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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Unable to flash OEMiRoT application using STLink-V2

Hi,I'm developing a secure boot application for STM32H563ZI microcontroller. I started with a very simple application following ST template code and tutorials like this one: https://wiki.st.com/stm32mcu/wiki/Security:How_to_start_with_STM32CubeMX_OEM...

Resolved! NUCLEO-G474RE locked after SBSFU option bytes change

Hello everyone,I am trying to implement SBSFU (Secure Boot Secure Firmware Update) on NUCLEO-G474RE using STM32CubeExpansion_SBSFU_V2.7.0.Initially, everything was working fine and I was able to program the board normally.What I didI followed the SBS...

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RogueOne by Associate
  • 202 Views
  • 3 replies
  • 1 kudos

Resolved! STM32H52 secure/non-secure RAM partition

Hi,based on the ST example where the 640kB RAM is splitted into 2 * 320kB for secure/non-secure application, I want to change this to 32kB/608kB for secure/non-secure app. After modification of the linker files for the secure/non-secure app, the non-...

Resolved! STM32H563 DA obk password calculation

I'm trying to understand how the HDPL1 is calculated based on an OBK file.I have dumped the contents of HDPL1 / 0x0BDF0100 and can see that for a 16 length password, I have 96 bytes written, as follows0x0BFD0100 to 0x0BFD0120, unknown calc, how is th...

_EFrie by Senior
  • 91 Views
  • 2 replies
  • 1 kudos

Where is STSAFE-A110 documentation?

I am currently working with the STSAFE-A110 and I have noticed a significant lack of documentation for those who need to implement or understand the driver logic.For instance, when generating ECC asymmetric key pairs, the official datasheet mentions ...

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parmi93 by Associate
  • 218 Views
  • 2 replies
  • 1 kudos

Resolved! STM32U375 PKA peripheral

We have a query regarding STM32U375 PKA peripheral.As per datasheet, the peripheral is available for this variant. Under the "STM32Cube/Repository/STM32Cube_FW_U3_V1.2.1/Drivers/STM32U3xx_HAL_Driver/" we can also see that stm32u3xx_hal_pka.c and stm3...

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Resolved! How much memory CMOX_PQC_ML_DSA_44_DET_SIGN_ALGO needs ?

I have a project which runs fine using CMOX_PQC_ML_DSA_44_DET_SIGN_LOWRAM_ALGO but I would like to see how much faster I can get with CMOX_PQC_ML_DSA_44_DET_SIGN_ALGO. When I use it, cmox_pqc_dsa_sign returns 0x9000c, which apparently means "Not enou...

acapola by Associate III
  • 114 Views
  • 2 replies
  • 1 kudos

Can't enable PCROP on STM32H7

I try to enable the PCROP Feature on a STM32H753I am using the STM32CubeProgrammer and connect via ST-Link V2After connecting, I go to the "OB" page and set the PROT_AREA_END1 value to 0xFFF and activate the DMEP1Then I press the "Apply" button and t...

Moritz1 by Associate III
  • 71 Views
  • 1 replies
  • 1 kudos