CAN bus is in many ways too difficult to encrypt. (not that it can't be, it's just got way too small a packet size). Nothing prevents manufacturers from getti

CAN bus is in many ways too difficult to encrypt. (not that it can't be, it's just got way too small a packet size). Nothing prevents manufacturers from getting complicated though - eg "knock three times on this ID, then request info from this ID then .....". (example from an old Shadowrun netrunning campaign idea) I'm working in EV charging domain. EV chargers that comply with ISO 15118-20 may prove difficult to get working once more (due to key signature requirements). Otherwise, all should continue working as long as the charging protocol they use continues to be supported. And that said, the EV charge managing component should be replaceable.