STM32 MCUs Security

I am trying to implement Over The Air Update Functionality and secure boot from scratch for the STM32F303vctx Discovery board, could someone kindly provide me links to the appropriate resources, e.g application notes for the same? Thanks in advance

If I programmed a region of Flash protected by PCROP., how I can I modify the rest of the code, download and debug it with the STM32CubeIDE? In other words, is it possible to download code only in Bank1 and nothing in Bank2, hence keeping the PCROP region

SBSFU_V2.6.0 compiler fail fail based on IAR

Hi ,I have to use IAR IDE to develop SBSFU function , But I found that after "2_Images_SECoreBin" compiler success, I try to compiler "2_Images_SBSFU" as below picture. It's seem show post build fail.Dose anyone find this issue and some suggest? (but...

Securely program bootloader remotely in STM32

Normally the bootloader is the first thing to program in the MCU by the manufacturer,. Bootloader contains a way how to update the firmware of the device from the firmware file (encrypted), which is openly passed to the customer. Hence the bootloader...

NUCLEO-H723ZG board Memory Data all is 0 & CPU status Lockup

I tried to do an experiment with PC-ROP protection in Cubeprogrammer, but an exception occurred when I disabled protection.My Memory Data seems to be protected all the time, the value is always 0, and there is no way to Erase the entire Chip normally...

Interrupt on UserApp not working with SBSFU

Hi everyone,currently, I'm struggling to make interrupt working with SBSFU (STM32WB55).If I run the program without SBSFU, interrupt event working properly.but when I compiled it along with SBSFU, the interrupt not working.I see on another post that ...

AES Cryptolib encrypted data doesn't decrypting by any other libraries on other platforms except Cryptolib itself

Hello everyone! I encrypt the data with the AES-256 ECB algorithm using the X-Cube-Cryptolib library, while the library itself can decrypt the data correctly, and third-party libraries decrypt it incorrectly. I use 32 random bytes as the key.I tried ...

SBSFU Algorithms

Hi All,​Currently I used SBFU solution to develop project , I had checked the AN2262 that descript SBSFU support below picture.1.My question is how to enhance below encryption strength or any application I could reference, does it need modify SE engi...

STM32G070KB with RDP set to level 1 with J-Flash kills the device.

Hi!Can someone explain to me why this code:// Is FLASH_CR register locked for writing? if (FLASH->CR & FLASH_CR_LOCK) { // Unlocking FLASH_CR register FLASH->KEYR = KEY1; FLASH->KEYR = KEY2; }   // Unlocking FLASH option register if (FLASH->CR & F...