Here you can find the source of md5Hex(String message)
static String md5Hex(String message)
//package com.java2s; //License from project: Open Source License import java.io.UnsupportedEncodingException; import java.security.MessageDigest; import java.security.NoSuchAlgorithmException; public class Main { static String md5Hex(String message) { String returnValue;// w w w . j a v a 2s . c om try { MessageDigest md = MessageDigest.getInstance("MD5"); returnValue = hex(md.digest(message.getBytes("CP1252"))); } catch (NoSuchAlgorithmException e) { returnValue = null; } catch (UnsupportedEncodingException e) { returnValue = null; } return returnValue; } private static String hex(byte[] array) { StringBuffer sb = new StringBuffer(); for (int i = 0; i < array.length; ++i) { sb.append(Integer.toHexString((array[i] & 0xFF) | 0x100).substring(1, 3)); } return sb.toString(); } }