STM32 MCUs Security

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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
  • 767 Views
  • 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
  • 1117 Views
  • 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
  • 504 Views
  • 5 replies
  • 0 kudos

TPM maximum NV storage size

Hello As in the title, for my project I'd like to know exactly what is the maximum storage capability/size of the device NV memory.The TPM used is ST33TPHF2XI2C.I wasn't able to find anything in ST documentation (datasheet, application notes).Waiting...

edopeter by Associate
  • 199 Views
  • 1 replies
  • 0 kudos

AES in STM32F423

Hello  for allIn last days i was begin to implementation AES to work on stm32f423I am using example in NIST Special Publication 800-38A to take key-128 bit, input data that plain text , encryption and decryption data.but nothing seems to work , when ...

mick by Associate II
  • 207 Views
  • 2 replies
  • 0 kudos

OEMiROT example flash protect sector problem

hello, I'm run a STM32H573DK in OEMiROT example.but following errors occured.[INF] TAMPER Activated[INF] BANK 1 secure flash [0, 15] : OB [0, 14][ERR] Unexpected value for secure flash protection so, I find why occurred this error.  In the ob_flash_p...

Choppa_0-1704185293412.png Choppa_1-1704187382348.png
Choppa by Associate II
  • 468 Views
  • 5 replies
  • 0 kudos