Comment on Commercial Flights Are Experiencing 'Unthinkable' GPS Attacks and Nobody Knows What to Do
Ajen@sh.itjust.works 7 months agoGPS is encrypted, it’s just that the US military won’t share the encryption keys so the rest of us have to use the unencrypted channels. They’ve clearly thought about it and decided against making it public.
grandkaiser@lemmy.world 7 months ago
If they shared the encryption keys, then it wouldn’t be safe from spoofing anymore. The whole point of encryption is to not share the keys.
Also, before someone tries to point out PKI, the satellites don’t use PKI. So that’s not relevant. You can’t share the current keys without jeopardizing the system.
Ajen@sh.itjust.works 7 months ago
PKI? I assume you mean asymmetric encryption? That’s been available long before the GPS system was launched. Why do you think it isn’t relevant?
grandkaiser@lemmy.world 7 months ago
The military didn’t design it for civilian use. That’s really all there is to it.
Ajen@sh.itjust.works 7 months ago
I’m the commenter you originally replied to. If the US military wanted unspoofable GPS available to everyone then it would be available to everyone. They only want the public to have unencrypted GPS, so that’s all we get.