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/*
* Copyright (c) 2002, 2024, 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.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/*
* @test
* @bug 4628062 4963723 8267319 8288050
* @summary Verify that AES KeyGenerator supports default initialization
* when init is not called
* @author Valerie Peng
*/
import java.security.*;
import javax.crypto.*;
import java.util.*;
public class Test4628062 {
// first value is the default key size
private static final int[] AES_SIZES = { 32, 16, 24 }; // in bytes
private static final int[] HMACSHA224_SIZES = { 28 };
private static final int[] HMACSHA256_SIZES = { 32 };
private static final int[] HMACSHA384_SIZES = { 48 };
private static final int[] HMACSHA512_SIZES = { 64 };
private static final int[] HMACSHA512_224_SIZES = { 28 };
private static final int[] HMACSHA512_256_SIZES = { 32 };
public boolean execute(String algo, int[] keySizes) throws Exception {
KeyGenerator kg = KeyGenerator.getInstance(algo,
System.getProperty("test.provider.name", "SunJCE"));
// TEST FIX 4628062
Key keyWithDefaultSize = kg.generateKey();
byte[] encoding = keyWithDefaultSize.getEncoded();
int defKeyLen = encoding.length ;
if (defKeyLen == 0) {
throw new Exception("default key length is 0!");
} else if (defKeyLen != keySizes[0]) {
throw new Exception("default key length mismatch!");
}
// BONUS TESTS
if (keySizes.length > 1) {
// 1. call init(int keysize) with various valid key sizes
// and see if the generated key is the right size.
for (int i=0; i<keySizes.length; i++) {
kg.init(keySizes[i]*8); // in bits
Key key = kg.generateKey();
if (key.getEncoded().length != keySizes[i]) {
throw new Exception("key is generated with the wrong length!");
}
}
// 2. call init(int keysize) with invalid key size and see
// if the expected InvalidParameterException is thrown.
try {
kg.init(keySizes[0]*8+1);
} catch (InvalidParameterException ex) {
} catch (Exception ex) {
throw new Exception("wrong exception is thrown for invalid key size!");
}
}
System.out.println(algo + " Passed!");
// passed all tests...hooray!
return true;
}
public static void main (String[] args) throws Exception {
Test4628062 test = new Test4628062();
test.execute("AES", AES_SIZES);
test.execute("HmacSHA224", HMACSHA224_SIZES);
test.execute("HmacSHA256", HMACSHA256_SIZES);
test.execute("HmacSHA384", HMACSHA384_SIZES);
test.execute("HmacSHA512", HMACSHA512_SIZES);
test.execute("HmacSHA512/224", HMACSHA512_224_SIZES);
test.execute("HmacSHA512/256", HMACSHA512_256_SIZES);
}
}
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