hmm, no, actually, that is wrong. It is Vigénère. No lesser authority than Bruce Schneier, in Applied Cryptography has it this way. I should have checked there first. Oh well, if I ever run into the teacher who taught it that way, I'll be sure to update him.

For what it's worth, the name would be pronounced visj-en-air, where the sj sound is like the s in Asia or measure.

Man I hate when this happens

g r i n d e r
print@_{sort keys %_},$/if%_=split//,'= & *a?b:e\f/h^h!j+n,o@o;r$s-t%t#u';