Which encryption is best for protecting firmware ?
I am using STM32F0 , F1 , F4 series of MCU now i want to apply encryption for protecting my firmware so i want to know which encryption is best for this purpose?
STM32 MCUs Security
Ask questions and find answers on STM32 security frameworks and tools, including cryptographic libraries, TrustZone, and the Secure Manager.
Forum Posts
SBSFU project Failed to build UserApp
I am trying to build SBSFU V2.3.0 on STM32L496G-DISCOVERY board. I can build SeCoreBin and SBSFU. Flashed into board. All fine and it comes up over serial usb. However I am having trouble building the user app to exercise flashing. I am build...
SBSFU Software download issue
I have filled request form for X-Cube-SBSFU software. Later I get the download link.When I clicked the download link first I login with my account. There were not a downloda link in that page It seams Validating One day later When I login again Valid...
After calling AES_GCM_Encrypt_Finish, how do I obtain the correct Initialization vector for the next encrypted message?
I would like to extend the GCM example in STM32CubeExpansion_Crypto_V3.1.0 to be able to encrypt messages over a wired bus. Every message should contain an authentication. So the encryption of every message begins with AES_GCM_Encrypt_Init, and ends ...
Resolved! Download firmware by YMODEM failed at Linux
I build Projects "NUCLEO-G071RB" in X-CUBE-SBSFU and load "SBSFU.bin" into the board.After reset the board, I download firmware "UserApp.sfb" with SecureCRT by using menu "Transfer > Send Ymodem" , but it failed.I also try to use "Tera Term", it dow...
SBSFU jump into userAPP but userAPP main() not execute and hang
Hi,I am working on stm32wb55 NUCLEO Board.I run sbsfu default code and userapp run correctly.Now i replace userapp with my customize app with few feature enable and it's working fine.If i add further features(additional code) it hang after printing b...
New X-CUBE-SBSFU release
I've heard that the next x-cube sbsfu release would include a fix for the ymodem protocol, such that it can be used from linux, and that it would be released by end of July.Does anybody know when it will be released?
I'm trying to initialize an ECDSA 256 public key with the STM32 Crypto library following the example provided in the documentation, but I'm getting the error: ECC_ERR_BAD_OPERATION
EC key information:> openssl ec -in fake_key.pem -text -param_enc explicit -nooutread EC key Private-Key: (256 bit) priv: af:b9:... pub: 04:c0:ae:88:33:3d:a3:d9:ba:20:37:20:05:28:3e: 2a:eb:3e:44:c6:fb:57:08:cd:e4:f4:3e:f9:4d:a6: f0:29...
Resolved! XSBSFU package – I still haven't received one download-link
Good evening,I requested the download for XSBSFU package last week , but never received a conformation Email. Today I made another one request and got a conformation Email. I read that it might take up to 48h to get the link, which would be to late f...
Resolved! APPLI_region_RAM overflow!
Hi... there Hope all are doing well From past few days I'm playing with SBSFU with STM32 L4 Cell-01 Discovery board I'm using x-cube AWS default application with default settings of the linker fileIn demo code, I've added SDMMC with FAT fs, which is ...
