89 lines
2.9 KiB
Java
89 lines
2.9 KiB
Java
/*
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* Copyright (c) 2021, Oracle and/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 8261502
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* @summary Check that ECPrivateKey's that are not ECPrivateKeyImpl can use
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* ECDHKeyAgreement
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*/
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import javax.crypto.KeyAgreement;
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import java.math.BigInteger;
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import java.security.KeyPairGenerator;
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import java.security.interfaces.ECPrivateKey;
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import java.security.interfaces.ECPublicKey;
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import java.security.spec.ECGenParameterSpec;
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import java.security.spec.ECParameterSpec;
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public class ECKeyCheck {
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public static final void main(String args[]) throws Exception {
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ECGenParameterSpec spec = new ECGenParameterSpec("secp256r1");
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KeyPairGenerator kpg = KeyPairGenerator.getInstance("EC");
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kpg.initialize(spec);
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ECPrivateKey privKey = (ECPrivateKey) kpg.generateKeyPair().getPrivate();
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ECPublicKey pubKey = (ECPublicKey) kpg.generateKeyPair().getPublic();
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generateECDHSecret(privKey, pubKey);
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generateECDHSecret(new newPrivateKeyImpl(privKey), pubKey);
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}
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private static byte[] generateECDHSecret(ECPrivateKey privKey,
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ECPublicKey pubKey) throws Exception {
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KeyAgreement ka = KeyAgreement.getInstance("ECDH");
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ka.init(privKey);
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ka.doPhase(pubKey, true);
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return ka.generateSecret();
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}
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// Test ECPrivateKey class
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private static class newPrivateKeyImpl implements ECPrivateKey {
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private ECPrivateKey p;
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newPrivateKeyImpl(ECPrivateKey p) {
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this.p = p;
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}
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public BigInteger getS() {
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return p.getS();
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}
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public byte[] getEncoded() {
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return p.getEncoded();
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}
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public String getFormat() {
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return p.getFormat();
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}
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public String getAlgorithm() {
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return p.getAlgorithm();
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}
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public ECParameterSpec getParams() {
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return p.getParams();
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}
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}
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}
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