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  Classes of André Liechti  >  Secure Token Grid Authentication  >  README.TXT  >  Download  
File: README.TXT
Role: Documentation
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Description: README FILE
Class: Secure Token Grid Authentication
Generate grid of tokens, authenticate user with it
Author: By
Last change: Priority change
Date: 14 years ago
Size: 2,400 bytes
 

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tokengrid, a strong authentication token grid PHP class Last update: 2008-04-23, release 1.3 The tokengrid class is a Strong Authentication Token Grid solution to secure the access to sensitive data through the Internet. It is a good protection against Sniffing and Phishing processes. This kind of token cards are also used by some Swiss Banks for authentication purpose. This class provides everything to implement a complete solution, including ready to print token grids in XHTML format. Array-based intermediate output can be used to produce PDF token grids using for example TCPDF (www.tcpdf.org). USAGE require_once('tokengrid.class.php'); $token_grid = new TokenGrid([$x_grid_size = 10[, $y_grid_size = 10[, $token_length = 4[, $grid_salt = 'T@kenGr!D']]]]) EXAMPLES Example 1 (create a grid) require_once('tokengrid.class.php'); $token_grid = new TokenGrid(10, 10, 4, "MySalt"); echo $token_grid->GetXhtmlGrid("SpecificUserId"); Example 2 (ask for a token) require_once('tokengrid.class.php'); $token_grid = new TokenGrid(10, 10, 4, "MySalt"); $random_position = $token_grid->GetRandomGridPosition("SpecificUserId"); echo "Please enter the token at the position ".$random_position; Example 3 (check a token) require_once('tokengrid.class.php'); $token_grid = new TokenGrid(10, 10, 4, "MySalt"); if ($token_grid->CheckToken($_POST['random_position'], 'SpecificUserId', $_POST['token'])) { echo "Token is valid"; } LICENCE Copyright (c) 2008, SysCo systemes de communication sa SysCo (tm) is a trademark of SysCo systemes de communication sa (http://www.sysco.ch/) All rights reserved. The tokengrid class is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. The tokengrid class is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with the tokengrid class If not, see <http://www.gnu.org/licenses/>.