128 Bit or 256 Bit Encryption? - Computerphile

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. https://www.facebook.com/computerphile https://twitter.com/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