PORT_Free(derSerial.data);
nss3certificate_getDERSerialNumber(nssDecodedCert *dc,                                    NSSDER *serial, NSSArena *arena){    CERTCertificate *cc = (CERTCertificate *)dc->data;    SECItem derSerial = { 0 };    SECStatus secrv;    secrv = CERT_SerialNumberFromDERCert(&cc->derCert, &derSerial);    if (secrv == SECSuccess) {	(void)nssItem_Create(arena, serial, derSerial.len, derSerial.data);	return PR_SUCCESS;    }    return PR_FAILURE;}