Edit File: update_appkey.php
<?php @unlink('update_appkey.php'); //Required to autoload the namespaces require_once 'vendor/autoload.php'; $key = \Defuse\Crypto\Key::createNewRandomKey(); $privateKey = openssl_pkey_new([ 'private_key_bits' => 2048, 'private_key_type' => OPENSSL_KEYTYPE_RSA, ]); openssl_pkey_export($privateKey, $apiPrivateKey); $apiPublicKey = openssl_pkey_get_details($privateKey)['key']; echo '<publickey>'.$apiPublicKey.'</publickey>'; echo '<privatekey>'.$apiPrivateKey.'</privatekey>'; ?>