rishabhjain10/secure-messaging-applicaion

Secure instant messaging application for python 2.7. The application handles multiple clients using multi-threading and provides security services like perfect forward secrecy, DoS protection at application level, confidentiality, integrity, availability, authenticity and also resilient to weak password attacks

secure-messaging-applicaion

Installation steps

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>

Usage: Server

python chatServer.py

Initializes the server on port and ip mentioned in the config

Usage: Client

python chatClient.py

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

Usage: Commands accepted on client

list
Gives the list of active users

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

logout
Logouts the client