STM32 MCUs Security

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Resolved! Regenerating OEMiRoT_Data.obk

Hi,While using the STM32Cube_FW_H5_V1.1.1 repository to explore secure boot on the STM32H5, I saw that the configuration file to generate OEMiRoT_Data.obk is missing. As I want to use my own keys and certificates for the OEMiRoT example application, ...

jens-vdb by Associate II
  • 4 replies
  • 1 kudos

Resolved! BOOT_LOCK not cleared?

Hello,RM0444.Rev5 page 98 says that it is possible to reset it only when:• RDP is set to Level 0, or• RDP is set to Level 1, while Level 0 is requested and a full mass-erase is performed.I supposed that if RDP is changed from level1 to level0 then th...

S-.1 by Associate II
  • 1 replies
  • 1 kudos

Resolved! RDP level2 isn't compatible with WRP

Hello,please I need a confirmation about RDP level2 and WRP combination on stm32g031 chip.Based on RM0444.Rev5 Table 19, if I use my own bootloader and I write-protect the flash sectors, I have to avoid activating RDP level2 or I'll loose the opportu...

S-.1 by Associate II
  • 4 replies
  • 3 kudos

Resetting an STM32H755 with secure area

I am building a secure bootloader on the STM32H755, but I've bricked a couple of boards now trying to get the secure areas working.I intended to use a "recovery" function on a button press to do a mass erase with protection removal. Then I can test e...

gpeh by Associate III
  • 19 replies
  • 8 kudos

Resolved! configuration of the Tamper pins

Hi all,One small doubt on the tamper configuration, is it possible to configure both active and Passive tamper in the Same project/API, or  both should be in different project/API. why this doubt is as Seed is not required for Passive tamper, so does...

meghasb by Senior
  • 5 replies
  • 0 kudos