73 lines
2.4 KiB
Java
73 lines
2.4 KiB
Java
/*
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* Copyright (c) 1998, 2007, 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 0000000
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* @summary MacClone
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* @author Jan Luehe
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*/
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import javax.crypto.*;
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public class MacClone {
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public static void main(String[] args) throws Exception {
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//
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// Clone uninitialized Mac object
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//
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Mac mac = Mac.getInstance("HmacSHA1", "SunJCE");
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Mac macClone = (Mac)mac.clone();
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System.out.println(macClone.getProvider().toString());
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System.out.println(macClone.getAlgorithm());
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boolean thrown = false;
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try {
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macClone.update((byte)0x12);
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} catch (IllegalStateException ise) {
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thrown = true;
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}
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if (!thrown) {
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throw new Exception("Expected IllegalStateException not thrown");
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}
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//
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// Clone initialized Mac object
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//
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KeyGenerator kgen = KeyGenerator.getInstance("DES");
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SecretKey skey = kgen.generateKey();
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mac = Mac.getInstance("HmacSHA1");
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mac.init(skey);
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macClone = (Mac)mac.clone();
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System.out.println(macClone.getProvider().toString());
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System.out.println(macClone.getAlgorithm());
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mac.update((byte)0x12);
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macClone.update((byte)0x12);
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byte[] macFinal = mac.doFinal();
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byte[] macCloneFinal = macClone.doFinal();
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if (!java.util.Arrays.equals(macFinal, macCloneFinal)) {
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throw new Exception("MAC results are different");
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}
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}
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}
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