/*
* Copyright (c) 2003, 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.
*
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*/
/**
* @test
* @bug 4856966
* @summary
* @author Andreas Sterbenz
* @library ..
*/
import java.util.*;
import java.security.*;
public class ReinitDigest extends PKCS11Test {
public static void main(String[] args) throws Exception {
main(new ReinitDigest());
}
public void main(Provider p) throws Exception {
if (p.getService("MessageDigest", "MD5") == null) {
System.out.println("Provider does not support MD5, skipping");
return;
}
Random r = new Random();
byte[] data1 = new byte[10 * 1024];
byte[] data2 = new byte[10 * 1024];
r.nextBytes(data1);
r.nextBytes(data2);
MessageDigest md;
md = MessageDigest.getInstance("MD5", "SUN");
byte[] d1 = md.digest(data1);
md = MessageDigest.getInstance("MD5", p);
byte[] d2 = md.digest(data1);
check(d1, d2);
byte[] d3 = md.digest(data1);
check(d1, d3);
md.update(data2);
md.update((byte)0);
md.reset();
byte[] d4 = md.digest(data1);
check(d1, d4);
System.out.println("All tests passed");
}
private static void check(byte[] d1, byte[] d2) throws Exception {
if (Arrays.equals(d1, d2) == false) {
throw new RuntimeException("Digest mismatch");
}
}
}