code: public static String encryptTrack(String trackData, String encoding) {
  		return SecureUtil.encryptData(trackData, encoding,
  				CertUtil.getEncryptTrackPublicKey());
  	}
docs: 5.0.0加密磁道信息，5.1.0接口请勿使用<br>
  @param trackData 待加密磁道数据<br>
  @param encoding 编码格式<br>
  @return 加密的密文<br>
  @deprecated