STM32 MCUs Security

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SBSFU with wolfssl in stm32h7

Hi,I am trying to replace mbedTLS library with Wolfcrypt library for crypto operations in SECoreBin project of SBSFU. I was able to replace SHA256 related APIs. But the bootloader is crashing when I try to initialize wolfssl ECC key object under SE_C...

h_adi by Associate
  • 153 Views
  • 1 replies
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Resolved! STLINK JTAG Vulnerability when RDP2

Hi @Jocelyn RICARD GreetingsWe have a query from our support team"known vulnerability in the STM32U5 series related to the JTAG lock when using RDP (Readout Protection) Level 2." Is it advisable to proceed with this implementation, or should we consi...

PJose.4 by Senior
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  • 2 replies
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Resolved! STM32H750 External Flash Read Protect

Working on setting RDP (read out protection) on STM32H750.  We are using an external loader to be able to read from/write to external flash. The internal flash only contains a bootloader.1. Setting RDP to Level 1 doesn't prevent reading external flas...

SMoon.2 by Associate III
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  • 2 replies
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STM32H523RCT6 READ OUT PROTECTION LEVEL1

Hi ST Team,                   Currently i am using STM32H523RCT6 mcu for one of my project. In this i want to set the read out protection of level 1. Currently i am using below sequence to set the read out protection of level 1 protection..    // Unl...

Resolved! STM32U5 TrustZone enabled DMA problem

I am using STM32U585 and I stumbled upon the following problem:If a device is configured with TrustZone enabled (TZEN=1) there is different behavior in the following situations:1. SPI is configured without DMA and CPU is running non-secure code in pr...

milorad by Associate II
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  • 3 replies
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Identifying System Reset Causes in SBSFU on STM32U575

Hello,I am using SBSFU on the STM32U5 microcontroller, and I have implemented a function to determine the cause of the system reset by reading the RCC register flags. However, every time I enter the function, it always returns an 'unknown reset' valu...

AoP by Associate
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  • 1 replies
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how to configure SBSF in stm32l496

Hi, I am using stm32l496 for sbsfu. I followed the tutorial and it ran the example code but they gave me their scripts for that project. how do we make our own script for my project which converts project binary into .sbsf file? and how to configure ...