@SecureOwl I think about this a lot. I don’t really know the problem space, but wouldn’t it be somewhat trivial to implement a car remote with a public private key pair or some kind of solution like that? I’ve never understood why it’s hard to make this problem go away.
@andrewfeeney @SecureOwl most car remotes use rolling codes, making basic relay attacks inoperant.
The vast majority of attacks are with buttonless keys, where the thieve use an amplifier to make the key automatically open a car at a higher distance (eg. when the key is behind the front door of the house)