102 lines
3.7 KiB
Java
102 lines
3.7 KiB
Java
/*
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* Copyright (c) 2022, Red Hat, Inc.
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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 8289301
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* @summary P11Cipher should not throw OOB exception during padding when "reqBlockUpdates" == true
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* @library /test/lib ..
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* @run main/othervm TestPaddingOOB
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*/
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import javax.crypto.Cipher;
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import javax.crypto.KeyGenerator;
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import java.nio.ByteBuffer;
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import java.util.Arrays;
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import java.security.Key;
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import java.security.Provider;
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public class TestPaddingOOB extends PKCS11Test {
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public static void main(String[] args) throws Exception {
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main(new TestPaddingOOB(), args);
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}
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@Override
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public void main(Provider p) throws Exception {
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KeyGenerator kg = KeyGenerator.getInstance("AES", p);
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Key key = kg.generateKey();
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Cipher c = Cipher.getInstance("AES/ECB/PKCS5Padding", p);
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int bs = c.getBlockSize();
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// Test with arrays
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byte[] plainArr = new byte[bs];
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Arrays.fill(plainArr, (byte) 'a');
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c.init(Cipher.ENCRYPT_MODE, key);
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byte[] encArr = new byte[c.getOutputSize(plainArr.length)];
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int off = c.update(plainArr, 0, 1, encArr, 0);
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off += c.doFinal(plainArr, 1, plainArr.length - 1, encArr, off);
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if (off != 2 * bs) {
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throw new Exception("Unexpected encrypted size (array): " + off);
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}
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c.init(Cipher.DECRYPT_MODE, key);
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byte[] plainArr2 = new byte[c.getOutputSize(encArr.length)];
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off = c.doFinal(encArr, 0, encArr.length, plainArr2, 0);
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if (off != bs) {
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throw new Exception("Unexpected decrypted size (array): " + off);
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}
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if (!Arrays.equals(plainArr, Arrays.copyOfRange(plainArr2, 0, off))) {
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throw new Exception("Invalid decrypted data (array)");
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}
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// Test with buffers
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ByteBuffer plainBuf = ByteBuffer.allocate(bs);
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Arrays.fill(plainArr, (byte) 'b');
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plainBuf.put(plainArr);
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plainBuf.flip();
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c.init(Cipher.ENCRYPT_MODE, key);
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ByteBuffer encBuf = ByteBuffer.allocate(c.getOutputSize(plainBuf.limit()));
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plainBuf.limit(1);
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off = c.update(plainBuf, encBuf);
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plainBuf.limit(bs);
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off += c.doFinal(plainBuf, encBuf);
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if (off != 2 * bs) {
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throw new Exception("Unexpected encrypted size (buffer): " + off);
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}
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encBuf.flip();
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c.init(Cipher.DECRYPT_MODE, key);
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ByteBuffer plainBuf2 = ByteBuffer.allocate(c.getOutputSize(encBuf.limit()));
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off = c.doFinal(encBuf, plainBuf2);
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if (off != bs) {
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throw new Exception("Unexpected decrypted size (buffer): " + off);
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}
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plainBuf2.flip();
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plainBuf2.get(plainArr2, 0, off);
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if (!Arrays.equals(plainArr, Arrays.copyOfRange(plainArr2, 0, off))) {
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throw new Exception("Invalid decrypted data (buffer)");
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}
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}
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}
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