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/*
* Copyright (c) 2003, 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 4807942 7033170
* @summary Test the Cipher.getMaxAllowedKeyLength(String) and
* getMaxAllowedParameterSpec(String) methods
* @author Valerie Peng
*/
import java.util.*;
import java.nio.*;
import java.security.*;
import java.security.spec.*;
import javax.crypto.*;
import javax.crypto.spec.*;
public class GetMaxAllowed {
private static void runTest1(boolean isUnlimited) throws Exception {
System.out.println("Testing " + (isUnlimited? "un":"") +
"limited policy...");
String algo = "Blowfish";
int keyLength = Cipher.getMaxAllowedKeyLength(algo);
AlgorithmParameterSpec spec = Cipher.getMaxAllowedParameterSpec(algo);
if (isUnlimited) {
if ((keyLength != Integer.MAX_VALUE) || (spec != null)) {
throw new Exception("Check for " + algo +
" failed under unlimited policy");
}
} else {
if ((keyLength != 128) || (spec != null)) {
throw new Exception("Check for " + algo +
" failed under default policy");
}
}
algo = "RC5";
keyLength = Cipher.getMaxAllowedKeyLength(algo);
RC5ParameterSpec rc5param = (RC5ParameterSpec)
Cipher.getMaxAllowedParameterSpec(algo);
if (isUnlimited) {
if ((keyLength != Integer.MAX_VALUE) || (rc5param != null)) {
throw new Exception("Check for " + algo +
" failed under unlimited policy");
}
} else {
if ((keyLength != 128) || (rc5param.getRounds() != 12) ||
(rc5param.getVersion() != Integer.MAX_VALUE) ||
(rc5param.getWordSize() != Integer.MAX_VALUE)) {
throw new Exception("Check for " + algo +
" failed under default policy");
}
}
System.out.println("All tests passed");
}
private static void runTest2() throws Exception {
System.out.println("Testing against Security.getAlgorithms()");
Set<String> algorithms = Security.getAlgorithms("Cipher");
for (String algorithm: algorithms) {
int keylength = -1;
// if 7033170 is not fixed, NoSuchAlgorithmException is thrown
keylength = Cipher.getMaxAllowedKeyLength(algorithm);
}
}
public static void main(String[] args) throws Exception {
// decide if the installed jurisdiction policy file is the
// unlimited version
boolean isUnlimited = true;
Cipher c = Cipher.getInstance("AES",
System.getProperty("test.provider.name", "SunJCE"));
try {
c.init(Cipher.ENCRYPT_MODE, new SecretKeySpec(new byte[24], "AES"));
} catch (InvalidKeyException ike) {
isUnlimited = false;
}
runTest1(isUnlimited);
// test using the set of algorithms returned by Security.getAlgorithms()
runTest2();
}
}
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