STM32 MCUs Security

Resolved! YMODEM for SBSFU safe enough?

Hi,I have seen, that for the bootloader with just one image, it is only possible to use the YMODEM with UART for updating the firmware with the SBSFU. Now what I'm am concerned about is, that the YMODEM seems not to be very error tolerant. So, what f...

Resolved! AES_GCM Acceleration: Mismatch between Accelerator and MbedTLS & Header size forced to 1 by CubeMX

Hi,I am currently trying out the AES Accelerator of the STM32WB55, using the HAL. It is working fine on its own, but I am unable to get matching results to MbedTLS. So Ciphertexts and Tags generated by the Accelerator are not matching those generated...

Resolved! How to verify token generate by "psa_initial_attest_get_token"?

Hi,Please advise how to verify token generate by "psa_initial_attest_get_token".My test kit is B-U585I-IOT02A and test application is TFM.Thanks,QiZhang

Resolved! Looking for alternative mbedtls entropy source on STM32F103

Resolved! X-CUBE-SBSFU: Can you use non-secure boot? Also, can you update firmware using USART DFU?

Hello everyone,I have pretty uncommon question. I'm working on STM32WB with SBSFU, and I'm wondering, if it's possible to use non-secure boot with it? As far as I'm concerned, secure boot is enabled by default, but many security features can be disab...

Resolved! Not able to load UserApp (sfb file) using TeraTerm .The terminal is always stuck at the first block transfer.

Hello, I am new with NUCLEO STM32G4754 and trying the SBSFU examples (1 image). I can flash and launch the SBSFU but I can't load any user application (userapp.sfb)I use STM32 tools, Windows with the same result :I connect using Teraterm (on Windows)...

Resolved! HardFault when transfer control from BL to APP

Hi,Device - STM32H7B3I-DKProject - STM32H7B3I-DK\Applications\2_Images_ExtFlashHardFault when transfer control from BL to APP1) Last trace of codelaunch_application: /****************************************************** * return from exception to a...