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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STM32H730 AES-GCM Tag issue

STM32H730, an invalid tag is generated for payloads that are not a multiple of 4, as described in Re: STM32U545 AES GCM Tag mismatch - STMicroelectronics Community.AES-CCM: no issues, everything works.AES-GCM:The HAL already handles required padding ...

GCern.1 by Associate II
  • 82 Views
  • 4 replies
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mbedTLS with support of TLS_1.3 STM32H743II

Hi,I'm using a STM32H743II.The product will communicate to server using the LwIP (TCP Layer) + MbedTLS (SSL/TLS Layer), running over FreeRTOS environment.We want to use the latest TLS protocol standard (TLS Version 1.3).We are currently using MbedTLS...

Jonas_A by Associate
  • 36 Views
  • 0 replies
  • 0 kudos

STM32H563VG chip cannot be erased

Hi,I'm using an STM32H563VG (1MB Flash version) on a custom board. I have a STLINK-V3MINIE connected and I'm using STM32CubeProgrammer.When I'm doing a full chip erase, the content of the flash memory is not altered, everything is still there when I ...

CClau.1 by Associate II
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  • 0 replies
  • 0 kudos

STM32H5 locking password

Hi We are developing a product that uses an STM32 microcontroller. In the microcontroller’s firmware, we have implemented a password that the user must enter at startup. If the user forgets the password, how will the program run? (Note: No software o...

buggy STM32H7S CRYP HAL

Hello,HAL driver for CRYP peripheral of STM32H7RSxx series generates invalid AES GCM TAG.According specs, header should be 0-padded to 16 bytes, but in the function CRYP_GCMCCM_SetHeaderPhase() the HeaderSize field is assumed to be expressed in words...

STM32H7S7: Configure OSPI + MCE

Hi,I am using the STM32H7S78-DK. I want to upload an encrypted application to the external 1-Gbit Octo-SPI flash memory connected to XSPI2.I am using the explanation in this video: https://www.youtube.com/watch?v=JxhKmVUB2Ws&list=PLnMKNibPkDnFQXYK0zt...

katja by Associate
  • 153 Views
  • 1 replies
  • 1 kudos