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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Resolved! Setting up EEPROM emulator for STM32L

I'm trying to use EEPROM emulation API in a project. I have downloaded the expansion package. Based on AN4894 I need core and porting to be included in my project so I copied them under a new directory in Middleware and included the path. Then added ...

MHoss.1 by Associate III
  • 1380 Views
  • 3 replies
  • 2 kudos

Resolved! Does X-CUBE-CYRPTOLIB support stm32H7?

Hi All,I am using X-CUBE-CRYPTOLIB for AES ECB encryption/decryption on STM32H7 micro and using the F7 example code and library(libSTM32CryptographicV3.0.0_CM7_GCC_ot.a), provided in the crypto package. But the comparison of encrypted message fails w...

smast by Associate
  • 1379 Views
  • 4 replies
  • 0 kudos

I am trying to get AES CBC decryption to produce the original input message as went into AES CBC encryption. I'm not getting it.

I have created a simple function to encrypt a message using the AES CBC flow suggested in the documentation (AES_CBC_Encrypt_Init, AES_CBC_Encrypt_Append, AES_CBC_Encrypt_Finish), and then using the same flow to decrypt (AES_CBC_Decrypt_Init, AES_CBC...

AWell.1 by Associate
  • 999 Views
  • 0 replies
  • 0 kudos

Read out protection

I am using bootloader to update my firmware and I am using dual bank to update code. When I working on bank 1, new code sending to bank2 after reset I am starting bank2 successfly, but I want to use Read Out Projection in my MCU.If I use Read Out Pr...

DCtech by Associate II
  • 595 Views
  • 3 replies
  • 0 kudos

STM32H7 Hardware CRC32 algorithm

We have two microcontroller, one is the STM32H7 and another one without hardware CRC (need to be software CRC through an algorithm).I use SPI communication with this hardware CRC32 and I would like to know the software algorithm able to have the same...

ADejo.1 by Associate II
  • 2113 Views
  • 7 replies
  • 0 kudos

Resolved! STM32L151CC with OPTVERR = 1

I'm trying to enable the OB_RDP_Level_1 for a STM32L151CC but It fails. The MCU becomes bricked. I can't even boot to DFU. I need to first start ST link utility and set read out protection level 0, and then do a chip erase. But I noticed that bit OPT...

MSipo by Senior II
  • 1012 Views
  • 2 replies
  • 0 kudos

Resolved! SBSFU with embOS (user app)

Hi everyone,I have a problem about the integration of the SEGGER embOS RTOS with SBSFU.I have already succeeded with FreeRTOS but I would like to use embOS for my project. The "SECoreBin" project compiles well, I added the instruction to deactivate t...

THugo by Associate II
  • 902 Views
  • 4 replies
  • 0 kudos