import java.io.UnsupportedEncodingException;

import java.security.MessageDigest;

import java.security.NoSuchAlgorithmException;

public class MD5Encrypt {

    private static String []hex = {"0","1","2","3","4","5","6","7","8","9","a","b","c","d","e","f"};

    private static String MD5init(String text) {

        try {

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

            byte []bytes = md5.digest(text.getBytes("utf8"));

            StringBuffer sb = new StringBuffer();

            for(byte b : bytes) {

                int tmp = b;

                if(tmp < 0) tmp += 128;

                int index1 = tmp / 16;

                int index2 = tmp % 16;

                sb.append(hex[index1]).append(hex[index2]);

            }

            return sb.toString();

        } catch (NoSuchAlgorithmException e) {

            e.printStackTrace();

        } catch (UnsupportedEncodingException e) {

            e.printStackTrace();

        }

        return null;

    }

    public static String encrypt(String message) {

        return MD5init(MD5init(message+"draymonder")+"draymonder");

    }

}