https://github.com/akshayxml/end-to-end-encrypted-messenger

An end to end messaging system like WhatsApp.
https://github.com/akshayxml/end-to-end-encrypted-messenger

3des diffie-hellman encryption messenger peer-to-peer

Last synced: 3 months ago
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An end to end messaging system like WhatsApp.

• Host: GitHub
• URL: https://github.com/akshayxml/end-to-end-encrypted-messenger
• Owner: akshayxml
• Created: 2021-01-16T06:12:46.000Z (over 4 years ago)
• Default Branch: main
• Last Pushed: 2021-01-30T09:25:51.000Z (over 4 years ago)
• Last Synced: 2025-01-25T04:09:48.972Z (5 months ago)
• Topics: 3des, diffie-hellman, encryption, messenger, peer-to-peer
• Language: Python
• Homepage:
• Size: 28.3 KB
• Stars: 1
• Watchers: 2
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md

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README

        
# How to run

    pip3 install pycryptodome

    run server: ./server.py

    run client: ./client.py PORT

An end to end messaging system like WhatsApp with the below functional-ities:

- Multiclient chat application that has a server component and atleast 4 clients.

- The system supports the signup and sign in feature. [error message with wrong credentials].

- User can send message to other user [p2p message] [ SEND command] []

- Each user can join multiple chat rooms (groups) at a time.

- Each user can list all the groups.  [LIST Command] [show all group and number of participants ineach group]

- Each user can join a group [JOIN command]. If the group does not exist then the first create it thenjoins it.

- Each user can create a group [CREATE command].

- If one user sends a message to a group it should be sent to all members of that group.

- The message is encrypted using Tripple DES (3DES) and the key will be Diffie–Hellman key typeexchanged between clients.

- Each group has one key (random nonce).

- Message can be any type, for example, text, images, video, and audio.