SEGGER’s STM32-SFI Flasher Commander secures firmware right up to the target

15th November 2023
Paige West

SEGGER has announced the introduction of the STM32-SFI Flasher Commander, a complimentary command line interface (CLI) tool, designed to support the Secure Firmware Installation (SFI) feature from STMicroelectronics.

In the production process of SFI-enabled STM32 microcontrollers, the intellectual property owner sends encrypted firmware with the corresponding firmware decryption key to the facility programming the microcontrollers. The decryption key is securely stored on a Hardware Security Module (HSM). This process is applicable to contract manufacturers or distributors responsible for mass programming of devices for delivery.

At the programming facility, the STM32-SFI Flasher Commander works in conjunction with SEGGER's Flasher PRO, PRO XL, or Compact in-circuit programmers. It facilitates the transfer of the encrypted firmware image and the encrypted firmware decryption key to the target microcontrollers.

Dirk Akemann, Marketing Manager at SEGGER, commented on the collaboration: “As an active member of the ST Partner Program, we are happy to contribute reliable production tools for our mutual customers that fully embrace the specific production process of SFI-enabled STM32 microcontrollers. Our aim is to always ensure that customers, ST’s and ours, have the safest and most secure programming experience possible.”

SEGGER is set to showcase the new STM32-SFI Flasher Commander at the productronica event in Munich, Germany, from 14th-17th November, at booth A1.174.

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