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44 lines (27 loc) · 891 Bytes
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Copy pathDecryption.java
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44 lines (27 loc) · 891 Bytes
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package otp;
public class Decryption {
public static String generatePlainText(String binaryCipher, String binaryKey) {
int len = 0;
String sub = "";
if (binaryCipher.length() < binaryKey.length()) {
len = binaryCipher.length();
sub = binaryKey.substring(len);
} else {
len = binaryKey.length();
sub = binaryCipher.substring(len);
}
String messageBinary = "";
for (int i = 0; i < len; i++) {
if (binaryCipher.charAt(i) == '0') {
messageBinary += binaryKey.charAt(i);
} else {
if (binaryKey.charAt(i) == '1') {
messageBinary += '0';
} else {
messageBinary += '1';
}
}
}
return messageBinary.concat(sub);
}
}