With the proliferation of IoT devices, the number of devices connected to the Internet has been rapidly increasing. An edge computing platform must flexible and efficient data control. Also, edge nodes are not always reliable. Edge node administrators can leak data through intentional mishandling. In this paper, we propose an edge computing platform on modular architecture that protects data and processing from interception and a processing flow based on data characteristics using Intel SGX and multi-authority attribute-based encryption. In addition, we report a performance evaluation of our method.