CAST

Cast may denote either the encryption algorithm or the experimental Cern Axion Solar Telescope.

I.T.

An algorithm for 64 bit block encryption using a 64 bit key, six S boxes with 8 bit inputs and 32 bit outputs, developed in Canada by Carlisle Adams and Stafford Tavares.

Physics

Cast is the acronym of Cern Axion Solar Telescope. This is an experiment to detect a hypothetical particle called an axion.