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! 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 Super User
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  • 1 replies
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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
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  • 2 replies
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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...

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STsch.1 by Associate III
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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
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  • 1 replies
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X-CUBE-CRYPTOLIB, is it necessary to request the software?

Hi,I'm working on a project that needs AES256 encryption, I requested the X-CUBE-CRYPTOLIB software, but it's being validated by STM32, my question is, why does this validation exist? Is there any criteria for them to make the software available? Wha...

VPatr.2 by Associate II
  • 645 Views
  • 1 replies
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