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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Support required with SBSFU Implementation on STM32WB55

Hello ST Community,I'm currently working on a project using the STM32WB55 MCU and am in the process of implementing Secure Boot and Secure Firmware Update (SBSFU) in my custom application. As part of this, I decided to test the existing 1_Image_SBSFU...

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Sjain by Associate III
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Resolved! SBSFU example code

Hi ,i am using STM32L4R9 based dev board STLINK-V3MINIE and wanted to use SBSFU, used the example code STM32L432KC_Nucleo_1_image from the library and flashed the SECoreBIN followed by SBSFU and then the userAPP code, but while flashing userAPP ,i go...

Resolved! STM32F103VCT6 code read out protection

Hi,I have read datasheet of STM32F103VCT6, it does not mention anything about code read out protection. Does STM32F103VCT6 has this function? (a security function to protect STM32F103VCT6 from reverse engineering)Thank youDavid Kean 

ECC 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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  • 20 replies
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Resolved! Setting product state CLOSED without keys loaded

Hello,I have done a big mistake. I was testing a provisioning using the system bootloader. For that I have changed the provisioning batch files. As a result I have set the product state to closed, before the keys where loaded.  Now I can not connect ...

RomThi by Associate III
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  • 2 replies
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SBSFU for STM32H5

Hi Team,I hope this email finds you well. I am reaching out to inquire about documentation similar to UM2262 but specific to the STM32H5 microcontroller.We are currently working on a project that involves firmware encryption, decryption, and update p...

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Resolved! Are there any working examples using the CRC for MODBUS RTU? I cannot get a reasonable result out if the CRC device on the STM32L443

According to Wikipedia The MODBUS uses the CRC-16-ANSI also known as CRC-16-IBM. ​The normal hexadecimal algebraic polynomial being 8005 and reversed A001Initial value: 65,535.​Example of frame in hexadecimal: 01 04 02 FF FF B8 80(CRC-16-ANSI calcul...

KiptonM by Lead
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X-CUBE-SBSFU Partial Image Explanation

Hi All,I've got a question about the documentation and operation of the SBSFU partial image generation.The partial image feature of the image preparation tool is documented in the appendix of the getting started document here: https://www.st.com/reso...

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wwoolsey by Associate
  • 999 Views
  • 2 replies
  • 1 kudos