}
    }

    // The future may complete while calculating the toString, so we check once more to see if the
    // future is done
    if (isDone()) {
      // Truncate anything that was appended before realizing this future is done
      builder.delete(truncateLength, builder.length());
      addDoneString(builder);
    }
  }

                setNetbiosName(ctx.getNetbiosName());
                byte[] sk = ctx.getSigningKey();
                if ( sk != null ) {
                    // session key is truncated to 16 bytes, right padded with 0 if shorter
                    byte[] key = new byte[16];
                    System.arraycopy(sk, 0, key, 0, Math.min(16, sk.length));
                    this.sessionKey = key;