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k n a c k e n

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nora 2021-06-07 16:37:37 +02:00
parent f0fd91f97f
commit b7728a51e7
1 changed files with 2 additions and 2 deletions
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4
src/Vigenere.java
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@ -22,14 +22,14 @@ public class Vigenere {
private static String encode(String text, String secret) { private static String encode(String text, String secret) {
final String preprocessedText = text.toUpperCase().replaceAll("\\W", ""); final String preprocessedText = text.toUpperCase().replaceAll("\\W", "");
final String secretRepeat = secret.repeat(text.length() / secret.length() + 1).toUpperCase(); final String secretRepeat = secret.repeat(text.length() / secret.length() + 1).toUpperCase();
final StringBuilder result = new StringBuilder(); final StringBuilder result = new StringBuilder(text.length());
for (int i = 0; i < preprocessedText.length(); i++) { for (int i = 0; i < preprocessedText.length(); i++) {
final char c = preprocessedText.charAt(i); final char c = preprocessedText.charAt(i);
final char s = secretRepeat.charAt(i); final char s = secretRepeat.charAt(i);
final char[] cypher = SQUARE[s - 'A']; final char[] cypher = SQUARE[s - 'A'];
final char encoded = cypher[c - 'A']; final char encoded = cypher[c - 'A'];
result.append(encoded); result.setCharAt(i, encoded);
} }
return result.toString(); return result.toString();
} }