Data commit

Task/Bifid-cipher/J/bifid-cipher-1.j

@@ -0,0 +1,4 @@
+alpha=: a.{~65+i.26
+normalize=: {{ rplc&'JI'(toupper y)([-.-.)alpha }}
+bifid=: {{ m{~_2 (t&#.)\,|:(t,t=.%:#m)#:m i.y([-.-.)m }}
+difib=: {{ m{~t#.|:(|.@$$,)(t,t=.%:#m)#:m i.y([-.-.)m }}

Task/Bifid-cipher/J/bifid-cipher-2.j

@@ -0,0 +1,24 @@
+ref1=: ~.normalize alpha
+ref2=: 'BGWKZQPNDSIOAXEFCLUMTHYVR'
+ref3=: 'PLAYFIREXMBCDGHKNOQSTUVWZ'
+
+   ref1 bifid normalize 'attack at dawn'
+DQBDAXDQPDQH
+   ref1 difib ref1 bifid normalize 'attack at dawn'
+ATTACKATDAWN
+   ref2 bifid normalize 'flee at once'
+UAEOLWRINS
+   ref2 difib ref2 bifid normalize 'flee at once'
+FLEEATONCE
+   ref2 bifid normalize 'attack at dawn'
+EYFENGIWDILA
+   ref2 difib ref2 bifid normalize 'attack at dawn'
+ATTACKATDAWN
+   ref3 bifid normalize 'The invasion will start on the first of January'
+VRSYXSIYTMQVIRSKISLPVLDTCKRTCAIVTMATCEX
+   ref3 difib ref3 bifid normalize 'The invasion will start on the first of January'
+THEINVASIONWILLSTARTONTHEFIRSTOFIANUARY
+   (_81{.123{.a.)bifid 'The invasion will start on the first of January'
+TgqhpqpqxzpxfqzoKqhxw/O3eWH53BYw`+Be8F1
+   (_81{.123{.a.)difib(_81{.123{.a.)bifid 'The invasion will start on the first of January'
+TheinvasionwillstartonthefirstofJanuary