The title had to be shortened, was:
Romantic Cryptography, i.e. how to say "I love you" but only if the other person is going to say "me too"
now i found out that the article was published in the Journal of Craptology:
http://www.anagram.com/jcrap/Volume_7/
Truly a delightful read!
I loved the idea with the visual crypto transparencies.
The title had to be shortened, was:
.. and sorry for the direct PDF link.now i found out that the article was published in the Journal of Craptology: