65 lines
2.6 KiB
Java
65 lines
2.6 KiB
Java
/*
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* Copyright (c) 2001, 2017, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test
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* @bug 8048604
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* @library ../ /test/lib
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* @build jdk.test.lib.RandomFactory
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* @run main CipherNCFuncTest
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* @summary This test verifies the assertion "There should be no transformation
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* on the plaintext/ciphertext in encryption/decryption mechanism" for
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* feature "NullCipher".
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*/
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import javax.crypto.BadPaddingException;
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import javax.crypto.Cipher;
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import javax.crypto.IllegalBlockSizeException;
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import javax.crypto.NullCipher;
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import javax.crypto.ShortBufferException;
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import jdk.test.lib.RandomFactory;
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public class CipherNCFuncTest {
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public static void main(String[] args) throws ShortBufferException,
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IllegalBlockSizeException, BadPaddingException {
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byte[] plainText = new byte[801];
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// Initialization
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RandomFactory.getRandom().nextBytes(plainText);
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Cipher ci = new NullCipher();
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// Encryption
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byte[] cipherText = new byte[ci.getOutputSize(plainText.length)];
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int offset = ci.update(plainText, 0, plainText.length, cipherText, 0);
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ci.doFinal(cipherText, offset);
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// Decryption
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byte[] recoveredText = new byte[ci.getOutputSize(cipherText.length)];
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int len = ci.doFinal(cipherText, 0, cipherText.length, recoveredText);
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// Comparison
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if (len != plainText.length ||
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!TestUtilities.equalsBlock(plainText, cipherText, len) ||
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!TestUtilities.equalsBlock(plainText, recoveredText, len)) {
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throw new RuntimeException(
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"Test failed because plainText not equal to cipherText and revoveredText");
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}
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}
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}
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