117 lines
3.8 KiB
Java
117 lines
3.8 KiB
Java
/*
|
|
* Copyright (c) 2003, 2024, 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 4844847
|
|
* @summary Test the Cipher.update/doFinal(ByteBuffer, ByteBuffer) methods
|
|
* @author Andreas Sterbenz
|
|
* @key randomness
|
|
* @run main ByteBuffers DES 8
|
|
* @run main ByteBuffers AES 16
|
|
*/
|
|
|
|
import java.util.*;
|
|
import java.nio.*;
|
|
|
|
import java.security.*;
|
|
|
|
import javax.crypto.*;
|
|
import javax.crypto.spec.*;
|
|
|
|
public class ByteBuffers {
|
|
|
|
public static void main(String[] args) throws Exception {
|
|
Provider p = Security.getProvider(
|
|
System.getProperty("test.provider.name", "SunJCE"));
|
|
Random random = new Random();
|
|
int n = 10 * 1024;
|
|
byte[] t = new byte[n];
|
|
random.nextBytes(t);
|
|
|
|
int keyInt = Integer.parseInt(args[1]);
|
|
byte[] keyBytes = new byte[keyInt];
|
|
random.nextBytes(keyBytes);
|
|
String algo = args[0];
|
|
SecretKey key = new SecretKeySpec(keyBytes, algo);
|
|
|
|
Cipher cipher = Cipher.getInstance(algo + "/ECB/NoPadding");
|
|
cipher.init(Cipher.ENCRYPT_MODE, key);
|
|
|
|
byte[] outBytes = cipher.doFinal(t);
|
|
|
|
// create ByteBuffers for input (i1, i2, i3) and fill them
|
|
ByteBuffer i0 = ByteBuffer.allocate(n + 256);
|
|
i0.position(random.nextInt(256));
|
|
i0.limit(i0.position() + n);
|
|
ByteBuffer i1 = i0.slice();
|
|
i1.put(t);
|
|
|
|
ByteBuffer i2 = ByteBuffer.allocateDirect(t.length);
|
|
i2.put(t);
|
|
|
|
i1.clear();
|
|
ByteBuffer i3 = i1.asReadOnlyBuffer();
|
|
|
|
ByteBuffer o0 = ByteBuffer.allocate(n + 512);
|
|
o0.position(random.nextInt(256));
|
|
o0.limit(o0.position() + n + 256);
|
|
ByteBuffer o1 = o0.slice();
|
|
|
|
ByteBuffer o2 = ByteBuffer.allocateDirect(t.length + 256);
|
|
|
|
crypt(cipher, i1, o1, outBytes, random);
|
|
crypt(cipher, i2, o1, outBytes, random);
|
|
crypt(cipher, i3, o1, outBytes, random);
|
|
crypt(cipher, i1, o2, outBytes, random);
|
|
crypt(cipher, i2, o2, outBytes, random);
|
|
crypt(cipher, i3, o2, outBytes, random);
|
|
|
|
System.out.println("All tests passed");
|
|
}
|
|
|
|
private static void crypt(Cipher cipher, ByteBuffer in, ByteBuffer out, byte[] outBytes, Random random) throws Exception {
|
|
in.clear();
|
|
out.clear();
|
|
out.put(new byte[out.remaining()]);
|
|
out.clear();
|
|
int lim = in.limit();
|
|
in.limit(random.nextInt(lim));
|
|
cipher.update(in, out);
|
|
if (in.hasRemaining()) {
|
|
throw new Exception("Buffer not consumed");
|
|
}
|
|
in.limit(lim);
|
|
cipher.doFinal(in, out);
|
|
if (in.hasRemaining()) {
|
|
throw new Exception("Buffer not consumed");
|
|
}
|
|
out.flip();
|
|
byte[] b = new byte[out.remaining()];
|
|
out.get(b);
|
|
if (Arrays.equals(outBytes, b) == false) {
|
|
throw new Exception("Encryption output mismatch");
|
|
}
|
|
}
|
|
}
|