Method generateKey

/**
 * Method to generate a new encryption key object.
 *
 * @param   array  $options  Key generation options.
 *
 * @return  Key
 *
 * @since   3.5
 * @throws  \RuntimeException
 */
public function generateKey(array $options = array())
{
    // Generate the encryption key.
    try {
        $public = \Crypto::CreateNewRandomKey();
    } catch (\CryptoTestFailedException $ex) {
        throw new \RuntimeException('Cannot safely create a key', $ex->getCode(), $ex);
    } catch (\CannotPerformOperationException $ex) {
        throw new \RuntimeException('Cannot safely create a key', $ex->getCode(), $ex);
    }
    // Explicitly flag the private as unused in this cipher.
    $private = 'unused';
    return new Key('crypto', $private, $public);
}