Vigenère cipher: Difference between revisions

<lang ruby>func s2v(s) { s.uc.scan(/[A-Z]/)».map{.ord»() } »-» 65 };

func v2s(v) { (v  »%» 26  »+» 65)» -> map{.chr»()}.join };

func blacken (red, key) { v2s(s2v(red)  »+«  s2v(key)) };

func redden (blk, key) { v2s(s2v(blk)  »-«  s2v(key)) };

var red = "Beware the Jabberwock, my son! The jaws that bite, the claws that catch!";

var key = "Vigenere Cipher!!!";

say red;

say (var black = blacken(red, key));

say redden(black, key);</lang>