A secure Go chat client-server end-to-end with RSA 2048 and AES 256 using WebSocket

Start the server for the clients that will connect, then when 2 or more clients are connected you can communicate each other.

When you start a conversation the AES key to encrypt the messages is passed between client, through the server, but the server can't decrypt the message, thanks to RSA property, becuase it doesn't own the private key of the receiver.

After that, every message sent by the 2 clients is end-to-end, and no one a part the two who exchanged the keys can decrypt the messages.

$ git clone https://github.com/0x5eba/GoChat.git
$ cd GoChat
$ ./init.sh

To start the server sudo ./chat s and you should see

INFO[0000] Starting server on port 3141

To start the server sudo ./chat c [name] for example sudo ./chat c carl

To send a message to another client use the command chat

For example if Pippo want to send a message to Pluto

>>> chat
To whom do you want to write?
   pippo
 ❯ pluto
> Hello Pluto

Then Pluto will receive

INFO[0001] [pippo] : Hello Pluto