Gregory's Server
@jasonkoebler not sure where you got this emergency brake part from, the train is supposed to release them when you're trying to run it, that's done correctly. the problem here was that, together with releasing the brakes, it wasn't sending power to the inverters, which power the engines.
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4 comments
@rysiek @selfisekai I've corrected the piece, this was my mistake. I dumbly assumed that 'emergency stop' signal corresponded to emergency brakes. Thanks for pointing out  @jasonkoebler thank you! Also, one more little thing: it's "Newag" or "NEWAG"; not sure where the "NewAg" capitalization came from. Good piece though, please don't take these little nit-picks the wrong way. Really enjoyed how 404media has been covering this.  @rysiek @selfisekai @jasonkoebler oh wow this talk is really good, what a fantastic reverse engineering job! |
@selfisekai @jasonkoebler yup.
Here's the full technical talk that goes into all the details:
https://media.ccc.de/v/37c3-12142-breaking_drm_in_polish_trains
And fun fact the ED78-010 train that was celebrating the Broken Compressor Day since December 21st, returned to work on January 1st, as expected:
https://www.rynek-kolejowy.pl/wiadomosci/noworoczny-cud-zepsuty-impuls-sam-sie-naprawil-1-stycznia-116803.html