What do the various levels of encryption mean, and why use one over another? Dr Mike Pound takes us through the cryptic world of encryption levels.

  / computerphile  
  / computer_phile  

This video was filmed and edited by Sean Riley.

Computer Science at the University of Nottingham: https://bit.ly/nottscomputer

Computerphile is a sister project to Brady Haran's Numberphile. More at http://www.bradyharan.com