Subversion-Projekte lars-tiefland.content-management

<?php
// Verschlüsselungsalgorithmus
function pre($_x)
{
        print( "<pre>" );
        print_r($_x);
        print( "</pre>" );
}

// 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"; }
        }
?>

<? show_source(__FILE__) ?>