STM32 MCUs Security

cancel
Showing results for 
Search instead for 
Did you mean: 

Forum Posts

Resolved! Serial DFU of Secure Firmware Fails

I'm attempting to use the serial bootloader to load a secure firmware image to an STM32L5 using STM32CubeProgrammer. I can successfully connect to the board in bootloader mode and perform a full-chip erase, but attempting to download the image (eithe...

MBand.3 by Associate III
  • 717 Views
  • 1 replies
  • 0 kudos

Resolved! STM32H753 with "secure area": how to un-brick?

So I have a STM32H753 with active "secure area" - but the code in the secure area is buggy and hangs before jumping outside.Is there a way to erase the MCU and recover, or it is bricked?No RDP is set.

Pavel A. by Evangelist III
  • 569 Views
  • 1 replies
  • 0 kudos

CRC Calculation for 8-bit values

I am experimenting with CRC Calculation on a STM32F4-Discovery.As I have seen in the reference manual this MCU is using CRC-32 used in Ethernet. I am also using https://crccalc.com/ (CRC-32/MPEG-2) to validate the results.I just activate the CRC in C...

Application hangs when doing a remote update

The details of this project are like this. I have a working product on the F417 that I wish to add Remote update capabilities to.Product is already deployed with SBSFU and updates using Ymodem through the UART work fine.What I am trying to add on now...

Eugene G by Associate II
  • 1050 Views
  • 2 replies
  • 0 kudos

SBSFU - ECCKEY and AES Key

Hi,I have a bit trouble understanding the two keys in the SBSFU and which pairs is actually used. From AN5056, chapter 5 there is stated how to generate the two different methods and the AES key I could successfully adjust. With the ECCKEY method and...

0693W00000JMeQYQA1.png
STsch.1 by Associate III
  • 778 Views
  • 1 replies
  • 0 kudos

Resolved! Can I use Trustzone with DBANK=0 ?

The examples in CubeU5 package always states to activate dual bank mode, when using TrustZone. Can't you use single bank mode and just allocate specific sectors to be secure?Is it possible to use TrustZone without dual bank? Some types don't have it....

LBöhm.1 by Associate III
  • 599 Views
  • 1 replies
  • 0 kudos