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Josh Soref 2019-10-13 03:03:10 -04:00
parent 14fd0f8fcf
commit 213c99e14b
1 changed files with 1 additions and 1 deletions
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src/core/operations/VigenèreDecode.mjs
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@ -55,7 +55,7 @@ class VigenèreDecode extends Operation {
keyIndex = alphabet.indexOf(chr); keyIndex = alphabet.indexOf(chr);
msgIndex = alphabet.indexOf(input[i]); msgIndex = alphabet.indexOf(input[i]);
// Subtract indexes from each other, add 26 just in case the value is negative, // Subtract indexes from each other, add 26 just in case the value is negative,
// modulo to remove if neccessary // modulo to remove if necessary
output += alphabet[(msgIndex - keyIndex + alphabet.length) % 26]; output += alphabet[(msgIndex - keyIndex + alphabet.length) % 26];
} else if (alphabet.indexOf(input[i].toLowerCase()) >= 0) { } else if (alphabet.indexOf(input[i].toLowerCase()) >= 0) {
chr = key[(i - fail) % key.length].toLowerCase(); chr = key[(i - fail) % key.length].toLowerCase();