All Questions
4 questions
1
vote
2
answers
160
views
Stm32h743 write protect, Bootloader lock and RDP
I am trying to understand how you can lock an Stm32h743 so it can't accept unauthorized firmware while having physical access to it via USB and BOOT0 pin is tied to ground (meaning it always boots to ...
- 117
0
votes
0
answers
20
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Assigning pins to the Secure context of a TF-M application
Unless I'm wrong, the architecture of the TFM application seems not to allow the assignment of a peripheral (e.g. a LED pin) to the Secure context of TrustZone as it is the case with simple TrustZone ...
- 1
2
votes
3
answers
632
views
SRM32H743 signed DFU updates
I want to implement signed software updates to my MCU. It is connected via USB and I am using the USB DFU to upload a firmware to it.
I want only signed firmware to be allowed to be uploaded to the ...
- 117
0
votes
2
answers
1k
views
Is it possible to protect smart card from being copied?
I'm currently working on SLE4442 smart card. I'm trying to make a payment system. but the card has to be "copy-protected" what I mean here is that if that data on the card is copied as it's, this data ...
- 101