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diff --git a/jdk/src/share/classes/sun/security/krb5/internal/LastReq.java b/jdk/src/share/classes/sun/security/krb5/internal/LastReq.java
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+/*
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation. Sun designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Sun in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ */
+
+/*
+ *
+ * (C) Copyright IBM Corp. 1999 All Rights Reserved.
+ * Copyright 1997 The Open Group Research Institute. All rights reserved.
+ */
+
+package sun.security.krb5.internal;
+
+import sun.security.util.*;
+import sun.security.krb5.Asn1Exception;
+import java.util.Vector;
+import java.io.IOException;
+
+/**
+ * Implements the ASN.1 LastReq type.
+ *
+ * <xmp>
+ * LastReq ::= SEQUENCE OF SEQUENCE {
+ * lr-type [0] Int32,
+ * lr-value [1] KerberosTime
+ * }
+ * </xmp>
+ *
+ * <p>
+ * This definition reflects the Network Working Group RFC 4120
+ * specification available at
+ * <a href="http://www.ietf.org/rfc/rfc4120.txt">
+ * http://www.ietf.org/rfc/rfc4120.txt</a>.
+ */
+
+public class LastReq {
+ private LastReqEntry[] entry = null;
+
+ public LastReq(LastReqEntry[] entries) throws IOException {
+ if (entries != null) {
+ entry = new LastReqEntry[entries.length];
+ for (int i = 0; i < entries.length; i++) {
+ if (entries[i] == null) {
+ throw new IOException("Cannot create a LastReqEntry");
+ } else {
+ entry[i] = (LastReqEntry)entries[i].clone();
+ }
+ }
+ }
+
+ }
+
+ /**
+ * Constructs a LastReq object.
+ * @param encoding a Der-encoded data.
+ * @exception Asn1Exception if an error occurs while decoding an ASN1 encoded data.
+ * @exception IOException if an I/O error occurs while reading encoded data.
+ */
+
+ public LastReq(DerValue encoding) throws Asn1Exception, IOException {
+ Vector<LastReqEntry> v= new Vector<LastReqEntry> ();
+ if (encoding.getTag() != DerValue.tag_Sequence) {
+ throw new Asn1Exception(Krb5.ASN1_BAD_ID);
+ }
+ while (encoding.getData().available() > 0) {
+ v.addElement(new LastReqEntry(encoding.getData().getDerValue()));
+ }
+ if (v.size() > 0) {
+ entry = new LastReqEntry[v.size()];
+ v.copyInto(entry);
+ }
+ }
+
+ /**
+ * Encodes an LastReq object.
+ * @return the byte array of encoded LastReq object.
+ * @exception Asn1Exception if an error occurs while decoding an ASN1 encoded data.
+ * @exception IOException if an I/O error occurs while reading encoded data.
+ */
+ public byte[] asn1Encode() throws Asn1Exception, IOException {
+ DerOutputStream bytes = new DerOutputStream();
+ if (entry != null && entry.length > 0) {
+ DerOutputStream temp = new DerOutputStream();
+ for (int i = 0; i < entry.length; i++)
+ temp.write(entry[i].asn1Encode());
+ bytes.write(DerValue.tag_Sequence, temp);
+ return bytes.toByteArray();
+ }
+ return null;
+ }
+
+ /**
+ * Parse (unmarshal) a last request from a DER input stream. This form
+ * parsing might be used when expanding a value which is part of
+ * a constructed sequence and uses explicitly tagged type.
+ *
+ * @exception Asn1Exception on error.
+ * @param data the Der input stream value, which contains one or more marshaled value.
+ * @param explicitTag tag number.
+ * @param optional indicates if this data field is optional
+ * @return an instance of LastReq.
+ *
+ */
+
+ public static LastReq parse(DerInputStream data, byte explicitTag, boolean optional) throws Asn1Exception, IOException {
+ if ((optional) && (((byte)data.peekByte() & (byte)0x1F) != explicitTag))
+ return null;
+ DerValue der = data.getDerValue();
+ if (explicitTag != (der.getTag() & (byte)0x1F)) {
+ throw new Asn1Exception(Krb5.ASN1_BAD_ID);
+ }
+ else {
+ DerValue subDer = der.getData().getDerValue();
+ return new LastReq(subDer);
+ }
+ }
+
+}