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src/java.security.jgss/share/classes/sun/security/krb5/internal/KRBError.java

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   1 /*
   2  * Copyright (c) 2000, 2019, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any


  73  * }
  74  * }</pre>
  75  *
  76  * <p>
  77  * This definition reflects the Network Working Group RFC 4120
  78  * specification available at
  79  * <a href="http://www.ietf.org/rfc/rfc4120.txt">
  80  * http://www.ietf.org/rfc/rfc4120.txt</a>.
  81  */
  82 
  83 public class KRBError implements java.io.Serializable {
  84     static final long serialVersionUID = 3643809337475284503L;
  85 
  86     private int pvno;
  87     private int msgType;
  88     private KerberosTime cTime; //optional
  89     private Integer cuSec; //optional
  90     private KerberosTime sTime;
  91     private Integer suSec;
  92     private int errorCode;
  93     private Realm crealm; //optional
  94     private PrincipalName cname; //optional
  95     private PrincipalName sname;
  96     private String eText; //optional
  97     private byte[] eData; //optional
  98     private Checksum eCksum; //optional
  99 
 100     private PAData[] pa;    // PA-DATA in eData
 101 
 102     private static boolean DEBUG = Krb5.DEBUG;
 103 
 104     private void readObject(ObjectInputStream is)
 105             throws IOException, ClassNotFoundException {
 106         try {
 107             init(new DerValue((byte[])is.readObject()));
 108             parseEData(eData);
 109         } catch (Exception e) {
 110             throw new IOException(e);
 111         }
 112     }
 113 


 122 
 123     public KRBError(
 124                     APOptions new_apOptions,
 125                     KerberosTime new_cTime,
 126                     Integer new_cuSec,
 127                     KerberosTime new_sTime,
 128                     Integer new_suSec,
 129                     int new_errorCode,
 130                     PrincipalName new_cname,
 131                     PrincipalName new_sname,
 132                     String new_eText,
 133                     byte[] new_eData
 134                         ) throws IOException, Asn1Exception {
 135         pvno = Krb5.PVNO;
 136         msgType = Krb5.KRB_ERROR;
 137         cTime = new_cTime;
 138         cuSec = new_cuSec;
 139         sTime = new_sTime;
 140         suSec = new_suSec;
 141         errorCode = new_errorCode;
 142         crealm = new_cname.getRealm();
 143         cname = new_cname;
 144         sname = new_sname;
 145         eText = new_eText;
 146         eData = new_eData;
 147 
 148         parseEData(eData);
 149     }
 150 
 151     public KRBError(
 152                     APOptions new_apOptions,
 153                     KerberosTime new_cTime,
 154                     Integer new_cuSec,
 155                     KerberosTime new_sTime,
 156                     Integer new_suSec,
 157                     int new_errorCode,
 158                     PrincipalName new_cname,
 159                     PrincipalName new_sname,
 160                     String new_eText,
 161                     byte[] new_eData,
 162                     Checksum new_eCksum
 163                         ) throws IOException, Asn1Exception {
 164         pvno = Krb5.PVNO;
 165         msgType = Krb5.KRB_ERROR;
 166         cTime = new_cTime;
 167         cuSec = new_cuSec;
 168         sTime = new_sTime;
 169         suSec = new_suSec;
 170         errorCode = new_errorCode;
 171         crealm = new_cname.getRealm();
 172         cname = new_cname;
 173         sname = new_sname;
 174         eText = new_eText;
 175         eData = new_eData;
 176         eCksum = new_eCksum;
 177 
 178         parseEData(eData);
 179     }
 180 
 181     public KRBError(byte[] data) throws Asn1Exception,
 182             RealmException, KrbApErrException, IOException {
 183         init(new DerValue(data));
 184         parseEData(eData);
 185     }
 186 
 187     public KRBError(DerValue encoding) throws Asn1Exception,
 188             RealmException, KrbApErrException, IOException {
 189         init(encoding);
 190         showDebug();
 191         parseEData(eData);


 248     /**
 249      * Try parsing the data as a sequence of PA-DATA.
 250      * @param data the data block
 251      */
 252     private void parsePAData(byte[] data)
 253             throws IOException, Asn1Exception {
 254         DerValue derPA = new DerValue(data);
 255         List<PAData> paList = new ArrayList<>();
 256         while (derPA.data.available() > 0) {
 257             // read the PA-DATA
 258             DerValue tmp = derPA.data.getDerValue();
 259             PAData pa_data = new PAData(tmp);
 260             paList.add(pa_data);
 261             if (DEBUG) {
 262                 System.out.println(pa_data);
 263             }
 264         }
 265         pa = paList.toArray(new PAData[paList.size()]);
 266     }
 267 
 268     public final Realm getClientRealm() {
 269         return crealm;
 270     }
 271 
 272     public final KerberosTime getServerTime() {
 273         return sTime;
 274     }
 275 
 276     public final KerberosTime getClientTime() {
 277         return cTime;
 278     }
 279 
 280     public final Integer getServerMicroSeconds() {
 281         return suSec;
 282     }
 283 
 284     public final Integer getClientMicroSeconds() {
 285         return cuSec;
 286     }
 287 
 288     public final int getErrorCode() {
 289         return errorCode;
 290     }
 291 


 339             throw new Asn1Exception(Krb5.ASN1_BAD_ID);
 340         }
 341 
 342         cTime = KerberosTime.parse(der.getData(), (byte)0x02, true);
 343         if ((der.getData().peekByte() & 0x1F) == 0x03) {
 344             subDer = der.getData().getDerValue();
 345             cuSec = subDer.getData().getBigInteger().intValue();
 346         }
 347         else cuSec = null;
 348         sTime = KerberosTime.parse(der.getData(), (byte)0x04, false);
 349         subDer = der.getData().getDerValue();
 350         if ((subDer.getTag() & (byte)0x1F) == (byte)0x05) {
 351             suSec = subDer.getData().getBigInteger().intValue();
 352         }
 353         else  throw new Asn1Exception(Krb5.ASN1_BAD_ID);
 354         subDer = der.getData().getDerValue();
 355         if ((subDer.getTag() & (byte)0x1F) == (byte)0x06) {
 356             errorCode = subDer.getData().getBigInteger().intValue();
 357         }
 358         else  throw new Asn1Exception(Krb5.ASN1_BAD_ID);
 359         crealm = Realm.parse(der.getData(), (byte)0x07, true);
 360         cname = PrincipalName.parse(der.getData(), (byte)0x08, true, crealm);
 361         Realm realm = Realm.parse(der.getData(), (byte)0x09, false);
 362         sname = PrincipalName.parse(der.getData(), (byte)0x0A, false, realm);
 363         eText = null;
 364         eData = null;
 365         eCksum = null;
 366         if (der.getData().available() >0) {
 367             if ((der.getData().peekByte() & 0x1F) == 0x0B) {
 368                 subDer = der.getData().getDerValue();
 369                 eText = new KerberosString(subDer.getData().getDerValue())
 370                         .toString();
 371             }
 372         }
 373         if (der.getData().available() >0) {
 374             if ((der.getData().peekByte() & 0x1F) == 0x0C) {
 375                 subDer = der.getData().getDerValue();
 376                 eData = subDer.getData().getOctetString();
 377             }
 378         }
 379         if (der.getData().available() >0) {


 383             throw new Asn1Exception(Krb5.ASN1_BAD_ID);
 384     }
 385 
 386     /**
 387      * For debug use only
 388      */
 389     private void showDebug() {
 390         if (DEBUG) {
 391             System.out.println(">>>KRBError:");
 392             if (cTime != null)
 393                 System.out.println("\t cTime is " + cTime.toDate().toString() + " " + cTime.toDate().getTime());
 394             if (cuSec != null) {
 395                 System.out.println("\t cuSec is " + cuSec.intValue());
 396             }
 397 
 398             System.out.println("\t sTime is " + sTime.toDate().toString
 399                                () + " " + sTime.toDate().getTime());
 400             System.out.println("\t suSec is " + suSec);
 401             System.out.println("\t error code is " + errorCode);
 402             System.out.println("\t error Message is " + Krb5.getErrorMessage(errorCode));
 403             if (crealm != null) {
 404                 System.out.println("\t crealm is " + crealm.toString());
 405             }
 406             if (cname != null) {
 407                 System.out.println("\t cname is " + cname.toString());
 408             }
 409             if (sname != null) {
 410                 System.out.println("\t sname is " + sname.toString());
 411             }
 412             if (eData != null) {
 413                 System.out.println("\t eData provided.");
 414             }
 415             if (eCksum != null) {
 416                 System.out.println("\t checksum provided.");
 417             }
 418             System.out.println("\t msgType is " + msgType);
 419         }
 420     }
 421 
 422     /**
 423      * Encodes an KRBError object.
 424      * @return the byte array of encoded KRBError object.
 425      * @exception Asn1Exception if an error occurs while decoding an ASN1 encoded data.


 435         temp.putInteger(BigInteger.valueOf(msgType));
 436         bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte)0x01), temp);
 437 
 438         if (cTime != null) {
 439             bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte)0x02), cTime.asn1Encode());
 440         }
 441         if (cuSec != null) {
 442             temp = new DerOutputStream();
 443             temp.putInteger(BigInteger.valueOf(cuSec.intValue()));
 444             bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte)0x03), temp);
 445         }
 446 
 447         bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte)0x04), sTime.asn1Encode());
 448         temp = new DerOutputStream();
 449         temp.putInteger(BigInteger.valueOf(suSec.intValue()));
 450         bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte)0x05), temp);
 451         temp = new DerOutputStream();
 452         temp.putInteger(BigInteger.valueOf(errorCode));
 453         bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte)0x06), temp);
 454 
 455         if (crealm != null) {
 456             bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte)0x07), crealm.asn1Encode());
 457         }
 458         if (cname != null) {

 459             bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte)0x08), cname.asn1Encode());
 460         }
 461 
 462         bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte)0x09), sname.getRealm().asn1Encode());
 463         bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte)0x0A), sname.asn1Encode());
 464 
 465         if (eText != null) {
 466             temp = new DerOutputStream();
 467             temp.putDerValue(new KerberosString(eText).toDerValue());
 468             bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte)0x0B), temp);
 469         }
 470         if (eData != null) {
 471             temp = new DerOutputStream();
 472             temp.putOctetString(eData);
 473             bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte)0x0C), temp);
 474         }
 475         if (eCksum != null) {
 476             bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte)0x0D), eCksum.asn1Encode());
 477         }
 478 


 483         return bytes.toByteArray();
 484     }
 485 
 486     @Override public boolean equals(Object obj) {
 487         if (this == obj) {
 488             return true;
 489         }
 490 
 491         if (!(obj instanceof KRBError)) {
 492             return false;
 493         }
 494 
 495         KRBError other = (KRBError)obj;
 496         return  pvno == other.pvno &&
 497                 msgType == other.msgType &&
 498                 isEqual(cTime, other.cTime) &&
 499                 isEqual(cuSec, other.cuSec) &&
 500                 isEqual(sTime, other.sTime) &&
 501                 isEqual(suSec, other.suSec) &&
 502                 errorCode == other.errorCode &&
 503                 isEqual(crealm, other.crealm) &&
 504                 isEqual(cname, other.cname) &&
 505                 isEqual(sname, other.sname) &&
 506                 isEqual(eText, other.eText) &&
 507                 java.util.Arrays.equals(eData, other.eData) &&
 508                 isEqual(eCksum, other.eCksum);
 509     }
 510 
 511     private static boolean isEqual(Object a, Object b) {
 512         return (a == null)?(b == null):(a.equals(b));
 513     }
 514 
 515     @Override public int hashCode() {
 516         int result = 17;
 517         result = 37 * result + pvno;
 518         result = 37 * result + msgType;
 519         if (cTime != null) result = 37 * result + cTime.hashCode();
 520         if (cuSec != null) result = 37 * result + cuSec.hashCode();
 521         if (sTime != null) result = 37 * result + sTime.hashCode();
 522         if (suSec != null) result = 37 * result + suSec.hashCode();
 523         result = 37 * result + errorCode;
 524         if (crealm != null) result = 37 * result + crealm.hashCode();
 525         if (cname != null) result = 37 * result + cname.hashCode();
 526         if (sname != null) result = 37 * result + sname.hashCode();
 527         if (eText != null) result = 37 * result + eText.hashCode();
 528         result = 37 * result + Arrays.hashCode(eData);
 529         if (eCksum != null) result = 37 * result + eCksum.hashCode();
 530         return result;
 531     }
 532 }
   1 /*
   2  * Copyright (c) 2000, 2012, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any


  73  * }
  74  * }</pre>
  75  *
  76  * <p>
  77  * This definition reflects the Network Working Group RFC 4120
  78  * specification available at
  79  * <a href="http://www.ietf.org/rfc/rfc4120.txt">
  80  * http://www.ietf.org/rfc/rfc4120.txt</a>.
  81  */
  82 
  83 public class KRBError implements java.io.Serializable {
  84     static final long serialVersionUID = 3643809337475284503L;
  85 
  86     private int pvno;
  87     private int msgType;
  88     private KerberosTime cTime; //optional
  89     private Integer cuSec; //optional
  90     private KerberosTime sTime;
  91     private Integer suSec;
  92     private int errorCode;

  93     private PrincipalName cname; //optional
  94     private PrincipalName sname;
  95     private String eText; //optional
  96     private byte[] eData; //optional
  97     private Checksum eCksum; //optional
  98 
  99     private PAData[] pa;    // PA-DATA in eData
 100 
 101     private static boolean DEBUG = Krb5.DEBUG;
 102 
 103     private void readObject(ObjectInputStream is)
 104             throws IOException, ClassNotFoundException {
 105         try {
 106             init(new DerValue((byte[])is.readObject()));
 107             parseEData(eData);
 108         } catch (Exception e) {
 109             throw new IOException(e);
 110         }
 111     }
 112 


 121 
 122     public KRBError(
 123                     APOptions new_apOptions,
 124                     KerberosTime new_cTime,
 125                     Integer new_cuSec,
 126                     KerberosTime new_sTime,
 127                     Integer new_suSec,
 128                     int new_errorCode,
 129                     PrincipalName new_cname,
 130                     PrincipalName new_sname,
 131                     String new_eText,
 132                     byte[] new_eData
 133                         ) throws IOException, Asn1Exception {
 134         pvno = Krb5.PVNO;
 135         msgType = Krb5.KRB_ERROR;
 136         cTime = new_cTime;
 137         cuSec = new_cuSec;
 138         sTime = new_sTime;
 139         suSec = new_suSec;
 140         errorCode = new_errorCode;

 141         cname = new_cname;
 142         sname = new_sname;
 143         eText = new_eText;
 144         eData = new_eData;
 145 
 146         parseEData(eData);
 147     }
 148 
 149     public KRBError(
 150                     APOptions new_apOptions,
 151                     KerberosTime new_cTime,
 152                     Integer new_cuSec,
 153                     KerberosTime new_sTime,
 154                     Integer new_suSec,
 155                     int new_errorCode,
 156                     PrincipalName new_cname,
 157                     PrincipalName new_sname,
 158                     String new_eText,
 159                     byte[] new_eData,
 160                     Checksum new_eCksum
 161                         ) throws IOException, Asn1Exception {
 162         pvno = Krb5.PVNO;
 163         msgType = Krb5.KRB_ERROR;
 164         cTime = new_cTime;
 165         cuSec = new_cuSec;
 166         sTime = new_sTime;
 167         suSec = new_suSec;
 168         errorCode = new_errorCode;

 169         cname = new_cname;
 170         sname = new_sname;
 171         eText = new_eText;
 172         eData = new_eData;
 173         eCksum = new_eCksum;
 174 
 175         parseEData(eData);
 176     }
 177 
 178     public KRBError(byte[] data) throws Asn1Exception,
 179             RealmException, KrbApErrException, IOException {
 180         init(new DerValue(data));
 181         parseEData(eData);
 182     }
 183 
 184     public KRBError(DerValue encoding) throws Asn1Exception,
 185             RealmException, KrbApErrException, IOException {
 186         init(encoding);
 187         showDebug();
 188         parseEData(eData);


 245     /**
 246      * Try parsing the data as a sequence of PA-DATA.
 247      * @param data the data block
 248      */
 249     private void parsePAData(byte[] data)
 250             throws IOException, Asn1Exception {
 251         DerValue derPA = new DerValue(data);
 252         List<PAData> paList = new ArrayList<>();
 253         while (derPA.data.available() > 0) {
 254             // read the PA-DATA
 255             DerValue tmp = derPA.data.getDerValue();
 256             PAData pa_data = new PAData(tmp);
 257             paList.add(pa_data);
 258             if (DEBUG) {
 259                 System.out.println(pa_data);
 260             }
 261         }
 262         pa = paList.toArray(new PAData[paList.size()]);
 263     }
 264 




 265     public final KerberosTime getServerTime() {
 266         return sTime;
 267     }
 268 
 269     public final KerberosTime getClientTime() {
 270         return cTime;
 271     }
 272 
 273     public final Integer getServerMicroSeconds() {
 274         return suSec;
 275     }
 276 
 277     public final Integer getClientMicroSeconds() {
 278         return cuSec;
 279     }
 280 
 281     public final int getErrorCode() {
 282         return errorCode;
 283     }
 284 


 332             throw new Asn1Exception(Krb5.ASN1_BAD_ID);
 333         }
 334 
 335         cTime = KerberosTime.parse(der.getData(), (byte)0x02, true);
 336         if ((der.getData().peekByte() & 0x1F) == 0x03) {
 337             subDer = der.getData().getDerValue();
 338             cuSec = subDer.getData().getBigInteger().intValue();
 339         }
 340         else cuSec = null;
 341         sTime = KerberosTime.parse(der.getData(), (byte)0x04, false);
 342         subDer = der.getData().getDerValue();
 343         if ((subDer.getTag() & (byte)0x1F) == (byte)0x05) {
 344             suSec = subDer.getData().getBigInteger().intValue();
 345         }
 346         else  throw new Asn1Exception(Krb5.ASN1_BAD_ID);
 347         subDer = der.getData().getDerValue();
 348         if ((subDer.getTag() & (byte)0x1F) == (byte)0x06) {
 349             errorCode = subDer.getData().getBigInteger().intValue();
 350         }
 351         else  throw new Asn1Exception(Krb5.ASN1_BAD_ID);
 352         Realm crealm = Realm.parse(der.getData(), (byte)0x07, true);
 353         cname = PrincipalName.parse(der.getData(), (byte)0x08, true, crealm);
 354         Realm realm = Realm.parse(der.getData(), (byte)0x09, false);
 355         sname = PrincipalName.parse(der.getData(), (byte)0x0A, false, realm);
 356         eText = null;
 357         eData = null;
 358         eCksum = null;
 359         if (der.getData().available() >0) {
 360             if ((der.getData().peekByte() & 0x1F) == 0x0B) {
 361                 subDer = der.getData().getDerValue();
 362                 eText = new KerberosString(subDer.getData().getDerValue())
 363                         .toString();
 364             }
 365         }
 366         if (der.getData().available() >0) {
 367             if ((der.getData().peekByte() & 0x1F) == 0x0C) {
 368                 subDer = der.getData().getDerValue();
 369                 eData = subDer.getData().getOctetString();
 370             }
 371         }
 372         if (der.getData().available() >0) {


 376             throw new Asn1Exception(Krb5.ASN1_BAD_ID);
 377     }
 378 
 379     /**
 380      * For debug use only
 381      */
 382     private void showDebug() {
 383         if (DEBUG) {
 384             System.out.println(">>>KRBError:");
 385             if (cTime != null)
 386                 System.out.println("\t cTime is " + cTime.toDate().toString() + " " + cTime.toDate().getTime());
 387             if (cuSec != null) {
 388                 System.out.println("\t cuSec is " + cuSec.intValue());
 389             }
 390 
 391             System.out.println("\t sTime is " + sTime.toDate().toString
 392                                () + " " + sTime.toDate().getTime());
 393             System.out.println("\t suSec is " + suSec);
 394             System.out.println("\t error code is " + errorCode);
 395             System.out.println("\t error Message is " + Krb5.getErrorMessage(errorCode));



 396             if (cname != null) {
 397                 System.out.println("\t cname is " + cname.toString());
 398             }
 399             if (sname != null) {
 400                 System.out.println("\t sname is " + sname.toString());
 401             }
 402             if (eData != null) {
 403                 System.out.println("\t eData provided.");
 404             }
 405             if (eCksum != null) {
 406                 System.out.println("\t checksum provided.");
 407             }
 408             System.out.println("\t msgType is " + msgType);
 409         }
 410     }
 411 
 412     /**
 413      * Encodes an KRBError object.
 414      * @return the byte array of encoded KRBError object.
 415      * @exception Asn1Exception if an error occurs while decoding an ASN1 encoded data.


 425         temp.putInteger(BigInteger.valueOf(msgType));
 426         bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte)0x01), temp);
 427 
 428         if (cTime != null) {
 429             bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte)0x02), cTime.asn1Encode());
 430         }
 431         if (cuSec != null) {
 432             temp = new DerOutputStream();
 433             temp.putInteger(BigInteger.valueOf(cuSec.intValue()));
 434             bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte)0x03), temp);
 435         }
 436 
 437         bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte)0x04), sTime.asn1Encode());
 438         temp = new DerOutputStream();
 439         temp.putInteger(BigInteger.valueOf(suSec.intValue()));
 440         bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte)0x05), temp);
 441         temp = new DerOutputStream();
 442         temp.putInteger(BigInteger.valueOf(errorCode));
 443         bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte)0x06), temp);
 444 



 445         if (cname != null) {
 446             bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte)0x07), cname.getRealm().asn1Encode());
 447             bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte)0x08), cname.asn1Encode());
 448         }
 449 
 450         bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte)0x09), sname.getRealm().asn1Encode());
 451         bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte)0x0A), sname.asn1Encode());
 452 
 453         if (eText != null) {
 454             temp = new DerOutputStream();
 455             temp.putDerValue(new KerberosString(eText).toDerValue());
 456             bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte)0x0B), temp);
 457         }
 458         if (eData != null) {
 459             temp = new DerOutputStream();
 460             temp.putOctetString(eData);
 461             bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte)0x0C), temp);
 462         }
 463         if (eCksum != null) {
 464             bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte)0x0D), eCksum.asn1Encode());
 465         }
 466 


 471         return bytes.toByteArray();
 472     }
 473 
 474     @Override public boolean equals(Object obj) {
 475         if (this == obj) {
 476             return true;
 477         }
 478 
 479         if (!(obj instanceof KRBError)) {
 480             return false;
 481         }
 482 
 483         KRBError other = (KRBError)obj;
 484         return  pvno == other.pvno &&
 485                 msgType == other.msgType &&
 486                 isEqual(cTime, other.cTime) &&
 487                 isEqual(cuSec, other.cuSec) &&
 488                 isEqual(sTime, other.sTime) &&
 489                 isEqual(suSec, other.suSec) &&
 490                 errorCode == other.errorCode &&

 491                 isEqual(cname, other.cname) &&
 492                 isEqual(sname, other.sname) &&
 493                 isEqual(eText, other.eText) &&
 494                 java.util.Arrays.equals(eData, other.eData) &&
 495                 isEqual(eCksum, other.eCksum);
 496     }
 497 
 498     private static boolean isEqual(Object a, Object b) {
 499         return (a == null)?(b == null):(a.equals(b));
 500     }
 501 
 502     @Override public int hashCode() {
 503         int result = 17;
 504         result = 37 * result + pvno;
 505         result = 37 * result + msgType;
 506         if (cTime != null) result = 37 * result + cTime.hashCode();
 507         if (cuSec != null) result = 37 * result + cuSec.hashCode();
 508         if (sTime != null) result = 37 * result + sTime.hashCode();
 509         if (suSec != null) result = 37 * result + suSec.hashCode();
 510         result = 37 * result + errorCode;

 511         if (cname != null) result = 37 * result + cname.hashCode();
 512         if (sname != null) result = 37 * result + sname.hashCode();
 513         if (eText != null) result = 37 * result + eText.hashCode();
 514         result = 37 * result + Arrays.hashCode(eData);
 515         if (eCksum != null) result = 37 * result + eCksum.hashCode();
 516         return result;
 517     }
 518 }
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