package com.wxgs.ch01;

import java.security.MessageDigest;

import java.security.NoSuchAlgorithmException;

import sun.misc.BASE64Encoder;

public class TestMD {

    public static void main(String[] args) {

        String oldpwd=md5Add("123456");

        String newpwd=md5Add("123456");

        if(newpwd.equals(oldpwd)){

            System.out.println("ture");

        }else{

            System.out.println("false");

        }

    }

    static String md5Add(String str){

        String newStr;

        try {

            MessageDigest md5=MessageDigest.getInstance("MD5");

            BASE64Encoder base64Encoder=new BASE64Encoder();

            //加密字符串

            newStr=base64Encoder.encode(md5.digest(str.getBytes()));

        } catch (NoSuchAlgorithmException e) {

            // TODO Auto-generated catch block

            e.printStackTrace();

            newStr="fasle";

        }

        return newStr;

    }

}