ESP8266 signed binary

Is there any information about how to generate signed binary firmware for secure OTA updates for ESP8266 using PlatformIO (I’m using it with VSCode)? Any pointers would be appreciated!

Reference: esp8266: flash compiled and signed firmware (.bin) – 1 – Renzo Mischianti

You can execute the same instructions as the Arduino IDE would for signing the binary.

Automating this is still an open issue per

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