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Asked: 2026-06-01T01:41:33+00:00

I’d like to write a basic socket chat app, except encrypted. Y’know all those

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I’d like to write a basic socket chat app, except encrypted. Y’know all those socket programming examples where you run a server and a client in the command line and it sends messages back and forth. Like that, except with good encryption.

Diffie-Hellman key exchange, none of that certificate authority crap, and maybe some ECDSA once the connection is established.

GnuTLS supports all those, but piecing together bits of documentation is a lot more confusing than seeing something already work.

PS: Language doesn’t matter, after digging for weeks on The Google and not finding anything but pieces of documentation, I really don’t care. It just needs to be some code that works.

Thanks!

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1 Answer

  1. Editorial Team

    Python has great GnuTLS support.

    If you use debian/ubuntu, all you need to do is apt-get install python-gnutls. In the documentation are examples for a basic encrypted client/server using twisted.

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