STM32 MCUs Security

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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
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  • 1 replies
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Issue with USB Virtual COM After SBSFU on STM32WB55RG

Hello everyone,My team and I are working with a custom board based on the STM32WB55RG. Due to limited pin availability, we need to use USB as a virtual COM port for serial communication. We successfully configured the USB Virtual COM and were able to...

G_P by Associate II
  • 456 Views
  • 6 replies
  • 4 kudos

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
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  • 2 replies
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STSAFE-A110

Hello All,,  I am using STSAFE-A110 with stm32f429zit6 for secure boot, I want sample code / library for the same. Also my another query is will I have to sign the firmware using openssl externally. can anyone provide me complete step to finish the s...

STM32WB55 CPU2 HardFault for unknown reason.

Hey guys, how are you?It's been a long time that i'm facing a issue with STM32WB CPU2, most of the times i just fix it without really knowing the cause of it. Basically what happens is after power-up CPU2 simply won't initialize on the first try. I h...

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MBuen.1 by Senior
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  • 15 replies
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Resolved! SBSFU/TFM debugging on M33 (U5) with TrustZone

Hello,after being busy with some other stuff, we are finally back to face problems with secure bootloader integration.What we learned so far (our learnt points could be wrong and corrections would  be greatly appreciated):ST provides a very nice Cube...

bear2023R by Associate III
  • 157 Views
  • 1 replies
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Resolved! How to protect FW from copying on not original boards

Hello ST,We are developing device and we want to provide free FW updates if some bugs occurre. Updates will be flashed via DFU - usb communication. Currently we are using STM32F411CEU6.Can you recommend best options for protecting the FW from being c...

MartinL by Associate
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  • 2 replies
  • 0 kudos