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/*
* Copyright (c) 2021, 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 8260274
* @run main/othervm TestDefaultRandom APG 1
* @run main/othervm TestDefaultRandom APG 2
* @run main/othervm TestDefaultRandom KPG 1
* @run main/othervm TestDefaultRandom KPG 2
* @run main/othervm TestDefaultRandom CIP 1
* @run main/othervm TestDefaultRandom CIP 2
* @run main/othervm TestDefaultRandom CIP 3
* @run main/othervm TestDefaultRandom CIP 4
* @run main/othervm TestDefaultRandom KA 1
* @run main/othervm TestDefaultRandom KA 2
* @run main/othervm TestDefaultRandom KG 1
* @run main/othervm TestDefaultRandom KG 2
* @summary Ensure the default SecureRandom impl is used as the javadoc
* spec stated when none supplied.
*/
import java.lang.reflect.InvocationTargetException;
import java.util.List;
import java.util.Map;
import java.security.*;
import java.security.cert.Certificate;
import java.security.spec.AlgorithmParameterSpec;
import java.security.spec.DSAGenParameterSpec;
import java.security.spec.RSAKeyGenParameterSpec;
import javax.crypto.Cipher;
import javax.crypto.KeyAgreement;
import javax.crypto.KeyGenerator;
import javax.crypto.SecretKey;
import javax.crypto.spec.SecretKeySpec;
import javax.crypto.spec.IvParameterSpec;
public class TestDefaultRandom {
public static void main(String[] argv) throws Exception {
if (argv.length != 2) {
throw new RuntimeException("Error: missing test parameters");
}
switch (argv[0]) {
case "APG":
check(AlgorithmParameterGenerator.getInstance("DSA"), argv[1]);
break;
case "KPG":
check(KeyPairGenerator.getInstance("RSA"), argv[1]);
break;
case "CIP":
check(Cipher.getInstance("AES/CBC/NoPadding"), argv[1]);
break;
case "KA":
check(KeyAgreement.getInstance("DH"), argv[1]);
break;
case "KG":
check(KeyGenerator.getInstance("AES"), argv[1]);
break;
default:
throw new RuntimeException("Error: unsupported test type");
}
}
private static void check(Object obj, String testNum) {
if (obj == null) throw new NullPointerException();
SampleProvider prov = new SampleProvider();
Security.insertProviderAt(prov, 1);
int b4Cnt = SampleProvider.count;
System.out.println("before, count = " + b4Cnt);
// Note that the arguments may not be valid, they just need to be
// non-null to trigger the call for checking if the default
// SecureRandom impl is used
try {
if (obj instanceof AlgorithmParameterGenerator) {
AlgorithmParameterGenerator apg =
(AlgorithmParameterGenerator) obj;
switch (testNum) {
case "1":
apg.init(123);
break;
case "2":
apg.init((AlgorithmParameterSpec) null);
break;
default:
throw new RuntimeException("Error: invalid test#");
}
} else if (obj instanceof KeyPairGenerator) {
KeyPairGenerator kpg = (KeyPairGenerator) obj;
switch (testNum) {
case "1":
kpg.initialize(123);
break;
case "2":
kpg.initialize((AlgorithmParameterSpec) null);
break;
default:
throw new RuntimeException("Error: invalid test#");
}
} else if (obj instanceof Cipher) {
Cipher c = (Cipher) obj;
switch (testNum) {
case "1":
c.init(Cipher.ENCRYPT_MODE, (Key) null);
break;
case "2":
c.init(Cipher.ENCRYPT_MODE, (Key) null,
(AlgorithmParameterSpec) null);
break;
case "3":
c.init(Cipher.ENCRYPT_MODE, (Key) null,
(AlgorithmParameters) null);
break;
case "4":
c.init(Cipher.ENCRYPT_MODE, (Certificate)null);
break;
default:
throw new RuntimeException("Error: invalid test#");
}
} else if (obj instanceof KeyAgreement) {
KeyAgreement ka = (KeyAgreement) obj;
switch (testNum) {
case "1":
ka.init((Key) null);
break;
case "2":
ka.init((Key) null, (AlgorithmParameterSpec) null);
break;
default:
throw new RuntimeException("Error: invalid test#");
}
} else if (obj instanceof KeyGenerator) {
KeyGenerator kg = (KeyGenerator) obj;
switch (testNum) {
case "1":
kg.init(123);
break;
case "2":
kg.init((AlgorithmParameterSpec) null);
break;
default:
throw new RuntimeException("Error: invalid test#");
}
} else {
throw new RuntimeException("Error: Unsupported type");
}
} catch (GeneralSecurityException | InvalidParameterException e) {
// expected; ignore
}
System.out.println("after, count = " + SampleProvider.count);
if (SampleProvider.count == b4Cnt) {
throw new RuntimeException("Test Failed");
}
}
private static class SampleProvider extends Provider {
static int count = 0;
static String SR_ALGO = "Custom";
SampleProvider() {
super("Sample", "1.0", "test provider with custom SR impl");
putService(new SampleService(this, "SecureRandom", SR_ALGO,
"SampleSecureRandom.class" /* stub class name */,
null, null));
}
private static class SampleService extends Service {
SampleService(Provider p, String type, String alg, String cn,
List<String> aliases, Map<String,String> attrs) {
super(p, type, alg, cn, aliases, attrs);
}
@Override
public Object newInstance(Object param)
throws NoSuchAlgorithmException {
String alg = getAlgorithm();
String type = getType();
if (type.equals("SecureRandom") && alg.equals(SR_ALGO)) {
SampleProvider.count++;
return new CustomSR();
} else {
// should never happen
throw new NoSuchAlgorithmException("No support for " + alg);
}
}
}
private static class CustomSR extends SecureRandomSpi {
@Override
protected void engineSetSeed(byte[] seed) {
}
@Override
protected void engineNextBytes(byte[] bytes) {
}
@Override
protected byte[] engineGenerateSeed(int numBytes) {
return new byte[numBytes];
}
}
}
}
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