AbstractKey.php 1.61 KB
Newer Older
Ketan's avatar
Ketan committed
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90
<?php
/**
 * Zend Framework (http://framework.zend.com/)
 *
 * @link      http://github.com/zendframework/zf2 for the canonical source repository
 * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
 * @license   http://framework.zend.com/license/new-bsd New BSD License
 */

namespace Zend\Crypt\PublicKey\Rsa;

abstract class AbstractKey
{
    const DEFAULT_KEY_SIZE = 2048;

    /**
     * PEM formatted key
     *
     * @var string
     */
    protected $pemString = null;

    /**
     * Key Resource
     *
     * @var resource
     */
    protected $opensslKeyResource = null;

    /**
     * Openssl details array
     *
     * @var array
     */
    protected $details = [];

    /**
     * Get key size in bits
     *
     * @return int
     */
    public function getSize()
    {
        return $this->details['bits'];
    }

    /**
     * Retrieve openssl key resource
     *
     * @return resource
     */
    public function getOpensslKeyResource()
    {
        return $this->opensslKeyResource;
    }

    /**
     * Encrypt using this key
     *
     * @abstract
     * @param string $data
     * @return string
     */
    abstract public function encrypt($data);

    /**
     * Decrypt using this key
     *
     * @abstract
     * @param string $data
     * @return string
     */
    abstract public function decrypt($data);

    /**
     * Get string representation of this key
     *
     * @abstract
     * @return string
     */
    abstract public function toString();

    /**
     * @return string
     */
    public function __toString()
    {
        return $this->toString();
    }
}