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cycrutchfield
6y ago
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That’s a rather restrictive definition of cryptography, don’t you think?
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gitgud
6y ago
Well yes
strictly
speaking it's not just math, but
usually
it does imply math.
What are some examples of cryptography without math of some kind?
arpa
6y ago
Character substitution comes to mind, as described in
https://en.m.wikipedia.org/wiki/The_Adventure_of_the_Dancing...
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