STM32 MCUs Security

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ECDSA Signature Failure

Reference: STM32CubeExpansion_Crypto_V4..1.0, MCU: STM32G474REThe cmox_ecdsa_verify(...) function is failing with a fault code of 0x6c706, which is not contained within cmox_ecc_retvals.h header file. All arguments to the cmox_ecdsa_verify(...) funct...

rrooyen by Associate III
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SBSFU - writing to MODER stops UART

Hi There,               I am trying to get our product working using the SBSFU on our product.  The latest problem I have is that the UART works when the application runs standalone - i.e. our code within the user app using the ST link, however, when...

Is it possible to set the option bytes in my firmware?

Hello everyone,I must start a production of PCBA which use the MCU STM32G474QET6 and I need to protect my firmware, I want to set the read protection at Level 1. Is it possible to set that option byte in the firmware when I flash the firmware?Thanks....

AAles.5 by Associate
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  • 1 replies
  • 0 kudos

STM32 Pmbus Crc Integration

Hi i have a STM32G474. I want to build a pmbus on that.  The stm has a default CRC32 module.In pmbus for the pec calculation crc8 is using. Can i change my default crc32 module to crc8 for the usage on pmbus?

gunccc by Associate II
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Enquiry on STM32G4

Looking for the MCU specs with the following key requirements:              - 24 IO : 8 input, 8 outpt, 8 x LEDs              - secure boot features              - hardware reset - backline support – CAN Bus communication at 5VCan STM32G...

WRITE_REG macro not working

I'm currently trying to use the CRC peripheral on an STM32G474, and when running HAL_CRC_Calculate(), the computed checksum is always zero. Doing some debugging into the HAL_CRC_Init() function, I've found that when the WRITE_REG macro is called, no...

0693W00000WI9NhQAL.png 0693W00000WI9PEQA1.png
DPard.2 by Associate
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  • 1 replies
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Why STM32G484QETx is getting locked ?

STM32G484QETx is getting locked because of wrong configuration in secure boot and secure firmware update. Kindly suggest me the right configuration along with code and examples. I am attaching a pdf for your reference.

Tshad.1 by Associate
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  • 2 replies
  • 1 kudos