@IocBean(create = "init")
public class EncryptionConfig {
    private static final Logger logger = LoggerFactory.getLogger(EncryptionConfig.class);

    public void init(){
        logger.info("Start injecting the key ...");

        byte[] bt1 = new byte[4];
        bt1[0] = 0x00;
        bt1[1] = 0x00;
        bt1[2] = 0x00;
        bt1[3] = 0x00;
        encryptionMap.put("0", bt1);

        logger.info("Key injection completed ...");
    }
}