public function getProcessData($name)
    {
        if ($this->_processHandler) {
            switch ($name) {
            case 'SignatureInfo':
                if ($data = $this->_processHandler->getData('SigCreated')) {
                    return new Crypt_GPG_SignatureCreationInfo($data);
                }
                break;

            case 'Signatures':
            case 'Warnings':
                return (array) $this->_processHandler->getData($name);

            default:
                return $this->_processHandler->getData($name);
            }
        }
    }