For mein nazi

function yencFileEncode($fileName, $linelen = 128, $crc32 = true) {
    $string = NULL;
    $encoded = "";
    if ($fp = @fopen($fileName, "rb")) {
        while (!feof($fp))
            $string .= fread($fp, 8192);
        fclose($fp);
        if ($linelen > 254)
            $linelen = 254;

        if ($linelen < 1) {
            $this->error = "$linelen is not a valid line length.";
            return false;
        }

        for ($i = 0; $i < strlen($string); $i++) {
            $value = (ord($string{$i}) + 42) % 256;
            if ($value == 0 || $value == 9 || $value == 10 || $value == 13 || $value == 32 || $value == 46 || $value == 61)
                $encoded .= "=" . chr(($value + 64) % 256);
            else
                $encoded .= chr($value);
        }

        $encoded = trim(chunk_split($encoded, $linelen));

        $encoded = "=ybegin line=$linelen size=" . strlen($string) . " name=" . trim($fileName) . "\r\n" . $encoded;
        $encoded .= "\r\n=yend size=" . strlen($string);

        if ($crc32 === true)
            $encoded .= " crc32=" . strtolower(sprintf("%04X", crc32($string)));

        return $encoded . "\r\n";
    }
    return "error";
}