* @param trustStore The configured TrustStore.
*
* @return The parameters including the CRLs and TrustStore.
*/
protected CertPathParameters getParameters(String algorithm, String crlf, KeyStore trustStore) throws Exception {
CertPathParameters params;
if ("PKIX".equalsIgnoreCase(algorithm)) {
PKIXBuilderParameters xparams = new PKIXBuilderParameters(trustStore, new X509CertSelector());
Collection crls = getCRLs(crlf);
CertStoreParameters csp = new CollectionCertStoreParameters(crls);
CertStore store = CertStore.getInstance("Collection", csp);