[Cryptography] What is the difference between a code and a cipher?
ianG
iang at iang.org
Thu Sep 4 19:23:33 EDT 2014
On 4/09/2014 04:16 am, Peter Fairbrother wrote:
> Old chestnut - is it being intended to be hard to decrypt? Having a
> variable key? Something else?
>
> I don't know whether there is a definitive answer, but opinions are sought.
Code -- think codebook -- is a translation of expected symbols:
Onion: attack
Banana: reinforcements
Aunt: supreme leader
Whereas a cipher is something that takes any message, like a Caesar
cipher, which rotates every letter by 3 forward.
iang
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