How to Run Hush

Download Dependancies

Make sure you have the right python dependancies downloaded:

1. Flask
2. pycryptodome

Here is a guide on how to use PIP to download packages: https://packaging.python.org/en/latest/tutorials/installing-packages/

Input your own IP Address in the following files:

1. KDCServer.js Line 80
2. components/ChatLog.tsx Line 19, Line 52, Line 62
3. screens/HomeScreen.tsx Line 47,

Once you have the aforementioned dependancies downloaded run the following commands:

Starting the encryption and decryption server

cd ./Hush/FlaskApp

Run the server.py in the terminal

python server.py

Using NPM to download dependancies

npm install

Starting the emulator

npx expo start

Starting the KDC Server

node KDCServer.js

Scan the qr code displayed

Code Breakdown

Root Directory:

• App.js - handles page navigation, and renders LoginScreen at beginning of program
• KDCServer.js - our KDC manager, handles generating keys, refreshing DB, and updating communicating agents

Screens Directory:

• contains different views for our app
• LoginScreen.tsx : displays login screen, and handles login attempts
• HomeScreen.tsx: will list chats after user is logged in, contains code to handle single chat and group chat creation
• ChatLogScreen.tsx: after opening a chat from HomeScreen, will load chat history and be able to send messages

Components Directory:

• contains reusable components that are used to render chats,
• ChatLog.tsx: renders all messages and send message field
• ChatMessage.tsx: renders individual messages