I have been using the Arduino IDE to create sketches for the ESP32, this is great, however I am looking for a method to upload encrypted binaries to an ESP32 that it can decrypt then flash. Is this a possibility? Has this been done? Initially I was thinking put a private key in the binary to flash, ...

What are all the differences with the new ESP32-WROOM-32E compared to the ESP32-WROOM-32D?
Is the only difference the ESP32-D0WD-V3?
Are there any notable differences with the V3 Chip?