import com.gearworks.business.DesEncrypter; public class Test{ public static void main(String args[]) { String serialNumber= "krishna12345678"; String encrpt = DesEncrypter.getInstance().encrypt(serialNumber); String decrpt = DesEncrypter.getInstance().encrypt(encrpt); System.out.println(" encrypt = " + encrpt ); System.out.println(" decrpt = " + decrpt ); } }