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/*
* Copyright (c) 2003, 2018, 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. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* 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
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*/
package org.openeuler.sun.security.ssl;
import java.io.IOException;
import java.nio.ByteBuffer;
import java.security.GeneralSecurityException;
import java.security.PrivateKey;
import java.security.PublicKey;
import java.text.MessageFormat;
import java.util.Locale;
import javax.crypto.SecretKey;
import org.openeuler.sun.security.ssl.ECCKeyExchange.ECCPremasterSecret;
import org.openeuler.sun.security.ssl.SSLHandshake.HandshakeMessage;
import org.openeuler.sun.security.ssl.GMX509Authentication.GMX509Credentials;
import org.openeuler.sun.security.ssl.GMX509Authentication.GMX509Possession;
import org.openeuler.sun.misc.HexDumpEncoder;
/**
* Pack of the "ClientKeyExchange" handshake message.
*/
final class ECCClientKeyExchange {
static final SSLConsumer eccHandshakeConsumer =
new ECCClientKeyExchangeConsumer();
static final HandshakeProducer eccHandshakeProducer =
new ECCClientKeyExchangeProducer();
/**
* The ECC ClientKeyExchange handshake message.
*/
private static final
class ECCClientKeyExchangeMessage extends HandshakeMessage {
final int protocolVersion;
final byte[] encrypted;
ECCClientKeyExchangeMessage(HandshakeContext context,
ECCPremasterSecret premaster,
PublicKey publicKey) throws GeneralSecurityException {
super(context);
this.protocolVersion = context.clientHelloVersion;
this.encrypted = premaster.getEncoded(
publicKey, context.sslContext.getSecureRandom());
}
ECCClientKeyExchangeMessage(HandshakeContext context,
ByteBuffer m) throws IOException {
super(context);
if (m.remaining() < 2) {
throw context.conContext.fatal(Alert.HANDSHAKE_FAILURE,
"Invalid ECC ClientKeyExchange message: insufficient data");
}
this.protocolVersion = context.clientHelloVersion;
this.encrypted = Record.getBytes16(m);
}
@Override
public SSLHandshake handshakeType() {
return SSLHandshake.CLIENT_KEY_EXCHANGE;
}
@Override
public int messageLength() {
return encrypted.length + 2;
}
@Override
public void send(HandshakeOutStream hos) throws IOException {
hos.putBytes16(encrypted);
}
@Override
public String toString() {
MessageFormat messageFormat = new MessageFormat(
"\"ECC ClientKeyExchange\": '{'\n" +
" \"client_version\": {0}\n" +
" \"encncrypted\": '{'\n" +
"{1}\n" +
" '}'\n" +
"'}'",
Locale.ENGLISH);
HexDumpEncoder hexEncoder = new HexDumpEncoder();
Object[] messageFields = {
ProtocolVersion.nameOf(protocolVersion),
Utilities.indent(
hexEncoder.encodeBuffer(encrypted), " "),
};
return messageFormat.format(messageFields);
}
}
/**
* The ECC "ClientKeyExchange" handshake message producer.
*/
private static final
class ECCClientKeyExchangeProducer implements HandshakeProducer {
// Prevent instantiation of this class.
private ECCClientKeyExchangeProducer() {
// blank
}
@Override
public byte[] produce(ConnectionContext context,
HandshakeMessage message) throws IOException {
// This happens in client side only.
ClientHandshakeContext chc = (ClientHandshakeContext)context;
GMX509Credentials gmx509Credentials = null;
for (SSLCredentials credential : chc.handshakeCredentials) {
if (credential instanceof GMX509Credentials) {
gmx509Credentials = (GMX509Credentials)credential;
break;
}
}
if (gmx509Credentials == null) {
throw chc.conContext.fatal(Alert.ILLEGAL_PARAMETER,
"No ECC credentials negotiated for client key exchange");
}
PublicKey publicKey = gmx509Credentials.popEncPublicKey;
if (!publicKey.getAlgorithm().equals("EC")) { // unlikely
throw chc.conContext.fatal(Alert.ILLEGAL_PARAMETER,
"Not ECC public key for client key exchange");
}
ECCPremasterSecret premaster;
ECCClientKeyExchangeMessage ckem;
try {
premaster = ECCPremasterSecret.createPremasterSecret(publicKey, chc);
chc.handshakePossessions.add(premaster);
ckem = new ECCClientKeyExchangeMessage(
chc, premaster, publicKey);
} catch (GeneralSecurityException gse) {
throw chc.conContext.fatal(Alert.ILLEGAL_PARAMETER,
"Cannot generate ECC premaster secret", gse);
}
if (SSLLogger.isOn && SSLLogger.isOn("ssl,handshake")) {
SSLLogger.fine(
"Produced ECC ClientKeyExchange handshake message", ckem);
}
// Output the handshake message.
ckem.write(chc.handshakeOutput);
chc.handshakeOutput.flush();
// update the states
SSLKeyExchange ke = SSLKeyExchange.valueOf(
chc.negotiatedCipherSuite.keyExchange,
chc.negotiatedProtocol);
if (ke == null) { // unlikely
throw chc.conContext.fatal(Alert.INTERNAL_ERROR,
"Not supported key exchange type");
} else {
SSLKeyDerivation masterKD = ke.createKeyDerivation(chc);
SecretKey masterSecret =
masterKD.deriveKey("MasterSecret", null);
// update the states
chc.handshakeSession.setMasterSecret(masterSecret);
SSLTrafficKeyDerivation kd =
SSLTrafficKeyDerivation.valueOf(chc.negotiatedProtocol);
if (kd == null) { // unlikely
throw chc.conContext.fatal(Alert.INTERNAL_ERROR,
"Not supported key derivation: " +
chc.negotiatedProtocol);
} else {
chc.handshakeKeyDerivation =
kd.createKeyDerivation(chc, masterSecret);
}
}
// The handshake message has been delivered.
return null;
}
}
/**
* The ECC "ClientKeyExchange" handshake message consumer.
*/
private static final
class ECCClientKeyExchangeConsumer implements SSLConsumer {
// Prevent instantiation of this class.
private ECCClientKeyExchangeConsumer() {
// blank
}
@Override
public void consume(ConnectionContext context,
ByteBuffer message) throws IOException {
// The consuming happens in server side only.
ServerHandshakeContext shc = (ServerHandshakeContext)context;
GMX509Possession gmx509Possession = null;
for (SSLPossession possession : shc.handshakePossessions) {
if (possession instanceof GMX509Possession) {
gmx509Possession = (GMX509Possession)possession;
break;
}
}
if (gmx509Possession == null) { // unlikely
throw shc.conContext.fatal(Alert.ILLEGAL_PARAMETER,
"No ECC possessions negotiated for client key exchange");
}
PrivateKey privateKey = gmx509Possession.popEncPrivateKey;
if (!privateKey.getAlgorithm().equals("EC")) { // unlikely
throw shc.conContext.fatal(Alert.ILLEGAL_PARAMETER,
"Not ECC private key for client key exchange");
}
ECCClientKeyExchangeMessage ckem =
new ECCClientKeyExchangeMessage(shc, message);
if (SSLLogger.isOn && SSLLogger.isOn("ssl,handshake")) {
SSLLogger.fine(
"Consuming ECC ClientKeyExchange handshake message", ckem);
}
// create the credentials
ECCPremasterSecret premaster;
try {
premaster =
ECCPremasterSecret.decode(shc, privateKey, ckem.encrypted);
shc.handshakeCredentials.add(premaster);
} catch (GeneralSecurityException gse) {
throw shc.conContext.fatal(Alert.ILLEGAL_PARAMETER,
"Cannot decode ECC premaster secret", gse);
}
// update the states
SSLKeyExchange ke = SSLKeyExchange.valueOf(
shc.negotiatedCipherSuite.keyExchange,
shc.negotiatedProtocol);
if (ke == null) { // unlikely
throw shc.conContext.fatal(Alert.INTERNAL_ERROR,
"Not supported key exchange type");
} else {
SSLKeyDerivation masterKD = ke.createKeyDerivation(shc);
SecretKey masterSecret =
masterKD.deriveKey("MasterSecret", null);
// update the states
shc.handshakeSession.setMasterSecret(masterSecret);
SSLTrafficKeyDerivation kd =
SSLTrafficKeyDerivation.valueOf(shc.negotiatedProtocol);
if (kd == null) { // unlikely
throw shc.conContext.fatal(Alert.INTERNAL_ERROR,
"Not supported key derivation: " +
shc.negotiatedProtocol);
} else {
shc.handshakeKeyDerivation =
kd.createKeyDerivation(shc, masterSecret);
}
}
}
}
}
