STM32 MCUs Security

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Resolved! STM32U5 SFI Function

Hello,Thanks for all of the help so far.  Another question, this one regarding SFI process for the STM32U5 series. In AN4992 section 3.3.1 for STM32L/U/W series, it describes a secure bootloader that is split into 2 parts, one of which is responsible...

Nucleo-H563ZI: Blink LED with TrustZone enabled

Hii Sir,Recently I have got Nucleo-H563ZI nucleo board and i was trying to do programming for blinking led present on the board with the trust zone activated, but i am unable to get how to do it.The process i follow is;1) Created new stm32 project ->...

Shubham08 by Associate III
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ThreadX secure stack with Secure Manager

Hello,We are using an STM32H573 with the Secure Manager provided by ST running in the secure environment. In the non-secure environment, we are calling PSA functions. These calls work before ThreadX is launched but fail afterward.According to the pag...

Resolved! RDP vs PcROP

Greetings,I would like to know, in summary, what are the key main differences between RDP (ReadOut Protection) and PcROP (Proprietary Code Readout Protection), which one is safer and use cases.Thank you!

j_filipe by Associate II
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  • 2 replies
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SBSFU stm32h753zi

Hi,I am working on the SBSFU default code, which handles swapping content from the download slot to the active slot. However, I need to skip the swapping process and after Decryption download slot boot directly from the download slot.Could you please...

JTAG Locking mechanism using optional bytes

Hi ST team,We are using STM32H573VI controller for our product development, here we are facing an issue to develop JTAG locking mechanism, As we gone through reference manual of STM32H5 controller, we observed that in FLASH_OPTSR_PRG register contain...

Resolved! SBSFU: image validation error

Hi,I am evaluating/learning the SBSFU application example on STM32WBA55CG. I have disabled the MCUBOOT_HW_ROLLBACK_PROT and generated the signed confirmed image sbsfu_app_init.bin using the imgtool.exe  without the security counter TLV using the belo...