<?php $pkey = '/etc/httpd/conf/ssl.crt/server.crt'; openssl_public_encrypt($_POST['$carte_credit'], $cryptnum, $pkey); $sql = sprintf("INSERT INTO Achat (id_user, numero_carte) values(%d, '%s')",$_SESSION['id_user'], addslashes($cryptnum)); database_query($sql) or die('Insertion impossible'); ?>