certIssuerTag = new ASN1TaggedType(CERT_ISSUER_TYPE, certIssuer, false,
true);
authorityKeyIdentifier.add(certIssuerTag);
certSerialNumber = new ASN1Integer();
certSerialNumberTag = new ASN1TaggedType(CERT_SERIAL_NUMBER_TYPE,
certSerialNumber, false, true);
authorityKeyIdentifier.add(certSerialNumberTag);
setValue(authorityKeyIdentifier);