| /* |
| * Copyright (c) 2001, 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. |
| */ |
| /* |
| * @test |
| * @bug 8048604 |
| * @library ../ /lib/testlibrary |
| * @summary This test verifies the assertion "There should be no transformation |
| * on the plaintext/ciphertext in encryption/decryption mechanism" for |
| * feature "NullCipher". |
| */ |
| import javax.crypto.BadPaddingException; |
| import javax.crypto.Cipher; |
| import javax.crypto.IllegalBlockSizeException; |
| import javax.crypto.NullCipher; |
| import javax.crypto.ShortBufferException; |
| import jdk.testlibrary.RandomFactory; |
| |
| public class CipherNCFuncTest { |
| public static void main(String[] args) throws ShortBufferException, |
| IllegalBlockSizeException, BadPaddingException { |
| byte[] plainText = new byte[801]; |
| // Initialization |
| RandomFactory.getRandom().nextBytes(plainText); |
| Cipher ci = new NullCipher(); |
| // Encryption |
| byte[] cipherText = new byte[ci.getOutputSize(plainText.length)]; |
| int offset = ci.update(plainText, 0, plainText.length, cipherText, 0); |
| ci.doFinal(cipherText, offset); |
| // Decryption |
| byte[] recoveredText = new byte[ci.getOutputSize(cipherText.length)]; |
| int len = ci.doFinal(cipherText, 0, cipherText.length, recoveredText); |
| // Comparison |
| if (len != plainText.length || |
| !TestUtilities.equalsBlock(plainText, cipherText, len) || |
| !TestUtilities.equalsBlock(plainText, recoveredText, len)) { |
| throw new RuntimeException( |
| "Test failed because plainText not equal to cipherText and revoveredText"); |
| } |
| } |
| } |