--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/share/classes/sun/security/krb5/internal/APRep.java	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,134 @@
+/*
+ * 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.krb5.EncryptedData;
+import sun.security.krb5.Asn1Exception;
+import sun.security.util.*;
+import java.io.IOException;
+import java.math.BigInteger;
+
+/**
+ * Implements the ASN.1 AP-REP type.
+ *
+ * <xmp>
+ * AP-REP          ::= [APPLICATION 15] SEQUENCE {
+ *         pvno            [0] INTEGER (5),
+ *         msg-type        [1] INTEGER (15),
+ *         enc-part        [2] EncryptedData -- EncAPRepPart
+ * }
+ * </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 APRep {
+        public int pvno;
+        public int msgType;
+        public EncryptedData encPart;
+
+        public APRep(EncryptedData new_encPart) {
+                pvno = Krb5.PVNO;
+                msgType = Krb5.KRB_AP_REP;
+                encPart = new_encPart;
+        }
+
+        public APRep(byte[] data) throws Asn1Exception,
+                KrbApErrException, IOException {
+                init(new DerValue(data));
+        }
+
+    public APRep(DerValue encoding) throws Asn1Exception,
+                KrbApErrException, IOException {
+                init(encoding);
+        }
+
+        /**
+         * Initializes an APRep object.
+         * @param encoding a single DER-encoded value.
+         * @exception Asn1Exception if an error occurs while decoding an ASN1 encoded data.
+         * @exception IOException if an I/O error occurs while reading encoded data.
+         * @exception KrbApErrException if the value read from the DER-encoded data
+         *  stream does not match the pre-defined value.
+         */
+    private void init(DerValue encoding) throws Asn1Exception,
+                KrbApErrException, IOException {
+
+                if (((encoding.getTag() & (byte)(0x1F)) != Krb5.KRB_AP_REP)
+             || (encoding.isApplication() != true)
+                        || (encoding.isConstructed() != true))
+                        throw new Asn1Exception(Krb5.ASN1_BAD_ID);
+                DerValue der = encoding.getData().getDerValue();
+        if (der.getTag() != DerValue.tag_Sequence)
+            throw new Asn1Exception(Krb5.ASN1_BAD_ID);
+                DerValue subDer = der.getData().getDerValue();
+                if ((subDer.getTag() & (byte)0x1F) != (byte)0x00)
+            throw new Asn1Exception(Krb5.ASN1_BAD_ID);
+        pvno = subDer.getData().getBigInteger().intValue();
+        if (pvno != Krb5.PVNO)
+                                throw new KrbApErrException(Krb5.KRB_AP_ERR_BADVERSION);
+                subDer = der.getData().getDerValue();
+                if ((subDer.getTag() & (byte)0x1F) != (byte)0x01)
+            throw new Asn1Exception(Krb5.ASN1_BAD_ID);
+                msgType = subDer.getData().getBigInteger().intValue();
+                if (msgType != Krb5.KRB_AP_REP)
+                                throw new KrbApErrException(Krb5.KRB_AP_ERR_MSG_TYPE);
+                encPart = EncryptedData.parse(der.getData(), (byte)0x02, false);
+                if (der.getData().available() > 0)
+            throw new Asn1Exception(Krb5.ASN1_BAD_ID);
+        }
+
+        /**
+         * Encodes an APRep object.
+         * @return byte array of encoded APRep 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();
+            DerOutputStream temp = new DerOutputStream();
+                temp.putInteger(BigInteger.valueOf(pvno));
+                bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte)0x00), temp);
+                temp = new DerOutputStream();
+                temp.putInteger(BigInteger.valueOf(msgType));
+                bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte)0x01), temp);
+                bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte)0x02), encPart.asn1Encode());
+                temp = new DerOutputStream();
+                temp.write(DerValue.tag_Sequence, bytes);
+                DerOutputStream aprep = new DerOutputStream();
+                aprep.write(DerValue.createTag(DerValue.TAG_APPLICATION, true, (byte)0x0F), temp);
+                return aprep.toByteArray();
+        }
+
+}