Revision as of 06:10, 28 May 2014 (view source) Rdm (talk \| contribs) m (J: discard temps) ← Older edit		Revision as of 06:11, 28 May 2014 (view source) Rdm (talk \| contribs) m (J: fix clipped code) Newer edit →
Line 249: encrypt=:3 :0 ,alt{~ref i. 2{."1 -.&' '"1 ~."1 (_2]\ norm y),"1 norm 'XQV' ) decrypt=:3 :0 ,ref{~alt i. 2{."1 -.&' '"1 ~."1 (_2]\ norm y),"1 norm 'XQV' ,)</lang> We could obviously factor out a routine to clean the text and form pairs to use for both encrypt and decrypt, but it works well enough like it is.

Playfair cipher (view source)