author | igerasim |
Tue, 02 Oct 2018 10:19:07 -0700 | |
changeset 51986 | c1db377f6300 |
parent 47216 | 71c04702a3d5 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2004, 2014, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. Oracle designates this |
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* particular file as subject to the "Classpath" exception as provided |
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* by Oracle in the LICENSE file that accompanied this code. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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*/ |
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package sun.security.x509; |
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import java.io.IOException; |
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import java.io.OutputStream; |
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import java.util.*; |
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import sun.security.util.DerOutputStream; |
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import sun.security.util.DerValue; |
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/** |
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* The Authority Information Access Extension (OID = 1.3.6.1.5.5.7.1.1). |
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* <p> |
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* The AIA extension identifies how to access CA information and services |
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* for the certificate in which it appears. It enables CAs to issue their |
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* certificates pre-configured with the URLs appropriate for contacting |
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* services relevant to those certificates. For example, a CA may issue a |
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* certificate that identifies the specific OCSP Responder to use when |
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* performing on-line validation of that certificate. |
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* <p> |
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* This extension is defined in <a href="http://tools.ietf.org/html/rfc5280"> |
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* Internet X.509 PKI Certificate and Certificate Revocation List |
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* (CRL) Profile</a>. The profile permits |
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* the extension to be included in end-entity or CA certificates, |
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* and it must be marked as non-critical. Its ASN.1 definition is as follows: |
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* <pre> |
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* id-pe-authorityInfoAccess OBJECT IDENTIFIER ::= { id-pe 1 } |
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* |
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* AuthorityInfoAccessSyntax ::= |
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* SEQUENCE SIZE (1..MAX) OF AccessDescription |
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* |
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* AccessDescription ::= SEQUENCE { |
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* accessMethod OBJECT IDENTIFIER, |
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* accessLocation GeneralName } |
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* </pre> |
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* |
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* @see Extension |
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* @see CertAttrSet |
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*/ |
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public class AuthorityInfoAccessExtension extends Extension |
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implements CertAttrSet<String> { |
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/** |
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* Identifier for this attribute, to be used with the |
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* get, set, delete methods of Certificate, x509 type. |
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*/ |
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public static final String IDENT = |
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"x509.info.extensions.AuthorityInfoAccess"; |
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/** |
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* Attribute name. |
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*/ |
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public static final String NAME = "AuthorityInfoAccess"; |
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public static final String DESCRIPTIONS = "descriptions"; |
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/** |
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* The List of AccessDescription objects. |
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*/ |
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private List<AccessDescription> accessDescriptions; |
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/** |
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* Create an AuthorityInfoAccessExtension from a List of |
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* AccessDescription; the criticality is set to false. |
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* |
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* @param accessDescriptions the List of AccessDescription |
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* @throws IOException on error |
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*/ |
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public AuthorityInfoAccessExtension( |
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List<AccessDescription> accessDescriptions) throws IOException { |
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this.extensionId = PKIXExtensions.AuthInfoAccess_Id; |
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this.critical = false; |
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this.accessDescriptions = accessDescriptions; |
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encodeThis(); |
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} |
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/** |
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* Create the extension from the passed DER encoded value of the same. |
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* |
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* @param critical true if the extension is to be treated as critical. |
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* @param value Array of DER encoded bytes of the actual value. |
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* @exception IOException on error. |
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*/ |
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public AuthorityInfoAccessExtension(Boolean critical, Object value) |
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throws IOException { |
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this.extensionId = PKIXExtensions.AuthInfoAccess_Id; |
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this.critical = critical.booleanValue(); |
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if (!(value instanceof byte[])) { |
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throw new IOException("Illegal argument type"); |
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} |
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extensionValue = (byte[])value; |
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DerValue val = new DerValue(extensionValue); |
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if (val.tag != DerValue.tag_Sequence) { |
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throw new IOException("Invalid encoding for " + |
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"AuthorityInfoAccessExtension."); |
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} |
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accessDescriptions = new ArrayList<AccessDescription>(); |
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while (val.data.available() != 0) { |
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DerValue seq = val.data.getDerValue(); |
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AccessDescription accessDescription = new AccessDescription(seq); |
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accessDescriptions.add(accessDescription); |
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} |
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} |
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/** |
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* Return the list of AccessDescription objects. |
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*/ |
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public List<AccessDescription> getAccessDescriptions() { |
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return accessDescriptions; |
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} |
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/** |
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* Return the name of this attribute. |
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*/ |
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public String getName() { |
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return NAME; |
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} |
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/** |
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* Write the extension to the DerOutputStream. |
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* |
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* @param out the DerOutputStream to write the extension to. |
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* @exception IOException on encoding errors. |
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*/ |
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public void encode(OutputStream out) throws IOException { |
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DerOutputStream tmp = new DerOutputStream(); |
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if (this.extensionValue == null) { |
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this.extensionId = PKIXExtensions.AuthInfoAccess_Id; |
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this.critical = false; |
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encodeThis(); |
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} |
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super.encode(tmp); |
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out.write(tmp.toByteArray()); |
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} |
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/** |
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* Set the attribute value. |
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*/ |
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@SuppressWarnings("unchecked") // Checked with an instanceof check |
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public void set(String name, Object obj) throws IOException { |
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if (name.equalsIgnoreCase(DESCRIPTIONS)) { |
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if (!(obj instanceof List)) { |
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throw new IOException("Attribute value should be of type List."); |
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} |
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accessDescriptions = (List<AccessDescription>)obj; |
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} else { |
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throw new IOException("Attribute name [" + name + |
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"] not recognized by " + |
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"CertAttrSet:AuthorityInfoAccessExtension."); |
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} |
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encodeThis(); |
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} |
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/** |
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* Get the attribute value. |
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*/ |
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public List<AccessDescription> get(String name) throws IOException { |
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if (name.equalsIgnoreCase(DESCRIPTIONS)) { |
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return accessDescriptions; |
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} else { |
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throw new IOException("Attribute name [" + name + |
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"] not recognized by " + |
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"CertAttrSet:AuthorityInfoAccessExtension."); |
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} |
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} |
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/** |
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* Delete the attribute value. |
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*/ |
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public void delete(String name) throws IOException { |
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if (name.equalsIgnoreCase(DESCRIPTIONS)) { |
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accessDescriptions = new ArrayList<AccessDescription>(); |
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} else { |
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throw new IOException("Attribute name [" + name + |
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"] not recognized by " + |
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"CertAttrSet:AuthorityInfoAccessExtension."); |
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} |
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encodeThis(); |
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} |
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/** |
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* Return an enumeration of names of attributes existing within this |
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* attribute. |
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*/ |
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public Enumeration<String> getElements() { |
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AttributeNameEnumeration elements = new AttributeNameEnumeration(); |
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elements.addElement(DESCRIPTIONS); |
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return elements.elements(); |
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} |
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// Encode this extension value |
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private void encodeThis() throws IOException { |
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if (accessDescriptions.isEmpty()) { |
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this.extensionValue = null; |
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} else { |
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DerOutputStream ads = new DerOutputStream(); |
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for (AccessDescription accessDescription : accessDescriptions) { |
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accessDescription.encode(ads); |
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} |
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DerOutputStream seq = new DerOutputStream(); |
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seq.write(DerValue.tag_Sequence, ads); |
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this.extensionValue = seq.toByteArray(); |
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} |
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} |
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/** |
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* Return the extension as user readable string. |
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*/ |
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public String toString() { |
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return super.toString() + "AuthorityInfoAccess [\n " |
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+ accessDescriptions + "\n]\n"; |
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} |
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} |