1. Make sure the following files are available in our working folder:

   • Key files for server:
     • Server Public Key
     • Server Private Key
     • ChatConf.conf
   • Key files for client:
     • Server Public Key
     • ChatConf.conf

2. Make sure pyDH is installed on both the machines
   To install pyDH, simply

pip install pyDH  

For details please refer:https://github.com/amiralis/pyDH

3. Creating username and passwords
   To register a new user run createPasswd.py present in server folder

python createPasswd <newusername> <password>

python chatServer.py

Initializes the server on port and ip mentioned in the config

python chatClient.py

Initializes the client and connect to server port and ip mentioned in the config

list
Gives the list of active users

send <username> <message>
Sends message to the username specified

logout
Logouts the client