tl;dr: Toyota started to use cryptographical signatures to block openpilot (and other hacks). Some smart people in the industry hacked the signatures for some cars, but not all cars. openpilot, in ...
Interdisciplinary Biomedical Research Centre, School of Science and Technology, Nottingham Trent University, Clifton Lane, Nottingham NG11 8NS, United Kingdom Interface and Surface Analysis Centre, ...