package com.moral.monitor.util;

import sun.misc.BASE64Encoder;

import java.io.UnsupportedEncodingException;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;

public class Crypto {

    /**利用MD5进行加密
     * @param str  待加密的字符串
     * @return  加密后的字符串
     * @throws NoSuchAlgorithmException  没有这种产生消息摘要的算法
     * @throws UnsupportedEncodingException
     */
    public static String md5(String str) {
        String newstr = "";
        try {
            //确定计算方法
            MessageDigest md5 = MessageDigest.getInstance("MD5");
            BASE64Encoder base64en = new BASE64Encoder();
            //加密后的字符串
            newstr = base64en.encode(md5.digest(str.getBytes("utf-8")));
        } catch (NoSuchAlgorithmException e1) {
            e1.printStackTrace();
        } catch (UnsupportedEncodingException e2) {
            e2.printStackTrace();
        }
        return newstr;
    }
}