<?php
/**
 * Zend Framework (http://framework.zend.com/)
 *
 * @link      http://github.com/zendframework/zf2 for the canonical source repository
 * @copyright Copyright (c) 2005-2012 Zend Technologies USA Inc. (http://www.zend.com)
 * @license   http://framework.zend.com/license/new-bsd New BSD License
 * @package   Zend_Filter
 */

namespace Zend\Filter\Encrypt;

/**
 * Encryption interface
 *
 * @category   Zend
 * @package    Zend_Filter
 */
interface EncryptionAlgorithmInterface
{
    /**
     * Encrypts $value with the defined settings
     *
     * @param  string $value Data to encrypt
     * @return string The encrypted data
     */
    public function encrypt($value);

    /**
     * Decrypts $value with the defined settings
     *
     * @param  string $value Data to decrypt
     * @return string The decrypted data
     */
    public function decrypt($value);

    /**
     * Return the adapter name
     *
     * @return string
     */
    public function toString();
}
