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;
                }