Dcrypt\OpenSSL

Complexity

Total Complexity

4

Size/Duplication

Total Lines	49
Duplicated Lines	0 %

Coupling/Cohesion

Components	0
Dependencies	0

Importance

Changes

0

3 Methods

Rating	Name	Duplication	Size	Complexity
A	openssl_encrypt()	0	6	1
A	openssl_decrypt()	0	6	1
A	returnOpensslOutput()	0	8	2

<?php


/**

 * OpenSSL.php

 *

 * PHP version 7

 *

 * @category Dcrypt

 * @package  Dcrypt

 * @author   Michael Meyer (mmeyer2k) <m.meyer2k@gmail.com>

 * @license  http://opensource.org/licenses/MIT The MIT License (MIT)

 * @link     https://github.com/mmeyer2k/dcrypt

 */


namespace Dcrypt;


class OpenSSL

{

    /**

     * OpenSSL encrypt wrapper function

     *

     * @param string $data

     * @param string $method

     * @param string $key

     * @param string $iv

     * @return string

     */

    protected static function openssl_encrypt(string $data, string $method, string $key, string $iv): string

    {

        $ret = \openssl_encrypt($data, $method, $key, 1, $iv);


        return self::returnOpensslOutput($ret);

    }


    /**

     * OpenSSL decrypt wrapper function

     *

     * @param string $data

     * @param string $method

     * @param string $key

     * @param string $iv

     * @return string

     */

    protected static function openssl_decrypt(string $data, string $method, string $key, string $iv): string

    {

        $ret = \openssl_decrypt($data, $method, $key, 1, $iv);


        return self::returnOpensslOutput($ret);

    }


    /**

     * Throw an exception if openssl function returns false

     *

     * @param string $data

     * @throws \Exception

     */

    private static function returnOpensslOutput(string $data): string

    {

        if ($data === false) {

            throw new \Exception('OpenSSL failed to encrypt/decrypt message.');

        }


        return $data;

    }

}