STM32 MCUs Security

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Question on Trust Zone performances

Hi, I’m working on a STM32L552ZEQ.My goal is to generate a pair of RSA keys of 2048 bits using the Trust Zone.Before start using the Trust Zone, I wrote the code to generate the RSA key pair (of 2048 bits) without the Trust Zone, and the average time...

How to Lock STM32L5

I am using STM32L5, In our project, we want to create one script which will lock the bootloader option and enable RDP to 0xCC to disable JTAG.We are using the SBSFU example as a base and developed our application on it.In script Regration.bat, 0xAA R...

PYada.1 by Associate III
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stm32l562 secure fault occurs when running NUTTX

Nuttx operating system with stm32l562 board, compile the bin file of the board, and then according to the board directory, readme.txt in the operation through the TFM load the bin run, will give the following secure fault problem:[Sec Thread] Secure ...

星周.1 by Associate II
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Accessing Secure Area does not create secure fault

I am using TFM-SBSFU example provided in STM32L5.Secure Area 1 which is already configured as below.When I am trying to read 0x8012000 from non-secure application, I am getting secure fault. I want to add one Partition 0x807d000 of 4KB into secure a...

_legacyfs_online_stmicro_images_0693W00000bhxEVQAY.png _legacyfs_online_stmicro_images_0693W00000bhxE6QAI.png
PYada.1 by Associate III
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How to repartition SRAM while using trust zone

I am using the SBSFU example of "NUCLEO-L552ZE-Q" Projects.I have added my application code to the NON-Secure application project.When I see "Region_defs.h", in which nonsecure (NS_TOTAL_RAM_SIZE ) size is 192 KB whereas secure (S_TOTAL_RAM_SIZE)size...

PYada.1 by Associate III
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Resolved! How can i Disable Trustzone in stm32L5?

i am enable trust zone and I make one part as secure world and another part as a non secure world using (SECWM1, SECWM2) but forget to enable Dbank as (Dbank = 1) now I couldn't make any changes in option bytesmy question can I enable dual b...

jk.1 by Associate II
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