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File: adodb/session/old/crypt.inc.php

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  Classes of Isaac Trenado Mx   PHP MySQL JSON Manager   adodb/session/old/crypt.inc.php   Download  
File: adodb/session/old/crypt.inc.php
Role: Auxiliary script
Content type: text/plain
Description: ADOBPHP Download for more information
Class: PHP MySQL JSON Manager
Build and Execute SQL queries with results in JSON
Author: By
Last change:
Date: 8 years ago
Size: 1,426 bytes
 

Contents

Class file image Download
<?php
// Session Encryption by 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)
        {
               
srand((double)microtime()*1000000);
               
$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 = "";
               
srand((double)microtime()*1000000);
                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;
        }

}
?>