log.trace(">getIssuerDN(crl)");
}*/
String dn = null;
try {
CertificateFactory cf = CertTools.getCertificateFactory();
X509CRL x509crl = (X509CRL) cf.generateCRL(new ByteArrayInputStream(crl.getEncoded()));
//log.debug("Created certificate of class: " + x509crl.getClass().getName());
dn = x509crl.getIssuerDN().toString();
} catch (CRLException ce) {
log.error("CRLException: ", ce);
return null;