STM32 MCUs Security

Ask questions and find answers on STM32 security frameworks and tools, including cryptographic libraries, TrustZone, and the Secure Manager.

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Resolved! CMOX - ECC - EDDSA no append/update function

How can it be, that the CMOX library implements `append` functions for hashes (like cmox_hash_append) but the equivalent for verification or signing of ECC algorithms does not exist?How should we check the signature of a 10 MB update package on a dev...

TNeub.1 by Associate III
  • 185 Views
  • 3 replies
  • 0 kudos

Start Securing Features with STM32H533

Hi, I would like to work with the security features of STM32H533RE microcontroller. For that,1.Do I need to enable anything or install any libraries files in order to work with it.2. If there is any example projects available?3. The path for Installa...

Keerthi by Associate II
  • 2440 Views
  • 3 replies
  • 1 kudos

SBSFU - Updating ECC public key in runtime

Hello,I would like to replace ECC public key in SE_Key_region_ROM region from my application in runtime. My device has no protection enabled (RDP, PCROP, WRP). I am able to read and write in the region via CubeProgrammer.I dumped the 256 bytes of SE_...

LucaZa by Associate
  • 230 Views
  • 3 replies
  • 0 kudos

Crypto Library - Source Code

Hello,We want to use the STM Crypto Library " X-CUBE-CRYPTOLIB" for a project at our company. Since we will only be using a portion of it, the question arises whether it is possible to customize the static ".a" file ourselves (to make it smaller) or ...

Resolved! H7 SBSFU DTCM usage

Hi All,Does the SBSFU reserve all of the DTCM in an H7 (stored state information, etc., expected to be stable across Core resets) such that the application shouldn't touch any of it after beginning execution?  The "Protected RAM ..." note in AN5056 F...