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...

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...

RDP regression from Level 1 to level 0

Hi teams,CPU: STM32U0Current RDP level: Level 1OEM1 RDP lock: Enabled.I had set the 128bit OEM1 key to the OEM key registers  [FLASH_OEM1KEYWyR ]accordingly, and the written OEM1 key values was verified using their CRC values by reading  OEM1KEYCRC r...

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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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  • 3 replies
  • 0 kudos