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> You can also use cryptography in order to prevent spoofing. I think that's probably the biggest selling point given how many important infrastructures rely h
by zimpenfish 7y ago
> You can also use cryptography in order to prevent spoofing.
I think that's probably the biggest selling point given how many important infrastructures rely heavily on GPS these days.
- gnode 7y agoI agree, although I'm not sure whether it's ever been implemented for public use. You get anti-spoofing naturally if you're just using secret symmetric encryption (if your adversary doesn't know the key, they can't generate a valid signal to trick you with). To prevent spoofing against the public, you'd need to make use of public-key cryptography.