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! Where's the CRC and the size of the whole firmware application stored whenever a new application is flashed on to the System flash?

Does the controller perform a CRC confirmation check before running the application to check if the firmware is corrupted? If so, where does this happen; in the bootloader or the application itself? What does it do if the CRC turns out to be wrong? S...

Shivam by Associate II
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  • 4 replies
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Resolved! How do I calculate the SPI CRC-16 in C?

How do I calculate the SPI CRC-16 in C? I have an STM32F429 sending me SPI data. These are the SPI settings:How do I implement a CRC-16 check implemented in C (not using STM32)?It is 16-bit data with LSB first. Polynomial X1+X3

0693W00000NrJmMQAV.png
MSipo by Senior II
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  • 5 replies
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Downloaded Image verification failed status

Do we have any mechanism to know about Software validation check status ??in case of reset, SBSFU will check for validity of application, before jumps to it. And in case of fail, it won't launch application, The failure status, how can we know ??Do w...

SPati.7 by Associate III
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  • 7 replies
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Usage of PCROP and RDP in application

Greetings. I am developing a LoRaWAN application running on the STM32WL5, the application does work and makes use of the flash memory to store the application eui/network key (so that it is not necessary to recompile the firmware each time), the keys...

IFant.1 by Associate II
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  • 1 replies
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I am working on stm32h753zi sbsfu part. I am facing the swap issue, and attached the log below.

=======================================================================       (C) COPYRIGHT 2017 STMicroelectronics         ==                                  ==       Secure Boot and Secure Firmware Update        ===================================...

AFaya.1 by Associate III
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  • 1 replies
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Resolved! Flash Integrity CRC

I'm trying to piece together the post-build process for flash integrity check using CRC. I'm running on an STM32F777.So far I've been following:https://community.st.com/s/question/0D50X0000B9vdDC/how-can-i-calculate-crc-of-image-in-post-buildand htt...

Dfarr.1 by Senior
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  • 12 replies
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