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Here's a start (hint: they're not "unhackable" nor are they actually "guaranteed by the laws of physics") https://twitter.com/hashbreaker/status/68911548026781

by mtgx 8y ago

Here's a start (hint: they're not "unhackable" nor are they actually "guaranteed by the laws of physics") https://twitter.com/hashbreaker/status/689115480267816960 https://twitter.com/hashbreaker/status/689115480267816960 https://arxiv.org/abs/1803.04520 https://arxiv.org/abs/1803.04520

OscarCunningham 8y ago
Everything that paper says is true, but it's also incredibly obvious. It just points out that it's impossible to rule out side-channel attacks at the endpoints. If Eve has powerful enough equipment then she can just read the secret out of Alice's brain before Alice even types it into her computer. I don't think anyone saying or hearing the claim that quantum protocols are "guaranteed by the laws of physics" understands it to mean that the protocol protects against that kind of attack.