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/*
* Copyright (c) 2003, 2018, 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 4856966
* @summary Test the Signature.update(ByteBuffer) method
* @author Andreas Sterbenz
* @library /test/lib ..
* @key randomness
* @modules jdk.crypto.cryptoki
* @run main/othervm ByteBuffers
* @run main/othervm ByteBuffers sm
*/
import java.nio.ByteBuffer;
import java.security.KeyPair;
import java.security.KeyPairGenerator;
import java.security.Provider;
import java.security.Signature;
import java.util.Random;
public class ByteBuffers extends PKCS11Test {
public static void main(String[] args) throws Exception {
main(new ByteBuffers(), args);
}
@Override
public void main(Provider p) throws Exception {
/*
* Use Solaris SPARC 11.2 or later to avoid an intermittent failure
* when running SunPKCS11-Solaris provider (8044554)
*/
if (p.getName().equals("SunPKCS11-Solaris") &&
props.getProperty("os.name").equals("SunOS") &&
props.getProperty("os.arch").equals("sparcv9") &&
props.getProperty("os.version").compareTo("5.11") <= 0 &&
getDistro().compareTo("11.2") < 0) {
System.out.println("SunPKCS11-Solaris provider requires " +
"Solaris SPARC 11.2 or later, skipping");
return;
}
Random random = new Random();
int n = 10 * 1024;
byte[] t = new byte[n];
random.nextBytes(t);
KeyPairGenerator kpg = KeyPairGenerator.getInstance("RSA", p);
kpg.initialize(512);
KeyPair kp = kpg.generateKeyPair();
Signature sig = Signature.getInstance("MD5withRSA", p);
sig.initSign(kp.getPrivate());
sig.update(t);
byte[] signature = sig.sign();
sig.initVerify(kp.getPublic());
// test 1: ByteBuffer with an accessible backing array
ByteBuffer b1 = ByteBuffer.allocate(n + 256);
b1.position(random.nextInt(256));
b1.limit(b1.position() + n);
ByteBuffer b2 = b1.slice();
b2.put(t);
b2.clear();
verify(sig, signature, b2, random);
// test 2: direct ByteBuffer
ByteBuffer b3 = ByteBuffer.allocateDirect(t.length);
b3.put(t);
b3.clear();
verify(sig, signature, b3, random);
// test 3: ByteBuffer without an accessible backing array
b2.clear();
ByteBuffer b4 = b2.asReadOnlyBuffer();
verify(sig, signature, b4, random);
System.out.println("All tests passed");
}
private static void verify(Signature sig, byte[] signature, ByteBuffer b, Random random) throws Exception {
int lim = b.limit();
b.limit(random.nextInt(lim));
sig.update(b);
if (b.hasRemaining()) {
throw new Exception("Buffer not consumed");
}
b.limit(lim);
sig.update(b);
if (b.hasRemaining()) {
throw new Exception("Buffer not consumed");
}
if (sig.verify(signature) == false) {
throw new Exception("Signature did not verify");
}
}
}
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