Ask questions and find answers on STM32 security frameworks and tools, including cryptographic libraries, TrustZone, and the Secure Manager.
Hi, I have a firmware I wan't to give already flashed protected by PCROP to a customer. Insidie my firmware I use some standart library functions line strlen(), vsprintf and some HAL functions to manage peripherals.What is the best way to call these ...
Hi everyone,I am trying to use the X-Cube-Cryptolib library to decrypt an array encrypted by an external application.The original data has been encrypted with the AES-GCM 128 using a key of 16 bytes and an IV of 1 byte.Now, I am getting an error wher...
Hi, We are using STM32u585 device on our board, we want to use a part of internal flash memory for permanent data storage. Please clarify the following. 1)is it possible to use internal flash access using LevleX (non RTOS)?2)is there any reference a...
Intergrated USB in SBSFU for FW update, and adapting it to work with YMODEM protocol. Only half of the package is downlaoding to microcontroller. Getting error. I will highly appreciate for any help. = [SBOOT] STATE: HANDLE CRITICAL FAILURE= [EXCPT]...
When using the RAM self-test feature in X-CUBE-STL, I enabled the RAM backup buffer in the application by not defining STL_DISABLE_RAM_BCKUP_BUF. I also allocated a section in the scatter file:; 128KB DTCM RW_STL_TM_RAM 0x20000000 0x20 { ; Place STL...
I've downloaded archive "en.STM32CubeExpansion_Crypto_v4.0.1.zip", now I'm trying to install it in STM32CubeMX with "From Local..." feature, but I'm getting error. How can I install the library in CubeMX?Thank you.
Hi Team, I am working on project where we are implementing Secure upgrade feature using SBSFU package, we followed the steps as mentioned by ST community and to integrate SBSFU in our project. we have two modes Debug mode and Release mode.in Debug Mo...
Hello everyone,I'm experimenting PCROP activation on stm32h743 following this ST-tutorial: https://youtu.be/7Wr90XFA8_Q?si=tDpqUtMdin9Oyn-PThe activation works fine but i cannot disable PCROP using CubeProgrammer.I did a RDP1 to RDP0 regression with ...
Hello everyone,I've spent a considerable amount of time trying to change the default AES and ECDSA (ECCKEY1) keys, but I can't figure out why it always results in a 'Fw header authentication error' during the firmware image update process.The project...
The documentation I have says the Ethernet calculation with 0x4C11DB7... but I don't get results matching what I get from any other calculator. To remove any endianess or mirroring questions I've tried 0x00000000 and 0x66666666 (e.g.). All calculat...