Here you can find the source of getMD5Hex(byte[] digest)
private static String getMD5Hex(byte[] digest)
//package com.java2s; /*//w w w. ja va 2 s.c o m * Copyright 2008 original author or authors. * * 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. */ public class Main { private static String getMD5Hex(byte[] digest) { StringBuilder result = new StringBuilder(); for (byte b : digest) { String hexString = Integer.toHexString(b & 0xff); if (hexString.length() == 1) { result.append("0"); } result.append(hexString); } return result.toString(); } }