}
        ret += "]";
        return ret;
    }

    public boolean isEstablished() {
        return isEstablished;
    }
    public byte[] getServerChallenge()
    {
        return serverChallenge;
    }
    public byte[] getSigningKey()
    {
        return signingKey;
    }
    public String getNetbiosName()
    {
        return netbiosName;
    }