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In one of the hot forums of today on how to convince friends cryptography is good one of the arguments stated is the knife paradox, I was unable to find the answer on Google and my question is what is the knife paradox?

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    $\begingroup$ Where did you see this? Maybe a variant of the wrench attack? $\endgroup$ – otus May 15 '16 at 6:53
  • $\begingroup$ Or en.m.wikipedia.org/wiki/Rubber-hose_cryptanalysis $\endgroup$ – ddddavidee May 15 '16 at 8:08
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    $\begingroup$ I think the OP is referring to one of the current hot secse questions: security.stackexchange.com/a/123252/71460 $\endgroup$ – SEJPM May 15 '16 at 10:10
  • $\begingroup$ I ended up here after doing exactly the same. I believe the so called "knife paradox" isn't actually an established thing (nor a paradox), but just a thought. If anything, it is an example of a logical fallacy (which one, however, currently escapes me). The idea is basically, "knives are used by criminals, ergo knives are bad/dangerous". Apply the same flawed logic to "encryption". $\endgroup$ – Amani Kilumanga May 17 '16 at 5:22

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