STM32 MCUs Security

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Resolved! STM32U585: AES GCM Tag mismatch

Good afternoon,we are facing issue with AES GCM Tag generated with STM32U585.In particular we compare the results generated by the microcontroller with the ones generated by an application developed with C#.This is the code running on the microcontro...

SafeDev_0-1739541887725.png
SafeDev by Associate II
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  • 15 replies
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STM32F030F4P6 option byte programming

Can recognize the chip, but can not burn and read the flash problem. In this case, is the chip broken or the chip locked? There is also a case that the chip can be identified as burning, but it cannot run the normal working program

External Flash Loader with Secure Flash

In my project, I intend to use an external serial flash to hold UI assets as recommended by TouchGFX.I have followed this: https://community.st.com/t5/stm32-mcus/how-to-implement-and-use-your-own-external-flash-loader-an/ta-p/597752 but I only get fl...

RW3562 by Associate II
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  • 4 replies
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Resolved! STM32U5 - SBSFU

Good Morning,I am working on the Secure Boot using STM32U5 with this repository : https://github.com/STMicroelectronics/STM32CubeU5/tree/main/Projects/B-U585I-IOT02A/Applications/SBSFUI am trying to add a kind of "Dev. Mode" which authorise the boot ...

lotou by Associate
  • 184 Views
  • 1 replies
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Resolved! Certificate chain

Hello there,I am practicing with the STM32H573I-DK demo board, STiROT demo project and the chain of certificate feature.I have built a chain of certificates as described in https://wiki.stmicroelectronics.cn/stm32mcu/wiki/Security:How_to_start_with_S...

CRE by Associate II
  • 279 Views
  • 3 replies
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How to replace .obk for STM32H523

Hi, I have locked out my MCU. I generated a Debug Authentication file with certificate (DA_Config.obk) and provisioned that into the MCU. However, I think I have regenerated a private key without regenerating a certificate. I am no longer able to do ...

hakeila by Associate III
  • 504 Views
  • 7 replies
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STiROT provisioning on stm32h533

Hello ST Community,I’m working on a project using STiROT with TrustZone on an STM32H533, based on the example STiROT_Appli_TrustZone provided in the STM32Cube_FW_H5_V1.5.0 firmware package for the STM32H573. I adapted this example to the H533 and gen...

lautiq by Associate II
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  • 2 replies
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Resolved! postbuild for OEMiROT project H523

Hi, I have managed to extract the OEMiROT project from H533 into H523 and compiled it successfully using STM32CRYPTO library since H523 does only have limited cryptography accelerator. I have modified the flash_layout.h to match my application (which...

hakeila by Associate III
  • 342 Views
  • 1 replies
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SHCI_C2_FUS_LoadUsrKey doesn't load AES1 key registers

Hi allI'm working on a STM32WB55 nucleo boardI'm designing a simple Signing procedureAt beginning I've try that every thing ok by using a hard codded key and now I want to switch on a key kept secure in FUS zoneI've load 2 256 bits AES keys into FUS ...

oga by Associate III
  • 377 Views
  • 2 replies
  • 0 kudos