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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.krb5.*;
import sun.security.util.*;
import java.util.Vector;
import java.io.IOException;

Implements the ASN.1 KrbCredInfo type. KrbCredInfo ::= SEQUENCE { key [0] EncryptionKey, prealm [1] Realm OPTIONAL, pname [2] PrincipalName OPTIONAL, flags [3] TicketFlags OPTIONAL, authtime [4] KerberosTime OPTIONAL, starttime [5] KerberosTime OPTIONAL, endtime [6] KerberosTime OPTIONAL, renew-till [7] KerberosTime OPTIONAL, srealm [8] Realm OPTIONAL, sname [9] PrincipalName OPTIONAL, caddr [10] HostAddresses OPTIONAL }

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

/** * Implements the ASN.1 KrbCredInfo type. * * <xmp> * KrbCredInfo ::= SEQUENCE { * key [0] EncryptionKey, * prealm [1] Realm OPTIONAL, * pname [2] PrincipalName OPTIONAL, * flags [3] TicketFlags OPTIONAL, * authtime [4] KerberosTime OPTIONAL, * starttime [5] KerberosTime OPTIONAL, * endtime [6] KerberosTime OPTIONAL, * renew-till [7] KerberosTime OPTIONAL, * srealm [8] Realm OPTIONAL, * sname [9] PrincipalName OPTIONAL, * caddr [10] HostAddresses 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 KrbCredInfo { public EncryptionKey key; public PrincipalName pname; //optional public TicketFlags flags; //optional public KerberosTime authtime; //optional public KerberosTime starttime; //optional public KerberosTime endtime; //optional public KerberosTime renewTill; //optional public PrincipalName sname; //optional public HostAddresses caddr; //optional private KrbCredInfo() { } public KrbCredInfo( EncryptionKey new_key, PrincipalName new_pname, TicketFlags new_flags, KerberosTime new_authtime, KerberosTime new_starttime, KerberosTime new_endtime, KerberosTime new_renewTill, PrincipalName new_sname, HostAddresses new_caddr ) { key = new_key; pname = new_pname; flags = new_flags; authtime = new_authtime; starttime = new_starttime; endtime = new_endtime; renewTill = new_renewTill; sname = new_sname; caddr = new_caddr; }
Constructs a KrbCredInfo 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.
  • RealmException – if an error occurs while parsing a Realm object.
/** * Constructs a KrbCredInfo 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. * @exception RealmException if an error occurs while parsing a Realm object. */
public KrbCredInfo(DerValue encoding) throws Asn1Exception, IOException, RealmException{ if (encoding.getTag() != DerValue.tag_Sequence) { throw new Asn1Exception(Krb5.ASN1_BAD_ID); } pname = null; flags = null; authtime = null; starttime = null; endtime = null; renewTill = null; sname = null; caddr = null; key = EncryptionKey.parse(encoding.getData(), (byte)0x00, false); Realm prealm = null, srealm = null; if (encoding.getData().available() > 0) prealm = Realm.parse(encoding.getData(), (byte)0x01, true); if (encoding.getData().available() > 0) pname = PrincipalName.parse(encoding.getData(), (byte)0x02, true, prealm); if (encoding.getData().available() > 0) flags = TicketFlags.parse(encoding.getData(), (byte)0x03, true); if (encoding.getData().available() > 0) authtime = KerberosTime.parse(encoding.getData(), (byte)0x04, true); if (encoding.getData().available() > 0) starttime = KerberosTime.parse(encoding.getData(), (byte)0x05, true); if (encoding.getData().available() > 0) endtime = KerberosTime.parse(encoding.getData(), (byte)0x06, true); if (encoding.getData().available() > 0) renewTill = KerberosTime.parse(encoding.getData(), (byte)0x07, true); if (encoding.getData().available() > 0) srealm = Realm.parse(encoding.getData(), (byte)0x08, true); if (encoding.getData().available() > 0) sname = PrincipalName.parse(encoding.getData(), (byte)0x09, true, srealm); if (encoding.getData().available() > 0) caddr = HostAddresses.parse(encoding.getData(), (byte)0x0A, true); if (encoding.getData().available() > 0) throw new Asn1Exception(Krb5.ASN1_BAD_ID); }
Encodes an KrbCredInfo 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 KrbCredInfo object.
/** * Encodes an KrbCredInfo object. * @return the byte array of encoded KrbCredInfo 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 { Vector<DerValue> v = new Vector<>(); v.addElement(new DerValue(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte)0x00), key.asn1Encode())); if (pname != null) { v.addElement(new DerValue(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte)0x01), pname.getRealm().asn1Encode())); v.addElement(new DerValue(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte)0x02), pname.asn1Encode())); } if (flags != null) v.addElement(new DerValue(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte)0x03), flags.asn1Encode())); if (authtime != null) v.addElement(new DerValue(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte)0x04), authtime.asn1Encode())); if (starttime != null) v.addElement(new DerValue(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte)0x05), starttime.asn1Encode())); if (endtime != null) v.addElement(new DerValue(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte)0x06), endtime.asn1Encode())); if (renewTill != null) v.addElement(new DerValue(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte)0x07), renewTill.asn1Encode())); if (sname != null) { v.addElement(new DerValue(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte)0x08), sname.getRealm().asn1Encode())); v.addElement(new DerValue(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte)0x09), sname.asn1Encode())); } if (caddr != null) v.addElement(new DerValue(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte)0x0A), caddr.asn1Encode())); DerValue der[] = new DerValue[v.size()]; v.copyInto(der); DerOutputStream out = new DerOutputStream(); out.putSequence(der); return out.toByteArray(); } public Object clone() { KrbCredInfo kcred = new KrbCredInfo(); kcred.key = (EncryptionKey)key.clone(); // optional fields if (pname != null) kcred.pname = (PrincipalName)pname.clone(); if (flags != null) kcred.flags = (TicketFlags)flags.clone(); kcred.authtime = authtime; kcred.starttime = starttime; kcred.endtime = endtime; kcred.renewTill = renewTill; if (sname != null) kcred.sname = (PrincipalName)sname.clone(); if (caddr != null) kcred.caddr = (HostAddresses)caddr.clone(); return kcred; } }