import javax.crypto.spec.SecretKeySpec;

public class App {
    public static void main(String[] args) throws Exception {
        System.out.println("--Titkostás--");

        SecretKeySpec key = Coder.generateKey();

        String secretText = Coder.encrypt("titok", key);
        System.out.println(secretText);

        String clearText = Coder.decrypt(secretText, key);
        System.out.println(clearText);

    }
}