Java tutorial
//package com.java2s; import java.math.BigInteger; import java.security.MessageDigest; import java.security.NoSuchAlgorithmException; public class Main { public static String getMD5(String input) { try { MessageDigest md = MessageDigest.getInstance("MD5"); byte[] messageDigest = md.digest(input.getBytes()); BigInteger number = new BigInteger(1, messageDigest); String hashtext = number.toString(16); // Now we need to zero pad it if you actually want the full 32 chars. while (hashtext.length() < 32) { hashtext = "0" + hashtext; } return hashtext; } catch (NoSuchAlgorithmException e) { throw new RuntimeException(e); } } }