[Cryptography] What is the difference between a code and a cipher?

[Tom Mitchell]

On Wed, Sep 3, 2014 at 8:16 PM, Peter Fairbrother <zenadsl6186 at zen.co.uk>
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.
>
>
Cypher.... scrambled
Code   ....  words or phrases replace phrases or words.

A football team often uses code words to call a play.

A baseball coaching staff might use stenography  to call plays.

"Code talkers" used a different language to implement a code.

Morse code... replaces letters, words, phrases with dots and dashes.

http://en.wikipedia.org/wiki/Cipher


One size does not fit all.


-- 
  T o m    M i t c h e l l
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