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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STSAFE-A120 / STSELib implementation

Hello,STSELib development is under progressToday (version 1.1.4), STSELib uses some services from STM32_Cryptographic library instead of interfacing STSAFE-A120 component (for example HKDF)Is there any development planning for STSELib giving availabi...

OEMiROT example flash protect sector problem

hello, I'm run a STM32H573DK in OEMiROT example.but following errors occured.[INF] TAMPER Activated[INF] BANK 1 secure flash [0, 15] : OB [0, 14][ERR] Unexpected value for secure flash protection so, I find why occurred this error.  In the ob_flash_p...

Choppa_0-1704185293412.png Choppa_1-1704187382348.png
Choppa by Associate II
  • 1981 Views
  • 6 replies
  • 1 kudos

PCROP activation with STM32G0B1

 Hello,My device contains both a bootloader and an application. I’m currently trying to protect the bootloader using PCROP on the STM32G0B1.As a first approach, I attempted to configure PCROP using STM32CubeProgrammer. However, this failed — once PCR...

pcrop_activation.PNG
AlexMs by Associate
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  • 0 replies
  • 0 kudos

Resolved! FW Signature check error due to hash mismatch

Hello @Jocelyn RICARD ,I’m integrating SBSFU v2.7.0 on an STM32WB55 to enable secure OTA firmware updates. I’m hitting a problem where the runtime hash verification fails: the hash computed by SBSFU at boot does not match the hash in the image header...

DenysK_0-1759246389237.png
DenysK by Associate II
  • 517 Views
  • 8 replies
  • 2 kudos

Resolved! How to enable the STM32 H series microcontroller from accessing read and write through debugger and USB for unauthorized user

To secure USB against unauthorized usage while maintaining regular operation, implement authentication and encryption for all USB communication, ensuring only authorized devices or users can access the interface for parameter and log management, open...

X-CUBE-SBSFU: Compiler Optimization Impacts

Section 6.1 of AN5056 (for X-CUBE-SBSFU) states that the projects are delivered with the highest level of compiler optimizations turned on for size aspects.If the Optimization Level was set to 'None', then how much larger is the generated code expect...