Laravel workaround for broken openssl

AppServiceProvider.php

<?php
// app/Providers/AppServiceProvider.php
namespace App\Providers;

use Illuminate\Support\ServiceProvider;

class AppServiceProvider extends ServiceProvider
{
    public function register()
    {
        $this->app->singleton(
            'encrypter',
            function ($app) {
                $config = $app->make('config')->get('app');

                // If the key starts with "base64:", we will need to decode the key before handing
                // it off to the encrypter. Keys may be base-64 encoded for presentation and we
                // want to make sure to convert them back to the raw bytes before encrypting.
                if (\Illuminate\Support\Str::startsWith($key = $config['key'], 'base64:')) {
                    $key = base64_decode(substr($key, 7));
                }

                return new \App\Encrypter($key, $config['cipher']);
            }
        );
    }
}

Encrypter.php

<?php
// app/Encrypter.php
namespace App;

use Illuminate\Encryption\Encrypter as BaseEncrypter;
use Illuminate\Encryption\EncryptException;

class Encrypter extends BaseEncrypter
{
    /**
     * Encrypt the given value.
     *
     * @param  string  $value
     * @return string
     *
     * @throws \Illuminate\Contracts\Encryption\EncryptException
     */
    public function encrypt($value)
    {
        //$iv = random_bytes(16);
        $iv = null;
        $value = @\openssl_encrypt(serialize($value), $this->cipher, $this->key, 0, $iv);
        if ($value === false) {
            throw new EncryptException('Could not encrypt the data.');
        }
        // Once we have the encrypted value we will go ahead base64_encode the input
        // vector and create the MAC for the encrypted value so we can verify its
        // authenticity. Then, we'll JSON encode the data in a "payload" array.
        $mac = $this->hash($iv = base64_encode($iv), $value);
        $json = json_encode(compact('iv', 'value', 'mac'));
        if (! is_string($json)) {
            throw new EncryptException('Could not encrypt the data.');
        }
        return base64_encode($json);
    }
}