Java tutorial
/* * Copyright (c) 2008-2011, Martijn Brinkers, Djigzo. * * This file is part of Djigzo email encryption. * * Djigzo is free software: you can redistribute it and/or modify * it under the terms of the GNU Affero General Public License * version 3, 19 November 2007 as published by the Free Software * Foundation. * * Djigzo is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Affero General Public License for more details. * * You should have received a copy of the GNU Affero General Public * License along with Djigzo. If not, see <http://www.gnu.org/licenses/> * * Additional permission under GNU AGPL version 3 section 7 * * If you modify this Program, or any covered work, by linking or * combining it with aspectjrt.jar, aspectjweaver.jar, tyrex-1.0.3.jar, * freemarker.jar, dom4j.jar, mx4j-jmx.jar, mx4j-tools.jar, * spice-classman-1.0.jar, spice-loggerstore-0.5.jar, spice-salt-0.8.jar, * spice-xmlpolicy-1.0.jar, saaj-api-1.3.jar, saaj-impl-1.3.jar, * wsdl4j-1.6.1.jar (or modified versions of these libraries), * containing parts covered by the terms of Eclipse Public License, * tyrex license, freemarker license, dom4j license, mx4j license, * Spice Software License, Common Development and Distribution License * (CDDL), Common Public License (CPL) the licensors of this Program grant * you additional permission to convey the resulting work. */ package mitm.common.security.crypto; import static org.junit.Assert.assertEquals; import java.io.ByteArrayInputStream; import java.io.ByteArrayOutputStream; import java.io.InputStream; import java.io.OutputStream; import org.apache.commons.io.IOUtils; import org.junit.Test; public class PBEncryptedStreamTest { @Test public void testEncryptDecrypt() throws Exception { ByteArrayOutputStream bos = new ByteArrayOutputStream(); char[] password = "test".toCharArray(); OutputStream encryptionStream = new PBEncryptionOutputStream(bos, password); String message = "test 123"; IOUtils.write(message, encryptionStream); encryptionStream.close(); ByteArrayInputStream bis = new ByteArrayInputStream(bos.toByteArray()); InputStream decryptionStream = new PBDecryptionInputStream(bis, password); String decryptedMessage = IOUtils.toString(decryptionStream); assertEquals(message, decryptedMessage); } }