missing something? All other levels of authentication, either secure or non-secure, are returning me the same error without the fleeting hope of the Success message.
Thank you,
Giulio