Here you can find the source of md5Digest(String word)
public static String md5Digest(String word)
//package com.java2s; /*/*from www . j a v a 2s .c o m*/ * Copyright 2015 mtap technologies * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * */ import java.security.MessageDigest; public class Main { public static String md5Digest(String word) { try { MessageDigest md = MessageDigest.getInstance("MD5"); md.update(word.getBytes()); byte[] byteData = md.digest(); StringBuilder hexString = new StringBuilder(); for (int i = 0; i < byteData.length; i++) { String hex = Integer.toHexString(0xff & byteData[i]); if (hex.length() == 1) hexString.append('0'); hexString.append(hex); } return hexString.toString(); } catch (Exception e) { throw new IllegalStateException("Cannot encode credentials"); } } }