6 lines
193 B
Text
6 lines
193 B
Text
decaesar=: {{
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freqs=. (<:#/.~AZ,y)%#y=. y ([-.-.) AZ
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ndx=. (i. <./)lfreq +/&.:*:@:-"1 (i.26)|."0 1 freqs
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26&|@-&ndx&.(AZ&i.) y
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}}
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devigenere=: {{ ' '-.~,decaesar"1&.|:(-kasiski y) ]\y }}
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