here is secured online chat what can be runned in cmd 

![preview](preview.png)

how to run server on linux:

* chmod +x run_server.sh
* ./run_server.sh 2121 # or any other port 

how to run server on windows 10 / 11 in powershell

* python -m venv venv
* venv/scripts/Activate
* pip install -r reqs.txt 
* sanic server.app -H 0.0.0.0 -p <port>

how to run clear client

* python -m venv venv
* venv/scripts/Activate
* pip install -r reqs.txt 
* python client.py


crypting pipeline

* Client making priv key
* Server making symmetric key 
* Client sending public key to server
* Server crypting symmetric key and sending to client 
* Client encrypting private key 
* And than communicate with server via
* symmetric key

to do

* interface for choosing server in client 
* double password user verification
* white list