/**
* Checks whether the given certificate is on this CRL.
*
* @param cert the certificate to check for.
* @return true if the given certificate is on this CRL, false otherwise.
*/
public boolean isRevoked(Certificate cert) {
if (!cert.getType().equals("X.509")) {
throw new RuntimeException("X.509 CRL used with non X.509 Cert");
}
TBSCertList.CRLEntry[] certs = c.getRevokedCertificates();
X500Name caName = c.getIssuer();
if (certs != null) {
BigInteger serial = ((X509Certificate) cert).getSerialNumber();
for (int i = 0; i < certs.length; i++) {
if (isIndirect && certs[i].hasExtensions()) {
Extension currentCaName =
certs[i].getExtensions().getExtension(Extension.certificateIssuer);
if (currentCaName != null) {
caName =
X500Name.getInstance(
GeneralNames.getInstance(currentCaName.getParsedValue())
.getNames()[0]
.getName());
}
}
if (certs[i].getUserCertificate().getValue().equals(serial)) {
X500Name issuer;
try {
issuer =
org.bouncycastle.asn1.x509.Certificate.getInstance(cert.getEncoded()).getIssuer();
} catch (CertificateEncodingException e) {
throw new RuntimeException("Cannot process certificate");
}
if (!caName.equals(issuer)) {
return false;
}
return true;
}
}
}
return false;
}
public byte[] getExtensionValue(String oid) {
Extensions exts = c.getTBSCertList().getExtensions();
if (exts != null) {
Extension ext = exts.getExtension(new ASN1ObjectIdentifier(oid));
if (ext != null) {
try {
return ext.getExtnValue().getEncoded();
} catch (Exception e) {
throw new IllegalStateException("error parsing " + e.toString());
}
}
}
return null;
}
private Set loadCRLEntries() {
Set entrySet = new HashSet();
Enumeration certs = c.getRevokedCertificateEnumeration();
X500Name previousCertificateIssuer = c.getIssuer();
while (certs.hasMoreElements()) {
TBSCertList.CRLEntry entry = (TBSCertList.CRLEntry) certs.nextElement();
X509CRLEntryObject crlEntry =
new X509CRLEntryObject(entry, isIndirect, previousCertificateIssuer);
entrySet.add(crlEntry);
if (isIndirect && entry.hasExtensions()) {
Extension currentCaName = entry.getExtensions().getExtension(Extension.certificateIssuer);
if (currentCaName != null) {
previousCertificateIssuer =
X500Name.getInstance(
GeneralNames.getInstance(currentCaName.getParsedValue()).getNames()[0].getName());
}
}
}
return entrySet;
}
private Set getExtensionOIDs(boolean critical) {
if (this.getVersion() == 2) {
Extensions extensions = c.getTBSCertList().getExtensions();
if (extensions != null) {
Set set = new HashSet();
Enumeration e = extensions.oids();
while (e.hasMoreElements()) {
ASN1ObjectIdentifier oid = (ASN1ObjectIdentifier) e.nextElement();
Extension ext = extensions.getExtension(oid);
if (critical == ext.isCritical()) {
set.add(oid.getId());
}
}
return set;
}
}
return null;
}
public X509CRLEntry getRevokedCertificate(BigInteger serialNumber) {
Enumeration certs = c.getRevokedCertificateEnumeration();
X500Name previousCertificateIssuer = c.getIssuer();
while (certs.hasMoreElements()) {
TBSCertList.CRLEntry entry = (TBSCertList.CRLEntry) certs.nextElement();
if (serialNumber.equals(entry.getUserCertificate().getValue())) {
return new X509CRLEntryObject(entry, isIndirect, previousCertificateIssuer);
}
if (isIndirect && entry.hasExtensions()) {
Extension currentCaName = entry.getExtensions().getExtension(Extension.certificateIssuer);
if (currentCaName != null) {
previousCertificateIssuer =
X500Name.getInstance(
GeneralNames.getInstance(currentCaName.getParsedValue()).getNames()[0].getName());
}
}
}
return null;
}
/**
* Returns a string representation of this CRL.
*
* @return a string representation of this CRL.
*/
public String toString() {
StringBuffer buf = new StringBuffer();
String nl = System.getProperty("line.separator");
buf.append(" Version: ").append(this.getVersion()).append(nl);
buf.append(" IssuerDN: ").append(this.getIssuerDN()).append(nl);
buf.append(" This update: ").append(this.getThisUpdate()).append(nl);
buf.append(" Next update: ").append(this.getNextUpdate()).append(nl);
buf.append(" Signature Algorithm: ").append(this.getSigAlgName()).append(nl);
byte[] sig = this.getSignature();
buf.append(" Signature: ").append(new String(Hex.encode(sig, 0, 20))).append(nl);
for (int i = 20; i < sig.length; i += 20) {
if (i < sig.length - 20) {
buf.append(" ").append(new String(Hex.encode(sig, i, 20))).append(nl);
} else {
buf.append(" ")
.append(new String(Hex.encode(sig, i, sig.length - i)))
.append(nl);
}
}
Extensions extensions = c.getTBSCertList().getExtensions();
if (extensions != null) {
Enumeration e = extensions.oids();
if (e.hasMoreElements()) {
buf.append(" Extensions: ").append(nl);
}
while (e.hasMoreElements()) {
ASN1ObjectIdentifier oid = (ASN1ObjectIdentifier) e.nextElement();
Extension ext = extensions.getExtension(oid);
if (ext.getExtnValue() != null) {
byte[] octs = ext.getExtnValue().getOctets();
ASN1InputStream dIn = new ASN1InputStream(octs);
buf.append(" critical(").append(ext.isCritical()).append(") ");
try {
if (oid.equals(Extension.cRLNumber)) {
buf.append(
new CRLNumber(ASN1Integer.getInstance(dIn.readObject()).getPositiveValue()))
.append(nl);
} else if (oid.equals(Extension.deltaCRLIndicator)) {
buf.append(
"Base CRL: "
+ new CRLNumber(
ASN1Integer.getInstance(dIn.readObject()).getPositiveValue()))
.append(nl);
} else if (oid.equals(Extension.issuingDistributionPoint)) {
buf.append(IssuingDistributionPoint.getInstance(dIn.readObject())).append(nl);
} else if (oid.equals(Extension.cRLDistributionPoints)) {
buf.append(CRLDistPoint.getInstance(dIn.readObject())).append(nl);
} else if (oid.equals(Extension.freshestCRL)) {
buf.append(CRLDistPoint.getInstance(dIn.readObject())).append(nl);
} else {
buf.append(oid.getId());
buf.append(" value = ").append(ASN1Dump.dumpAsString(dIn.readObject())).append(nl);
}
} catch (Exception ex) {
buf.append(oid.getId());
buf.append(" value = ").append("*****").append(nl);
}
} else {
buf.append(nl);
}
}
}
Set set = getRevokedCertificates();
if (set != null) {
Iterator it = set.iterator();
while (it.hasNext()) {
buf.append(it.next());
buf.append(nl);
}
}
return buf.toString();
}
