Subversion-Projekte lars-tiefland.content-management

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Revision Autor Zeilennr. Zeile
1 lars 1 
 
2 
<?php
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// Verschlüsselungsalgorithmus
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function pre($_x)
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{
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	print( "<pre>" );
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	print_r($_x);
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	print( "</pre>" );
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}
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/*
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$_a = array(
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					1 => "4",
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					2 => "8",
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					3 => "16",
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					4 => "32",
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					5 => "64",
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					6 => "128",
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					7 => "256",
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					8 => "512",
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					9 => "1024",
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					10 => "2048",
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					11 => "4096",
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					12 => "8192",
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					13 => "16384"
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			);
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$a = "01012005120053";
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$a = preg_split('//', $a, -1, PREG_SPLIT_NO_EMPTY);
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function _crypt($_o, $_a)
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{
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	foreach(array_keys($_o) AS $elem)
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	{
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		$_n[]=dechex(ord($_o[$elem])*$_a[$elem]);
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		echo $_n[$elem].".";
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	}
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	// return($_n);
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}
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function _ncrypt($_n, $_a)
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{
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	foreach(array_keys($_n) AS $elem)
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	{
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		$_o[]=chr(hexdec($_n[$elem])/($_a[$elem]));
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	}
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	return($_o);
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}
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$n = _crypt($a,$_a);
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pre($n);
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pre(_ncrypt($n,$_a));
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*/
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// test
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$a[]="01012005120053";
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$a[]="100.00";
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$a[]="markus@niewerth.com";
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foreach(array_keys($a) AS $elem)
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{
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	$b[$elem] = sprintf("%u",crc32(md5($a[$elem])));
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	$b[$elem] = wordwrap( $b[$elem] , 2 , "###", 1);
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	$a_[$elem] = explode("###",$b[$elem]);
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}
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foreach(array_keys($a_) as $elem)
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{
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	foreach(array_keys($a_[$elem]) as $key)
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	{
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		$x[]=dechex($a_[$elem][$key]);
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	}
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}
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$key="";
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for($i=0;$i<count($x);$i++)
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{
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	$key .= strtoupper($x[$i]).( ($i%5==0 && $i!=0) ? "-" : "");
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}
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pre($key);
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?>
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<form name="form1" method="post" action="">
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  <input name="code" type="text" id="code">
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  <input type="submit" name="submit" value="Abschicken">
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</form>
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<?
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	if($_POST['submit'])
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	{
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		// Ncode
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		$ncode="";
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		$code = str_replace("-", "", $_POST['code']);
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		$code = wordwrap( $code , 2 , "###", 1);
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		$code = explode("###",$code);
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		foreach(array_keys($code) AS $elem)
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		{
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			$ncode.=hexdec($code[$elem]);
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		}
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		$ncode = wordwrap( $ncode , 10 , "-", 1);
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		$ncode = explode( "-", $ncode );
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		$ncode = $ncode[0]."-".$ncode[1]."-".$ncode[2];
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		// Vcode
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		foreach(array_keys($a) AS $elem)
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		{
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			$b[$elem] = sprintf("%u",crc32(md5($a[$elem])));
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		}
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		$vcode = $b[0]."-".$b[1]."-".$b[2];
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		echo "NCode:$ncode<br>";
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		echo "VCode:$vcode<br>";
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		if($ncode!=$vcode) { echo "Der code war nicht richtig!"; }else{ echo "Dies war ein gülltiger code"; }
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	}
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?>