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  Classes of André Liechti  >  Secure Token Grid Authentication  >  tokengrid.demo.php  >  Download  
File: tokengrid.demo.php
Role: Example script
Content type: text/plain
Description: Simple demo file
Class: Secure Token Grid Authentication
Generate grid of tokens, authenticate user with it
Author: By
Last change: Comments update
Date: 6 years ago
Size: 2,647 bytes
 

Contents

Class file image Download
<?php

/*********************************************************************
 *
 * tokengrid, a strong authentication token grid PHP class
 *
 * Demo file, require tokengrid.class.php
 *
 *********************************************************************/

require_once('tokengrid.class.php');

?>
<html>
    <head>
        <title>
            Strong Authentication Token Grid demo
        </title>
        <style>
            table,th,td {
                border: 1px solid #000000;
                border-collapse: collapse;
                font-family: Verdana;
                padding: 5px;
                text-align: center;
            }
        </style>
    </head>
    <body>
        <form method="post" action="<?php echo $_SERVER['PHP_SELF']; ?>">
        <?php
            $x_grid_size 
10;
            
$y_grid_size 10;
            
$token_length 4;
            
$grid_id 'demo-grid-2008';
            
$grid_salt 'tokengridDEMO';
            
            
$token_grid = new TokenGrid($x_grid_size$y_grid_size$token_length$grid_salt);

            if ((isset(
$_POST['token'])) && (isset($_POST['position'])))
            {
                
$token $_POST['token'];
                
$position $_POST['position'];
                
                if (
$token_grid->IsTokenValid($position$grid_id$token))
                {
                    echo 
"Yes, the last token at position ".$position." was correct (".$token.")";
                    echo 
"<br /><br />";
                }
                else
                {
                    echo 
"NO, the last token at position ".$position." was incorrect (".$token.")";
                    echo 
"<br /><br />";
                }
            }

            echo 
"<h3>Here is your personal token grid (normally printed on a separate credit card sized paper)</h3>";
            echo 
"<br />";
            echo 
$token_grid->GetXhtmlGrid($grid_id);
            echo 
"TokenGrid ID: ".$grid_id;
            echo 
"<br /><br />";
            
            
$random_position $token_grid->GetRandomGridPosition($grid_id);
            
            echo 
"Check your TokenGrid at this position: <b>";
            echo 
$random_position;
            echo 
"</b>";
            echo 
" <input type=\"text\" size=\"10\" value=\"\" name=\"token\" id=\"token\" />";
            echo 
" <input type=\"hidden\" value=\"".$random_position."\" name=\"position\" id=\"position\" />";
            echo 
" <input type=\"submit\" value=\"Submit\" name=\"submit\" id=\"submit\" />";
        
?>
        </form>
    </body>
<html>