Differential cryptanalysis, side channel attacks... The analogues are all there, only in a more tangible form. A well-designed electronic lock based on modern

Differential cryptanalysis, side channel attacks... The analogues are all there, only in a more tangible form. A well-designed electronic lock based on modern cryptography might be immune to almost all of these attacks, so in a sense we're pretty close to getting perfect security back. In real life, of course, nothing stops attackers from simply ignoring the lock and bashing the door in.