class Krypte {
public static void main (String [] args) {
    int i = 12345;
 
    String k = Integer.toString(i);
    String G = secure(k.getBytes());
    System.out.println("Encrypted: " + G);
 
    String U = secure(G.getBytes());
    System.out.println("Decrypted: " + U);
    int X = Integer.parseInt(U);
    System.out.println("As an int: " + X);
 
}
 
public static String secure(byte[] msg) {
    // Variables
    int outLength = msg.length;
    byte secret = (byte) 0xAC; // same as 10101100b (Key)
    // XOR kryptering
    for (int i = 0; i < outLength; i++) {
        // encrypting each byte with XOR (^)
        System.out.println("Byte before: " + msg[i]);
        msg[i] = (byte) (msg[i] ^ secret);
        System.out.println("Byte after: " + msg[i]);
    }
    return new String(msg);
}
}

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