This is a “Hazardous Materials” module. You should ONLY use it if you’re 100% absolutely sure that you know what you’re doing because this module is full of land mines, dragons, and dinosaurs with laser guns.
Getting a backend¶
cryptography was designed to support multiple cryptographic backends, but
consumers rarely need this flexibility. Starting with version 3.1
arguments are optional and the default backend will automatically be selected
if none is specified.
On older versions you can get the default backend by calling