WVrRM0sC

1<?php
2
3namespace AppBundle\Service;
4
5use Symfony\Component\DependencyInjection\ContainerInterface;
6
7/**
8 * Class Crypter
9 * @package AppBundle\Service
10 */
11class Crypter
12{
13    /**
14     * @var string $encryptMethod
15     */
16    private $encryptMethod;
17
18    /**
19     * @var string $secretKey
20     */
21    private $secretKey;
22
23    /**
24     * @var string $secretIv
25     */
26    private $secretIv;
27
28    /**
29     * @var bool|string $iv
30     */
31    private $iv;
32
33    /**
34     * @var string $key
35     */
36    private $key;
37
38    /**
39     * Crypter constructor.
40     * @param ContainerInterface $container
41     */
42    public function __construct(ContainerInterface $container)
43    {
44        $this->encryptMethod = "AES-256-CBC";
45        $this->secretKey = $container->getParameter('secretKey');
46        $this->secretIv = $container->getParameter('secretIv');
47        $this->iv = substr(hash('sha256', $this->secretIv), 0, 16);
48        $this->key = hash('sha256', $this->secretKey);
49    }
50
51    /**
52     * @param string $string
53     * @return string
54     */
55    public function encrypt(string $string): string
56    {
57        return base64_encode(openssl_encrypt($string, $this->encryptMethod, $this->key, 0, $this->iv));
58    }
59
60    /**
61     * @param string $string
62     * @return string
63     */
64    public function decrypt(string $string): string
65    {
66        return openssl_decrypt(base64_decode($string), $this->encryptMethod, $this->key, 0, $this->iv);
67    }
68}