STM32 MCUs Security

Ask questions and find answers on STM32 security frameworks and tools, including cryptographic libraries, TrustZone, and the Secure Manager.

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Resolved! Failing to provision Secure Manager

We're trying to provision Secure Manager on our H573ZI-based engineering prototype boards.We've only successfully provision only one out of three and the successful one took several tries.We're using the same provision.bat/provision_auto.bat (from SM...

How to build X-CUBE-SBSFU on B-L4S5I-IOT01 board ?

Hello, I would like to start working on SBSFU. I have B-L4S5I-IOT01 board which has STSAFE device I'm interested on.What I have read so far and particularly UM2262 document indicate I have to:- build SECoreBin- build SBSFU- build UserAppI have opened...

JGUIT.1 by Associate III
  • 1701 Views
  • 4 replies
  • 1 kudos

Azure RTOS Integration in TF-M Environment - B-U585-IOT2A

Hello TeamWe are using ST's T-FM environment for STM32U585 MCU. We have observed one strange behaviour while using the non secure callable function in the non secure code. The problem is such that till the call to "TX_PORT_SPECIFIC_PRE_INITIALIZATION...

PJose4_0-1697192084818.png
PJose.4 by Senior
  • 1219 Views
  • 3 replies
  • 0 kudos

Resolved! Secure Firmware (Re)Install by the end user on STM32U5 - how to?

ST undoubtedly put lots of effort in building a complete and coherent solution supporting secure firmware install (SFI), even done by contract manufacturer (CM) independent from the original equipment manufacturer (OEM). See AN5054 and AN4992.However...

TDJ by Lead
  • 9069 Views
  • 25 replies
  • 14 kudos

how to protect code ?

hello everyone , how can i protect code in stm32f103 with the ability to upgrade code in future ? i am using stmcube programmer ide and stlink programmer

ahmash by Associate III
  • 2371 Views
  • 3 replies
  • 2 kudos

Resolved! what does the polynomial become when crc8

Greetings. I ran into a problem, I can’t figure out how to become a polynomial if I use not 32 binary mode but in 8 bit mode. MCU STM32F072x8/xBif I use a 32-bit setting, I get the correct data and can process it on a PC, but with 8 bits it doesn’t w...

RSolo.1 by Associate II
  • 2802 Views
  • 4 replies
  • 1 kudos

wireless stack did not start and stop in SBSFU

Hi,I am replacing Standalone Loader(Ymodem serial) and porting BLE_OTA in SBSFU as mention in AN5056 section 8.4 How to replace the standalone loader with a BLE OTA loader i am successfully ported and run BLE OTA but as wireless stack not started it ...

asala.19 by Associate III
  • 1845 Views
  • 7 replies
  • 0 kudos