/* * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you 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.apache.smscserver.util; import java.security.MessageDigest; import java.security.NoSuchAlgorithmException; /** * <strong>Internal class, do not use directly.</strong> * * String encryption utility methods. * * @author hceylan */ public class EncryptUtils { /** * Encrypt byte array. */ public final static byte[] encrypt(byte[] source, String algorithm) throws NoSuchAlgorithmException { MessageDigest md = MessageDigest.getInstance(algorithm); md.reset(); md.update(source); return md.digest(); } /** * Encrypt string */ public final static String encrypt(String source, String algorithm) throws NoSuchAlgorithmException { byte[] resByteArray = EncryptUtils.encrypt(source.getBytes(), algorithm); return StringUtils.toHexString(resByteArray); } /** * Encrypt string using MD5 algorithm */ public final static String encryptMD5(String source) { if (source == null) { source = ""; } String result = ""; try { result = EncryptUtils.encrypt(source, "MD5"); } catch (NoSuchAlgorithmException ex) { // this should never happen throw new RuntimeException(ex); } return result; } /** * Encrypt string using SHA algorithm */ public final static String encryptSHA(String source) { if (source == null) { source = ""; } String result = ""; try { result = EncryptUtils.encrypt(source, "SHA"); } catch (NoSuchAlgorithmException ex) { // this should never happen throw new RuntimeException(ex); } return result; } }