Ask questions and find answers on STM32 security frameworks and tools, including cryptographic libraries, TrustZone, and the Secure Manager.
Hello!I have a problem with STM32L496RG booting from flash after activating readout protection level 1. The issue is that MCU seems to get stuck in system bootloader code. The only way to get it to boot from main flash is to apply power on reset.Accr...
Hello guys,I was setting up my STM32CubeIDE to use the SBSFU sample projets. I'm facing a issue with SECore engine, more specific the postbuild.sh script.When i compile SE, i get the following message:ln: failed to create symbolic link '../../postbui...
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...
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...
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...
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...
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...
Hi,I am trying to use external flash to download the FW and facing issue at FWPartialTag comparison. I want to debug SECoreBin project to see what is going on while I am in debugging SBSFU project.Is this debug jump possible? If so, Could you please ...
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...
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...