htdocs/javascript/motdepasse.js

   1 /***************************************************************************
   2  *  Copyright (C) 2003-2006 Polytechnique.org                              *
   3  *  http://opensource.polytechnique.org/                                   *
   4  *                                                                         *
   5  *  This program is free software; you can redistribute it and/or modify   *
   6  *  it under the terms of the GNU General Public License as published by   *
   7  *  the Free Software Foundation; either version 2 of the License, or      *
   8  *  (at your option) any later version.                                    *
   9  *                                                                         *
  10  *  This program is distributed in the hope that it will be useful,        *
  11  *  but WITHOUT ANY WARRANTY; without even the implied warranty of         *
  12  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the          *
  13  *  GNU General Public License for more details.                           *
  14  *                                                                         *
  15  *  You should have received a copy of the GNU General Public License      *
  16  *  along with this program; if not, write to the Free Software            *
  17  *  Foundation, Inc.,                                                      *
  18  *  59 Temple Place, Suite 330, Boston, MA  02111-1307  USA                *
  19  ***************************************************************************/
  20
  21 document.write('<script language="javascript" src="javascript/secure_hash.js"></script>');
  22
  23 function EnCryptedResponse() {
  24     pw1 = document.forms.changepass.nouveau.value;
  25     pw2 = document.forms.changepass.nouveau2.value;
  26     if (pw1 != pw2) {
  27         alert ("\nErreur : les deux champs ne sont pas identiques !")
  28             return false;
  29         exit;
  30     }
  31     if (pw1.length < 6) {
  32         alert ("\nErreur : le nouveau mot de passe doit faire au moins 6 caractères !")
  33             return false;
  34         exit;
  35     }
  36
  37     old_pass = hash_encrypt(document.forms.changepass.ancien.value);
  38
  39     str = old_pass + ":" +
  40         document.forms.changepass.challenge.value;
  41     document.forms.changepass2.response.value = hash_encrypt(str);
  42
  43     str = hash_xor(hash_encrypt(document.forms.changepass.nouveau.value), old_pass);
  44     document.forms.changepass2.response2.value = str;
  45
  46     alert ("Le mot de passe que tu as rentré va être chiffré avant de nous parvenir par Internet ! Ainsi il ne circulera pas en clair.");
  47     document.forms.changepass2.submit();
  48     return true;
  49 }