Job two identity verification

Today the campus is full of express small brother, students also often help others to pick up Express, express small brother will not be very meticulous verification of identity, on the permit generation, there are many unsafe factors.

Design a mobile phone-based app for Express brother to verify identity, customers receive courier.        Specific authentication methods are not limited, simple.        Given: What parts of the app contain (can be illustrated), the function of each part, the way to imitate the notation of Kerberos, describe the interaction process, and add a description. This question is submitted 5 minutes before Monday (24 o'clock May 23).

Job two identity verification