Can the Trusted Package Creator be used to prepare images for the SBSFU?
If not, what is the TPC used for?
Forum Posts
YMODEM transfer single file, then split into two files
I'm using YMODEM in TeraTerm to transfer my internal and external firmware and my goal is to make this a single file. I have already combined the two files into a .bin and when I transfer them via YMODEM, the transfer stops once it reaches the end of...
Hi everyone, I am trying to make a firmware update sequence for my product and have an issue with readout protection enable/disable.
MCU : STM32F415I enable readout protection successfully (customer requirement). Then in case of a new software update, I jump to the UART bootloader from my code. However, when in the bootloader I need to disable RDP. When I send RDP disable command ...
Error when jumping to user app
Hello everyoneSo I've managed to adapt and build my custom user app. Flashed it into the device.But it fails on startup somewhere between gpio and timers initializations in main().Console shows the following text:= [TEST] write 8 bytes @ Isolated cod...
Resolved! Hardware Semaphores for SBSFU in STM32WB
Hello guys,I've implemented SBSFU along side with an USB standalone loader for my project using a STM32WB. My question is, should i implement hardware semaphores and shci_notification for CPU2 during flash erasing and writing operations on my USB ext...
Resolved! Which Read Protection Level do you use to protect your IP ?
Obviously Read Protection Level 2 is the most secure in protecting IP on the G series MCUs, but in the worst case scenario it could involve unsoldering and replacing the IC. Do you use Level 2 or is Level 1 secure enough for most scenarios ?
Generate Hardware CRC from MCU and validate on other software system.
I have to generate CRC on MCU (STM32L476VG). I am using code as below for generating CRC.uint32_t HAL_CRC_Calculate(CRC_HandleTypeDef *hcrc, uint32_t pBuffer[], uint32_t BufferLength) { uint32_t temp = 0U; /* CRC output (read from hcrc->Instanc...
Is there any way to set write protect on flash memory for ever?
Hi,I want to block flash memory for writng after programming it. It is important that write protect should not be possible to deassert. I have read about RDP mechanism, but there is information that on level 2 write protection is permament, but only ...
How build example project for NUCLEO-L476RG on macOS Big Sur?
I am working through the Security MOOC and in section 6, they show how to build the NUCLEO-L476RG example project on Windows. Their procedure does not work for me on MacOS Big Sur.The most pressing problem is that when I try to build SECoreBin, I get...
