Playfair cipher: Difference between revisions
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J: avoid using same name for two different constructs
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Line 238:
setkey=:3 :0
key=. ~.norm y,alph
mode=. #.=/"2 inds=.5 5#:key i.
inds0=. (0 3,:2 1)&{@,"2 inds
inds1=.5|1 0+"1 inds NB. same column
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