72 lines
2.8 KiB
Java
72 lines
2.8 KiB
Java
/*
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* Copyright (c) 2021, Amazon.com, Inc. or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/**
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* @test
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* @bug 8254717
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* @summary isAssignableFrom checks in KeyFactorySpi.engineGetKeySpec appear to be backwards.
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* @author Greg Rubin, Ziyi Luo
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*/
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import java.security.KeyFactory;
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import java.security.KeyPair;
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import java.security.KeyPairGenerator;
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import java.security.spec.*;
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public class KeyFactoryGetKeySpecForInvalidSpec {
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public static void main(String[] args) throws Exception {
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KeyPairGenerator kg = KeyPairGenerator.getInstance("RSA");
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kg.initialize(2048);
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KeyPair pair = kg.generateKeyPair();
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KeyFactory factory = KeyFactory.getInstance("RSA");
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// Since RSAPrivateCrtKeySpec inherits from RSAPrivateKeySpec, we'd expect this next line to return an instance of RSAPrivateKeySpec
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// (because the private key has CRT parts).
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KeySpec spec = factory.getKeySpec(pair.getPrivate(), RSAPrivateKeySpec.class);
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if (!(spec instanceof RSAPrivateCrtKeySpec)) {
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throw new Exception("Spec should be an instance of RSAPrivateCrtKeySpec");
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}
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// This next line should give an InvalidKeySpec exception
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try {
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spec = factory.getKeySpec(pair.getPublic(), FakeX509Spec.class);
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throw new Exception("InvalidKeySpecException is expected but not thrown");
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} catch (final ClassCastException ex) {
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throw new Exception("InvalidKeySpecException is expected ClassCastException is thrown", ex);
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} catch (final InvalidKeySpecException ex) {
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// Pass
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}
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}
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public static class FakeX509Spec extends X509EncodedKeySpec {
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public FakeX509Spec(byte[] encodedKey) {
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super(encodedKey);
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}
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public FakeX509Spec(byte[] encodedKey, String algorithm) {
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super(encodedKey, algorithm);
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}
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}
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}
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