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/*
* Copyright (c) 2015, 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.
*/
import java.security.KeyFactory;
import java.security.KeyPairGenerator;
import java.security.KeyPair;
import java.security.NoSuchAlgorithmException;
import java.security.NoSuchProviderException;
import java.security.interfaces.RSAPrivateCrtKey;
import java.security.interfaces.RSAPrivateKey;
import java.security.spec.InvalidKeySpecException;
import java.security.spec.RSAPrivateKeySpec;
import java.security.spec.PKCS8EncodedKeySpec;
import java.security.spec.RSAPrivateCrtKeySpec;
/**
* @test
* @bug 8044199 4666485
* @summary Equality checking for RSAPrivateKey by SunRsaSign provider.
*/
public class PrivateKeyEqualityTest {
/**
* ALGORITHM name, fixed as RSA.
*/
private static final String KEYALG = "RSA";
/**
* JDK default RSA Provider.
*/
private static final String PROVIDER_NAME =
System.getProperty("test.provider.name", "SunRsaSign");
public static void main(String[] args) throws NoSuchAlgorithmException,
NoSuchProviderException, InvalidKeySpecException {
// Generate the first key.
KeyPairGenerator generator
= KeyPairGenerator.getInstance(KEYALG, PROVIDER_NAME);
KeyPair keyPair = generator.generateKeyPair();
RSAPrivateKey rsaPrivateKey = (RSAPrivateKey) keyPair.getPrivate();
if (!(rsaPrivateKey instanceof RSAPrivateCrtKey)) {
System.err.println("rsaPrivateKey class : " + rsaPrivateKey.getClass().getName());
throw new RuntimeException("rsaPrivateKey is not a RSAPrivateCrtKey instance");
}
// Generate the second key.
KeyFactory factory = KeyFactory.getInstance(KEYALG, PROVIDER_NAME);
RSAPrivateKeySpec rsaPrivateKeySpec = new RSAPrivateKeySpec(
rsaPrivateKey.getModulus(), rsaPrivateKey.getPrivateExponent());
RSAPrivateKey rsaPrivateKey2 = (RSAPrivateKey) factory.generatePrivate(
rsaPrivateKeySpec);
// Generate the third key.
PKCS8EncodedKeySpec encodedKeySpec = new PKCS8EncodedKeySpec(
rsaPrivateKey.getEncoded());
RSAPrivateKey rsaPrivateKey3 = (RSAPrivateKey) factory.generatePrivate(
encodedKeySpec);
// Check for equality.
if (rsaPrivateKey.equals(rsaPrivateKey2)) {
throw new RuntimeException("rsaPrivateKey should not equal to rsaPrivateKey2");
}
if (!rsaPrivateKey3.equals(rsaPrivateKey)) {
throw new RuntimeException("rsaPrivateKey3 should equal to rsaPrivateKey");
}
if (rsaPrivateKey3.equals(rsaPrivateKey2)) {
throw new RuntimeException("rsaPrivateKey3 should not equal to rsaPrivateKey2");
}
if (rsaPrivateKey2.equals(rsaPrivateKey3)) {
throw new RuntimeException("rsaPrivateKey2 should not equal to rsaPrivateKey3");
}
// Generate the fourth key.
RSAPrivateCrtKey rsaPrivateCrtKey = (RSAPrivateCrtKey)rsaPrivateKey;
RSAPrivateCrtKeySpec rsaPrivateCrtKeySpec = new RSAPrivateCrtKeySpec(
rsaPrivateCrtKey.getModulus(),
rsaPrivateCrtKey.getPublicExponent(),
rsaPrivateCrtKey.getPrivateExponent(),
rsaPrivateCrtKey.getPrimeP(),
rsaPrivateCrtKey.getPrimeQ(),
rsaPrivateCrtKey.getPrimeExponentP(),
rsaPrivateCrtKey.getPrimeExponentQ(),
rsaPrivateCrtKey.getCrtCoefficient()
);
RSAPrivateCrtKey rsaPrivateKey4 = (RSAPrivateCrtKey) factory.generatePrivate(
rsaPrivateCrtKeySpec);
if (!rsaPrivateKey.equals(rsaPrivateKey4)) {
throw new RuntimeException("rsaPrivateKey should equal to rsaPrivateKey4");
}
}
}
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