STM32 MCUs Security

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Port SBSFU to NUCLEO-F429ZI

Hello,I'm using SBSFU to secure firmware runs and firmware upgrades. My target board is a custom board with F429ZI and external SPI Flash, but for the beginning, I've started testing with NUCLEO-F429ZI.I have successfully ported "2-Images" example fr...

AliT by Associate II
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Know the memory usage of stm32 crypto lib

I am using stm32L4 series, I try to encrypt data using STM32 cryptographic firmware library and i use the apis cmox_initialize() , cmox_cipher_encrypt() and cmox_cipher_decrypt()  I am using the library libSTM32Cryptographic_CM4.a is any one help me ...

Anand m by Associate II
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  • 1 replies
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B-U585-IOT-2A Flash Write Protection

Hi @ communityI am working around the flash lock protection that was somehow enabled in my development board(B-U585-IOT2A) while testing the TF-M SBSFU Application and now i am unable to do a flash erase on my chip. The cube programmer is showing the...

PJose4_0-1688387786716.png PJose4_1-1688388102857.png PJose4_2-1688388129681.png
PJose.4 by Senior
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  • 1 replies
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Resolved! Unable to reset RDP from BB on STM32F407G Discovery

After using STMCubeProgrammer 2.21 to set the RDP byte to BB, the board works fine, but Cube programmer is later unable  to access the board; I've tried different modes, under reset etc.  The disk folder shows when plugged in to the USB with FAIL.txt...

Robmar by Senior III
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  • 6 replies
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About read-out protection, write protection

Hi all,I'm working in a project (with STM32L462) in which we're building our own bootloader to perform secure boot and firmware upgrade. There are some issues we're still struggling with, regarding protection of our code (and data). Hopefully someon...

Quang Ha by Associate
  • 1392 Views
  • 2 replies
  • 1 kudos

Resolved! B-U585-IOT2A TF-M Update Script not Working on Windows

Hi @ST Community GreetingsI'm trying the TF-M Application package v1.2 released by ST and am following the instructions in UM2851.I'm currently in the step shown below:in windows im unable to run the TFM_Update.sh script that is provided in the follo...

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PJose.4 by Senior
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(Q) AES Burst (over TIMER?) DMA STML0(82) understanding

Hello all, When I had a beautiful STM32U5 in hand the world was still good.But now I have a comprehension question about the STM32L0, I have an 8-bit buffer and now the fastest way to AES decrypt/encrypt this data is via DMA with active burst mode. T...

MLe.2 by Associate
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