int val = Encdec.dec_uint32le(this.buf, this.index);
        advance(4);
        return val;
    }


    public void enc_ndr_hyper ( long h ) {
        align(8);
        Encdec.enc_uint64le(h, this.buf, this.index);
        advance(8);
    }


    public long dec_ndr_hyper () {
        align(8);
        long val = Encdec.dec_uint64le(this.buf, this.index);
        advance(8);

        align(4);
        int val = Encdec.dec_uint32le(buf, index);
        advance(4);
        return val;
    }
    public void enc_ndr_hyper(long h) {
        align(8);
        Encdec.enc_uint64le(h, buf, index);
        advance(8);
    }
    public long dec_ndr_hyper() {
        align(8);
        long val = Encdec.dec_uint64le(buf, index);
        advance(8);
        return val;
    }

        byte[] temp = new byte[28 + avPairsLength + 4];

        Encdec.enc_uint32le(0x00000101, temp, 0); // Header
        Encdec.enc_uint32le(0x00000000, temp, 4); // Reserved
        Encdec.enc_uint64le(nanos1601, temp, 8);
        System.arraycopy(clientChallenge, 0, temp, 16, 8);
        Encdec.enc_uint32le(0x00000000, temp, 24); // Unknown
        if ( avPairs != null )