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Not necessarily. All they have to do is roll a pub key into the update package. Same as any OTA update.
by bdavbdav 7mo ago
Not necessarily. All they have to do is roll a pub key into the update package. Same as any OTA update.
- dotancohen 7mo agoDo Tesla vehicles get VIN-specific updates?
- bdavbdav 6mo agoNot sure - if I was designing it, feels like it would be a good way of getting the right build to the right car so that all the HW versions of each module are in line.
- dotancohen 6mo agoI'd imagine that the update includes all the possible hardware, and the update script actually decides which components to use. Like apt on Debian or yum on RHEL.
- bdavbdav 6mo agoInteresting - just found this: https://www.pentestpartners.com/security-blog/reverse-engineering-the-tesla-firmware-update-process/ https://www.pentestpartners.com/security-blog/reverse-engine... Not had a chance to read it properly but definitely will be!
- dotancohen 6mo agoThat was an amazing read, thank you! It appears that the Tesla is running a full Ubuntu Linux distro. And here's a small quip to entice passers-by to read more: > With names ranging from “INDIFFERENT” to “SUICIDE_BOMBER”, there is a list of escalation strategies in the updater binary, which appear to be strategies for retries of downloads and user prompts on the UI.