“Cryptage symétrique en php” Réponses codées

Cryptage symétrique en php

<?php
$plaintext = "Your sensitive message";
$cipher = "AES-128-CTR";
$key = "Blog Desire";
$iv = "1232434565432123";
$ciphertext = openssl_encrypt($plaintext, $cipher, $key, $options=0, $iv);
echo $ciphertext;