| /* |
| * Copyright (c) 2018, 2020, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package sun.security.ssl; |
| |
| import java.security.PrivateKey; |
| import java.security.PublicKey; |
| import java.security.cert.X509Certificate; |
| import java.security.interfaces.ECKey; |
| import java.security.interfaces.ECPublicKey; |
| import java.security.interfaces.XECKey; |
| import java.security.spec.AlgorithmParameterSpec; |
| import java.security.spec.ECParameterSpec; |
| import java.security.spec.NamedParameterSpec; |
| import java.util.AbstractMap.SimpleImmutableEntry; |
| import java.util.Map; |
| import javax.net.ssl.SSLEngine; |
| import javax.net.ssl.SSLSocket; |
| import javax.net.ssl.X509ExtendedKeyManager; |
| import sun.security.ssl.SupportedGroupsExtension.SupportedGroups; |
| |
| enum X509Authentication implements SSLAuthentication { |
| // Require rsaEncryption public key |
| RSA ("RSA", new X509PossessionGenerator( |
| new String[]{"RSA"})), |
| |
| // Require RSASSA-PSS public key |
| RSASSA_PSS ("RSASSA-PSS", new X509PossessionGenerator( |
| new String[] {"RSASSA-PSS"})), |
| |
| // Require rsaEncryption or RSASSA-PSS public key |
| // |
| // Note that this is a specifical scheme for TLS 1.2. (EC)DHE_RSA cipher |
| // suites of TLS 1.2 can use either rsaEncryption or RSASSA-PSS public |
| // key for authentication and handshake. |
| RSA_OR_PSS ("RSA_OR_PSS", new X509PossessionGenerator( |
| new String[] {"RSA", "RSASSA-PSS"})), |
| |
| // Require DSA public key |
| DSA ("DSA", new X509PossessionGenerator( |
| new String[] {"DSA"})), |
| |
| // Require EC public key |
| EC ("EC", new X509PossessionGenerator( |
| new String[] {"EC"})); |
| |
| final String keyType; |
| final SSLPossessionGenerator possessionGenerator; |
| |
| private X509Authentication(String keyType, |
| SSLPossessionGenerator possessionGenerator) { |
| this.keyType = keyType; |
| this.possessionGenerator = possessionGenerator; |
| } |
| |
| static X509Authentication valueOf(SignatureScheme signatureScheme) { |
| for (X509Authentication au : X509Authentication.values()) { |
| if (au.keyType.equals(signatureScheme.keyAlgorithm)) { |
| return au; |
| } |
| } |
| |
| return null; |
| } |
| |
| @Override |
| public SSLPossession createPossession(HandshakeContext handshakeContext) { |
| return possessionGenerator.createPossession(handshakeContext); |
| } |
| |
| @Override |
| public SSLHandshake[] getRelatedHandshakers( |
| HandshakeContext handshakeContext) { |
| if (!handshakeContext.negotiatedProtocol.useTLS13PlusSpec()) { |
| return new SSLHandshake[] { |
| SSLHandshake.CERTIFICATE, |
| SSLHandshake.CERTIFICATE_REQUEST |
| }; |
| } // Otherwise, TLS 1.3 does not use this method. |
| |
| return new SSLHandshake[0]; |
| } |
| |
| @SuppressWarnings({"unchecked", "rawtypes"}) |
| @Override |
| public Map.Entry<Byte, HandshakeProducer>[] getHandshakeProducers( |
| HandshakeContext handshakeContext) { |
| if (!handshakeContext.negotiatedProtocol.useTLS13PlusSpec()) { |
| return (Map.Entry<Byte, HandshakeProducer>[])(new Map.Entry[] { |
| new SimpleImmutableEntry<Byte, HandshakeProducer>( |
| SSLHandshake.CERTIFICATE.id, |
| SSLHandshake.CERTIFICATE |
| ) |
| }); |
| } // Otherwise, TLS 1.3 does not use this method. |
| |
| return (Map.Entry<Byte, HandshakeProducer>[])(new Map.Entry[0]); |
| } |
| |
| static final class X509Possession implements SSLPossession { |
| // Proof of possession of the private key corresponding to the public |
| // key for which a certificate is being provided for authentication. |
| final X509Certificate[] popCerts; |
| final PrivateKey popPrivateKey; |
| |
| X509Possession(PrivateKey popPrivateKey, |
| X509Certificate[] popCerts) { |
| this.popCerts = popCerts; |
| this.popPrivateKey = popPrivateKey; |
| } |
| |
| ECParameterSpec getECParameterSpec() { |
| if (popPrivateKey == null || |
| !"EC".equals(popPrivateKey.getAlgorithm())) { |
| return null; |
| } |
| |
| if (popPrivateKey instanceof ECKey) { |
| return ((ECKey)popPrivateKey).getParams(); |
| } else if (popCerts != null && popCerts.length != 0) { |
| // The private key not extractable, get the parameters from |
| // the X.509 certificate. |
| PublicKey publicKey = popCerts[0].getPublicKey(); |
| if (publicKey instanceof ECKey) { |
| return ((ECKey)publicKey).getParams(); |
| } |
| } |
| |
| return null; |
| } |
| |
| // Similar to above, but for XEC. |
| NamedParameterSpec getXECParameterSpec() { |
| if (popPrivateKey == null || |
| !"XEC".equals(popPrivateKey.getAlgorithm())) { |
| return null; |
| } |
| |
| if (popPrivateKey instanceof XECKey) { |
| AlgorithmParameterSpec params = |
| ((XECKey)popPrivateKey).getParams(); |
| if (params instanceof NamedParameterSpec){ |
| return (NamedParameterSpec)params; |
| } |
| } else if (popCerts != null && popCerts.length != 0) { |
| // The private key not extractable, get the parameters from |
| // the X.509 certificate. |
| PublicKey publicKey = popCerts[0].getPublicKey(); |
| if (publicKey instanceof XECKey) { |
| AlgorithmParameterSpec params = |
| ((XECKey)publicKey).getParams(); |
| if (params instanceof NamedParameterSpec){ |
| return (NamedParameterSpec)params; |
| } |
| } |
| } |
| |
| return null; |
| } |
| } |
| |
| static final class X509Credentials implements SSLCredentials { |
| final X509Certificate[] popCerts; |
| final PublicKey popPublicKey; |
| |
| X509Credentials(PublicKey popPublicKey, X509Certificate[] popCerts) { |
| this.popCerts = popCerts; |
| this.popPublicKey = popPublicKey; |
| } |
| } |
| |
| static final class X509PossessionGenerator |
| implements SSLPossessionGenerator { |
| final String[] keyTypes; |
| |
| private X509PossessionGenerator(String[] keyTypes) { |
| this.keyTypes = keyTypes; |
| } |
| |
| @Override |
| public SSLPossession createPossession(HandshakeContext context) { |
| if (context.sslConfig.isClientMode) { |
| for (String keyType : keyTypes) { |
| SSLPossession poss = createClientPossession( |
| (ClientHandshakeContext)context, keyType); |
| if (poss != null) { |
| return poss; |
| } |
| } |
| } else { |
| for (String keyType : keyTypes) { |
| SSLPossession poss = createServerPossession( |
| (ServerHandshakeContext)context, keyType); |
| if (poss != null) { |
| return poss; |
| } |
| } |
| } |
| |
| return null; |
| } |
| |
| // Used by TLS 1.2 and TLS 1.3. |
| private SSLPossession createClientPossession( |
| ClientHandshakeContext chc, String keyType) { |
| X509ExtendedKeyManager km = chc.sslContext.getX509KeyManager(); |
| String clientAlias = null; |
| if (chc.conContext.transport instanceof SSLSocketImpl) { |
| clientAlias = km.chooseClientAlias( |
| new String[] { keyType }, |
| chc.peerSupportedAuthorities == null ? null : |
| chc.peerSupportedAuthorities.clone(), |
| (SSLSocket)chc.conContext.transport); |
| } else if (chc.conContext.transport instanceof SSLEngineImpl) { |
| clientAlias = km.chooseEngineClientAlias( |
| new String[] { keyType }, |
| chc.peerSupportedAuthorities == null ? null : |
| chc.peerSupportedAuthorities.clone(), |
| (SSLEngine)chc.conContext.transport); |
| } |
| |
| if (clientAlias == null) { |
| if (SSLLogger.isOn && SSLLogger.isOn("ssl")) { |
| SSLLogger.finest("No X.509 cert selected for " + keyType); |
| } |
| return null; |
| } |
| |
| PrivateKey clientPrivateKey = km.getPrivateKey(clientAlias); |
| if (clientPrivateKey == null) { |
| if (SSLLogger.isOn && SSLLogger.isOn("ssl")) { |
| SSLLogger.finest( |
| clientAlias + " is not a private key entry"); |
| } |
| return null; |
| } |
| |
| X509Certificate[] clientCerts = km.getCertificateChain(clientAlias); |
| if ((clientCerts == null) || (clientCerts.length == 0)) { |
| if (SSLLogger.isOn && SSLLogger.isOn("ssl")) { |
| SSLLogger.finest(clientAlias + |
| " is a private key entry with no cert chain stored"); |
| } |
| return null; |
| } |
| |
| PublicKey clientPublicKey = clientCerts[0].getPublicKey(); |
| if ((!clientPrivateKey.getAlgorithm().equals(keyType)) |
| || (!clientPublicKey.getAlgorithm().equals(keyType))) { |
| if (SSLLogger.isOn && SSLLogger.isOn("ssl")) { |
| SSLLogger.fine( |
| clientAlias + " private or public key is not of " + |
| keyType + " algorithm"); |
| } |
| return null; |
| } |
| |
| return new X509Possession(clientPrivateKey, clientCerts); |
| } |
| |
| private SSLPossession createServerPossession( |
| ServerHandshakeContext shc, String keyType) { |
| X509ExtendedKeyManager km = shc.sslContext.getX509KeyManager(); |
| String serverAlias = null; |
| if (shc.conContext.transport instanceof SSLSocketImpl) { |
| serverAlias = km.chooseServerAlias(keyType, |
| shc.peerSupportedAuthorities == null ? null : |
| shc.peerSupportedAuthorities.clone(), |
| (SSLSocket)shc.conContext.transport); |
| } else if (shc.conContext.transport instanceof SSLEngineImpl) { |
| serverAlias = km.chooseEngineServerAlias(keyType, |
| shc.peerSupportedAuthorities == null ? null : |
| shc.peerSupportedAuthorities.clone(), |
| (SSLEngine)shc.conContext.transport); |
| } |
| |
| if (serverAlias == null) { |
| if (SSLLogger.isOn && SSLLogger.isOn("ssl")) { |
| SSLLogger.finest("No X.509 cert selected for " + keyType); |
| } |
| return null; |
| } |
| |
| PrivateKey serverPrivateKey = km.getPrivateKey(serverAlias); |
| if (serverPrivateKey == null) { |
| if (SSLLogger.isOn && SSLLogger.isOn("ssl")) { |
| SSLLogger.finest( |
| serverAlias + " is not a private key entry"); |
| } |
| return null; |
| } |
| |
| X509Certificate[] serverCerts = km.getCertificateChain(serverAlias); |
| if ((serverCerts == null) || (serverCerts.length == 0)) { |
| if (SSLLogger.isOn && SSLLogger.isOn("ssl")) { |
| SSLLogger.finest( |
| serverAlias + " is not a certificate entry"); |
| } |
| return null; |
| } |
| |
| PublicKey serverPublicKey = serverCerts[0].getPublicKey(); |
| if ((!serverPrivateKey.getAlgorithm().equals(keyType)) |
| || (!serverPublicKey.getAlgorithm().equals(keyType))) { |
| if (SSLLogger.isOn && SSLLogger.isOn("ssl")) { |
| SSLLogger.fine( |
| serverAlias + " private or public key is not of " + |
| keyType + " algorithm"); |
| } |
| return null; |
| } |
| |
| // For TLS 1.2 and prior versions, the public key of a EC cert |
| // MUST use a curve and point format supported by the client. |
| // But for TLS 1.3, signature algorithms are negotiated |
| // independently via the "signature_algorithms" extension. |
| if (!shc.negotiatedProtocol.useTLS13PlusSpec() && |
| keyType.equals("EC")) { |
| if (!(serverPublicKey instanceof ECPublicKey)) { |
| if (SSLLogger.isOn && SSLLogger.isOn("ssl")) { |
| SSLLogger.warning(serverAlias + |
| " public key is not an instance of ECPublicKey"); |
| } |
| return null; |
| } |
| |
| // For ECC certs, check whether we support the EC domain |
| // parameters. If the client sent a supported_groups |
| // ClientHello extension, check against that too for |
| // TLS 1.2 and prior versions. |
| ECParameterSpec params = |
| ((ECPublicKey)serverPublicKey).getParams(); |
| NamedGroup namedGroup = NamedGroup.valueOf(params); |
| if ((namedGroup == null) || |
| (!SupportedGroups.isSupported(namedGroup)) || |
| ((shc.clientRequestedNamedGroups != null) && |
| !shc.clientRequestedNamedGroups.contains(namedGroup))) { |
| |
| if (SSLLogger.isOn && SSLLogger.isOn("ssl")) { |
| SSLLogger.warning( |
| "Unsupported named group (" + namedGroup + |
| ") used in the " + serverAlias + " certificate"); |
| } |
| |
| return null; |
| } |
| } |
| |
| return new X509Possession(serverPrivateKey, serverCerts); |
| } |
| } |
| } |