I made this japh in honor of the most sophisticated encryption scheme devised to date: the XOR mask. It's not as creative as blokhead's just below here, but I like it. Maybe if I ever remember anything else we learned in our two days of encryption lectures, I'll do something more secure...

$_=q$,197+,27S,137,08(),09-K,13,11%1332230!b#>:!+'t{$;srand$=;sub'x{$$
+$x+=pop}$
qw=sub{$q++;$i[pop@a]=pop};unshift@a,x$_ for(map{reverse+split$,}/(\d*
+)!/g);&{$
qw}($+)while(s=,}?(\d{2})==x);$t=y*3012**d?reverse+split$i[@i]:die$_;@
+f=map$i[$
_]?chr$i[$_]:chop$t,0..--$q+length;print+chr(int(rand(58)+65)^ord)for@
+f,m$JAPH$
[download]

Enjoy,

Brandan L.