| protected _xor_merge ( $string, $key ) : string | ||
| return | string | |
protected function _xor_merge($string, $key)
{
$hash = $this->hash($key);
$str = '';
for ($i = 0, $ls = strlen($string), $lh = strlen($hash); $i < $ls; $i++) {
$str .= $string[$i] ^ $hash[$i % $lh];
}
return $str;
}