[OT] programming question

[Nick Cleaton]

On Wed, Apr 25, 2007 at 11:53:20PM +0100, David Cantrell wrote:
> 
> md5(correct answer plus sekrit) inna bun^Whidden field
> 
> When they submit their answer, compare md5(their answer plus sekrit) to
> the one you got back from the hidden field.

md5(correct answer plus sekrit plus question)

...otherwise knowing the answer to one question allows a quizzee to
determine whether or not that answer is correct for another question.


Nick