author | xuelei |
Mon, 25 Jun 2018 13:41:39 -0700 | |
changeset 50768 | 68fa3d4026ea |
parent 48225 | src/java.base/share/classes/sun/security/ssl/Handshaker.java@718669e6b375 |
child 51407 | 910f7b56592f |
permissions | -rw-r--r-- |
2 | 1 |
/* |
50768 | 2 |
* Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved. |
2 | 3 |
* 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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5506 | 7 |
* published by the Free Software Foundation. Oracle designates this |
2 | 8 |
* 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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5506 | 21 |
* 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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50768 | 28 |
import java.io.IOException; |
30904 | 29 |
import java.nio.ByteBuffer; |
50768 | 30 |
import java.security.AlgorithmConstraints; |
31 |
import java.security.CryptoPrimitive; |
|
32 |
import java.util.AbstractMap.SimpleImmutableEntry; |
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33 |
import java.util.ArrayList; |
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34 |
import java.util.Collections; |
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35 |
import java.util.EnumMap; |
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36 |
import java.util.EnumSet; |
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import java.util.HashMap; |
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import java.util.LinkedHashMap; |
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import java.util.LinkedList; |
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import java.util.List; |
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41 |
import java.util.Map; |
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import java.util.Queue; |
|
43 |
import javax.crypto.SecretKey; |
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44 |
import javax.net.ssl.SNIServerName; |
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45 |
import javax.net.ssl.SSLHandshakeException; |
|
46 |
import sun.security.ssl.SupportedGroupsExtension.NamedGroup; |
|
47 |
import sun.security.ssl.SupportedGroupsExtension.NamedGroupType; |
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48 |
import static sun.security.ssl.SupportedGroupsExtension.NamedGroupType.*; |
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import sun.security.ssl.SupportedGroupsExtension.SupportedGroups; |
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50 |
import sun.security.ssl.PskKeyExchangeModesExtension.PskKeyExchangeMode; |
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2 | 51 |
|
50768 | 52 |
abstract class HandshakeContext implements ConnectionContext { |
53 |
// System properties |
|
2 | 54 |
|
50768 | 55 |
// By default, disable the unsafe legacy session renegotiation. |
56 |
static final boolean allowUnsafeRenegotiation = |
|
57 |
Utilities.getBooleanProperty( |
|
5182 | 58 |
"sun.security.ssl.allowUnsafeRenegotiation", false); |
59 |
||
6856 | 60 |
// For maximum interoperability and backward compatibility, RFC 5746 |
61 |
// allows server (or client) to accept ClientHello (or ServerHello) |
|
62 |
// message without the secure renegotiation_info extension or SCSV. |
|
63 |
// |
|
64 |
// For maximum security, RFC 5746 also allows server (or client) to |
|
65 |
// reject such message with a fatal "handshake_failure" alert. |
|
66 |
// |
|
67 |
// By default, allow such legacy hello messages. |
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50768 | 68 |
static final boolean allowLegacyHelloMessages = |
69 |
Utilities.getBooleanProperty( |
|
6856 | 70 |
"sun.security.ssl.allowLegacyHelloMessages", true); |
71 |
||
50768 | 72 |
// registered handshake message actors |
73 |
LinkedHashMap<Byte, SSLConsumer> handshakeConsumers; |
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final HashMap<Byte, HandshakeProducer> handshakeProducers; |
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75 |
||
76 |
// context |
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final SSLContextImpl sslContext; |
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78 |
final TransportContext conContext; |
|
79 |
final SSLConfiguration sslConfig; |
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80 |
||
81 |
// consolidated parameters |
|
82 |
final List<ProtocolVersion> activeProtocols; |
|
83 |
final List<CipherSuite> activeCipherSuites; |
|
84 |
final AlgorithmConstraints algorithmConstraints; |
|
85 |
final ProtocolVersion maximumActiveProtocol; |
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86 |
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87 |
// output stream |
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88 |
final HandshakeOutStream handshakeOutput; |
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89 |
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90 |
// handshake transcript hash |
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final HandshakeHash handshakeHash; |
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// negotiated security parameters |
94 |
SSLSessionImpl handshakeSession; |
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95 |
boolean handshakeFinished; |
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// boolean isInvalidated; |
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98 |
boolean kickstartMessageDelivered; |
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// Resumption |
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boolean isResumption; |
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SSLSessionImpl resumingSession; |
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final Queue<Map.Entry<Byte, ByteBuffer>> delegatedActions; |
105 |
volatile boolean taskDelegated = false; |
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volatile Exception delegatedThrown = null; |
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107 |
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108 |
ProtocolVersion negotiatedProtocol; |
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109 |
CipherSuite negotiatedCipherSuite; |
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110 |
final List<SSLPossession> handshakePossessions; |
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111 |
final List<SSLCredentials> handshakeCredentials; |
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SSLKeyDerivation handshakeKeyDerivation; |
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SSLKeyExchange handshakeKeyExchange; |
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SecretKey baseReadSecret; |
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SecretKey baseWriteSecret; |
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50768 | 117 |
// protocol version being established |
118 |
int clientHelloVersion; |
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119 |
String applicationProtocol; |
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120 |
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121 |
RandomCookie clientHelloRandom; |
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RandomCookie serverHelloRandom; |
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byte[] certRequestContext; |
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125 |
//////////////////// |
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126 |
// Extensions |
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50768 | 128 |
// the extensions used in the handshake |
129 |
final Map<SSLExtension, SSLExtension.SSLExtensionSpec> |
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handshakeExtensions; |
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50768 | 132 |
// MaxFragmentLength |
133 |
int maxFragmentLength; |
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134 |
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135 |
// SignatureScheme |
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136 |
List<SignatureScheme> localSupportedSignAlgs; |
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137 |
List<SignatureScheme> peerRequestedSignatureSchemes; |
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List<SignatureScheme> peerRequestedCertSignSchemes; |
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5182 | 139 |
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50768 | 140 |
// SupportedGroups |
141 |
List<NamedGroup> clientRequestedNamedGroups; |
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142 |
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143 |
// HelloRetryRequest |
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NamedGroup serverSelectedNamedGroup; |
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145 |
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146 |
// if server name indicator is negotiated |
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147 |
// |
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148 |
// May need a public API for the indication in the future. |
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149 |
List<SNIServerName> requestedServerNames; |
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150 |
SNIServerName negotiatedServerName; |
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30904 | 151 |
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50768 | 152 |
// OCSP Stapling info |
153 |
boolean staplingActive = false; |
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154 |
||
155 |
protected HandshakeContext(SSLContextImpl sslContext, |
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TransportContext conContext) throws IOException { |
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157 |
this.sslContext = sslContext; |
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this.conContext = conContext; |
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159 |
this.sslConfig = (SSLConfiguration)conContext.sslConfig.clone(); |
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160 |
||
161 |
this.activeProtocols = getActiveProtocols(sslConfig.enabledProtocols, |
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sslConfig.enabledCipherSuites, sslConfig.algorithmConstraints); |
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if (activeProtocols.isEmpty()) { |
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throw new SSLHandshakeException( |
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"No appropriate protocol (protocol is disabled or " + |
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"cipher suites are inappropriate)"); |
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} |
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50768 | 169 |
ProtocolVersion maximumVersion = ProtocolVersion.NONE; |
170 |
for (ProtocolVersion pv : this.activeProtocols) { |
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171 |
if (maximumVersion == ProtocolVersion.NONE || |
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pv.compare(maximumVersion) > 0) { |
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maximumVersion = pv; |
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174 |
} |
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175 |
} |
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this.maximumActiveProtocol = maximumVersion; |
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this.activeCipherSuites = getActiveCipherSuites(this.activeProtocols, |
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sslConfig.enabledCipherSuites, sslConfig.algorithmConstraints); |
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if (activeCipherSuites.isEmpty()) { |
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throw new SSLHandshakeException("No appropriate cipher suite"); |
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} |
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this.algorithmConstraints = |
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new SSLAlgorithmConstraints(sslConfig.algorithmConstraints); |
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184 |
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185 |
this.handshakeConsumers = new LinkedHashMap<>(); |
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this.handshakeProducers = new HashMap<>(); |
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this.handshakeHash = conContext.inputRecord.handshakeHash; |
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this.handshakeOutput = new HandshakeOutStream(conContext.outputRecord); |
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190 |
this.handshakeFinished = false; |
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this.kickstartMessageDelivered = false; |
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192 |
||
193 |
this.delegatedActions = new LinkedList<>(); |
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194 |
this.handshakeExtensions = new HashMap<>(); |
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this.handshakePossessions = new LinkedList<>(); |
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this.handshakeCredentials = new LinkedList<>(); |
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this.requestedServerNames = null; |
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this.negotiatedServerName = null; |
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this.negotiatedCipherSuite = conContext.cipherSuite; |
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initialize(); |
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} |
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||
203 |
/** |
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* Constructor for PostHandshakeContext |
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205 |
*/ |
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206 |
HandshakeContext(TransportContext conContext) { |
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this.sslContext = conContext.sslContext; |
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this.conContext = conContext; |
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this.sslConfig = conContext.sslConfig; |
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||
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this.negotiatedProtocol = conContext.protocolVersion; |
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this.negotiatedCipherSuite = conContext.cipherSuite; |
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this.handshakeOutput = new HandshakeOutStream(conContext.outputRecord); |
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this.delegatedActions = new LinkedList<>(); |
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215 |
||
216 |
this.handshakeProducers = null; |
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this.handshakeHash = null; |
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218 |
this.activeProtocols = null; |
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this.activeCipherSuites = null; |
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this.algorithmConstraints = null; |
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this.maximumActiveProtocol = null; |
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this.handshakeExtensions = Collections.emptyMap(); // Not in TLS13 |
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223 |
this.handshakePossessions = null; |
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224 |
this.handshakeCredentials = null; |
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225 |
} |
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226 |
||
227 |
// Initialize the non-final class variables. |
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228 |
private void initialize() { |
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229 |
ProtocolVersion inputHelloVersion; |
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230 |
ProtocolVersion outputHelloVersion; |
|
231 |
if (conContext.isNegotiated) { |
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inputHelloVersion = conContext.protocolVersion; |
|
233 |
outputHelloVersion = conContext.protocolVersion; |
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48225
718669e6b375
8148421: Transport Layer Security (TLS) Session Hash and Extended Master Secret Extension
xuelei
parents:
47216
diff
changeset
|
234 |
} else { |
50768 | 235 |
if (activeProtocols.contains(ProtocolVersion.SSL20Hello)) { |
236 |
inputHelloVersion = ProtocolVersion.SSL20Hello; |
|
237 |
||
238 |
// Per TLS 1.3 protocol, implementation MUST NOT send an SSL |
|
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// version 2.0 compatible CLIENT-HELLO. |
|
240 |
if (maximumActiveProtocol.useTLS13PlusSpec()) { |
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outputHelloVersion = maximumActiveProtocol; |
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} else { |
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outputHelloVersion = ProtocolVersion.SSL20Hello; |
|
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} |
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} else { |
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inputHelloVersion = maximumActiveProtocol; |
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outputHelloVersion = maximumActiveProtocol; |
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} |
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} |
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250 |
||
251 |
conContext.inputRecord.setHelloVersion(inputHelloVersion); |
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conContext.outputRecord.setHelloVersion(outputHelloVersion); |
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253 |
||
254 |
if (!conContext.isNegotiated) { |
|
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conContext.protocolVersion = maximumActiveProtocol; |
|
256 |
} |
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257 |
conContext.outputRecord.setVersion(conContext.protocolVersion); |
|
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} |
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||
260 |
private static List<ProtocolVersion> getActiveProtocols( |
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261 |
List<ProtocolVersion> enabledProtocols, |
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262 |
List<CipherSuite> enabledCipherSuites, |
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AlgorithmConstraints algorithmConstraints) { |
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264 |
boolean enabledSSL20Hello = false; |
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265 |
ArrayList<ProtocolVersion> protocols = new ArrayList<>(4); |
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for (ProtocolVersion protocol : enabledProtocols) { |
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if (!enabledSSL20Hello && protocol == ProtocolVersion.SSL20Hello) { |
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enabledSSL20Hello = true; |
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continue; |
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} |
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||
272 |
if (!algorithmConstraints.permits( |
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EnumSet.of(CryptoPrimitive.KEY_AGREEMENT), |
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protocol.name, null)) { |
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// Ignore disabled protocol. |
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276 |
continue; |
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277 |
} |
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278 |
||
279 |
boolean found = false; |
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Map<NamedGroupType, Boolean> cachedStatus = |
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new EnumMap<>(NamedGroupType.class); |
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282 |
for (CipherSuite suite : enabledCipherSuites) { |
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283 |
if (suite.isAvailable() && suite.supports(protocol)) { |
|
284 |
if (isActivatable(suite, |
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algorithmConstraints, cachedStatus)) { |
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protocols.add(protocol); |
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found = true; |
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break; |
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289 |
} |
|
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} else if (SSLLogger.isOn && SSLLogger.isOn("verbose")) { |
|
291 |
SSLLogger.fine( |
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292 |
"Ignore unsupported cipher suite: " + suite + |
|
293 |
" for " + protocol); |
|
294 |
} |
|
295 |
} |
|
296 |
||
297 |
if (!found && (SSLLogger.isOn) && SSLLogger.isOn("handshake")) { |
|
298 |
SSLLogger.fine( |
|
299 |
"No available cipher suite for " + protocol); |
|
300 |
} |
|
301 |
} |
|
302 |
||
303 |
if (!protocols.isEmpty()) { |
|
304 |
if (enabledSSL20Hello) { |
|
305 |
protocols.add(ProtocolVersion.SSL20Hello); |
|
306 |
} |
|
307 |
Collections.sort(protocols); |
|
308 |
} |
|
309 |
||
310 |
return Collections.unmodifiableList(protocols); |
|
311 |
} |
|
312 |
||
313 |
private static List<CipherSuite> getActiveCipherSuites( |
|
314 |
List<ProtocolVersion> enabledProtocols, |
|
315 |
List<CipherSuite> enabledCipherSuites, |
|
316 |
AlgorithmConstraints algorithmConstraints) { |
|
317 |
||
318 |
List<CipherSuite> suites = new LinkedList<>(); |
|
319 |
if (enabledProtocols != null && !enabledProtocols.isEmpty()) { |
|
320 |
Map<NamedGroupType, Boolean> cachedStatus = |
|
321 |
new EnumMap<>(NamedGroupType.class); |
|
322 |
for (CipherSuite suite : enabledCipherSuites) { |
|
323 |
if (!suite.isAvailable()) { |
|
324 |
continue; |
|
325 |
} |
|
326 |
||
327 |
boolean isSupported = false; |
|
328 |
for (ProtocolVersion protocol : enabledProtocols) { |
|
329 |
if (!suite.supports(protocol)) { |
|
330 |
continue; |
|
331 |
} |
|
332 |
if (isActivatable(suite, |
|
333 |
algorithmConstraints, cachedStatus)) { |
|
334 |
suites.add(suite); |
|
335 |
isSupported = true; |
|
336 |
break; |
|
337 |
} |
|
338 |
} |
|
339 |
||
340 |
if (!isSupported && |
|
341 |
SSLLogger.isOn && SSLLogger.isOn("verbose")) { |
|
342 |
SSLLogger.finest( |
|
343 |
"Ignore unsupported cipher suite: " + suite); |
|
344 |
} |
|
345 |
} |
|
346 |
} |
|
347 |
||
348 |
return Collections.unmodifiableList(suites); |
|
349 |
} |
|
350 |
||
351 |
/** |
|
352 |
* Parse the handshake record and return the contentType |
|
353 |
*/ |
|
354 |
static byte getHandshakeType(TransportContext conContext, |
|
355 |
Plaintext plaintext) throws IOException { |
|
356 |
// struct { |
|
357 |
// HandshakeType msg_type; /* handshake type */ |
|
358 |
// uint24 length; /* bytes in message */ |
|
359 |
// select (HandshakeType) { |
|
360 |
// ... |
|
361 |
// } body; |
|
362 |
// } Handshake; |
|
363 |
||
364 |
if (plaintext.contentType != ContentType.HANDSHAKE.id) { |
|
365 |
conContext.fatal(Alert.INTERNAL_ERROR, |
|
366 |
"Unexpected operation for record: " + plaintext.contentType); |
|
367 |
||
368 |
return 0; |
|
369 |
} |
|
370 |
||
371 |
if (plaintext.fragment == null || plaintext.fragment.remaining() < 4) { |
|
372 |
conContext.fatal(Alert.UNEXPECTED_MESSAGE, |
|
373 |
"Invalid handshake message: insufficient data"); |
|
374 |
||
375 |
return 0; |
|
376 |
} |
|
377 |
||
378 |
byte handshakeType = (byte)Record.getInt8(plaintext.fragment); |
|
379 |
int handshakeLen = Record.getInt24(plaintext.fragment); |
|
380 |
if (handshakeLen != plaintext.fragment.remaining()) { |
|
381 |
conContext.fatal(Alert.UNEXPECTED_MESSAGE, |
|
382 |
"Invalid handshake message: insufficient handshake body"); |
|
383 |
||
384 |
return 0; |
|
385 |
} |
|
386 |
||
387 |
return handshakeType; |
|
388 |
} |
|
389 |
||
390 |
void dispatch(byte handshakeType, Plaintext plaintext) throws IOException { |
|
391 |
if (conContext.transport.useDelegatedTask()) { |
|
392 |
boolean hasDelegated = !delegatedActions.isEmpty(); |
|
393 |
if (hasDelegated || |
|
394 |
(handshakeType != SSLHandshake.FINISHED.id && |
|
395 |
handshakeType != SSLHandshake.KEY_UPDATE.id && |
|
396 |
handshakeType != SSLHandshake.NEW_SESSION_TICKET.id)) { |
|
397 |
if (!hasDelegated) { |
|
398 |
taskDelegated = false; |
|
399 |
delegatedThrown = null; |
|
400 |
} |
|
401 |
||
402 |
// Clone the fragment for delegated actions. |
|
403 |
// |
|
404 |
// The plaintext may share the application buffers. It is |
|
405 |
// fine to use shared buffers if no delegated actions. |
|
406 |
// However, for delegated actions, the shared buffers may be |
|
407 |
// polluted in application layer before the delegated actions |
|
408 |
// executed. |
|
409 |
ByteBuffer fragment = ByteBuffer.wrap( |
|
410 |
new byte[plaintext.fragment.remaining()]); |
|
411 |
fragment.put(plaintext.fragment); |
|
412 |
fragment = fragment.rewind(); |
|
413 |
||
414 |
delegatedActions.add(new SimpleImmutableEntry<>( |
|
415 |
handshakeType, |
|
416 |
fragment |
|
417 |
)); |
|
418 |
} else { |
|
419 |
dispatch(handshakeType, plaintext.fragment); |
|
420 |
} |
|
421 |
} else { |
|
422 |
dispatch(handshakeType, plaintext.fragment); |
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718669e6b375
8148421: Transport Layer Security (TLS) Session Hash and Extended Master Secret Extension
xuelei
parents:
47216
diff
changeset
|
423 |
} |
718669e6b375
8148421: Transport Layer Security (TLS) Session Hash and Extended Master Secret Extension
xuelei
parents:
47216
diff
changeset
|
424 |
} |
718669e6b375
8148421: Transport Layer Security (TLS) Session Hash and Extended Master Secret Extension
xuelei
parents:
47216
diff
changeset
|
425 |
|
50768 | 426 |
void dispatch(byte handshakeType, |
427 |
ByteBuffer fragment) throws IOException { |
|
428 |
SSLConsumer consumer; |
|
429 |
if (handshakeType == SSLHandshake.HELLO_REQUEST.id) { |
|
430 |
// For TLS 1.2 and prior versions, the HelloRequest message MAY |
|
431 |
// be sent by the server at any time. |
|
432 |
consumer = SSLHandshake.HELLO_REQUEST; |
|
433 |
} else { |
|
434 |
consumer = handshakeConsumers.get(handshakeType); |
|
6856 | 435 |
} |
2 | 436 |
|
50768 | 437 |
if (consumer == null) { |
438 |
conContext.fatal(Alert.UNEXPECTED_MESSAGE, |
|
439 |
"Unexpected handshake message: " + |
|
440 |
SSLHandshake.nameOf(handshakeType)); |
|
441 |
return; |
|
442 |
} |
|
2 | 443 |
|
50768 | 444 |
try { |
445 |
consumer.consume(this, fragment); |
|
446 |
} catch (UnsupportedOperationException unsoe) { |
|
447 |
conContext.fatal(Alert.UNEXPECTED_MESSAGE, |
|
448 |
"Unsupported handshake message: " + |
|
449 |
SSLHandshake.nameOf(handshakeType), unsoe); |
|
2 | 450 |
} |
451 |
||
50768 | 452 |
// update handshake hash after handshake message consumption. |
453 |
handshakeHash.consume(); |
|
2 | 454 |
} |
455 |
||
50768 | 456 |
abstract void kickstart() throws IOException; |
2 | 457 |
|
50768 | 458 |
/** |
459 |
* Check if the given cipher suite is enabled and available within |
|
460 |
* the current active cipher suites. |
|
461 |
* |
|
462 |
* Does not check if the required server certificates are available. |
|
463 |
*/ |
|
464 |
boolean isNegotiable(CipherSuite cs) { |
|
465 |
return isNegotiable(activeCipherSuites, cs); |
|
2 | 466 |
} |
467 |
||
50768 | 468 |
/** |
469 |
* Check if the given cipher suite is enabled and available within |
|
470 |
* the proposed cipher suite list. |
|
471 |
* |
|
472 |
* Does not check if the required server certificates are available. |
|
473 |
*/ |
|
474 |
static final boolean isNegotiable( |
|
475 |
List<CipherSuite> proposed, CipherSuite cs) { |
|
476 |
return proposed.contains(cs) && cs.isNegotiable(); |
|
2 | 477 |
} |
478 |
||
50768 | 479 |
/** |
480 |
* Check if the given cipher suite is enabled and available within |
|
481 |
* the proposed cipher suite list and specific protocol version. |
|
482 |
* |
|
483 |
* Does not check if the required server certificates are available. |
|
484 |
*/ |
|
485 |
static final boolean isNegotiable(List<CipherSuite> proposed, |
|
486 |
ProtocolVersion protocolVersion, CipherSuite cs) { |
|
487 |
return proposed.contains(cs) && |
|
488 |
cs.isNegotiable() && cs.supports(protocolVersion); |
|
2 | 489 |
} |
490 |
||
50768 | 491 |
/** |
492 |
* Check if the given protocol version is enabled and available. |
|
493 |
*/ |
|
494 |
boolean isNegotiable(ProtocolVersion protocolVersion) { |
|
495 |
return activeProtocols.contains(protocolVersion); |
|
2 | 496 |
} |
497 |
||
498 |
/** |
|
499 |
* Set the active protocol version and propagate it to the SSLSocket |
|
500 |
* and our handshake streams. Called from ClientHandshaker |
|
501 |
* and ServerHandshaker with the negotiated protocol version. |
|
502 |
*/ |
|
503 |
void setVersion(ProtocolVersion protocolVersion) { |
|
50768 | 504 |
this.conContext.protocolVersion = protocolVersion; |
19823
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|
505 |
} |
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|
506 |
|
50768 | 507 |
private static boolean isActivatable(CipherSuite suite, |
508 |
AlgorithmConstraints algorithmConstraints, |
|
45064
b1b45177051b
8140436: Negotiated Finite Field Diffie-Hellman Ephemeral Parameters for TLS
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parents:
42706
diff
changeset
|
509 |
Map<NamedGroupType, Boolean> cachedStatus) { |
b1b45177051b
8140436: Negotiated Finite Field Diffie-Hellman Ephemeral Parameters for TLS
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parents:
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diff
changeset
|
510 |
|
b1b45177051b
8140436: Negotiated Finite Field Diffie-Hellman Ephemeral Parameters for TLS
xuelei
parents:
42706
diff
changeset
|
511 |
if (algorithmConstraints.permits( |
b1b45177051b
8140436: Negotiated Finite Field Diffie-Hellman Ephemeral Parameters for TLS
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parents:
42706
diff
changeset
|
512 |
EnumSet.of(CryptoPrimitive.KEY_AGREEMENT), suite.name, null)) { |
50768 | 513 |
if (suite.keyExchange == null) { |
514 |
// TLS 1.3, no definition of key exchange in cipher suite. |
|
515 |
return true; |
|
516 |
} |
|
517 |
||
518 |
boolean available; |
|
45064
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8140436: Negotiated Finite Field Diffie-Hellman Ephemeral Parameters for TLS
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parents:
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diff
changeset
|
519 |
NamedGroupType groupType = suite.keyExchange.groupType; |
b1b45177051b
8140436: Negotiated Finite Field Diffie-Hellman Ephemeral Parameters for TLS
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parents:
42706
diff
changeset
|
520 |
if (groupType != NAMED_GROUP_NONE) { |
b1b45177051b
8140436: Negotiated Finite Field Diffie-Hellman Ephemeral Parameters for TLS
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parents:
42706
diff
changeset
|
521 |
Boolean checkedStatus = cachedStatus.get(groupType); |
b1b45177051b
8140436: Negotiated Finite Field Diffie-Hellman Ephemeral Parameters for TLS
xuelei
parents:
42706
diff
changeset
|
522 |
if (checkedStatus == null) { |
50768 | 523 |
available = SupportedGroups.isActivatable( |
45064
b1b45177051b
8140436: Negotiated Finite Field Diffie-Hellman Ephemeral Parameters for TLS
xuelei
parents:
42706
diff
changeset
|
524 |
algorithmConstraints, groupType); |
b1b45177051b
8140436: Negotiated Finite Field Diffie-Hellman Ephemeral Parameters for TLS
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parents:
42706
diff
changeset
|
525 |
cachedStatus.put(groupType, available); |
b1b45177051b
8140436: Negotiated Finite Field Diffie-Hellman Ephemeral Parameters for TLS
xuelei
parents:
42706
diff
changeset
|
526 |
|
50768 | 527 |
if (!available && |
528 |
SSLLogger.isOn && SSLLogger.isOn("verbose")) { |
|
529 |
SSLLogger.fine("No activated named group"); |
|
45064
b1b45177051b
8140436: Negotiated Finite Field Diffie-Hellman Ephemeral Parameters for TLS
xuelei
parents:
42706
diff
changeset
|
530 |
} |
b1b45177051b
8140436: Negotiated Finite Field Diffie-Hellman Ephemeral Parameters for TLS
xuelei
parents:
42706
diff
changeset
|
531 |
} else { |
50768 | 532 |
available = checkedStatus; |
45064
b1b45177051b
8140436: Negotiated Finite Field Diffie-Hellman Ephemeral Parameters for TLS
xuelei
parents:
42706
diff
changeset
|
533 |
} |
b1b45177051b
8140436: Negotiated Finite Field Diffie-Hellman Ephemeral Parameters for TLS
xuelei
parents:
42706
diff
changeset
|
534 |
|
50768 | 535 |
if (!available && SSLLogger.isOn && SSLLogger.isOn("verbose")) { |
536 |
SSLLogger.fine( |
|
45064
b1b45177051b
8140436: Negotiated Finite Field Diffie-Hellman Ephemeral Parameters for TLS
xuelei
parents:
42706
diff
changeset
|
537 |
"No active named group, ignore " + suite); |
b1b45177051b
8140436: Negotiated Finite Field Diffie-Hellman Ephemeral Parameters for TLS
xuelei
parents:
42706
diff
changeset
|
538 |
} |
b1b45177051b
8140436: Negotiated Finite Field Diffie-Hellman Ephemeral Parameters for TLS
xuelei
parents:
42706
diff
changeset
|
539 |
return available; |
b1b45177051b
8140436: Negotiated Finite Field Diffie-Hellman Ephemeral Parameters for TLS
xuelei
parents:
42706
diff
changeset
|
540 |
} else { |
b1b45177051b
8140436: Negotiated Finite Field Diffie-Hellman Ephemeral Parameters for TLS
xuelei
parents:
42706
diff
changeset
|
541 |
return true; |
b1b45177051b
8140436: Negotiated Finite Field Diffie-Hellman Ephemeral Parameters for TLS
xuelei
parents:
42706
diff
changeset
|
542 |
} |
50768 | 543 |
} else if (SSLLogger.isOn && SSLLogger.isOn("verbose")) { |
544 |
SSLLogger.fine("Ignore disabled cipher suite: " + suite); |
|
45064
b1b45177051b
8140436: Negotiated Finite Field Diffie-Hellman Ephemeral Parameters for TLS
xuelei
parents:
42706
diff
changeset
|
545 |
} |
b1b45177051b
8140436: Negotiated Finite Field Diffie-Hellman Ephemeral Parameters for TLS
xuelei
parents:
42706
diff
changeset
|
546 |
|
b1b45177051b
8140436: Negotiated Finite Field Diffie-Hellman Ephemeral Parameters for TLS
xuelei
parents:
42706
diff
changeset
|
547 |
return false; |
b1b45177051b
8140436: Negotiated Finite Field Diffie-Hellman Ephemeral Parameters for TLS
xuelei
parents:
42706
diff
changeset
|
548 |
} |
b1b45177051b
8140436: Negotiated Finite Field Diffie-Hellman Ephemeral Parameters for TLS
xuelei
parents:
42706
diff
changeset
|
549 |
|
50768 | 550 |
List<SNIServerName> getRequestedServerNames() { |
551 |
if (requestedServerNames == null) { |
|
552 |
return Collections.<SNIServerName>emptyList(); |
|
30904 | 553 |
} |
50768 | 554 |
return requestedServerNames; |
2 | 555 |
} |
556 |
} |
|
50768 | 557 |