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! 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...

Resolved! STM32 AES GCM Tag mismatch

Hi,I am trying to send encrypted data between a C# application and STM32 in AES GCM mode.Currently, I am only doing encryption of a known test vector.Key and IV are both all zeros.AAD length is 0.My testvector is: 00 00 00 00 00 01 00 00 00 00 00 00 ...

Dimlite by Associate III
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STM32H573 code protection

How can the debug interface on the STM32H573 be permanently locked via nonvolatile configuration or fuse?The SBS chapter of the manual saysThe debug configuration can be locked thanks to DBGCFG_LOCK in SBS_DBGLOCKR.SBS_DBGCR is then no longer writabl...

abba by Associate II
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STSAFE-A120 Symmetric Decryption Support

Hello,We are working on an STM32F469/79-based device that uses SBSFU, which we are seeking to modify to use the STSAFE-A120 to perform the authentication and decryption algorithms.Section 2.7 of the STSAFE-A120 datasheet includes that the STSAFE-A120...

STSAFE-A120 Documentation

If, like me, you are attempting to use this device and believe there are gaps in the information available, you are correct. However, the information you seek, plus additional advice and assistance is available from ST, you simply have to ask via a t...

Secure boot resources

HelloDo I unterstand correctly that the recommended secure boot option for STM32L4 is SBSFU?It seems that the only resource on how to get started with examples is the playlist on YouTube where a non signed exe from google drive has to be installed.Is...

MC.5 by Associate II
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  • 0 kudos