jdk/test/sun/security/pkcs11/MessageDigest/ReinitDigest.java
author ohair
Tue, 25 May 2010 15:58:33 -0700
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permissions -rw-r--r--
6943119: Rebrand source copyright notices Reviewed-by: darcy, weijun
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/*
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 * Copyright (c) 2003, Oracle and/or its affiliates. All rights reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 * or visit www.oracle.com if you need additional information or have any
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 * questions.
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 */
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/**
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 * @test
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 * @bug 4856966
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 * @summary
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 * @author Andreas Sterbenz
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 * @library ..
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 */
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import java.util.*;
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import java.security.*;
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public class ReinitDigest extends PKCS11Test {
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    public static void main(String[] args) throws Exception {
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        main(new ReinitDigest());
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    }
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    public void main(Provider p) throws Exception {
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        if (p.getService("MessageDigest", "MD5") == null) {
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            System.out.println("Provider does not support MD5, skipping");
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            return;
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        }
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        Random r = new Random();
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        byte[] data1 = new byte[10 * 1024];
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        byte[] data2 = new byte[10 * 1024];
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        r.nextBytes(data1);
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        r.nextBytes(data2);
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        MessageDigest md;
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        md = MessageDigest.getInstance("MD5", "SUN");
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        byte[] d1 = md.digest(data1);
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        md = MessageDigest.getInstance("MD5", p);
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        byte[] d2 = md.digest(data1);
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        check(d1, d2);
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        byte[] d3 = md.digest(data1);
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        check(d1, d3);
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        md.update(data2);
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        md.update((byte)0);
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        md.reset();
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        byte[] d4 = md.digest(data1);
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        check(d1, d4);
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        System.out.println("All tests passed");
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    }
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    private static void check(byte[] d1, byte[] d2) throws Exception {
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        if (Arrays.equals(d1, d2) == false) {
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            throw new RuntimeException("Digest mismatch");
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        }
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    }
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}