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

[Richard Outerbridge]

On 2014-09-05 (248), at 03:30:50, Dave Horsfall <dave at horsfall.org> wrote:

> On Fri, 5 Sep 2014, Peter Gutmann wrote:

[….]

> Maybe it could be, umm, say QXB, for "There are rainbows upon a warrior" 
> or something?
> 
>> Those Q-codes can (or at least were) at one time quite useful, not far 
>> from here there's an informal air museum containing a handwritten note 
>> dropped by Guy Menzies, the pilot of the first trans-Tasman Ocean flight 
>> that asks "Where can I land?  Point to nearest town".  He ended up 
>> mistaking a swamp for flat land and crashed, flipping his aircraft.  A 
>> Q-code or two would have helped quite a bit there.
> 
> It's been a while since I got my ticket, but I have no doubt that there is 
> a Q-code for "Please tell me the nearest landmark to me".

[….]

QRZ perhaps?
__outer