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I was interested in some resources (examples, analogies, real world examples) that, from your experience, were useful in explaining (understandable and convincing) basic security concepts. Like cryptography, hashing, public key infrastructure, authentication tokens, openid.

I know of two interesting examples, explaining one way hashing in analogy with grinded coffee beans, or diffie-hellman with the color mixing. Do you know some similar examples?

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This seems to be a poor fit for the QA format on the SE network. For instance this will create a series of non-canonical answers. – Woot4Moo Jun 15 '12 at 13:49
This may be better for the chatrooms rather than an actual Q – KDEx Jun 15 '12 at 13:50
I have to agree with Woot, KDE and Scott - this could be a good fit for chat, but not for an SE question. Closed. – Rory Alsop♦ Jun 15 '12 at 14:26

closed as not constructive by Scott Pack, Rory Alsop♦ Jun 15 '12 at 14:25

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