STM32 MCUs Security

STM32L476RC microSD mmc FATFS problem

I've strange problems with my custom board with microSD card:The same code doesn't work if I run debug build and works well if I flash the realise. It gives error CRC. And the error is the same if I remove the card. It looks like that response did no...

STM32 Cryptographic Library Stack size

Hello Experts,​I am trying to integrate the "STM32 Cryptographic Library" to my application. The library name is "libSTM32CryptographicV3.1.3_CM4_GCC_ot_fpu.a".​How big is the stack size used by this library?When I used the library, RTOS got a hard f...

STM32 Crypto Library - Wrong ED25519 Signature?

I am trying to sign and verify messages with the STM32 CryptoLibrary and the ED25519 signing functionality.But the created signature is not the same as the created ED25519 signature created with the CryptoPP library.My code for generating a signature...

SBSFU failure during verifying FW SIGNATURE

Hi,I could successfully integrate the SBSFU feature to our application. everything goes well until I get a failure after swapping the images.FW signature is not getting verified and function SE_SP_SMUGGLE is returning SE_ERROR which is causing the er...

Is it possible to update firmware STM32F4 under SBSFU through USB, CAN or other mean of communication interface ?

Porting of X-Cube-SBSFU to Nucleo H745

Hello, I am looking to port one the examples from X-CUBE-SBSFU to get it running on my Nucleo H745ZI-Q. For some background I am very new to the world of STM32 and STM32Cube and I am trying to learn to get this feature running on this nucleo board I ...

Possible Deadlock in SBSFU while starting CPU2?

I'm in the process of integrating the SBSFU into a project.I got stuck when the decryption process seemed to hang.After I got the SeCoreBin symbols loaded I realized that it was waiting for CPU2 to become active (specifically while waiting for FLAG_W...

i am using stm32f401re, can i use random number generate function or is there any alternative way