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/*
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* Copyright (c) 2003, 2018, 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. Oracle designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Oracle in the LICENSE file that accompanied this code.
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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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package sun.security.ssl;
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import java.io.IOException;
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import java.nio.ByteBuffer;
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import java.util.Map;
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import sun.security.ssl.SSLHandshake.HandshakeMessage;
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/**
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* Pack of the "ClientKeyExchange" handshake message.
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*/
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final class ClientKeyExchange {
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static final SSLConsumer handshakeConsumer =
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new ClientKeyExchangeConsumer();
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static final HandshakeProducer handshakeProducer =
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new ClientKeyExchangeProducer();
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/**
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* The "ClientKeyExchange" handshake message producer.
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*/
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private static final
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class ClientKeyExchangeProducer implements HandshakeProducer {
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// Prevent instantiation of this class.
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private ClientKeyExchangeProducer() {
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// blank
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}
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@Override
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public byte[] produce(ConnectionContext context,
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HandshakeMessage message) throws IOException {
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// The producing happens in client side only.
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ClientHandshakeContext chc = (ClientHandshakeContext)context;
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SSLKeyExchange ke = SSLKeyExchange.valueOf(
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chc.negotiatedCipherSuite.keyExchange,
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chc.negotiatedProtocol);
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if (ke != null) {
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for (Map.Entry<Byte, HandshakeProducer> hp :
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ke.getHandshakeProducers(chc)) {
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if (hp.getKey() == SSLHandshake.CLIENT_KEY_EXCHANGE.id) {
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return hp.getValue().produce(context, message);
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}
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}
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}
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// not consumer defined.
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chc.conContext.fatal(Alert.UNEXPECTED_MESSAGE,
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"Unexpected ClientKeyExchange handshake message.");
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return null; // make the compiler happe
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}
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}
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/**
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* The "ClientKeyExchange" handshake message consumer.
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*/
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private static final
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class ClientKeyExchangeConsumer implements SSLConsumer {
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// Prevent instantiation of this class.
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private ClientKeyExchangeConsumer() {
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// blank
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}
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4236
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@Override
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public void consume(ConnectionContext context,
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ByteBuffer message) throws IOException {
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// The consuming happens in server side only.
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ServerHandshakeContext shc = (ServerHandshakeContext)context;
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// clean up this consumer
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shc.handshakeConsumers.remove(SSLHandshake.CLIENT_KEY_EXCHANGE.id);
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SSLKeyExchange ke = SSLKeyExchange.valueOf(
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shc.negotiatedCipherSuite.keyExchange,
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shc.negotiatedProtocol);
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if (ke != null) {
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for (Map.Entry<Byte, SSLConsumer> hc :
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ke.getHandshakeConsumers(shc)) {
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if (hc.getKey() == SSLHandshake.CLIENT_KEY_EXCHANGE.id) {
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hc.getValue().consume(context, message);
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return;
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}
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}
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}
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// not consumer defined.
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shc.conContext.fatal(Alert.UNEXPECTED_MESSAGE,
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"Unexpected ClientKeyExchange handshake message.");
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}
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}
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}
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