Initial load
diff --git a/test/java/security/Signature/ByteBuffers.java b/test/java/security/Signature/ByteBuffers.java
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+++ b/test/java/security/Signature/ByteBuffers.java
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+/*
+ * Copyright 2003 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ */
+
+/**
+ * @test
+ * @bug 4844847
+ * @summary Test the Signature.update(ByteBuffer) method
+ * @author Andreas Sterbenz
+ */
+
+import java.util.*;
+import java.nio.*;
+
+import java.security.*;
+
+public class ByteBuffers {
+
+ public static void main(String[] args) throws Exception {
+ Provider p = Security.getProvider("SUN");
+ Random random = new Random();
+ int n = 10 * 1024;
+ byte[] t = new byte[n];
+ random.nextBytes(t);
+
+ KeyPairGenerator kpg = KeyPairGenerator.getInstance("DSA", p);
+ kpg.initialize(512);
+ KeyPair kp = kpg.generateKeyPair();
+
+ Signature sig = Signature.getInstance("DSA", 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");
+ }
+ }
+}