ADFGVX cipher: Difference between revisions
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System.out.println(); |
System.out.println(); |
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final String plainText = "ATTACKAT1200AM"; |
final String plainText = "ATTACKAT1200AM"; |
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System.out.println(" |
System.out.println("Plain text: " + plainText); |
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System.out.println(); |
System.out.println(); |
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final String encryptedText = encrypt(plainText, polybius, key); |
final String encryptedText = encrypt(plainText, polybius, key); |
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} |
} |
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// Create a key using a word from |
// Create a key using a word from the dictionary 'unixdict.txt' |
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private static String createKey(int size) throws IOException { |
private static String createKey(int size) throws IOException { |
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if ( size < 7 || size > 12 ) { |
if ( size < 7 || size > 12 ) { |
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List<String> candidates = Files.lines(Path.of("unixdict.txt")) |
List<String> candidates = Files.lines(Path.of("unixdict.txt")) |
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.filter( word -> word.length() == size ) |
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.filter( word -> word.chars().distinct().count() == word.length() ) |
.filter( word -> word.chars().distinct().count() == word.length() ) |
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.filter( word -> word.chars().allMatch(Character::isLetterOrDigit) ) |
.filter( word -> word.chars().allMatch(Character::isLetterOrDigit) ) |
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