1. Go to this page and download the library: Download duzun/cycle-crypt library. Choose the download type require.
2. Extract the ZIP file and open the index.php.
3. Add this code to the index.php.
<?php
require_once('vendor/autoload.php');
/* Start to develop here. Best regards https://php-download.com/ */
duzun / cycle-crypt example snippets
// index.php
use function duzun\cycleCrypt;
$key = '*** *** ***'; // any length
$message = 'Lorem Ipsum is simply dummy text of the printing industry...';
$ciphered = cycleCrypt($key, $message, true);
// send $ciphered to the client
echo base64_encode($ciphered);
// index.php
// ...
$salt = random_bytes(17); // any length
$ciphered = cycleCrypt($key, $message, $salt);
// Have to send the salt to the client too
echo json_encode([
'salt' => base64_encode($salt),
'ciphered' => base64_encode($ciphered)
]);