STM32 MCUs Security

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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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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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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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How many Public Keys we can store in Secure Boot. As per understanding from SBSFU examples, we can store only one public key to verify the signature of firmware. Can't we store more than one KEY ??

We want to store up to 4 Public Keys as backup, in case of any exploit in one KEY, we can switch to another.So, Can you provide any solution to store more than one Public KEY in SBSFU solution??

SPati.7 by Associate III
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Run issue after setting RDP to level 1 (POR and reset)

Hi,For production purpose we designed a control board for the test jig which does unitary and RF testing as well as the programming of onboard SoC and MCU, the STM32 target in this case is an STM32F411CEU6, the test jig control board is also based on...

HBida by Associate III
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  • 2 replies
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Resolved! How to disable SRAM1 firewall protection?

I am using the SBSFU project for OTA.I have linked my UserApp successfully with SBSFU projects and firmware up-gradation is working fine when FIREWALL protection is disabled.I am using the STM32L4 series controller and am aware of L4 series firewall-...

Brajp.1 by Associate II
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  • 9 replies
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