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A comment on Is the era of the $100 graphing calculator coming to an end?. Parent comment

Re:Is the era of the $100 graphing calculator coming to an end? by ronsor on Monday September 23, 2019 @09:25PM (#21055558)
Too bad you can do encryption using pen and paper (even RSA).
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Re:Is the era of the $100 graphing calculator coming to an end? by matthewmcg on Monday September 23, 2019 @09:39PM (#21055644)
Or playing cards! https://www.schneier.com/academic/solitaire/
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Re:Is the era of the $100 graphing calculator coming to an end? by VLM on Tuesday September 24, 2019 @07:48AM (#21058932)
Its easy for a guard to find pages of paper with uuencoded RSA keys handwritten on them during a random search, and then the investigation really gets started. However its hard to train every guard on every piece of digital technology that can theoretically contain data.
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