0N/A/*
0N/A * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
0N/A *
0N/A * This code is free software; you can redistribute it and/or modify it
0N/A * under the terms of the GNU General Public License version 2 only, as
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
0N/A * accompanied this code).
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,
0N/A * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
0N/A *
2362N/A * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
2362N/A * or visit www.oracle.com if you need additional information or have any
2362N/A * questions.
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.util.*;
0N/Aimport sun.security.krb5.Asn1Exception;
0N/Aimport java.io.IOException;
0N/Aimport java.math.BigInteger;
0N/A
0N/A/**
0N/A * Implements the ASN.1 EncKrbPrivPart type.
0N/A *
0N/A * <xmp>
0N/A * METHOD-DATA ::= SEQUENCE {
0N/A * method-type[0] INTEGER,
0N/A * method-data[1] OCTET STRING OPTIONAL
0N/A * }
0N/A * </xmp>
0N/A */
0N/Apublic class MethodData {
0N/A private int methodType;
0N/A private byte[] methodData = null; //optional
0N/A
0N/A public MethodData(int type, byte[] data) {
0N/A methodType = type;
0N/A if (data != null) {
0N/A methodData = data.clone();
0N/A }
0N/A }
0N/A
0N/A /**
0N/A * Constructs a MethodData object.
0N/A * @param encoding a Der-encoded data.
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 MethodData(DerValue encoding) throws Asn1Exception, IOException {
0N/A DerValue der;
0N/A if (encoding.getTag() != DerValue.tag_Sequence) {
0N/A throw new Asn1Exception(Krb5.ASN1_BAD_ID);
0N/A }
0N/A der = encoding.getData().getDerValue();
0N/A if ((der.getTag() & 0x1F) == 0x00) {
0N/A BigInteger bint = der.getData().getBigInteger();
0N/A methodType = bint.intValue();
0N/A }
0N/A else
0N/A throw new Asn1Exception(Krb5.ASN1_BAD_ID);
0N/A if (encoding.getData().available() > 0) {
0N/A der = encoding.getData().getDerValue();
0N/A if ((der.getTag() & 0x1F) == 0x01) {
0N/A methodData = der.getData().getOctetString();
0N/A }
0N/A else throw new Asn1Exception(Krb5.ASN1_BAD_ID);
0N/A }
0N/A if (encoding.getData().available() > 0)
0N/A throw new Asn1Exception(Krb5.ASN1_BAD_ID);
0N/A }
0N/A
0N/A /**
0N/A * Encodes an MethodData object.
0N/A * @return the byte array of encoded MethodData 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
0N/A public byte[] asn1Encode() throws Asn1Exception, IOException {
0N/A DerOutputStream bytes = new DerOutputStream();
0N/A DerOutputStream temp = new DerOutputStream();
0N/A temp.putInteger(BigInteger.valueOf(methodType));
0N/A bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte)0x00), temp);
0N/A if (methodData != null) {
0N/A temp = new DerOutputStream();
0N/A temp.putOctetString(methodData);
0N/A bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte)0x01), temp);
0N/A }
0N/A
0N/A temp = new DerOutputStream();
0N/A temp.write(DerValue.tag_Sequence, bytes);
0N/A return temp.toByteArray();
0N/A }
0N/A
0N/A}