PHP Classes

gpass: Authenticate users with graphical images

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Version License PHP version Categories
gpass 0.1GNU General Publi...5.0PHP 5, Graphics, User Management
Description 

Author

Miguel

This class can authenticate users with graphical images.

It generates HTML with JavaScript to display a series of images that correspond code letters relative to a reference image that form the user password.

As the user clicks on the images, a hidden form input is updated with the images codes.

The class can process the submitted form and decode the submitted password code.

Innovation Award
PHP Programming Innovation award nominee
December 2015
Number 6

Prize: One subscription to the PDF edition of the PHP Architect magazine		 Text based passwords are often easy to crack because users choose obvious words for the passwords.

This class lets users choose passwords and authenticate with graphical images that are mapped to password characters. The users click on the images to enter the passwords.

This way the associated text passwords are not made of words that would be easy to crack.

Manuel Lemos
Picture of Miguel
  Performance   Level  

Level 2 StarStar

 Innovation award
Innovation award
Nominee: 2x

 

Example

<?php
require("gPass.class.php");
?>
<!DOCTYPE>
<html|>

<head>
    <title>gPass Test</title>
    <script src='https://ajax.googleapis.com/ajax/libs/jquery/2.1.3/jquery.min.js'></script>
</head>

<body>
    <h1>Please Select 5 Images</h1>
    <?php
        $n=new gPass();
        //some changes
        $n->lenTag=25;
        $n->codePosition=18;
        $n->sizeImages=32;
        //generate code JS (with Jquery)
        echo $n->generateJs();
        //generate panel with images
        echo $n->generateBoard();

        //if request post is true decodekeys return the code
        $key= $n->decodeKeys();
        //your code here (example)
        if($key!=null){
            foreach($key as $img)
                echo "Image selected ".$img."<br/>";
        }
    ?>
</body>

</html>


  Files folder image Files (22)  
File Role Description
Files folder imageicons (20 files)
Plain text file gPass.class.php Class class
Accessible without login Plain text file test.php Example example

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