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<?php
/**
* ADOdb Session Management
*
* This file is part of ADOdb, a Database Abstraction Layer library for PHP.
*
* @package ADOdb
* @link https://adodb.org Project's web site and documentation
* @link https://github.com/ADOdb/ADOdb Source code and issue tracker
*
* The ADOdb Library is dual-licensed, released under both the BSD 3-Clause
* and the GNU Lesser General Public Licence (LGPL) v2.1 or, at your option,
* any later version. This means you can use it in proprietary products.
* See the LICENSE.md file distributed with this source code for details.
* @license BSD-3-Clause
* @license LGPL-2.1-or-later
*
* @copyright 2000-2013 John Lim
* @copyright 2014 Damien Regad, Mark Newnham and the ADOdb community
* @author Ari Kuorikoski <ari.kuorikoski@finebyte.com>
*/
class MD5Crypt{
function keyED($txt,$encrypt_key)
{
$encrypt_key = md5($encrypt_key);
$ctr=0;
$tmp = "";
for ($i=0;$i<strlen($txt);$i++){
if ($ctr==strlen($encrypt_key)) $ctr=0;
$tmp.= substr($txt,$i,1) ^ substr($encrypt_key,$ctr,1);
$ctr++;
}
return $tmp;
}
function Encrypt($txt,$key)
{
$encrypt_key = md5(rand(0,32000));
$ctr=0;
$tmp = "";
for ($i=0;$i<strlen($txt);$i++)
{
if ($ctr==strlen($encrypt_key)) $ctr=0;
$tmp.= substr($encrypt_key,$ctr,1) .
(substr($txt,$i,1) ^ substr($encrypt_key,$ctr,1));
$ctr++;
}
return base64_encode($this->keyED($tmp,$key));
}
function Decrypt($txt,$key)
{
$txt = $this->keyED(base64_decode($txt),$key);
$tmp = "";
for ($i=0;$i<strlen($txt);$i++){
$md5 = substr($txt,$i,1);
$i++;
$tmp.= (substr($txt,$i,1) ^ $md5);
}
return $tmp;
}
function RandPass()
{
$randomPassword = "";
for($i=0;$i<8;$i++)
{
$randnumber = rand(48,120);
while (($randnumber >= 58 && $randnumber <= 64) || ($randnumber >= 91 && $randnumber <= 96))
{
$randnumber = rand(48,120);
}
$randomPassword .= chr($randnumber);
}
return $randomPassword;
}
}
class SHA1Crypt{
function keyED($txt,$encrypt_key)
{
$encrypt_key = sha1($encrypt_key);
$ctr=0;
$tmp = "";
for ($i=0;$i<strlen($txt);$i++){
if ($ctr==strlen($encrypt_key)) $ctr=0;
$tmp.= substr($txt,$i,1) ^ substr($encrypt_key,$ctr,1);
$ctr++;
}
return $tmp;
}
function Encrypt($txt,$key)
{
$encrypt_key = sha1(rand(0,32000));
$ctr=0;
$tmp = "";
for ($i=0;$i<strlen($txt);$i++)
{
if ($ctr==strlen($encrypt_key)) $ctr=0;
$tmp.= substr($encrypt_key,$ctr,1) .
(substr($txt,$i,1) ^ substr($encrypt_key,$ctr,1));
$ctr++;
}
return base64_encode($this->keyED($tmp,$key));
}
function Decrypt($txt,$key)
{
$txt = $this->keyED(base64_decode($txt),$key);
$tmp = "";
for ($i=0;$i<strlen($txt);$i++){
$sha1 = substr($txt,$i,1);
$i++;
$tmp.= (substr($txt,$i,1) ^ $sha1);
}
return $tmp;
}
function RandPass()
{
$randomPassword = "";
for($i=0;$i<8;$i++)
{
$randnumber = rand(48,120);
while (($randnumber >= 58 && $randnumber <= 64) || ($randnumber >= 91 && $randnumber <= 96))
{
$randnumber = rand(48,120);
}
$randomPassword .= chr($randnumber);
}
return $randomPassword;
}
}
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