Encrypt and decrypt pictures using base64

Import Java.awt.image.BufferedImage;      Import Java.io.ByteArrayInputStream;      Import Java.io.ByteArrayOutputStream;      Import Java.io.File;           Import java.io.IOException;           Import Javax.imageio.ImageIO;      Import Sun.misc.BASE64Decoder;           Import Sun.misc.BASE64Encoder;          public class Testimagebinary {static Base64encoder encoder = new Sun.misc.BASE64Encoder ();                    Static Base64decoder decoder = new Sun.misc.BASE64Decoder ();                            public static void Main (string[] args) {System.out.println (Getimagebinary ());          Base64stringtoimage (Getimagebinary ());                     } static String Getimagebinary () {file F = new File ("c://20090709442.jpg");              BufferedImage bi;                  try {bi = Imageio.read (f);                  Bytearrayoutputstream BAOs = new Bytearrayoutputstream ();        Imageio.write (BI, "JPG", BAOs);          byte[] bytes = Baos.tobytearray ();              Return Encoder.encodebuffer (bytes). Trim ();              } catch (IOException e) {e.printstacktrace ();          } return null; } static void Base64stringtoimage (String base64string) {try {byte[] Byte                                    S1 = Decoder.decodebuffer (base64string);                  Bytearrayinputstream Bais = new Bytearrayinputstream (bytes1);                  BufferedImage bi1 =imageio.read (Bais);              File W2 = new file ("C://qq.bmp");//Can be jpg,png,gif format imageio.write (bi1, "JPG", w2);//regardless of the output format picture, here do not need to change              } catch (IOException e) {e.printstacktrace ();    }          }           }

Encrypt and decrypt pictures using base64