List<NetworkInterface> interfaces = Collections.list(NetworkInterface.getNetworkInterfaces());
            interfaces.removeIf(ni -> {
                try {
                    return ni.isLoopback() || !ni.isUp() || ni.isVirtual();
                } catch (Exception e) {
                    return true;
                }
            });
            return interfaces;
        } catch (Exception e) {

            while (interfaces.hasMoreElements()) {
                NetworkInterface ni = interfaces.nextElement();

                if (!ni.isUp() || ni.isLoopback() || ni.isVirtual()) {
                    continue;
                }

                Enumeration<InetAddress> addresses = ni.getInetAddresses();
                while (addresses.hasMoreElements()) {

            
            while (interfaces.hasMoreElements()) {
                NetworkInterface ni = interfaces.nextElement();
                
                if (!ni.isUp() || ni.isLoopback() || ni.isVirtual()) {
                    continue;
                }
                
                Enumeration<InetAddress> addresses = ni.getInetAddresses();

		return nil
	}
	return &c
}

// ReadCheckSums will read checksums from b and return them.
// Returns whether this is (part of) a multipart checksum.
func ReadCheckSums(b []byte, part int) (cs map[string]string, isMP bool) {
	res := make(map[string]string, 1)
	for len(b) > 0 {
		t, n := binary.Uvarint(b)
		if n < 0 {
			break
		}
		b = b[n:]

		typ := ChecksumType(t)
		length := typ.RawByteLen()

// if part > 0, and we have the checksum for the part that will be returned.
// Returns whether the checksum (main part 0) is a multipart checksum.
func (o *ObjectInfo) decryptChecksums(part int, h http.Header) (cs map[string]string, isMP bool) {
	data := o.Checksum
	if len(data) == 0 {
		return nil, false
	}
	if part > 0 && !crypto.SSEC.IsEncrypted(o.UserDefined) {
		// already decrypted in ToObjectInfo for multipart objects