Revision as of 16:44, 27 February 2024 by Registered User (→‎What is SFIX)
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1. What is SFIX

OEM product can embed external Flash additionally to STM32 internal Flash. The SFIX solution provides security when programming STM32 devices and external Flash in a non-trusted facility owned by a Contract Manufacturer (CM). The SFIX solution is the same solution than the SFI solution that also allows the external Flash programming.

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For detailed on SFIX, please refer to AN4992 STM32 MCUs secure firmware install (SFI) overview

2. External flash memory encryption with global key

3. External flash memory encryption with chip unique key

4. References