Single key encryption rises again

SarsSmarz writes “Just when you thought we got over all this, somebody comes up with single key encryption again. This time it is a single pair of cellphones sharing a unique key. So now we have the typical 1930’s movie scene (a business guy with a dozen black phones on his desk), but with cellphones in his coat. Let’s see: one for the lawyer, one for the wife, one for the mistress…”