java 对图片简单加密 ^异或

import java.io.*;

public class Helloworld {

public static void main( String[] args ) throws Exception{

File inFile  = new File("/Users/user/Desktop/a.jpg");

File outFile = new File("/Users/user/Desktop/b.jpg");

FileInputStream input = new FileInputStream(inFile);

FileOutputStream output = new FileOutputStream(outFile);

int content = 0;

while( (content=input.read()) != -1 )

{

output.write(content^12);

}

//关闭资源

output.close();

input.close();

}

}