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/*
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* Copyright (c) 2015, 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.security.GeneralSecurityException;
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import java.security.InvalidKeyException;
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import java.security.MessageDigest;
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import java.security.NoSuchAlgorithmException;
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import java.security.ProviderException;
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import java.security.spec.AlgorithmParameterSpec;
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import java.text.MessageFormat;
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import java.util.Locale;
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import javax.crypto.KeyGenerator;
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import javax.crypto.Mac;
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import javax.crypto.SecretKey;
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import javax.crypto.spec.IvParameterSpec;
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import javax.crypto.spec.SecretKeySpec;
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import sun.security.internal.spec.TlsPrfParameterSpec;
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import sun.security.ssl.CipherSuite.HashAlg;
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import static sun.security.ssl.CipherSuite.HashAlg.H_NONE;
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import sun.security.ssl.SSLBasicKeyDerivation.SecretSizeSpec;
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import sun.security.ssl.SSLCipher.SSLReadCipher;
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import sun.security.ssl.SSLCipher.SSLWriteCipher;
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import sun.security.ssl.SSLHandshake.HandshakeMessage;
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import sun.security.util.HexDumpEncoder;
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/**
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* Pack of the Finished handshake message.
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*/
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final class Finished {
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static final SSLConsumer t12HandshakeConsumer =
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new T12FinishedConsumer();
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static final HandshakeProducer t12HandshakeProducer =
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new T12FinishedProducer();
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static final SSLConsumer t13HandshakeConsumer =
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new T13FinishedConsumer();
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static final HandshakeProducer t13HandshakeProducer =
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new T13FinishedProducer();
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/**
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* The Finished handshake message.
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*/
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private static final class FinishedMessage extends HandshakeMessage {
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private final byte[] verifyData;
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FinishedMessage(HandshakeContext context) throws IOException {
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super(context);
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VerifyDataScheme vds =
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VerifyDataScheme.valueOf(context.negotiatedProtocol);
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byte[] vd = null;
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try {
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vd = vds.createVerifyData(context, false);
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} catch (IOException ioe) {
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context.conContext.fatal(Alert.ILLEGAL_PARAMETER,
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"Failed to generate verify_data", ioe);
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}
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this.verifyData = vd;
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}
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FinishedMessage(HandshakeContext context,
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ByteBuffer m) throws IOException {
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super(context);
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int verifyDataLen = 12;
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if (context.negotiatedProtocol == ProtocolVersion.SSL30) {
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verifyDataLen = 36;
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} else if (context.negotiatedProtocol.useTLS13PlusSpec()) {
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verifyDataLen =
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context.negotiatedCipherSuite.hashAlg.hashLength;
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}
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if (m.remaining() != verifyDataLen) {
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context.conContext.fatal(Alert.ILLEGAL_PARAMETER,
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"Inappropriate finished message: need " + verifyDataLen +
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" but remaining " + m.remaining() + " bytes verify_data");
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}
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this.verifyData = new byte[verifyDataLen];
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m.get(verifyData);
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VerifyDataScheme vd =
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VerifyDataScheme.valueOf(context.negotiatedProtocol);
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byte[] myVerifyData;
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try {
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myVerifyData = vd.createVerifyData(context, true);
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} catch (IOException ioe) {
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context.conContext.fatal(Alert.ILLEGAL_PARAMETER,
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"Failed to generate verify_data", ioe);
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return; // make the compiler happy
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}
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if (!MessageDigest.isEqual(myVerifyData, verifyData)) {
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context.conContext.fatal(Alert.ILLEGAL_PARAMETER,
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"The Finished message cannot be verified.");
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}
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}
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@Override
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public SSLHandshake handshakeType() {
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return SSLHandshake.FINISHED;
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}
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@Override
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public int messageLength() {
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return verifyData.length;
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}
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@Override
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public void send(HandshakeOutStream hos) throws IOException {
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hos.write(verifyData);
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}
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@Override
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public String toString() {
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MessageFormat messageFormat = new MessageFormat(
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"\"Finished\": '{'\n" +
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" \"verify data\": '{'\n" +
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"{0}\n" +
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" '}'" +
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"'}'",
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Locale.ENGLISH);
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HexDumpEncoder hexEncoder = new HexDumpEncoder();
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Object[] messageFields = {
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Utilities.indent(hexEncoder.encode(verifyData), " "),
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};
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return messageFormat.format(messageFields);
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}
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}
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interface VerifyDataGenerator {
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byte[] createVerifyData(HandshakeContext context,
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boolean isValidation) throws IOException;
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}
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enum VerifyDataScheme {
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SSL30 ("kdf_ssl30", new S30VerifyDataGenerator()),
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TLS10 ("kdf_tls10", new T10VerifyDataGenerator()),
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TLS12 ("kdf_tls12", new T12VerifyDataGenerator()),
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TLS13 ("kdf_tls13", new T13VerifyDataGenerator());
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final String name;
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final VerifyDataGenerator generator;
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VerifyDataScheme(String name, VerifyDataGenerator verifyDataGenerator) {
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this.name = name;
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this.generator = verifyDataGenerator;
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}
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static VerifyDataScheme valueOf(ProtocolVersion protocolVersion) {
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switch (protocolVersion) {
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case SSL30:
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return VerifyDataScheme.SSL30;
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case TLS10:
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case TLS11:
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case DTLS10:
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return VerifyDataScheme.TLS10;
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case TLS12:
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case DTLS12:
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return VerifyDataScheme.TLS12;
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case TLS13:
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return VerifyDataScheme.TLS13;
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default:
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return null;
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}
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}
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public byte[] createVerifyData(HandshakeContext context,
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boolean isValidation) throws IOException {
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if (generator != null) {
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return generator.createVerifyData(context, isValidation);
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}
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throw new UnsupportedOperationException("Not supported yet.");
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}
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}
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// SSL 3.0
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private static final
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class S30VerifyDataGenerator implements VerifyDataGenerator {
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@Override
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public byte[] createVerifyData(HandshakeContext context,
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boolean isValidation) throws IOException {
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HandshakeHash handshakeHash = context.handshakeHash;
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SecretKey masterSecretKey =
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context.handshakeSession.getMasterSecret();
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boolean useClientLabel =
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(context.sslConfig.isClientMode && !isValidation) ||
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(!context.sslConfig.isClientMode && isValidation);
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return handshakeHash.digest(useClientLabel, masterSecretKey);
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}
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}
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// TLS 1.0, TLS 1.1, DTLS 1.0
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private static final
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class T10VerifyDataGenerator implements VerifyDataGenerator {
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@Override
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public byte[] createVerifyData(HandshakeContext context,
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boolean isValidation) throws IOException {
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HandshakeHash handshakeHash = context.handshakeHash;
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SecretKey masterSecretKey =
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context.handshakeSession.getMasterSecret();
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boolean useClientLabel =
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(context.sslConfig.isClientMode && !isValidation) ||
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(!context.sslConfig.isClientMode && isValidation);
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String tlsLabel;
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if (useClientLabel) {
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tlsLabel = "client finished";
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} else {
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tlsLabel = "server finished";
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}
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try {
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byte[] seed = handshakeHash.digest();
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String prfAlg = "SunTlsPrf";
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HashAlg hashAlg = H_NONE;
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/*
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* RFC 5246/7.4.9 says that finished messages can
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* be ciphersuite-specific in both length/PRF hash
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* algorithm. If we ever run across a different
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* length, this call will need to be updated.
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*/
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@SuppressWarnings("deprecation")
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TlsPrfParameterSpec spec = new TlsPrfParameterSpec(
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masterSecretKey, tlsLabel, seed, 12,
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hashAlg.name, hashAlg.hashLength, hashAlg.blockSize);
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KeyGenerator kg = JsseJce.getKeyGenerator(prfAlg);
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kg.init(spec);
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SecretKey prfKey = kg.generateKey();
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if (!"RAW".equals(prfKey.getFormat())) {
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throw new ProviderException(
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"Invalid PRF output, format must be RAW. " +
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"Format received: " + prfKey.getFormat());
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}
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byte[] finished = prfKey.getEncoded();
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return finished;
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} catch (GeneralSecurityException e) {
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throw new RuntimeException("PRF failed", e);
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}
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}
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}
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// TLS 1.2
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private static final
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class T12VerifyDataGenerator implements VerifyDataGenerator {
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@Override
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public byte[] createVerifyData(HandshakeContext context,
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boolean isValidation) throws IOException {
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CipherSuite cipherSuite = context.negotiatedCipherSuite;
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HandshakeHash handshakeHash = context.handshakeHash;
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SecretKey masterSecretKey =
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context.handshakeSession.getMasterSecret();
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boolean useClientLabel =
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(context.sslConfig.isClientMode && !isValidation) ||
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(!context.sslConfig.isClientMode && isValidation);
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String tlsLabel;
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if (useClientLabel) {
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tlsLabel = "client finished";
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} else {
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tlsLabel = "server finished";
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}
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try {
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byte[] seed = handshakeHash.digest();
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String prfAlg = "SunTls12Prf";
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HashAlg hashAlg = cipherSuite.hashAlg;
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/*
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* RFC 5246/7.4.9 says that finished messages can
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* be ciphersuite-specific in both length/PRF hash
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* algorithm. If we ever run across a different
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* length, this call will need to be updated.
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*/
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@SuppressWarnings("deprecation")
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TlsPrfParameterSpec spec = new TlsPrfParameterSpec(
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masterSecretKey, tlsLabel, seed, 12,
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hashAlg.name, hashAlg.hashLength, hashAlg.blockSize);
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KeyGenerator kg = JsseJce.getKeyGenerator(prfAlg);
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kg.init(spec);
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SecretKey prfKey = kg.generateKey();
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if (!"RAW".equals(prfKey.getFormat())) {
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throw new ProviderException(
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"Invalid PRF output, format must be RAW. " +
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"Format received: " + prfKey.getFormat());
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}
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byte[] finished = prfKey.getEncoded();
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return finished;
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} catch (GeneralSecurityException e) {
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throw new RuntimeException("PRF failed", e);
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}
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}
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}
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// TLS 1.2
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private static final
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class T13VerifyDataGenerator implements VerifyDataGenerator {
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private static final byte[] hkdfLabel = "tls13 finished".getBytes();
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private static final byte[] hkdfContext = new byte[0];
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@Override
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public byte[] createVerifyData(HandshakeContext context,
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boolean isValidation) throws IOException {
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// create finished secret key
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HashAlg hashAlg =
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context.negotiatedCipherSuite.hashAlg;
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SecretKey secret = isValidation ?
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context.baseReadSecret : context.baseWriteSecret;
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SSLBasicKeyDerivation kdf = new SSLBasicKeyDerivation(
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secret, hashAlg.name,
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hkdfLabel, hkdfContext, hashAlg.hashLength);
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AlgorithmParameterSpec keySpec =
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new SecretSizeSpec(hashAlg.hashLength);
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SecretKey finishedSecret =
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kdf.deriveKey("TlsFinishedSecret", keySpec);
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String hmacAlg =
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"Hmac" + hashAlg.name.replace("-", "");
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try {
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Mac hmac = JsseJce.getMac(hmacAlg);
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hmac.init(finishedSecret);
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return hmac.doFinal(context.handshakeHash.digest());
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} catch (NoSuchAlgorithmException |InvalidKeyException ex) {
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throw new ProviderException(
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"Failed to generate verify_data", ex);
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}
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}
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}
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/**
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* The "Finished" handshake message producer.
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*/
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private static final
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class T12FinishedProducer implements HandshakeProducer {
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// Prevent instantiation of this class.
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private T12FinishedProducer() {
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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 consuming happens in handshake context only.
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HandshakeContext hc = (HandshakeContext)context;
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if (hc.sslConfig.isClientMode) {
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return onProduceFinished(
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(ClientHandshakeContext)context, message);
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} else {
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return onProduceFinished(
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(ServerHandshakeContext)context, message);
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}
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}
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private byte[] onProduceFinished(ClientHandshakeContext chc,
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HandshakeMessage message) throws IOException {
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// Refresh handshake hash
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chc.handshakeHash.update();
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FinishedMessage fm = new FinishedMessage(chc);
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// Change write cipher and delivery ChangeCipherSpec message.
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ChangeCipherSpec.t10Producer.produce(chc, message);
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if (SSLLogger.isOn && SSLLogger.isOn("ssl,handshake")) {
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SSLLogger.fine(
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"Produced client Finished handshake message", fm);
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}
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// Output the handshake message.
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fm.write(chc.handshakeOutput);
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chc.handshakeOutput.flush();
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|
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403 |
/*
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* save server verify data for secure renegotiation
|
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*/
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406 |
if (chc.conContext.secureRenegotiation) {
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chc.conContext.clientVerifyData = fm.verifyData;
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}
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409 |
|
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410 |
// update the consumers and producers
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411 |
if (!chc.isResumption) {
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412 |
chc.conContext.consumers.put(ContentType.CHANGE_CIPHER_SPEC.id,
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ChangeCipherSpec.t10Consumer);
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414 |
chc.handshakeConsumers.put(
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415 |
SSLHandshake.FINISHED.id, SSLHandshake.FINISHED);
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416 |
chc.conContext.inputRecord.expectingFinishFlight();
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417 |
} else {
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418 |
if (chc.handshakeSession.isRejoinable()) {
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419 |
((SSLSessionContextImpl)chc.sslContext.
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420 |
engineGetClientSessionContext()).put(
|
|
421 |
chc.handshakeSession);
|
|
422 |
}
|
|
423 |
chc.conContext.conSession = chc.handshakeSession.finish();
|
|
424 |
chc.conContext.protocolVersion = chc.negotiatedProtocol;
|
|
425 |
|
|
426 |
// handshake context cleanup.
|
|
427 |
chc.handshakeFinished = true;
|
|
428 |
|
|
429 |
// May need to retransmit the last flight for DTLS.
|
|
430 |
if (!chc.sslContext.isDTLS()) {
|
|
431 |
chc.conContext.finishHandshake();
|
|
432 |
}
|
|
433 |
}
|
|
434 |
|
|
435 |
// The handshake message has been delivered.
|
|
436 |
return null;
|
|
437 |
}
|
|
438 |
|
|
439 |
private byte[] onProduceFinished(ServerHandshakeContext shc,
|
|
440 |
HandshakeMessage message) throws IOException {
|
|
441 |
// Refresh handshake hash
|
|
442 |
shc.handshakeHash.update();
|
|
443 |
|
|
444 |
FinishedMessage fm = new FinishedMessage(shc);
|
|
445 |
|
|
446 |
// Change write cipher and delivery ChangeCipherSpec message.
|
|
447 |
ChangeCipherSpec.t10Producer.produce(shc, message);
|
|
448 |
|
|
449 |
if (SSLLogger.isOn && SSLLogger.isOn("ssl,handshake")) {
|
|
450 |
SSLLogger.fine(
|
|
451 |
"Produced server Finished handshake message", fm);
|
|
452 |
}
|
|
453 |
|
|
454 |
// Output the handshake message.
|
|
455 |
fm.write(shc.handshakeOutput);
|
|
456 |
shc.handshakeOutput.flush();
|
|
457 |
|
|
458 |
/*
|
|
459 |
* save client verify data for secure renegotiation
|
|
460 |
*/
|
|
461 |
if (shc.conContext.secureRenegotiation) {
|
|
462 |
shc.conContext.serverVerifyData = fm.verifyData;
|
|
463 |
}
|
|
464 |
|
|
465 |
// update the consumers and producers
|
|
466 |
if (shc.isResumption) {
|
|
467 |
shc.conContext.consumers.put(ContentType.CHANGE_CIPHER_SPEC.id,
|
|
468 |
ChangeCipherSpec.t10Consumer);
|
|
469 |
shc.handshakeConsumers.put(
|
|
470 |
SSLHandshake.FINISHED.id, SSLHandshake.FINISHED);
|
|
471 |
shc.conContext.inputRecord.expectingFinishFlight();
|
|
472 |
} else {
|
|
473 |
if (shc.handshakeSession.isRejoinable()) {
|
|
474 |
((SSLSessionContextImpl)shc.sslContext.
|
|
475 |
engineGetServerSessionContext()).put(
|
|
476 |
shc.handshakeSession);
|
|
477 |
}
|
|
478 |
shc.conContext.conSession = shc.handshakeSession.finish();
|
|
479 |
shc.conContext.protocolVersion = shc.negotiatedProtocol;
|
|
480 |
|
|
481 |
// handshake context cleanup.
|
|
482 |
shc.handshakeFinished = true;
|
|
483 |
|
|
484 |
// May need to retransmit the last flight for DTLS.
|
|
485 |
if (!shc.sslContext.isDTLS()) {
|
|
486 |
shc.conContext.finishHandshake();
|
|
487 |
}
|
|
488 |
}
|
|
489 |
|
|
490 |
// The handshake message has been delivered.
|
|
491 |
return null;
|
|
492 |
}
|
|
493 |
}
|
|
494 |
|
|
495 |
/**
|
|
496 |
* The "Finished" handshake message consumer.
|
|
497 |
*/
|
|
498 |
private static final class T12FinishedConsumer implements SSLConsumer {
|
|
499 |
// Prevent instantiation of this class.
|
|
500 |
private T12FinishedConsumer() {
|
|
501 |
// blank
|
|
502 |
}
|
|
503 |
|
|
504 |
@Override
|
|
505 |
public void consume(ConnectionContext context,
|
|
506 |
ByteBuffer message) throws IOException {
|
|
507 |
// The consuming happens in handshake context only.
|
|
508 |
HandshakeContext hc = (HandshakeContext)context;
|
|
509 |
|
|
510 |
// This consumer can be used only once.
|
|
511 |
hc.handshakeConsumers.remove(SSLHandshake.FINISHED.id);
|
|
512 |
|
|
513 |
// We should not be processing finished messages unless
|
|
514 |
// we have received ChangeCipherSpec
|
|
515 |
if (hc.conContext.consumers.containsKey(
|
|
516 |
ContentType.CHANGE_CIPHER_SPEC.id)) {
|
|
517 |
hc.conContext.fatal(Alert.UNEXPECTED_MESSAGE,
|
|
518 |
"Missing ChangeCipherSpec message");
|
|
519 |
}
|
|
520 |
|
|
521 |
if (hc.sslConfig.isClientMode) {
|
|
522 |
onConsumeFinished((ClientHandshakeContext)context, message);
|
|
523 |
} else {
|
|
524 |
onConsumeFinished((ServerHandshakeContext)context, message);
|
|
525 |
}
|
|
526 |
}
|
|
527 |
|
|
528 |
private void onConsumeFinished(ClientHandshakeContext chc,
|
|
529 |
ByteBuffer message) throws IOException {
|
|
530 |
FinishedMessage fm = new FinishedMessage(chc, message);
|
|
531 |
if (SSLLogger.isOn && SSLLogger.isOn("ssl,handshake")) {
|
|
532 |
SSLLogger.fine(
|
|
533 |
"Consuming server Finished handshake message", fm);
|
|
534 |
}
|
|
535 |
|
|
536 |
if (chc.conContext.secureRenegotiation) {
|
|
537 |
chc.conContext.serverVerifyData = fm.verifyData;
|
|
538 |
}
|
|
539 |
|
|
540 |
if (!chc.isResumption) {
|
|
541 |
if (chc.handshakeSession.isRejoinable()) {
|
|
542 |
((SSLSessionContextImpl)chc.sslContext.
|
|
543 |
engineGetClientSessionContext()).put(
|
|
544 |
chc.handshakeSession);
|
|
545 |
}
|
|
546 |
chc.conContext.conSession = chc.handshakeSession.finish();
|
|
547 |
chc.conContext.protocolVersion = chc.negotiatedProtocol;
|
|
548 |
|
|
549 |
// handshake context cleanup.
|
|
550 |
chc.handshakeFinished = true;
|
|
551 |
|
|
552 |
// May need to retransmit the last flight for DTLS.
|
|
553 |
if (!chc.sslContext.isDTLS()) {
|
|
554 |
chc.conContext.finishHandshake();
|
|
555 |
}
|
|
556 |
} else {
|
|
557 |
chc.handshakeProducers.put(SSLHandshake.FINISHED.id,
|
|
558 |
SSLHandshake.FINISHED);
|
|
559 |
}
|
|
560 |
|
|
561 |
//
|
|
562 |
// produce
|
|
563 |
//
|
|
564 |
SSLHandshake[] probableHandshakeMessages = new SSLHandshake[] {
|
|
565 |
SSLHandshake.FINISHED
|
|
566 |
};
|
|
567 |
|
|
568 |
for (SSLHandshake hs : probableHandshakeMessages) {
|
|
569 |
HandshakeProducer handshakeProducer =
|
|
570 |
chc.handshakeProducers.remove(hs.id);
|
|
571 |
if (handshakeProducer != null) {
|
|
572 |
handshakeProducer.produce(chc, fm);
|
|
573 |
}
|
|
574 |
}
|
|
575 |
}
|
|
576 |
|
|
577 |
private void onConsumeFinished(ServerHandshakeContext shc,
|
|
578 |
ByteBuffer message) throws IOException {
|
|
579 |
FinishedMessage fm = new FinishedMessage(shc, message);
|
|
580 |
if (SSLLogger.isOn && SSLLogger.isOn("ssl,handshake")) {
|
|
581 |
SSLLogger.fine(
|
|
582 |
"Consuming client Finished handshake message", fm);
|
|
583 |
}
|
|
584 |
|
|
585 |
if (shc.conContext.secureRenegotiation) {
|
|
586 |
shc.conContext.clientVerifyData = fm.verifyData;
|
|
587 |
}
|
|
588 |
|
|
589 |
if (shc.isResumption) {
|
|
590 |
if (shc.handshakeSession.isRejoinable()) {
|
|
591 |
((SSLSessionContextImpl)shc.sslContext.
|
|
592 |
engineGetServerSessionContext()).put(
|
|
593 |
shc.handshakeSession);
|
|
594 |
}
|
|
595 |
shc.conContext.conSession = shc.handshakeSession.finish();
|
|
596 |
shc.conContext.protocolVersion = shc.negotiatedProtocol;
|
|
597 |
|
|
598 |
// handshake context cleanup.
|
|
599 |
shc.handshakeFinished = true;
|
|
600 |
|
|
601 |
// May need to retransmit the last flight for DTLS.
|
|
602 |
if (!shc.sslContext.isDTLS()) {
|
|
603 |
shc.conContext.finishHandshake();
|
|
604 |
}
|
|
605 |
} else {
|
|
606 |
shc.handshakeProducers.put(SSLHandshake.FINISHED.id,
|
|
607 |
SSLHandshake.FINISHED);
|
|
608 |
}
|
|
609 |
|
|
610 |
//
|
|
611 |
// produce
|
|
612 |
//
|
|
613 |
SSLHandshake[] probableHandshakeMessages = new SSLHandshake[] {
|
|
614 |
SSLHandshake.FINISHED
|
|
615 |
};
|
|
616 |
|
|
617 |
for (SSLHandshake hs : probableHandshakeMessages) {
|
|
618 |
HandshakeProducer handshakeProducer =
|
|
619 |
shc.handshakeProducers.remove(hs.id);
|
|
620 |
if (handshakeProducer != null) {
|
|
621 |
handshakeProducer.produce(shc, fm);
|
|
622 |
}
|
|
623 |
}
|
|
624 |
}
|
|
625 |
}
|
|
626 |
|
|
627 |
/**
|
|
628 |
* The "Finished" handshake message producer.
|
|
629 |
*/
|
|
630 |
private static final
|
|
631 |
class T13FinishedProducer implements HandshakeProducer {
|
|
632 |
// Prevent instantiation of this class.
|
|
633 |
private T13FinishedProducer() {
|
|
634 |
// blank
|
|
635 |
}
|
|
636 |
|
|
637 |
@Override
|
|
638 |
public byte[] produce(ConnectionContext context,
|
|
639 |
HandshakeMessage message) throws IOException {
|
|
640 |
// The consuming happens in handshake context only.
|
|
641 |
HandshakeContext hc = (HandshakeContext)context;
|
|
642 |
if (hc.sslConfig.isClientMode) {
|
|
643 |
return onProduceFinished(
|
|
644 |
(ClientHandshakeContext)context, message);
|
|
645 |
} else {
|
|
646 |
return onProduceFinished(
|
|
647 |
(ServerHandshakeContext)context, message);
|
|
648 |
}
|
|
649 |
}
|
|
650 |
|
|
651 |
private byte[] onProduceFinished(ClientHandshakeContext chc,
|
|
652 |
HandshakeMessage message) throws IOException {
|
|
653 |
// Refresh handshake hash
|
|
654 |
chc.handshakeHash.update();
|
|
655 |
|
|
656 |
FinishedMessage fm = new FinishedMessage(chc);
|
|
657 |
if (SSLLogger.isOn && SSLLogger.isOn("ssl,handshake")) {
|
|
658 |
SSLLogger.fine(
|
|
659 |
"Produced client Finished handshake message", fm);
|
|
660 |
}
|
|
661 |
|
|
662 |
// Output the handshake message.
|
|
663 |
fm.write(chc.handshakeOutput);
|
|
664 |
chc.handshakeOutput.flush();
|
|
665 |
|
|
666 |
// save server verify data for secure renegotiation
|
|
667 |
if (chc.conContext.secureRenegotiation) {
|
|
668 |
chc.conContext.clientVerifyData = fm.verifyData;
|
|
669 |
}
|
|
670 |
|
|
671 |
// update the context
|
|
672 |
// Change client/server application traffic secrets.
|
|
673 |
SSLKeyDerivation kd = chc.handshakeKeyDerivation;
|
|
674 |
if (kd == null) {
|
|
675 |
// unlikely
|
|
676 |
chc.conContext.fatal(Alert.INTERNAL_ERROR,
|
|
677 |
"no key derivation");
|
|
678 |
return null; // make the compiler happy
|
|
679 |
}
|
|
680 |
|
|
681 |
SSLTrafficKeyDerivation kdg =
|
|
682 |
SSLTrafficKeyDerivation.valueOf(chc.negotiatedProtocol);
|
|
683 |
if (kdg == null) {
|
|
684 |
// unlikely
|
|
685 |
chc.conContext.fatal(Alert.INTERNAL_ERROR,
|
|
686 |
"Not supported key derivation: " +
|
|
687 |
chc.negotiatedProtocol);
|
|
688 |
return null; // make the compiler happy
|
|
689 |
}
|
|
690 |
|
|
691 |
try {
|
|
692 |
// update the application traffic read keys.
|
|
693 |
SecretKey writeSecret = kd.deriveKey(
|
|
694 |
"TlsClientAppTrafficSecret", null);
|
|
695 |
|
|
696 |
SSLKeyDerivation writeKD =
|
|
697 |
kdg.createKeyDerivation(chc, writeSecret);
|
|
698 |
SecretKey writeKey = writeKD.deriveKey(
|
|
699 |
"TlsKey", null);
|
|
700 |
SecretKey writeIvSecret = writeKD.deriveKey(
|
|
701 |
"TlsIv", null);
|
|
702 |
IvParameterSpec writeIv =
|
|
703 |
new IvParameterSpec(writeIvSecret.getEncoded());
|
|
704 |
SSLWriteCipher writeCipher =
|
|
705 |
chc.negotiatedCipherSuite.bulkCipher.createWriteCipher(
|
|
706 |
Authenticator.valueOf(chc.negotiatedProtocol),
|
|
707 |
chc.negotiatedProtocol, writeKey, writeIv,
|
|
708 |
chc.sslContext.getSecureRandom());
|
|
709 |
|
|
710 |
chc.baseWriteSecret = writeSecret;
|
|
711 |
chc.conContext.outputRecord.changeWriteCiphers(
|
|
712 |
writeCipher, false);
|
|
713 |
|
|
714 |
} catch (GeneralSecurityException gse) {
|
|
715 |
chc.conContext.fatal(Alert.INTERNAL_ERROR,
|
|
716 |
"Failure to derive application secrets", gse);
|
|
717 |
return null; // make the compiler happy
|
|
718 |
}
|
|
719 |
|
|
720 |
// The resumption master secret is stored in the session so
|
|
721 |
// it can be used after the handshake is completed.
|
|
722 |
SSLSecretDerivation sd = ((SSLSecretDerivation) kd).forContext(chc);
|
|
723 |
SecretKey resumptionMasterSecret = sd.deriveKey(
|
|
724 |
"TlsResumptionMasterSecret", null);
|
|
725 |
chc.handshakeSession.setResumptionMasterSecret(resumptionMasterSecret);
|
|
726 |
|
|
727 |
chc.conContext.conSession = chc.handshakeSession.finish();
|
|
728 |
chc.conContext.protocolVersion = chc.negotiatedProtocol;
|
|
729 |
|
|
730 |
// handshake context cleanup.
|
|
731 |
chc.handshakeFinished = true;
|
|
732 |
chc.conContext.finishHandshake();
|
|
733 |
|
|
734 |
// The handshake message has been delivered.
|
|
735 |
return null;
|
|
736 |
}
|
|
737 |
|
|
738 |
private byte[] onProduceFinished(ServerHandshakeContext shc,
|
|
739 |
HandshakeMessage message) throws IOException {
|
|
740 |
// Refresh handshake hash
|
|
741 |
shc.handshakeHash.update();
|
|
742 |
|
|
743 |
FinishedMessage fm = new FinishedMessage(shc);
|
|
744 |
if (SSLLogger.isOn && SSLLogger.isOn("ssl,handshake")) {
|
|
745 |
SSLLogger.fine(
|
|
746 |
"Produced server Finished handshake message", fm);
|
|
747 |
}
|
|
748 |
|
|
749 |
// Output the handshake message.
|
|
750 |
fm.write(shc.handshakeOutput);
|
|
751 |
shc.handshakeOutput.flush();
|
|
752 |
|
|
753 |
// Change client/server application traffic secrets.
|
|
754 |
SSLKeyDerivation kd = shc.handshakeKeyDerivation;
|
|
755 |
if (kd == null) {
|
|
756 |
// unlikely
|
|
757 |
shc.conContext.fatal(Alert.INTERNAL_ERROR,
|
|
758 |
"no key derivation");
|
|
759 |
return null; // make the compiler happy
|
|
760 |
}
|
|
761 |
|
|
762 |
SSLTrafficKeyDerivation kdg =
|
|
763 |
SSLTrafficKeyDerivation.valueOf(shc.negotiatedProtocol);
|
|
764 |
if (kdg == null) {
|
|
765 |
// unlikely
|
|
766 |
shc.conContext.fatal(Alert.INTERNAL_ERROR,
|
|
767 |
"Not supported key derivation: " +
|
|
768 |
shc.negotiatedProtocol);
|
|
769 |
return null; // make the compiler happy
|
|
770 |
}
|
|
771 |
|
|
772 |
// derive salt secret
|
|
773 |
try {
|
|
774 |
SecretKey saltSecret = kd.deriveKey("TlsSaltSecret", null);
|
|
775 |
|
|
776 |
// derive application secrets
|
|
777 |
HashAlg hashAlg = shc.negotiatedCipherSuite.hashAlg;
|
|
778 |
HKDF hkdf = new HKDF(hashAlg.name);
|
|
779 |
byte[] zeros = new byte[hashAlg.hashLength];
|
|
780 |
SecretKeySpec sharedSecret =
|
|
781 |
new SecretKeySpec(zeros, "TlsZeroSecret");
|
|
782 |
SecretKey masterSecret =
|
|
783 |
hkdf.extract(saltSecret, sharedSecret, "TlsMasterSecret");
|
|
784 |
|
|
785 |
SSLKeyDerivation secretKD =
|
|
786 |
new SSLSecretDerivation(shc, masterSecret);
|
|
787 |
|
|
788 |
// update the handshake traffic write keys.
|
|
789 |
SecretKey writeSecret = secretKD.deriveKey(
|
|
790 |
"TlsServerAppTrafficSecret", null);
|
|
791 |
SSLKeyDerivation writeKD =
|
|
792 |
kdg.createKeyDerivation(shc, writeSecret);
|
|
793 |
SecretKey writeKey = writeKD.deriveKey(
|
|
794 |
"TlsKey", null);
|
|
795 |
SecretKey writeIvSecret = writeKD.deriveKey(
|
|
796 |
"TlsIv", null);
|
|
797 |
IvParameterSpec writeIv =
|
|
798 |
new IvParameterSpec(writeIvSecret.getEncoded());
|
|
799 |
SSLWriteCipher writeCipher =
|
|
800 |
shc.negotiatedCipherSuite.bulkCipher.createWriteCipher(
|
|
801 |
Authenticator.valueOf(shc.negotiatedProtocol),
|
|
802 |
shc.negotiatedProtocol, writeKey, writeIv,
|
|
803 |
shc.sslContext.getSecureRandom());
|
|
804 |
|
|
805 |
shc.baseWriteSecret = writeSecret;
|
|
806 |
shc.conContext.outputRecord.changeWriteCiphers(
|
|
807 |
writeCipher, false);
|
|
808 |
|
|
809 |
// update the context for the following key derivation
|
|
810 |
shc.handshakeKeyDerivation = secretKD;
|
|
811 |
} catch (GeneralSecurityException gse) {
|
|
812 |
shc.conContext.fatal(Alert.INTERNAL_ERROR,
|
|
813 |
"Failure to derive application secrets", gse);
|
|
814 |
return null; // make the compiler happy
|
|
815 |
}
|
|
816 |
|
|
817 |
/*
|
|
818 |
* save client verify data for secure renegotiation
|
|
819 |
*/
|
|
820 |
if (shc.conContext.secureRenegotiation) {
|
|
821 |
shc.conContext.serverVerifyData = fm.verifyData;
|
|
822 |
}
|
|
823 |
|
|
824 |
// update the context
|
|
825 |
shc.handshakeConsumers.put(
|
|
826 |
SSLHandshake.FINISHED.id, SSLHandshake.FINISHED);
|
|
827 |
|
|
828 |
// The handshake message has been delivered.
|
|
829 |
return null;
|
|
830 |
}
|
|
831 |
}
|
|
832 |
|
|
833 |
/**
|
|
834 |
* The "Finished" handshake message consumer.
|
|
835 |
*/
|
|
836 |
private static final class T13FinishedConsumer implements SSLConsumer {
|
|
837 |
// Prevent instantiation of this class.
|
|
838 |
private T13FinishedConsumer() {
|
|
839 |
// blank
|
|
840 |
}
|
|
841 |
|
|
842 |
@Override
|
|
843 |
public void consume(ConnectionContext context,
|
|
844 |
ByteBuffer message) throws IOException {
|
|
845 |
// The consuming happens in handshake context only.
|
|
846 |
HandshakeContext hc = (HandshakeContext)context;
|
|
847 |
if (hc.sslConfig.isClientMode) {
|
|
848 |
onConsumeFinished(
|
|
849 |
(ClientHandshakeContext)context, message);
|
|
850 |
} else {
|
|
851 |
onConsumeFinished(
|
|
852 |
(ServerHandshakeContext)context, message);
|
|
853 |
}
|
|
854 |
}
|
|
855 |
|
|
856 |
private void onConsumeFinished(ClientHandshakeContext chc,
|
|
857 |
ByteBuffer message) throws IOException {
|
|
858 |
FinishedMessage fm = new FinishedMessage(chc, message);
|
|
859 |
if (SSLLogger.isOn && SSLLogger.isOn("ssl,handshake")) {
|
|
860 |
SSLLogger.fine(
|
|
861 |
"Consuming server Finished handshake message", fm);
|
|
862 |
}
|
|
863 |
|
|
864 |
// Save client verify data for secure renegotiation.
|
|
865 |
if (chc.conContext.secureRenegotiation) {
|
|
866 |
chc.conContext.serverVerifyData = fm.verifyData;
|
|
867 |
}
|
|
868 |
|
|
869 |
//
|
|
870 |
// validate
|
|
871 |
//
|
|
872 |
// blank
|
|
873 |
|
|
874 |
//
|
|
875 |
// update
|
|
876 |
//
|
|
877 |
// A change_cipher_spec record received after the peer's Finished
|
|
878 |
// message MUST be treated as an unexpected record type.
|
|
879 |
chc.conContext.consumers.remove(ContentType.CHANGE_CIPHER_SPEC.id);
|
|
880 |
|
|
881 |
// Change client/server application traffic secrets.
|
|
882 |
// Refresh handshake hash
|
|
883 |
chc.handshakeHash.update();
|
|
884 |
SSLKeyDerivation kd = chc.handshakeKeyDerivation;
|
|
885 |
if (kd == null) {
|
|
886 |
// unlikely
|
|
887 |
chc.conContext.fatal(Alert.INTERNAL_ERROR,
|
|
888 |
"no key derivation");
|
|
889 |
return; // make the compiler happy
|
|
890 |
}
|
|
891 |
|
|
892 |
SSLTrafficKeyDerivation kdg =
|
|
893 |
SSLTrafficKeyDerivation.valueOf(chc.negotiatedProtocol);
|
|
894 |
if (kdg == null) {
|
|
895 |
// unlikely
|
|
896 |
chc.conContext.fatal(Alert.INTERNAL_ERROR,
|
|
897 |
"Not supported key derivation: " +
|
|
898 |
chc.negotiatedProtocol);
|
|
899 |
return; // make the compiler happy
|
|
900 |
}
|
|
901 |
|
|
902 |
// save the session
|
|
903 |
if (!chc.isResumption && chc.handshakeSession.isRejoinable()) {
|
|
904 |
SSLSessionContextImpl sessionContext = (SSLSessionContextImpl)
|
|
905 |
chc.sslContext.engineGetClientSessionContext();
|
|
906 |
sessionContext.put(chc.handshakeSession);
|
|
907 |
}
|
|
908 |
|
|
909 |
// derive salt secret
|
|
910 |
try {
|
|
911 |
SecretKey saltSecret = kd.deriveKey("TlsSaltSecret", null);
|
|
912 |
|
|
913 |
// derive application secrets
|
|
914 |
HashAlg hashAlg = chc.negotiatedCipherSuite.hashAlg;
|
|
915 |
HKDF hkdf = new HKDF(hashAlg.name);
|
|
916 |
byte[] zeros = new byte[hashAlg.hashLength];
|
|
917 |
SecretKeySpec sharedSecret =
|
|
918 |
new SecretKeySpec(zeros, "TlsZeroSecret");
|
|
919 |
SecretKey masterSecret =
|
|
920 |
hkdf.extract(saltSecret, sharedSecret, "TlsMasterSecret");
|
|
921 |
|
|
922 |
SSLKeyDerivation secretKD =
|
|
923 |
new SSLSecretDerivation(chc, masterSecret);
|
|
924 |
|
|
925 |
// update the handshake traffic read keys.
|
|
926 |
SecretKey readSecret = secretKD.deriveKey(
|
|
927 |
"TlsServerAppTrafficSecret", null);
|
|
928 |
SSLKeyDerivation writeKD =
|
|
929 |
kdg.createKeyDerivation(chc, readSecret);
|
|
930 |
SecretKey readKey = writeKD.deriveKey(
|
|
931 |
"TlsKey", null);
|
|
932 |
SecretKey readIvSecret = writeKD.deriveKey(
|
|
933 |
"TlsIv", null);
|
|
934 |
IvParameterSpec readIv =
|
|
935 |
new IvParameterSpec(readIvSecret.getEncoded());
|
|
936 |
SSLReadCipher readCipher =
|
|
937 |
chc.negotiatedCipherSuite.bulkCipher.createReadCipher(
|
|
938 |
Authenticator.valueOf(chc.negotiatedProtocol),
|
|
939 |
chc.negotiatedProtocol, readKey, readIv,
|
|
940 |
chc.sslContext.getSecureRandom());
|
|
941 |
|
|
942 |
chc.baseReadSecret = readSecret;
|
|
943 |
chc.conContext.inputRecord.changeReadCiphers(readCipher);
|
|
944 |
|
|
945 |
// update the context for the following key derivation
|
|
946 |
chc.handshakeKeyDerivation = secretKD;
|
|
947 |
} catch (GeneralSecurityException gse) {
|
|
948 |
chc.conContext.fatal(Alert.INTERNAL_ERROR,
|
|
949 |
"Failure to derive application secrets", gse);
|
|
950 |
return; // make the compiler happy
|
|
951 |
}
|
|
952 |
|
|
953 |
//
|
|
954 |
// produce
|
|
955 |
//
|
|
956 |
chc.handshakeProducers.put(SSLHandshake.FINISHED.id,
|
|
957 |
SSLHandshake.FINISHED);
|
|
958 |
SSLHandshake[] probableHandshakeMessages = new SSLHandshake[] {
|
|
959 |
// full handshake messages
|
|
960 |
SSLHandshake.CERTIFICATE,
|
|
961 |
SSLHandshake.CERTIFICATE_VERIFY,
|
|
962 |
SSLHandshake.FINISHED
|
|
963 |
};
|
|
964 |
|
|
965 |
for (SSLHandshake hs : probableHandshakeMessages) {
|
|
966 |
HandshakeProducer handshakeProducer =
|
|
967 |
chc.handshakeProducers.remove(hs.id);
|
|
968 |
if (handshakeProducer != null) {
|
|
969 |
handshakeProducer.produce(chc, null);
|
|
970 |
}
|
|
971 |
}
|
|
972 |
}
|
|
973 |
|
|
974 |
private void onConsumeFinished(ServerHandshakeContext shc,
|
|
975 |
ByteBuffer message) throws IOException {
|
|
976 |
FinishedMessage fm = new FinishedMessage(shc, message);
|
|
977 |
if (SSLLogger.isOn && SSLLogger.isOn("ssl,handshake")) {
|
|
978 |
SSLLogger.fine(
|
|
979 |
"Consuming client Finished handshake message", fm);
|
|
980 |
}
|
|
981 |
|
|
982 |
if (shc.conContext.secureRenegotiation) {
|
|
983 |
shc.conContext.clientVerifyData = fm.verifyData;
|
|
984 |
}
|
|
985 |
|
|
986 |
//
|
|
987 |
// validate
|
|
988 |
//
|
|
989 |
// blank
|
|
990 |
|
|
991 |
//
|
|
992 |
// update
|
|
993 |
//
|
|
994 |
// Change client/server application traffic secrets.
|
|
995 |
SSLKeyDerivation kd = shc.handshakeKeyDerivation;
|
|
996 |
if (kd == null) {
|
|
997 |
// unlikely
|
|
998 |
shc.conContext.fatal(Alert.INTERNAL_ERROR,
|
|
999 |
"no key derivation");
|
|
1000 |
return; // make the compiler happy
|
|
1001 |
}
|
|
1002 |
|
|
1003 |
SSLTrafficKeyDerivation kdg =
|
|
1004 |
SSLTrafficKeyDerivation.valueOf(shc.negotiatedProtocol);
|
|
1005 |
if (kdg == null) {
|
|
1006 |
// unlikely
|
|
1007 |
shc.conContext.fatal(Alert.INTERNAL_ERROR,
|
|
1008 |
"Not supported key derivation: " +
|
|
1009 |
shc.negotiatedProtocol);
|
|
1010 |
return; // make the compiler happy
|
|
1011 |
}
|
|
1012 |
|
|
1013 |
// save the session
|
|
1014 |
if (!shc.isResumption && shc.handshakeSession.isRejoinable()) {
|
|
1015 |
SSLSessionContextImpl sessionContext = (SSLSessionContextImpl)
|
|
1016 |
shc.sslContext.engineGetServerSessionContext();
|
|
1017 |
sessionContext.put(shc.handshakeSession);
|
|
1018 |
}
|
|
1019 |
|
|
1020 |
try {
|
|
1021 |
// update the application traffic read keys.
|
|
1022 |
SecretKey readSecret = kd.deriveKey(
|
|
1023 |
"TlsClientAppTrafficSecret", null);
|
|
1024 |
|
|
1025 |
SSLKeyDerivation readKD =
|
|
1026 |
kdg.createKeyDerivation(shc, readSecret);
|
|
1027 |
SecretKey readKey = readKD.deriveKey(
|
|
1028 |
"TlsKey", null);
|
|
1029 |
SecretKey readIvSecret = readKD.deriveKey(
|
|
1030 |
"TlsIv", null);
|
|
1031 |
IvParameterSpec readIv =
|
|
1032 |
new IvParameterSpec(readIvSecret.getEncoded());
|
|
1033 |
SSLReadCipher readCipher =
|
|
1034 |
shc.negotiatedCipherSuite.bulkCipher.createReadCipher(
|
|
1035 |
Authenticator.valueOf(shc.negotiatedProtocol),
|
|
1036 |
shc.negotiatedProtocol, readKey, readIv,
|
|
1037 |
shc.sslContext.getSecureRandom());
|
|
1038 |
|
|
1039 |
shc.baseReadSecret = readSecret;
|
|
1040 |
shc.conContext.inputRecord.changeReadCiphers(readCipher);
|
|
1041 |
|
|
1042 |
// The resumption master secret is stored in the session so
|
|
1043 |
// it can be used after the handshake is completed.
|
|
1044 |
shc.handshakeHash.update();
|
|
1045 |
SSLSecretDerivation sd = ((SSLSecretDerivation)kd).forContext(shc);
|
|
1046 |
SecretKey resumptionMasterSecret = sd.deriveKey(
|
|
1047 |
"TlsResumptionMasterSecret", null);
|
|
1048 |
shc.handshakeSession.setResumptionMasterSecret(resumptionMasterSecret);
|
|
1049 |
} catch (GeneralSecurityException gse) {
|
|
1050 |
shc.conContext.fatal(Alert.INTERNAL_ERROR,
|
|
1051 |
"Failure to derive application secrets", gse);
|
|
1052 |
return; // make the compiler happy
|
|
1053 |
}
|
|
1054 |
|
|
1055 |
// update connection context
|
|
1056 |
shc.conContext.conSession = shc.handshakeSession.finish();
|
|
1057 |
shc.conContext.protocolVersion = shc.negotiatedProtocol;
|
|
1058 |
|
|
1059 |
// handshake context cleanup.
|
|
1060 |
shc.handshakeFinished = true;
|
|
1061 |
|
|
1062 |
// May need to retransmit the last flight for DTLS.
|
|
1063 |
if (!shc.sslContext.isDTLS()) {
|
|
1064 |
shc.conContext.finishHandshake();
|
|
1065 |
}
|
|
1066 |
|
|
1067 |
//
|
|
1068 |
// produce
|
|
1069 |
if (SSLLogger.isOn && SSLLogger.isOn("ssl,handshake")) {
|
|
1070 |
SSLLogger.fine(
|
|
1071 |
"Sending new session ticket");
|
|
1072 |
}
|
|
1073 |
NewSessionTicket.kickstartProducer.produce(shc);
|
|
1074 |
|
|
1075 |
}
|
|
1076 |
}
|
|
1077 |
}
|