0N/A/*
2362N/A * Copyright (c) 2003, 2007, Oracle and/or its affiliates. All rights reserved.
0N/A * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
0N/A *
0N/A * This code is free software; you can redistribute it and/or modify it
0N/A * under the terms of the GNU General Public License version 2 only, as
0N/A * published by the Free Software Foundation.
0N/A *
0N/A * This code is distributed in the hope that it will be useful, but WITHOUT
0N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
0N/A * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
0N/A * version 2 for more details (a copy is included in the LICENSE file that
0N/A * accompanied this code).
0N/A *
0N/A * You should have received a copy of the GNU General Public License version
0N/A * 2 along with this work; if not, write to the Free Software Foundation,
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0N/A *
2362N/A * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
2362N/A * or visit www.oracle.com if you need additional information or have any
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0N/A */
0N/A
0N/A/**
0N/A * @test
0N/A * @bug 4844847
0N/A * @summary Test the Cipher.update/doFinal(ByteBuffer, ByteBuffer) methods
0N/A * @author Andreas Sterbenz
0N/A */
0N/A
0N/Aimport java.util.*;
0N/Aimport java.nio.*;
0N/A
0N/Aimport java.security.*;
0N/A
0N/Aimport javax.crypto.*;
0N/Aimport javax.crypto.spec.*;
0N/A
0N/Apublic class ByteBuffers {
0N/A
0N/A public static void main(String[] args) throws Exception {
0N/A Provider p = Security.getProvider("SunJCE");
0N/A Random random = new Random();
0N/A int n = 10 * 1024;
0N/A byte[] t = new byte[n];
0N/A random.nextBytes(t);
0N/A
0N/A byte[] keyBytes = new byte[8];
0N/A random.nextBytes(keyBytes);
0N/A SecretKey key = new SecretKeySpec(keyBytes, "DES");
0N/A
0N/A Cipher cipher = Cipher.getInstance("DES/ECB/NoPadding");
0N/A cipher.init(Cipher.ENCRYPT_MODE, key);
0N/A
0N/A byte[] outBytes = cipher.doFinal(t);
0N/A
0N/A // create ByteBuffers for input (i1, i2, i3) and fill them
0N/A ByteBuffer i0 = ByteBuffer.allocate(n + 256);
0N/A i0.position(random.nextInt(256));
0N/A i0.limit(i0.position() + n);
0N/A ByteBuffer i1 = i0.slice();
0N/A i1.put(t);
0N/A
0N/A ByteBuffer i2 = ByteBuffer.allocateDirect(t.length);
0N/A i2.put(t);
0N/A
0N/A i1.clear();
0N/A ByteBuffer i3 = i1.asReadOnlyBuffer();
0N/A
0N/A ByteBuffer o0 = ByteBuffer.allocate(n + 512);
0N/A o0.position(random.nextInt(256));
0N/A o0.limit(o0.position() + n + 256);
0N/A ByteBuffer o1 = o0.slice();
0N/A
0N/A ByteBuffer o2 = ByteBuffer.allocateDirect(t.length + 256);
0N/A
0N/A crypt(cipher, i1, o1, outBytes, random);
0N/A crypt(cipher, i2, o1, outBytes, random);
0N/A crypt(cipher, i3, o1, outBytes, random);
0N/A crypt(cipher, i1, o2, outBytes, random);
0N/A crypt(cipher, i2, o2, outBytes, random);
0N/A crypt(cipher, i3, o2, outBytes, random);
0N/A
0N/A System.out.println("All tests passed");
0N/A }
0N/A
0N/A private static void crypt(Cipher cipher, ByteBuffer in, ByteBuffer out, byte[] outBytes, Random random) throws Exception {
0N/A in.clear();
0N/A out.clear();
0N/A out.put(new byte[out.remaining()]);
0N/A out.clear();
0N/A int lim = in.limit();
0N/A in.limit(random.nextInt(lim));
0N/A cipher.update(in, out);
0N/A if (in.hasRemaining()) {
0N/A throw new Exception("Buffer not consumed");
0N/A }
0N/A in.limit(lim);
0N/A cipher.doFinal(in, out);
0N/A if (in.hasRemaining()) {
0N/A throw new Exception("Buffer not consumed");
0N/A }
0N/A out.flip();
0N/A byte[] b = new byte[out.remaining()];
0N/A out.get(b);
0N/A if (Arrays.equals(outBytes, b) == false) {
0N/A throw new Exception("Encryption output mismatch");
0N/A }
0N/A }
0N/A}