86 lines
3.0 KiB
Java
86 lines
3.0 KiB
Java
/*
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* Copyright (c) 1998, 2024, 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 0000000
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* @library /test/lib
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* @summary DHKeyFactory
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* @author Jan Luehe
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*/
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import java.io.*;
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import java.math.BigInteger;
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import java.security.*;
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import java.security.spec.*;
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import java.security.interfaces.*;
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import javax.crypto.*;
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import javax.crypto.spec.*;
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import javax.crypto.interfaces.*;
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import jdk.test.lib.security.DiffieHellmanGroup;
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import jdk.test.lib.security.SecurityUtils;
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/**
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* This test creates a DH keypair, retrieves the encodings of the DH public and
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* private key, and feeds those encodings to a DH key factory, which parses
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* the encodings and creates a DH public and private key from them.
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*/
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public class DHKeyFactory {
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private DHKeyFactory() {}
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public static void main(String argv[]) throws Exception {
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DHKeyFactory test = new DHKeyFactory();
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test.run();
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System.out.println("Test Passed");
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}
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private void run() throws Exception {
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DiffieHellmanGroup dhGroup = SecurityUtils.getTestDHGroup();
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DHParameterSpec dhParamSpec = new DHParameterSpec(dhGroup.getPrime(), dhGroup.getBase());
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System.out.println("Using " + dhGroup.name() + " Diffie-Hellman parameters");
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KeyPairGenerator kpgen = KeyPairGenerator.getInstance("DH",
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System.getProperty("test.provider.name", "SunJCE"));
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kpgen.initialize(dhParamSpec);
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KeyPair kp = kpgen.generateKeyPair();
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// get the public key encoding
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byte[] pubKeyEnc = kp.getPublic().getEncoded();
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// get the private key encoding
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byte[] privKeyEnc = kp.getPrivate().getEncoded();
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KeyFactory kfac = KeyFactory.getInstance("DH",
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System.getProperty("test.provider.name", "SunJCE"));
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X509EncodedKeySpec x509KeySpec = new X509EncodedKeySpec(pubKeyEnc);
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PublicKey pubKey = kfac.generatePublic(x509KeySpec);
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PKCS8EncodedKeySpec pkcsKeySpec = new PKCS8EncodedKeySpec(privKeyEnc);
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PrivateKey privKey = kfac.generatePrivate(pkcsKeySpec);
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}
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}
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