**This video was filmed before any social distancing guidelines came into effect**
EXTRA BITS: https://youtu.be/0abs6qfuLpg
Feistel Cipher Video: https://www.youtube.com/watch?v=FGhj3CGxl8I
Tweets by 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