package 加密;

import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;

public class 加密文件 {
        public static void main(String[] args) throws IOException {
                method();
        }

        private static void method() throws IOException {
                BufferedInputStream bis = new BufferedInputStream(new FileInputStream(
                                "d:\\my.flv"));
                BufferedOutputStream bos = new BufferedOutputStream(
                                new FileOutputStream("e:\\国产手机界谁将笑到最后 09_标清.flv"));

                int by = 0;
                while ((by = bis.read()) != -1) {
                        bos.write(by ^ 12);
                }

                bos.close();
                bis.close();
        }
}

package 加密;

import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;

public class 加密文件 {
        public static void main(String[] args) throws IOException {
                method();
        }

        private static void method() throws IOException {
                BufferedInputStream bis = new BufferedInputStream(new FileInputStream(
                                "d:\\my.flv"));
                BufferedOutputStream bos = new BufferedOutputStream(
                                new FileOutputStream("e:\\国产手机界谁将笑到最后 09_标清.flv"));

                int by = 0;
                while ((by = bis.read()) != -1) {
                        bos.write(by ^ 12);
                }

                bos.close();
                bis.close();
        }
}