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  Classes of Nathan Lucas  >  Cipher  >  example/cookie.php  >  Download  
File: example/cookie.php
Role: Example script
Content type: text/plain
Description: Cookie example.
Class: Cipher
Encrypt and decrypt data with a single key
Author: By
Last change: Changed example with a more practical one.
Date: 2008-04-02 07:00
Size: 396 bytes
 

Contents

Class file image Download
<?php
require_once("./Cipher.php");
$cipher = new Cipher;

if (!isset($_COOKIE['c_data'])) {
    $data = $cipher->encrypt("some data", "a key");
    $iv = $cipher->getIV();

    setcookie("c_data", $data, time()+3600);
    setcookie("c_iv", $iv, time()+3600);
} else {
    $iv = $_COOKIE['c_iv'];
    $data = $_COOKIE['c_data'];
    echo $cipher->decrypt($data, "a key", $iv);
}
?>