STM32 MCUs Security

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Resolved! X-CUBE-SMBUS Middleware not supported for STM32F407

Is there any way to use the X-CUBE-SMBUS middleware from ST with STM32F407?The controller does support it but ST's middleware does not.Does anyone know why it would not be supported?The reason I say its not is because the HAL for it is not in the #if...

Nandan V by Associate II
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  • 2 replies
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STM32F207 RNG

Hello,I'm having trouble using the RNG peripheral on the STM32F207.I'm using the HAL functions to set things up and I keep getting back the same number. I've made sure to enable the RNG Clock. See the steps below:Enabled RNG CLK: __RNG_CLK_ENABLE()En...

Anvi by Associate III
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  • 11 replies
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Button input value always keeps floating

Hi all, I am using button input from separate input (Separate PCB). After I disconnect that PCB, SBSFU automatically goes into the Updating mode. Even I tried to do an internal pull-up but it also doesn't work. I tried two methods of internal pull-up...

Roshan by Associate III
  • 892 Views
  • 5 replies
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How to disable stm32g491 dual-bank mode

We were running tests originally with the g474re eval board to test/integrate SBSFU functionality. We needed to disable dual-bank mode with the STM32CubeProgrammer before being able to transfer via Ymodem. We are now trying on the g491 and are failin...

TDock.1 by Associate
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  • 1 replies
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Resolved! Memory limitations using SBSFU

Hello,I am developing a SBSFU for a custom application on a NUCLEO-H753ZI board. The application works well on its own. However, when I switch its linker script for the one of the example UserApp delivered with the SBSFU archive, I encounter some une...

EBonv by Associate III
  • 1424 Views
  • 8 replies
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Resolved! PCROP deactivation in STM32H7

I am working with STM32H750VBT6 rev. V. I divided the internal flash into protected and unprotected areas. I set option bytes for the protected area. It worked fine. After that I needed to deactivate PCROP protection. I could not do it. I use STM32Cu...

BEvge.1 by Associate II
  • 780 Views
  • 1 replies
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I am learning about X-CUBE-AWS examples, when update from OTA, I get a SIGNATURE CHECK FAILED exception, somebody can help me to resolve this problem?

I download X-CUBE-AWS 1.4.0 to compile and install on my STM32F769IDISCOVERY board, everything running ok, but when I configure it to update new app version from OTA, after reboot is shows:= [SBOOT] SECURE ENGINE INITIALIZATION SUCCESSFUL= [SBOOT] ST...

saico by Associate II
  • 541 Views
  • 2 replies
  • 1 kudos

Resolved! Cryptographic Acceleration STM32F207

Hello,The reference manual for the STM32F207 states that the F20x and F21x family has a cryptographic processor: Ref Manual - Page 508. The datasheet for the F207 doesn't state any support for that though. Is this a mistake in the reference manual?Th...

Anvi by Associate III
  • 498 Views
  • 1 replies
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I am very very new in MPUs / MCUs and IOT. What product should I try for cryptographic operations like AES or Diffi Hellman and also for storing keys securely in device.

Hi, actually I 'm planning to write some C code for cryptographic functions for e-signature, encrypt data or decrypt data in IOT devices.There are lots of products here. So I don't know which one is efficient for encrypt or decrypt operations or sign...

OISLE by Associate
  • 399 Views
  • 2 replies
  • 1 kudos