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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Resolved! TrustZone TFM Example Problems

We have a project where we're using a U5A5 MCU with trustzone enabled and we're currently trying to figure out how to flash without having to use the SAM card. I downloaded the example from ST and am trying to run through the  B-U585I-IOT02A TFM exam...

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JamesB by Associate II
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  • 4 replies
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Resolved! STM32L562 - AES-CMAC functionality?

Hello community,I need to use the AES-CMAC functionality of the STM32L562QE.The datasheet says that it is supported :But it seems that the reference manual doesn't say anything about CMAC functionality.Is there really a way to use the AES coprocessor...

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Adrian_ by Associate
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  • 1 replies
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Resolved! Debug Authentication Failed

My H5 DK board is in TZ-CLOSED state (after --sfi-flash), I am unable to put it in "Level 1/2/3 Intrusive Debug" state no matter what combinations of keys and certificates to use (including key_1_root.pem and cert_root.b64). Only Full regression work...

Thatseasy by Associate III
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  • 2 replies
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Resolved! Is it coming official update of SBSFU to support CubeMX?

Hello everyone,Now I'm developing an user application compatible with SBSFU on STM32CubeIDE.SBSFU itself is pretty nice, but I feel the development architecture and environment are a little bit old, like not supporting CubeMX.Fortunatelly, I succeede...

YUTA1 by Associate II
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  • 4 replies
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STM32WLxx DFU Error

Hi,I ported the SBSFU project to the LoRaWAN_AT_Slave routine, and tested DFU normally and it worked fine, but when I used the wrong file to upgrade, such as readme.txt, the upgrade process ran for a while, and then stopped, showed " Fw header authen...

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ethan2 by Associate II
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  • 3 replies
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Resolved! STSAFE-A110 STSAFEA_COMMUNICATION_ERROR on all reads

Hi,I ported example projects from en.x-cube-safea1\project\NUCLEO-L476RG for MbedTLS cryptolib for use on my B-U585I-IOT02A Discovery Kit. The STSAFE-A110 is powered correctly and NRESET is pulled high. It never errors on writes to the device, but al...

Resolved! STM32U585 - can't get SBSFU-example to work

Hi, I'm trying to adapt the SBSFU-Cube repository example for the B-U585I-IOT02A (STM32CubeU5\Projects\B-U585I-IOT02A\Applications\SBSFU, repository V1.7.0) to a custom PCB with STM32U585CITx. Since I don't have access to UART1 I changed it in com.h ...

Resolved! STM32H563: Unable to Regress or Debug Authenticate

Hello,(previous post was marked as spam - I don't know why, so I'm posting again...)I've been working on Provisioning my STM32H563 and after 3 weeks of not touching it, I am unable to perform Full Regression or Debug Authentication on my password-pro...