Comment It's 4 not 40 (Score 0) 144
From the article:
"This sounds pretty cool. But it has a very large problem: if any four devices conspire, they can break the security of the system.
To see how, let's do an example. Suppose that Alice, Bob, Charlie, and Diane conspire, and that the conspiracy wants to figure out the secret vector of some innocent victim, Ed. Ed's addition rule is "[1]+[4]", and his secret vector is, of course, a secret."
"This sounds pretty cool. But it has a very large problem: if any four devices conspire, they can break the security of the system.
To see how, let's do an example. Suppose that Alice, Bob, Charlie, and Diane conspire, and that the conspiracy wants to figure out the secret vector of some innocent victim, Ed. Ed's addition rule is "[1]+[4]", and his secret vector is, of course, a secret."