Discussion between dmg and BmyGuest

@BmyGuest Your circular puzzle is actually an example of what a great cipher puzzle should be

Usually when I say "encryption" I'm talking about industry standard encryption algorithms :D

But sometimes ciphers can be puzzles if they require some (human instinct deduced) idea for the algorithm. (See my circular cipher - not yet solved and with a bounty!)

Yes, but if the 2nd algorithm isn't known but follows form the part-clear-text ?