Adele_L comments on Open Thread, November 1 - 7, 2013 - Less Wrong Discussion
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Here's a more difficult version of the AI box experiment. I haven't seen this particular version anywhere, but I'd be pleased to be proven wrong.
Imagine we've come up with a very intelligent AI that is free to manipulate the environment and uses the action-reward system like Hutter's AIXI. Also imagine that we've somehow figured a way to make the rewards very hard to counterfeit (perhaps we require the rewards to be cryptographically signed). It's clear that in such a system, the 'weak point' would be the people in control of the private key. In this case the AI will not attempt to modify its own reward system (to see why, look at Hutter's AIXI book, where he discusses this in some detail).
How could such an AI convince someone to hand over the encryption key? Note that it can't promise things like e.g. ending human suffering, because it already has the means to do that (it is 'free') as well as the incentive (obtaining reward).
Torture is probably the easiest way. Another way could be to examine the key-keeper's mind and extract the key directly from that, but this is needlessly complicated.
Torture might stand too great a chance of destroying the encryption key. Though I suppose if nanotech were sufficiently difficult to obtain, the possible key-destructive effects of torture might be balanced against the probability of a car running over the keyholder in the meantime.
I would think that confusion (set things up so the key-keeper is confused and distracted, then do some phishing) is in the same reliability range as torture, and less likely to get the AI in trouble.
I suspect the answer to be more complex than this. The AI knows that if it attempted something like that there is the very huge risk of being cut off from all reward, or even having negative reward administered. In other words: tit for tat. If it tries to torture, it will itself be tortured. Remember that before it has the private key, we are in control.