STM32 MCUs Security

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Resolved! Disabling TrustZone on the STM32H5

Hi,I have been experimenting with secure boot on the STM32H573I-DK, but I can't perform a regression anymore.While adapting the example code (OEMiROT) to my own version, I am currently in the situation where the device is "provisioned" (0x2e), but I ...

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jens-vdb by Associate II
  • 675 Views
  • 1 replies
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Why STMCU firewall can improve the security level?

I'm curious about the firewall, and want to know why firewall can improve the security level. It's easy to understand page 65 of UM2262, f1(), f2(), f3() can only be called from outside through call gate, my question is why it's more secure than call...

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HXiao.1 by Associate II
  • 860 Views
  • 3 replies
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Resolved! Key Generation and Secure Key Storage on STM32WL55

We are working on developing a host-module that requires two-way device authenticationThe controller we are planning to use is the STM32WL55 Series.We have the following Queries.1) Does STM32WL55 has a functionality to locally generate a certificate ...

nomancy by Associate
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  • 1 replies
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Resolved! STM32G0 Readout Protection questions

1.  If in RDP Level 1, can the SRAM be read?2.  If starting in RDP Level 1 and transitioning to RDP Level 0, is the SRAM erased?3.  Can the contents of SRAM be readout after the transition from RDP Level 1 to RDP Level 0? Thanks.

BrianB by Associate II
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  • 2 replies
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Resolved! Secure Memory

 In the STM32H573-DK BOARD,How to store the public and private key in secure part ?

SIVAOAS by Associate II
  • 479 Views
  • 1 replies
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Resolved! STMCryptoLib failures on STM32U599

The Issue When my bootloader jumps to the application all `AES_ECB_Encrypt_XXX` incorrectly encrypt/decrypt the data. Once the application fails to initialize too many times it will reboot due to watchdog and the ncrypt/decrypt will continue to fail ...

desmond by Associate III
  • 1908 Views
  • 10 replies
  • 1 kudos

SBSFU | Option bytes programming and OpenOCD

Hello all,Another question from SBSFU series.I'm wondering what are the available ways to clear option bytes?The option I was using so far was simply STM32CubeProgrammer GUI, but what if we don't have ST-Link on board and we have to rely on something...

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Resolved! Calling secure function from non secure area in TF-M threadx

Hi, need support. send_msg() is a secure area message of TF-M and I am calling it in non secure area via secure_nsc API.What I am observing here is that I am not able to call this function in _tx_initialize_kernel_enter() function after the call to T...

Nitin by Associate III
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  • 1 replies
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