Glitching AES keys from an Arduino / ATmega with a camera flash

Building the RTL8125B kernel module for TrueNAS (FreeBSD) 12.2

Verbose engineering notes in creating a local, GPS synchronized stratum 1 time server with FreeBSD, BeagleBone Black, gpsd, and chrony.

Initial Setup

Verbose engineering notes in creating a local, GPS synchronized time source with BeagleBone Black, Buildroot, gpsd, and chrony.

Stefan Filipek

Researcher, tinkerer, hacker, nerd.

Get the Medium app

A button that says 'Download on the App Store', and if clicked it will lead you to the iOS App store
A button that says 'Get it on, Google Play', and if clicked it will lead you to the Google Play store