if (len == 0) {
            return 0;
        }
        int tot = 0;

        while (true) {
            while (bip > 0) {
                n = in.read(b, off, Math.min(len, bip));
                if (n == -1) {
                    return tot > 0 ? tot : -1;
                }
                tot += n;
                off += n;
                len -= n;
                bip -= n;

                buf.setIndex(0);
                securityProvider.wrap(buf);
            }

            tot = buf.getLength() - 24;
            off = 0;

            while (off < tot) {
                n = tot - off;

                if (24 + n > max_xmit) {
                    msg.flags &= ~DCERPC_LAST_FRAG;
                    n = max_xmit - 24;
                } else {

     * @param out
     * @param buf
     * @param off
     * @param tot
     * @return
     * @throws IOException
     */
    private int sendFragments(final DcerpcMessage msg, final byte[] out, final NdrBuffer buf) throws IOException {
        int off = 0;
        final int tot = buf.getLength() - 24;
        while (off < tot) {
            int fragSize = tot - off;
            if (24 + fragSize > this.max_xmit) {

        },
        "catalan_keywords": {
          "type":       "keyword_marker",