STM32 MCUs Security

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STiROT provisioning on stm32h533

Hello ST Community,I’m working on a project using STiROT with TrustZone on an STM32H533, based on the example STiROT_Appli_TrustZone provided in the STM32Cube_FW_H5_V1.5.0 firmware package for the STM32H573. I adapted this example to the H533 and gen...

lautiq by Associate II
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Resolved! postbuild for OEMiROT project H523

Hi, I have managed to extract the OEMiROT project from H533 into H523 and compiled it successfully using STM32CRYPTO library since H523 does only have limited cryptography accelerator. I have modified the flash_layout.h to match my application (which...

hakeila by Associate III
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  • 1 replies
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SHCI_C2_FUS_LoadUsrKey doesn't load AES1 key registers

Hi allI'm working on a STM32WB55 nucleo boardI'm designing a simple Signing procedureAt beginning I've try that every thing ok by using a hard codded key and now I want to switch on a key kept secure in FUS zoneI've load 2 256 bits AES keys into FUS ...

oga by Associate III
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STSAFE-A110

Hello All,,  I am using STSAFE-A110 with stm32f429zit6 for secure boot, I want sample code / library for the same. Also my another query is will I have to sign the firmware using openssl externally. can anyone provide me complete step to finish the s...

STM32WB55 CPU2 HardFault for unknown reason.

Hey guys, how are you?It's been a long time that i'm facing a issue with STM32WB CPU2, most of the times i just fix it without really knowing the cause of it. Basically what happens is after power-up CPU2 simply won't initialize on the first try. I h...

0693W00000Y8ZSRQA3.png 0693W00000Y8ZTjQAN.png
MBuen.1 by Senior
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  • 15 replies
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Resolved! SBSFU/TFM debugging on M33 (U5) with TrustZone

Hello,after being busy with some other stuff, we are finally back to face problems with secure bootloader integration.What we learned so far (our learnt points could be wrong and corrections would  be greatly appreciated):ST provides a very nice Cube...

bear2023R by Associate III
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Resolved! How to protect FW from copying on not original boards

Hello ST,We are developing device and we want to provide free FW updates if some bugs occurre. Updates will be flashed via DFU - usb communication. Currently we are using STM32F411CEU6.Can you recommend best options for protecting the FW from being c...

MartinL by Associate
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Resolved! Fail to read Ext flash after regression

Hello Community,i have followed the documentation on how to enable RDP-like product state flash protection in STM32H5 microcontrollers.https://community.st.com/t5/stm32-mcus/how-to-enable-rdp-like-product-state-flash-protection-in-stm32h5/ta-p/708082...

AES key storage in STM32WL33CCV6 and STM32WBA50KG

Hello,I will use the STM32WL33CCV6 as a wM-Bus gateway and the STM32WBA50KG for BLE 5.4 communications.We will encrypt these links with AES key.1) For STM32WL33CCV6 and wM-Bus, AES-128-CBC and eventually CMAC authentification will be used. It will be...

SamC by Associate II
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  • 1 replies
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