| /* |
| * 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. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.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.io.IOException; |
| import java.math.BigInteger; |
| |
| /** |
| * Implements the ASN.1 PAEncTSEnc type. |
| * |
| * <xmp> |
| * PA-ENC-TS-ENC ::= SEQUENCE { |
| * patimestamp [0] KerberosTime -- client's time --, |
| * pausec [1] Microseconds OPTIONAL |
| * } |
| * </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 PAEncTSEnc { |
| public KerberosTime pATimeStamp; |
| public Integer pAUSec; //optional |
| |
| public PAEncTSEnc( |
| KerberosTime new_pATimeStamp, |
| Integer new_pAUSec |
| ) { |
| pATimeStamp = new_pATimeStamp; |
| pAUSec = new_pAUSec; |
| } |
| |
| public PAEncTSEnc() { |
| KerberosTime now = new KerberosTime(KerberosTime.NOW); |
| pATimeStamp = now; |
| pAUSec = new Integer(now.getMicroSeconds()); |
| } |
| |
| /** |
| * Constructs a PAEncTSEnc 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 PAEncTSEnc(DerValue encoding) throws Asn1Exception, IOException { |
| DerValue der; |
| if (encoding.getTag() != DerValue.tag_Sequence) { |
| throw new Asn1Exception(Krb5.ASN1_BAD_ID); |
| } |
| pATimeStamp = KerberosTime.parse(encoding.getData(), (byte)0x00, false); |
| if (encoding.getData().available() > 0) { |
| der = encoding.getData().getDerValue(); |
| if ((der.getTag() & 0x1F) == 0x01) { |
| pAUSec = new Integer(der.getData().getBigInteger().intValue()); |
| } |
| else throw new Asn1Exception(Krb5.ASN1_BAD_ID); |
| } |
| if (encoding.getData().available() > 0) |
| throw new Asn1Exception(Krb5.ASN1_BAD_ID); |
| } |
| |
| |
| /** |
| * Encodes a PAEncTSEnc object. |
| * @return the byte array of encoded PAEncTSEnc 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(); |
| bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte)0x00), pATimeStamp.asn1Encode()); |
| if (pAUSec != null) { |
| temp = new DerOutputStream(); |
| temp.putInteger(BigInteger.valueOf(pAUSec.intValue())); |
| bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte)0x01), temp); |
| } |
| temp = new DerOutputStream(); |
| temp.write(DerValue.tag_Sequence, bytes); |
| return temp.toByteArray(); |
| } |
| } |