0N/A/*
2362N/A * Copyright (c) 2005, 2009, Oracle and/or its affiliates. All rights reserved.
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/Apackage sun.security.krb5.internal;
0N/A
0N/Aimport sun.security.util.*;
0N/Aimport sun.security.krb5.Asn1Exception;
0N/Aimport java.io.IOException;
1707N/Aimport sun.security.krb5.internal.util.KerberosString;
0N/A
0N/A/**
0N/A * Implements the ASN.1 ETYPE-INFO-ENTRY type.
0N/A *
0N/A * ETYPE-INFO-ENTRY ::= SEQUENCE {
0N/A * etype [0] Int32,
0N/A * salt [1] OCTET STRING OPTIONAL
0N/A * }
0N/A *
0N/A * @author Seema Malkani
0N/A */
0N/A
0N/Apublic class ETypeInfo {
0N/A
0N/A private int etype;
1707N/A private String salt = null;
0N/A
0N/A private static final byte TAG_TYPE = 0;
0N/A private static final byte TAG_VALUE = 1;
0N/A
0N/A private ETypeInfo() {
0N/A }
0N/A
1707N/A public ETypeInfo(int etype, String salt) {
0N/A this.etype = etype;
1707N/A this.salt = salt;
0N/A }
0N/A
0N/A public Object clone() {
1707N/A return new ETypeInfo(etype, salt);
0N/A }
0N/A
0N/A /**
0N/A * Constructs a ETypeInfo object.
0N/A * @param encoding a DER-encoded data.
0N/A * @exception Asn1Exception if an error occurs while decoding an
0N/A * ASN1 encoded data.
0N/A * @exception IOException if an I/O error occurs while reading encoded data.
0N/A */
0N/A public ETypeInfo(DerValue encoding) throws Asn1Exception, IOException {
0N/A DerValue der = null;
0N/A
0N/A if (encoding.getTag() != DerValue.tag_Sequence) {
0N/A throw new Asn1Exception(Krb5.ASN1_BAD_ID);
0N/A }
0N/A
0N/A // etype
0N/A der = encoding.getData().getDerValue();
0N/A if ((der.getTag() & 0x1F) == 0x00) {
0N/A this.etype = der.getData().getBigInteger().intValue();
0N/A }
0N/A else
0N/A throw new Asn1Exception(Krb5.ASN1_BAD_ID);
0N/A
0N/A // salt
0N/A if (encoding.getData().available() > 0) {
0N/A der = encoding.getData().getDerValue();
0N/A if ((der.getTag() & 0x1F) == 0x01) {
1707N/A byte[] saltBytes = der.getData().getOctetString();
1707N/A
1707N/A // Although salt is defined as an OCTET STRING, it's the
1707N/A // encoding from of a string. As RFC 4120 says:
1707N/A //
1707N/A // "The salt, ..., is also completely unspecified with respect
1707N/A // to character set and is probably locale-specific".
1707N/A //
1707N/A // It's known that this field is using the same encoding as
1707N/A // KerberosString in most implementations.
1707N/A
1707N/A if (KerberosString.MSNAME) {
1707N/A this.salt = new String(saltBytes, "UTF8");
1707N/A } else {
1707N/A this.salt = new String(saltBytes);
1707N/A }
0N/A }
0N/A }
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 this object to an OutputStream.
0N/A *
0N/A * @return byte array of the encoded data.
0N/A * @exception IOException if an I/O error occurs while reading encoded data.
0N/A * @exception Asn1Exception on encoding errors.
0N/A */
0N/A public byte[] asn1Encode() throws Asn1Exception, IOException {
0N/A
0N/A DerOutputStream bytes = new DerOutputStream();
0N/A DerOutputStream temp = new DerOutputStream();
0N/A
0N/A temp.putInteger(etype);
0N/A bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT, true,
0N/A TAG_TYPE), temp);
0N/A
0N/A if (salt != null) {
0N/A temp = new DerOutputStream();
1707N/A if (KerberosString.MSNAME) {
1707N/A temp.putOctetString(salt.getBytes("UTF8"));
1707N/A } else {
1707N/A temp.putOctetString(salt.getBytes());
1707N/A }
0N/A bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT, true,
0N/A TAG_VALUE), 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 // accessor methods
0N/A public int getEType() {
0N/A return etype;
0N/A }
0N/A
1707N/A public String getSalt() {
1707N/A return salt;
0N/A }
0N/A
0N/A}