}
@Override
public DataEncryptionKey getDataEncryptionKey() throws IOException {
try {
GetDataEncryptionKeyResponseProto rsp = rpcProxy.getDataEncryptionKey(
null, VOID_GET_DATA_ENCRYPTIONKEY_REQUEST);
return rsp.hasDataEncryptionKey() ?
PBHelper.convert(rsp.getDataEncryptionKey()) : null;
} catch (ServiceException e) {
throw ProtobufHelper.getRemoteException(e);
}
}