STM32 MCUs Security

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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 III
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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
  • 263 Views
  • 1 replies
  • 0 kudos

Resolved! Secure Update via USB Stick (STM32H750) SBSFU / QSPI

Hello to all,I was wondering if there was a way to implement a secure update via USB stick using X-CUBE-SBSFU software.Moreover, the application software would be installed on external flash, custom bootloader immutable in internal flash.Maybe instal...

i2399 by Associate II
  • 852 Views
  • 6 replies
  • 3 kudos