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;
}
/**
* 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();
}