GnuTLS

According to Wikipedia:

GnuTLS (the GNU Transport Layer Security Library) is a free software implementation of the TLS, SSL and DTLS protocols. It offers an application programming interface (API) for applications to enable secure communication over the network transport layer, as well as interfaces to access X.509, PKCS #12 and other structures.

Installation

Install the gnutls package.

For integration with the Apache HTTP Server install mod_gnutls.

Usage

See certtool(1) for the command used in the following sections and the info document for the API documentation.

Generate a private key

$ certtool --generate-privkey --outfile private_key

Generate a certificate signing request

$ certtool --generate-request --load-privkey private_key --outfile file

Generate a self-signed certificate

$ certtool --generate-self-signed --load-privkey private_key --outfile file

gollark: It's too cold and also has no nutritional value at all.

gollark: It's not hacking if you literally give someone else your login.

gollark: Anyway, yes, just don't share your password?

gollark: > I mean none of the accounts are based on my IP anyway... what?

gollark: Well, with Python AND SOME ACTUAL KNOWLEDGE, yes.