/*
* Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved.
* ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
*
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*/
package java.security.cert;
import java.math.
BigInteger;
import java.util.
Date;
import javax.security.auth.x500.
X500Principal;
import sun.security.x509.
X509CRLEntryImpl;
/**
* <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
*
* CertificateSerialNumber ::= INTEGER
*
* Extensions ::= SEQUENCE SIZE (1..MAX) OF Extension
*
* 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
*/
public abstract class
X509CRLEntry implements
X509Extension {
/**
* Compares this CRL entry for equality with the given
* object. If the {@code other} object is an
* {@code instanceof} {@code X509CRLEntry}, 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();
/**
* Get the issuer of the X509Certificate described by this entry. If
* the certificate issuer is also the CRL issuer, this method returns
* null.
*
* <p>This method is used with indirect CRLs. The default implementation
* always returns null. Subclasses that wish to support indirect CRLs
* should override it.
*
* @return the issuer of the X509Certificate described by this entry
* or null if it is issued by the CRL issuer.
*
* @since 1.5
*/
public
X500Principal getCertificateIssuer() {
return null;
}
/**
* 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();
/**
* Returns the reason the certificate has been revoked, as specified
* in the Reason Code extension of this CRL entry.
*
* @return the reason the certificate has been revoked, or
* {@code null} if this CRL entry does not have
* a Reason Code extension
* @since 1.7
*/
public
CRLReason getRevocationReason() {
if (!
hasExtensions()) {
return null;
}
return
X509CRLEntryImpl.
getRevocationReason(this);
}
}