STM32 MCUs Security

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Resolved! STM32H503 cannot perform regression

Hello.  I am experimenting with securing a STM32H503 using password authentication, which will ultimately be an automated process.I created a simple password for testing and created the password hash in board_password.bin and da_password.bin(just for...

RGari by Associate III
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  • 9 replies
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Resolved! SFI without TrustZone on STM32U5 is possible?

I need to perform SFI on an STM32U599 MCU, so following the wiki article "SFI Step-by-step on STM32 boards" I prepared the firmware and programmed the HSM V2 smartcard.I'm sending the commandSTM32_Programmer_CLI -vb 1 -c port=SWD mode=HOTPLUG -sfi xx...

paolog by Associate III
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  • 7 replies
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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
  • 190 Views
  • 1 replies
  • 0 kudos

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
  • 443 Views
  • 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
  • 230 Views
  • 1 replies
  • 0 kudos