Here you can find the source of md5(final String s)
public static String md5(final String s)
//package com.java2s; /**// w w w .jav a 2s.co m * @copyright Urucas * @license Copyright (C) 2013. All rights reserved * @version Release: 1.0.0 * @link http://urucas.com * @developers Bruno Alassia, Pamela Prosperi */ import java.security.MessageDigest; import java.security.NoSuchAlgorithmException; public class Main { public static String md5(final String s) { final String MD5 = "MD5"; try { // Create MD5 Hash MessageDigest digest = java.security.MessageDigest.getInstance(MD5); digest.update(s.getBytes()); byte messageDigest[] = digest.digest(); // Create Hex String StringBuilder hexString = new StringBuilder(); for (byte aMessageDigest : messageDigest) { String h = Integer.toHexString(0xFF & aMessageDigest); while (h.length() < 2) h = "0" + h; hexString.append(h); } return hexString.toString(); } catch (NoSuchAlgorithmException e) { e.printStackTrace(); } return ""; } }