Ask questions and find answers on STM32 security frameworks and tools, including cryptographic libraries, TrustZone, and the Secure Manager.
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...
Hello, I am using STM32F103c6 cortex-m3. I am using 100 micro controllers in various boards. In some around 10 micro controllers, I have seen a issue of option bytes getting corrupted. Even though I am writing 0xA5 to RDP to remove read protection wh...
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...
Hi @ST Community Thanks for the support I'm working on the Package provided by ST, TF-M Application and Bootloader(TF-M Application and TF-M Bootloader) and have tested the working with the automatic script provided with the package(TFM_update.sh)(Re...
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...
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
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...
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 ...
I see the listing of all variants of STM32F405 & STM32F407 shows secure boot as one of the security functions. But I haven't been able to find any documentation for the same.It would be helpful if someone can point me to the relevant documentation.
Hi everyone,I'm currently trying to switch to the Secure World within ThreadX using a NSC function (I use an empty function for debugging, but the problem does persist also if I do anything there).Problem:If i call my NSC function in the NonSecure ma...