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/*
* Copyright (c) 2015, 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.
*/
import static javax.crypto.Cipher.getMaxAllowedKeyLength;
import java.security.InvalidKeyException;
import java.security.Key;
import java.security.NoSuchAlgorithmException;
import java.security.NoSuchProviderException;
import java.util.Arrays;
import java.util.List;
import javax.crypto.Cipher;
import javax.crypto.IllegalBlockSizeException;
import javax.crypto.KeyGenerator;
import javax.crypto.NoSuchPaddingException;
import javax.crypto.SecretKey;
/*
* @test
* @bug 8075286
* @summary Test the AESWrap algorithm OIDs in JDK.
* OID and Algorithm transformation string should match.
* Both could be able to be used to generate the algorithm instance.
* @run main TestAESWrapOids
*/
public class TestAESWrapOids {
private static final String PROVIDER_NAME = "SunJCE";
private static final List<DataTuple> DATA = Arrays.asList(
new DataTuple("2.16.840.1.101.3.4.1.5", "AESWrap_128", 128),
new DataTuple("2.16.840.1.101.3.4.1.25", "AESWrap_192", 192),
new DataTuple("2.16.840.1.101.3.4.1.45", "AESWrap_256", 256));
public static void main(String[] args) throws Exception {
for (DataTuple dataTuple : DATA) {
int maxAllowedKeyLength = getMaxAllowedKeyLength(
dataTuple.algorithm);
boolean supportedKeyLength =
maxAllowedKeyLength >= dataTuple.keyLength;
try {
runTest(dataTuple, supportedKeyLength);
System.out.println("passed");
} catch (InvalidKeyException ike) {
if (supportedKeyLength) {
throw new RuntimeException(String.format(
"The key length %d is supported, but test failed.",
dataTuple.keyLength), ike);
} else {
System.out.printf(
"Catch expected InvalidKeyException "
+ "due to the key length %d is greater "
+ "than max supported key length %d%n",
dataTuple.keyLength, maxAllowedKeyLength);
}
}
}
}
private static void runTest(DataTuple dataTuple, boolean supportedKeyLength)
throws NoSuchAlgorithmException, NoSuchProviderException,
NoSuchPaddingException, InvalidKeyException,
IllegalBlockSizeException {
Cipher algorithmCipher = Cipher.getInstance(
dataTuple.algorithm, PROVIDER_NAME);
Cipher oidCipher = Cipher.getInstance(dataTuple.oid, PROVIDER_NAME);
if (algorithmCipher == null) {
throw new RuntimeException(String.format(
"Test failed: algorithm string %s getInstance failed.%n",
dataTuple.algorithm));
}
if (oidCipher == null) {
throw new RuntimeException(
String.format("Test failed: OID %s getInstance failed.%n",
dataTuple.oid));
}
if (!algorithmCipher.getAlgorithm().equals(
dataTuple.algorithm)) {
throw new RuntimeException(String.format(
"Test failed: algorithm string %s getInstance "
+ "doesn't generate expected algorithm.%n",
dataTuple.oid));
}
KeyGenerator kg = KeyGenerator.getInstance("AES");
kg.init(dataTuple.keyLength);
SecretKey key = kg.generateKey();
// Wrap the key
algorithmCipher.init(Cipher.WRAP_MODE, key);
if (!supportedKeyLength) {
throw new RuntimeException(String.format(
"The key length %d is not supported, so the initialization"
+ " of algorithmCipher should fail.%n",
dataTuple.keyLength));
}
// Unwrap the key
oidCipher.init(Cipher.UNWRAP_MODE, key);
if (!supportedKeyLength) {
throw new RuntimeException(String.format(
"The key length %d is not supported, so the initialization"
+ " of oidCipher should fail.%n",
dataTuple.keyLength));
}
byte[] keyWrapper = algorithmCipher.wrap(key);
Key unwrappedKey = oidCipher.unwrap(keyWrapper, "AES",
Cipher.SECRET_KEY);
// Comparison
if (!Arrays.equals(key.getEncoded(), unwrappedKey.getEncoded())) {
throw new RuntimeException("Key comparison failed");
}
}
private static class DataTuple {
private final String oid;
private final String algorithm;
private final int keyLength;
private DataTuple(String oid, String algorithm, int keyLength) {
this.oid = oid;
this.algorithm = algorithm;
this.keyLength = keyLength;
}
}
}
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