68 lines
2.5 KiB
Java
68 lines
2.5 KiB
Java
/*
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* Copyright (c) 2002, 2015, 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 4626070
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* @summary Verify that AES cipher can wrap and unwrap keys
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* @author Valerie Peng
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*/
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import java.security.*;
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import javax.crypto.*;
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import java.util.*;
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public class Test4626070 {
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private static final String ALGO = "AES";
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private static final int KEYSIZE = 16; // in bytes
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public void execute(String mode, String padding) throws Exception {
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String transformation = ALGO + "/" + mode + "/" + padding;
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Cipher ci = Cipher.getInstance(transformation, "SunJCE");
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KeyGenerator kg = KeyGenerator.getInstance(ALGO, "SunJCE");
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kg.init(KEYSIZE*8);
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SecretKey key = kg.generateKey();
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AlgorithmParameters params = ci.getParameters();
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// TEST FIX 4626070
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ci.init(Cipher.WRAP_MODE, key, params);
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byte[] wrappedKeyEncoding = ci.wrap(key);
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params = ci.getParameters();
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ci.init(Cipher.UNWRAP_MODE, key, params);
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Key recoveredKey = ci.unwrap(wrappedKeyEncoding, "AES",
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Cipher.SECRET_KEY);
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if (!key.equals(recoveredKey)) {
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throw new Exception(
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"key after wrap/unwrap is different from the original!");
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}
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System.out.println(transformation + ": Passed");
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}
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public static void main (String[] args) throws Exception {
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Test4626070 test = new Test4626070();
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test.execute("CBC", "PKCS5Padding");
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test.execute("GCM", "NoPadding");
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}
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}
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