STM32 MCUs Security

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Hello, I am trying to implement the HKDF algorithm to generate a secret key, and I found a link containing an example of HKDF implementation ( you will find link below in details) but unfortunately, the code is incomplete and I have a few questions.

the link : https://wiki.st.com/stm32mcu/index.php?title=Security:How_to_implement_HKDF_with_the_Cryptographic_library&oldid=11796&diff=prev#HKDF_implementation_example_using_HMAC-SHA256_Cryptographic_library_services .my questions is first, once I ad...

WYous.1 by Associate III
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  • 0 replies
  • 1 kudos

STM32U5 Debug in RDP 0.5 With STM32CubeProgrammer

Hello,I am trying to start a debug session with STM32CubeIDE v1.11.2 on my board locked on RDP 0.5.I loaded a valid secure firmware which jumps into the non-secure firmware before setting RDP 0.5.I could connect STM32CubeProgrammmer and flash the non...

OOUES.1 by Associate
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SB and SFU

Hey guys, I want to perform a firmware upgrade over the air. And use a UART to connect to IoT device.I use stm32l431xx and it contains hardware for symmetric encryption. And the host device which sends the binary uses stm32l496 has SBSFU.So I have a ...

Vmere.1 by Senior
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  • 1 replies
  • 0 kudos

Resolved! LoRa packet with CRC error treated as valid

A packet with CRC error has both SUBGHZ_IT_RX_CPLT and SUBGHZ_IT_CRC_ERROR flag set.In stm32wlxx_hal_subghz.c, this leads to both RxCpltCallback() and CRCErrorCallback() being called.https://github.com/STMicroelectronics/STM32CubeWL/blob/main/Drivers...

HugoL by Associate II
  • 1061 Views
  • 1 replies
  • 2 kudos