- substr: documentation ( source)
- base64_decode: documentation ( source)
- json_encode: documentation ( source)
<?
$key= json_encode(array("showpassword"=>"no", "bgcolor"=>"#ffffff"));
$data=base64_decode('ClVLIh4ASCsCBE8lAxMacFMZV2hdVVotEhhUJQNVAmhSEV4sFxFeaAw');
function xor_encrypt($text, $key) {
$key= json_encode(array("showpassword"=>"no", "bgcolor"=>"#ffffff"));
$outText = '';
// Iterate through each character
for($i=0;$i<strlen($text);$i++) {
$outText .= $text[$i] ^ $key[$i % strlen($key)];
}
return $outText;
}
echo $key=xor_encrypt($data,$key);
echo xor_encrypt(json_encode(array("showpassword"=>"yes", "bgcolor"=>"#ffffff")),substr($key,0,4));
?>