STM32 MCUs Security

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Resolved! STM32L5 secure access to non-secure flash block read as zero. Is it an architecturally specified behavior or just an MCU specific behavior?

I am currently experimenting on stm32l562e-dk board, and I discovered that, in the secure world, non-secure flash cannot be read via a secure memory region (i.e. not covered by any of the SAU regions). To be specific, value of zero is read.I am wond...

WChoi.4 by Associate
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  • 1 replies
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Huge user application binary file

Hello everyoneSo I've managed to build MY user app, where a lot of things programmed alongside sbsfu support.But the binary file is simply huge - 134 MB! How comes?Also, sfb file does not get generated. May it be connected to disabled security define...

leeana by Associate III
  • 390 Views
  • 1 replies
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Resolved! STM32L496 header missing Hash peripheral definitions

It looks like STM32L496xx.h does not have the hash peripheral definitions in it. e.g. The STM32Cube_FW_L4_V1.16.0 examples for STM32L496 HASH peripheral are all configured to use the STM32L4A6xx. Does ST have a plan to update STM32L496xx.h?, or Is...

jrgert by Associate III
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  • 3 replies
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Resolved! Undefined reference to __ICFEDIT_SE_Key_region_ROM_start__

I am trying to merge UserApp example into my existing project. Everything goes fine, except for the error mentioned in the title. I've checked that include list is identical to UserApp example, as well as Linker->Miscellaneous->Other flags. What am I...

leeana by Associate III
  • 651 Views
  • 4 replies
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FreeRTOS with SBSFU is not working

I am using the STM32L562E-DK development kit. I have taken reference to NUCLEO-L552ZE-Q and ported it for STM32L562E-DK. Also added External OSPI flash. without FreeRTOS it is working fine.I have added FreeRTOS in the nonsecure application. For that,...

PYada.1 by Associate III
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  • 24 replies
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Resolved! How to call SecureEngine functions from my application?

Hello guys!How are u all?I'm having few issues to develop self-test on my application. I setup everything from the SBSFU side to check image handling flags, and its working fine. I'm able to set my new firmware to self-test state and check the state ...

MBuen.1 by Senior
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  • 5 replies
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STM32L562QEI6 enter Boot through USART interface

Hello,I have a system with one STM32L562QEI6 and one STM32F405RGT6, that is the main MCU.They communicate with USART interface.In the main CPU, boot0 and boot1 pins are phisically connected to VCC or GND through some resistors, so I can enter boot mo...

MFail.11 by Associate II
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  • 7 replies
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