Java tutorial
//package com.java2s; import java.math.BigInteger; import java.security.MessageDigest; public class Main { public static String convertToMD5(String toEnc) { try { MessageDigest mdEnc = MessageDigest.getInstance("MD5"); mdEnc.update(toEnc.getBytes(), 0, toEnc.length()); return new BigInteger(1, mdEnc.digest()).toString(16); } catch (Exception e) { return null; } } }