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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
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package sun.security.ssl;

import java.io.IOException;
import java.nio.ByteBuffer;
import java.security.PrivateKey;
import java.security.cert.X509Certificate;
import java.text.MessageFormat;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.HashSet;
import java.util.LinkedList;
import java.util.List;
import java.util.Locale;
import javax.net.ssl.SSLEngine;
import javax.net.ssl.SSLSocket;
import javax.net.ssl.X509ExtendedKeyManager;
import javax.security.auth.x500.X500Principal;
import sun.security.ssl.CipherSuite.KeyExchange;
import sun.security.ssl.SSLHandshake.HandshakeMessage;
import sun.security.ssl.X509Authentication.X509Possession;

Pack of the CertificateRequest handshake message.
/** * Pack of the CertificateRequest handshake message. */
final class CertificateRequest { static final SSLConsumer t10HandshakeConsumer = new T10CertificateRequestConsumer(); static final HandshakeProducer t10HandshakeProducer = new T10CertificateRequestProducer(); static final SSLConsumer t12HandshakeConsumer = new T12CertificateRequestConsumer(); static final HandshakeProducer t12HandshakeProducer = new T12CertificateRequestProducer(); static final SSLConsumer t13HandshakeConsumer = new T13CertificateRequestConsumer(); static final HandshakeProducer t13HandshakeProducer = new T13CertificateRequestProducer(); // TLS 1.2 and prior versions private static enum ClientCertificateType { // RFC 2246 RSA_SIGN ((byte)0x01, "rsa_sign", "RSA", true), DSS_SIGN ((byte)0x02, "dss_sign", "DSA", true), RSA_FIXED_DH ((byte)0x03, "rsa_fixed_dh"), DSS_FIXED_DH ((byte)0x04, "dss_fixed_dh"), // RFC 4346 RSA_EPHEMERAL_DH ((byte)0x05, "rsa_ephemeral_dh"), DSS_EPHEMERAL_DH ((byte)0x06, "dss_ephemeral_dh"), FORTEZZA_DMS ((byte)0x14, "fortezza_dms"), // RFC 4492 ECDSA_SIGN ((byte)0x40, "ecdsa_sign", "EC", JsseJce.isEcAvailable()), RSA_FIXED_ECDH ((byte)0x41, "rsa_fixed_ecdh"), ECDSA_FIXED_ECDH ((byte)0x42, "ecdsa_fixed_ecdh"); private static final byte[] CERT_TYPES = JsseJce.isEcAvailable() ? new byte[] { ECDSA_SIGN.id, RSA_SIGN.id, DSS_SIGN.id } : new byte[] { RSA_SIGN.id, DSS_SIGN.id }; final byte id; final String name; final String keyAlgorithm; final boolean isAvailable; private ClientCertificateType(byte id, String name) { this(id, name, null, false); } private ClientCertificateType(byte id, String name, String keyAlgorithm, boolean isAvailable) { this.id = id; this.name = name; this.keyAlgorithm = keyAlgorithm; this.isAvailable = isAvailable; } private static String nameOf(byte id) { for (ClientCertificateType cct : ClientCertificateType.values()) { if (cct.id == id) { return cct.name; } } return "UNDEFINED-CLIENT-CERTIFICATE-TYPE(" + (int)id + ")"; } private static ClientCertificateType valueOf(byte id) { for (ClientCertificateType cct : ClientCertificateType.values()) { if (cct.id == id) { return cct; } } return null; } private static String[] getKeyTypes(byte[] ids) { ArrayList<String> keyTypes = new ArrayList<>(3); for (byte id : ids) { ClientCertificateType cct = ClientCertificateType.valueOf(id); if (cct.isAvailable) { keyTypes.add(cct.keyAlgorithm); } } return keyTypes.toArray(new String[0]); } }
The "CertificateRequest" handshake message for SSL 3.0 and TLS 1.0/1.1.
/** * The "CertificateRequest" handshake message for SSL 3.0 and TLS 1.0/1.1. */
static final class T10CertificateRequestMessage extends HandshakeMessage { final byte[] types; // certificate types final List<byte[]> authorities; // certificate authorities T10CertificateRequestMessage(HandshakeContext handshakeContext, X509Certificate[] trustedCerts, KeyExchange keyExchange) { super(handshakeContext); this.authorities = new ArrayList<>(trustedCerts.length); for (X509Certificate cert : trustedCerts) { X500Principal x500Principal = cert.getSubjectX500Principal(); authorities.add(x500Principal.getEncoded()); } this.types = ClientCertificateType.CERT_TYPES; } T10CertificateRequestMessage(HandshakeContext handshakeContext, ByteBuffer m) throws IOException { super(handshakeContext); // struct { // ClientCertificateType certificate_types<1..2^8-1>; // DistinguishedName certificate_authorities<0..2^16-1>; // } CertificateRequest; if (m.remaining() < 4) { throw handshakeContext.conContext.fatal(Alert.ILLEGAL_PARAMETER, "Incorrect CertificateRequest message: no sufficient data"); } this.types = Record.getBytes8(m); int listLen = Record.getInt16(m); if (listLen > m.remaining()) { throw handshakeContext.conContext.fatal(Alert.ILLEGAL_PARAMETER, "Incorrect CertificateRequest message:no sufficient data"); } if (listLen > 0) { this.authorities = new LinkedList<>(); while (listLen > 0) { // opaque DistinguishedName<1..2^16-1>; byte[] encoded = Record.getBytes16(m); listLen -= (2 + encoded.length); authorities.add(encoded); } } else { this.authorities = Collections.emptyList(); } } String[] getKeyTypes() { return ClientCertificateType.getKeyTypes(types); } X500Principal[] getAuthorities() { List<X500Principal> principals = new ArrayList<>(authorities.size()); for (byte[] encoded : authorities) { X500Principal principal = new X500Principal(encoded); principals.add(principal); } return principals.toArray(new X500Principal[0]); } @Override public SSLHandshake handshakeType() { return SSLHandshake.CERTIFICATE_REQUEST; } @Override public int messageLength() { int len = 1 + types.length + 2; for (byte[] encoded : authorities) { len += encoded.length + 2; } return len; } @Override public void send(HandshakeOutStream hos) throws IOException { hos.putBytes8(types); int listLen = 0; for (byte[] encoded : authorities) { listLen += encoded.length + 2; } hos.putInt16(listLen); for (byte[] encoded : authorities) { hos.putBytes16(encoded); } } @Override public String toString() { MessageFormat messageFormat = new MessageFormat( "\"CertificateRequest\": '{'\n" + " \"certificate types\": {0}\n" + " \"certificate authorities\": {1}\n" + "'}'", Locale.ENGLISH); List<String> typeNames = new ArrayList<>(types.length); for (byte type : types) { typeNames.add(ClientCertificateType.nameOf(type)); } List<String> authorityNames = new ArrayList<>(authorities.size()); for (byte[] encoded : authorities) { X500Principal principal = new X500Principal(encoded); authorityNames.add(principal.toString()); } Object[] messageFields = { typeNames, authorityNames }; return messageFormat.format(messageFields); } }
The "CertificateRequest" handshake message producer for SSL 3.0 and TLS 1.0/1.1.
/** * The "CertificateRequest" handshake message producer for SSL 3.0 and * TLS 1.0/1.1. */
private static final class T10CertificateRequestProducer implements HandshakeProducer { // Prevent instantiation of this class. private T10CertificateRequestProducer() { // blank } @Override public byte[] produce(ConnectionContext context, HandshakeMessage message) throws IOException { // The producing happens in server side only. ServerHandshakeContext shc = (ServerHandshakeContext)context; X509Certificate[] caCerts = shc.sslContext.getX509TrustManager().getAcceptedIssuers(); T10CertificateRequestMessage crm = new T10CertificateRequestMessage( shc, caCerts, shc.negotiatedCipherSuite.keyExchange); if (SSLLogger.isOn && SSLLogger.isOn("ssl,handshake")) { SSLLogger.fine( "Produced CertificateRequest handshake message", crm); } // Output the handshake message. crm.write(shc.handshakeOutput); shc.handshakeOutput.flush(); // // update // shc.handshakeConsumers.put(SSLHandshake.CERTIFICATE.id, SSLHandshake.CERTIFICATE); shc.handshakeConsumers.put(SSLHandshake.CERTIFICATE_VERIFY.id, SSLHandshake.CERTIFICATE_VERIFY); // The handshake message has been delivered. return null; } }
The "CertificateRequest" handshake message consumer for SSL 3.0 and TLS 1.0/1.1.
/** * The "CertificateRequest" handshake message consumer for SSL 3.0 and * TLS 1.0/1.1. */
private static final class T10CertificateRequestConsumer implements SSLConsumer { // Prevent instantiation of this class. private T10CertificateRequestConsumer() { // blank } @Override public void consume(ConnectionContext context, ByteBuffer message) throws IOException { // The consuming happens in client side only. ClientHandshakeContext chc = (ClientHandshakeContext)context; // clean up this consumer chc.handshakeConsumers.remove(SSLHandshake.CERTIFICATE_REQUEST.id); SSLConsumer certStatCons = chc.handshakeConsumers.remove( SSLHandshake.CERTIFICATE_STATUS.id); if (certStatCons != null) { // Stapling was active but no certificate status message // was sent. We need to run the absence handler which will // check the certificate chain. CertificateStatus.handshakeAbsence.absent(context, null); } T10CertificateRequestMessage crm = new T10CertificateRequestMessage(chc, message); if (SSLLogger.isOn && SSLLogger.isOn("ssl,handshake")) { SSLLogger.fine( "Consuming CertificateRequest handshake message", crm); } // // validate // // blank // // update // // An empty client Certificate handshake message may be allow. chc.handshakeProducers.put(SSLHandshake.CERTIFICATE.id, SSLHandshake.CERTIFICATE); X509ExtendedKeyManager km = chc.sslContext.getX509KeyManager(); String clientAlias = null; if (chc.conContext.transport instanceof SSLSocketImpl) { clientAlias = km.chooseClientAlias(crm.getKeyTypes(), crm.getAuthorities(), (SSLSocket)chc.conContext.transport); } else if (chc.conContext.transport instanceof SSLEngineImpl) { clientAlias = km.chooseEngineClientAlias(crm.getKeyTypes(), crm.getAuthorities(), (SSLEngine)chc.conContext.transport); } if (clientAlias == null) { if (SSLLogger.isOn && SSLLogger.isOn("ssl,handshake")) { SSLLogger.warning("No available client authentication"); } return; } PrivateKey clientPrivateKey = km.getPrivateKey(clientAlias); if (clientPrivateKey == null) { if (SSLLogger.isOn && SSLLogger.isOn("ssl,handshake")) { SSLLogger.warning("No available client private key"); } return; } X509Certificate[] clientCerts = km.getCertificateChain(clientAlias); if ((clientCerts == null) || (clientCerts.length == 0)) { if (SSLLogger.isOn && SSLLogger.isOn("ssl,handshake")) { SSLLogger.warning("No available client certificate"); } return; } chc.handshakePossessions.add( new X509Possession(clientPrivateKey, clientCerts)); chc.handshakeProducers.put(SSLHandshake.CERTIFICATE_VERIFY.id, SSLHandshake.CERTIFICATE_VERIFY); } }
The CertificateRequest handshake message for TLS 1.2.
/** * The CertificateRequest handshake message for TLS 1.2. */
static final class T12CertificateRequestMessage extends HandshakeMessage { final byte[] types; // certificate types final int[] algorithmIds; // supported signature algorithms final List<byte[]> authorities; // certificate authorities T12CertificateRequestMessage(HandshakeContext handshakeContext, X509Certificate[] trustedCerts, KeyExchange keyExchange, List<SignatureScheme> signatureSchemes) throws IOException { super(handshakeContext); this.types = ClientCertificateType.CERT_TYPES; if (signatureSchemes == null || signatureSchemes.isEmpty()) { throw handshakeContext.conContext.fatal(Alert.ILLEGAL_PARAMETER, "No signature algorithms specified for " + "CertificateRequest hanshake message"); } this.algorithmIds = new int[signatureSchemes.size()]; int i = 0; for (SignatureScheme scheme : signatureSchemes) { algorithmIds[i++] = scheme.id; } this.authorities = new ArrayList<>(trustedCerts.length); for (X509Certificate cert : trustedCerts) { X500Principal x500Principal = cert.getSubjectX500Principal(); authorities.add(x500Principal.getEncoded()); } } T12CertificateRequestMessage(HandshakeContext handshakeContext, ByteBuffer m) throws IOException { super(handshakeContext); // struct { // ClientCertificateType certificate_types<1..2^8-1>; // SignatureAndHashAlgorithm // supported_signature_algorithms<2..2^16-2>; // DistinguishedName certificate_authorities<0..2^16-1>; // } CertificateRequest; // certificate_authorities if (m.remaining() < 8) { throw handshakeContext.conContext.fatal(Alert.ILLEGAL_PARAMETER, "Invalid CertificateRequest handshake message: " + "no sufficient data"); } this.types = Record.getBytes8(m); // supported_signature_algorithms if (m.remaining() < 6) { throw handshakeContext.conContext.fatal(Alert.ILLEGAL_PARAMETER, "Invalid CertificateRequest handshake message: " + "no sufficient data"); } byte[] algs = Record.getBytes16(m); if (algs == null || algs.length == 0 || (algs.length & 0x01) != 0) { throw handshakeContext.conContext.fatal(Alert.ILLEGAL_PARAMETER, "Invalid CertificateRequest handshake message: " + "incomplete signature algorithms"); } this.algorithmIds = new int[(algs.length >> 1)]; for (int i = 0, j = 0; i < algs.length;) { byte hash = algs[i++]; byte sign = algs[i++]; algorithmIds[j++] = ((hash & 0xFF) << 8) | (sign & 0xFF); } // certificate_authorities if (m.remaining() < 2) { throw handshakeContext.conContext.fatal(Alert.ILLEGAL_PARAMETER, "Invalid CertificateRequest handshake message: " + "no sufficient data"); } int listLen = Record.getInt16(m); if (listLen > m.remaining()) { throw handshakeContext.conContext.fatal(Alert.ILLEGAL_PARAMETER, "Invalid CertificateRequest message: no sufficient data"); } if (listLen > 0) { this.authorities = new LinkedList<>(); while (listLen > 0) { // opaque DistinguishedName<1..2^16-1>; byte[] encoded = Record.getBytes16(m); listLen -= (2 + encoded.length); authorities.add(encoded); } } else { this.authorities = Collections.emptyList(); } } String[] getKeyTypes() { return ClientCertificateType.getKeyTypes(types); } X500Principal[] getAuthorities() { List<X500Principal> principals = new ArrayList<>(authorities.size()); for (byte[] encoded : authorities) { X500Principal principal = new X500Principal(encoded); principals.add(principal); } return principals.toArray(new X500Principal[0]); } @Override public SSLHandshake handshakeType() { return SSLHandshake.CERTIFICATE_REQUEST; } @Override public int messageLength() { int len = 1 + types.length + 2 + (algorithmIds.length << 1) + 2; for (byte[] encoded : authorities) { len += encoded.length + 2; } return len; } @Override public void send(HandshakeOutStream hos) throws IOException { hos.putBytes8(types); int listLen = 0; for (byte[] encoded : authorities) { listLen += encoded.length + 2; } hos.putInt16(algorithmIds.length << 1); for (int algorithmId : algorithmIds) { hos.putInt16(algorithmId); } hos.putInt16(listLen); for (byte[] encoded : authorities) { hos.putBytes16(encoded); } } @Override public String toString() { MessageFormat messageFormat = new MessageFormat( "\"CertificateRequest\": '{'\n" + " \"certificate types\": {0}\n" + " \"supported signature algorithms\": {1}\n" + " \"certificate authorities\": {2}\n" + "'}'", Locale.ENGLISH); List<String> typeNames = new ArrayList<>(types.length); for (byte type : types) { typeNames.add(ClientCertificateType.nameOf(type)); } List<String> algorithmNames = new ArrayList<>(algorithmIds.length); for (int algorithmId : algorithmIds) { algorithmNames.add(SignatureScheme.nameOf(algorithmId)); } List<String> authorityNames = new ArrayList<>(authorities.size()); for (byte[] encoded : authorities) { X500Principal principal = new X500Principal(encoded); authorityNames.add(principal.toString()); } Object[] messageFields = { typeNames, algorithmNames, authorityNames }; return messageFormat.format(messageFields); } }
The "CertificateRequest" handshake message producer for TLS 1.2.
/** * The "CertificateRequest" handshake message producer for TLS 1.2. */
private static final class T12CertificateRequestProducer implements HandshakeProducer { // Prevent instantiation of this class. private T12CertificateRequestProducer() { // blank } @Override public byte[] produce(ConnectionContext context, HandshakeMessage message) throws IOException { // The producing happens in server side only. ServerHandshakeContext shc = (ServerHandshakeContext)context; if (shc.localSupportedSignAlgs == null) { shc.localSupportedSignAlgs = SignatureScheme.getSupportedAlgorithms( shc.algorithmConstraints, shc.activeProtocols); } if (shc.localSupportedSignAlgs == null || shc.localSupportedSignAlgs.isEmpty()) { throw shc.conContext.fatal(Alert.HANDSHAKE_FAILURE, "No supported signature algorithm"); } X509Certificate[] caCerts = shc.sslContext.getX509TrustManager().getAcceptedIssuers(); T12CertificateRequestMessage crm = new T12CertificateRequestMessage( shc, caCerts, shc.negotiatedCipherSuite.keyExchange, shc.localSupportedSignAlgs); if (SSLLogger.isOn && SSLLogger.isOn("ssl,handshake")) { SSLLogger.fine( "Produced CertificateRequest handshake message", crm); } // Output the handshake message. crm.write(shc.handshakeOutput); shc.handshakeOutput.flush(); // // update // shc.handshakeConsumers.put(SSLHandshake.CERTIFICATE.id, SSLHandshake.CERTIFICATE); shc.handshakeConsumers.put(SSLHandshake.CERTIFICATE_VERIFY.id, SSLHandshake.CERTIFICATE_VERIFY); // The handshake message has been delivered. return null; } }
The "CertificateRequest" handshake message consumer for TLS 1.2.
/** * The "CertificateRequest" handshake message consumer for TLS 1.2. */
private static final class T12CertificateRequestConsumer implements SSLConsumer { // Prevent instantiation of this class. private T12CertificateRequestConsumer() { // blank } @Override public void consume(ConnectionContext context, ByteBuffer message) throws IOException { // The consuming happens in client side only. ClientHandshakeContext chc = (ClientHandshakeContext)context; // clean up this consumer chc.handshakeConsumers.remove(SSLHandshake.CERTIFICATE_REQUEST.id); SSLConsumer certStatCons = chc.handshakeConsumers.remove( SSLHandshake.CERTIFICATE_STATUS.id); if (certStatCons != null) { // Stapling was active but no certificate status message // was sent. We need to run the absence handler which will // check the certificate chain. CertificateStatus.handshakeAbsence.absent(context, null); } T12CertificateRequestMessage crm = new T12CertificateRequestMessage(chc, message); if (SSLLogger.isOn && SSLLogger.isOn("ssl,handshake")) { SSLLogger.fine( "Consuming CertificateRequest handshake message", crm); } // // validate // // blank // // update // // An empty client Certificate handshake message may be allow. chc.handshakeProducers.put(SSLHandshake.CERTIFICATE.id, SSLHandshake.CERTIFICATE); List<SignatureScheme> sss = new LinkedList<>(); for (int id : crm.algorithmIds) { SignatureScheme ss = SignatureScheme.valueOf(id); if (ss != null) { sss.add(ss); } } chc.peerRequestedSignatureSchemes = sss; chc.peerRequestedCertSignSchemes = sss; // use the same schemes chc.handshakeSession.setPeerSupportedSignatureAlgorithms(sss); chc.peerSupportedAuthorities = crm.getAuthorities(); // For TLS 1.2, we no longer use the certificate_types field // from the CertificateRequest message to directly determine // the SSLPossession. Instead, the choosePossession method // will use the accepted signature schemes in the message to // determine the set of acceptable certificate types to select from. SSLPossession pos = choosePossession(chc); if (pos == null) { return; } chc.handshakePossessions.add(pos); chc.handshakeProducers.put(SSLHandshake.CERTIFICATE_VERIFY.id, SSLHandshake.CERTIFICATE_VERIFY); } private static SSLPossession choosePossession(HandshakeContext hc) throws IOException { if (hc.peerRequestedCertSignSchemes == null || hc.peerRequestedCertSignSchemes.isEmpty()) { if (SSLLogger.isOn && SSLLogger.isOn("ssl,handshake")) { SSLLogger.warning("No signature and hash algorithms " + "in CertificateRequest"); } return null; } Collection<String> checkedKeyTypes = new HashSet<>(); for (SignatureScheme ss : hc.peerRequestedCertSignSchemes) { if (checkedKeyTypes.contains(ss.keyAlgorithm)) { if (SSLLogger.isOn && SSLLogger.isOn("ssl,handshake")) { SSLLogger.warning( "Unsupported authentication scheme: " + ss.name); } continue; } // Don't select a signature scheme unless we will be able to // produce a CertificateVerify message later if (SignatureScheme.getPreferableAlgorithm( hc.peerRequestedSignatureSchemes, ss, hc.negotiatedProtocol) == null) { if (SSLLogger.isOn && SSLLogger.isOn("ssl,handshake")) { SSLLogger.warning( "Unable to produce CertificateVerify for " + "signature scheme: " + ss.name); } checkedKeyTypes.add(ss.keyAlgorithm); continue; } SSLAuthentication ka = X509Authentication.valueOf(ss); if (ka == null) { if (SSLLogger.isOn && SSLLogger.isOn("ssl,handshake")) { SSLLogger.warning( "Unsupported authentication scheme: " + ss.name); } checkedKeyTypes.add(ss.keyAlgorithm); continue; } SSLPossession pos = ka.createPossession(hc); if (pos == null) { if (SSLLogger.isOn && SSLLogger.isOn("ssl,handshake")) { SSLLogger.warning( "Unavailable authentication scheme: " + ss.name); } continue; } return pos; } if (SSLLogger.isOn && SSLLogger.isOn("ssl,handshake")) { SSLLogger.warning("No available authentication scheme"); } return null; } }
The CertificateRequest handshake message for TLS 1.3.
/** * The CertificateRequest handshake message for TLS 1.3. */
static final class T13CertificateRequestMessage extends HandshakeMessage { private final byte[] requestContext; private final SSLExtensions extensions; T13CertificateRequestMessage( HandshakeContext handshakeContext) throws IOException { super(handshakeContext); this.requestContext = new byte[0]; this.extensions = new SSLExtensions(this); } T13CertificateRequestMessage(HandshakeContext handshakeContext, ByteBuffer m) throws IOException { super(handshakeContext); // struct { // opaque certificate_request_context<0..2^8-1>; // Extension extensions<2..2^16-1>; // } CertificateRequest; if (m.remaining() < 5) { throw handshakeContext.conContext.fatal(Alert.ILLEGAL_PARAMETER, "Invalid CertificateRequest handshake message: " + "no sufficient data"); } this.requestContext = Record.getBytes8(m); if (m.remaining() < 4) { throw handshakeContext.conContext.fatal(Alert.ILLEGAL_PARAMETER, "Invalid CertificateRequest handshake message: " + "no sufficient extensions data"); } SSLExtension[] enabledExtensions = handshakeContext.sslConfig.getEnabledExtensions( SSLHandshake.CERTIFICATE_REQUEST); this.extensions = new SSLExtensions(this, m, enabledExtensions); } @Override SSLHandshake handshakeType() { return SSLHandshake.CERTIFICATE_REQUEST; } @Override int messageLength() { // In TLS 1.3, use of certain extensions is mandatory. return 1 + requestContext.length + extensions.length(); } @Override void send(HandshakeOutStream hos) throws IOException { hos.putBytes8(requestContext); // In TLS 1.3, use of certain extensions is mandatory. extensions.send(hos); } @Override public String toString() { MessageFormat messageFormat = new MessageFormat( "\"CertificateRequest\": '{'\n" + " \"certificate_request_context\": \"{0}\",\n" + " \"extensions\": [\n" + "{1}\n" + " ]\n" + "'}'", Locale.ENGLISH); Object[] messageFields = { Utilities.toHexString(requestContext), Utilities.indent(Utilities.indent(extensions.toString())) }; return messageFormat.format(messageFields); } }
The "CertificateRequest" handshake message producer for TLS 1.3.
/** * The "CertificateRequest" handshake message producer for TLS 1.3. */
private static final class T13CertificateRequestProducer implements HandshakeProducer { // Prevent instantiation of this class. private T13CertificateRequestProducer() { // blank } @Override public byte[] produce(ConnectionContext context, HandshakeMessage message) throws IOException { // The producing happens in server side only. ServerHandshakeContext shc = (ServerHandshakeContext)context; T13CertificateRequestMessage crm = new T13CertificateRequestMessage(shc); // Produce extensions for CertificateRequest handshake message. SSLExtension[] extTypes = shc.sslConfig.getEnabledExtensions( SSLHandshake.CERTIFICATE_REQUEST, shc.negotiatedProtocol); crm.extensions.produce(shc, extTypes); if (SSLLogger.isOn && SSLLogger.isOn("ssl,handshake")) { SSLLogger.fine("Produced CertificateRequest message", crm); } // Output the handshake message. crm.write(shc.handshakeOutput); shc.handshakeOutput.flush(); // // update // shc.certRequestContext = crm.requestContext.clone(); shc.handshakeConsumers.put(SSLHandshake.CERTIFICATE.id, SSLHandshake.CERTIFICATE); shc.handshakeConsumers.put(SSLHandshake.CERTIFICATE_VERIFY.id, SSLHandshake.CERTIFICATE_VERIFY); // The handshake message has been delivered. return null; } }
The "CertificateRequest" handshake message consumer for TLS 1.3.
/** * The "CertificateRequest" handshake message consumer for TLS 1.3. */
private static final class T13CertificateRequestConsumer implements SSLConsumer { // Prevent instantiation of this class. private T13CertificateRequestConsumer() { // blank } @Override public void consume(ConnectionContext context, ByteBuffer message) throws IOException { // The consuming happens in client side only. ClientHandshakeContext chc = (ClientHandshakeContext)context; // clean up this consumer chc.handshakeConsumers.remove(SSLHandshake.CERTIFICATE_REQUEST.id); T13CertificateRequestMessage crm = new T13CertificateRequestMessage(chc, message); if (SSLLogger.isOn && SSLLogger.isOn("ssl,handshake")) { SSLLogger.fine( "Consuming CertificateRequest handshake message", crm); } // // validate // SSLExtension[] extTypes = chc.sslConfig.getEnabledExtensions( SSLHandshake.CERTIFICATE_REQUEST); crm.extensions.consumeOnLoad(chc, extTypes); // // update // crm.extensions.consumeOnTrade(chc, extTypes); // // produce // chc.certRequestContext = crm.requestContext.clone(); chc.handshakeProducers.put(SSLHandshake.CERTIFICATE.id, SSLHandshake.CERTIFICATE); chc.handshakeProducers.put(SSLHandshake.CERTIFICATE_VERIFY.id, SSLHandshake.CERTIFICATE_VERIFY); } } }