/*
* @(#)X509CRLEntry.java 1.18 06/10/10
*
* Copyright 1990-2008 Sun Microsystems, Inc. All Rights Reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER
*
* This program 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.
*
* This program 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 at /legal/license.txt).
*
* 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 Sun Microsystems, Inc., 4150 Network Circle, Santa
* Clara, CA 95054 or visit www.sun.com if you need additional
* information or have any questions.
*
*/
package java.security.cert;
import java.math.BigInteger;
import java.util.Date;
import java.util.Set;
/**
* <p>Abstract class for a revoked certificate in a CRL (Certificate
* Revocation List).
*
* The ASN.1 definition for <em>revokedCertificates</em> is:
* <pre>
* revokedCertificates SEQUENCE OF SEQUENCE {
* userCertificate CertificateSerialNumber,
* revocationDate ChoiceOfTime,
* crlEntryExtensions Extensions OPTIONAL
* -- if present, must be v2
* } OPTIONAL
*<p>
* CertificateSerialNumber ::= INTEGER
*<p>
* Extensions ::= SEQUENCE SIZE (1..MAX) OF Extension
*<p>
* Extension ::= SEQUENCE {
* extnId OBJECT IDENTIFIER,
* critical BOOLEAN DEFAULT FALSE,
* extnValue OCTET STRING
* -- contains a DER encoding of a value
* -- of the type registered for use with
* -- the extnId object identifier value
* }
* </pre>
*
* @see X509CRL
* @see X509Extension
*
* @author Hemma Prafullchandra
* @version 1.12 00/02/02
*/
public abstract class X509CRLEntry implements X509Extension {
/**
* Compares this CRL entry for equality with the given
* object. If the <code>other</code> object is an
* <code>instanceof</code> <code>X509CRLEntry</code>, then
* its encoded form (the inner SEQUENCE) is retrieved and compared
* with the encoded form of this CRL entry.
*
* @param other the object to test for equality with this CRL entry.
* @return true iff the encoded forms of the two CRL entries
* match, false otherwise.
*/
public boolean equals(Object other) {
if (this == other)
return true;
if (!(other instanceof X509CRLEntry))
return false;
try {
byte[] thisCRLEntry = this.getEncoded();
byte[] otherCRLEntry = ((X509CRLEntry)other).getEncoded();
if (thisCRLEntry.length != otherCRLEntry.length)
return false;
for (int i = 0; i < thisCRLEntry.length; i++)
if (thisCRLEntry[i] != otherCRLEntry[i])
return false;
} catch (CRLException ce) {
return false;
}
return true;
}
/**
* Returns a hashcode value for this CRL entry from its
* encoded form.
*
* @return the hashcode value.
*/
public int hashCode() {
int retval = 0;
try {
byte[] entryData = this.getEncoded();
for (int i = 1; i < entryData.length; i++)
retval += entryData[i] * i;
} catch (CRLException ce) {
return(retval);
}
return(retval);
}
/**
* Returns the ASN.1 DER-encoded form of this CRL Entry,
* that is the inner SEQUENCE.
*
* @return the encoded form of this certificate
* @exception CRLException if an encoding error occurs.
*/
public abstract byte[] getEncoded() throws CRLException;
/**
* Gets the serial number from this X509CRLEntry,
* the <em>userCertificate</em>.
*
* @return the serial number.
*/
public abstract BigInteger getSerialNumber();
/**
* Gets the revocation date from this X509CRLEntry,
* the <em>revocationDate</em>.
*
* @return the revocation date.
*/
public abstract Date getRevocationDate();
/**
* Returns true if this CRL entry has extensions.
*
* @return true if this entry has extensions, false otherwise.
*/
public abstract boolean hasExtensions();
/**
* Returns a string representation of this CRL entry.
*
* @return a string representation of this CRL entry.
*/
public abstract String toString();
}