Anonymous user
Talk:Playfair cipher: Difference between revisions
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== Inadequate spec ==
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I have not checked all the solutions, but, for instance, the Java solution has chosen the first interpretation while the FreeBASIC solution has chosen the second interpretation. It doesn’t matter with the example “Hide the gold in...the TREESTUMP!!!!” as the duplicate appears at an even position. But in other cases, the result will be different.
:My understanding differs a little from yours. Using ATREE as an example: First digraph is 'AT' (no problem), 2nd digraph is 'RE' (not TR as above), The 3rd digraph (E) is incomplete as suggested, so X is added. So the text to encrypt is: AT RE EX
:If the original text was ATTREE: First digraph is 'AT' (no problem), 2nd digraph is 'TR' (no problem), The 3rd digraph (EE) needs to be split so an X is inserted in the string and the digraph becomes 'EX'. That leaves a singleton E again which needs an X added to complete it. So the text to encrypt is: AT TR EX EX . --[[User:Tikkanz|Tikkanz]] ([[User talk:Tikkanz|talk]]) 06:28, 20 March 2021 (UTC)
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