AbstractBackend.php

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<?php
namespace TYPO3\CMS\Rsaauth\Backend;

/*
 * This file is part of the TYPO3 CMS project.
 *
 * It is free software; you can redistribute it and/or modify it under
 * the terms of the GNU General Public License, either version 2
 * of the License, or any later version.
 *
 * For the full copyright and license information, please read the
 * LICENSE.txt file that was distributed with this source code.
 *
 * The TYPO3 project - inspiring people to share!
 */

abstract class AbstractBackend
{
    protected $error = '';

    abstract public function createNewKeyPair();

    abstract public function decrypt($privateKey, $data);

    abstract public function isAvailable();

    public function getLastError()
    {
        return $this->error;
    }
}