STM32 MCUs Security

Ask questions and find answers on STM32 security frameworks and tools, including cryptographic libraries, TrustZone, and the Secure Manager.

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RTOS on TrustZone MCU STM32U5

Hello Support Team.Good Day.We have chosen the STM32U585ZIT6Q (-40C to 85C, LQFP -144 pins, with trust zone core) controller for our product.According to the firmware architecture, we intend to create two separate partitions, one for safety-critical ...

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Resolved! Can I use secp192r1 with X-CUBE-CRYPTOLIB?

I have an application where I need to use ECDSA to check a signature using the secp192r1 curve. However, I don't see a clear define for this in cmox_ecc.h. Is this supported under a different name?

crwper by Senior
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  • 2 replies
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ST crypto library RSA usage error in Proteus 8 simulation

Hi there, I'm new to the STM32 MCU and simulating RSA encryption-decryption on Proteus 8 now. Currently I am using the x-cube-crypto and STM32F401RE-Nucleo to do simulation. The source code is from:nickfox-taterliIn the Proteus 8 I chose a board of S...

zlai.1 by Associate
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  • 1 replies
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Accessing Secure Area does not create secure fault

I am using TFM-SBSFU example provided in STM32L5.Secure Area 1 which is already configured as below.When I am trying to read 0x8012000 from non-secure application, I am getting secure fault. I want to add one Partition 0x807d000 of 4KB into secure a...

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PYada.1 by Associate III
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  • 1 replies
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STM32L4 readout protection RDP

Using STM32L452CC and STM32CubeProgrammer API v2.12.0 Windows 64-bits.Firstly, I'm setting the readout protection to its middle level (RDP = BB in the programmer) and then program the chip successfully. Then, letting the chip power cycle. Now reading...

IP.2 by Associate II
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  • 1 replies
  • 0 kudos

STM32WB55 - Change RDP level without POR

Hi,I am currently trying to change RDP level via firmware without a power reset (POR) on a NUCLEO-WB55RG (STM32WB55). I am facing the problem that after changing the RDP level a power reset is necessary. Without a power reset the device seems to get ...

sstel.1 by Associate II
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  • 3 replies
  • 1 kudos