Stuart_Armstrong comments on Against easy superintelligence: the unforeseen friction argument - Less Wrong

25 Post author: Stuart_Armstrong 10 July 2013 01:47PM

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Comment author: Stuart_Armstrong 16 July 2013 10:23:35PM 2 points [-]

all encryption can be cracked in theory

Is it too pedantic to mention one-time pads?

Comment author: [deleted] 16 July 2013 10:24:55PM 1 point [-]

A one-time pad has to be transmitted, too. MITM will crack it.

Comment author: wedrifid 17 July 2013 08:36:11AM 1 point [-]

A one-time pad has to be transmitted, too. MITM will crack it.

A one-time pad that needs to be transmitted can be violated by MITM. But if the relevant private mutual information is already shared or is shared directly without encryption then the encryption they use to communicate is not (in theory required to be) crackable. Since the claim was that "all encryption can be cracked in theory" it is not enough for some cases to be crackable, all must be.

Comment author: Stuart_Armstrong 17 July 2013 07:44:38AM *  0 points [-]

Fair enough - I was out-pedanted!

Comment author: wedrifid 17 July 2013 08:25:12AM *  1 point [-]

Is it too pedantic to mention one-time pads?

No, that's an entirely valid point and I even suggest you were in error when you conceded. If two individuals have enough private mutual information theory allows them encryption that can not be cracked.