STM32 MCUs Security

SBSFU with STM32F469/STM32F479 and SPI flash

Hi everyone,I am using STM32F469/STM32F479 and want to integrate SBSFU with an SPI flash. Basically the active image is in MCU's 1 Mbytes flash and downloaded image is in the external flash. There are several questions I would like to know before I s...

X-CUBE-SBSFU: Are there any dual-core MCUs examples? I try to implement it on the STM32H747

Hello comrades,I've downloaded the SBSFU package, but there is no example for the STM32H747, moreover, I couldn't find an example for dual-core MCU (H755 or H747, etc.).I've tried to make some changes to the NUCLEO-H753ZI project within the downloade...

Ethernet Init fail with sbsfu bootloader

Hello everyone!I am testing my own firmware with the sbsfu bootloader (stm32h723). I have the problem that when the MCU is trying to set up the ethernet the board will die.The ETH region is protected by MPU and before enabling it in my app I disable...

For SBSFU v2.4.0, Send firmware file by Linux Minicom YMODEM failed

Hi,I have download the newest version SBSFU v2.4.0.From the readme.txt, I compile the SBSFU project NUCLEO-G071RB 1_Image_SBSFU with the MINICOM_YMODEM switch enabled (app_sfu.h).But send the user encrypted firmware file UserApp.sfb always failed.How...

STM32H7 cannot program anymore after running example of SBSFU example (1 Image) for STM32H7B3.

the stm32programmer can connect, erase whole chip, but cannot program.What I have done is to run example of SBSFU example (1 Image). I can see bootloader running. Then I try to erase the chip to program my other program.I try to load the PCROP and s...

After downloading a new firmware blob via YMODEM transmssion, why does SBSFU report that installation is not validated instead of installing the new firmware?

We implemented an OTA update procedure where we provide an STM32L476 with a new firmware via serial using the Ymodem protocol in a two-image SBSFU configuration.We are executing long-running tests in which we use the same firmware image to test the u...

X-CUBE-SBSFU : Bootloader is really slow (6s) (STM32F429)

I ported the SBSFU to an STM32F429 and everything works but it takes almost up to 6s (!) before the bootloader exits and jumps to the main application. My application is about 1.3Mb (entire flash is 2Mb) so it is not exactly small, but 6s boot time i...

Are the scripts in the folder Host_Tools also available as shell or pyhton script?

How to change read out protection from level 1 to level 0 with STM32CubeProgrammer?

Background information : we are using STM32F407 for our product and 2 of them (out of 3) encounters the same problem: RDP level has been changed from level 0 to level 1 and stopped working without any modification from our part. Before even thinking ...