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/*
 *
 *  (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.

PA-ENC-TS-ENC                ::= SEQUENCE {
     patimestamp     [0] KerberosTime -- client's time --,
     pausec          [1] Microseconds OPTIONAL
 }

This definition reflects the Network Working Group RFC 4120 specification available at http://www.ietf.org/rfc/rfc4120.txt.

/** * Implements the ASN.1 PAEncTSEnc type. * * <pre>{@code * PA-ENC-TS-ENC ::= SEQUENCE { * patimestamp [0] KerberosTime -- client's time --, * pausec [1] Microseconds OPTIONAL * } * }</pre> * * <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 = KerberosTime.now(); pATimeStamp = now; pAUSec = now.getMicroSeconds(); }
Constructs a PAEncTSEnc object.
Params:
  • encoding – a Der-encoded data.
Throws:
  • Asn1Exception – if an error occurs while decoding an ASN1 encoded data.
  • IOException – if an I/O error occurs while reading encoded data.
/** * 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 = 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.
Throws:
  • Asn1Exception – if an error occurs while decoding an ASN1 encoded data.
  • IOException – if an I/O error occurs while reading encoded data.
Returns:the byte array of encoded PAEncTSEnc object.
/** * 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(); } }