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0N/A * This code is free software; you can redistribute it and/or modify it
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2362N/A * published by the Free Software Foundation. Oracle designates this
0N/A * particular file as subject to the "Classpath" exception as provided
2362N/A * by Oracle in the LICENSE file that accompanied this code.
0N/A *
0N/A * This code is distributed in the hope that it will be useful, but WITHOUT
0N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
0N/A * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
0N/A * version 2 for more details (a copy is included in the LICENSE file that
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0N/A *
0N/A * You should have received a copy of the GNU General Public License version
0N/A * 2 along with this work; if not, write to the Free Software Foundation,
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0N/A *
2362N/A * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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0N/A */
0N/A
0N/A/*
0N/A *
0N/A * (C) Copyright IBM Corp. 1999 All Rights Reserved.
0N/A * Copyright 1997 The Open Group Research Institute. All rights reserved.
0N/A */
0N/A
0N/Apackage sun.security.krb5.internal;
0N/A
0N/Aimport sun.security.krb5.EncryptedData;
0N/Aimport sun.security.krb5.Asn1Exception;
0N/Aimport sun.security.util.*;
0N/Aimport java.io.IOException;
0N/Aimport java.math.BigInteger;
0N/A
0N/A/**
0N/A * Implements the ASN.1 KRB-PRIV type.
0N/A *
0N/A * <xmp>
0N/A * KRB-PRIV ::= [APPLICATION 21] SEQUENCE {
0N/A * pvno [0] INTEGER (5),
0N/A * msg-type [1] INTEGER (21),
0N/A * -- NOTE: there is no [2] tag
0N/A * enc-part [3] EncryptedData -- EncKrbPrivPart
0N/A * }
0N/A * </xmp>
0N/A *
0N/A * <p>
0N/A * This definition reflects the Network Working Group RFC 4120
0N/A * specification available at
0N/A * <a href="http://www.ietf.org/rfc/rfc4120.txt">
0N/A * http://www.ietf.org/rfc/rfc4120.txt</a>.
0N/A */
0N/A
0N/Apublic class KRBPriv {
0N/A public int pvno;
0N/A public int msgType;
0N/A public EncryptedData encPart;
0N/A
0N/A public KRBPriv(EncryptedData new_encPart) {
0N/A pvno = Krb5.PVNO;
0N/A msgType = Krb5.KRB_PRIV;
0N/A encPart = new_encPart;
0N/A }
0N/A
0N/A public KRBPriv(byte[] data) throws Asn1Exception,
0N/A KrbApErrException, IOException {
0N/A init(new DerValue(data));
0N/A }
0N/A
0N/A public KRBPriv(DerValue encoding) throws Asn1Exception,
0N/A KrbApErrException, IOException {
0N/A init(encoding);
0N/A }
0N/A
0N/A
0N/A /**
0N/A * Initializes an KRBPriv object.
0N/A * @param encoding a single DER-encoded value.
0N/A * @exception Asn1Exception if an error occurs while decoding an ASN1 encoded data.
0N/A * @exception IOException if an I/O error occurs while reading encoded data.
0N/A * @exception KrbApErrException if the value read from the DER-encoded data
0N/A * stream does not match the pre-defined value.
0N/A */
0N/A private void init(DerValue encoding) throws Asn1Exception,
0N/A KrbApErrException, IOException {
0N/A DerValue der, subDer;
0N/A if (((encoding.getTag() & (byte)0x1F) != (byte)0x15)
0N/A || (encoding.isApplication() != true)
0N/A || (encoding.isConstructed() != true))
0N/A throw new Asn1Exception(Krb5.ASN1_BAD_ID);
0N/A der = encoding.getData().getDerValue();
0N/A if (der.getTag() != DerValue.tag_Sequence)
0N/A throw new Asn1Exception(Krb5.ASN1_BAD_ID);
0N/A subDer = der.getData().getDerValue();
0N/A if ((subDer.getTag() & 0x1F) == 0x00) {
0N/A pvno = subDer.getData().getBigInteger().intValue();
0N/A if (pvno != Krb5.PVNO) {
0N/A throw new KrbApErrException(Krb5.KRB_AP_ERR_BADVERSION);
0N/A }
0N/A }
0N/A else
0N/A throw new Asn1Exception(Krb5.ASN1_BAD_ID);
0N/A subDer = der.getData().getDerValue();
0N/A if ((subDer.getTag() & 0x1F) == 0x01) {
0N/A msgType = subDer.getData().getBigInteger().intValue();
0N/A if (msgType != Krb5.KRB_PRIV)
0N/A throw new KrbApErrException(Krb5.KRB_AP_ERR_MSG_TYPE);
0N/A }
0N/A else
0N/A throw new Asn1Exception(Krb5.ASN1_BAD_ID);
0N/A encPart = EncryptedData.parse(der.getData(), (byte)0x03, false);
0N/A if (der.getData().available() >0)
0N/A throw new Asn1Exception(Krb5.ASN1_BAD_ID);
0N/A }
0N/A
0N/A /**
0N/A * Encodes an KRBPriv object.
0N/A * @return byte array of encoded EncAPRepPart object.
0N/A * @exception Asn1Exception if an error occurs while decoding an ASN1 encoded data.
0N/A * @exception IOException if an I/O error occurs while reading encoded data.
0N/A */
0N/A public byte[] asn1Encode() throws Asn1Exception, IOException {
0N/A DerOutputStream temp, bytes;
0N/A temp = new DerOutputStream();
0N/A temp.putInteger(BigInteger.valueOf(pvno));
0N/A bytes = new DerOutputStream();
0N/A bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte)0x00), temp);
0N/A temp = new DerOutputStream();
0N/A temp.putInteger(BigInteger.valueOf(msgType));
0N/A bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte)0x01), temp);
0N/A bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte)0x03), encPart.asn1Encode());
0N/A temp = new DerOutputStream();
0N/A temp.write(DerValue.tag_Sequence, bytes);
0N/A bytes = new DerOutputStream();
0N/A bytes.write(DerValue.createTag(DerValue.TAG_APPLICATION, true, (byte)0x15), temp);
0N/A return bytes.toByteArray();
0N/A }
0N/A
0N/A}