Subversion-Projekte lars-tiefland.content-management

<?php
// Verschlüsselungsalgorithmus
function pre($_x)
{
        print( "<pre>" );
        print_r($_x);
        print( "</pre>" );
}
/*
$_a = array(
                                        0 => "2",
                                        1 => "4",
                                        2 => "8",
                                        3 => "16",
                                        4 => "32",
                                        5 => "64",
                                        6 => "128",
                                        7 => "256",
                                        8 => "512",
                                        9 => "1024",
                                        10 => "2048",
                                        11 => "4096",
                                        12 => "8192",
                                        13 => "16384"
                        );


$a = "01012005120053";


$a = preg_split('//', $a, -1, PREG_SPLIT_NO_EMPTY);

function _crypt($_o, $_a)
{
        foreach(array_keys($_o) AS $elem)
        {
                $_n[]=dechex(ord($_o[$elem])*$_a[$elem]);
                echo $_n[$elem].".";
        }
        
        // return($_n);
}

function _ncrypt($_n, $_a)
{
        foreach(array_keys($_n) AS $elem)
        {
                $_o[]=chr(hexdec($_n[$elem])/($_a[$elem]));
        }
        return($_o);
}

$n = _crypt($a,$_a);

pre($n);

pre(_ncrypt($n,$_a));
*/


// test
$a[]="01012005120053";
$a[]="100.00";
$a[]="markus@niewerth.com";

foreach(array_keys($a) AS $elem)
{       
        $b[$elem] = sprintf("%u",crc32(md5($a[$elem])));
        $b[$elem] = wordwrap( $b[$elem] , 2 , "###", 1);
        $a_[$elem] = explode("###",$b[$elem]);
}

foreach(array_keys($a_) as $elem)
{
        foreach(array_keys($a_[$elem]) as $key)
        {
                $x[]=dechex($a_[$elem][$key]);
        }
}

$key="";

for($i=0;$i<count($x);$i++)
{
        $key .= strtoupper($x[$i]).( ($i%5==0 && $i!=0) ? "-" : "");
}

pre($key);


?>
<form name="form1" method="post" action="">
  <input name="code" type="text" id="code">
  <input type="submit" name="submit" value="Abschicken">
</form>

<?
        if($_POST['submit'])
        {
                // Ncode
                $ncode="";
                $code = str_replace("-", "", $_POST['code']);
                $code = wordwrap( $code , 2 , "###", 1);
                $code = explode("###",$code);
                foreach(array_keys($code) AS $elem)
                {
                        $ncode.=hexdec($code[$elem]);
                }
                                
                $ncode = wordwrap( $ncode , 10 , "-", 1);
                $ncode = explode( "-", $ncode );
                $ncode = $ncode[0]."-".$ncode[1]."-".$ncode[2];
                // Vcode
                foreach(array_keys($a) AS $elem)
                {       
                        $b[$elem] = sprintf("%u",crc32(md5($a[$elem])));
                }               
                $vcode = $b[0]."-".$b[1]."-".$b[2];     
                echo "NCode:$ncode<br>";
                echo "VCode:$vcode<br>";
                if($ncode!=$vcode) { echo "Der code war nicht richtig!"; }else{ echo "Dies war ein gülltiger code"; }
        }
?>