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jlechner |
/* PKIXParameters.java -- parameters for the PKIX cert path algorithm
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Copyright (C) 2003 Free Software Foundation, Inc.
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This file is part of GNU Classpath.
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GNU Classpath is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Classpath is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Classpath; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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02110-1301 USA.
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Linking this library statically or dynamically with other modules is
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making a combined work based on this library. Thus, the terms and
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conditions of the GNU General Public License cover the whole
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combination.
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As a special exception, the copyright holders of this library give you
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permission to link this library with independent modules to produce an
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executable, regardless of the license terms of these independent
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modules, and to copy and distribute the resulting executable under
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terms of your choice, provided that you also meet, for each linked
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independent module, the terms and conditions of the license of that
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module. An independent module is a module which is not derived from
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or based on this library. If you modify this library, you may extend
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this exception to your version of the library, but you are not
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obligated to do so. If you do not wish to do so, delete this
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exception statement from your version. */
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package java.security.cert;
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import java.security.InvalidAlgorithmParameterException;
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import java.security.KeyStore;
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import java.security.KeyStoreException;
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import java.util.Collections;
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import java.util.Date;
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import java.util.Enumeration;
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import java.util.HashSet;
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import java.util.Iterator;
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import java.util.LinkedList;
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import java.util.List;
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import java.util.Set;
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/**
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* Parameters for verifying certificate paths using the PKIX
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* (Public-Key Infrastructure (X.509)) algorithm.
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*
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* @see CertPathBulider
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*/
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public class PKIXParameters implements CertPathParameters
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{
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// Fields.
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// ------------------------------------------------------------------------
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/** The trusted certificates. */
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private final Set trustAnchors;
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/** The set of initial policy identifiers. */
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private final Set initPolicies;
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/** The list of certificate stores. */
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private final List certStores;
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/** The list of path checkers. */
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private final List pathCheckers;
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/** The revocation enabled flag. */
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private boolean revocationEnabled;
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/** The explicit policy required flag. */
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private boolean exPolicyRequired;
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/** The policy mapping inhibited flag. */
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private boolean policyMappingInhibited;
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/** The any policy inhibited flag. */
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private boolean anyPolicyInhibited;
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/** The policy qualifiers rejected flag. */
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private boolean policyQualRejected;
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/** The target validation date. */
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private Date date;
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/** The signature algorithm provider. */
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private String sigProvider;
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/** The target constraints. */
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private CertSelector targetConstraints;
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// Constructors.
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// ------------------------------------------------------------------------
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/**
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* Create a new PKIXParameters object, populating the trusted
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* certificates set with all certificates found in the given key
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* store. All certificates found in the key store are assumed to be
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* trusted by this constructor.
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*
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* @param keystore The key store.
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* @throws KeyStoreException If the certificates cannot be retrieved
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* from the key store.
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* @throws InvalidAlgorithmParameterException If there are no
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* certificates in the key store.
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* @throws NullPointerException If <i>keystore</i> is null.
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*/
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public PKIXParameters(KeyStore keystore)
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throws KeyStoreException, InvalidAlgorithmParameterException
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{
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this();
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for (Enumeration e = keystore.aliases(); e.hasMoreElements(); )
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{
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String alias = (String) e.nextElement();
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if (!keystore.isCertificateEntry(alias))
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continue;
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Certificate cert = keystore.getCertificate(alias);
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if (cert instanceof X509Certificate)
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trustAnchors.add(new TrustAnchor((X509Certificate) cert, null));
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}
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if (trustAnchors.isEmpty())
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throw new InvalidAlgorithmParameterException("no certs in the key store");
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}
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/**
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* Create a new PKIXParameters object, populating the trusted
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* certificates set with the elements of the given set, each of which
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* must be a {@link TrustAnchor}.
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*
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* @param trustAnchors The set of trust anchors.
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* @throws InvalidAlgorithmParameterException If there are no
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* certificates in the set.
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* @throws NullPointerException If <i>trustAnchors</i> is null.
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* @throws ClassCastException If every element in <i>trustAnchors</i>
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* is not a {@link TrustAnchor}.
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*/
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public PKIXParameters(Set trustAnchors)
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throws InvalidAlgorithmParameterException
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{
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this();
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setTrustAnchors(trustAnchors);
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}
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/**
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* Default constructor.
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*/
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private PKIXParameters()
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{
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trustAnchors = new HashSet();
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initPolicies = new HashSet();
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certStores = new LinkedList();
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pathCheckers = new LinkedList();
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revocationEnabled = true;
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exPolicyRequired = false;
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policyMappingInhibited = false;
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anyPolicyInhibited = false;
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policyQualRejected = true;
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}
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/**
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* Copying constructor for cloning.
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*
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* @param that The instance being cloned.
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*/
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private PKIXParameters(PKIXParameters that)
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{
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this();
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this.trustAnchors.addAll(that.trustAnchors);
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this.initPolicies.addAll(that.initPolicies);
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this.certStores.addAll(that.certStores);
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this.pathCheckers.addAll(that.pathCheckers);
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this.revocationEnabled = that.revocationEnabled;
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this.exPolicyRequired = that.exPolicyRequired;
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this.policyMappingInhibited = that.policyMappingInhibited;
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this.anyPolicyInhibited = that.anyPolicyInhibited;
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this.policyQualRejected = that.policyQualRejected;
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this.date = that.date;
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this.sigProvider = that.sigProvider;
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this.targetConstraints = that.targetConstraints != null
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? (CertSelector) that.targetConstraints.clone() : null;
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}
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// Instance methods.
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// ------------------------------------------------------------------------
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/**
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* Returns an immutable set of trust anchors. The set returned will
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* never be null and will never be empty.
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*
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* @return A (never null, never empty) immutable set of trust anchors.
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*/
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public Set getTrustAnchors()
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{
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return Collections.unmodifiableSet(trustAnchors);
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}
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/**
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* Sets the trust anchors of this class, replacing the current trust
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* anchors with those in the given set. The supplied set is copied to
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* prevent modification.
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*
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* @param trustAnchors The new set of trust anchors.
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* @throws InvalidAlgorithmParameterException If there are no
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* certificates in the set.
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* @throws NullPointerException If <i>trustAnchors</i> is null.
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* @throws ClassCastException If every element in <i>trustAnchors</i>
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* is not a {@link TrustAnchor}.
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*/
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public void setTrustAnchors(Set trustAnchors)
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throws InvalidAlgorithmParameterException
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{
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if (trustAnchors.isEmpty())
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throw new InvalidAlgorithmParameterException("no trust anchors");
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this.trustAnchors.clear();
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for (Iterator i = trustAnchors.iterator(); i.hasNext(); )
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{
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this.trustAnchors.add((TrustAnchor) i.next());
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}
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}
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/**
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* Returns the set of initial policy identifiers (as OID strings). If
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* any policy is accepted, this method returns the empty set.
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*
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* @return An immutable set of initial policy OID strings, or the
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* empty set if any policy is acceptable.
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*/
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public Set getInitialPolicies()
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{
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return Collections.unmodifiableSet(initPolicies);
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}
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/**
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* Sets the initial policy identifiers (as OID strings). If the
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* argument is null or the empty set, then any policy identifier will
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* be accepted.
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*
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* @param initPolicies The new set of policy strings, or null.
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* @throws ClassCastException If any element in <i>initPolicies</i> is
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* not a string.
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*/
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public void setInitialPolicies(Set initPolicies)
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{
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this.initPolicies.clear();
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if (initPolicies == null)
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return;
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for (Iterator i = initPolicies.iterator(); i.hasNext(); )
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{
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this.initPolicies.add((String) i.next());
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}
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}
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/**
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* Add a {@link CertStore} to the list of cert stores.
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*
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* @param store The CertStore to add.
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*/
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public void addCertStore(CertStore store)
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{
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if (store != null)
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certStores.add(store);
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}
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/**
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* Returns an immutable list of cert stores. This method never returns
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* null.
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*
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* @return The list of cert stores.
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*/
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public List getCertStores()
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{
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return Collections.unmodifiableList(certStores);
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}
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/**
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* Set the cert stores. If the argument is null the list of cert
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* stores will be empty.
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*
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* @param certStores The cert stores.
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*/
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public void setCertStores(List certStores)
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{
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this.certStores.clear();
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if (certStores == null)
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return;
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for (Iterator i = certStores.iterator(); i.hasNext(); )
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{
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this.certStores.add((CertStore) i.next());
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}
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}
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/**
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* Returns the value of the <i>revocation enabled</i> flag. The default
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* value for this flag is <code>true</code>.
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*
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* @return The <i>revocation enabled</i> flag.
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*/
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public boolean isRevocationEnabled()
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{
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return revocationEnabled;
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}
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/**
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* Sets the value of the <i>revocation enabled</i> flag.
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*
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* @param value The new value.
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*/
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public void setRevocationEnabled(boolean value)
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{
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revocationEnabled = value;
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}
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/**
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* Returns the value of the <i>explicit policy required</i> flag. The
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* default value of this flag is <code>false</code>.
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*
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* @return The <i>explicit policy required</i> flag.
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*/
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public boolean isExplicitPolicyRequired()
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{
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return exPolicyRequired;
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}
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/**
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* Sets the value of the <i>explicit policy required</i> flag.
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*
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* @param value The new value.
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*/
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public void setExplicitPolicyRequired(boolean value)
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{
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exPolicyRequired = value;
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}
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/**
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* Returns the value of the <i>policy mapping inhibited</i> flag. The
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* default value of this flag is <code>false</code>.
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*
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* @return The <i>policy mapping inhibited</i> flag.
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*/
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public boolean isPolicyMappingInhibited()
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{
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return policyMappingInhibited;
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}
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/**
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* Sets the value of the <i>policy mapping inhibited</i> flag.
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*
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* @param value The new value.
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*/
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public void setPolicyMappingInhibited(boolean value)
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{
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policyMappingInhibited = value;
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}
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/**
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* Returns the value of the <i>any policy inhibited</i> flag. The
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* default value of this flag is <code>false</code>.
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*
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* @return The <i>any policy inhibited</i> flag.
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|
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*/
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public boolean isAnyPolicyInhibited()
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{
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return anyPolicyInhibited;
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}
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376 |
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|
/**
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377 |
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* Sets the value of the <i>any policy inhibited</i> flag.
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378 |
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*
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379 |
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* @param value The new value.
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|
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*/
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381 |
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public void setAnyPolicyInhibited(boolean value)
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382 |
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{
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|
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anyPolicyInhibited = value;
|
384 |
|
|
}
|
385 |
|
|
|
386 |
|
|
/**
|
387 |
|
|
* Returns the value of the <i>policy qualifiers enabled</i> flag. The
|
388 |
|
|
* default value of this flag is <code>true</code>.
|
389 |
|
|
*
|
390 |
|
|
* @return The <i>policy qualifiers enabled</i> flag.
|
391 |
|
|
*/
|
392 |
|
|
public boolean getPolicyQualifiersRejected()
|
393 |
|
|
{
|
394 |
|
|
return policyQualRejected;
|
395 |
|
|
}
|
396 |
|
|
|
397 |
|
|
/**
|
398 |
|
|
* Sets the value of the <i>policy qualifiers enabled</i> flag.
|
399 |
|
|
*
|
400 |
|
|
* @param value The new value.
|
401 |
|
|
*/
|
402 |
|
|
public void setPolicyQualifiersRejected(boolean value)
|
403 |
|
|
{
|
404 |
|
|
policyQualRejected = value;
|
405 |
|
|
}
|
406 |
|
|
|
407 |
|
|
/**
|
408 |
|
|
* Returns the date for which the certificate path should be
|
409 |
|
|
* validated, or null if the current time should be used. The date
|
410 |
|
|
* object is copied to prevent subsequent modification.
|
411 |
|
|
*
|
412 |
|
|
* @return The date, or null if not set.
|
413 |
|
|
*/
|
414 |
|
|
public Date getDate()
|
415 |
|
|
{
|
416 |
|
|
return date != null ? (Date) date.clone() : null;
|
417 |
|
|
}
|
418 |
|
|
|
419 |
|
|
/**
|
420 |
|
|
* Sets the date for which the certificate path should be validated,
|
421 |
|
|
* or null if the current time should be used.
|
422 |
|
|
*
|
423 |
|
|
* @param date The new date, or null.
|
424 |
|
|
*/
|
425 |
|
|
public void setDate(Date date)
|
426 |
|
|
{
|
427 |
|
|
if (date != null)
|
428 |
|
|
this.date = (Date) date.clone();
|
429 |
|
|
else
|
430 |
|
|
this.date = null;
|
431 |
|
|
}
|
432 |
|
|
|
433 |
|
|
/**
|
434 |
|
|
* Add a certificate path checker.
|
435 |
|
|
*
|
436 |
|
|
* @param checker The certificate path checker to add.
|
437 |
|
|
*/
|
438 |
|
|
public void addCertPathChecker(PKIXCertPathChecker checker)
|
439 |
|
|
{
|
440 |
|
|
if (checker != null)
|
441 |
|
|
pathCheckers.add(checker);
|
442 |
|
|
}
|
443 |
|
|
|
444 |
|
|
/**
|
445 |
|
|
* Returns an immutable list of all certificate path checkers.
|
446 |
|
|
*
|
447 |
|
|
* @return An immutable list of all certificate path checkers.
|
448 |
|
|
*/
|
449 |
|
|
public List getCertPathCheckers()
|
450 |
|
|
{
|
451 |
|
|
return Collections.unmodifiableList(pathCheckers);
|
452 |
|
|
}
|
453 |
|
|
|
454 |
|
|
/**
|
455 |
|
|
* Sets the certificate path checkers. If the argument is null, the
|
456 |
|
|
* list of checkers will merely be cleared.
|
457 |
|
|
*
|
458 |
|
|
* @param pathCheckers The new list of certificate path checkers.
|
459 |
|
|
* @throws ClassCastException If any element of <i>pathCheckers</i> is
|
460 |
|
|
* not a {@link PKIXCertPathChecker}.
|
461 |
|
|
*/
|
462 |
|
|
public void setCertPathCheckers(List pathCheckers)
|
463 |
|
|
{
|
464 |
|
|
this.pathCheckers.clear();
|
465 |
|
|
if (pathCheckers == null)
|
466 |
|
|
return;
|
467 |
|
|
for (Iterator i = pathCheckers.iterator(); i.hasNext(); )
|
468 |
|
|
{
|
469 |
|
|
this.pathCheckers.add((PKIXCertPathChecker) i.next());
|
470 |
|
|
}
|
471 |
|
|
}
|
472 |
|
|
|
473 |
|
|
/**
|
474 |
|
|
* Returns the signature algorithm provider, or null if not set.
|
475 |
|
|
*
|
476 |
|
|
* @return The signature algorithm provider, or null if not set.
|
477 |
|
|
*/
|
478 |
|
|
public String getSigProvider()
|
479 |
|
|
{
|
480 |
|
|
return sigProvider;
|
481 |
|
|
}
|
482 |
|
|
|
483 |
|
|
/**
|
484 |
|
|
* Sets the signature algorithm provider, or null if there is no
|
485 |
|
|
* preferred provider.
|
486 |
|
|
*
|
487 |
|
|
* @param sigProvider The signature provider name.
|
488 |
|
|
*/
|
489 |
|
|
public void setSigProvider(String sigProvider)
|
490 |
|
|
{
|
491 |
|
|
this.sigProvider = sigProvider;
|
492 |
|
|
}
|
493 |
|
|
|
494 |
|
|
/**
|
495 |
|
|
* Returns the constraints placed on the target certificate, or null
|
496 |
|
|
* if there are none. The target constraints are copied to prevent
|
497 |
|
|
* subsequent modification.
|
498 |
|
|
*
|
499 |
|
|
* @return The target constraints, or null.
|
500 |
|
|
*/
|
501 |
|
|
public CertSelector getTargetCertConstraints()
|
502 |
|
|
{
|
503 |
|
|
return targetConstraints != null
|
504 |
|
|
? (CertSelector) targetConstraints.clone() : null;
|
505 |
|
|
}
|
506 |
|
|
|
507 |
|
|
/**
|
508 |
|
|
* Sets the constraints placed on the target certificate.
|
509 |
|
|
*
|
510 |
|
|
* @param targetConstraints The target constraints.
|
511 |
|
|
*/
|
512 |
|
|
public void setTargetCertConstraints(CertSelector targetConstraints)
|
513 |
|
|
{
|
514 |
|
|
this.targetConstraints = targetConstraints != null
|
515 |
|
|
? (CertSelector) targetConstraints.clone() : null;
|
516 |
|
|
}
|
517 |
|
|
|
518 |
|
|
/**
|
519 |
|
|
* Returns a copy of these parameters.
|
520 |
|
|
*
|
521 |
|
|
* @return The copy.
|
522 |
|
|
*/
|
523 |
|
|
public Object clone()
|
524 |
|
|
{
|
525 |
|
|
return new PKIXParameters(this);
|
526 |
|
|
}
|
527 |
|
|
|
528 |
|
|
/**
|
529 |
|
|
* Returns a printable representation of these parameters.
|
530 |
|
|
*
|
531 |
|
|
* @return A printable representation of these parameters.
|
532 |
|
|
*/
|
533 |
|
|
public String toString() {
|
534 |
|
|
return "[ Trust Anchors: " + trustAnchors + "; Initial Policy OIDs="
|
535 |
|
|
+ (initPolicies != null ? initPolicies.toString() : "any")
|
536 |
|
|
+ "; Validity Date=" + date + "; Signature Provider="
|
537 |
|
|
+ sigProvider + "; Default Revocation Enabled=" + revocationEnabled
|
538 |
|
|
+ "; Explicit Policy Required=" + exPolicyRequired
|
539 |
|
|
+ "; Policy Mapping Inhibited=" + policyMappingInhibited
|
540 |
|
|
+ "; Any Policy Inhibited=" + anyPolicyInhibited
|
541 |
|
|
+ "; Policy Qualifiers Rejected=" + policyQualRejected
|
542 |
|
|
+ "; Target Cert Contstraints=" + targetConstraints
|
543 |
|
|
+ "; Certification Path Checkers=" + pathCheckers
|
544 |
|
|
+ "; CertStores=" + certStores + " ]";
|
545 |
|
|
}
|
546 |
|
|
}
|