151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski/* 251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Copyright (c) 2002, 2012, Oracle and/or its affiliates. All rights reserved. 351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * This code is free software; you can redistribute it and/or modify it 651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * under the terms of the GNU General Public License version 2 only, as 751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * published by the Free Software Foundation. Oracle designates this 851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * particular file as subject to the "Classpath" exception as provided 951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * by Oracle in the LICENSE file that accompanied this code. 1051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 1151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * This code is distributed in the hope that it will be useful, but WITHOUT 1251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 1351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 1451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * version 2 for more details (a copy is included in the LICENSE file that 1551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * accompanied this code). 1651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 1751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * You should have received a copy of the GNU General Public License version 1851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 2 along with this work; if not, write to the Free Software Foundation, 1951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 2051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 2151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 2251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * or visit www.oracle.com if you need additional information or have any 2351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * questions. 2451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 2551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 2651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebskipackage sun.security.validator; 2751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 2851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebskiimport java.io.IOException; 2951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebskiimport java.util.*; 3051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 3151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebskiimport java.security.*; 3251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebskiimport java.security.cert.*; 3351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 3451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebskiimport javax.security.auth.x500.X500Principal; 3551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 3651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebskiimport sun.security.x509.X509CertImpl; 3751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebskiimport sun.security.x509.NetscapeCertTypeExtension; 3851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebskiimport sun.security.util.DerValue; 3951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebskiimport sun.security.util.DerInputStream; 4051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebskiimport sun.security.util.DerOutputStream; 4151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebskiimport sun.security.util.ObjectIdentifier; 4251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 4351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebskiimport sun.security.provider.certpath.AlgorithmChecker; 4451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebskiimport sun.security.provider.certpath.UntrustedChecker; 4551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 4651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski/** 4751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * A simple validator implementation. It is based on code from the JSSE 4851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * X509TrustManagerImpl. This implementation is designed for compatibility with 4951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * deployed certificates and previous J2SE versions. It will never support 5051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * more advanced features and will be deemphasized in favor of the PKIX 5151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * validator going forward. 5251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * <p> 5351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * {@code SimpleValidator} objects are immutable once they have been created. 5451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Please DO NOT add methods that can change the state of an instance once 5551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * it has been created. 5651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 5751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @author Andreas Sterbenz 5851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 5951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebskipublic final class SimpleValidator extends Validator { 6051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 6151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski // Constants for the OIDs we need 6251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 6351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski final static String OID_BASIC_CONSTRAINTS = "2.5.29.19"; 6451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 6551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski final static String OID_NETSCAPE_CERT_TYPE = "2.16.840.1.113730.1.1"; 6651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 6751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski final static String OID_KEY_USAGE = "2.5.29.15"; 6851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 6951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski final static String OID_EXTENDED_KEY_USAGE = "2.5.29.37"; 7051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 7151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski final static String OID_EKU_ANY_USAGE = "2.5.29.37.0"; 7251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 7351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski final static ObjectIdentifier OBJID_NETSCAPE_CERT_TYPE = 7451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski NetscapeCertTypeExtension.NetscapeCertType_Id; 7551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 7651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski private final static String NSCT_SSL_CA = 7751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski NetscapeCertTypeExtension.SSL_CA; 7851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 7951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski private final static String NSCT_CODE_SIGNING_CA = 8051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski NetscapeCertTypeExtension.OBJECT_SIGNING_CA; 8151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 8251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 8351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * The trusted certificates as: 8451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Map (X500Principal)subject of trusted cert -> List of X509Certificate 8551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * The list is used because there may be multiple certificates 8651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * with an identical subject DN. 8751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 8851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski private final Map<X500Principal, List<X509Certificate>> 8951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski trustedX500Principals; 9051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 9151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 9251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Set of the trusted certificates. Present only for 9351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * getTrustedCertificates(). 9451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 9551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski private final Collection<X509Certificate> trustedCerts; 9651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 9751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski SimpleValidator(String variant, Collection<X509Certificate> trustedCerts) { 9851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski super(TYPE_SIMPLE, variant); 9951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski this.trustedCerts = trustedCerts; 10051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski trustedX500Principals = 10151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski new HashMap<X500Principal, List<X509Certificate>>(); 10251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski for (X509Certificate cert : trustedCerts) { 10351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski X500Principal principal = cert.getSubjectX500Principal(); 10451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski List<X509Certificate> list = trustedX500Principals.get(principal); 10551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (list == null) { 10651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski // this actually should be a set, but duplicate entries 10751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski // are not a problem and we can avoid the Set overhead 10851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski list = new ArrayList<X509Certificate>(2); 10951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski trustedX500Principals.put(principal, list); 11051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 11151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski list.add(cert); 11251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 11351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 11451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 11551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski public Collection<X509Certificate> getTrustedCertificates() { 11651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return trustedCerts; 11751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 11851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 11951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 12051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Perform simple validation of chain. The arguments otherCerts and 12151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * parameter are ignored. 12251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 12351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski @Override 12451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski X509Certificate[] engineValidate(X509Certificate[] chain, 12551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski Collection<X509Certificate> otherCerts, 12651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski AlgorithmConstraints constraints, 12751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski Object parameter) throws CertificateException { 12851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if ((chain == null) || (chain.length == 0)) { 12951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski throw new CertificateException 13051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski ("null or zero-length certificate chain"); 13151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 13251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 13351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski // make sure chain includes a trusted cert 13451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski chain = buildTrustedChain(chain); 13551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 13651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski Date date = validationDate; 13751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (date == null) { 13851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski date = new Date(); 13951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 14051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 14151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski // create distrusted certificates checker 14251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski UntrustedChecker untrustedChecker = new UntrustedChecker(); 14351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 14451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski // create default algorithm constraints checker 14551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski TrustAnchor anchor = new TrustAnchor(chain[chain.length - 1], null); 14651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski AlgorithmChecker defaultAlgChecker = new AlgorithmChecker(anchor); 14751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 14851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski // create application level algorithm constraints checker 14951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski AlgorithmChecker appAlgChecker = null; 15051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (constraints != null) { 15151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski appAlgChecker = new AlgorithmChecker(anchor, constraints); 15251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 15351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 15451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski // verify top down, starting at the certificate issued by 15551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski // the trust anchor 15651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski int maxPathLength = chain.length - 1; 15751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski for (int i = chain.length - 2; i >= 0; i--) { 15851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski X509Certificate issuerCert = chain[i + 1]; 15951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski X509Certificate cert = chain[i]; 16051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 16151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski // check untrusted certificate 16251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski try { 16351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski // Untrusted checker does not care about the unresolved 16451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski // critical extensions. 16551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski untrustedChecker.check(cert, Collections.<String>emptySet()); 16651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } catch (CertPathValidatorException cpve) { 16751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski throw new ValidatorException( 16851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski "Untrusted certificate: " + cert.getSubjectX500Principal(), 16951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski ValidatorException.T_UNTRUSTED_CERT, cert, cpve); 17051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 17151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 17251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski // check certificate algorithm 17351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski try { 17451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski // Algorithm checker does not care about the unresolved 17551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski // critical extensions. 17651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski defaultAlgChecker.check(cert, Collections.<String>emptySet()); 17751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (appAlgChecker != null) { 17851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski appAlgChecker.check(cert, Collections.<String>emptySet()); 17951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 18051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } catch (CertPathValidatorException cpve) { 18151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski throw new ValidatorException 18251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski (ValidatorException.T_ALGORITHM_DISABLED, cert, cpve); 18351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 18451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 18551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski // no validity check for code signing certs 18651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if ((variant.equals(VAR_CODE_SIGNING) == false) 18751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski && (variant.equals(VAR_JCE_SIGNING) == false)) { 18851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski cert.checkValidity(date); 18951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 19051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 19151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski // check name chaining 19251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (cert.getIssuerX500Principal().equals( 19351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski issuerCert.getSubjectX500Principal()) == false) { 19451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski throw new ValidatorException 19551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski (ValidatorException.T_NAME_CHAINING, cert); 19651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 19751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 19851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski // check signature 19951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski try { 20051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski cert.verify(issuerCert.getPublicKey()); 20151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } catch (GeneralSecurityException e) { 20251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski throw new ValidatorException 20351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski (ValidatorException.T_SIGNATURE_ERROR, cert, e); 20451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 20551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 20651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski // check extensions for CA certs 20751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (i != 0) { 20851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski maxPathLength = checkExtensions(cert, maxPathLength); 20951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 21051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 21151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 21251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return chain; 21351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 21451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 21551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski private int checkExtensions(X509Certificate cert, int maxPathLen) 21651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski throws CertificateException { 21751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski Set<String> critSet = cert.getCriticalExtensionOIDs(); 21851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (critSet == null) { 21951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski critSet = Collections.<String>emptySet(); 22051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 22151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 22251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski // Check the basic constraints extension 22351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski int pathLenConstraint = 22451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski checkBasicConstraints(cert, critSet, maxPathLen); 22551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 22651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski // Check the key usage and extended key usage extensions 22751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski checkKeyUsage(cert, critSet); 22851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 22951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski // check Netscape certificate type extension 23051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski checkNetscapeCertType(cert, critSet); 23151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 23251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (!critSet.isEmpty()) { 23351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski throw new ValidatorException 23451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski ("Certificate contains unknown critical extensions: " + critSet, 23551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski ValidatorException.T_CA_EXTENSIONS, cert); 23651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 23751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 23851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return pathLenConstraint; 23951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 24051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 24151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski private void checkNetscapeCertType(X509Certificate cert, 24251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski Set<String> critSet) throws CertificateException { 24351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (variant.equals(VAR_GENERIC)) { 24451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski // nothing 24551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } else if (variant.equals(VAR_TLS_CLIENT) 24651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski || variant.equals(VAR_TLS_SERVER)) { 24751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (getNetscapeCertTypeBit(cert, NSCT_SSL_CA) == false) { 24851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski throw new ValidatorException 24951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski ("Invalid Netscape CertType extension for SSL CA " 25051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski + "certificate", 25151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski ValidatorException.T_CA_EXTENSIONS, cert); 25251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 25351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski critSet.remove(OID_NETSCAPE_CERT_TYPE); 25451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } else if (variant.equals(VAR_CODE_SIGNING) 25551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski || variant.equals(VAR_JCE_SIGNING)) { 25651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (getNetscapeCertTypeBit(cert, NSCT_CODE_SIGNING_CA) == false) { 25751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski throw new ValidatorException 25851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski ("Invalid Netscape CertType extension for code " 25951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski + "signing CA certificate", 26051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski ValidatorException.T_CA_EXTENSIONS, cert); 26151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 26251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski critSet.remove(OID_NETSCAPE_CERT_TYPE); 26351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } else { 26451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski throw new CertificateException("Unknown variant " + variant); 26551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 26651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 26751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 26851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 26951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Get the value of the specified bit in the Netscape certificate type 27051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * extension. If the extension is not present at all, we return true. 27151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 27251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski static boolean getNetscapeCertTypeBit(X509Certificate cert, String type) { 27351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski try { 27451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski NetscapeCertTypeExtension ext; 27551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (cert instanceof X509CertImpl) { 27651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski X509CertImpl certImpl = (X509CertImpl)cert; 27751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski ObjectIdentifier oid = OBJID_NETSCAPE_CERT_TYPE; 27851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski ext = (NetscapeCertTypeExtension)certImpl.getExtension(oid); 27951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (ext == null) { 28051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return true; 28151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 28251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } else { 28351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski byte[] extVal = cert.getExtensionValue(OID_NETSCAPE_CERT_TYPE); 28451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (extVal == null) { 28551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return true; 28651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 28751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski DerInputStream in = new DerInputStream(extVal); 28851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski byte[] encoded = in.getOctetString(); 28951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski encoded = new DerValue(encoded).getUnalignedBitString() 29051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski .toByteArray(); 29151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski ext = new NetscapeCertTypeExtension(encoded); 29251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 29351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski Boolean val = (Boolean)ext.get(type); 29451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return val.booleanValue(); 29551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } catch (IOException e) { 29651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return false; 29751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 29851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 29951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 30051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski private int checkBasicConstraints(X509Certificate cert, 30151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski Set<String> critSet, int maxPathLen) throws CertificateException { 30251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 30351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski critSet.remove(OID_BASIC_CONSTRAINTS); 30451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski int constraints = cert.getBasicConstraints(); 30551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski // reject, if extension missing or not a CA (constraints == -1) 30651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (constraints < 0) { 30751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski throw new ValidatorException("End user tried to act as a CA", 30851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski ValidatorException.T_CA_EXTENSIONS, cert); 30951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 31051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 31151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski // if the certificate is self-issued, ignore the pathLenConstraint 31251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski // checking. 31351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (!X509CertImpl.isSelfIssued(cert)) { 31451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (maxPathLen <= 0) { 31551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski throw new ValidatorException("Violated path length constraints", 31651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski ValidatorException.T_CA_EXTENSIONS, cert); 31751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 31851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 31951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski maxPathLen--; 32051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 32151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 32251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (maxPathLen > constraints) { 32351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski maxPathLen = constraints; 32451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 32551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 32651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return maxPathLen; 32751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 32851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 32951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /* 33051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Verify the key usage and extended key usage for intermediate 33151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * certificates. 33251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 33351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski private void checkKeyUsage(X509Certificate cert, Set<String> critSet) 33451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski throws CertificateException { 33551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 33651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski critSet.remove(OID_KEY_USAGE); 33751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski // EKU irrelevant in CA certificates 33851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski critSet.remove(OID_EXTENDED_KEY_USAGE); 33951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 34051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski // check key usage extension 34151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski boolean[] keyUsageInfo = cert.getKeyUsage(); 34251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (keyUsageInfo != null) { 34351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski // keyUsageInfo[5] is for keyCertSign. 34451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if ((keyUsageInfo.length < 6) || (keyUsageInfo[5] == false)) { 34551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski throw new ValidatorException 34651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski ("Wrong key usage: expected keyCertSign", 34751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski ValidatorException.T_CA_EXTENSIONS, cert); 34851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 34951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 35051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 35151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 35251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 35351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Build a trusted certificate chain. This method always returns a chain 35451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * with a trust anchor as the final cert in the chain. If no trust anchor 35551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * could be found, a CertificateException is thrown. 35651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 35751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski private X509Certificate[] buildTrustedChain(X509Certificate[] chain) 35851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski throws CertificateException { 35951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski List<X509Certificate> c = new ArrayList<X509Certificate>(chain.length); 36051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski // scan chain starting at EE cert 36151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski // if a trusted certificate is found, append it and return 36251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski for (int i = 0; i < chain.length; i++) { 36351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski X509Certificate cert = chain[i]; 36451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski X509Certificate trustedCert = getTrustedCertificate(cert); 36551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (trustedCert != null) { 36651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski c.add(trustedCert); 36751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return c.toArray(CHAIN0); 36851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 36951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski c.add(cert); 37051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 37151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 37251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski // check if we can append a trusted cert 37351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski X509Certificate cert = chain[chain.length - 1]; 37451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski X500Principal subject = cert.getSubjectX500Principal(); 37551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski X500Principal issuer = cert.getIssuerX500Principal(); 37651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski List<X509Certificate> list = trustedX500Principals.get(issuer); 37751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (list != null) { 37851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski X509Certificate trustedCert = list.iterator().next(); 37951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski c.add(trustedCert); 38051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return c.toArray(CHAIN0); 38151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 38251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 38351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski // no trusted cert found, error 38451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski throw new ValidatorException(ValidatorException.T_NO_TRUST_ANCHOR); 38551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 38651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 38751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 38851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Return a trusted certificate that matches the input certificate, 38951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * or null if no such certificate can be found. This method also handles 39051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * cases where a CA re-issues a trust anchor with the same public key and 39151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * same subject and issuer names but a new validity period, etc. 39251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 39351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski private X509Certificate getTrustedCertificate(X509Certificate cert) { 39451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski Principal certSubjectName = cert.getSubjectX500Principal(); 39551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski List<X509Certificate> list = trustedX500Principals.get(certSubjectName); 39651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (list == null) { 39751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return null; 39851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 39951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 40051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski Principal certIssuerName = cert.getIssuerX500Principal(); 40151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski PublicKey certPublicKey = cert.getPublicKey(); 40251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 40351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski for (X509Certificate mycert : list) { 40451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (mycert.equals(cert)) { 40551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return cert; 40651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 40751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (!mycert.getIssuerX500Principal().equals(certIssuerName)) { 40851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski continue; 40951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 41051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (!mycert.getPublicKey().equals(certPublicKey)) { 41151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski continue; 41251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 41351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 41451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski // All tests pass, this must be the one to use... 41551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return mycert; 41651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 41751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return null; 41851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 41951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 42051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski} 421