STM32 MCUs Security

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Firmware MPU configuration and SBSFU FPU exceptions

It seems to be a recurring challenge in the community posts of getting firmware MPU configuration to work with SBSFU. We also had the problem of application firmware hanging when running it with SBSFU. A solution of clearing floating point unit flags...

sute by Associate III
  • 447 Views
  • 5 replies
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How to exit safe mode for STM32H735.

How to exit safe mode when the security position of the chip is 1 and the protection area of the flash of the new chip is from 0x080000000 to 0x082020000, but the content in the flash is erased,Thank you.

wux by Associate
  • 249 Views
  • 2 replies
  • 2 kudos

How to validate an image with security features enabled?

Hi all,In our project we have enabled the ENABLE_IMAGE_STATE_HANDLING flag and download an image via YMODEM transfer to our NUCLEO-L476RG. However, when we try to validate the image by calling SE_APP_ValidateFw(), our STM reboots and does a rollback....

ac_gd by Associate II
  • 1548 Views
  • 15 replies
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Resolved! File not correctly received - SBSFU

I am trying to follow the getting started guide (UM2262) for the SBSFU using our own hardware.  I have got as far getting to the main "secure boot and secure firmware update" screen in Tera Term, however when trying to send the .sfb file, I get the f...

Issue with SBSFU integration with custom user application

 Hi,I am trying to integrate custom user application with SBSFU bootloader for p-nucleo-WB55 and I was wondering in case anyone saw the following issue.When I try to use the Secure Engine functions for validation in my user application, the program g...

kaur by Associate III
  • 1621 Views
  • 11 replies
  • 0 kudos