On Sat, Nov 10, 2018, 17:47 Alberto Bursi <alberto.bursi@outlook.it wrote:
Afaik there are companies that will ship you a pre-programmed SPI chip for most devices, for like 20 euros.
I used this one in the past http://www.bios-chip24.com/en_US but there are others too.
This is of course just as secure as getting it from some random guy on the internet (i.e. not that much).
It is as secure as downloading a BIOS image from the internet, except you're paying much more.