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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How to arrange encrypted key data in call to FUS_STORE_USR_KEY

AN5185 specifies that encrypted keys should use AES-128 GCM, but the format of data sent to FUS isn't very well specified:Byte0: key type:• 0x00: None• 0x01: Simple key• 0x02: Master key• 0x03: Encrypted keyByte1: key size N in bytesByte2 to ByteN-1:...

crwper by Senior
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Resolved! Flash Secure Firmware from Linux host without Tera Term

I build SBSFU using X-CUBE extension for STM32F769I-DISCO. Flashed the "SBSFU_UserApp.bin" file using STM32CubeProgrammer. Now I need to send UserApp.sfb file via YMODEM without using Tera TermI used,stty -F /dev/ttyACM0 115200 sb UserApp.sfb >/dev/t...

MdFayaz by Associate III
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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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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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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...

_legacyfs_online_stmicro_images_0693W00000bhxEVQAY.png _legacyfs_online_stmicro_images_0693W00000bhxE6QAI.png
PYada.1 by Associate III
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