84 lines
2.9 KiB
Java
84 lines
2.9 KiB
Java
/*
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* Copyright 2002-2007 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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* CA 95054 USA or visit www.sun.com if you need additional information or
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* have any questions.
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*/
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/*
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* @test
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* @bug 4628062
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* @summary Verify that AES KeyGenerator supports default initialization
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* when init is not called
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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 Test4628062 {
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private static final String ALGO = "AES";
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private static final int[] KEYSIZES =
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{ 16, 24, 32 }; // in bytes
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public boolean execute() throws Exception {
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KeyGenerator kg = KeyGenerator.getInstance(ALGO, "SunJCE");
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// TEST FIX 4628062
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Key keyWithDefaultSize = kg.generateKey();
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byte[] encoding = keyWithDefaultSize.getEncoded();
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if (encoding.length == 0) {
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throw new Exception("default key length is 0!");
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}
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// BONUS TESTS
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// 1. call init(int keysize) with various valid key sizes
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// and see if the generated key is the right size.
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for (int i=0; i<KEYSIZES.length; i++) {
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kg.init(KEYSIZES[i]*8); // in bits
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Key key = kg.generateKey();
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if (key.getEncoded().length != KEYSIZES[i]) {
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throw new Exception("key is generated with the wrong length!");
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}
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}
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// 2. call init(int keysize) with invalid key size and see
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// if the expected InvalidParameterException is thrown.
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try {
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kg.init(KEYSIZES[0]*8+1);
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} catch (InvalidParameterException ex) {
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} catch (Exception ex) {
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throw new Exception("wrong exception is thrown for invalid key size!");
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}
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// passed all tests...hooray!
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return true;
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}
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public static void main (String[] args) throws Exception {
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Security.addProvider(new com.sun.crypto.provider.SunJCE());
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Test4628062 test = new Test4628062();
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String testName = test.getClass().getName();
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if (test.execute()) {
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System.out.println(testName + ": Passed!");
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}
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}
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}
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