Java tutorial
/* * Copyright 2002-2013 the 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. */ package org.sunriseframework.util; import java.security.MessageDigest; import java.security.NoSuchAlgorithmException; import org.apache.commons.codec.binary.Base64; /** * Helper utility to generate hash * @author Apache Open-source * @since 1.0-rc1 */ public class Hash { public static String generateHash(byte[] input, String algorithm) { MessageDigest algo; String passwordHash = null; try { algo = MessageDigest.getInstance(algorithm); //MD5, SHA-1 algo.reset(); algo.update(input); Base64 encoder = new Base64(); passwordHash = new String(encoder.encode(algo.digest())); } catch (NoSuchAlgorithmException e) { // TODO Auto-generated catch block e.printStackTrace(); } return passwordHash; } }