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! Update keys used by the SBSFU

Hello,I am designing a firmware for an IoT that needs to be able to be updated securely. I decided to use the X-CUBE-SBSFU package. From a crypto point of view, the requirements are that:The firmware update needs to be confidentialThe firmware update...

BEnge.1 by Associate III
  • 1475 Views
  • 2 replies
  • 2 kudos

Resolved! Error on stm32h753 svd/sfr file in section CRC

I use STM32H7xx_DFP in last version 2.8.0 and in Keil uVision. There is shown some wrong addresses on the CRC registries. So I repaired it in svd file and generate new SFR file for STM32H753. If you need repair CRC view, I can send the sfr file to th...

MDost.1 by Associate
  • 891 Views
  • 1 replies
  • 0 kudos

Different PCROP data between ST-Link and ST-Bootloader

Hello,with a new never programmed stm32g031 chip I get different values for PCROP if the same chip is read with ST-LINK or with bootloader+UART.The CubeProgrammer version is 2.7.0Which is the reason for that?Thank you

S-.1 by Associate II
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  • 5 replies
  • 0 kudos

ST Controller Requirement with Secure Boot

We are working on one of the project there is a requirements to develop small adaptor card to support new external module with I2C interface (Current Host module support only SPI interface).We are looking for low cost basic Microcontroller from ST fo...

PMeth.2 by Associate II
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  • 2 replies
  • 0 kudos

Resolved! SBSFUv2.5 and STM32CUBE-IDE

I am trying to build the 3 components that comprise the "2 Images" variant of the SBSFU v2.5 package. This requires building the following components: 2_Images_SECoreBin   - 2_Images_SBSFU     - 2_Images_UserApp The SBSFU package does not, however, c...

RKher.1 by Associate III
  • 858 Views
  • 2 replies
  • 1 kudos

STM32F103 read out protection

Hello all,I have developed a code for stm32f103, which works fine.During code execution, some device configuration data is Read & written into flash (works fine).But when i enable read out protection, the code doesn't work.My understanding is that wh...

sanju by Senior
  • 2827 Views
  • 3 replies
  • 0 kudos

Hello, I have a project that i have imported but when I try and build it i get this error. Any help would be appreciated as I am new to STM32CubeIDE.

16:11:04 **** Build of configuration Debug for project 16174prog07_2_Images_SECoreBin ****make all "../../prebuild.sh" "../.."../../prebuild.sh: cd: line 12: can't cd to C:/Users/michael/STM32CubeIDE/Integ/Docs: No such file or directoryprepareimage ...

MHarr.8 by Associate II
  • 1850 Views
  • 6 replies
  • 0 kudos

Resolved! SBSFU and Firmware Encryption

I'm currently investigating SBSFU options for STM32 and it seems like the base package incorporates authentication of the firmware based on on digital signatures (ECDSA, edDSA etc.) but does not incorporate firmware encryption. I have an additional r...

RKher.1 by Associate III
  • 969 Views
  • 2 replies
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STM32F439 AES TCP/IP Encrypt Problem

Hello Dear Friends! I use STM32F439 MCU and it has AES encryption peripheral. I tried to encrypt data in the format of uint32_t and it encrypted data and I tested it successfully on online tools. However, I wanted to encrypt data in the format of cha...

Resolved! x.509 support in CryptoLib 4.0?

I was looking over the example projects that come with CryptoLib v4.0 in the package en.STM32CubeExpansion_Crypto_v4.0.1 for examples related to X.509 certificate handling and was not able to find anything in that regard. I wanted to confirm whether ...

RKher.1 by Associate III
  • 1099 Views
  • 2 replies
  • 0 kudos