| /* |
| * Copyright (c) 2007, 2015, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code 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 General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| import java.io.ByteArrayInputStream; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.io.OutputStream; |
| import java.io.PipedInputStream; |
| import java.io.PipedOutputStream; |
| import java.util.Arrays; |
| import javax.crypto.CipherInputStream; |
| import javax.crypto.CipherOutputStream; |
| |
| /* |
| * @test |
| * @bug 8048604 |
| * @summary This test verifies the assertion "The chaining feature of |
| * Filter streams should be supported." for feature "CipherInputStream & |
| * CipherOutputStream" |
| * @run main CICOChainingTest |
| */ |
| public class CICOChainingTest { |
| /** |
| * Plain text length. |
| */ |
| private static final int PLAIN_TEXT_LENGTH = 200; |
| |
| public static void main(String argv[]) throws Exception { |
| CICOChainingTest test = new CICOChainingTest(); |
| test.chainTest(true); |
| test.chainTest(false); |
| } |
| |
| /** |
| * Chain CipherInputStream/CipherOutputStream with other stream, encrypt |
| * the text and decrypt it, recovered text is supposed to be same as |
| * original text. |
| * @param useInt true if read byte by byte false if read with buffer. |
| * @throws IOException any I/O operation failed. |
| */ |
| public void chainTest(boolean useInt) throws IOException { |
| byte[] plainText = TestUtilities.generateBytes(PLAIN_TEXT_LENGTH); |
| byte[] recoveredText = new byte[plainText.length]; |
| // Do initialization |
| try (MyNullCipherInputStream ciInput1 = new MyNullCipherInputStream( |
| new ByteArrayInputStream(plainText)); |
| PipedOutputStream piOut = new PipedOutputStream(); |
| MyNullCipherInputStream ciInput2 = new MyNullCipherInputStream( |
| new PipedInputStream(piOut)); |
| MyNullCipherOutputStream ciOut = new MyNullCipherOutputStream( |
| piOut);) { |
| if (useInt) { |
| int buffer = ciInput1.read(); |
| while (buffer != -1) { |
| piOut.write(buffer); |
| buffer = ciInput1.read(); |
| } |
| } else { |
| byte[] buffer = new byte[20]; |
| int len = ciInput1.read(buffer); |
| while (len != -1) { |
| ciOut.write(buffer, 0, len); |
| len = ciInput1.read(buffer); |
| } |
| } |
| ciOut.flush(); |
| piOut.flush(); |
| // Get the output |
| ciInput2.read(recoveredText); |
| if (ciInput2.available() > 0) { |
| throw new RuntimeException("Expected no data from ciInput2, but" |
| + " ciInput2.available() = " + ciInput2.available()); |
| } |
| } |
| // Verify output is same to input. |
| if (!Arrays.equals(plainText, recoveredText)) { |
| throw new RuntimeException("plainText:" + new String(plainText) |
| + " recoveredText:" + new String(recoveredText) |
| + " Test failed due to result compare fail"); |
| } |
| } |
| } |
| |
| class MyNullCipherInputStream extends CipherInputStream { |
| |
| public MyNullCipherInputStream(InputStream is) { |
| super(is); |
| } |
| } |
| |
| class MyNullCipherOutputStream extends CipherOutputStream { |
| |
| public MyNullCipherOutputStream(OutputStream os) { |
| super(os); |
| } |
| } |