/**
  * @ControllerManaged
  */
 protected function createSshKey()
 {
     $publicKey = $this->backupService->createSshKey($this->configService->getPrivateKeyFilename());
     $this->configService->setPublicKey($publicKey);
     return array('preconditionsHtml' => $this->renderPreconditionsHtml(), 'publicKeyHtml' => $this->renderPublicKeyHtml());
 }