if (nssHash_Exists(store->issuer_and_serial, cert)) {
entry = (certificate_hash_entry *) nssHash_Lookup(store->issuer_and_serial, cert); if (entry && entry->cert == cert) {
nssCertificateStore_Remove(  nssCertificateStore *store,  NSSCertificate *cert){    PZ_Lock(store->lock);    if (nssHash_Exists(store->issuer_and_serial, cert)) {	remove_certificate_entry(store, cert);	remove_subject_entry(store, cert);	NSSCertificate_Destroy(cert); /* release the store's reference */    }    PZ_Unlock(store->lock);}