author | erikj |
Tue, 12 Sep 2017 19:03:39 +0200 | |
changeset 47216 | 71c04702a3d5 |
parent 32003 | jdk/src/java.security.jgss/share/classes/sun/security/krb5/internal/EncTicketPart.java@acb12269398a |
permissions | -rw-r--r-- |
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/* |
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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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/* |
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* |
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* (C) Copyright IBM Corp. 1999 All Rights Reserved. |
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* Copyright 1997 The Open Group Research Institute. All rights reserved. |
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*/ |
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package sun.security.krb5.internal; |
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import sun.security.krb5.*; |
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import sun.security.util.*; |
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import java.util.Vector; |
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import java.io.IOException; |
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import java.io.*; |
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/** |
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* Implements the ASN.1 EncTicketPart type. |
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* |
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* <pre>{@code |
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* EncTicketPart ::= [APPLICATION 3] SEQUENCE { |
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* flags [0] TicketFlags, |
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* key [1] EncryptionKey, |
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* crealm [2] Realm, |
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* cname [3] PrincipalName, |
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* transited [4] TransitedEncoding, |
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* authtime [5] KerberosTime, |
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* starttime [6] KerberosTime OPTIONAL, |
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* endtime [7] KerberosTime, |
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* renew-till [8] KerberosTime OPTIONAL, |
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* caddr [9] HostAddresses OPTIONAL, |
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* authorization-data [10] AuthorizationData OPTIONAL |
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* } |
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* }</pre> |
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* |
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* <p> |
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* This definition reflects the Network Working Group RFC 4120 |
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* specification available at |
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* <a href="http://www.ietf.org/rfc/rfc4120.txt"> |
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* http://www.ietf.org/rfc/rfc4120.txt</a>. |
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*/ |
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public class EncTicketPart { |
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public TicketFlags flags; |
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public EncryptionKey key; |
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public PrincipalName cname; |
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public TransitedEncoding transited; |
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public KerberosTime authtime; |
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public KerberosTime starttime; //optional |
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public KerberosTime endtime; |
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public KerberosTime renewTill; //optional |
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public HostAddresses caddr; //optional |
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public AuthorizationData authorizationData; //optional |
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public EncTicketPart( |
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TicketFlags new_flags, |
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EncryptionKey new_key, |
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PrincipalName new_cname, |
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TransitedEncoding new_transited, |
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KerberosTime new_authtime, |
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KerberosTime new_starttime, |
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KerberosTime new_endtime, |
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KerberosTime new_renewTill, |
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HostAddresses new_caddr, |
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AuthorizationData new_authorizationData) { |
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flags = new_flags; |
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key = new_key; |
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cname = new_cname; |
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transited = new_transited; |
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authtime = new_authtime; |
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starttime = new_starttime; |
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endtime = new_endtime; |
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renewTill = new_renewTill; |
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caddr = new_caddr; |
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authorizationData = new_authorizationData; |
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} |
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public EncTicketPart(byte[] data) |
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throws Asn1Exception, KrbException, IOException { |
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init(new DerValue(data)); |
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} |
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public EncTicketPart(DerValue encoding) |
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throws Asn1Exception, KrbException, IOException { |
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init(encoding); |
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} |
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/** |
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* Initializes an EncTicketPart object. |
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* @param encoding a single DER-encoded value. |
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* @exception Asn1Exception if an error occurs while decoding an ASN1 encoded data. |
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* @exception IOException if an I/O error occurs while reading encoded data. |
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* @exception RealmException if an error occurs while parsing a Realm object. |
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*/ |
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private static String getHexBytes(byte[] bytes, int len) |
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throws IOException { |
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StringBuilder sb = new StringBuilder(); |
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for (int i = 0; i < len; i++) { |
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int b1 = (bytes[i] >> 4) & 0x0f; |
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int b2 = bytes[i] & 0x0f; |
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sb.append(Integer.toHexString(b1)); |
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sb.append(Integer.toHexString(b2)); |
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sb.append(' '); |
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} |
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return sb.toString(); |
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} |
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private void init(DerValue encoding) |
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throws Asn1Exception, IOException, RealmException { |
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DerValue der, subDer; |
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renewTill = null; |
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caddr = null; |
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authorizationData = null; |
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if (((encoding.getTag() & (byte) 0x1F) != (byte) 0x03) |
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|| (encoding.isApplication() != true) |
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|| (encoding.isConstructed() != true)) { |
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throw new Asn1Exception(Krb5.ASN1_BAD_ID); |
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} |
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der = encoding.getData().getDerValue(); |
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if (der.getTag() != DerValue.tag_Sequence) { |
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throw new Asn1Exception(Krb5.ASN1_BAD_ID); |
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} |
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flags = TicketFlags.parse(der.getData(), (byte) 0x00, false); |
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key = EncryptionKey.parse(der.getData(), (byte) 0x01, false); |
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Realm crealm = Realm.parse(der.getData(), (byte) 0x02, false); |
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cname = PrincipalName.parse(der.getData(), (byte) 0x03, false, crealm); |
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transited = TransitedEncoding.parse(der.getData(), (byte) 0x04, false); |
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authtime = KerberosTime.parse(der.getData(), (byte) 0x05, false); |
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starttime = KerberosTime.parse(der.getData(), (byte) 0x06, true); |
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endtime = KerberosTime.parse(der.getData(), (byte) 0x07, false); |
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if (der.getData().available() > 0) { |
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renewTill = KerberosTime.parse(der.getData(), (byte) 0x08, true); |
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} |
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if (der.getData().available() > 0) { |
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caddr = HostAddresses.parse(der.getData(), (byte) 0x09, true); |
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} |
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if (der.getData().available() > 0) { |
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authorizationData = AuthorizationData.parse(der.getData(), (byte) 0x0A, true); |
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} |
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if (der.getData().available() > 0) { |
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throw new Asn1Exception(Krb5.ASN1_BAD_ID); |
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} |
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} |
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/** |
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* Encodes an EncTicketPart object. |
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* @return byte array of encoded EncTicketPart object. |
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* @exception Asn1Exception if an error occurs while decoding an ASN1 encoded data. |
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* @exception IOException if an I/O error occurs while reading encoded data. |
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*/ |
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public byte[] asn1Encode() throws Asn1Exception, IOException { |
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DerOutputStream bytes = new DerOutputStream(); |
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DerOutputStream temp = new DerOutputStream(); |
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bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT, |
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true, (byte) 0x00), flags.asn1Encode()); |
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bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT, |
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true, (byte) 0x01), key.asn1Encode()); |
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bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT, |
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true, (byte) 0x02), cname.getRealm().asn1Encode()); |
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bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT, |
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true, (byte) 0x03), cname.asn1Encode()); |
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bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT, |
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true, (byte) 0x04), transited.asn1Encode()); |
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bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT, |
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true, (byte) 0x05), authtime.asn1Encode()); |
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if (starttime != null) { |
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bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT, |
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true, (byte) 0x06), starttime.asn1Encode()); |
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} |
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bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT, |
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true, (byte) 0x07), endtime.asn1Encode()); |
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if (renewTill != null) { |
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bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT, |
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true, (byte) 0x08), renewTill.asn1Encode()); |
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} |
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if (caddr != null) { |
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bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT, |
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true, (byte) 0x09), caddr.asn1Encode()); |
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} |
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if (authorizationData != null) { |
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bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT, |
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true, (byte) 0x0A), authorizationData.asn1Encode()); |
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} |
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temp.write(DerValue.tag_Sequence, bytes); |
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bytes = new DerOutputStream(); |
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bytes.write(DerValue.createTag(DerValue.TAG_APPLICATION, |
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true, (byte) 0x03), temp); |
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return bytes.toByteArray(); |
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} |
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} |