STM32 MCUs Security

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Resolved! Debug Authentication Failed

My H5 DK board is in TZ-CLOSED state (after --sfi-flash), I am unable to put it in "Level 1/2/3 Intrusive Debug" state no matter what combinations of keys and certificates to use (including key_1_root.pem and cert_root.b64). Only Full regression work...

Thatseasy by Associate III
  • 347 Views
  • 2 replies
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Resolved! Is it coming official update of SBSFU to support CubeMX?

Hello everyone,Now I'm developing an user application compatible with SBSFU on STM32CubeIDE.SBSFU itself is pretty nice, but I feel the development architecture and environment are a little bit old, like not supporting CubeMX.Fortunatelly, I succeede...

YUTA1 by Associate II
  • 512 Views
  • 4 replies
  • 3 kudos

Tamper Detection on STM32H753

Hello,I try to implement a tamper detection for my project. In general, it works. When the device is only powered by a coin cell and a tamper is detected, the backup registers are erased and unfortunately also the backup RAM. When the device is power...

toni2 by Associate
  • 322 Views
  • 1 replies
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STM32WLxx DFU Error

Hi,I ported the SBSFU project to the LoRaWAN_AT_Slave routine, and tested DFU normally and it worked fine, but when I used the wrong file to upgrade, such as readme.txt, the upgrade process ran for a while, and then stopped, showed " Fw header authen...

ethan2_0-1740128888124.png
ethan2 by Associate II
  • 296 Views
  • 3 replies
  • 0 kudos

Resolved! STSAFE-A110 STSAFEA_COMMUNICATION_ERROR on all reads

Hi,I ported example projects from en.x-cube-safea1\project\NUCLEO-L476RG for MbedTLS cryptolib for use on my B-U585I-IOT02A Discovery Kit. The STSAFE-A110 is powered correctly and NRESET is pulled high. It never errors on writes to the device, but al...

Resolved! SBSFU Rollback with stm32L476RG

Hi All,I am following the UM2262 document. I will add a screenshot. I enabled the ENABLE_IMAGE_STATE_HANDLING flag to enable rollback, but after updating UserApp.bin, the device continues to reset. I will add a debug log screenshot (it’s not jumping ...

Kurien_Raju_0-1735620184451.png Kurien_Raju_1-1735620272027.png

Resolved! STM32U585 - can't get SBSFU-example to work

Hi, I'm trying to adapt the SBSFU-Cube repository example for the B-U585I-IOT02A (STM32CubeU5\Projects\B-U585I-IOT02A\Applications\SBSFU, repository V1.7.0) to a custom PCB with STM32U585CITx. Since I don't have access to UART1 I changed it in com.h ...

Resolved! STM32H563: Unable to Regress or Debug Authenticate

Hello,(previous post was marked as spam - I don't know why, so I'm posting again...)I've been working on Provisioning my STM32H563 and after 3 weeks of not touching it, I am unable to perform Full Regression or Debug Authentication on my password-pro...

Resolved! X-CUBE-SBSFU CAN bus support

Hi everybody!We have to implement firmware update feature via CAN interface. Our challenge involves implementing a secure and safe firmware update feature via the CAN bus, driven by regulatory requirements in the medical field. Unfortunately, the exa...

Vadym by Associate II
  • 2188 Views
  • 9 replies
  • 2 kudos