Source for java.security.cert.X509CRLEntry

   1: /* X509CRLEntry.java --- X.509 Certificate Revocation List Entry
   2:    Copyright (C) 1999 Free Software Foundation, Inc.
   3: 
   4: This file is part of GNU Classpath.
   5: 
   6: GNU Classpath is free software; you can redistribute it and/or modify
   7: it under the terms of the GNU General Public License as published by
   8: the Free Software Foundation; either version 2, or (at your option)
   9: any later version.
  10:  
  11: GNU Classpath is distributed in the hope that it will be useful, but
  12: WITHOUT ANY WARRANTY; without even the implied warranty of
  13: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14: General Public License for more details.
  15: 
  16: You should have received a copy of the GNU General Public License
  17: along with GNU Classpath; see the file COPYING.  If not, write to the
  18: Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  19: 02110-1301 USA.
  20: 
  21: Linking this library statically or dynamically with other modules is
  22: making a combined work based on this library.  Thus, the terms and
  23: conditions of the GNU General Public License cover the whole
  24: combination.
  25: 
  26: As a special exception, the copyright holders of this library give you
  27: permission to link this library with independent modules to produce an
  28: executable, regardless of the license terms of these independent
  29: modules, and to copy and distribute the resulting executable under
  30: terms of your choice, provided that you also meet, for each linked
  31: independent module, the terms and conditions of the license of that
  32: module.  An independent module is a module which is not derived from
  33: or based on this library.  If you modify this library, you may extend
  34: this exception to your version of the library, but you are not
  35: obligated to do so.  If you do not wish to do so, delete this
  36: exception statement from your version. */
  37: 
  38: 
  39: package java.security.cert;
  40: 
  41: import java.math.BigInteger;
  42: import java.util.Date;
  43: 
  44: /**
  45:     Abstract class for entries in the CRL (Certificate Revocation 
  46:     List). The ASN.1 definition for <I>revokedCertificates</I> is
  47: 
  48:         revokedCertificates     SEQUENCE OF SEQUENCE  {
  49:              userCertificate         CertificateSerialNumber,
  50:              revocationDate          Time,
  51:              crlEntryExtensions      Extensions OPTIONAL
  52:                                            -- if present, shall be v2
  53:                                   }  OPTIONAL,
  54: 
  55:     CertificateSerialNumber  ::=  INTEGER
  56: 
  57:     Time ::= CHOICE {
  58:              utcTime        UTCTime,
  59:          generalTime    GeneralizedTime }
  60: 
  61:     Extensions  ::=  SEQUENCE SIZE (1..MAX) OF Extension
  62: 
  63:     Extension  ::=  SEQUENCE  {
  64:          extnID      OBJECT IDENTIFIER,
  65:              critical    BOOLEAN DEFAULT FALSE,
  66:              extnValue   OCTET STRING  }
  67:  
  68:     For more information consult rfc2459.
  69: 
  70:     @author Mark Benvenuto
  71: 
  72:     @since JDK 1.2
  73: */
  74: public abstract class X509CRLEntry implements X509Extension
  75: {
  76: 
  77:   /**
  78:      Creates a new X509CRLEntry
  79:   */
  80:   public X509CRLEntry()
  81:   {}
  82: 
  83:   /**
  84:      Compares this X509CRLEntry to other. It checks if the
  85:      object if instanceOf X509CRLEntry and then checks if
  86:      the encoded form( the inner SEQUENCE) matches.
  87: 
  88:      @param other An Object to test for equality
  89: 
  90:      @return true if equal, false otherwise
  91:   */
  92:   public boolean equals(Object other)
  93:   {
  94:     if( other instanceof X509CRLEntry ) {
  95:       try {
  96:     X509CRLEntry xe = (X509CRLEntry) other;
  97:     if( getEncoded().length != xe.getEncoded().length )
  98:       return false;
  99: 
 100:     byte[] b1 = getEncoded();
 101:     byte[] b2 = xe.getEncoded();
 102: 
 103:     for( int i = 0; i < b1.length; i++ )
 104:       if( b1[i] != b2[i] )
 105:         return false;
 106: 
 107:       } catch( CRLException crle ) { 
 108:     return false;
 109:       }
 110:       return true;
 111:     }
 112:     return false;
 113:   }
 114: 
 115:   /**
 116:      Returns a hash code for this X509CRLEntry in its encoded
 117:      form.
 118: 
 119:      @return A hash code of this class
 120:   */
 121:   public int hashCode()
 122:   {
 123:     return super.hashCode();
 124:   }
 125: 
 126:   /**
 127:      Gets the DER ASN.1 encoded format for this CRL Entry,
 128:      the inner SEQUENCE.
 129: 
 130:      @return byte array containg encoded form
 131: 
 132:      @throws CRLException if an error occurs
 133:   */
 134:   public abstract byte[] getEncoded() throws CRLException;
 135: 
 136:   /**
 137:      Gets the serial number for <I>userCertificate</I> in
 138:      this X509CRLEntry.
 139: 
 140:      @return the serial number for this X509CRLEntry.
 141:   */
 142:   public abstract BigInteger getSerialNumber();
 143: 
 144: 
 145:   /**
 146:      Gets the revocation date in <I>revocationDate</I> for
 147:      this X509CRLEntry.
 148: 
 149:      @return the revocation date for this X509CRLEntry.
 150:   */
 151:   public abstract Date getRevocationDate();
 152: 
 153: 
 154:   /**
 155:      Checks if this X509CRLEntry has extensions.
 156: 
 157:      @return true if it has extensions, false otherwise
 158:   */
 159:   public abstract boolean hasExtensions();
 160: 
 161: 
 162:   /**
 163:      Returns a string that represents this X509CRLEntry.
 164: 
 165:      @return a string representing this X509CRLEntry.
 166:   */
 167:   public abstract String toString();
 168: 
 169: }