STM32 MCUs Security

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Resolved! Secure firmware updates from USB Stick on STM32U5 - how to? (2)

@Guillaume K, @Jocelyn RICARD Since my previous question on the same topic (see here) I have reviewed probably all the MCUboot/TF-M-based solutions available for ST MCUs. There are currently four options that I am aware of:TrustedFirmware-M (TF-M) us...

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TDJ by Senior III
  • 2280 Views
  • 18 replies
  • 11 kudos

NetX secure TLS handshake time

hi all,I am trying to implement a TCP echo device on STM32U585 controller. here the TCP/IP communication is over ethernet as well as USB (CDC ECM). The communication channel is protected using TLS encryption.here am using NetX stack as the TCP/IP sta...

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sabari1 by Associate III
  • 933 Views
  • 5 replies
  • 1 kudos

SBSFU - writing to MODER stops UART

Hi There,               I am trying to get our product working using the SBSFU on our product.  The latest problem I have is that the UART works when the application runs standalone - i.e. our code within the user app using the ST link, however, when...

Resolved! IOTA L2Sec stream fails due to STSAFE setup error

Hello,I'm trying to run the X-CUBE-IOTA1 v3.0 on the B-U585I-IOT02A board, but after following the tutorial in UM2606 I get the following error when trying to send L2Sec Stream:What can be the reason of the pairing_stsafe result failing, please?Best ...

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SedCore by Associate III
  • 837 Views
  • 9 replies
  • 2 kudos

Example using STSAFE with Azue IoT

Hi,I'd like to ask if any example code for Azure IoT Hub group enrollment is available.I found examples for individual enrollment in X-CUBE-AZURE-v2-3-0 only.I try to follow the Just-in-time registration method and it fails when trying to connect to ...

neocnx by Associate
  • 434 Views
  • 4 replies
  • 0 kudos

SBSFU - FW too big

I am adapting the NUCLEO-H753ZI single-slot project to work on a NUCLEO-H745ZI-Q board.My development environment is linux and I am using minicom for the ymodem upload.When flashed, the binary seems to function perfectly, but when I corrupt the image...

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AKhri.1 by Associate II
  • 987 Views
  • 3 replies
  • 0 kudos

Port KMS to STM32H7A3

Hi experts,I need to implement the storage of a security key (upgradable) on STM32H7A3. After reading the example code of KMS under project B-L475E-IOT01A in x-cube-sbsfu, and a few posts in the forum (KSM support on STMH7  and 2-images-kms-port-to-s...

JQiao.1 by Associate II
  • 232 Views
  • 1 replies
  • 0 kudos

Resolved! AES peripheral works differently

I want to use AES peripheral for encryption in ECB mode (256). I am able to encrypt and decrypt on the same MCU, but if I compare the encryption results, the HW peripheral has a different result than the SW library AES.c or encryption in Python - the...

JR2963 by Senior
  • 683 Views
  • 8 replies
  • 2 kudos

Resolved! Cryptographic Library

Hi,I am currently using the M3_CryptoFW_RngHW_2_0_6.lib for MDK-ARM. However, I must adhere to this specific library version, and I now need it for IAR, meaning that the required library is M3_CryptoFW_RngHW_2_0_6.a. How can I obtain this version for...

ari_v2 by Senior
  • 358 Views
  • 2 replies
  • 0 kudos